CN105080250A - Governance method for reducing PM2.5 in Beijing - Google Patents
Governance method for reducing PM2.5 in Beijing Download PDFInfo
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- CN105080250A CN105080250A CN201510174346.8A CN201510174346A CN105080250A CN 105080250 A CN105080250 A CN 105080250A CN 201510174346 A CN201510174346 A CN 201510174346A CN 105080250 A CN105080250 A CN 105080250A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The present invention relates to a governance method for reducing PM2.5 in Beijing. The method comprises three levels of governance. The first level of governance is ground greening, the second level of governance is symbiotic vertical greening for high-rise buildings or elevated road and wall greening, and the third level of governance is an ultra-high mist spray system and greening at the tops of high-rise buildings. The ultra-high mist spray system is installed on the tops of high-rise buildings, and the distance from the vents to the top of the building is 150-220m; and the ultra-high mist spray system uses tap water containing a haze management agent in the content of 0.5-5 kg/L. Planting of suitable tree species can beautify the urban landscape, purify the air of the city, cover middle and high level roofs and high level wall with green plants, ease the urban heat island effect, expand the living space of modern urban citizens and improve the happiness index in the city. The method can allow more residents to participate in outdoor sports, and reduce incidence of disease.
Description
Technical field
The present invention relates to air purification field, particularly relate to a kind of administering method reducing Beijing PM2.5.
Background technology
PM2.5 is a kind of fine particle, is also referred to as fine grained or particulate, and it refers to the particle that in air, those particle diameters are less than 2.5 microns.The ratio that this fine particle accounts for Atmospheric components is less, can stop for a long time in an atmosphere, can be diffused into far place, drastically influence visibility and the quality of air.State Council has issued in " ambient air quality " of new revision in February, 2012, and " fine particle " in air becomes a new monitoring index.
In general, city PM2.5 available sources mainly contains three, with Beijing: 1. extraneous contamination imports into; The Inner Mongol and Beijing's distance near and be located in uptake, it is the important Energy Base of China simultaneously, another adjacent with Beijing very important Energy Base of Shanxi Ye Shi China, because the energy extraction in these cities, refine and produce large quantity of exhaust gas and subparticle, winter is gone down south with cold wind air-flow, it is the main input source that Atmosphere of Beijing is polluted, picture Huhehaote City, Baotou, the cities such as Datong all become city, contamination source, and it is much large project concerning national economy that these cities have, as coal, electric power, cement, chemical industry etc.; 2, city self produces and pollutes, urban area real estate and infrastructure construction building site multi-point and wide-ranging, dust from construction sites is also one of main reason of gray haze, in addition, the quick increase of urban automobile quantity, the a large amount of volatile organic matter of annual discharge, motor-vehicle tail-gas easily forms secondary pollution photochemical fog simultaneously, and this is also the main cause of haze sky, city more than suburb; 3, extreme weather, the meteorological conditions such as meteorological effect, affects by large scale weather background, the quiet wind of subaerial little wind are unfavorable for the diffusion of pollutant, but the south airflow continued brings Hebei and Shandong part pollutant into background, north and south pincer attack causes Beijing air serious pollution.
Medical expert and weather scientist after deliberation after unanimously think, the injury that fine particle in Atmospheric components causes human body is even also serious than sandstorm, fine particle can also cause human body various diseases, as fatal disease such as heart disease, artery sclerosis, lung's sclerosis, lung cancer, asthma and chronic bronchitis.PM2.5 concentration is higher, and the floating fine particle that can enter human lung is in atmosphere more, and the resistance of people will decline, and thus greatly can improve the incidence of disease.
Chinese patent publication No. CN103736379A, date of publication on April 23rd, 2014, name is called the scheme solving PM2.5, wash the flue dust of pollution sources off, this application case discloses a kind of scheme solving PM2.5, and being to have the harmful substance solvent of pollution sources to wash off, to make it can not be discharged in air.Its weak point is, the method not being suitable for is located in the city in the north as Beijing, comparatively large for the cost solving PM2.5 harm, and for the method that established PM2.5 fine particle does not solve.
Summary of the invention
The object of the invention is to pollute large to solve PM2.5, large to human health damage, administer the defect of PM2.5 difficulty and a kind of administering method improving urban view, reduce reduction Beijing PM2.5 of PM2.5 content is provided.
To achieve these goals, the present invention is by the following technical solutions:
A kind of administering method reducing Beijing PM2.5, the method is divided into three layers of improvement, ground floor is ground greening, the second layer is vertical greening and the wall greening of middle-high building thing or viaduct symbiosis, third layer is superelevation spray system and the greening on high-rise top, described superelevation spray system is mounted in high-rise building thing top, spout is 150-220m to the distance on building top, the spraying of superelevation spray system uses the running water containing the agent of volt haze, and the content of volt haze agent is 0.5-5kg/L.In the technical program, when ground greening potentiality all play, for reducing the PM2.5 numerical value in city, make full use of ground and space, integrate the dust-proof effect that lays the dust of similar multi-layer plant, ground greening is as the ground floor of PM2.5 interception, be the second layer with the vertical greening of middle-high building thing or viaduct symbiosis and wall greening, the superelevation spray system on high-rise top and greening, built by construction hanging garden and build one tight city PM2.5 intercepting system, plant suitable seeds, both can beautifying city looks, again can the air of purifying city, hanging garden is three-dimensional interception, its effect is within the scope of the story height of city, plant multi-layer plant interception PM2.5, very effective to urban air clean-up effect.The method makes PM2.5 reduce by more than 30%, roof on the middle and senior level and high-rise metope can be made to cover greening and spray painting device, can alleviating urban heat island effect, refrigerated energy-saving more than 20%, reduce every Washing ratio more than 30%, resident's breathing problem incidence of disease reduces by more than 30%.And make urban view more beautiful, reach the effect that people shuttles back and forth in view and flowering shrubs, expansion modern city resident living space, solid space increases by 20%, improves the Index of Well-being in city, can allow more resident participation outdoor exercises, healthy residents health, reduces the incidence of disease.
As preferably, described superelevation spray system comprises the sole plate, high pressure liquid pump, the electric control gear linked with high pressure liquid pump, the PM2.5 supervising device linked with electric control gear, jet pipe and the nozzle that can horizontally rotate that are arranged on high-rise building thing top, and the length of described jet pipe is 150-220m.In the technical program, superelevation spray system is set on skyscraper top.The picture roof superjacent air space humidification of diversity, can strengthen cross-ventilation, produce wind speed, increase cross-ventilation, the aerocolloidal stability of the PM2.5 in order to break inversion layer, will flow through the PM2.5 interception of roof surface simultaneously, and make it rapid subsidence.
As preferably, spray the running water containing the agent of volt haze at Beijing road cross.In the technical program, containing a large amount of hydrocarbon, oxynitrides, carbon monoxide, sulfur dioxide, lead-containing compounds, BaP and solid particle in motor-vehicle tail-gas, vehicular emission noxious agents damage environment out and affect health, the harmful substance can degraded in motor vehicle discharged tail gas containing the running water lying prostrate haze agent is sprayed at road cross, reduce vehicle exhaust to the pollution of environment, reduce haze source, Beijing City.
As preferably, when PM2.5 value is 150-250 μ g/m3, the consumption of volt haze agent is 3.5-5kg/L, when PM2.5 value is 75-150 μ g/m3, the consumption of volt haze agent is 1-3.49kg/L, and when PM2.5 value is 35-75 μ g/m3, the consumption of volt haze agent is 0.5-1kg/L.In the technical program, according to the change of PM2.5 value, select the consumption lying prostrate haze agent.
As preferably, the agent of described volt haze is obtained by following methods, the tealeaves of the vegetables slag of 45-50 weight portion or pericarp, 8-12 weight portion, the bacterium mushroom of 5-10 weight portion, the leavening of 5-9 weight portion and the fermentation of 75-100 part clear water is filtered after 4-6 month and obtains.
As preferably, ground greening refers to the local turf plant at ground proximity, and being then the shrub of height 0.8-1.5m, is then tall and big arbor.
As preferably, the vertical greening of middle-high building thing or viaduct symbiosis and the Plant choosing Parthenocissus quinuefolia of wall greening, ivy, Chinese trumpet creeper, trachelospermum jasminoide, Chinese wistaria, honeysuckle or porcelain ampelopsis.In the technical program, utilize plant main body to block and absorb PM2.5 dust and tail gas, stoping the diffusion of automobile raising-dust and pernicious gas.
As preferably, the green plants on high-rise top selects Euonymus japonicus, chrysanthemum sedum lineare, stringy stonecrop, Chinese rose.
As preferably, point fragrant camphor tree of band plantation, photinia glabra, crape myrtle, Ligustrum vicaryi and the tuber of dwarf lilyturf in road, divide band plantation sweet osmanthus, red maple, golden-rimmed Chinese littleleaf box blue with green onion in the side of road, careless in the both sides Luan Shu of road, oleander, pittosporum tobira and Manila.In the technical program, strengthening Greening Urban Road medium separation area afforestation, the pollutants such as the PM2.5 of reduction urban automobile eliminating to greatest extent and heavy metal.
The invention has the beneficial effects as follows:
1) by planting suitable seeds, both can beautifying city looks, again can the air of purifying city, hanging garden is three-dimensional interception, its effect is within the scope of the story height of city, plant multi-layer plant interception PM2.5, very effective to urban air clean-up effect;
2) PM2.5 is the invention enables to reduce by more than 30%, roof on the middle and senior level and high-rise metope can be made to cover greening and spray painting device, can alleviating urban heat island effect, refrigerated energy-saving more than 20%, reduce every Washing ratio more than 30%, resident's breathing problem incidence of disease reduces by more than 30%;
3) the invention enables urban view more beautiful, reach the effect that people shuttles back and forth in view and flowering shrubs, expansion modern city resident living space, solid space increases by 20%, improve the Index of Well-being in city, more resident participation outdoor exercises can be allowed, healthy residents health, reduce the incidence of disease.
Accompanying drawing explanation
Fig. 1 is the structural representation of superelevation spray system.
In figure, 1, sole plate; 2, high pressure liquid pump; 3, electric control gear; 4, PM2.5 supervising device; 5, jet pipe; 6, nozzle.
Detailed description of the invention
Below by way of specific embodiment, the present invention is further explained:
Embodiment 1
For Beijing:
With reference to Fig. 1, a kind of administering method reducing Beijing PM2.5, the method is divided into three layers of improvement, ground floor is ground greening, the second layer is vertical greening and the wall greening of middle-high building thing or viaduct symbiosis, third layer is superelevation spray system and the greening on high-rise top, described superelevation spray system is mounted in high-rise building thing top, spout is 150m to the distance on building top, the spraying of superelevation spray system uses the running water containing the agent of volt haze, the content of volt haze agent is 0.5-5kg/L, spray the running water containing the agent of volt haze at Beijing road cross simultaneously.Described superelevation spray system comprise be arranged on high-rise building thing top sole plate 1, high pressure liquid pump 2, the electric control gear 3 linked with high pressure liquid pump 2, the PM2.5 supervising device 4, jet pipe 5 and the nozzle 6 that can horizontally rotate that link with electric control gear 3, the length of described jet pipe 5 is 150m.
When PM2.5 value is 150-250 μ g/m3, the consumption of volt haze agent is 3.5-5kg/L, and when PM2.5 value is 75-150 μ g/m3, the consumption of volt haze agent is 1-3.49kg/L, and when PM2.5 value is 35-75 μ g/m3, the consumption of volt haze agent is 0.5-1kg/L.The agent of described volt haze is obtained by following methods, filters and obtain after the tealeaves of the vegetables slag of 45 weight portions or pericarp, 8 weight portions, the bacterium mushroom of 5 weight portions, the leavening of 5 weight portions and 75 parts of clear water being fermented 4 months.
Ground greening refers to the local turf plant at ground proximity, and being then the shrub of height 0.8-1.5m, is then tall and big arbor.The vertical greening of middle-high building thing or viaduct symbiosis and the Plant choosing Parthenocissus quinuefolia of wall greening, ivy, Chinese trumpet creeper, trachelospermum jasminoide, Chinese wistaria, honeysuckle or porcelain ampelopsis.The green plants on high-rise top selects Euonymus japonicus, chrysanthemum sedum lineare, stringy stonecrop, Chinese rose.The fragrant camphor tree of band plantation, photinia glabra, crape myrtle, Ligustrum vicaryi and the tuber of dwarf lilyturf in road point, divide band plantation sweet osmanthus, red maple, golden-rimmed Chinese littleleaf box blue with green onion in the side of road, careless in the both sides Luan Shu of road, oleander, pittosporum tobira and Manila.
Embodiment 2
With reference to Fig. 1, a kind of administering method reducing Beijing PM2.5, the method is divided into three layers of improvement, ground floor is ground greening, the second layer is vertical greening and the wall greening of middle-high building thing or viaduct symbiosis, third layer is superelevation spray system and the greening on high-rise top, described superelevation spray system is mounted in high-rise building thing top, spout is 200m to the distance on building top, the spraying of superelevation spray system uses the running water containing the agent of volt haze, the content of volt haze agent is 0.5-5kg/L, spray the running water containing the agent of volt haze at Beijing road cross simultaneously.Described superelevation spray system comprise be arranged on high-rise building thing top sole plate 1, high pressure liquid pump 2, the electric control gear 3 linked with high pressure liquid pump 2, the PM2.5 supervising device 4, jet pipe 5 and the nozzle 6 that can horizontally rotate that link with electric control gear 3, the length of described jet pipe 5 is 200m.
When PM2.5 value is 150-250 μ g/m3, the consumption of volt haze agent is 3.5-5kg/L, and when PM2.5 value is 75-150 μ g/m3, the consumption of volt haze agent is 1-3.49kg/L, and when PM2.5 value is 35-75 μ g/m3, the consumption of volt haze agent is 0.5-1kg/L.The agent of described volt haze is obtained by following methods, filters and obtain after the tealeaves of the vegetables slag of 48 weight portions or pericarp, 10 weight portions, the bacterium mushroom of 8 weight portions, the leavening of 7 weight portions and 85 parts of clear water being fermented 5 months.
Ground greening refers to the local turf plant at ground proximity, and being then the shrub of height 0.8-1.5m, is then tall and big arbor.The vertical greening of middle-high building thing or viaduct symbiosis and the Plant choosing Parthenocissus quinuefolia of wall greening, ivy, Chinese trumpet creeper, trachelospermum jasminoide, Chinese wistaria, honeysuckle or porcelain ampelopsis.The green plants on high-rise top selects Euonymus japonicus, chrysanthemum sedum lineare, stringy stonecrop, Chinese rose.The fragrant camphor tree of band plantation, photinia glabra, crape myrtle, Ligustrum vicaryi and the tuber of dwarf lilyturf in road point, divide band plantation sweet osmanthus, red maple, golden-rimmed Chinese littleleaf box blue with green onion in the side of road, careless in the both sides Luan Shu of road, oleander, pittosporum tobira and Manila.
Embodiment 3
With reference to Fig. 1, a kind of administering method reducing Beijing PM2.5, the method is divided into three layers of improvement, ground floor is ground greening, the second layer is vertical greening and the wall greening of middle-high building thing or viaduct symbiosis, third layer is superelevation spray system and the greening on high-rise top, described superelevation spray system is mounted in high-rise building thing top, spout is 220m to the distance on building top, the spraying of superelevation spray system uses the running water containing the agent of volt haze, the content of volt haze agent is 0.5-5kg/L, spray the running water containing the agent of volt haze at Beijing road cross simultaneously.Described superelevation spray system comprise be arranged on high-rise building thing top sole plate 1, high pressure liquid pump 2, the electric control gear 3 linked with high pressure liquid pump 2, the PM2.5 supervising device 4, jet pipe 5 and the nozzle 6 that can horizontally rotate that link with electric control gear 3, the length of described jet pipe 5 is 220m.
When PM2.5 value is 150-250 μ g/m3, the consumption of volt haze agent is 3.5-5kg/L, and when PM2.5 value is 75-150 μ g/m3, the consumption of volt haze agent is 1-3.49kg/L, and when PM2.5 value is 35-75 μ g/m3, the consumption of volt haze agent is 0.5-1kg/L.The agent of described volt haze is obtained by following methods, filters and obtain after the tealeaves of the vegetables slag of 50 weight portions or pericarp, 12 weight portions, the bacterium mushroom of 10 weight portions, the leavening of 9 weight portions and 100 parts of clear water being fermented 6 months.
Ground greening refers to the local turf plant at ground proximity, and being then the shrub of height 0.8-1.5m, is then tall and big arbor.The vertical greening of middle-high building thing or viaduct symbiosis and the Plant choosing Parthenocissus quinuefolia of wall greening, ivy, Chinese trumpet creeper, trachelospermum jasminoide, Chinese wistaria, honeysuckle or porcelain ampelopsis.The green plants on high-rise top selects Euonymus japonicus, chrysanthemum sedum lineare, stringy stonecrop, Chinese rose.The fragrant camphor tree of band plantation, photinia glabra, crape myrtle, Ligustrum vicaryi and the tuber of dwarf lilyturf in road point, divide band plantation sweet osmanthus, red maple, golden-rimmed Chinese littleleaf box blue with green onion in the side of road, careless in the both sides Luan Shu of road, oleander, pittosporum tobira and Manila.
By planting suitable seeds, both can beautifying city looks, again can the air of purifying city, hanging garden is three-dimensional interception, and its effect is within the scope of the story height of city, plant multi-layer plant interception PM2.5, very effective to urban air clean-up effect; Make PM2.5 reduce by more than 30%, roof on the middle and senior level and high-rise metope can be made to cover greening and spray painting device, can alleviating urban heat island effect, refrigerated energy-saving more than 20%, reduces every Washing ratio more than 30%, and resident's breathing problem incidence of disease reduces by more than 30%; Make urban view more beautiful, reach the effect that people shuttles back and forth in view and flowering shrubs, expansion modern city resident living space, solid space increases by 20%, improves the Index of Well-being in city, can allow more resident participation outdoor exercises, healthy residents health, reduces the incidence of disease.
Claims (9)
1. one kind is reduced the administering method of Beijing PM2.5, it is characterized in that, the method is divided into three layers of improvement, ground floor is ground greening, the second layer is vertical greening and the wall greening of middle-high building thing or viaduct symbiosis, third layer is superelevation spray system and the greening on high-rise top, described superelevation spray system is mounted in high-rise building thing top, spout is 150-220m to the distance on building top, the spraying of superelevation spray system uses the running water containing the agent of volt haze, and the content of volt haze agent is 0.5-5kg/L.
2. a kind of administering method reducing Beijing PM2.5 according to claim 1, it is characterized in that, described superelevation spray system comprise be arranged on high-rise building thing top sole plate (1), high pressure liquid pump (2), the electric control gear (3) linked with high pressure liquid pump (2), the PM2.5 supervising device (4), jet pipe (5) and the nozzle (6) that can horizontally rotate that link with electric control gear (3), the length of described jet pipe (5) is 150-220m.
3. a kind of administering method reducing Beijing PM2.5 according to claim 1, is characterized in that, sprays the running water containing the agent of volt haze at Beijing road cross.
4. a kind of administering method reducing Beijing PM2.5 according to claim 1 or 3, it is characterized in that, when PM2.5 value is 150-250 μ g/m3, the consumption of volt haze agent is 3.5-5kg/L, when PM2.5 value is 75-150 μ g/m3, the consumption of volt haze agent is 1-3.49kg/L, and when PM2.5 value is 35-75 μ g/m3, the consumption of volt haze agent is 0.5-1kg/L.
5. a kind of administering method reducing Beijing PM2.5 according to claim 1, it is characterized in that, the agent of described volt haze is obtained by following methods, the tealeaves of the vegetables slag of 45-50 weight portion or pericarp, 8-12 weight portion, the bacterium mushroom of 5-10 weight portion, the leavening of 5-9 weight portion and the fermentation of 75-100 part clear water is filtered after 4-6 month and obtains.
6. a kind of administering method reducing Beijing PM2.5 according to claim 1, is characterized in that, ground greening refers to the local turf plant at ground proximity, and being then the shrub of height 0.8-1.5m, is then tall and big arbor.
7. a kind of administering method reducing Beijing PM2.5 according to claim 1, it is characterized in that, the vertical greening of middle-high building thing or viaduct symbiosis and the Plant choosing Parthenocissus quinuefolia of wall greening, ivy, Chinese trumpet creeper, trachelospermum jasminoide, Chinese wistaria, honeysuckle or porcelain ampelopsis.
8. a kind of administering method reducing Beijing PM2.5 according to claim 1 or 2 or 6 or 7, is characterized in that, the green plants on high-rise top selects Euonymus japonicus, chrysanthemum sedum lineare, stringy stonecrop, Chinese rose.
9. a kind of administering method reducing Beijing PM2.5 according to claim 1 or 6, it is characterized in that, point fragrant camphor tree of band plantation, photinia glabra, crape myrtle, Ligustrum vicaryi and the tuber of dwarf lilyturf in road, divide band plantation sweet osmanthus, red maple, golden-rimmed Chinese littleleaf box and green onion blue in the side of road, careless in the both sides Luan Shu of road, oleander, pittosporum tobira and Manila.
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| CN111450621A (en) * | 2020-04-09 | 2020-07-28 | 吉林大学 | Dynamic dust retention method and device based on double-layer barrier |
| CN111679041A (en) * | 2020-08-13 | 2020-09-18 | 深圳市城市交通规划设计研究中心股份有限公司 | Method and device for monitoring pollutant discharge amount and terminal equipment |
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Application publication date: 20151125 |