CN105092316A - Flue-gas generating device and asphalt-concrete flue-gas impurity acquisition simulation system - Google Patents
Flue-gas generating device and asphalt-concrete flue-gas impurity acquisition simulation system Download PDFInfo
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- CN105092316A CN105092316A CN201510435100.1A CN201510435100A CN105092316A CN 105092316 A CN105092316 A CN 105092316A CN 201510435100 A CN201510435100 A CN 201510435100A CN 105092316 A CN105092316 A CN 105092316A
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Abstract
The invention provides a flue-gas generating device and an asphalt-concrete flue-gas impurity acquisition simulation system. The flue-gas generating device comprises an asphalt concrete stirring pot, a cylinder arranged above the asphalt concrete stirring pot and a top cover arranged at the top of the cylinder; the diameter of the cylinder is matched with the diameter of the pot; the cylinder is inside provided with a stirring paddle perpendicular to the top cover, the sidewall of the cylinder is provided with an air inlet and an air outlet, and one end of the air inlet is connected with an external high-pressure air bottle; the other end, at the inner side of the cylinder, of the air inlet is connected with one end of a gas-guide pipe, and the other end of the gas-guide pipe stretches to the bottom of the asphalt concrete stirring pot; and the device also comprises a control panel, the control panel is provided with a temperature adjusting button, and the asphalt concrete stirring pot is inside provided with a heating electric furnace wire. By employing the technical scheme, preparation of asphalt concrete flue gas can be realized, also the flue-gas release situations at various stages in an actual pavement pouring process can be simulated, and flue gas pollution characteristic can be analyzed.
Description
Technical field
The present invention relates to bitumen concrete technical field, particularly relate to a kind of smoke generating appts and bitumen concrete flue gas impurity collection simulation system.
Background technology
Along with the high speed development of Modern Traffic, bitumen concrete is more and more applied in road construction.
Bitumen concrete is commonly called as bituminous concrete, has the mineral aggregate (rubble or grating gravel, aggregate chips or sand, breeze etc.) of certain proportioning composition and a certain proportion of bitumen for road use material, the compound of mixing under strict controlled condition through artificial selection.Bituminous pavement is by boning mineral aggregate and pavement structure that the surface layer built forms with all kinds of basic unit and bed course using asphalt material as binder.Because bituminous pavement uses bitumen concrete, thus enhance the cohesive force between mineral aggregate, improve the strength and stability of compound, the permanance of the service property (quality) on road surface is all improved.Compared with cement concrete pavement, bituminous pavement have surfacing, without seam, drive a vehicle comfortable, noise is low, wearing quality good, it is little to vibrate, the construction time is short, maintenance is convenient, be suitable for the advantages such as stage construction.Thus obtain and apply more and more widely.
Existing Asphalt concrete mixing device object is only bituminous concrete to add thermal agitation, the flue gas uncontrollable discharge produced in heating process, containing the pollutant such as palycyclic aromatic, bioxin and heavy metal in flue gas, contaminated environment, but carrying out actual road surface flue gas sampling needed for occupational exposure risk assessment cannot accurate sampling determination by various factors restriction, can not simulate bitumen concrete and prepare and flue gas release conditions in casting process.
Summary of the invention
The invention provides a kind of smoke generating appts and bitumen concrete flue gas impurity collection simulation system, cannot prepare and the problem of flue gas release conditions in casting process bitumen concrete of can not simulating that accurately sampling determination causes by various factors restriction to overcome actual road surface flue gas sampling, achieve the preparation of bitumen concrete flue gas, simulate actual road surface simultaneously and build each stage flue gas release conditions, can be used to analyze smoke pollution characteristic, make up actual road surface and be difficult to effectively to gather the blank that flue gas carries out testing.
The invention provides a kind of smoke generating appts, comprising: bitumen concrete mixes and stirs pot, be located at described bitumen concrete mixes and stirs the cylinder above pot and be arranged on the top cover of described barrel top; The diameter that the diameter of described cylinder and described bitumen concrete mix and stir pot matches; And in described cylinder, direction perpendicular to described top cover is provided with paddle, described cylinder side wall is provided with air intake opening and gas outlet, described air intake opening one end is connected with the high pressure air bottle of outside; The other end of described air intake opening inside described cylinder is connected with one end of wireway, and the other end of described wireway stretches to the bottom that described bitumen concrete mixes and stirs pot;
Described device also comprises control panel, described control panel is provided with temperature adjustment buttons, the pot nside that described bitumen concrete mixes and stirs pot is provided with hot plate silk, described temperature adjustment buttons is connected with described hot plate silk, being heated to different temperature for controlling described hot plate silk, mixing and stirring pot to make described bitumen concrete and working in different temperature sections.
Further, in smoke generating appts as above, the central angle of the axis of described air intake opening and described gas outlet and described cylindric steel plate is not less than 120 °.
Further, in smoke generating appts as above, described cylinder and described top cover, described cylinder and described bitumen concrete mix and stir the junction on edge on pot and are respectively arranged with high temperature resistant necklace.
Further, in smoke generating appts as above, between described air intake opening and described high pressure air bottle, be provided with first-class gauge.
The present invention also provides a kind of bitumen concrete flue gas impurity to gather simulation system, comprises smoke generating appts as above, impurity acquisition component and surge flask; The gas outlet of described bitumen concrete flue gas preparation facilities is connected with impurity acquisition component, and the flue gas that the described gas outlet of described smoke generating appts is discharged is imported into described impurity acquisition component; Described impurity acquisition component is for gathering organism in described flue gas or heavy metal; Described impurity acquisition component is connected with described surge flask, after the flue gas of described impurity acquisition component is fed in described surge flask and carries out pollutant process, discharges.
Further, bitumen concrete flue gas impurity as above gathers in simulation system, and when described impurity acquisition component gathers organism, described impurity acquisition component comprises the adsorption element that activated charcoal or XAD-2 are housed.
Further, bitumen concrete flue gas impurity as above gathers in simulation system, and when described impurity acquisition component gathers heavy metal, described impurity acquisition component comprises receiving flask, the mixed liquor of hydrogen peroxide and nitric acid aqueous solution is housed in described receiving flask, and the quantity of described receiving flask is one or more.
Further, bitumen concrete flue gas impurity as above gathers in simulation system, and described gas outlet is provided with filter membrane between described impurity acquisition component, and described filter membrane is for adsorbing large particulate matter; Described filter membrane adopts quartz fibre filter membrane.
Further, bitumen concrete flue gas impurity as above gathers in simulation system, after described gas outlet, the pipeline of the optional position before described flue gas is discharged also is provided with second gauge; Described system also comprises vacuum air pump, and described vacuum air pump is for extracting the flue gas after described surge flask process.
Further, bitumen concrete flue gas impurity as above gathers in simulation system, and the quantity of described surge flask is one or more, and is placed with damping fluid in described surge flask, and described damping fluid is normal hexane.
In smoke generating appts of the present invention and bitumen flue gas, impurity gathers simulation system, mix and stir pot by bitumen concrete, be located at bitumen concrete and mix and stir the cylinder above pot and be arranged on the top cover of barrel top, and paddle is provided with in cylinder, perpendicular on the direction of top cover, cylinder side wall is provided with air intake opening and gas outlet, air intake opening one end is connected with outside high pressure air bottle; The other end of air intake opening inside cylinder is connected with one end of wireway, and the other end of wireway stretches to the bottom that bitumen concrete mixes and stirs pot.Overcome actual road surface flue gas sampling cannot prepare and the problem of flue gas release conditions in casting process bitumen concrete of can not simulating that accurately sampling determination causes by various factors restriction, achieve the preparation of bitumen concrete flue gas, simulate actual road surface simultaneously and build each stage flue gas release conditions, can be used to analyze smoke pollution characteristic, make up actual road surface and be difficult to effectively to gather the blank that flue gas carries out testing.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of smoke generating appts embodiment of the present invention;
Fig. 2 is the structural representation that bitumen concrete flue gas impurity of the present invention gathers simulation system one embodiment,
Fig. 3 is the structural representation that bitumen concrete flue gas impurity of the present invention gathers another embodiment of simulation system;
Fig. 4 is the structural representation that bitumen concrete flue gas impurity of the present invention gathers a simulation system embodiment again.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the structural representation of smoke generating appts embodiment of the present invention, and as shown in Figure 1, the method for the present embodiment can comprise: bitumen concrete mixes and stirs pot 1, be located at bitumen concrete mixes and stirs the cylinder 2 above pot 1 and be arranged on the top cover 7 at cylinder 2 top; The diameter that the diameter of cylinder 2 and bitumen concrete mix and stir pot 1 matches; And direction in cylinder 2, perpendicular to top cover 7 is provided with paddle 3, cylinder 2 sidewall is provided with air intake opening 5 and gas outlet 6, air intake opening 5 one end is connected with the high pressure air bottle of outside; The other end of air intake opening 5 inside cylinder 2 is connected with one end of wireway 4, and the other end of wireway 4 stretches to the bottom that bitumen concrete mixes and stirs pot 1.
The smoke generating appts of the present embodiment also comprises control panel (not shown), control panel is provided with temperature adjustment buttons, the pot nside that bitumen concrete mixes and stirs pot is provided with hot plate silk, temperature adjustment buttons is connected with hot plate silk, being heated to different temperature for controlling hot plate silk, mixing and stirring pot to make bitumen concrete and working in different temperature sections.The different actual scene of asphalt concrete pavement can be used for simulating more really by controlling different temperature sections.
It is good that the scheme of the present embodiment makes pitch mix and stir pot sealing in heating whipping process, and the flue gas of generation can discharge in a organized way, is conducive to follow-up fume collection.
The smoke generating appts of the present embodiment, mix and stir pot 1 by bitumen concrete, be located at bitumen concrete and mix and stir the cylinder 2 above pot 1 and be arranged on the top cover 7 at cylinder 2 top, and direction in cylinder 2, perpendicular to top cover 7 is provided with paddle 3, cylinder 2 sidewall is provided with air intake opening 5 and gas outlet 6, air intake opening 5 one end is connected with outside high pressure air bottle; The other end of air intake opening 5 inside cylinder 2 is connected with one end of wireway 4, and the other end of wireway 4 stretches to the bottom that bitumen concrete mixes and stirs pot 1.It is good that the scheme of the present embodiment makes bitumen concrete mix and stir pot 1 sealing in heating whipping process, and the flue gas of generation can discharge in a organized way, is conducive to follow-up fume collection, can measure pollutant component and content accurately; And then overcome actual road surface flue gas sampling and cannot prepare and the problem of flue gas release conditions in casting process bitumen concrete of can not simulating that accurately sampling determination causes by various factors restriction, achieve the preparation of bitumen concrete flue gas, simulate actual road surface simultaneously and build each stage flue gas release conditions, can be used to analyze smoke pollution characteristic, make up actual road surface and be difficult to effectively to gather the blank that flue gas carries out testing.
Further, in the smoke generating appts of the present embodiment, air intake opening 5 is not less than 120 ° with gas outlet 6 and the central angle of the axis of cylinder 2.Alternatively, the junction that cylinder 2 and top cover 7, cylinder 2 mix and stir edge on pot 1 with bitumen concrete is respectively arranged with high temperature resistant necklace.
Further, in the smoke generating appts of the present embodiment, between the high pressure air bottle of air intake opening 5 and outside, be provided with first-class gauge.This first-class gauge can be used for detecting and enter the flow that bitumen concrete mixes and stirs the air of pot 1, so that bitumen concrete is flowed out in follow-up combination mix and stir the flow of the flue gas that pot 1 flows out to judge that bitumen concrete mixes and stirs the sealing of pot 1.
Fig. 2 is the structural representation that bitumen concrete flue gas impurity of the present invention gathers simulation system one embodiment, as shown in Figure 2, the bitumen concrete flue gas impurity collection simulation system of the present embodiment can comprise: the smoke generating appts 10 as above shown in Fig. 2, impurity acquisition component 20 and surge flask 30; The smoke generating appts 10 of the present embodiment adopts above-mentioned smoke generating appts embodiment illustrated in fig. 1, with reference to the record of the smoke generating appts shown in above-mentioned figure, can not repeat them here in detail.
As shown in Figure 2, in the present embodiment, smoke generating appts 10 is connected with impurity acquisition component 20, because what import is flue gas, therefore, bitumen concrete flue gas preparation facilities 10 specifically can be connected by wireway with impurity acquisition component 20, and the flue gas flowed out the gas outlet of bitumen concrete flue gas preparation facilities 10 imports impurity acquisition component 20; Impurity acquisition component 20 is for gathering organism in flue gas or heavy metal; Impurity acquisition component 20 is connected with surge flask 30, in like manner, also can be connected by wireway, after the flue gas of impurity acquisition component 20 is fed in surge flask 30 and carries out pollutant process, discharges.
Be placed with damping fluid in such as, surge flask 30 in the present embodiment, this damping fluid is specifically as follows normal hexane.Gathered some impurity in flue gas due to impurity acquisition component 20 after, in this flue gas, also include the harmful material that some are poisonous, if directly discharge enters air, certain environmental pollution can be caused, serious conditions, the health of people can be affected.Therefore, the present embodiment needs to adopt surge flask 30 to hold certain damping fluid, after in flue gas, some poisonous organism adsorb, then is discharged by flue gas, effectively can to reduce in the pollution of flue gas and flue gas toxic pollutant to the harm of people.According to actual treatment demand, the quantity of the surge flask 30 in the present embodiment can be one or more, specifically can according to produce pollutant number decide, during preliminary discharge, simple detection can be done, if find that the flue gas of discharging does not meet industry standard, can pollution be there is, so just need the further adsorption fouling thing of quantity increasing surge flask 30.
Particularly, the quantity of the impurity acquisition component 20 in the present embodiment does not also limit, and according to how many appropriate increase and decrease numbers producing pollutant, can use different filtering agent instead, can effectively adsorb pollutant to be measured for different pollutant.
The bitumen concrete flue gas impurity of the present embodiment gathers simulation system, adopts design temperature cooling gas collection, by control temperature simulation bitumen concrete preparation and casting process flue gas production, can solve on-the-spot flue gas of building the road and accurately cannot collect the defect with calculation risk.
The bitumen concrete flue gas impurity of the present embodiment gathers simulation system, imports impurity acquisition component 20 by the flue gas of the gas outlet by bitumen concrete flue gas preparation facilities 10; Filtered fluid is placed with, for carrying out collecting by filtration to flue gas in impurity acquisition component 20; Impurity acquisition component 20 by the fume extraction after acquisition process to after surge flask 30 carries out pollutant process, discharge, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system, overcome actual road surface flue gas sampling cannot prepare and the problem of flue gas release conditions in casting process bitumen concrete of can not simulating that accurately sampling determination causes by various factors restriction, achieve the collection to bitumen concrete impurity, can be used to analyze smoke pollution characteristic, make up actual road surface and be difficult to effectively to gather the blank that flue gas carries out testing.
The technological process of the bitumen concrete flue gas impurity collection simulation system of the present embodiment is as described below:
1, aggregate and pitch are dropped into the bitumen concrete shown in Fig. 1 respectively after baking oven is preheated to required temperature and mix and stir pot 1, drop into breeze and other fillers under normal temperature simultaneously, the pot body that manipulation bitumen concrete mixes and stirs pot 1 rises and seals, set temperature is 200 DEG C and stirs 20min simultaneously, simulation bitumen concrete preparatory phase;
2, temperature is set as 165 DEG C by 200 DEG C, makes temperature freely be down to 165 DEG C by 200 DEG C, the simulation discharging stage;
3, temperature is set as 145 DEG C, make temperature be down to 145 DEG C by 165, simulated roadway paves the stage; Temperature is set as 80 DEG C, makes temperature freely be down to 80 DEG C by 145, simulation rolls the end of a period stage; Temperature is set to 50 DEG C, makes temperature freely be down to 50 DEG C by 80, the simulated roadway open last stage.The corresponding a collection of harvester of every one-phase, collects heavy metal contaminants and the organic contaminant of double teacher respectively.
Fig. 3 is the structural representation that bitumen concrete flue gas impurity of the present invention gathers another embodiment of simulation system, as shown in Figure 3, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system on the basis of above-mentioned technical scheme embodiment illustrated in fig. 2, specifically for collecting the beavy metal impurity in flue gas.
As shown in Figure 3, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system, the acquisition component of impurity shown in Fig. 2 20 can comprise filter membrane 201 and receiving flask 202, on the conduit that the gas outlet that wherein filter membrane 201 is positioned at bitumen concrete flue gas preparation facilities 10 connects, filter membrane 201 is for adsorbing the large particulate matter in flue gas, also can stick on the large particulate matter in flue gas due to heavy metal, so employing filter membrane 201 adsorbs the large particulate matter in flue gas, thus be convenient to test the heavy metal on large particulate matter.The filter membrane 201 of the present embodiment can adopt quartz fibre filter membrane, because oarse-grained particle diameter in the aperture of quartz fibre filter membrane and flue gas is similar or be less than particle diameter, by oarse-grained gas pollutant throttling on filter membrane 201, and then the heavy metal substance on the large particulate matter on filter membrane 201 can be measured.
Adsorbed the large particulate matter in flue gas through filter membrane 201 after, flue gas is imported receiving flask 202 by wireway, the mixed liquor that hydrogen peroxide and nitric acid aqueous solution form according to a certain percentage is housed in this receiving flask 202, for collecting the small particles thing in flue gas, in the present embodiment, mainly collect the heavy metal substance of small particles.The quantity of receiving flask is one or more, and the content of beary metal specifically collected as required is determined.To arrange two receiving flasks 202 in the present embodiment shown in Fig. 3.As shown in Figure 3, after receiving flask 202 has gathered heavy metal particles, the harmful organic substance in surge flask 30 pairs of flue gases adsorbs.
As shown in Figure 3, further, be provided with first-class gauge 11 in the present embodiment in smoke generating appts 10 between air intake opening and external high pressure air bottle, this first-class gauge 11 can be used for detecting and enter the flow that bitumen concrete mixes and stirs the air of pot 1; As shown in Figure 3, the wireway of the present embodiment also after surge flask 30 arranges second gauge 12, second gauge 12 can be used for detecting last flow of discharging the flue gas of bitumen concrete flue gas impurity collection simulation system, and the flow detected according to flow and the second gauge 12 of first-class gauge 11 detection like this can judge that bitumen concrete mixes and stirs the sealing of pot 1.In practical application, after second gauge 12 also can be arranged on the gas outlet of bitumen concrete flue gas preparation facilities 10, on the pipeline of other optional positions before flue gas is discharged.
Further, due to the existence of filter membrane 201, the discharge of flue gas may be very slow, in order to strengthen the discharge of flue gas, can after surge flask 30 pairs of fume treatment, the wireway end that discharge flue gas connects connects a vacuum air pump (not shown), for extracting flue gas, accelerates the discharge of flue gas.
The bitumen concrete flue gas impurity of the present embodiment gathers simulation system, the bulky grain heavy metal in flue gas is adsorbed by the employing filter membrane 201 be arranged on the wireway of the gas outlet of smoke generating appts 10, then employing receiving flask 202 collects the short grained heavy metal in flue gas, so that detect the heavy metal in flue gas, after finally again pollutant process being carried out to flue gas, discharge, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system, overcome actual road surface flue gas sampling cannot prepare and the problem of flue gas release conditions in casting process bitumen concrete of can not simulating that accurately sampling determination causes by various factors restriction, achieve the collection to bitumen concrete impurity, can be used to analyze smoke pollution characteristic, make up actual road surface and be difficult to effectively to gather the blank that flue gas carries out testing.
Fig. 4 is the structural representation that bitumen concrete flue gas impurity of the present invention gathers a simulation system embodiment again, as shown in Figure 4, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system on the basis of above-mentioned technical scheme embodiment illustrated in fig. 2, specifically for collecting the organic impurity in flue gas.
As shown in Figure 4, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system, and the acquisition component of impurity shown in Fig. 2 20 can comprise filter membrane 201 and the first absorbent module 204 and the second absorbent module 205.
On the conduit that the gas outlet that wherein filter membrane 201 is positioned at bitumen concrete flue gas preparation facilities 10 connects, filter membrane 201 is for adsorbing the large particulate matter in flue gas, also can stick on the large particulate matter in flue gas due to heavy metal, so employing filter membrane 201 adsorbs the large particulate matter in flue gas, thus be convenient to test the organism on large particulate matter.The filter membrane 201 of the present embodiment can adopt quartz fibre filter membrane, because oarse-grained particle diameter in the aperture of quartz fibre filter membrane and flue gas is similar or be less than particle diameter, by oarse-grained gas pollutant throttling on filter membrane 201, and then the organism that will detect on the large particulate matter on filter membrane 201 can be measured.The filter membrane 201 of the present embodiment is identical with above-mentioned filter membrane 201 function embodiment illustrated in fig. 3, with reference to above-mentioned record embodiment illustrated in fig. 3, can also not repeat them here in detail.
Adsorbed the large particulate matter in flue gas through filter membrane 201 after, wireway is divided into parallel two, a wireway is arranged in the first adsorption element 204 and can be provided with activated charcoal, may be used for absorption benzene alkene thing; Another wireway is arranged in the second adsorption element 205, second adsorption element 205 and can be provided with XAD-2, for absorbing multiring aromatic hydrocarbon.In practical application, the first adsorption element 204 and the second adsorption element 205 can transpositions.And be that to arrange two adsorption elements be example in the present embodiment, in practical application, also can an adsorption element be only set according to demand, or also can multiple adsorption element be set according to demand.After first adsorption element 204 and the second adsorption element 205 have gathered organic particle, respectively flue gas is imported in two surge flasks 30, the damping fluid that surge flask 30 fills is identical with above-mentioned Fig. 2 or damping fluid embodiment illustrated in fig. 3, adsorbs for the organism harmful to other in flue gas.
As shown in Figure 4, further, be provided with first-class gauge 11 in the present embodiment in smoke generating appts 10 between air intake opening and external high pressure air bottle, this first-class gauge 11 can be used for detecting and enter the flow that bitumen concrete mixes and stirs the air of pot 1; As shown in Figure 4, the present embodiment also arranges second gauge 12 respectively on the first adsorption element 204 and the wireway between the second adsorption element 205 and each self-corresponding impact damper 30, owing to there being two adsorption elements in the present embodiment, so need to arrange two second gauge 12.Second gauge 12 can be used for detecting last flow of discharging the flue gas of bitumen concrete flue gas impurity collection simulation system, can judge that bitumen concrete mixes and stirs the sealing of pot 1 like this according to the flow of first-class gauge 11 detection and the flow sum of two second gauge 12 detections.In like manner, in practical application, after second gauge 12 also can be arranged on the gas outlet of bitumen concrete flue gas preparation facilities 10, on the pipeline of other optional positions before flue gas is discharged.
Further, due to the existence of filter membrane 201, the discharge of flue gas may be very slow, in order to strengthen the discharge of flue gas, can after each surge flask 30 pairs of fume treatment, the wireway end that discharge flue gas connects connects a vacuum air pump (not shown), for extracting flue gas, accelerates the discharge of flue gas.
The bitumen concrete flue gas impurity of the present embodiment gathers simulation system, the bulky grain organism in flue gas is adsorbed by the employing filter membrane 201 be arranged on the wireway of the gas outlet of smoke generating appts 10, then the first adsorption element 204 and the second adsorption element 205 is adopted to collect short grained organism in flue gas, so that detect the organism in flue gas, after finally again pollutant process being carried out to flue gas, discharge, the bitumen concrete flue gas impurity of the present embodiment gathers simulation system, overcome actual road surface flue gas sampling cannot prepare and the problem of flue gas release conditions in casting process bitumen concrete of can not simulating that accurately sampling determination causes by various factors restriction, achieve the collection to bitumen concrete impurity, can be used to analyze smoke pollution characteristic, make up actual road surface and be difficult to effectively to gather the blank that flue gas carries out testing.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a smoke generating appts, is characterized in that, comprising: bitumen concrete mixes and stirs pot, be located at described bitumen concrete mixes and stirs the cylinder above pot and be arranged on the top cover of described barrel top; The diameter that the diameter of described cylinder and described bitumen concrete mix and stir pot matches; And in described cylinder, direction perpendicular to described top cover is provided with paddle, described cylinder side wall is provided with air intake opening and gas outlet, described air intake opening one end is connected with the high pressure air bottle of outside; The other end of described air intake opening inside described cylinder is connected with one end of wireway, and the other end of described wireway stretches to the bottom that described bitumen concrete mixes and stirs pot;
Described device also comprises control panel, described control panel is provided with temperature adjustment buttons, the pot nside that described bitumen concrete mixes and stirs pot is provided with hot plate silk, described temperature adjustment buttons is connected with described hot plate silk, being heated to different temperature for controlling described hot plate silk, mixing and stirring pot to make described bitumen concrete and working in different temperature sections.
2. device according to claim 1, is characterized in that, the central angle of the axis of described air intake opening and described gas outlet and described cylindric steel plate is not less than 120 °.
3. device according to claim 1, is characterized in that, described cylinder and described top cover, described cylinder and described bitumen concrete mix and stir the junction on edge on pot and be respectively arranged with high temperature resistant necklace.
4. device according to claim 1, is characterized in that, is provided with first-class gauge between described air intake opening and described high pressure air bottle.
5. bitumen concrete flue gas impurity gathers a simulation system, it is characterized in that, comprises as above claim 1-4 arbitrary described smoke generating appts, impurity acquisition component and surge flask; The gas outlet of described bitumen concrete flue gas preparation facilities is connected with impurity acquisition component, and the flue gas that the described gas outlet of described smoke generating appts is discharged is imported into described impurity acquisition component; Described impurity acquisition component is for gathering organism in described flue gas or heavy metal; Described impurity acquisition component is connected with described surge flask, after the flue gas of described impurity acquisition component is fed in described surge flask and carries out pollutant process, discharges.
6. system according to claim 5, is characterized in that, when described impurity acquisition component gathers organism, described impurity acquisition component comprises the adsorption element that activated charcoal or XAD-2 are housed.
7. system according to claim 5, it is characterized in that, when described impurity acquisition component gathers heavy metal, described impurity acquisition component comprises receiving flask, the mixed liquor of hydrogen peroxide and nitric acid aqueous solution is housed in described receiving flask, and the quantity of described receiving flask is one or more.
8. the system according to claim 5 or 6, is characterized in that, described gas outlet is provided with filter membrane between described impurity acquisition component, and described filter membrane is for adsorbing large particulate matter; Described filter membrane adopts quartz fibre filter membrane.
9. system according to claim 5, is characterized in that, after described gas outlet, the pipeline of the optional position before described flue gas is discharged also is provided with second gauge; Described system also comprises vacuum air pump, and described vacuum air pump is for extracting the flue gas after described surge flask process.
10. system according to claim 5, is characterized in that, the quantity of described surge flask is one or more, and is placed with damping fluid in described surge flask, and described damping fluid is normal hexane.
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| CN201510435100.1A CN105092316A (en) | 2015-07-22 | 2015-07-22 | Flue-gas generating device and asphalt-concrete flue-gas impurity acquisition simulation system |
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| CN105973742A (en) * | 2016-04-19 | 2016-09-28 | 中国石油化工股份有限公司 | Detection device and detection method for content of flue gas in asphalt |
| CN106840986A (en) * | 2017-01-09 | 2017-06-13 | 华中农业大学 | A kind of analogue means and method for studying the discharge of soil particle thing |
| CN108426816A (en) * | 2018-04-23 | 2018-08-21 | 成都瑞欣沥青科技有限公司 | A kind of system measuring pitch smokescope |
| 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 |
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| 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 |
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