Spray tower for industrial waste gas treatment
A technology of industrial waste gas and spray tower, which is applied to the separation of dispersed particles, chemical instruments and methods, separation methods, etc., and can solve the problems of wasting alkaline solution into the environment, pollution, and incomplete neutralization of alkaline solution.
Pending Publication Date: 2019-11-15
湖南远宏环保科技有限公司
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Problems solved by technology
[0006] The main purpose of the present invention is to provide a spray tower for industrial waste gas treatment, which aims to solve the technical problems in the prior art that the neutralization of the alkaline solution is not completed and the waste is caused and the alkaline solution is discharged into the environment and causes pollution.
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[0024] In order to make the purpose, features, and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following described The embodiments are only some of the embodiments of the present invention, but not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
[0025] It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship, movement conditions, etc. between the components in a certain posture (as shown in the drawings), If the specific posture changes, the directional indication also changes accordin...
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The invention discloses a spray tower for industrial waste gas treatment. The spray tower comprises a casing, and a gas inlet and a gas outlet are formed in the casing; a first filling layer, a secondfilling layer and an alkaline liquid layer are sequentially arranged in the casing from top to bottom at intervals; the casing is internally provided with a water pump and a water pipe, and the waterinlet end of the water pipe extends into the alkaline liquid layer; the casing is further internally provided with a PH control device, the PH control device comprises a measuring rod and an automatic feeding machine, the measuring rod extends into the alkaline liquid layer and is used for measuring the PH value of the alkaline liquid layer, and the automatic feeding machine is used for adding alkaline powder to the alkaline liquid layer. According to the scheme, the PH value of the alkaline liquid is measured by the measuring rod, and the alkaline powder is added to the alkaline liquid layerby the automatic feeding machine, so that the PH value drop caused by the neutralization function is compensated for. The spray tower can monitor the PH value of alkaline liquid in real time and timely replenish the alkaline powder; compared with a mode of directly abandoning alkaline liquid or timely replacing alkaline liquid in the prior art, the spray tower has the advantages of small waste and no environmental pollution.
Description
technical field [0001] The invention relates to the technical field of environmental protection equipment, more specifically, it relates to a spray tower for industrial waste gas treatment. Background technique [0002] The spray tower is a common equipment in the gas-liquid reaction system. Spray towers used in desulfurization projects usually use countercurrent spray towers, and limestone slurry is used as absorbent. The limestone slurry is transported to the atomizing nozzles of the spray pipes arranged at different heights in the spray tower through the circulating pump, and the limestone slurry is sprayed downward through the atomizing nozzles to form dispersed small droplets, and the coal-fired flue gas in the spray tower flows upward Flow, during the washing process of coal-fired flue gas, the gas-liquid is fully contacted, sulfur dioxide in coal-fired flue gas reacts with limestone slurry to form calcium sulfite, and calcium sulfite is oxidized by oxygen in the oxid...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B01D53/75B01D53/78B01D53/79B01D53/96B01D53/40B01D53/26
CPCB01D53/75B01D53/78B01D53/79B01D53/96B01D53/40B01D53/26
Inventor 龚红光
Owner 湖南远宏环保科技有限公司