CN104535714A - Device for assessment of dust-haze air cleaning effect of plant through growth condition control - Google Patents
Device for assessment of dust-haze air cleaning effect of plant through growth condition control Download PDFInfo
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- CN104535714A CN104535714A CN201410683085.8A CN201410683085A CN104535714A CN 104535714 A CN104535714 A CN 104535714A CN 201410683085 A CN201410683085 A CN 201410683085A CN 104535714 A CN104535714 A CN 104535714A
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides a device for assessment of dust-haze air cleaning effect of a plant through growth condition control, the device includes a 4 m*4 m * 4 m test case, the test case is internally provided with light equipment, an air conditioner and a humidifier; the test case is internally provided with an air suspended particle density measurement instrument, an air carbon dioxide concentration measurement instrument, a temperature detection instrument and a light intensity tracking instrument. BY use of the instruments, temperature and humidity inside the test case can be controlled, the test case is internally provided with fertile soil with the thickness of 300mm, and the plant is planted. In the experimental process of the device, experiment is performed by single variable experimental method, the air purification effect of different tree species in the illumination, temperature, humidity and other conditions can be respectively measured, a corresponding curve graph can be obtained, a corresponding model is established, by input of tree specie, temperature, illumination and other factors, air purification capacity of different forest green lands can be directly forecasted.
Description
Technical field
The invention belongs to and belong to ecological engineering and ecological regulation and control technical field, be specifically related to a kind of apparatus and method evaluating plant purification ability.
Background technology
Air quality worsens, and haze weather occurs having had a strong impact on the daily life of people in each big and medium-sized cities of China again and again.Haze is a kind of diastrous weather, all produces material impact to highway, railway, aviation, shipping, electric power system, crop growth etc.Mist, haze can cause air quality to decline, and influence ecological environment brings larger harm to health.When mist, haze weather, often with bacterium and virus in air, infectious disease is easily caused to spread and various diseases generation.City Air Contamination thing not easily spreads, and has increased the weight of the toxicity of the materials such as sulphuric dioxide, carbon monoxide, oxides of nitrogen, has been detrimental to health.When meeting mist, haze weather winter, if meet air pollution seriously may form the malicious mists such as flue dust (mist) or black smog, the life and health of serious threat people.Because mankind's activity causes pollutant in air to increase, occurrence frequency and the intensity of some areas mists such as China manufacturing district and downtown area, haze are increase trend.
In the last few years, environmental administration actively advocated and adopts the method for green ecological to carry out air treating, was purified air by plant.But green plants is to the but neither one quantification all the time of the virtual rating size of purification of air.By the air index of zones of different (with or without green vegetation), people can only determine that vegetation is have clean-up effect to haze air really.At this, this cover experimental provision that we propose and method can fill this part blank, by accurately controlling the growth conditions of plant, test out plant to air-filtering ability size, and data quantize by experiment.
When carrying out Research of Environmental Sciences, some accurate indexes are usually needed to provide scientific basis.Time as tested the detergent power of different forest farm to air, we need to obtain one accurately data to judge that each forest farm purifies air capacity of water.We can not make the judgement of a science in default of every data before this.At present do not make a set of equipment specifically quantize the adsorbing technology of plant by accurately controlling plant growth in disclosed technology.
Recently, in test vegetation adsorptive power, present inventors have proposed this new device, case accurately controls vegetation growth state by experiment, utilizes the suction-operated of plant to purify air, utilizes the detection number of degrees of instrument, quantize the suction-operated of vegetation.This experimental provision, not only can verify vegetation absorption haze ability, under can also accurately measuring varying environment, plant is to the size of suspended particle, sulphuric dioxide, nitrogen oxide absorbent ability in air, and plant saturated adsorption value, small suspended particle reduction in air, vegetation is to relevant experimental data such as the sulphuric dioxide rates of adsorption in air.
Summary of the invention
For the weak point that this area exists, the object of the invention is to propose a kind of passing through and control growth conditions assessment plant to the device of gray haze Air purification.
Another object of the present invention proposes by controlling growth conditions assessment plant to the method for gray haze Air purification.
For the technical scheme realizing above-mentioned purpose of the present invention is:
By controlling growth conditions assessment plant to a device for gray haze Air purification,
Described device comprises the chamber of 4 meters × 4 meters × 4 meters, and experiment tank wall adopts transparent material to be made, and ensures that experimental box can not deform at certain temperature difference, draught head.Being disposed by experimental box can in the environment of controlled light intensity, light irradiation time and temperature constant in one.Light irradiation apparatus, Full-automatic temperature humidity controller are set in chamber; Airborne suspended particle penetron, air carbon dioxide concentration measurement instrument, temperature testing equipment and intensity of illumination tracking equipment are set in chamber.
Use instrument, the temperature of Control experiment case inside and humidity.Be furnished with the soil of 0.3 meter of thickness in chamber, and isolate 0.5 meter of spacing cultivated plant, ensure that sufficient light supply and water supply make vegetation normal growth.
Wherein, described illumination methods is that daylight and LED combine.
Preferably, described chamber has four, is respectively arranged with A, B, C, D tetra-kinds of vegetation: A group shrub adds arbor in chamber; B group shrub; C group arbor; D group control group, not planting plants.
Wherein, the planting distance of planting in described chamber is 0.5 meter.CO is provided with in described chamber
2pass into pipeline; The gradient of soil is 0.03%, and the type of soil is sandy soil.
A kind of by controlling growth conditions assessment plant to the method for gray haze Air purification, adopt the device that the present invention proposes, the air sample (be collected in PM2.5 and be greater than 250 areas) gathered in the serious district of air pollution is passed in experimental box, particle index is the air (having measured the particle index in air) of pm2.5, pm1 or pm0.5, single argument mode is adopted to test, through 6 hours, observe the change of each index in air, thus reach research under controllable condition vegetation to air in the treatment effect of small suspended particle.
Wherein, CO in chamber
2content is 0.03%, and temperature is 20 ± 3 DEG C, and humidity is 35%, and intensity of illumination is 30,000 luxs.
Wherein, by measuring the change of small suspended particle numerical value in chamber, the ability that unit area vegetation purifies air is determined.
Beneficial effect of the present invention is:
The experimental provision that the present invention proposes can provide default data for the research that purification of air is relevant with method.The device proposed in the present invention carries out in the process of testing, tested by univariate experimental technique, under can measuring the conditions such as illumination, temperature, humidity respectively, different tree species is to the size of Air purification, and corresponding curve map can be drawn, set up corresponding model, by factors such as input seeds, temperature, illumination, directly the air-filtering ability in greenery patches, different forest farm is predicted.
Accompanying drawing explanation
Fig. 1 is the structural drawing of apparatus of the present invention.In figure, 1, casing; 2, chamber door; 3, air intake opening; 4, gas outlet; 5, instrument; 6, plant; 7, soil horizon.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In embodiment, if no special instructions, the method used is the method for this area routine.
Embodiment 1
By controlling growth conditions assessment plant to the device (as Fig. 1) of gray haze Air purification, described device comprises the test box body of 4 meters × 4 meters × 4 meters, experiment tank wall adopts transparent material to be made, and ensures that experimental box can not deform at certain temperature difference, draught head.Being disposed by experimental box can in the environment of controlled light intensity, light irradiation time and temperature constant in one.Light irradiation apparatus, Full-automatic temperature humidity controller are set in chamber; In chamber, air quality detecting device is set.Chamber arranges air intake opening 3 and gas outlet 4, for passing into the air sample gathered in the serious district of air pollution in experimental box, has namely measured the air of pm2.5, pm1, pm0.5 in air.Instrument 5 in chamber comprises airborne suspended particle penetron, air carbon dioxide concentration measurement instrument, temperature testing equipment and intensity of illumination tracking equipment.Device internal fixtion equipment use aluminum clip.
Use instrument, the temperature of Control experiment case inside and humidity.Be furnished with the sandy soil of 300mm thickness in chamber, and isolate 0.5 meter of spacing cultivated plant 6, ensure that sufficient light supply and water supply make vegetation normal growth.
Illumination methods is that daylight and LED combine.
In chamber, vegetation is set: A group shrub adds arbor: france mongolicus and cypress (shoot);
Be provided with in chamber for CO
2pass into pipeline; The gradient of soil is within 3%, and the type of soil is sandy soil.
Test:
The air sample (gather with in first 48 hours of experiment, and measured the air of pm2.5, pm1, pm0.5 in air) gathered in the serious district of air pollution is passed in experimental box.Observe the change of air index, thus reach research under controllable condition vegetation to air in the treatment effect of small suspended particle.
CO in fixation test case
2content is 0.03%, and temperature is 20 ± 3 DEG C, and humidity is 35%, and intensity of illumination is 30,000 luxs.
Place experimental box, open chamber door, bottom case, arrange soil horizon, then in soil horizon, arrange plant, give normal illumination condition and plant food, moisture.Illuminator and air quality surveying instrument is arranged in case.When after plant normal growth, close chamber door, in air intake opening, be filled with contaminated air, be full of rear closedown air intake opening and gas outlet.Experimental box is left standstill, the change of observation experiment instrument readings and experimentally the instrument number of degrees are made time m-pollutant component record experimental data.
Embodiment 2
The structure of chamber and equipment are with embodiment 1.
In chamber, vegetation is set: B group shrub, adopts france mongolicus.
Test:
The air sample (gather and test in first 48 hours, and measured the air of pm2.5, pm1, pm0.5 in air) gathered in the serious district of air pollution is passed in experimental box.Observe the change of air index, thus reach research under controllable condition vegetation to air in the treatment effect of small suspended particle.
CO in fixation test case
2content is 0.03%, and temperature is 20 ± 3 DEG C, and humidity is 35%, and intensity of illumination is 30,000 luxs.
Place experimental box, open chamber door, bottom case, arrange soil horizon, then in soil horizon, arrange plant, give normal illumination condition and plant food, moisture.Illuminator and air quality surveying instrument is arranged in case.When after plant normal growth, close chamber door, in air intake opening, be filled with contaminated air, be full of rear closedown air intake opening and gas outlet.Experimental box is left standstill, the change of observation experiment instrument readings and experimentally the instrument number of degrees are made time m-pollutant component record experimental data.
Embodiment 3
The structure of chamber and equipment are with embodiment 1.
In chamber, vegetation is set: C group arbor, cypress (shoot).
Test:
The air sample (gather with in first 48 hours of experiment, and measured the air of pm2.5, pm1, pm0.5 in air) gathered in the serious district of air pollution is passed in experimental box.Observe the change of air index, thus reach research under controllable condition vegetation to air in the treatment effect of small suspended particle.
CO in fixation test case
2content is 0.03%, and temperature is 20 ± 3 DEG C, and humidity is 35%, and intensity of illumination is 30,000 luxs.
Place experimental box, open chamber door, bottom case, arrange soil horizon, then in soil horizon, arrange plant, give normal illumination condition and plant food, moisture.Illuminator and air quality surveying instrument is arranged in case.When after plant normal growth, close chamber door, in air intake opening, be filled with contaminated air, be full of rear closedown air intake opening and gas outlet.Experimental box is left standstill, the change of observation experiment instrument readings and experimentally the instrument number of degrees are made time m-pollutant component record experimental data.
Embodiment 4 control group
Test parameter and device are with embodiment 1.Not planting plants in chamber.
By small suspended particle numerical value in the chamber of measurement A, B, C, D group, and compare, determine the ability that unit area vegetation purifies air.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (8)
1., by controlling growth conditions assessment plant to apparatus and method for gray haze Air purification, it is characterized in that,
Described device comprises the chamber of 4 meters × 4 meters × 4 meters, arranges light irradiation apparatus, Full-automatic temperature humidity controller in chamber; Airborne suspended particle penetron, air carbon dioxide concentration measurement instrument are set in chamber, temperature testing equipment and intensity of illumination tracking equipment;
Be furnished with the soil of 300mm thickness in chamber, and isolate 0.5 meter of spacing cultivated plant.
2. device according to claim 1, is characterized in that, described light irradiation apparatus is that daylight and LED combine.
3. device according to claim 1, is characterized in that, described chamber has four, is respectively arranged with A, B, C, D tetra-kinds of vegetation: A group shrub adds arbor in chamber; B group shrub; C group arbor; D group control group, does not arrange plant.
4. device according to claim 3, is characterized in that, the planting distance of planting in described chamber is 0.5 meter.
5., according to the arbitrary described device of claim 1-4, it is characterized in that, in described chamber, be provided with CO
2pass into pipeline; The gradient of soil is within ± 3%, and the type of soil is sandy soil.
6. by controlling growth conditions assessment plant to a method for gray haze Air purification, it is characterized in that, adopting the arbitrary described device of claim 1-5, in experimental box, passing into the air sample that particle index is pm2.5, pm1 or pm0.5; Adopt single argument mode to test, through 6 hours, observe the change of each index in air, thus reach research under controllable condition vegetation to air in the treatment effect of small suspended particle.
7. method according to claim 6, is characterized in that, CO in chamber
2content is 0.03%, and temperature is 20 ± 3 DEG C, and humidity is 35%, intensity of illumination 30,000 lux.
8. method according to claim 6, is characterized in that, by measuring the change of small suspended particle numerical value in chamber, determines the ability that unit area vegetation purifies air.
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| CN201410683085.8A CN104535714B (en) | 2014-11-24 | 2014-11-24 | By controlling the growth conditions assessment plant device to gray haze Air purification |
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| CN201410683085.8A CN104535714B (en) | 2014-11-24 | 2014-11-24 | By controlling the growth conditions assessment plant device to gray haze Air purification |
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Cited By (7)
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| 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 |
| CN106560689A (en) * | 2016-09-29 | 2017-04-12 | 中国计量大学 | Testing system and method for mass-concentration particulate purifying efficiency of vehicle-mounted external-circulation type air purifier |
| CN106560690A (en) * | 2016-09-29 | 2017-04-12 | 中国计量大学 | System and method for testing exterior circulation type vehicle-mounted air purifier particle number concentration purification efficiency |
| 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 |
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| CN106560689A (en) * | 2016-09-29 | 2017-04-12 | 中国计量大学 | Testing system and method for mass-concentration particulate purifying efficiency of vehicle-mounted external-circulation type air purifier |
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| 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 |
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| CN110057984A (en) * | 2019-05-24 | 2019-07-26 | 吉林大学 | A kind of plant air pollution model device and its application method |
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| CN104535714B (en) | 2016-08-24 |
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