CN110146350A - It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter - Google Patents
It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter Download PDFInfo
- Publication number
- CN110146350A CN110146350A CN201910557386.9A CN201910557386A CN110146350A CN 110146350 A CN110146350 A CN 110146350A CN 201910557386 A CN201910557386 A CN 201910557386A CN 110146350 A CN110146350 A CN 110146350A
- Authority
- CN
- China
- Prior art keywords
- particulate matter
- sampling
- filter
- condensable
- temperature
- 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
Links
- 239000013618 particulate matter Substances 0.000 title claims abstract description 141
- 238000005070 sampling Methods 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims description 60
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 5
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical group [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 7
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- 239000002274 desiccant Substances 0.000 description 3
- 230000003189 isokinetic effect Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 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
- G01N1/02—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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2211—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with cyclones
-
- 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
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
It is disclosed by the invention a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter, belong to environmental monitoring technology field.Including sequentially connected sampling mouth, sampling gun, it may filter that particle matter collection device, condensable particulate matter constant temperature sampling pipe, collection sample bottle, drier, flow monitoring and controller and aspiration pump；Can accurately and efficiently acquire in sample gas may filter that particulate matter and condensable particulate matter, and whole system whole process is maintained at preset temperature, guarantee condensable particulate matter form consistency, while preventing condensable particulate matter adsorption loss caused by the reasons such as moisture condensation.Apparatus structure design is reasonable, multiple functional, and each spot temperature of system is controllable, meets the sampling needs of various occasions, and flexibly and easily, sampling efficiency is high, has filled up the blank that may filter that particulate matter and condensable particulate matter acquisition monitoring aspect.
Description
Technical field
The invention belongs to environmental monitoring technology fields, and in particular to one kind is for may filter that particulate matter and condensable particulate matter
Sampling system and method.
Background technique
The granular material discharged of stationary source causes tremendous influence to environment, wherein particulate matter include may filter that particulate matter and
Condensable particulate matter.It may filter that one of the important component for becoming air PM2.5 after particulate matter is discharged into atmosphere.Condensable particle
Object exists usually in the form of nucleus of condensation, and aerodynamic diameter belongs to fine particle less than 1 micron, and chemical component includes
Soluble salt, volatile organic matter, sulfur trioxide, heavy metal etc..Condensable particulate matter exists before being discharged into atmosphere in gaseous state, after discharge
Condense into primary particulate.These particulate matters directly threaten the health of the mankind, and people are badly in need of research stationary source
The concentration and composition that grain object discharges pollutants.
There are some difficult points for the sampling that may filter that particulate matter and condensable particulate matter of stationary source.
1. range of temperature is wide at fixed-contamination source sampling, general sampling site temperature is differed from 50 DEG C -150 DEG C, cigarette
Temperature spend it is low be easy to cause condensable particulate matter premature set, the sample representativeness of acquisition is poor；Flue-gas temperature is excessively high to be easy to lead
Condensable particulate matter metamorphosis is caused, sampling error is caused；2. flue dust can adsorb can under the high environment of stationary source dustiness
Particulate matter is condensed, serious to block sample detecting system, it is more difficult that high dirt environment acquires representational condensable particulate matter；3.
Current online particle monitoring system feeds back total particulate concentration value according to the variation of transmission optical absorbance, does not distinguish particle
The type of object.And easily there is deviation in practical applications in online particle monitoring system instrument emitted luminescence intensity, so as to cause
The misalignment of the particle concentration data of monitoring；4. condensable particulate matter component is complicated, property is unstable, is easy in conjunction with flue dust,
It is temperature sensitive；5. may filter that particulate matter can adsorb condensable particulate matter, samples measurements is caused deviation occur, may filter that
Grain object and condensable particulate separation are difficult.
Currently, there are no reliable for may filter that the prison of particulate matter and condensable particulate matter in stationary source in the world
Survey sample devices.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide one kind for may filter that particulate matter and condensable particle
The sampling system and method for object, apparatus structure design is reasonable, multiple functional, and each spot temperature of system is controllable, meets various fields
The sampling of conjunction needs, and flexibly and easily, has filled up the blank that may filter that particulate matter and condensable particulate matter acquisition monitoring aspect.
The present invention is to be achieved through the following technical solutions:
The invention discloses a kind of for may filter that the sampling system of particulate matter and condensable particulate matter, including is sequentially connected
Sampling mouth, sampling gun, may filter that particle matter collection device, condensable particulate matter constant temperature sampling pipe, collection sample bottle, drier, stream
Amount monitoring and controller and aspiration pump；
Pitot tube is fixed on sampling gun, sampling gun is coated with heat tracing set；Pitot tube is connected with tachymeter, tachymeter and stream
Amount monitoring and controller connection；Condensable particulate matter constant temperature sampling pipe includes the helical pipe of shell and interior of shell, helix tube
The entrance in road is connect with may filter that particle matter collection device, and the outlet of helical pipe is connect with collection sample bottle, and cage connection has temperature
Control device, temperature control equipment keep condensable by the medium circulation between condensable particulate matter constant temperature sampling pipe
Grain object constant temperature sampling pipe internal temperature is constant；It may filter that particle matter collection device is arranged in incubator.
Preferably, it may filter that particle matter collection device includes cyclone separator and fine grained filter, fine grained filter
It is connect with Cyclone outlet, cyclone separator lower part is equipped with ash bucket.
Preferably, heating device and second temperature probe are equipped with inside incubator, heat preservation box outer wall is equipped with heat-barrier material.
Preferably, temperature control equipment includes temperature controller, heater, refrigerator, mixer and third temp probe；Third
Temp probe is located in the shell of condensable particulate matter constant temperature sampling pipe, and third temp probe is connect with temperature controller, temperature controller with
Heater is connected with refrigerator, and temperature control equipment is connected by the shell of circulation line and condensable particulate matter constant temperature sampling pipe
It connects, circulation line is equipped with circulating pump.
Preferably, condensable particulate matter constant temperature sampling pipe outer wall is equipped with heat-barrier material, the sampling of condensable particulate matter constant temperature
Medium in shell journey is opposite with the sample gas flow direction in tube side.
Preferably, sampling gun includes quartzy thief rod, and heat tracing set is coated on quartzy thief rod, and heat tracing set is equipped with first
Temp probe, heat tracing set are nickel chromium triangle grid lines heat tracing set.
Preferably, it samples between mouth and sampling gun and is connected by cutting ferrule, cutting ferrule is Teflon cutting ferrule or special graphite cutting ferrule.
Preferably, the caliber of helical pipe is gradually reduced from the inlet to the outlet in condensable particulate matter constant temperature sampling pipe.
Preferably, flow monitoring and controller include control device and the temperature-detecting device being connect with control device,
Pressure-detecting device, flow monitor, flow detector and flow control valve, control device are connect with tachymeter；Flow
Detection device includes instantaneous flowmeter and flow quantity recorder.
The invention also discloses can using the above-mentioned sampling system progress for may filter that particulate matter and condensable particulate matter
The method of filtration of particulate matters and condensable particle sampling, comprising: the air-tightness for checking system is led to according to actual samples demand
Crossing heat tracing set, incubator and temperature control equipment respectively makes sampling gun, may filter that particle matter collection device and condensable particulate matter
Constant temperature sampling pipe maintains preset steady temperature；Sampling mouth is placed at destination sample gas, Pitot tube will sample at mouth
Pressure drop feeds back to tachymeter, and the flow velocity being calculated is sent to flow monitoring and controller by tachymeter, flow monitoring and
Controller guarantees isokinetic sampling by adjusting flow；
Destination sample gas by may filter that particle matter collection device isolate may filter that particulate matter after enter condensable
Grain object constant temperature sampling pipe, after helical pipe, condensable particulate matter is precipitated, and continues flow through collection sample bottle, drier, flow monitoring
And discharge system after controller and aspiration pump；Continuous sampling destination sample gas 2Nm3After above, system is closed；Using deionization
Water rinses helical pipe, and condensable particulate matter constant temperature sampling pipe enters collection sample bottle, meanwhile, collection may filter that particle matter collection device
That isolates may filter that particulate matter, complete the sampling that may filter that particulate matter and condensable particulate matter.
Compared with prior art, the invention has the following beneficial technical effects:
It is disclosed by the invention a kind of for may filter that the sampling system of particulate matter and condensable particulate matter, sampling gun whole process companion
Heat can effectively prevent the adsorption loss of condensable particulate matter in sampling process；Incubator keeps high temperature, can make to may filter that
The conversion of condensable particulate matter form in grain matter collection device guarantees to may filter that the sampling of particulate matter and condensable particulate matter represents
Property is good；Tachymeter measures flow velocity according to Pitot tube pressure difference, flow controller flow adjusted according to flow velocity, it can be achieved that isokinetic sampling and
Setting speed sampling；Temperature control equipment guarantees that the accurate stable of condensable particulate matter in condensable particulate matter constant temperature sampling pipe is adopted
Collection；Helical pipe in condensable particulate matter constant temperature sampling pipe can make the condensable particulate matter in destination sample gas used
Property and centrifugal force effect is lower is precipitated, effectively prevent condensable particulate matter to escape.Apparatus structure design is reasonable, multiple functional, is
Each spot temperature of uniting is controllable, meets the sampling needs of various occasions, and flexibly and easily, sampling efficiency is high, has filled up and may filter that particle
The blank of object and condensable particulate matter acquisition monitoring aspect.
Further, it may filter that particle matter collection device is removed using the two-stage that cyclone separator and fine grained filter combine
Dirt mode can be realized the depth dedusting of destination sample gas, so that particulate matter realizes two to may filter that in destination sample gas
Grade separation removal, removal effect are good.
Further, the temperature in incubator can be monitored in real time by second temperature probe, while utilizing heating device
It is able to carry out real-time control, heat-barrier material avoids heat loss in incubator, and avoiding may filter that in particle matter collection device
The conversion of condensable particulate matter form, influences sampled data.
Further, the temperature in condensable particulate matter constant temperature sampling pipe can be monitored in real time by third temp probe,
By temperature value real-time delivery to temperature controller, temperature adjustment is carried out to medium by heater and refrigerator, is made by mixer
The uniformity of temperature profile of medium acquires the accurate stable of condensable particulate matter.
Further, the medium in condensable particulate matter constant temperature sampling pipe shell side flows to phase with the sample gas in tube side
Instead, counterflow heat exchange improves heat transfer effect, and the heat-barrier material on outer wall avoids heat losses,
Further, the barral of a gun of sampling gun is prevented sample gas from reacting with sampling gun, is influenced to sample using quartzy thief rod
Data, and high temperature resistant, corrosion resistance and good；It is capable of the temperature of real-time monitoring sampling gun by first temperature probe, and carries out
It adjusts in real time, sampling gun whole process heat tracing is made to prevent the adsorption loss of condensable particulate matter in sampling process；Heat tracing set uses nickel chromium triangle
Grid lines heat tracing set, heat transfer efficiency are high.
Further, it samples between mouth and sampling gun and is connected by Teflon cutting ferrule or special graphite cutting ferrule, can be played
Good sealing effect, and it is high temperature resistant, corrosion-resistant.
Further, the caliber of helical pipe is gradually reduced from the inlet to the outlet in condensable particulate matter constant temperature sampling pipe,
The variable-diameter structure can be such that sample gas flow velocity gradually increases, and increase the precipitation effect of condensable particulate matter.
Further, the flow velocity for the sample gas that control device can be fed back according to tachymeter, controls flow control valve
Aperture controls flow, realizes constant speed measurement；The data such as temperature, pressure, flow velocity, the flow of sample gas can also be measured simultaneously.
Sampling system progress disclosed by the invention using above-mentioned for may filter that particulate matter and condensable particulate matter can mistake
The method for filtering particulate matter and condensable particle sampling, can accurately and efficiently acquire in sample gas may filter that particulate matter
With condensable particulate matter.And this method is easy to operate, can satisfy various occasions, is flexible and convenient.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
In figure: 1 is sampling mouth, and 2 be Pitot tube, and 3 be sampling gun, and 4 be tachymeter, and 5 be incubator, and 6 be cyclone separator,
7 be ash bucket, and 8 be fine grained filter, and 9 be condensable particulate matter constant temperature sampling pipe, and 10 be collection sample bottle, and 11 be drier, and 12 are
Flow monitoring and controller, 13 be aspiration pump, and 14 be temperature control equipment, and 15 be circulating pump, and 16 be temperature controller, and 17 be heating
Device, 18 be refrigerator, and 19 be mixer.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing, and content is explanation of the invention rather than limits
It is fixed:
It is of the invention a kind of for may filter that the sampling system of particulate matter and condensable particulate matter, including successively such as Fig. 1
The sampling mouth 1 of connection, sampling gun 3, may filter that particle matter collection device, condensable particulate matter constant temperature sampling pipe 9, collection sample bottle 10,
Drier 11, flow monitoring and controller 12 and aspiration pump 13；
It samples and is connected between mouth 1 and sampling gun 3 by cutting ferrule, cutting ferrule is Teflon cutting ferrule or special graphite cutting ferrule；Sampling
Pitot tube 2 is fixed on rifle 3, the barral of a gun of sampling gun 3 is using quartzy thief rod, and heat tracing set is coated on quartzy thief rod, heat tracing
Set is equipped with first temperature probe, the nickel chromium triangle grid lines companion that heat tracing set is heated for the nickel-chromium resistance wire using grid wire structure
Hot jacket.Pitot tube 2 is connected with tachymeter 4, and tachymeter 4 is connect with flow monitoring and controller 12.
9 outer wall of condensable particulate matter constant temperature sampling pipe is equipped with heat-barrier material, and condensable particulate matter constant temperature sampling pipe 9 includes
The helical pipe of shell and interior of shell, the entrance of helical pipe are connect with may filter that particle matter collection device, helical pipe
Outlet is connect with sample bottle 10 is collected, and cage connection has a temperature control equipment 14, temperature control equipment 14 by with condensable particulate matter
Medium circulation between constant temperature sampling pipe 9 keeps 9 internal temperatures of condensable particulate matter constant temperature sampling pipe constant.Condensable particle
Medium in 9 shell side of object constant temperature sampling pipe is opposite with the sample gas flow direction in tube side；And condensable particulate matter constant temperature samples
The caliber of helical pipe is gradually reduced from the inlet to the outlet in pipe 9.
Temperature control equipment 14 includes temperature controller 16, heater 17, refrigerator 18, mixer 19 and third temp probe；
Third temp probe is located in the shell of condensable particulate matter constant temperature sampling pipe 9, and third temp probe is connect with temperature controller 16, temperature
Control device 16 is connect with heater 17 and refrigerator 18, and temperature control equipment 14 is adopted by circulation line and condensable particulate matter constant temperature
The cage connection of sample pipe 9, circulation line are equipped with circulating pump 15.
It may filter that particle matter collection device includes incubator 5, cyclone separator 6 and the setting of fine grained filter 8 are being kept the temperature
In case 5, fine grained filter 8 and the outlet of cyclone separator 6 are connected, and 6 lower part of cyclone separator is equipped with ash bucket 7.Inside incubator 5
Equipped with heating device and second temperature probe, heating device can use adding thermal resistance or heating tube, 5 outer wall of incubator be equipped with every
Hot material, such as glass fibre, asbestos, rock wool, silicate.
Drier 11 is provided with desiccant, can remove the moisture in sample gas；Drier 11 can be made into more storehouses
Different types of desiccant is filled in formula, inside, improves water removal effect.At the end of sampling, also it can increase poidometer according to desiccant
Calculate smoke moisture value.
Flow monitoring and controller 12 include control device and the temperature-detecting device connecting with control device, pressure inspection
Device, flow monitor, flow detector and flow control valve, control device is surveyed to connect with tachymeter 4；Flow detection dress
It sets including instantaneous flowmeter and flow quantity recorder, instantaneous flowmeter can use photoelectric flowmeter, and flow quantity recorder can use
Epithelium flowmeter.
Halogen modified active carbon can also be set inside aspiration pump 13, adsorb the gas particles in remaining gas coming through
Object protects environmental and human health impacts.
It carries out may filter that particulate matter using the sampling system for may filter that particulate matter and condensable particulate matter of the invention
With the method for condensable particle sampling, comprising: the air-tightness for checking system by heat tracing set, is protected according to actual samples demand
Incubator 5 and temperature control equipment 14 make sampling gun 3 respectively, may filter that particle matter collection device and the sampling of condensable particulate matter constant temperature
Pipe 9 maintains preset steady temperature；Sampling mouth 1 is placed at destination sample gas, Pitot tube 2 will sample the pressure difference at mouth 1
For numeric feedback to tachymeter 4, the flow velocity being calculated is sent to flow monitoring and controller 12 by tachymeter 4, flow monitoring and
Controller 12 guarantees isokinetic sampling by adjusting flow；
Destination sample gas by may filter that particle matter collection device isolate may filter that particulate matter after enter condensable
Grain object constant temperature sampling pipe 9, after helical pipe, condensable particulate matter is precipitated, and continues flow through collection sample bottle 10, drier 11, stream
Discharge system after amount monitoring and controller 12 and aspiration pump 13；Continuous sampling destination sample gas volume reaches 2m under standard state3
After above, system is closed；Helical pipe is rinsed using deionized water, condensable particulate matter constant temperature sampling pipe 9 enters collection sample bottle 10,
Meanwhile the particulate matter that may filter that may filter that particle matter collection device isolates is collected, completion may filter that particulate matter and condensable
The sampling of grain object.
It is done below with reference to several functions of the embodiment to the sampling system for may filter that particulate matter and condensable particulate matter
It is further explained:
Embodiment 1
When sampling to the flue gas of stationary source discharge, the temperature at fixed-contamination source sampling is generally 50~150
DEG C, sampling gun 3 is made by heat tracing set and incubator 5 respectively and may filter that the temperature of particle matter collection device maintains 120 DEG C of left sides
It is right；Because the sulfur trioxide adiabatic condensation temperature of one of condensable particulate matter main component is 65 DEG C, being made by temperature control equipment 14 can
The temperature of condensation particulate matter constant temperature sampling pipe 9 maintains 65 DEG C or so, so that condensable particulate matter can be precipitated.
Embodiment 2
When being sampled to the air under room temperature, stops the heating of heat tracing set, incubator 5 and temperature control equipment 14, make
System maintains room temperature to be sampled.
Above-mentioned specific embodiment is done to spirit of that invention for example, although more has used sampling mouth 1, Pi Tuo
The terms such as pipe 2, sampling gun 3, tachymeter 4, but a possibility that be not precluded using other terms.It the use of these terms is only to be
Essence of the invention is easily described and explained, any additional limitation is construed as all and is and spirit of that invention
It disagrees.
The above, the only part in embodiment of the present invention, concrete operations can be altered according to field condition, must
It is understood that those skilled in the art can be designed various other improvement and embodiment, but in relation to the figure and claim institute
The change of the relevant apparatus position and its part stated should belong in protection scope of the present invention.
Claims (10)
1. a kind of for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that including sequentially connected
Sampling mouth (1), sampling gun (3) may filter that particle matter collection device, condensable particulate matter constant temperature sampling pipe (9), collection sample bottle
(10), drier (11), flow monitoring and controller (12) and aspiration pump (13)；
It is fixed on sampling gun (3) Pitot tube (2), sampling gun (3) is coated with heat tracing set；Pitot tube (2) is connected with tachymeter
(4), tachymeter (4) is connect with flow monitoring and controller (12)；Condensable particulate matter constant temperature sampling pipe (9) includes shell and outer
Helical pipe inside shell, the entrance of helical pipe are connect with may filter that particle matter collection device, the outlet of helical pipe and collection
Sample bottle (10) connection, cage connection have temperature control equipment (14), and temperature control equipment (14) passes through permanent with condensable particulate matter
Medium circulation between warm sampling pipe (9) keeps condensable particulate matter constant temperature sampling pipe (9) internal temperature constant；It may filter that
Grain matter collection device setting is in incubator (5).
2. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
It may filter that particle matter collection device includes cyclone separator (6) and fine grained filter (8), fine grained filter (8) and whirlwind
Separator (6) outlet connection, cyclone separator (6) lower part are equipped with ash bucket (7).
3. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
Heating device and second temperature probe are equipped with inside incubator (5), incubator (5) outer wall is equipped with heat-barrier material.
4. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
Temperature control equipment (14) includes that temperature controller (16), heater (17), refrigerator (18), mixer (19) and third temperature are visited
Head；Third temp probe is located in the shell of condensable particulate matter constant temperature sampling pipe (9), third temp probe and temperature controller (16)
Connection, temperature controller (16) are connect with heater (17) and refrigerator (18), and temperature control equipment (14) passes through circulation line and can
The cage connection of particulate matter constant temperature sampling pipe (9) is condensed, circulation line is equipped with circulating pump (15).
5. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
Condensable particulate matter constant temperature sampling pipe (9) outer wall is equipped with heat-barrier material, in condensable particulate matter constant temperature sampling pipe (9) shell side
Medium is opposite with the sample gas flow direction in tube side.
6. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
Sampling gun (3) includes quartzy thief rod, and heat tracing set is coated on quartzy thief rod, and heat tracing set is equipped with first temperature probe, companion
Hot jacket is nickel chromium triangle grid lines heat tracing set.
7. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
It samples and is connected between mouth (1) and sampling gun (3) by cutting ferrule, cutting ferrule is Teflon cutting ferrule or special graphite cutting ferrule.
8. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
The caliber of helical pipe is gradually reduced from the inlet to the outlet in condensable particulate matter constant temperature sampling pipe (9).
9. according to claim 1 for may filter that the sampling system of particulate matter and condensable particulate matter, which is characterized in that
Flow monitoring and controller (12) include control device and the temperature-detecting device connecting with control device, pressure detecting dress
It sets, flow monitor, flow detector and flow control valve, control device are connect with tachymeter (4)；Flow detector
Including instantaneous flowmeter and flow quantity recorder.
10. using described in claim 1~9 any one for may filter that the sampling system of particulate matter and condensable particulate matter into
The method that row may filter that particulate matter and condensable particle sampling characterized by comprising the air-tightness for checking system, according to
Actual samples demand makes sampling gun (3) by heat tracing set, incubator (5) and temperature control equipment (14) respectively, may filter that particle
Matter collection device and condensable particulate matter constant temperature sampling pipe (9) maintain preset steady temperature；Sampling mouth (1) is placed in target
At sample gas, Pitot tube (2) feeds back to the pressure drop sampled at mouth (1) tachymeter (4), and tachymeter (4) will calculate
Flow velocity out is sent to flow monitoring and controller (12), and flow monitoring and controller (12) guarantee that constant speed is adopted by adjusting flow
Sample；
Destination sample gas by may filter that particle matter collection device isolate may filter that particulate matter after enter condensable particulate matter
Constant temperature sampling pipe (9), after helical pipe, condensable particulate matter be precipitated, continue flow through collection sample bottle (10), drier (11),
Flow monitoring and controller (12) and aspiration pump (13) discharge system afterwards；Continuous sampling destination sample gas 2Nm3After above, close
Close system；Helical pipe is rinsed using deionized water, condensable particulate matter constant temperature sampling pipe (9) enters collection sample bottle (10), meanwhile,
The particulate matter that may filter that may filter that particle matter collection device isolates is collected, completes to may filter that particulate matter and condensable particulate matter
Sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557386.9A CN110146350A (en) | 2019-06-25 | 2019-06-25 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557386.9A CN110146350A (en) | 2019-06-25 | 2019-06-25 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110146350A true CN110146350A (en) | 2019-08-20 |
Family
ID=67596362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910557386.9A Pending CN110146350A (en) | 2019-06-25 | 2019-06-25 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110146350A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987542A (en) * | 2019-12-12 | 2020-04-10 | 南京信息工程大学 | Automatic measuring and collecting system for electronic cigarette smoke |
| CN111766182A (en) * | 2019-12-12 | 2020-10-13 | 中国环境科学研究院 | System and method for detecting particulate matter emission in engine tail gas |
| CN112461609A (en) * | 2020-11-20 | 2021-03-09 | 常熟市顺欣仪器仪表有限公司 | Cyclone separator for air sampler |
| CN112798361A (en) * | 2021-02-06 | 2021-05-14 | 中国环境科学研究院 | Sampling device for condensable particles in smoke of fixed pollution source |
| CN112798362A (en) * | 2021-02-06 | 2021-05-14 | 中国环境科学研究院 | SO in fixed pollution source flue gas3Synchronous sampling device with CPM |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259941A (en) * | 2011-06-16 | 2011-11-30 | 大连理工大学 | Vertical tube seawater spewing and boiling evaporator |
| CN202204158U (en) * | 2011-07-03 | 2012-04-25 | 徐爱武 | Condensed flue gas energy saver |
| CN103005637A (en) * | 2011-09-23 | 2013-04-03 | 常志伟 | Contraflow cooler |
| CN106855472A (en) * | 2017-03-08 | 2017-06-16 | 中国华能集团清洁能源技术研究院有限公司 | A kind of stationary source particulate Hg and gaseous mercury isokinetic sampling device and the method for sampling |
| CN206990280U (en) * | 2017-05-16 | 2018-02-09 | 上海创蓝检测技术有限公司 | Condensable particulate matter CPM sample devices |
| CN108871877A (en) * | 2018-04-03 | 2018-11-23 | 南京师范大学 | A kind of multistage temperature control acquisition condensable particulate matter device |
| CN210154881U (en) * | 2019-06-25 | 2020-03-17 | 中国华能集团清洁能源技术研究院有限公司 | Sampling system for filterable particles and condensable particles |
-
2019
- 2019-06-25 CN CN201910557386.9A patent/CN110146350A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259941A (en) * | 2011-06-16 | 2011-11-30 | 大连理工大学 | Vertical tube seawater spewing and boiling evaporator |
| CN202204158U (en) * | 2011-07-03 | 2012-04-25 | 徐爱武 | Condensed flue gas energy saver |
| CN103005637A (en) * | 2011-09-23 | 2013-04-03 | 常志伟 | Contraflow cooler |
| CN106855472A (en) * | 2017-03-08 | 2017-06-16 | 中国华能集团清洁能源技术研究院有限公司 | A kind of stationary source particulate Hg and gaseous mercury isokinetic sampling device and the method for sampling |
| CN206990280U (en) * | 2017-05-16 | 2018-02-09 | 上海创蓝检测技术有限公司 | Condensable particulate matter CPM sample devices |
| CN108871877A (en) * | 2018-04-03 | 2018-11-23 | 南京师范大学 | A kind of multistage temperature control acquisition condensable particulate matter device |
| CN210154881U (en) * | 2019-06-25 | 2020-03-17 | 中国华能集团清洁能源技术研究院有限公司 | Sampling system for filterable particles and condensable particles |
Non-Patent Citations (1)
| Title |
|---|
| 陈义亮: "《船用锅炉与汽轮机》", 30 June 1995, 大连海事大学出版社, pages: 238 - 239 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987542A (en) * | 2019-12-12 | 2020-04-10 | 南京信息工程大学 | Automatic measuring and collecting system for electronic cigarette smoke |
| CN111766182A (en) * | 2019-12-12 | 2020-10-13 | 中国环境科学研究院 | System and method for detecting particulate matter emission in engine tail gas |
| CN111766182B (en) * | 2019-12-12 | 2021-09-14 | 中国环境科学研究院 | System and method for detecting particulate matter emission in engine tail gas |
| CN112461609A (en) * | 2020-11-20 | 2021-03-09 | 常熟市顺欣仪器仪表有限公司 | Cyclone separator for air sampler |
| CN112798361A (en) * | 2021-02-06 | 2021-05-14 | 中国环境科学研究院 | Sampling device for condensable particles in smoke of fixed pollution source |
| CN112798362A (en) * | 2021-02-06 | 2021-05-14 | 中国环境科学研究院 | SO in fixed pollution source flue gas3Synchronous sampling device with CPM |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110146350A (en) | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter | |
| CN210154881U (en) | Sampling system for filterable particles and condensable particles | |
| CN106770951A (en) | Super low concentration smoke on-line monitoring system and analysis method | |
| CN207570856U (en) | A kind of Denitration in Boiler SCR device outlet flue grid sampling system | |
| CN103674625B (en) | Dual-Phrase Distribution of Gas olid sampler | |
| CN201935838U (en) | Aerosol sampling device applicable to high-temperature, high-pressure and high-humidity pipeline environment | |
| KR102179129B1 (en) | An apparatus for integrated measuring stationary sources of stack exhaust gas | |
| CN104075913A (en) | Dilution sampling device for PM2.5 discharged by stationary pollution source | |
| CN107843464A (en) | The SO of rotatory sealing multichannel3And H2SO4Sampling detector for multifunctional and method | |
| CN106855472A (en) | A kind of stationary source particulate Hg and gaseous mercury isokinetic sampling device and the method for sampling | |
| CN107621393A (en) | Sulfur trioxide sampling apparatus and its method of testing in a kind of flue gas | |
| CN106197517B (en) | A kind of Dual-Phrase Distribution of Gas olid simulating test device and relative concentration method of calibration | |
| WO2022083174A1 (en) | Online measurement system and method for hcl in flue gas | |
| CN206440581U (en) | The dust concentration monitoring device of high-humidity gas fume | |
| CN206038387U (en) | A multiple spot subregion sampling system for monitoring of multi -phase fluid medium composition | |
| CN106996883A (en) | Desulphurization for Coal-fired Power Plant equipment performance tests flue gas droplet sampling apparatus and the method for sampling | |
| CN202853655U (en) | Flue gas monitoring system | |
| CN113567203A (en) | Flue gas measuring device | |
| CN108414299A (en) | A kind of stationary source exhaust gas sampling apparatus and the method for sampling | |
| CN103472035A (en) | Instrument for measuring moisture absorption characteristic and body angle scattering coefficient of atmospheric aerosol | |
| CN110068526A (en) | A kind of particulate matter on-line dilution sampled measurements system and method | |
| CN106501034A (en) | A kind of device of the smoke sampling monitoring of high temperature with high dust | |
| CN206818487U (en) | A kind of Multifunctional tobacco bicycle pump automatic sampling system | |
| CN207741983U (en) | A kind of anti-blocking sampler of power plant stack gas system pressure | |
| CN106248436A (en) | Wholegrain footpath on-line period device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |