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Method and device for collecting dust in indoor air by using plant air negative ion field

A technology of negative air ions and indoor air, applied in the field of air pollution control, can solve the problems of secondary pollution of fine dust, failure to eliminate smog, etc., and achieve the effect of small power consumption and low energy consumption

Inactive Publication Date: 2016-11-09
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, once the electric stimulation plant device is powered off, under the disturbance of the air flow, the fine dust that falls on the ground will "come back" and cause secondary pollution, so it does not achieve the purpose of eliminating smog fundamentally

Method used

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  • Method and device for collecting dust in indoor air by using plant air negative ion field
  • Method and device for collecting dust in indoor air by using plant air negative ion field

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Experimental program
Comparison scheme
Effect test

Embodiment

[0027] In the actual work test of the circuit of the device of the present invention, the stimulating electrode needle is inserted into the rhizosphere soil of the potted Chlorophytum plant with dense branches and leaves, and the working power supply of the plant electric stimulating device is connected, and the indoor construction area reaches about 15m2. 2 Test its haze removal and dust collection effects in the indoor space, and use the DC1700 quality air monitor produced by Dylos Company of the United States to test the changes in indoor air quality. After about 10 minutes, the indoor PM2.5 and PM10 dropped significantly. After about 1 hour, Indoor space PM2.5 from 350ug / m 3 Can be reduced to 10ug / m 3 After working continuously for 7 days, the adsorption electrode and its surroundings are covered with dense dust.

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Abstract

The invention relates to a method and a device for collecting dust in indoor air by using a plant air negative ion field. A flowerpot loading tank and a plant electrical stimulation device are mounted on a base body of the device, wherein an electrode needle of the plant electrical stimulation device is inserted into root soil of the flowerpot loading tank; mesh-shaped adsorption electrode plates on which adsorption paper cotton is paved are embedded in the inner cylindrical side wall of the base body and the bottom base surface between the inner cylindrical surface and the outer cylindrical surface; a haze sensor is also mounted on the base body. During operation, the plants are electrically simulated by electric pulse corresponding to the characteristics of self electrical signal frequency domains of the plants; high-concentration plant air negative ion geometric areas are formed among plant leaf apexes and are formed among the adsorption electrodes, so that micro dust with negative charge in the indoor air is adsorbed on the adsorption electrodes and around the adsorption electrodes under combined action of electric field force and gravity. The device and the method have the advantages of high efficiency and low energy consumption; the haze in the indoor air can be collected and removed in a green and ecological manner; the purposes of purifying and collecting micro dust in the indoor space can be achieved.

Description

technical field [0001] The invention belongs to the technical field of air pollution control, and relates to a method and a device for purifying and collecting pollutants and dust in indoor air by using a plant air negative ion field mediated by a pulse electric field. Background technique [0002] In recent years, in densely populated urban areas, the indoor environmental pollution caused by the external air environment (such as smog, etc.) and indoor electrical and decoration has become increasingly serious, which has caused great harm to people's living environment and life and health. , eliminating smog and creating a clean indoor living space has become a major social problem that needs to be solved urgently. [0003] At present, air purifiers based on various technologies such as filtration, adsorption and metal needle tip high-voltage discharge have been widely used to eliminate indoor haze. Stimulating plants to release high-concentration plant air negative ions can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C3/34B03C3/41B03C3/47B03C3/66
CPCB03C3/34B03C3/41B03C3/47B03C3/66
Inventor 杨运经习岗杜光源
Owner NORTHWEST A & F UNIV