Flue gas defogging and purification combined system
A combined system and flue gas technology, which is applied in the field of combined flue gas demisting and purification system, can solve the problem of low removal rate and achieve the effect of improving the demisting effect
Pending Publication Date: 2019-06-04
CHINA NERIN ENG
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Problems solved by technology
In recent years, there have been reports of using electric demisting or reheating demisting (white smoke elimination) after the washing tower. However, according to the monitoring results of existing hazardous waste incineration treatment projects, electric demisting is affected by flue gas volume and temperature changes. , there will be a phenomenon that the removal rate is low
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[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0021] According to one aspect of the present invention, the present invention proposes a combined system for demisting and purifying flue gas, such as figure 1 As shown, it includes: a mist removal tower 100 , a filter tower 200 and a liquid collection bucket 300 .
[0022] Wherein, the top of defogging tower 100 has cleaning flue gas inlet 110, and the bottom end of defogging tower 100 has defogging flue gas outlet 120, and electrode 130 is arranged in defogging tower 100; Gas inlet 210, the upper part of the filter tower 200 ...
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Abstract
The invention discloses a flue gas defogging and purification combined system. The system includes: a defogging tower, a filter tower and a liquid accumulation hopper. Specifically, the upper part ofthe defogging tower has a scrubbing flue gas inlet, the bottom of the defogging tower has a defogged flue gas outlet, and electrodes are arranged in the defogging tower; the bottom of the filter towerhas a defogged flue gas inlet, the upper part of the filter tower has a purified flue gas outlet, the defogging flue gas inlet is internally provided with a gas distribution network, and the filter tower is internally equipped with a filter device; the liquid accumulation hopper is located under the defogging tower and the filter tower, the top of the liquid accumulation hopper has two spaced openings, which are respectively communicated with the defogged flue gas outlet and the defogged flue gas inlet, and the bottom of the liquid accumulation hopper has a drain port. The system has the effects of defogging, filtering, adsorption and decomposition of pollutants. When used for treating scrubbed flue gas, the system not only can effectively remove fog drops from the flue gas, but also canintercept or decompose the residual pollutants, heavy metal particles, dioxin and organic gas in the flue gas.
Description
technical field [0001] The invention belongs to the field of waste gas treatment, in particular, the invention relates to a combined system for demisting and purifying flue gas. Background technique [0002] Flue gas from solid waste incineration generally contains pollutants such as acid gas, heavy metal particles, and dioxins. The flue gas is widely used in lye wet washing treatment technology, mainly spraying lye in the washing tower to make acid gas, heavy metals in the flue gas Particles, dioxins and other pollutants are dissolved in the washing liquid to be separated and removed. At the same time, the tail gas contains mist droplets, so that the pollutants escape into the environment with the mist droplets. In recent years, there have been reports of using electric demisting or reheating demisting (white smoke elimination) after the washing tower. However, according to the monitoring results of existing hazardous waste incineration treatment projects, electric demistin...
Claims
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IPC IPC(8): B01D50/00B01D53/04
Inventor 曹学新罗超周清陈忠
Owner CHINA NERIN ENG