CN115445345A - Asphalt flue gas component capturing device and testing method - Google Patents
Asphalt flue gas component capturing device and testing method Download PDFInfo
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- CN115445345A CN115445345A CN202210854912.XA CN202210854912A CN115445345A CN 115445345 A CN115445345 A CN 115445345A CN 202210854912 A CN202210854912 A CN 202210854912A CN 115445345 A CN115445345 A CN 115445345A
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- 239000003546 flue gas Substances 0.000 title claims abstract description 144
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000010426 asphalt Substances 0.000 title claims abstract description 111
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 83
- 238000000746 purification Methods 0.000 claims abstract description 18
- 238000011160 research Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 66
- 229910001220 stainless steel Inorganic materials 0.000 claims description 32
- 239000010935 stainless steel Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000000428 dust Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- ILNYDHOAOJZFFP-UHFFFAOYSA-N anthracene naphthalene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C12.C1=CC=CC2=CC3=CC=CC=C3C=C12.C1=CC=CC2=CC=CC=C12 ILNYDHOAOJZFFP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Dispersion Chemistry (AREA)
- Road Paving Machines (AREA)
Abstract
A device for capturing components of asphalt smoke and a testing method belong to the technical field of asphalt smoke treatment, and can solve the problems that the smoke components cannot be captured in real time in the asphalt and modified asphalt processes in the existing asphalt road industry, the smoke emission in the hot-mix asphalt process cannot be accurately obtained, and the environmental scientific research is inaccurate. Including dry heat air supply unit, flue gas generation unit, flue gas component catching unit and flue gas purification unit, the end of dry heat air supply unit is connected with the head end of flue gas generation unit through the pipeline, and the end of flue gas generation unit is connected with the head end of flue gas component catching unit through the pipeline, and the end of flue gas component catching unit is connected with the head end of flue gas purification unit through the pipeline. The device provided by the invention considers the influence of air components and air flow on the generation of the asphalt smoke, so that the components of the asphalt smoke can be quantitatively captured and collected, and meanwhile, the real-time detection of the smoke flow in the hot-mixing asphalt process can be realized.
Description
Technical Field
The invention belongs to the technical field of asphalt flue gas treatment, and particularly relates to an asphalt flue gas component capturing device and a testing method.
Background
In the fourteen-five period, the ecological civilization construction of China enters the key period of taking carbon reduction as a key strategic direction, promoting pollution and carbon reduction synergistic effect, promoting the development of economic society, comprehensively and greenly transforming and realizing the quality improvement of ecological environment from quantitative change to qualitative change. As an important influence part of carbon emission, the road traffic industry plays an important role in the ecological civilization construction of China. According to statistics, carbon emission in the transportation industry accounts for about 10.4% of the total carbon emission in China, and particularly for road transportation, the carbon emission accounts for more than 85% of the total carbon emission in national transportation at present, and is an absolute main body of transportation carbon emission and an important emission reduction point. Asphalt is used as a main bonding material in highway pavements, and due to excellent material properties, the application amount and application scenes of the asphalt in expressways and urban roads are continuously improved.
However, asphalt roads produce a great deal of waste gas pollution in the production, service and recovery processes. Asphalt fumes are aerosols and vapors produced by the heating of asphalt and the combustion of bituminous materials. Because the asphalt is a high molecular polymer, the smoke components generated in the production and use processes are also extremely complex. Research shows that the asphalt smoke mainly comprises liquid hydrocarbon particles, gaseous hydrocarbons and derivatives thereof, and can cause great stimulation to the skin, respiratory system and mucous membrane of human body. Substances such as anthracene naphthalene, phenols, acridine, pyridine, benzopyrene and the like in the asphalt smoke have great harm to human health and natural ecological environment. In recent years, a plurality of environmental protection policy documents are issued successively by the nation and the local, and higher requirements are put forward on the comprehensive treatment of VOC (volatile organic compounds), so that the asphalt production and the construction face huge environmental protection pressure. Meanwhile, the yield of the asphalt smoke and the oxygen content of the components and the air and the contact area of the air show a certain degree of correlation. Reasonably captures asphalt components, scientifically explores the influence of asphalt smoke on the road industry, and has great practical significance for scientific research and actual production in the road industry.
However, at present, most of asphalt flue gas capturing and collecting devices and equipment for the road industry are concentrated on bag-type dust collectors, boiler dust collectors, filter cartridge dust collectors, cyclone dust collectors and manual collection, so that the investment cost is high, time and labor are consumed, flue gas components caused by external environment changes such as air components and flow cannot be fully captured, and quantitative research on asphalt production, research and development and environmental protection processing cannot be accurately determined. Based on the reasons, the research and development of the asphalt flue gas component capturing device and the testing method have important significance on production and environmental protection in the road industry.
Disclosure of Invention
The invention provides an asphalt flue gas component capturing device and a testing method, aiming at the defects that the influence of air components and flow on asphalt flue gas components cannot be quantitatively evaluated and asphalt flue gas cannot be accurately captured in the existing industry. The invention can realize the collection and purification of the smoke of the asphalt mixture and can realize the real-time detection of the smoke concentration in the asphalt.
The invention adopts the following technical scheme:
the utility model provides an asphalt flue gas component trapping apparatus, includes dry heat air feed unit, flue gas generation unit, flue gas component capture unit and flue gas purification unit, the end of dry heat air feed unit is passed through the pipeline and is connected with the head end of flue gas generation unit, and the end of flue gas generation unit is passed through the pipeline and is connected with the head end of flue gas component capture unit, and the end of flue gas component capture unit is passed through the pipeline and is connected with the head end of flue gas purification unit.
Furthermore, the dry heat air supply unit comprises an air tank, a first condenser, a first heat conduction pipe, a second heat conduction pipe and a first evaporator, an outlet of the air tank is connected with one end of the first heat conduction pipe through a pipeline, an air valve, a first flowmeter and a pipeline connector are arranged on the pipeline, the other end of the first heat conduction pipe is connected with one end of the second heat conduction pipe through the pipeline connector, the first heat conduction pipe is located in the first condenser, and the second heat conduction pipe is located in the first evaporator.
Further, the flue gas generating unit comprises a heating furnace, a stainless steel asphalt cylinder, a gas input pipe and a gas output pipe, the stainless steel asphalt cylinder is located above the heating furnace, a plug is arranged on the stainless steel asphalt cylinder, one end of the gas input pipe is connected with the dry heat gas supply unit through a pipeline connector, the other end of the gas input pipe penetrates through the plug and stretches into the stainless steel asphalt cylinder, one end of the gas output pipe penetrates through the plug and stretches into the stainless steel asphalt cylinder, and the part of the gas input pipe stretching into the stainless steel asphalt cylinder is longer than the part of the gas output pipe stretching into the stainless steel asphalt cylinder.
Further, the flue gas component capturing unit comprises an evaporator II, a first flue gas filter, a condenser II, a second flue gas filter and a third flue gas filter, the first flue gas filter is located in the evaporator II, the third flue gas filter is located in the condenser II, one end of the first flue gas filter is connected with a gas output pipe of the flue gas generating unit through a pipeline connector, the other end of the first flue gas filter is connected with one end of the second flue gas filter through a pipeline connector, and one end of the second flue gas filter is connected with one end of the third flue gas filter through a pipeline connector.
Furthermore, the first smoke filter, the second smoke filter and the third smoke filter all comprise a first stainless steel shell, a first smoke input plug and a first smoke output plug are arranged at two ends of the first stainless steel shell respectively, and porous ceramic particles are filled in the first stainless steel shell.
Further, the flue gas purification unit includes aspiration pump and gas cleaning ware, and the one end of aspiration pump is passed through the pipeline and is connected with flue gas component capture unit, is equipped with the second flowmeter on the pipeline, and the other end passes through the pipe connection ware and is connected with gas cleaning ware's one end.
Furthermore, the flue gas purifier comprises a stainless steel shell II, wherein two ends of the stainless steel shell II are respectively provided with a flue gas input plug II and a flue gas output plug II, and the stainless steel shell II is filled with active carbon.
A method for detecting and testing hot-mixed asphalt smoke by using an asphalt smoke component capturing device comprises the following steps:
step 5, setting three groups of temperatures of an evaporator II and a condenser II to capture components of the asphalt flue gas for observing the dissipation conditions of the asphalt flue gas at different temperatures;
and 6, closing the dry heat gas supply unit, the smoke generation unit, the smoke component capture unit and the smoke purification unit in sequence, separating the first smoke filter, the second smoke filter and the third smoke filter, taking out the porous ceramic particles in the first smoke filter, the second smoke filter and the third smoke filter in sequence, putting the porous ceramic particles in trichloroethylene, separating out the asphalt smoke, and finally obtaining the capture amount of different components of the asphalt smoke.
The invention has the following beneficial effects:
1. the flue gas component capturing device and the testing method provided by the invention can not only control the influence of air components on the generation of asphalt flue gas, but also quantitatively control the influence of air flow on the generation of asphalt flue gas;
2. the flue gas component capturing device and the testing method provided by the invention can capture asphalt flue gas components in a component manner, can more efficiently and reasonably obtain the asphalt flue gas components, and provide better support for asphalt production and scientific research;
3. the flue gas component capturing device and the testing method provided by the invention finally purify the residual flue gas in a chemical purification mode, and can treat the flue gas pollution generated in the asphalt production and modification processes in a more environment-friendly way.
Drawings
FIG. 1 is a schematic view of the overall structure of the asphalt flue gas component capturing device of the present invention;
FIG. 2 is a schematic view of the first, second or third flue gas filter;
FIG. 3 is a schematic view of a flue gas purifier;
wherein: 1-dry hot air supply unit; 2-a flue gas generating unit; 3-a flue gas component capture unit; 4-a flue gas purification unit; 1-1-cylinder; 1-2-air valve; 1-3-a first flow meter; 1-4-a tubing connector; 1-5, a first condenser; 1-6-heat conduction pipe I; 1-7-heat conduction pipe II; 1-8-evaporator I; 2-1-heating furnace; 2-2-stainless steel asphalt cylinder; 2-3-asphalt; 2-4-plug; 2-5-gas input pipe; 2-6-a gas output pipe; 3-1-evaporator II; 3-2-a first flue gas filter; 3-3 a second flue gas filter; 3-4-condenser II; 3-5-a third flue gas filter; 4-1-a second flow meter; 4-2-air pump; 4-3-a flue gas purifier; 3-3-1-stainless steel shell I; 3-3-2-flue gas input plug I; 3-3-3-smoke output plug I; 3-3-4-porous ceramic particles; 4-3-1-stainless steel shell II; 4-3-2-smoke input plug II; 4-3-3-smoke output plug II; 4-3-4-activated carbon.
Detailed Description
The invention is further explained with reference to the accompanying drawings.
The first embodiment is as follows: as shown in fig. 1, an asphalt flue gas component capturing device comprises a dry heat gas supply unit 1, a flue gas generation unit 2, a flue gas component capturing unit 3 and a flue gas purification unit 4, wherein the tail end of the dry heat gas supply unit 1 is connected with the head end of the flue gas generation unit 2 through a pipeline, and provides dry heat oxygen for thermal oxidation aging in an asphalt hot-mixing process; the tail end of the flue gas generation unit 2 is connected with the head end of the flue gas component capture unit 3 through a pipeline, so that components with different specific gravities of the flue gas can be accurately obtained; the tail end of the flue gas component capturing unit 3 is connected with the head end of the flue gas purification unit 4 through a pipeline, so that the flow of the captured flue gas is obtained, and the flue gas of the hot-mixed asphalt is further purified.
The second embodiment is as follows: the dry heat air supply unit 1 comprises an air tank 1-1, an air valve 1-2, a first flowmeter 1-3, a pipeline connector 1-4, a condenser I1-5, a heat conduction pipe I1-6, a heat conduction pipe II 1-7 and an evaporator I1-8. The air tank 1-1 controls the outflow of air through the air valve 1-2, and obtains air with a certain flow rate through the first flow meter 1-3, the tail end of the first flow meter 1-3 is connected with the first heat conduction pipe 1-6 through the pipeline connector, the air is condensed in the first condenser 1-5, the tail end of the first heat conduction pipe 1-6 is connected with the second heat conduction pipe 1-7 through the pipeline connector, and the air is heated through the first evaporator 1-8.
The smoke generation unit 2 can ensure that the asphalt generates a thermal oxidation reaction and generates smoke under the action of certain air input.
The flue gas component capturing unit 3 can capture different components of flue gas.
The flue gas purification unit 4 can purify the residual asphalt flue gas.
The gas tank 1-1 can provide air with different gas components, and provides an external gas environment for heating asphalt to generate smoke.
The condensers I1-5 and the evaporators I1-8 can provide drying air with different temperatures, and provide different heat source gases for asphalt smoke generation.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: as shown in figure 1, the flue gas generation unit 2 comprises a heating furnace 2-1, a stainless steel asphalt cylinder 2-2, asphalt 2-3, a plug 2-4, a gas input pipe 2-5 and a gas output pipe 2-6. Asphalt 2-3 is contained in a stainless steel asphalt cylinder 2-2, a plug 2-4 is covered to form a closed asphalt storage device, gas can be input and output through a connector input pipe 2-5 and a gas output pipeline 2-6 on the plug 2-4, the gas input pipe 2-5 is connected with a dry heat gas supply unit 1 through a pipeline connector to provide hot oxygen aging gas for the asphalt 2-3 in the stainless steel asphalt cylinder 2-2, and the tail end of the gas output pipeline 2-6 is connected with the pipeline connector.
The heating furnace 2-1 can provide heat sources with different temperatures for the hot gas generator and heat sources for different asphalt production processes.
Other components and connection relations are the same as those of the first embodiment or the second embodiment.
The fourth concrete implementation mode: the smoke component capturing unit 3 comprises a pipeline connector, a second evaporator 3-1, a first smoke filter 3-2, a second smoke filter 3-3, a second condenser 3-4 and a third smoke filter 3-5. The evaporator II 3-1 is connected with the pipeline connector and the first smoke filter 3-2, the first smoke filter 3-2 and the second smoke filter 3-3 are connected with each other through the pipeline and the pipeline connector, the first smoke filter 3-2 is arranged in the evaporator II 3-1, the second smoke filter 3-3 is connected with the third smoke filter 3-5 through the pipeline and the pipeline connector, and the third smoke filter 3-5 is arranged in the condenser II 3-4 and connected with the pipeline connector.
The first flue gas filter 3-2, the second flue gas filter 3-3 and the third flue gas filter 3-5 contain porous ceramic particles inside and are used for capturing and collecting asphalt flue gas.
The second evaporator 3-1 and the second condenser 3-4 can respectively provide different ambient temperatures for the first smoke filter 3-2 and the third smoke filter 3-5, and asphalt smoke components are guaranteed to be captured at different ambient temperatures.
Other components and connection relations are the same as those of the first embodiment, the second embodiment or the third embodiment.
The fifth concrete implementation mode is as follows: the flue gas purification unit 4 comprises a second flowmeter 4-1, an air pump 4-2 and a flue gas purifier 4-3. The second flowmeter 4-1 air pump 4-2 and the flue gas purifier 4-3 are connected through a pipeline connector.
The air pump 4-2 and the second flow meter 4-1 are combined with the air tank 1-1, the air valve 1-2 and the first flow meter 1-3 to provide air gas with different flow rates for the smoke generation unit 2 so as to generate asphalt smoke under different air flows.
The smoke purifier 4-3 contains active carbon, purifies residual tail gas and ensures that asphalt smoke does not pollute the outside.
Other components and connection relations are the same as those of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 2, and the method for capturing and testing components of asphalt smoke according to the embodiment includes the following steps:
TABLE 1 air composition versus asphalt Smoke Generation and Capture parameters
TABLE 2 air flow parameter Table
TABLE 3 asphalt fume temp. parameter table
And 5, setting three groups of ambient temperatures of the evaporator II 3-1 and the condenser II 3-4 to capture components of the flue gas in order to observe the dissipation conditions of the asphalt flue gas at different temperatures, wherein the captured ambient temperatures are shown in a table 4.
TABLE 4 asphalt fume capture environment temperature parameter table
And 6, closing the dry heat gas supply unit 1, the flue gas generation unit 2, the flue gas component capture unit 3 and the flue gas purification unit 4 in sequence, separating the first flue gas filter 3-2, the second flue gas filter 3-3 and the third flue gas filter 3-5, taking out the porous ceramic particles 3-3-4 in the first flue gas filter 3-2, the second flue gas filter 3-3 and the third flue gas filter 3-5 respectively in sequence, placing the porous ceramic particles 3-3-4 in trichloroethylene to separate out the asphalt flue gas, and finally obtaining the capture amount of different components of the asphalt flue gas.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (8)
1. The utility model provides an asphalt flue gas component trapping apparatus which characterized in that: including dry heat air supply unit (1), flue gas generating unit (2), flue gas component catching unit (3) and flue gas purification unit (4), the end of dry heat air supply unit (1) is connected with the head end of flue gas generating unit (2) through the pipeline, and the end of flue gas generating unit (2) is connected with the head end of flue gas component catching unit (3) through the pipeline, and the end of flue gas component catching unit (3) is connected with the head end of flue gas purification unit (4) through the pipeline.
2. The asphalt flue gas component capture device of claim 1, wherein: the dry heat air supply unit (1) comprises an air tank (1-1), a condenser I (1-5), a heat conducting pipe I (1-6), a heat conducting pipe II (1-7) and an evaporator I (1-8), an outlet of the air tank (1-1) is connected with one end of the heat conducting pipe I (1-6) through a pipeline, an air valve (1-2), a first flowmeter (1-3) and a pipeline connector (1-4) are arranged on the pipeline, the other end of the heat conducting pipe I (1-6) is connected with one end of the heat conducting pipe II (1-7) through the pipeline connector, the heat conducting pipe I (1-6) is located in the condenser I (1-5), and the heat conducting pipe II (1-7) is located in the evaporator I (1-8).
3. The asphalt flue gas component catching device according to claim 2, characterized in that: the flue gas generating unit (2) comprises a heating furnace (2-1), a stainless steel asphalt cylinder (2-2), a gas input pipe (2-5) and a gas output pipe (2-6), the stainless steel asphalt cylinder (2-2) is located above the heating furnace (2-1), a plug (2-4) is arranged on the stainless steel asphalt cylinder (2-2), one end of the gas input pipe (2-5) is connected with the dry heat gas supply unit (1) through a pipeline connector, the other end of the gas input pipe penetrates through the plug (2-4) and extends into the stainless steel asphalt cylinder (2-2), one end of the gas output pipe (2-6) penetrates through the plug (2-4) and extends into the stainless steel asphalt cylinder (2-2), and the part of the gas input pipe (2-5) extending into the stainless steel asphalt cylinder (2-2) is longer than the part of the gas output pipe (2-6) extending into the stainless steel asphalt cylinder (2-2).
4. The asphalt flue gas component capture device of claim 3, wherein: the smoke component capturing unit (3) comprises a second evaporator (3-1), a first smoke filter (3-2), a second condenser (3-4), a second smoke filter (3-3) and a third smoke filter (3-5), the first smoke filter (3-2) is located in the second evaporator (3-1), the third smoke filter (3-5) is located in the second condenser (3-4), one end of the first smoke filter (3-2) is connected with a gas output pipe (2-6) of the smoke generating unit (2) through a pipeline connector, the other end of the first smoke filter is connected with one end of the second smoke filter (3-3) through a pipeline connector, and one end of the second smoke filter (3-3) is connected with one end of the third smoke filter (3-5) through a pipeline connector.
5. The asphalt flue gas component catching device according to claim 4, characterized in that: the first flue gas filter (3-2), the second flue gas filter (3-3) and the third flue gas filter (3-5) respectively comprise a stainless steel shell I (3-3-1), two ends of the stainless steel shell I (3-3-1) are respectively provided with a flue gas input plug I (3-3-2) and a flue gas output plug I (3-3-3), and porous ceramic particles (3-3-4) are filled in the stainless steel shell I (3-3-1).
6. The asphalt flue gas component catching device according to claim 5, characterized in that: the flue gas purification unit (4) comprises an air suction pump (4-2) and a flue gas purifier (4-3), one end of the air suction pump (4-2) is connected with the flue gas component capturing unit (3) through a pipeline, a second flowmeter (4-1) is arranged on the pipeline, and the other end of the air suction pump is connected with one end of the flue gas purifier (4-3) through a pipeline connector.
7. The asphalt flue gas component catching device according to claim 6, characterized in that: the smoke purifier (4-3) comprises a stainless steel shell II (4-3-1), a smoke input plug II (4-3-2) and a smoke output plug II (4-3-3) are respectively arranged at two ends of the stainless steel shell II (4-3-1), and activated carbon (4-3-4) is filled in the stainless steel shell II (4-3-1).
8. A hot-mix asphalt flue gas detection test method by using the asphalt flue gas component capture device of any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:
step 1, opening an air valve (1-2) and an air pump (4-2) in sequence respectively to conduct pre-experiments on tests, observing gas flow results through a first flowmeter (1-3) and a second flowmeter (4-1), and ensuring smooth gas in a testing device and good sealing performance;
step 2, in order to research the influence of air components on the generation of asphalt smoke, different gas compositions are controlled by controlling the gas components of the gas tank (1-1), and three gas components are set for detection;
step 3, in order to research the influence of air flow on asphalt smoke generation, different air flows are controlled through a control air valve (1-2), a first flow meter (1-3), a second flow meter (4-1) and an air pump (4-2), and three flows of the air flows are set for detection;
step 4, setting three temperature and time intervals of the heating furnace (2-1) for detecting in order to research smoke of different production processes and stages of asphalt heating, mixing and modification;
step 5, setting three groups of temperatures of a second evaporator (3-1) and a second condenser (3-4) to capture components of the asphalt flue gas in order to observe the dissipation conditions of the asphalt flue gas at different temperatures;
and 6, closing the dry heat gas supply unit (1), the flue gas generation unit (2), the flue gas component capture unit (3) and the flue gas purification unit (4) in sequence, separating the first flue gas filter (3-2), the second flue gas filter (3-3) and the third flue gas filter (3-5), taking out the porous ceramic particles (3-3-4) in the first flue gas filter (3-2), the second flue gas filter (3-3) and the third flue gas filter (3-5) in sequence respectively, putting the porous ceramic particles (3-3-4) in trichloroethylene to separate out the asphalt flue gas, and finally obtaining the capture amount of different components of the asphalt flue gas.
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