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Method for removing urban haze

A technology for removing smog and haze, applied in separation methods, chemical instruments and methods, combined devices, etc., can solve problems such as low device operation efficiency, no effective artificial methods and special equipment for reducing smog concentration, and air vertical movement restrictions , to achieve the effect of reducing the degree of damage

Inactive Publication Date: 2018-04-20
西安立东行智能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(2) There is a temperature inversion in the vertical direction, and the temperature inversion at high altitudes is higher than that at low air temperatures, which restricts the vertical movement of air at low altitudes in the atmosphere
[0010] At present, the existing solutions have complex structures, and high production and operating costs (such as the authorized announcement: CN103111146 A, a patented solution for a device for watering and alleviating urban smog); or the device has low operating efficiency, except The haze effect is uncertain (such as the authorized announcement: CN 103174663 A, the patented haze weather prevention machine scheme) and other shortcomings
[0011] At present, there is no artificial method and special equipment to effectively reduce the concentration of smog in a city

Method used

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  • Method for removing urban haze
  • Method for removing urban haze
  • Method for removing urban haze

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Embodiment 1, as shown in Figures 1 and 3, the air dust collector is an air purification device with an electrostatic precipitator as its core. The air inlet is a rectangular box with a height of 300mm, a width of 2250mm and a length of 2150mm; its overall shape matches the top of the bus. Mounted on the rear roof of the bus, externally. As shown in the figure is a partial side view of a bus installed with an electric atmospheric dust collector. In the process of purifying the air mentioned above, the power consumed comes from photovoltaic power generation, car idling or low-gear operation power generation, car braking and deceleration energy harvesting power generation. These electricity can be stored in the capacity 12H lithium series rechargeable battery on the roof. A supercapacitor box is also provided in the electric buffer circuit. Under normal circumstances, even if it is cloudy, the above-mentioned electricity can maintain the work of the air purification sy...

Embodiment 2

[0056] Example 2, such as figure 2 As shown in the special vehicle for air purification, the upper part of the vehicle is an air purification device with liquid washing and adsorption as a working unit. When the vehicle is moving, the air passes through the air purification device; the air purification device has an air inlet, an air outlet, and an open box at both ends composed of an internal purification unit or purification component; there is a louver assembly at the air inlet to adjust the wind speed and block The role of rain and snow; there is a metal mesh in front or behind the air inlet louvers, and the metal mesh can block leaves, paper, plastic bags and other sundries. There is a device to adjust the wind pressure inside the air outlet of the air purification device. The device to adjust the wind pressure is a large fan; When the wind pressure is low (such as in a traffic jam), the fan rotates to provide supplementary wind pressure. There is also a device to adju...

Embodiment 3

[0057] Example 3, such as figure 1 The bus shown is equipped with a vehicle-mounted atmospheric dust collector, which becomes a "city vacuum cleaner" bus, which can not only reduce its own pollutant emissions, but also absorb more air pollutants around it.

[0058] The air inlet of the vehicle-mounted air dust collector is a rectangular box with a height of 300mm, a width of 2250mm, and a length of 2150mm; the interior is mainly equipped with an electrostatic precipitator for purifying smog and air pollutants, and the air flow rate of a bus at a speed of 15 kilometers per hour. The processing air volume is about 10,000 cubic meters per hour. The purification effect of electric dust removal is as high as 95-99%; the PM2.5 concentration of the purified air is within the range of the national first-class air standard, which is high-quality air.

[0059] Installed on 21,000 buses in Beijing. It can purify 200 million cubic meters of air per hour, and 2 billion cubic meters of ai...

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Abstract

The invention relates to a method for removing smog and haze in cities. An air purification device is installed on a motor vehicle to purify the air flowing through the device. When many motor vehicles with the device are moving in the city, a large number of Purify the air and reduce the concentration of smog. If it is installed on all 21,000 buses in Beijing. It will purify 200 million cubic meters of air per hour and 2 billion cubic meters of air per day. The air purification device is an internal purification unit including an electric capture unit and a photocatalyst unit with a matching light source. The purification efficiency can be as high as 95% to 99%, which can improve the air quality on both sides of the road to a certain extent. It can effectively improve the air quality on both sides of the road in a short period of time. 2 billion cubic meters of air, which is equivalent to purifying the air below two meters within an area of ​​1,000 square kilometers in the urban area of ​​Beijing. Accumulated over a long period of time will produce a certain effect of purifying the air. Conducive to environmental protection.

Description

【Technical field】 [0001] The invention relates to the field of environmental protection, in particular to a method for reducing the concentration of urban smog by carrying an air purification device on a mobile vehicle. 【Background technique】 [0002] Haze is the general term for fog and haze. [0003] Sulfur dioxide, nitrogen oxides, and inhalable particulate matter are the main components of smog. The first two are gaseous pollutants, and the last item, particulate matter, is the culprit that aggravates the pollution of haze weather. They combine with fog to make the sky instantly gray and affect visibility. The English abbreviation of particulate matter is PM, often referred to as PM2. 5, that is, pollutant particles with a diameter less than 2.5 microns. Sources of toxic particulate matter in cities: Exhaust gas from vehicles, especially large vehicles that use diesel fuel, is a "felon" that emits PM2. 5; waste gas generated by burning coal for heating; waste gas emitt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D50/00
CPCB01D53/86B01D50/00B01D2255/802
Inventor 张国柱
Owner 西安立东行智能技术有限公司
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