CN202548040U - Automatic particle monitoring instrument - Google Patents
Automatic particle monitoring instrument Download PDFInfo
- Publication number
- CN202548040U CN202548040U CN2012200976903U CN201220097690U CN202548040U CN 202548040 U CN202548040 U CN 202548040U CN 2012200976903 U CN2012200976903 U CN 2012200976903U CN 201220097690 U CN201220097690 U CN 201220097690U CN 202548040 U CN202548040 U CN 202548040U
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- China
- Prior art keywords
- pipeline
- dirt appearance
- seat
- dirt
- dust sample
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Abstract
The utility model discloses an automatic particle monitoring instrument, which belongs to the technical field of atmosphere monitoring equipment and is used for monitoring the particle concentration in atmosphere. According to the technical scheme of the utility model, the automatic particle monitoring instrument consists of a dust sample separating part, a dust sample collecting part, a paper tape conveying part, a dust sample detection part and a constant-current part, wherein a cutter component of the dust sample separating part is in direct insertion hard connection with a sampling tube of the dust sample collecting part; a pipeline adapter connected to the lower end of the sampling tube is hermetically connected with a shell; the dust sample detection part is embedded into the dust sample collecting part; a glass fiber filer belt of the paper tape conveying part is inserted into a direct proportion counter of the dust sample detection part and a radiation source; a plurality of sensors of the constant-current part and a regulating valve are connected to a pipeline on the back part of an air outlet tube of the dust sampling collecting part; and the regulating valve is connected with an external pump. The instrument has the advantages of simple structure, long running period, convenience for maintaining, rapid and accurate monitored data, capability of transmitting and controlling in real time together with a central control station, freeness from reagents and pollution, and the like.
Description
Technical field
The utility model relates to a kind of Atmospheric particulates automated watch-keeping facility, refers in particular to the on-Line Monitor Device that a kind of ability on-line continuous is gathered the particle in the atmospheric environment and accurately measured particle concentration, belongs to surrounding air automated monitor technical field.
Technical background
Atmospheric particulates refer to the general name that is dispersed in the solid-state or liquid particles shape material in the atmosphere, and its particle size range is about the 0.1-100 micron.According to size, can be divided into the pellet PM that overall suspended pellet TSP (Total Suspended Particulate) that aerodynamic diameter is less than or equal to 100 μ m and aerodynamic diameter are less than or equal to 10 μ m
10(Particles with Diameters of 10 μ m or less).Pellet can be divided into fine particle PM again
2.5(aerodynamic diameter is less than or equal to 2.5 μ m) and corase particles (aerodynamic diameter is between 2.5 μ m to 10 μ m).
PM
10What in surrounding air, continue is chronic, of great impact to health and atmospheric visibility, after being sucked by the people, can be accumulated in the respiratory system, causes numerous disease.PM
2.5With respect to PM
10, be suspended in the air PM more easily for a long time
10Can get into people's nasal cavity and tracheae, and PM
2.5Except getting into lung, can also get into alveolar even blood.Cause lung and systemic inflammatorome, increase the risk of artery sclerosis, blood fat rising, cause cardiac arrhythmia, elevation of blood pressure etc.And PM
2.5Harm be multiple, it not only can form grey haze, reduces visibility, also can threaten health, ecologic environment, and carries through remote, causes regionality or global environmental problem, even influences climate change.
The main monitoring method of air particle has at present: gravimetric method, β radiation absorption method, vibration sedimentation balance method.Gravimetric method uses big traffic sampling device to measure particle concentration, and its shortcoming is that workload is big, automaticity is low, is not suitable for detecting at a distance, and needs continuous sampling more than 12 hours when getting annual average, can not reflect PM
10The short time situation of change of concentration can not reflect boisterous variations such as sandstorms in real time.The advantage that the vibration balance is sent out is that real-time is good, accuracy is high, detection limit is low; Shortcoming is that measuring system requires work under 50 ℃ of constant temperature, and the part volatile organic matter evaporates easily in the appearance gas, thereby the data of measuring are on the low side, and in addition, the rainy day bigger in humidity goes out negative value easily.The automonitor scope of application that the advantage of β radiation absorption method is to use is wider; Be widely used in the air quality automatic monitor for continuously at 24 hours; In the important place of heavy contamination or geographic position; The situation of change that can reflect particulate in air concentration effectively, air quality is assessed and government decision provides accurately, reliable data foundation for environmental administration carries out.Therefore, β radiation absorption method is the prefered method of particle detecting instrument, and China also classifies this method as standard method that particulate in air detects.But the apparatus structure that the method adopts is complicated, and it is convenient inadequately to use, and the failure rate of part instrument is higher, can not satisfy present industrial and agricultural production and the people's lives needs growing to environmental monitoring.
The utility model content
The utility model technical matters to be solved provides a kind of atmospheric environment TSP or PM of being used for
10Or PM
2.5The particle automatic monitor of simple in structure, easy to use, the stable performance of accurately measuring Deng particle concentration.
The technical scheme that solves the problems of the technologies described above is:
A kind of particle automonitor, it partly is made up of housing, dirt appearance separating part, dirt appearance collection part, paper tape translator unit, dirt appearance test section, constant current.Dirt appearance separating part is installed in outside; The cutter component of dirt appearance separating part is connected the direct insertion hard connecting mode connection of employing with the sampling pipe that dirt appearance is collected part; The pipeline adapter that dirt appearance is collected the sampling pipe lower end connection of part is connected with housing seal; Dirt appearance test section is embedded in the inside that dirt appearance is collected part; The spun glass strainer of paper tape translator unit is through between the direct proportion counter and radioactive source of dirt appearance test section, and a plurality of sensors of constant current part and variable valve are connected dirt appearance and collect on the pipeline at escape pipe rear portion partly, and variable valve is connected with external pump through pipeline.
Above-mentioned particle automonitor, said dirt appearance separating part is made up of the cutter that separates different-grain diameter, is respectively TSP, PM
2.5And PM
10Three kinds of cutters, the lower end of cutter is connected with the sampling pipe that dirt appearance is collected part.
Above-mentioned particle automonitor; Said dirt appearance collect part by sampling pipe, adopt pipe heating jacket, pipeline adapter, escape pipe, draft tube, go up the air flue seat, the downtake seat is formed, sampling pipe, adopt manage heating jacket, pipeline adapter is installed in outside the housing, they connect successively; Draft tube one end is connected with pipeline adapter; The other end is connected with last air flue seat, and dirt appearance test section is installed between air flue seat and the downtake seat, and the downtake seat is connected with escape pipe.
Above-mentioned particle automonitor; Said dirt appearance test section is made up of direct proportion counter and radioactive source, and proportional counter is embedded in the inner first half of air flue seat, and radioactive source is installed in the inside of downtake seat; Direct proportion counter and radioactive source are relative up and down, and radioactive source adopts
14C (carbon 14) source.
Above-mentioned particle automonitor; Said paper tape translator unit is made up of the take-up pulley drive motor on the installation base plate, take-up pulley, feed wheel, friction engaged wheel, spun glass strainer, cam lever assembly; The take-up pulley drive motor is connected with take-up pulley; The two ends of spun glass strainer are wrapped in respectively on take-up pulley and the feed wheel; The middle part of spun glass strainer is through between the direct proportion counter and radioactive source of dirt appearance test section, and the cam lever assembly is pressed on the upper surface of spun glass strainer.
Above-mentioned particle automonitor; Said constant current part is made up of accurate filter, mass flow sensor, pressure transducer, temperature sensor, humidity sensor and variable valve, external pump and relevant pipeline; The escape pipe of downtake seat is connected with accurate filter through pipeline; Pressure transducer, temperature sensor, humidity sensor are installed on this pipeline; Accurate filter is connected with variable valve through pipeline again, and mass flow sensor is installed in this pipeline, and variable valve is connected with external pump.
The usefulness of the utility model is:
This particle automatic monitor can be accomplished open-air unattended Atmospheric particulates and monitor task automatically, can realize TSP, PM
10And PM
2.5Deng the accurate measurement of particle concentration, realize continuous, online, real-time, automatic monitoring.The utlity model has simple in structure, the cycle of operation long, easy to maintenance, Monitoring Data quick and precisely, the remarkable advantage that can carry out real-time Transmission and control with console for centralized control.The utility model filled up the particle automatic monitor continuous, online, real-time, automatic, accurately measure TSP, PM
10And PM
2.5Deng the blank of particle concentration, high economic benefit and social benefit are arranged.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the front elevation of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is that dirt appearance separating part and dirt appearance are collected the part-structure synoptic diagram;
Fig. 5 is the structural representation of dirt appearance test section;
Fig. 6 is the structural representation of paper tape translator unit;
Fig. 7 is the structural representation of constant current part;
Fig. 8 is monitoring air-flow traffic direction figure;
Fig. 9 is the vertical view of Fig. 8.
Label is following among the figure:
Friction engaged wheel 30, spun glass strainer 31, feed wheel 32, take-up pulley 33, cam 34, pressure arm 35, pressure arm axle 36, short pressure arm 37, substrate 38;
Embodiment
The utility model by housing, in order to the dirt appearance separating part of divided gas flow particle, in order to collect the dirt appearance of separating granular collect part, in order to the assurance system continuously operation the paper tape translator unit, in order to the dirt appearance test section of confirming to gather particle quality and concentration, partly form in order to the constant constant current of control system inlet flow rate.
Show among the figure that dirt appearance separating part is made up of the cutter 10 that separates different-grain diameter, is respectively TSP, PM
2.5And PM
10Three kinds of cutters, the lower end of cutter 10 adopts direct insertion hard connecting mode to be connected with the sampling pipe 20 that dirt appearance is collected part, with the doulble O ring seal that is embedded in the cutter groove in base, prevents gas leakage.
Show among the figure, dirt appearance collect part by sampling pipe 20, adopt pipe heating jacket 21, pipeline adapter 22, escape pipe 23, draft tube 24, go up air flue seat 25, downtake seat 26 is formed.Sampling pipe 20, employing pipe heating jacket 21, pipeline adapter 22 are installed in outside the housing, and sampling pipe heating jacket 21 is contained in sampling pipe 20 bottoms, instrument inlet upper end.Identical doulble O ring seal is also adopted with pipeline adapter 22 in sampling pipe 20 lower ends, prevents gas leakage.Draft tube 24 1 ends are connected with pipeline adapter 22, and the other end is connected with last air flue seat 25, and downtake seat 26 is connected with escape pipe 23.
Show among the figure; Dirt appearance test section is installed between air flue seat 25 and the downtake seat 26; Dirt appearance test section is made up of direct proportion counter 40 and radioactive source 42, and proportional counter 40 is embedded in the first half of air flue seat 25 inside, and two parts are separated by as thin as a wafer high hyaline membrane and last air flue supporting network up and down; Through the flat seal of the bonding realization of bonding agent to pipeline and last air flue seat inside; Radioactive source 42 is installed in the inside of downtake seat 26, and direct proportion counter 40 is relative up and down with radioactive source 42, and radioactive source adopts
14C (carbon 14) source.
In sampling and measuring process, keep glass fiber filter paper band 31 to be in static and sealing state, in a measuring period, only measuring 31 motions of beginning front glass fiber filter paper band once.After dirt appearance was gathered end, concentration detection and computing were carried out to the particle of collecting in dirt appearance test section, obtained this moment and corresponding Atmospheric particulates mean intensity value of dirt appearance piece-rate system particle diameter.Accomplish the monitoring back and new glass fiber filter paper band 31 is provided, and used glass fiber filter paper band 31 collected prepare to carry out the measurement of next measuring period by the paper tape transfer system.
Show among the figure; The paper tape translator unit is made up of the take-up pulley drive motor on the installation base plate 38, take-up pulley 33, feed wheel 32, friction engaged wheel 30, spun glass strainer 31, cam lever assembly; The take-up pulley drive motor is connected with take-up pulley 33; The two ends of spun glass strainer 31 are wrapped in respectively on take-up pulley 33 and the feed wheel 32; The middle part of spun glass strainer 31 is through between the direct proportion counter 40 and radioactive source 42 of dirt appearance test section, and the cam lever assembly is pressed on the upper surface of spun glass strainer 31.Spun glass strainer 31 realizes that the EPDM O-ring seal is realized the flat seal between supporting network seat board 46 and the downtake seat 26 to the flat seal between supporting network seat board 46 and the last air flue seat 25.Spun glass strainer 31 untapped and used each in a side.Sample gas is filtered by the spun glass strainer between last air flue seat 25 and the supporting network seat board 46 31, and the spun glass strainer 31 that the particle that need measure is compressed on the supporting network seat board 46 is held back.Gas after the filtration gets into downtake seat 26 inside, and links together through escape pipe 23 and the accurate filter 50 of PU pipe with the constant current part.
Show among the figure that the effect of constant current part is through lasting, the constant extraction atmospheric sample of the control system control instrument porch flow of instrument, under the effect of external pump and constant current part, keeping instrument porch flow is 16.7L/m
3The time.Constant current is partly through measuring real-time mark condition flow, and sample temperature and sampling atmospheric value draw the difference of actual flow and demand volume through computing, reach demand volume by driven by motor centering type variable valve.The escape pipe of downtake seat 26 is connected with accurate filter 50 through pipeline; Pressure transducer 56, temperature sensor 55, humidity sensor 57 are installed on this pipeline; Accurate filter 50 is connected with variable valve 52 through pipeline again; Mass flow sensor 51 is installed in this pipeline, and variable valve 52 is connected with external pump 54.It is to prevent to cause sensor failure because thereby operating mistake or spun glass strainer 31 disappearances cause the bulky grain thing to get into mass flow sensor 51 that the gas of output is installed the purpose of accurate filter 50, and then causes whole system to lose efficacy.Accurate filter 50 is a Redundancy Design; Purpose is to change the influence to mass flow sensor 51 and systematic survey in order to reduce extraneous factor; The filtering accuracy of accurate filter 50 is lower than the filtering accuracy of spun glass strainer 31, but the particle that can pass through spun glass strainer 31 can not exert an influence to mass flow sensor 51 and measuring system.After accomplishing filtration, gas directly is connected with the systematic sampling pump through mass flow sensor 51 back entering variable valve 52 discharges instrument with gas.
Claims (6)
1. particle automatic monitor; It is characterized in that: it partly is made up of housing, dirt appearance separating part, dirt appearance collection part, paper tape translator unit, dirt appearance test section, constant current; Dirt appearance separating part is installed in outside; The cutter component of dirt appearance separating part is connected the direct insertion hard connecting mode connection of employing with the sampling pipe (20) that dirt appearance is collected part; The pipeline adapter (22) that dirt appearance is collected sampling pipe (20) the lower end connection of part is connected with housing seal; Dirt appearance test section is embedded in the inside that dirt appearance is collected part; The spun glass strainer (31) of paper tape translator unit is through between the direct proportion counter (40) and radioactive source (42) of dirt appearance test section, and a plurality of sensors of constant current part and variable valve (52) are connected dirt appearance and collect on the pipeline at escape pipe (23) rear portion partly, and variable valve (52) is connected with external pump (54) through pipeline.
2. particle automatic monitor according to claim 1 is characterized in that: said dirt appearance separating part is made up of the cutter (10) that separates different-grain diameter, is respectively TSP, PM
2.5And PM
10Three kinds of cutters, the lower end of cutter (10) is connected with the sampling pipe (20) that dirt appearance is collected part.
3. particle automatic monitor according to claim 1 and 2; It is characterized in that: said dirt appearance collect part by sampling pipe (20), adopt pipe heating jacket (21), pipeline adapter (22), escape pipe (23), draft tube (24), go up air flue seat (25), downtake seat (26) is formed; Sampling pipe (20), employing pipe heating jacket (21), pipeline adapter (22) are installed in outside the housing; They connect successively; Draft tube (24) one ends are connected with pipeline adapter (22); The other end is connected with last air flue seat (25), and dirt appearance test section is installed between air flue seat (25) and the downtake seat (26), and downtake seat (26) is connected with escape pipe (23).
4. particle automatic monitor according to claim 3; It is characterized in that: said dirt appearance test section is made up of direct proportion counter (40) and radioactive source (42); Proportional counter (40) is embedded in the inner first half of air flue seat (25); Radioactive source (42) is installed in the inside of downtake seat (26), and direct proportion counter (40) is relative up and down with radioactive source (42), and radioactive source (42) adopts 14C (carbon 14) source.
5. particle automatic monitor according to claim 4; It is characterized in that: said paper tape translator unit is made up of the take-up pulley drive motor on the installation base plate (38), take-up pulley (33), feed wheel (32), friction engaged wheel (30), spun glass strainer (31), cam lever assembly; The take-up pulley drive motor is connected with take-up pulley (33); The two ends of spun glass strainer (31) are wrapped in respectively on take-up pulley (33) and the feed wheel (32); The middle part of spun glass strainer (31) is through between the direct proportion counter (40) and radioactive source (42) of dirt appearance test section, and the cam lever assembly is pressed on the upper surface of spun glass strainer (31).
6. particle automatic monitor according to claim 5; It is characterized in that: said constant current part is made up of accurate filter (50), mass flow sensor (51), pressure transducer (56), temperature sensor (55), humidity sensor (57) and variable valve (52), external pump (54) and relevant pipeline; The escape pipe (23) of downtake seat (26) is connected with accurate filter (50) through pipeline; Pressure transducer (56), temperature sensor (55), humidity sensor (57) are installed on this pipeline; Accurate filter (50) is connected with variable valve (52) through pipeline again; Mass flow sensor (51) is installed in this pipeline, and variable valve (52) is connected with external pump (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200976903U CN202548040U (en) | 2011-12-14 | 2012-03-15 | Automatic particle monitoring instrument |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120522452 | 2011-12-14 | ||
| CN201120522452.8 | 2011-12-14 | ||
| CN2012200976903U CN202548040U (en) | 2011-12-14 | 2012-03-15 | Automatic particle monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548040U true CN202548040U (en) | 2012-11-21 |
Family
ID=47168658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200976903U Expired - Lifetime CN202548040U (en) | 2011-12-14 | 2012-03-15 | Automatic particle monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548040U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335924A (en) * | 2012-12-10 | 2013-10-02 | 江苏天瑞仪器股份有限公司 | Atmospheric heavy-metal on-line analyzer |
| CN104020089A (en) * | 2014-06-05 | 2014-09-03 | 山东省计量科学研究院 | Method for calibrating PM2.5 (Particulate Matter2.5) monitor |
| CN104330342A (en) * | 2014-11-05 | 2015-02-04 | 青岛众瑞智能仪器有限公司 | Combined portable PM2.5 sampling analysis device |
| CN105651660A (en) * | 2016-02-23 | 2016-06-08 | 中煤科工集团重庆研究院有限公司 | Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument |
| CN107271339A (en) * | 2017-06-29 | 2017-10-20 | 苏州浪声科学仪器有限公司 | Fine grained on-line analysis device |
| CN107402172A (en) * | 2017-07-27 | 2017-11-28 | 中绿环保科技股份有限公司 | Automatic filter membrane clamping device in PM2.5 particle monitoring instruments |
| CN108152181A (en) * | 2018-03-20 | 2018-06-12 | 青岛众瑞智能仪器有限公司 | A kind of paper advance mechanism integral movable type double-station particle monitoring device |
-
2012
- 2012-03-15 CN CN2012200976903U patent/CN202548040U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335924A (en) * | 2012-12-10 | 2013-10-02 | 江苏天瑞仪器股份有限公司 | Atmospheric heavy-metal on-line analyzer |
| CN104020089A (en) * | 2014-06-05 | 2014-09-03 | 山东省计量科学研究院 | Method for calibrating PM2.5 (Particulate Matter2.5) monitor |
| CN104330342A (en) * | 2014-11-05 | 2015-02-04 | 青岛众瑞智能仪器有限公司 | Combined portable PM2.5 sampling analysis device |
| CN105651660A (en) * | 2016-02-23 | 2016-06-08 | 中煤科工集团重庆研究院有限公司 | Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument |
| CN107271339A (en) * | 2017-06-29 | 2017-10-20 | 苏州浪声科学仪器有限公司 | Fine grained on-line analysis device |
| CN107402172A (en) * | 2017-07-27 | 2017-11-28 | 中绿环保科技股份有限公司 | Automatic filter membrane clamping device in PM2.5 particle monitoring instruments |
| CN108152181A (en) * | 2018-03-20 | 2018-06-12 | 青岛众瑞智能仪器有限公司 | A kind of paper advance mechanism integral movable type double-station particle monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SICHUAN XIANHE ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LTD. Assignor: Hebei Sailhero Environmental Protection Hi-tech Co., Ltd. Contract record no.: 2014510000059 Denomination of utility model: Automatic particle monitor Granted publication date: 20121121 License type: Exclusive License Record date: 20140605 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |