CN206990280U - Condensable particulate matter CPM sample devices - Google Patents
Condensable particulate matter CPM sample devices Download PDFInfo
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- CN206990280U CN206990280U CN201720540043.8U CN201720540043U CN206990280U CN 206990280 U CN206990280 U CN 206990280U CN 201720540043 U CN201720540043 U CN 201720540043U CN 206990280 U CN206990280 U CN 206990280U
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- cpm
- flue gas
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- 239000013618 particulate matter Substances 0.000 title claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000003546 flue gas Substances 0.000 claims abstract description 68
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 239000004065 semiconductor Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 235000019504 cigarettes Nutrition 0.000 description 7
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- 239000011236 particulate material Substances 0.000 description 5
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- Sampling And Sample Adjustment (AREA)
Abstract
Chemical industry environmental protection field is the utility model is related to, a kind of condensable particulate matter CPM sample devices is disclosed, includes sampling gun, FPM filters, condensing unit and absorber.Wherein sampling gun is used to gather tested flue gas；FPM filters are connected with sampling gun, and particulate matter is may filter that in the flue gas for filtering out sampling gun collection；Condensing unit is connected with FPM filters, is condensed for the CPM in the tested flue gas to filtering out FPM；Absorber is connected with condensing unit, for absorbing the CPM for the device condensation that is condensed.The CPM discharged in flue gas can be separated and be trapped by the CPM sample devices in the utility model.
Description
Technical field
Chemical industry environmental protection field is the utility model is related to, more particularly to a kind of condensable particulate matter CPM sample devices.
Background technology
Environmental Protection Agency (U.S.EPA) to condensable particulate matter (Condensable Particulate Matter,
CPM definition) is：It is gaseous state under the conditions of flue, but condenses when cooling and be diluted in air after smoke stack emission
And/or react and immediately become the material of solid-state or liquid particles thing.Such material exists generally in the form of nucleus of condensation, air
Kinetic diameter is less than 1 μm, and belonging to fine particle, (Fine Particulate Matter, FPM, EPA define air force
It is fine particle to learn particulate matter of the diameter less than 2.5 μm).
Its physical aspect of the main cause of influence of the condensable particulate matter to environment and chemical composition.From physical aspect,
Condensable particulate matter is mainly formed by gaseous material cohesion, and particle diameter is generally less than 1 μm, is present in environment sky in the form of an aerosol
In gas；Chemically seen on composition, each heavy metal species (such as As, Se, Pb, Cr) are generally enriched with these particles and PAHs is (polycyclic
Aromatic hydrocarbons) etc. pollutant, mostly carcinogen and genotoxicity mutagen matter, it is very harmful.For environment, condensable particulate matter energy
Significantly affect visibility, may be one of origin cause of formation of haze in view of its sensitiveness to temperature, due to its larger specific surface area and
Each heavy metal species are enriched with, also provide place for the reaction of numerous Atmospheric Chemistries, and play certain catalytic action.Condensable particulate matter
Harm to health has two aspects：First, harm caused by the chemical composition of condensable particulate matter complexity, is used as other
The carrier of pollutant, a variety of chemical constituents can be adsorbed and enter human body with breathing, and toxicant can be made to have higher reaction and molten
Speed is solved, and with the reduction of particle diameter, condensable particulate matter RT in an atmosphere and the absorptivity in respiratory system
It is consequently increased；Second, fine particle can be directly entered alveolar and be deposited in intrapulmonary, absorbed by cell, invade histocyte,
Form pneumoconiosis.
Now there are some researches show：First, China is at present for the test result (can filtration of particulate matters) of stationary source particulate matter
The true emission behaviour of stationary source can not be represented；Second, condensable particulate matter belongs to fine particle and in PM10 total emission volumn
Middle portion is larger, and with the reduction of particle size, its enrichment degree also gradually increases.
Thus, if it has been recognised by the inventors that do not considered to CPM emission problem, negative shadow will certainly be caused to environment
Ring, a kind of utility model can be current urgent problem to the equipment effectively trapped of the CPM in discharge flue gas.
Utility model content
The purpose of this utility model is to provide a kind of CPM sample devices so that the CPM in discharge flue gas can be divided
From, trap, so that follow-up analysis detects.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of CPM sample devices, comprising：One
Kind condensable particulate matter CPM sample devices, it is characterised in that include：
Sampling gun, for gathering tested flue gas；
Particulate matter FPM filters are may filter that, are connected with the sampling gun, for filtering out the cigarette of the sampling gun collection
Particulate matter is may filter that in gas；
Condensing unit, it is connected with the FPM filters, enters for the CPM in the tested flue gas to filtering out the FPM
Row condensation；
Absorber, it is connected with the condensing unit, for absorbing the CPM condensed by the condensing unit.
The utility model embodiment gathers tested flue gas in terms of existing technologies, by sampling gun, and utilizes FPM
Filter filters out in tested flue gas and may filter that particulate matter, because often flue-gas temperature can be higher, it is necessary to pass through condensation
The CPM that device will filter out FPM tested flue gas is condensed so that CPM is changed into the particulate material of solid-state or liquid, finally
The particulate material of these solid-states or liquid is sponged using absorber, can be increased according in flue gas sampling volume and absorber
Particulate matter weight, obtain the content of CPM in flue gas.Thus, can be by under the CPM separation in flue gas, trapping using the equipment
Come, so that follow-up analysis detects.
In addition, the sampling gun includes heat tracing element, heat tracing element can prevent the CPM in flue gas to be changed into solid-state or liquid to the cold
The particulate material of state, so that being filtered out or being adhered to by FPM filters on the sample lines inwall before condenser pipe, influence
The accuracy of measurement.
In addition, the condensing unit includes：
Condenser pipe, it is connected with the FPM filters；
Tank, it is connected with the condenser pipe and heat exchange is carried out to the condenser pipe；
Circulating pump, it is connected with the tank, for being circulated to the condenser pipe and the water in the tank.
Low-temperature receiver of the water as condenser pipe in tank, is constantly exchanged heat with flue gas, makes the CPM in flue gas by completely cold
It is solidifying.
In addition, the condensing unit also includes：Compressor, it is connected with tank, for the water system in the tank
It is cold.When the coolant-temperature gage in tank is too high so that when heat transfer effect is undesirable, the water in tank can be carried out using compressor strong
System refrigeration, reduces the water temperature in tank, improving heat exchanging efficiency.
In addition, the condenser pipe includes：
Inner core tube, it is connected with the FPM filters, the tested flue gas of the FPM is fallen for delivery of filtered, and it is described interior
Core pipe is spiral shape.
Outer tube, accommodate the inner core tube, be connected respectively with the circulating pump and the tank, with the circulating pump with it is described
Tank forms peripheral passage.
The inner core tube of condenser pipe is spiral shape, as serpentine condenser, and flue gas is spiral shape gas when flowing through serpentine condenser
Stream, condensation it is better.
In addition, the condensing unit also includes：Semiconductor cooling device, it is connected with the circulating pump, for the water
Water in groove is freezed.
Semiconductor cooling device small volume, improves the portable performance of CPM collecting devices, and reduces cost.
In addition, the absorber includes：
First order absorption bottle, it is connected with the condensing unit, for absorbing the CPM of the tested flue gas partial condensation；
Two level absorption bottle, it is connected with the first order absorption bottle, for further absorbing what is condensed in the tested flue gas
CPM。
After CPM in flue gas is condensed into solid-state and liquid particles shape material, due to the effect of power, it can not continue to follow cigarette
Flow of air is collected by first order absorption bottle and two level absorption bottle by first order absorption bottle and two level absorption bottle.
In addition, absorber also includes CPM filter elements, it is connected with the two level absorption bottle, after two level absorption bottle, cigarette
There is a small amount of CPM for being condensed into fine particle in gas, the tested cigarette can be adequately filtered out by CPM filter elements
The CPM condensed in gas.
In addition, the CPM sample devices also includes temperature sensor, for the tested cigarette to flowing through the absorber
The temperature of gas is detected, and is electrically connected with the master control system of the CPM sample devices, the temperature of detection is uploaded to described
Master control system.
In addition, the CPM sample devices also includes：
Washing tail gas drying device, be connected with the absorber, for absorb moisture remaining in the tested flue gas and
Pollutant；
Automatic sampling instrument, it is connected with the washing tail gas device, remaining flue gas in the tested flue gas is acquired
Analysis.
After CPM is collected, the processing of washing tail gas drying device can be utilized to absorb remaining moisture and pollutant, and utilize
Automatic sampling instrument is acquired to flue gas and the parameters such as flue gas volume is analyzed.
Brief description of the drawings
Fig. 1 is the schematic diagram of the CPM sample devices in the utility model first embodiment；
Fig. 2 is the schematic diagram of the CPM sample devices in the utility model second embodiment；
Fig. 3 is semiconductor refrigerating technology schematic diagram.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.It is however, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But even if without these skills
Art details and many variations based on following embodiment and modification, it can also realize that each claim of the application is required and protect
The technical scheme of shield.
First embodiment of the present utility model is related to a kind of CPM sample devices, as shown in figure 1, comprising：Sampling gun 1,
FPM filters 2, condensing unit, absorber.Wherein sampling gun 1 is used to gather tested flue gas.FPM filters 2 and sampling gun
1 is connected, and particulate matter is may filter that in the flue gas for filtering out the collection of sampling gun 1.Condensing unit is connected with FPM filters 2,
Condensed for the CPM in the tested flue gas to filtering out FPM.Absorber is connected with condensing unit, is condensed for absorbing
The CPM of device condensation.
Specifically, CPM sample devices gathers tested flue gas by sampling gun 1, and is filtered out using FPM filters 2
Particulate matter is may filter that in tested flue gas, because often flue-gas temperature is higher, it is necessary to will filter out FPM's by condensing unit
The CPM of tested flue gas is condensed so that CPM is changed into the particulate matter shape material of solid-state or liquid, is finally absorbed using absorber
Fall the particulate material of these solid-states or liquid, can according to increased particulate matter weight in flue gas sampling volume and absorber,
Obtain the content of CPM in flue gas.Thus, the CPM in flue gas can be separated, trapped using the equipment, for follow-up
Analysis detection.
It is noted that sampling gun 1 includes heat tracing element 3, because domestic smoke moisture is higher, flue gas can cause to the cold
A large amount of condensed materials separate out in sampling gun and FPM filters 2, and FPM filters 2 can not only absorb these condensed material shadows
Subsequent sampling result is rung, while it is excessive and influence being normally carried out for CPM samplings to will also result in FPM filter membrane resistances.Sampling gun flue gas
Pipeline selects heat tracing polyfluortetraethylene pipe, polytetrafluoroethylmaterial material have excellent resistant of high or low temperature (- 190 DEG C of temperature resistant range~+
260 DEG C), (it on the surface, is a kind of minimum solid material of surface energy that known solid material can not all adhere to surface non-stick
Material) and resistance to ag(e)ing (being exposed to for a long time in air, surface and property retention are constant).Meanwhile polyfluortetraethylene pipe connection simplicity,
Anti-seismic performance is good.
In present embodiment, sampling gun 1 and FPM filters 2 are two independent devices.However, answering according to reality
With demand, FPM filters 2 can be arranged in a device with sampling gun 1, and FPM filters are before sampling gun, FPM mistakes
Device and sampling gun whole process heat tracing are filtered, prevents the CPM in flue gas to be changed into the particulate material of solid-state or liquid to the cold.
It should be noted that condensing unit includes：Condenser pipe 4, tank 5 and circulating pump 6.Condenser pipe 4 includes：Inner core tube with
Outer tube.Inner core tube is connected with FPM filters 2, and FPM tested flue gas is fallen for delivery of filtered.Outer tube can accommodate inner core tube,
It is connected respectively with circulating pump 6 and tank 5, peripheral passage is formed with circulating pump 6 and tank 5.The inner core tube of condenser pipe 4 is spiral
Shape, i.e. condenser pipe 4 are serpentine condenser, and flue gas is helical flow when flowing through serpentine condenser, condensation it is better.Tank
5 are connected with condenser pipe 4 and carry out heat exchange to condenser pipe 4；Circulating pump 6 is connected respectively by connecting line and tank 5 and condenser pipe 4
Connect, for being circulated to condenser pipe 4 and the water in tank 5.Low-temperature receiver of the water as condenser pipe 4 in tank 5, constantly with cigarette
Gas is exchanged heat, and makes the CPM in flue gas by total condensation.
In addition, condensing unit also includes：Compressor 7, it is connected with tank 5, for freezing to the water in tank 5.When
Coolant-temperature gage in tank 5 is too high so that when heat transfer effect is undesirable, the water in tank 5 can be forced using compressor 7
Refrigeration, reduces the water temperature in tank 5, improving heat exchanging efficiency.
It should also be noted that, absorber includes：First order absorption bottle 8, two level absorption bottle 9.First order absorption bottle 8 fills with condensation
Connection is put, for absorbing the CPM of tested flue gas partial condensation；Two level absorption bottle 9 is connected with first order absorption bottle 8, is used for into one
Step absorbs the CPM condensed in tested flue gas.First order absorption bottle 8 and two level absorption bottle 9 can be partly immersed in tank 5, make flue gas
Persistently exchanged heat with the water in tank 5.After CPM in flue gas is condensed into solid-state and liquid particles shape material, due to the effect of power,
It can not continue to follow flow of flue gas to be received by first order absorption bottle 8 and two level absorption bottle 9 by first order absorption bottle 8 and two level absorption bottle 9
Collection.
In addition, absorber also includes CPM filter elements 10, it is connected with two level absorption bottle 9, after two level absorption bottle 9, cigarette
There is a small amount of CPM for being condensed into fine particle in gas, tested flue gas can be adequately filtered out by CPM filter elements 10
The CPM of middle condensation.
CPM sample devices also includes temperature sensor 11, and the temperature for the tested flue gas to flowing through absorber is examined
Survey, and be electrically connected with the master control system of CPM sample devices, the temperature of detection is uploaded to master control system.In catching for flue gas CPM
During collection, temperature should be controlled within 30 DEG C, CPM is condensed into fine particle as much as possible, and accurate in order to CPM is adopted
Collection.Thus, after the temperature that temperature sensor 11 measures is reached into master control system, as temperature is too high, can taking human as increase compress
The operation power of machine 7, accelerate refrigeration, the operation power of compressor 7 according to temperature range, can also be automatically regulated.
In addition, CPM sample devices also includes：Washing tail gas drying device 12 and automatic sampling instrument 13.Washing tail gas is dried
Device 12 is connected with absorber, for absorbing moisture and pollutant remaining in tested flue gas；Automatic sampling instrument 13 is washed with tail gas
Wash drying device 12 to connect, analysis is acquired to remaining flue gas in tested flue gas.After CPM is collected, tail gas can be utilized
Wash the processing of drying device 12 and absorb remaining moisture and pollutant, and using automatic sampling instrument 13 flue gas is acquired and right
The parameters such as flue gas volume are analyzed.
Second embodiment of the present utility model is related to a kind of CPM sample devices.Second embodiment and the first embodiment party
Formula is roughly the same, is in place of the main distinction：In the first embodiment, condensing unit includes：Condenser pipe 4, tank 5, circulation
Pump 6 and compressor 7, are freezed using compressor.And in the utility model second embodiment, as shown in Fig. 2 condensation dress
Put and include：Condenser pipe 4, tank 5, circulating pump 6 and semiconductor cooling device 14, semiconductor cooling device is substituted for by compressor
14, freezed using semiconductor cooling device 14.The volume of semiconductor cooling device 14 is smaller, improves CPM sample devices
Portable performance, and reduce cost.
Semiconductor refrigerating technology is that one piece of N-type semiconductor material and one piece of p-type semiconductor material are coupled to a galvanic couple
It is right, after connecting DC current in this circuit, the transfer with regard to energy can be produced.Its operation principle is as shown in figure 3, N-type element
Carrier be electronics, the carrier of p-type element is hole.When electric current is flowed into, flowed out from p-type element from N-type element, N-type
Electronics in element moves down under electric field action, polymerize in lower end with the positive charge of power supply, heat release during polymerization, same p-type
Hole in element moves down under electric field action, polymerize in lower end with the negative electrical charge of power supply, and lower end releases heat when polymerizeing,
As hot junction；Meanwhile electric current flows to p-type element by N-type element, electronics is separated with hole in upper end, and heat is absorbed when upper end separates
Amount, turns into cold end.When changing sense of current, heat absorbing end can be changed into release end of heat, and release end of heat can be changed into heat absorbing end.Absorb heat and put
The size of heat is determined by the size of electric current and semi-conducting material N, P element logarithm.Because semiconductor itself is present
Resistance, will produce heat when electric current passes through semiconductor, and the heat between two pole plates can pass through air and semi-conducting material
Itself carries out reverse heat transfer.When hot and cold side reaches certain temperature difference, when the amount of both heat transfers is equal, will reach one it is flat
Weighed point, and just reverse heat transfer is cancelled out each other, and now the temperature of hot and cold side would not continue to change.
In present embodiment, the cold end of semiconductor cooling device 14 is connected with condenser pipe 4 and circulating pump 6 respectively, recirculated water
Temperature is reduced by the cold end of semiconductor cooling device 14.In order that cold end obtains lower temperature, can be in semiconductor system
The hot junction of device for cooling 14, which installs small-sized heating equipment 15 additional, reduces the heat in hot junction.The temperature of the hot and cold side of usual semiconductor cooling device
Between difference can reach 40 DEG C~65 DEG C, if reducing hot-side temperature, that cold junction temperature can also decline accordingly, so that cold end
Reach lower temperature.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (10)
1. a kind of condensable particulate matter CPM sample devices, it is characterised in that include：
Sampling gun, for gathering tested flue gas；
Particulate matter FPM filters are may filter that, are connected with the sampling gun, in the flue gas for filtering out the sampling gun collection
May filter that particulate matter；
Condensing unit, it is connected, is carried out for the CPM in the tested flue gas to filtering out the FPM cold with the FPM filters
It is solidifying；
Absorber, it is connected with the condensing unit, for absorbing the CPM condensed by the condensing unit.
2. CPM sample devices according to claim 1, it is characterised in that the sampling gun includes heat tracing element.
3. CPM sample devices according to claim 1, it is characterised in that the condensing unit includes：
Condenser pipe, it is connected with the FPM filters；
Tank, it is connected with the condenser pipe and heat exchange is carried out to the condenser pipe；
Circulating pump, it is connected with the tank, for being circulated to the condenser pipe and the water in the tank.
4. CPM sample devices according to claim 3, it is characterised in that the condensing unit also includes：Compressor, with
Tank connects, for freezing to the water in the tank.
5. CPM sample devices according to claim 3, it is characterised in that the condenser pipe includes：
Inner core tube, it is connected with the FPM filters, the tested flue gas of the FPM, and the inner core tube is fallen for delivery of filtered
For spiral shape；
Outer tube, the inner core tube is accommodated, be connected respectively with the circulating pump and the tank, with the circulating pump and the tank
Form peripheral passage.
6. CPM sample devices according to claim 3, it is characterised in that the condensing unit also includes：Semiconductor refrigerating
Device, it is connected with the circulating pump, for freezing to the water in the tank.
7. CPM sample devices according to claim 1, it is characterised in that the absorber includes：
First order absorption bottle, it is connected with the condensing unit, for absorbing the CPM of the tested flue gas partial condensation；
Two level absorption bottle, it is connected with the first order absorption bottle, for further absorbing the CPM condensed in the tested flue gas.
8. CPM sample devices according to claim 7, it is characterised in that absorber also includes CPM filter elements, with institute
The connection of two level absorption bottle is stated, for the CPM for being adequately filtered out condensing in the tested flue gas.
9. CPM sample devices according to claim 1, it is characterised in that the CPM sample devices also includes TEMP
Device, the temperature for the tested flue gas to flowing through the absorber detect, and with the master control of the CPM sample devices
System is electrically connected with, and the temperature of detection is uploaded into the master control system.
10. CPM sample devices according to claim 1, it is characterised in that the CPM sample devices also includes：
Washing tail gas drying device, it is connected with the absorber, for absorbing moisture remaining in the tested flue gas and pollution
Thing；
Automatic sampling instrument, it is connected with the washing tail gas device, analysis is acquired to remaining flue gas in the tested flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540043.8U CN206990280U (en) | 2017-05-16 | 2017-05-16 | Condensable particulate matter CPM sample devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540043.8U CN206990280U (en) | 2017-05-16 | 2017-05-16 | Condensable particulate matter CPM sample devices |
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| Publication Number | Publication Date |
|---|---|
| CN206990280U true CN206990280U (en) | 2018-02-09 |
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ID=61389493
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720540043.8U Expired - Fee Related CN206990280U (en) | 2017-05-16 | 2017-05-16 | Condensable particulate matter CPM sample devices |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121309A (en) * | 2017-05-16 | 2017-09-01 | 上海创蓝检测技术有限公司 | Condensable particulate matter CPM sample devices |
| CN110146350A (en) * | 2019-06-25 | 2019-08-20 | 中国华能集团清洁能源技术研究院有限公司 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
| CN110208160A (en) * | 2019-07-11 | 2019-09-06 | 安阳工学院 | A kind of measurement device and measuring method of flue gas total particulate |
-
2017
- 2017-05-16 CN CN201720540043.8U patent/CN206990280U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121309A (en) * | 2017-05-16 | 2017-09-01 | 上海创蓝检测技术有限公司 | Condensable particulate matter CPM sample devices |
| CN110146350A (en) * | 2019-06-25 | 2019-08-20 | 中国华能集团清洁能源技术研究院有限公司 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
| CN110208160A (en) * | 2019-07-11 | 2019-09-06 | 安阳工学院 | A kind of measurement device and measuring method of flue gas total particulate |
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