CN211262916U - Experimental asphalt flue gas collection device of using - Google Patents
Experimental asphalt flue gas collection device of using Download PDFInfo
- Publication number
- CN211262916U CN211262916U CN201922403224.8U CN201922403224U CN211262916U CN 211262916 U CN211262916 U CN 211262916U CN 201922403224 U CN201922403224 U CN 201922403224U CN 211262916 U CN211262916 U CN 211262916U
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- Prior art keywords
- asphalt
- glass fiber
- communicated
- pipe
- adsorption
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- 239000010426 asphalt Substances 0.000 title claims abstract description 71
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 12
- 239000003546 flue gas Substances 0.000 title claims description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 33
- 239000003365 glass fiber Substances 0.000 claims abstract description 31
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 9
- 239000003517 fume Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000007799 cork Substances 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 239000000779 smoke Substances 0.000 abstract description 37
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011295 pitch Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004058 oil shale Substances 0.000 description 2
- 239000004509 smoke generator Substances 0.000 description 2
- 238000005303 weighing Methods 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
- 206010023825 Laryngeal cancer Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 208000000453 Skin Neoplasms Diseases 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011300 coal pitch Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 206010023841 laryngeal neoplasm Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 208000026691 scrotum cancer Diseases 0.000 description 1
- 201000001814 scrotum neoplasm Diseases 0.000 description 1
- 201000000849 skin cancer Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Abstract
The utility model discloses an asphalt smoke collecting device for test, wherein an asphalt generator is arranged in a temperature control electric heating sleeve; one end of the air inlet is communicated to the dry gas bottle through a silica gel connecting pipe, and the middle part of the silica gel connecting pipe is also provided with a gas flow regulator; an electric stirrer is arranged in the middle opening, and an air outlet is communicated to the adsorption module through a glass connecting pipe; the adsorption module comprises a support and glass fiber adsorption cylinders, a plurality of glass fiber adsorption cylinders are arranged on the support side by side, and adjacent glass fiber adsorption cylinders are communicated through glass U-shaped pipes. According to the asphalt smoke collection device, the dry gas bottle is adopted for gas supply, and air is extracted, so that the gas supply end cannot be polluted and corroded by asphalt smoke, meanwhile, a safety bottle is not required to be arranged, and the structure is simple and stable; simultaneously this application adopts multiunit glass fiber pipe to use side by side, and adsorption effect is better, and the air current is also more stable, and the equipment is dismantled to the optional part of glass fiber pipe simultaneously, uses in a flexible way changeable.
Description
Technical Field
The utility model relates to an it is experimental with flue gas collection device field, concretely relates to it is experimental with pitch flue gas collection device.
Background
Asphalt fumes are the aerosol and vapors produced by heating of the asphalt and the combustion of the asphalt-containing material. The volatile matter in the asphalt smoke is discharged into the atmosphere and becomes one of the atmospheric pollutants. The components of asphalt fume are very complex and vary from one asphalt source to another. The asphalt smoke gas not only contains solid and liquid particles condensed by asphalt volatile components, but also contains organic matters in a steam state.
The asphalt smoke has wide emission sources and causes: 1. coking, oil refining and other industrial thermal processes producing pitch; 2. a process for heating bitumen to produce a bitumen product; 3. a process of heating asphalt for paving roads, repairing houses or as an anticorrosive coating; 4. a process for heating or burning bituminous products, petroleum, bituminous coal, wood, oil shale containing bitumen.
The asphalt smoke is generally mixed with smoke dust with a certain concentration, is dark brown or black, and has a strong stimulation effect. Compounds containing 6 or more carbon atoms are reported to be carcinogenic to the skin and respiratory system. Researches and animal experiments prove that the 3-4 benzopyrene extracted from coal tar, asphalt and organic solvent is a strong carcinogen. Long-term investigations have shown that workers who frequently contact coal tar, pitch and oil shale have a fairly high incidence of skin cancer, scrotum cancer, laryngeal cancer and lung cancer.
At present, with the further attention of the country on green environmental protection, energy conservation and emission reduction, the common hot-mix asphalt mixture is difficult to meet the requirements of safety protection in paving and operation. Particularly, the tunnel construction environment is severe, and the volatile gas of the hot asphalt mixture in the mixing and paving processes can pollute the atmospheric environment and also can harm the health of constructors. Therefore, the research on the inhibition of the smoke quantity of the asphalt is particularly important, the collection of the asphalt smoke is the basis for carrying out related research, and no simple and efficient device is used for completing the collection of the asphalt smoke in a laboratory at present. Therefore, a test device for collecting asphalt smoke with excellent performance and low cost is urgently needed to be researched.
The existing asphalt smoke collecting device, such as ZL201621121717.2 'an asphalt smoke collecting device', adopts an air exhaust mode to guide air, an adsorption device and a safety bottle are required to be arranged in the middle of the asphalt smoke collecting device, the air exhaust efficiency is low, the smoke can still easily corrode the air exhaust device if not treated, and the risk of liquid backflow exists. Adopt single active carbon absorption device, absorption efficiency is low, and active carbon life is short moreover, and the active carbon after the pollution is handled the degree of difficulty, can't be used for other experimental analysis simultaneously.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a simpler, the higher experimental pitch flue gas collection device of using of security performance.
In order to realize the technical purpose, the utility model discloses a scheme is: an asphalt smoke collecting device for a test comprises a temperature control electric heating jacket and an asphalt generator, wherein the asphalt generator is placed in the temperature control electric heating jacket, the top of the asphalt generator is provided with an air inlet, an air outlet and a middle port, and the air inlet, the air outlet and the middle port are all provided with cork stoppers for fixing or connecting pipelines;
one end of the air inlet is communicated to the dry gas bottle through a silica gel connecting pipe, and the middle part of the silica gel connecting pipe is also provided with a gas flow regulator;
an electric stirrer is arranged in the middle port, and the air outlet is communicated to the adsorption module through a glass connecting pipe;
the adsorption module comprises a support and glass fiber adsorption cylinders, wherein the support is provided with a plurality of glass fiber adsorption cylinders side by side, and the adjacent glass fiber adsorption cylinders are communicated through glass U-shaped pipes.
Preferably, a thermocouple is further arranged in the asphalt generator and is electrically connected with the temperature control electric heating jacket.
Preferably, a mercury thermometer is further arranged at the air outlet.
Preferably, the bracket is further provided with a circulating cooling pipe, and the glass fiber adsorption pipe is in contact with the circulating cooling pipe.
Preferably, the tail end of the glass fiber pipe is also communicated to a tail gas absorption tank.
The asphalt smoke collection device has the beneficial effects that the asphalt smoke collection device adopts the dry gas bottle to supply gas and exhaust gas, the gas supply end can not be polluted and corroded by asphalt smoke, meanwhile, a safety bottle is not required to be arranged, and the structure is simple and stable; meanwhile, the glass fiber tubes are used in parallel, so that the adsorption effect is better, the airflow is more stable, and meanwhile, the glass fiber tubes can be partially disassembled and assembled, so that the use is flexible and changeable; besides weighing to obtain the smoke mass, other impurities cannot be introduced, and the collected asphalt smoke can be used for other test analysis.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the specific embodiment of the present invention is an experimental asphalt flue gas collection device, which comprises a temperature-controlled electric heating jacket 1 and an asphalt generator 2, wherein the asphalt generator 2 is placed in the temperature-controlled electric heating jacket 1, an air inlet 3, an air outlet 4 and a middle port 5 are arranged at the top of the asphalt generator 2, and the air inlet 3, the air outlet 4 and the middle port 5 are all provided with cork stoppers 6 for fixing or connecting pipelines;
one end of the air inlet 3 is communicated to a dry gas bottle 8 through a silica gel connecting pipe 7, and the middle part of the silica gel connecting pipe 7 is also provided with a gas flow regulator 12;
an electric stirrer 10 is arranged in the middle port 5, and the gas outlet 4 is communicated to the adsorption module 9 through a glass connecting pipe 11;
the adsorption module 9 comprises a support 901 and glass fiber adsorption cylinders 902, wherein a plurality of glass fiber adsorption cylinders 902 are arranged on the support 901 in parallel, and the adjacent glass fiber adsorption cylinders 902 are communicated through glass U-shaped tubes 903.
For better automatic temperature control, a thermocouple 14 is also arranged in the asphalt generator 2, and the thermocouple 14 is electrically connected with the temperature-controlled electric heating jacket 1.
In order to observe the temperature of the air outlet conveniently, a mercury thermometer 13 is further arranged at the air outlet 4.
In order to accelerate the cooling of the asphalt flue gas, a circulating cooling pipe 904 is further arranged on the support 901, and the glass fiber adsorption pipe 902 is in contact with the circulating cooling pipe 903. When the temperature of the asphalt flue gas is too high, cooling water can be introduced into the circulating cooling pipe to accelerate the cooling of the asphalt flue gas, and volatile components in the asphalt flue gas are collected.
The tail end of the glass fiber pipe 902 is also communicated to a tail gas absorption tank for further absorbing and treating the asphalt flue gas. In order to avoid that the asphalt smoke is directly discharged into the atmosphere without being fully absorbed by the glass fiber pipe, the exhaust gas is absorbed again by a tail gas absorption tank containing alkaline liquid.
FIG. 1 shows an asphalt fume collecting device according to the present application. The utility model provides a dry gas bottle of dry air supply passes through the silica gel connecting pipe and is connected with gas flow regulator, gas flowmeter passes through the silicone tube and is connected with pitch smoke generater inlet port, it disposes electric stirrer and mercury thermometer still to install on the pitch smoke generater, the air inlet of pitch smoke generater, gas outlet and middle part mouth all adopt the cork to seal, pitch smoke generater places on accuse temperature electric heating cover, thermocouple on the electric heating cover inserts in the pitch smoke generater, the gas outlet of pitch smoke generater passes through the glass pipe and is connected with glass fiber adsorption cylinder, glass fiber adsorption cylinder is formed by four glass cylinders through the glass pipe series connection, it can be convenient take off with convenient follow-up test use, glass fiber adsorption cylinder is on as for following adsorption cylinder support.
When the device is used, a certain amount of test asphalt is poured into an asphalt smoke generator through a middle opening, then an electric stirrer is arranged in the asphalt smoke generator, a cork is plugged in the electric stirrer, a temperature-control electric heating sleeve is opened to start heating, a dry gas bottle is opened, a pressure reducing valve is adjusted to a proper pressure, a gas flow regulator is adjusted, the electric stirrer is set to parameters required by the test, a temperature sensor 5 of the temperature-control electric heating sleeve is inserted below the asphalt liquid level to measure the temperature of the asphalt, so that the temperature balance of the temperature-control electric heating sleeve is realized, wherein a mercury thermometer is positioned above the asphalt liquid level to measure the temperature of asphalt smoke. The produced asphalt smoke enters the glass fiber adsorption cylinder through the glass pipe from the air outlet, the asphalt smoke is adsorbed by the glass fiber to achieve the purpose of collection, the glass fiber adsorption cylinder is detached, and the quality change before and after the test can be obtained, or the asphalt smoke is processed for other tests.
According to the asphalt smoke collection device, the dry gas bottle is adopted for gas supply, and air is extracted, so that the gas supply end cannot be polluted and corroded by asphalt smoke, meanwhile, a safety bottle is not required to be arranged, and the structure is simple and stable; meanwhile, the glass fiber tubes are used in parallel, so that the adsorption effect is better, the airflow is more stable, and meanwhile, the glass fiber tubes can be partially disassembled and assembled, so that the use is flexible and changeable; besides weighing to obtain the smoke mass, other impurities cannot be introduced, and the collected asphalt smoke can be used for other test analysis.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (5)
1. The utility model provides an experimental pitch flue gas collection device that uses which characterized in that: the asphalt generator is placed in the temperature-controlled electric heating sleeve, an air inlet, an air outlet and a middle port are formed in the top of the asphalt generator, and cork stoppers for fixing or connecting pipelines are arranged on the air inlet, the air outlet and the middle port;
one end of the air inlet is communicated to the dry gas bottle through a silica gel connecting pipe, and the middle part of the silica gel connecting pipe is also provided with a gas flow regulator;
an electric stirrer is arranged in the middle port, and the air outlet is communicated to the adsorption module through a glass connecting pipe;
the adsorption module comprises a support and glass fiber adsorption cylinders, wherein the support is provided with a plurality of glass fiber adsorption cylinders side by side, and the adjacent glass fiber adsorption cylinders are communicated through glass U-shaped pipes.
2. The experimental asphalt fume collecting device according to claim 1, wherein: and a thermocouple is also arranged in the asphalt generator and is electrically connected with the temperature control electric heating jacket.
3. The experimental asphalt fume collecting device according to claim 1, wherein: and a mercury thermometer is also arranged at the air outlet.
4. The experimental asphalt fume collecting device according to claim 1, wherein: and the bracket is also provided with a circulating cooling pipe, and the glass fiber adsorption pipe is in contact with the circulating cooling pipe.
5. The experimental asphalt fume collecting device according to claim 1, wherein: the tail end of the glass fiber pipe is also communicated to a tail gas absorption tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403224.8U CN211262916U (en) | 2019-12-27 | 2019-12-27 | Experimental asphalt flue gas collection device of using |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403224.8U CN211262916U (en) | 2019-12-27 | 2019-12-27 | Experimental asphalt flue gas collection device of using |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262916U true CN211262916U (en) | 2020-08-14 |
Family
ID=71989199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922403224.8U Expired - Fee Related CN211262916U (en) | 2019-12-27 | 2019-12-27 | Experimental asphalt flue gas collection device of using |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262916U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341117A (en) * | 2021-07-02 | 2021-09-03 | 兰州理工大学 | Asphalt smoke generating-enriching device and installation and use method |
| CN114112557A (en) * | 2021-11-25 | 2022-03-01 | 哈尔滨工业大学 | Asphalt mixture flue gas detection/collection integrated device and test method |
| CN114669168A (en) * | 2022-04-02 | 2022-06-28 | 洛阳市公路事业发展中心 | Device and method for separating and collecting organic and inorganic components in asphalt flue gas |
| CN116625873A (en) * | 2023-07-24 | 2023-08-22 | 北京工业大学 | Asphalt smoke measuring device and asphalt smoke measuring method |
-
2019
- 2019-12-27 CN CN201922403224.8U patent/CN211262916U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341117A (en) * | 2021-07-02 | 2021-09-03 | 兰州理工大学 | Asphalt smoke generating-enriching device and installation and use method |
| CN114112557A (en) * | 2021-11-25 | 2022-03-01 | 哈尔滨工业大学 | Asphalt mixture flue gas detection/collection integrated device and test method |
| CN114669168A (en) * | 2022-04-02 | 2022-06-28 | 洛阳市公路事业发展中心 | Device and method for separating and collecting organic and inorganic components in asphalt flue gas |
| CN116625873A (en) * | 2023-07-24 | 2023-08-22 | 北京工业大学 | Asphalt smoke measuring device and asphalt smoke measuring method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |