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Flue gas desulfurization and mercury removal device

A mercury and flue gas removal technology, applied in gas treatment, membrane technology, dispersed particle separation, etc., can solve the problems of comprehensive treatment without relatively mature technology, and achieve increased mercury removal function, wide application prospects, and reasonable design Effect

Inactive Publication Date: 2017-02-08
南京睿宇物联网科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing technologies for flue gas emissions include SO X There is no relatively mature technology for the comprehensive treatment of multi-pollutants such as mercury and mercury

Method used

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  • Flue gas desulfurization and mercury removal device
  • Flue gas desulfurization and mercury removal device

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and specific embodiment, further set forth the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention; Skilled persons can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims. It should be noted that the words "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings.

[0024] Such as figure 1 As shown, a flue gas desulfurization and mercury removal device includes an absorption tank 1, an air intake pipe 2 and a liquid circulation device 3; inside the absorption tank 1, a heater 4, an agitator 5, and a baffle are sequentially arranged from bottom to top 6. The packing layer 7 and the ultraviolet lamp tube 8, the upper end of the absorption tank 1 is provided...

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Abstract

The invention provides a flue gas desulfurization and mercury removal device. The flue gas desulfurization and mercury removal device comprises an absorption tank body, a gas inlet pipe and a liquid circulating device, wherein the absorption tank body is internally provided with a heater, a stirrer, a baffle plate, a packing layer and an ultraviolet lamp tube in sequence from bottom to top; small holes are uniformly formed in the baffle plate; floating valves are arranged in the small holes; the gas inlet pipe penetrates from the left side of the absorption tank body and is of a bent shape; a pipe hole is formed in the gas inlet pipe; the left side of the middle part of the absorption tank body is connected with a No.1 pH (Potential of Hydrogen) value detector and a temperature controller respectively, and the right side of the middle part of the absorption tank body is connected with a liquid level detector. The device provided by the invention has the advantages that the baffle plate with the floating valves is arranged in the absorption tank body so that pressure of gas under the baffle plate is increased and the solubility of the gas in alkali liquid is increased; the heater is used for pre-heating flue gas; the packing layer is arranged and the temprature controller is additionally arranged, and a mercury removal function is added; the pH value detector is arranged and is used for judging the saturation degree of the alkali liquid; the device is simple in structure, convenient to operate, reasonable in design and high in desulfurization and mercury removal efficiency and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of waste gas treatment devices, in particular to a flue gas desulfurization and mercury removal device. Background technique [0002] The flue gas emitted by coal combustion is the main source of air pollution, and specific pollutants include SO X , NO X , mercury, etc. In prior art, for NO X The research and application of individual control technology has reached a relatively mature level. However, the governance of mercury is still in its infancy. Mercury in coal combustion mainly exists in the form of compounds, however, after mercury is converted by combustion, the mercury in the final coal combustion flue gas is Hg 0 , Hg 2+ , Hg p Three forms exist. Most Hg P Can be captured by electrostatic precipitator and bag filter along with fly ash; Hg 2+ It has good water solubility, so it can be captured by wet desulfurization equipment; and for Hg, which accounts for 20-50% of the total gaseous mercury 0 For...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/78B01D53/75B01D53/50B01D53/64
CPCB01D53/501B01D53/75B01D53/78B01D53/8665B01D2251/604B01D2251/606B01D2259/804B01D2255/802
Inventor 戴慧
Owner 南京睿宇物联网科技有限公司
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