CN104502544A - Simulation system for analyzing absorption to particulate matters by plants - Google Patents
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Abstract
The invention discloses a simulation system for analyzing absorption to particulate matters by plants and belongs to the technical field of treatment for the particulate matters in air. The simulation system comprises a particulate-matter circulation subsystem, an environment simulation subsystem, a particulate-matter absorption subsystem and a control subsystem, wherein the particulate-matter circulation subsystem comprises a simulation box, an air feeding box, an air exhausting pipe, a particulate-matter collection box and a first fan; the air feeding box, the air exhausting pipe and the particulate-matter collection box are respectively communicated with the simulation box, and the first fan is arranged on a box body of the simulation box; the environment simulation subsystem comprises a temperature control device, a humidity control device, an illumination control device and an artificial rainfall device; the particulate-matter absorption subsystem comprises the plants and a plant fixing plate; the control subsystem controls operations such as air feeding, the temperature, the humidity, illumination control, artificial rainfall and air exhausting control. The simulation system disclosed by the invention can realize accurate simulation for measuring the absorbing condition of the plants for the particulate matters in the air, and has important value and significance for practice.
Description
Technical field
The present invention relates to particulate in air treatment of simulated experimental technique field, particularly relate to a Plants to particle adsorption analysis simulation system.
Background technology
Along with the develop rapidly of economy, environmental problem also becomes increasingly conspicuous.At present, most of China area faces serious atmosphere polluting problem, brings directly to the healthy of people, serious damage, polluting in air except toxic gas, is the most also a large amount of gatherings of the particle beyond doubt of general public deepest feelings, namely haze.Particle not only causes serious impact to the respiratory tract etc. of people, and its each heavy metal species carried and other noxious materials, after absorption of human body, can produce even more serious destruction.So Particulate Pollution is administered very urgent.
As everyone knows, the green title being implanted with " city green lung " in city, surrounding city forest or urban inner afforestation forest can not only improve urban air-quality and living environment, the function such as there is visit, body-building, leisure, amusement, take precautions against natural calamities, also there is the effect of absorbed air pollutant, this point is under environment Chinese at present, and meaning is even more important.
But because plant itself is difficult to measure to the delay absorption of the particles such as PM2.5, the particles such as the how many PM2.5 of end energy tissue adsorptions that pollute be limited by from naturally different pollution source carry out Accurate Measurement.At present also not for research and better experiment and the experimental provision of particle in plant absorbed air.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide the plant of a kind of field use to particle adsorption analysis simulation system, this simulation system is by field real time modelling atmospheric environment and plant different parameters condition, the impact that analysis and research plant is adsorbed particle, come to analyze more accurately, for control haze provides beneficial reference.
The object of the invention is to be achieved through the following technical solutions:
One Plants, to particle adsorption analysis simulation system, comprising:
One particle recirculation subsystem, described particle recirculation subsystem comprises simulation box, inlet box, gas outlet, particulate collection case and the first fan, described inlet box, gas outlet are connected with simulation box respectively with particulate collection case, the first described fan is located on simulation box casing, wherein
Simulation box: box frame adopts alloy material, casing six faces adopt plastic plate, and one of them side can be opened, and box inside surface poly tetrafluoroethylene covers, and seals by silicagel pad;
Inlet box: comprise the first air pump and air inlet sampling box, the first air pump extracts air and particle thereof in scene to be determined, and mixed gas flow velocity to be measured is adjustable; Sampling in air inlet sampling box casing, to draw particle original concentration in environment;
Particulate collection case: collect the gas through simulation box absorption, is provided with in collecting box and samples and measure the device of air concentration;
One environmental simulation subsystem, described environmental simulation subsystem comprises:
Temperature control equipment, described temperature control equipment comprises heating unit and temperature sense-feedback-regulating command unit;
Humidity conditioner, described humidity conditioner comprises humidifying unit, humidity sensor and feedback control circuit;
Illumination control device, can arrange different intensity of illumination scenes, with corresponding with reality scene, and can according to instruction, free handoff scenario;
Artificial rain device, described artificial rain device is positioned at casing top center position, can provide different rainfall intensity according to instruction;
One particle absorption subsystem, described particle absorption subsystem comprises plant and plant fixed head, and plant is fixed on plant fixed head;
One control subsystem, described control subsystem comprises control panel, control panel is integrated with air inlet, temperature humidity, illumination control, rainmaking and exhaust gas control unit, described control panel is located at casing dead ahead, and control panel is provided with display screen, temperature, humidity regulation button, wind speed adjustment button, Illumination adjusting button and rainfall and regulates knob.
By the technical scheme of the invention described above, simulation system of the present invention is reasonable in design, structure is simple, and can accurately manual simulation's DIFFERENT METEOROLOGICAL CONDITIONS and plant conditions, and directed autotelic fine setting is carried out to meet testing requirements to various parameter, and then the particle situation accurately measured in plant absorbed air, for control haze provides beneficial reference.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment structural representation of simulation system of the present invention;
Fig. 2 is a kind of embodiment structural representation of simulation box of the present invention;
Fig. 3 is a kind of embodiment structural representation of dragging track of the present invention;
Fig. 4 is the structural representation that plant fixed head of the present invention is installed on dragging track;
Fig. 5 is a kind of embodiment structural representation of plant fixed head of the present invention;
Fig. 6 is the process flow diagram of the analogue experiment method adopting present system.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
Technical scheme of the present invention is mainly applicable in the wild on the traverse measurement system of different plant on the particle adsorbances such as PM2.5 and impact, complete the relationship analysis of the particles such as main Typical Forest vegetation pattern (the different age of stand, density, canopy density etc.) and PM2.5, and the impact that (as temperature, humidity and illuminance) plant is adsorbed Atmospheric Grains under DIFFERENT METEOROLOGICAL CONDITIONS, and relate to the concentration monitor of the Atmospheric particulates of different location.
As shown in Figure 1, one Plants is to particle adsorption analysis simulation system, it comprises: particle recirculation subsystem 100, environmental simulation subsystem 200, particle absorption subsystem 300 and a control subsystem 400, wherein, control subsystem 400 controls the operation of particle recirculation subsystem 100, environmental simulation subsystem 200 and particle absorption subsystem 300 as control center, and it is inner that particle absorption subsystem 300 is located at particle recirculation subsystem 100.
Concrete, as shown in Figure 2, described particle recirculation subsystem 100 comprises simulation box 101, inlet box 21, gas outlet 23, particulate collection case 24 and the first fan 41, described inlet box 21, gas outlet 23 are connected with simulation box 101 respectively with particulate collection case 24, and the first described fan 41 is located on simulation box 101 casing.Atmospheric Grains (mixed gas to be measured) delivers to simulation box 101 by the first air pump, under the Meteorological Elements in China preset (humiture, illuminance etc.), by experiment setting variety classes and density forest adsorb, finally by gas outlet 23, be transported in particulate collection case 24.Wherein,
Simulation box 101: box frame adopts alloy material, casing six faces adopt plastic plates, and one of them side 11 can be opened, and namely side 11 can be designed to the door split, outside the middle part of side 11, be provided with door handle 71, door can be opened easily by door handle 71.Box inside surface poly tetrafluoroethylene covers, and with silicagel pad sealing, to ensure the accuracy of simulated experiment data.
Inlet box 21: inlet box 21 is connected with simulation box 101 by pipeline 22, inlet box 21 comprises the first air pump and air inlet sampling box, first air pump extracts air and particle (i.e. mixed gas to be measured) thereof in scene to be determined, mixed gas flow velocity to be measured is adjustable, and makes setting flow velocity; Sampling in air inlet sampling box casing, to draw particle original concentration in environment.Meanwhile, in order to study further different diameter airborne particle by absorption situation, can utilize more professional particle cutting head replace described in the first air pump (i.e. asepwirator pump).
Particulate collection case 24: the gas adsorbed through simulation box 101 collected by particulate collection case 24, is provided with in collecting box 24 and samples and measure the device of air concentration.The absorption of particle forest in simulation box, its concentration is inevitable greatly be reduced, by the sampling in collecting box 24 and the device measuring air concentration sample and measure its concentration, just can learn the actual conditions of plant adsorption particle thing.
First fan 41: for providing the air-flow continuing flowing, and air velocity is controllable.First fan 41 is installed on side, gas outlet, and gas outlet can be connected with receiving apparatus with waste gas.
Described environmental simulation subsystem 200 is for the environment of simulating reality, and make the environment in simulation box 101 controllable and be convenient to measure, described environmental simulation subsystem 200 comprises:
Temperature control equipment, described temperature control equipment comprises heating unit and temperature sense-feedback-regulating command unit.Temperature control equipment according to China's most area temperature regime and plant growth temperature required, design temperature scope can be selected: 5 DEG C-50 DEG C to be, and can Real-Time Monitoring temperature.This device can be located at side, simulation box 101 casing top, can realize being adjusted to temperature required in real time according to input instruction.
Humidity conditioner, described humidity conditioner comprises humidifying unit, humidity sensor and feedback control circuit.Humidity conditioner humidity regulation scope: 10%-90%RH; This device can be located at side, simulation box 101 casing top, can realize being adjusted to desired moisture level intensity according to instruction.
Temperature control equipment and humidity conditioner can be located at the right and the left side of the upside of simulation box casing respectively, and can adjust different humitures to verify the impact of plant on particle.
Illumination control device, can arrange different intensity of illumination scenes, with corresponding with reality scene, and can according to instruction, free handoff scenario.Illumination control device can select to arrange the intensity of illumination scene different from night two on daytime.
Artificial rain device 51, described artificial rain device 51 is positioned at casing top center position, can provide different rainfall intensity according to instruction; Artificial rain device 51 controlled by control panel 31, can control to provide different rainfall intensity by control panel.In order to reclaim rainwater, described simulation system also comprises rainwater-collecting groove, and described rainwater-collecting groove is located at the below of simulation box 101 box house 15.
As shown in Fig. 3, Fig. 4 and Fig. 5, described particle absorption subsystem 300 comprises plant and plant fixed head 91, and plant is fixed on plant fixed head 91.The top of rainwater-collecting groove is slidably located at by described plant fixed head 91, described plant fixed head 91 is made up of upper and lower two-layer 92 plastic plates with holes, often opening plastic plate is embedded in the relative groove of dragging track 81, can slide anteroposterior, two sides 12 that described dragging track 81 is located at simulation box 101 casing adjacent with opening side 11 are inner.
Plastic plate is interval with certain multiple circular hole 92, convenient fixing different forest branch (plant).
The selection of plant is very important.Different plants has different adsorption effect, and the difference of southern and northern plant also to which kind of plant tool of selection has a great impact.As for North City, just cannot select the southern plant that blade face is larger, can only select in the plant being suitable for being grown on the north; Vice versa.Main selection at present in the north or Shelter in South China Cities a large amount of plant existed to different scene in the adsorption effect of particle, and the setting of density also needs to conform to reality.
Described control subsystem 400 comprises control panel 31, and control panel 31 is integrated with the control modules such as air inlet, temperature humidity, illumination control, rainmaking and exhaust gas control unit, is the control core of this simulation system.Described control panel 31 is located at simulation box 101 casing dead ahead, and control panel 31 is provided with display screen, temperature, humidity regulation button, wind speed adjustment button, Illumination adjusting button and rainfall and regulates knob.
Whole system control module is integrated on one piece of electrical control panels 31, is positioned over casing dead ahead, handled easily.
Described simulation system also comprises waste gas recovering device, and described waste gas recovering device is connected with simulation box, and the waste gas of discharging for absorbing simulation box is avoided secondary pollution occurs.
As shown in Figure 3, described simulation system also comprises the second fan 26, and the second described fan 26 is located at simulation box 101 casing and can be opened on the air intake opening 25 of adjacent inside, a side 12, side.Air intake opening 25 can be established two or more, corresponding, the second fan 26 is also established two or more, and multiple air intake opening 25 can connect the first air pump to collect the pollutant mixed gas of separate sources.
In order to realize movably testing in multiple area, described simulation system also comprises mobile system, and described mobile system comprises multiple universal wheel 61, and described multiple universal wheels 61 are located at simulation box 101 bottom half.
In order to realize effective brake, described multiple universal wheels 61 are provided with brake gear 62, described brake gear 62 is located at and is positioned on two universal wheels 61 of the same side.The selectable number of universal wheel 61 4, can tap a rubber tree tire, and convenient motion, reduces concussion.
Conveniently mobile box, is provided with two handles 72 at case top.Meanwhile, time two handles 72 can make moving vehicle, determine stress point, prevent from destroying casing.
Meanwhile, the means of transport supporting with this simulation system is also needed, such as automobile etc. when testing; And be positioned at the particle test sample instrument etc. of laboratory or monitoring center.
The problem that this simulation system mainly solves is: utilize different real atmosphere particle environment naturally (one of this to be also this Operation system setting be removable form is considered), add the different atmospheric environments and plant different parameters that simulate in simulation box, measure plant under these conditions with this, on difference naturally particle absorption impact.
On this basis, the analysis of the lot of experimental data drawn by this simulation system, construction is planted or the green of Xincheng District is planted in planning in city critical area green, using plant to the power of air particle adsorptive power as one of principal element considered, the woods density chosen suitable plant and be applicable to, and retain former scape, become an effectively complementary behave for science of local pollution administration.
Specific embodiments: by this simulation system in 4 of 4 different cities kinds of different scenes, different plants, under multiple atmospheric conditions, is measured particle absorption situation, and drawing can for the data analyzed, and the docimasiology through authoritative department is reasonable.Apply in this professional R&D institution so further.
In sum, urban afforestation woods and periphery forest have the effect of adsorb atmospheric particle, and under making new condition, how scientific and reasonable layout greening, different regions woods density and seeds, and how humidity etc. controls, become a new research topic.Rationally address this problem, likely the particle of city and outskirts is administered and produce good effect, and there is high cost performance.
So the technological core of this simulation system is: by polluting in scene in difference, by the data analysis drawn Atmospheric particulates simulated experiment, science is selected and layout urban afforestation woods and surrounding city forest, more fully and scientifically to play its retardance and to adsorb the effect of city particle.
The using value of this simulation system shows: according to the experimental result of this simulation system, in city, green planting in construction adds new thought, namely construction is planted in city critical area green or the green of Xincheng District is planted in planning, using plant to the power of air particle adsorptive power as one of principal element considered, the woods density chosen suitable plant and be applicable to, on the basis retaining former landscape function and clean-up effect, improve green ability of planting adsorption particle thing, increase its function affect.Under China's control atmosphere pollution broad perspectives policy and approaches, become an effectively complementary behave for science of local pollution administration.
Specific embodiments is as follows:
One, initial option:
Experiment scene is selected: the Urban Streets that flow of the people is large, as shopping mall, commercial square, cinema, hospital and school etc., feature is that flow of the people is large, and vehicle relatively less or do not have, the atmosphere pollution of discharge is mainly periphery food and drink kitchen flue gas, and periphery transportation emission; The urban loop that vehicle flowrate is large or both sides, intercity expressway, feature is that vehicle flowrate is large, and motor vehicle exhaust emission is serious, and be one of main source of urban atmospheric pollution, flow of the people is few; Urban life district, as residence district, sanatorium and park etc., feature is semi-enclosed relatively independent, and except part kitchen flue gas and cell portion heating can produce except waste gas, the pollutant of discharge is relatively less; There is the city industrial area of contamination industry, as chemical plant, the industrial park of the high pollution industries such as the heavy industry such as coal, steel mill and firepower electrical plant, feature is that Air Pollutants Emissions is huge, and the emission of different industries has larger difference, it is the main source of the overall atmospheric pollution of China.Wherein, our primary study to as if: urban loop and both sides, intercity expressway, and near high pollution industry factory building.
Choice of experimental conditions: involved experiment condition comprises: temperature, humidity, illumination, wind speed and plant select totally 5.Due to research to as if different plant under different scene particle absorption situation analysis, so plant is selected to be the emphasis studied, in the process choosing plant, the principle followed makes full use of that the city of extensively having planted at present is green plants, and add upper part at present a large amount of plantation but there is the plant of great potential, and the ratio of both controls the ratio 3: 1, to increase the practicality of project.
The imagination parameter of every test condition of experimental design is as following table:
Wherein:
Humidity: 10%, 30%, 60%, 90%RH and rainfall totally 5 groups of data;
Temperature: 15 DEG C, 30 DEG C and 40 DEG C totally 3 groups of data;
Illumination: 100lx and 10000lx, respectively corresponding daytime and night 2 groups of data;
Wind speed: 0.2m/s, 5m/s and 10m/s, respectively corresponding calm, middling speed wind and high wind totally 3 groups of data;
Plant is selected: choose the plant that 15 kinds of southern and northern cities are generally planted, as willow, willow, ginkgo, kapok etc., and the plant 5 kinds generally do not planted, altogether 20 groups of data.
Two, specific embodiments is as shown in Figure 6:
Selection experimental field: according to Chinese geography distribution situation, primary prospect chooses Beijing, Wuhan, Shanghai and area, four, Guangzhou as this enforcement area.
Step S1, prepares test material:
Experimentally Project design drawing, produces 4-6 group simulation box;
Prepare the Fresh Plants of about 5 kinds local mainly plantations, and 1-2 kind is applicable to weather still not a large amount of plant planted at that time.These plant all require to preserve enough good metabolic state, preferably sample newly to win or excavate in first 24 hours;
For sample devices and the consumptive material of particle sampling, mainly comprise atmospheric sampling airbag, gas collection pump, sampling membrane, filter membrane case, sampling probe etc.Quantity decides by needing the data count gathered;
For recording electronic equipment or the papery instrument of data, comprise pocket pc, counter, enough experimental records basis and equipments of recording;
The test planning put in order in advance and step;
Can the vehicles of transport test simulation box (hereinafter referred to as chamber), can lease or employ small enclosed lorry;
Other article that enough experimenters and experimenter should carry.
Step S2, chooses experimental site:
According to planning experiment in advance, the test site selected should be positioned at this four places, and numbering A, B, C, D respectively, if the test site number > 1 of identical type is chosen in same city, then after numbering, add suffix 1,2,3, wait expression, as A1, A2 etc., specifically comprise:
The shopping centre (A) that the stream of people concentrates;
The urban loop that vehicle flowrate is large and both sides, intercity expressway (B);
Urban life district (C);
Urban district or high pollution industry garden, suburbs (D).
Experimental site selection principle: ground even, is suitable for placing chamber; Non-wagon flow or the stream of people through ground, must ensure experimenter's safety; Non-exclusion area, to ensure that instrument can be laid for a long time; Near pollution source, and the region of contaminated source impact; From typical plant 5-10m distance, to eliminate the interference that there is plant; Reminder flag is put near sampled point; Need before sampling to link up with regulatory authorities to put on record, to obtain local support; In sampling process, the every facility of local periphery need be protected.
Step S3, arranges simulation system:
Chamber and relevant device and personnel enter experimental site, and it is appropriate to install every experimental facilities according to requirement of experiment, needs the part of electricity consumption, need connect local electric power system in advance or provide electrogenesis device for oneself.
Step S4, experimentally requirement, carry out sampling analysis:
First, gather and determination test place particle concentration, as experiment contrast data below.This test chooses PM2.5 as measuring object, below involved particle concentration, all represent local PM2.5 concentration, and be abbreviated as P, and following (for Beijing): P (the BJ-A1)=103mg/m3 of record.
For before distinguishing plant absorption further and after absorption, represent particle concentration and the rear particle concentration of plant absorption before plant absorption with P0 and P1 respectively, then above-mentioned statement should be respectively: P0 (BJ-A1) and P1 (BJ-A1).
Different according to plant kind, sampled data is divided into 6 large groups, the corresponding plant of each group data, and numbering 1,2,3,4,5,6;
In numbering 1 group, number as follows respectively to three groups of meteorologic parameters:
Temperature: a, b, c
Humidity: 01,02,03,04,05
Wind speed: 001,002,003
Thus, in each group, the data number gathered is needed to be 3*5*3=45, the mode that record numbering and form combine, following (for above-mentioned Beijing area): P1 (the BJ-A1-1-a-1-01)=58mg/m of numbering
3, in each test scene, need measurement 6 plant data, so in an experiment scene in certain city, need the data measured to be 6*45=270.Each DATA REASONING is spaced apart 30min, after namely every test parameters is ready to, at particulate collection case Sampling particles thing after equipment operation 30min, measures and records its concentration.Therefore, an experiment scene needs the time of 270*0.5=135h, considers the problem of reality sampling, and a scene estimates that the test sample time is 15-20d.Design parameter coding schedule is as follows:
Step S5, single scene particle concentration measure and analyze:
Because each spot sampling time is long, make concentrated test sample become difficulty, so this experiment utilizes online particle size analyzer, the direct measurement in scene is carried out to Atmospheric Grains concentration before and after treatment.Particulate size analyzer connects PC, measures in real time and storage data.After treatment, utilize the experimental data of software to same experiment scene to analyze, draw 3 plants of adsorption effect optimum under this scene, and the meteorological condition of correspondence.
Like this, form the experimental results report on single scene ground, and enclose detailed experimentation and experimental data, and analytical approach and analytic process, for entirety report is prepared.
Step S6, the different scene particle in same city measure and analyze:
According to the method for above-mentioned steps S1 to step S5, with this Atmospheric particulates situation of change in B, C, D scene measured and record and analyze corresponding experimental data, drawing the laboratory report in step S5.On the basis of summing up these reports, form the plant-particle adsorption effect report of this city integrated character.Report enumerates Detailed Experimental process and the experimental data of different scene respectively, and the experiment conclusion of different scene.
Step S7, experiment terminate, and enter practical stage
According to the overall laboratory report in this city, consider this report to submit gardens green bureau or relevant departments, greening part instruction is provided.
The practicality of this simulation system and test method thereof shows:
Foundation is reported as with above-mentioned, in city, green planting in construction adds new thought, namely in city, construction is planted or the green of Xincheng District is planted in planning in above-mentioned critical area green, using to the power of air particle adsorptive power as one of principal element considered, the woods density chosen suitable plant and be applicable to, on the basis retaining former landscape function and clean-up effect, improve green ability of planting adsorption particle thing, increase its function affect.Under China's control atmosphere pollution broad perspectives policy and approaches, become an effectively complementary behave for science of local pollution administration.
The key technical indexes when experimental project completes sees the following form:
This experimental project mainly utilizes simulation system of the present invention and the distributed data drawn of sampling on a large scale, study the different plant in city to Atmospheric particulates adsorption levels, and experimentally result instructs the green reconstruction of planting in city and optimization, to utilize the green Environmental function of planting in city to greatest extent.
Technical scheme of the present invention can play a multiplier effect to the improvement of local pollutant, maximum regulation effect is reached by minimum input, once significant exploration under the environmental improvement measure of the complicated environmental problem of China and effect extreme difference faced by being and trial, have huge directive significance and reference value.Meanwhile, it also has huge environment value.Hundreds of millions of funds can be saved for government, also can bring practical visible effect for the life of periphery people, realize the object of achieving many things at one stroke.
The beneficial effect of technical solution of the present invention is as follows:
(1) can accurately manual simulation's DIFFERENT METEOROLOGICAL CONDITIONS and plant conditions, and directed autotelic fine setting is carried out to meet testing requirements to various parameter;
(2) this simulation system is movable outdoor type, ambient scene can be transported to, make full use of outdoor Real-Time Atmospheric particle condition, test, what considerably increase test is adjacent to actual property, the data produced also science more, administer atmospheric environment to reality and more have directiveness, the main body of this simulation system is a containment housing, and casing has mobile universal wheel, can be positioned in container vehicle, be convenient to traverse measurement.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
1. a Plants is to particle adsorption analysis simulation system, it is characterized in that, comprising:
One particle recirculation subsystem, described particle recirculation subsystem comprises simulation box, inlet box, gas outlet, particulate collection case and the first fan, described inlet box, gas outlet are connected with simulation box respectively with particulate collection case, the first described fan is located on simulation box casing, wherein
Simulation box: box frame adopts alloy material, casing six faces adopt plastic plate, and one of them side can be opened, and box inside surface poly tetrafluoroethylene covers, and seals by silicagel pad;
Inlet box: comprise the first air pump and air inlet sampling box, the first air pump extracts air and particle thereof in scene to be determined, and mixed gas flow velocity to be measured is adjustable; Sampling in air inlet sampling box casing, to draw particle original concentration in environment;
Particulate collection case: collect the gas through simulation box absorption, is provided with in collecting box and samples and measure the device of air concentration;
One environmental simulation subsystem, described environmental simulation subsystem comprises:
Temperature control equipment, described temperature control equipment comprises heating unit and temperature sense-feedback-regulating command unit;
Humidity conditioner, described humidity conditioner comprises humidifying unit, humidity sensor and feedback control circuit;
Illumination control device, can arrange different intensity of illumination scenes, with corresponding with reality scene, and can according to instruction, free handoff scenario;
Artificial rain device, described artificial rain device is positioned at casing top center position, can provide different rainfall intensity according to instruction;
One particle absorption subsystem, described particle absorption subsystem comprises plant and plant fixed head, and plant is fixed on plant fixed head;
One control subsystem, described control subsystem comprises control panel, control panel is integrated with air inlet, temperature humidity, illumination control, rainmaking and exhaust gas control unit, described control panel is located at casing dead ahead, and control panel is provided with display screen, temperature, humidity regulation button, wind speed adjustment button, Illumination adjusting button and rainfall and regulates knob.
2. simulation system according to claim 1, is characterized in that, also comprises waste gas recovering device, and described waste gas recovering device is connected with simulation box, for absorbing the waste gas that simulation box is discharged.
3. simulation system according to claim 1, is characterized in that, also comprises the second fan, and the second described fan is located at simulation box casing and can be opened an adjacent lateral inner of side.
4. simulation system according to claim 1, is characterized in that, the first described air pump is replaced by particle cutting head.
5. simulation system according to claim 1, is characterized in that, also comprises rainwater-collecting groove, and described rainwater-collecting groove is located at the below of simulation box box house.
6. simulation system according to claim 5, it is characterized in that, the top of rainwater-collecting groove is slidably located at by described plant fixed head, described plant fixed head is made up of upper and lower two-layer perforated plastic plate, often opening plastic plate is embedded in the relative groove of dragging track, can slide anteroposterior, described dragging track is located at simulation box casing and can be opened two adjacent lateral inner of side.
7. simulation system according to claim 1, is characterized in that, also comprises mobile system, and described mobile system comprises multiple universal wheel, and described multiple universal wheels are located at simulation box bottom half.
8. simulation system according to claim 7, is characterized in that, described multiple universal wheels are provided with brake gear, and described brake gear is located at and is positioned on two universal wheels of the same side.
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| CN104777082A (en) * | 2015-04-14 | 2015-07-15 | 首都师范大学 | Device and method for detecting motor vehicle exhaust |
| CN104777083A (en) * | 2015-04-28 | 2015-07-15 | 东北林业大学 | Automobile exhaust PM2.5 detection device and method |
| CN105891424A (en) * | 2016-05-26 | 2016-08-24 | 浙江农林大学 | Device and method for screening optimal plants with air purification capacity |
| CN106248887A (en) * | 2016-10-10 | 2016-12-21 | 南京林业大学 | A kind of smoke the experimental provision that gas is coerced for plant is carried out PM2.5 |
| CN107014966A (en) * | 2017-06-15 | 2017-08-04 | 贵州省林业科学研究院 | Plant absorbs and retain particulate matter dynamic process and the assay method for the amount of absorbing and retaining |
| CN108398525A (en) * | 2018-01-16 | 2018-08-14 | 国家林业局竹子研究开发中心 | A kind of manual simulation's device for measuring haze environment and growth state being influenced |
| CN110057984A (en) * | 2019-05-24 | 2019-07-26 | 吉林大学 | A kind of plant air pollution model device and its application method |
| CN110352749A (en) * | 2019-06-11 | 2019-10-22 | 浙江大学 | One kind is for making plant be only exposed to PM2.5Or PM1Culture apparatus |
| CN113082941A (en) * | 2021-04-09 | 2021-07-09 | 成都中科绿生环境科技有限公司 | Application of polytetrafluoroethylene composite material in deodorization effect evaluation device |
| CN114034822A (en) * | 2021-12-01 | 2022-02-11 | 河北农业大学 | Experimental device for simulating influence of atmospheric sedimentation on plants |
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