PLC controlled denitration equipment
A technology of denitration and equipment, applied in the field of denitration, can solve the problems of high speed and waste of denitrification solution, and achieve the effect of avoiding waste
Inactive Publication Date: 2019-12-03
西安安迈工业自动化技术有限公司
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Problems solved by technology
However, although this method maintains a relatively high temperature in the boiler, when the flue gas passes through the pipeline, the speed is relatively fast, and it is difficult for the sprayed chemicals to perform a relatively sufficient denitrification treatment on the flue gas discharged from the boiler. And the denitrification fluid is wasted
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[0017] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0019] see Figure 1 to Figure 2 , the present invention provides a technical solution: a PLC controlled denitration equipment, including a base 1, a denitration box 2, a smoke inlet 3, a denitration liquid storage ...
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The invention relates to PLC controlled denitration equipment. The PLC controlled denitration equipment comprises a base, a denitration box, a smoke inlet, a denitration liquid storage tank, a spraying assembly, a spraying pipe, a spraying head and a recovery device, wherein the denitration box is fixedly arranged above the base, the smoke inlet is fixedly formed in the left side of the denitration box, the denitration liquid storage tank is fixedly arranged above the outer part of the denitration box, and the spraying assembly is fixedly arranged below the denitration liquid storage tank. According to the novel PLC controlled denitration equipment, the denitration box is arranged so that flue gas can be subjected to denitration; the spraying assembly is arranged so that the flue gas can be sprayed; a fan in a buffer device is arranged so that the speed of spraying liquid can be reduced, and the spraying liquid is in full contact with the flue gas; a control device is arranged so thatthe rotating speed of the fan can be controlled; the recovery device is arranged so that the spraying liquid can be collected, the liquid blown away by the fan can be collected, and waste can be avoided; and a dust removal screen is arranged so that the flue gas can be subjected to dust removal.
Description
technical field [0001] The invention relates to the technical field of denitration, in particular to a PLC controlled denitration equipment. Background technique [0002] Generally speaking, SNCR denitrification is greatly affected by the size of the boiler structure, and it is mostly used as a supplementary treatment method for low-nitrogen combustion technology. Its construction cost is low, its layout is simple, and it occupies a small area. It is suitable for the renovation of old plants, and the new plant can be used in conjunction with the boiler design. SCR is the most mature flue gas denitrification technology at present. It uses reducing agent (NH3, urea) under the action of metal catalyst to selectively react with NOx to generate N2 and H2O instead of being oxidized by O2, so it is called "selectivity". . Currently, the world's popular SCR processes are mainly divided into two types: ammonia SCR and urea SCR. At home and abroad, a lot of research has been done o...
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IPC IPC(8): B01D53/78B01D53/56
CPCB01D53/56B01D53/78
Inventor 郝德锋
Owner 西安安迈工业自动化技术有限公司