SCR denitration equipment-Foshan yiqing environmental protection engineering technology co. LTD

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Flue gas denitrification

Ultra Low Emission

PRODUCT NAME

SCR denitration equipment

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SCR denitration equipment

Category：Product Center

It is mainly engaged in industrial dust, industrial flue gas comprehensive treatment, technology research, industrial development and engineering contracting, production and sales of environmental protection equipment, a comprehensive large-scale environmental protection engineering company, is a national high-tech enterprises. It is a professional environmental protection contracting second-class enterprise, and the product quality management system of Yiqing Environmental Protection has obtained ISO9000 certification. Products: desulfurization tower, dust collector, dust removal equipment, catalytic combustion, etc.

Currently, the catalysts commonly used for SCR denitrification are mainly titanium oxide-based catalysts with TiO2, V2O5, WO3 and MoO3 as the main components, mainly in honeycomb, flat plate and corrugated plate types. The honeycomb type catalyst is homogeneous and extruded at one time, with high specific surface area; the flat catalyst is made of stainless steel grid and impregnated with active material, with high resistance to fly ash abrasion and low pressure loss, and high resistance to arsenic poisoning; the corrugated plate catalyst is made of reinforced glass fiber and impregnated with active material, with low mass, high activity and high resistance to CaO poisoning.

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Keywords: sanitation equipment, environmental equipment, environmental services

Keywords: industrial flue gas desulfurization, denitrification, VOCs treatment equipment

Details

Introduction

The honeycomb type catalysts are homogeneous and extruded at one time, with high specific surface area; the flat catalysts are made of stainless steel grid and impregnated with active materials, with high resistance to fly ash abrasion and low pressure loss, and high resistance to arsenic poisoning; the corrugated plate catalysts are made of reinforced glass fiber and impregnated with active materials, with low mass, high activity and high resistance to CaO poisoning.

In principle, different types of catalysts can meet the performance index requirements of specific projects, but different types of catalysts have different activities, pitch, effective specific surface area, catalyst volume and resistance, etc. Therefore, the best catalyst form and arrangement can be selected through comparison to improve the cost performance of the project and effectively reduce the initial construction and operation costs.

As the most critical equipment for SCR denitrification, the design of SCR reactor cross-section should not only consider the optimal flue gas flow rate, but also consider the arrangement and installation requirements of different types of catalyst modules. Therefore, the reactor cross section and catalyst support beams should be designed for universal use (honeycomb, flat plate and corrugated plate catalyst modules), so that each type of catalyst module can be installed interchangeably.

In order to ensure the uniformity and incidence of flue gas in the catalyst layer, a flue gas rectification layer should be designed at the top of the reactor; in order to prevent the catalyst orifice from being blocked by ash falling from the internal deflector, support structure and other components and flocculated debris in the flue, an ash grille should be installed in the reactor.

The catalyst is lifted by means of a lifting rail and electric hoist arranged outside the reactor. The design of the lifting rail should take into account the weight of the catalyst module, the spreader, the electric hoist and the inertia forces caused by various oscillations during the lifting process. The design of the catalyst mounting rails in the reactor was designed to facilitate the lifting of the catalyst modules and to prevent the accumulation of dust.

To prevent dust accumulation in the catalyst layer from blocking the catalyst pores, soot blowers are usually installed in the upper part of each catalyst layer. Commonly used in SCR denitrification sootblowers are acoustic and steam 2 forms, the selection and layout of the specific engineering flue gas ash characteristics and reactor cross-section size to determine.

Ammonia injection device as one of the core parts of the SCR denitration device, directly affects the denitrification efficiency and flue gas system resistance, thus affecting the operating costs of the denitrification system.

At present, the main ammonia injection devices used for SCR denitrification are vortex mixer, ammonia injection static mixer, ammonia injection grille and torque tooth ammonia injection grille, etc.

The main products of Yiqing Environmental Protection include various industrial dust treatment equipment, industrial flue gas desulfurization, denitrification, VOCs treatment equipment and flue gas desulfurization, dust removal, denitrification integrated ultra-low emission equipment, Yiqing Environmental Protection since its inception, based on the industry, social development needs, dedicated to the comprehensive treatment of flue gas, dust and flue gas energy saving and other technical fields of research, technology innovation and upgrading to achieve new breakthroughs. The company has the most cutting-edge integrated flue gas treatment solutions, with strong innovation, development and manufacturing capabilities in the cutting-edge field of environmental protection equipment, with a number of patents for integrated flue gas treatment system, and built a leading flue gas simulation generation and treatment system, the acquisition of advanced monitoring equipment, through accurate generation, accurate monitoring accurately obtain the key nodes and links of the flue gas treatment system The working parameters of each key node and link of the flue gas treatment system have been accurately generated and monitored, and the cause-and-effect relationship between the working parameters of the flue gas treatment link has been mastered, and some unique experience has been gained. The scientific research project "New type of kiln flue gas purification system" undertaken by Yiqing Environmental Protection has been awarded the science and technology projects by Guangdong Province and Foshan Municipal Government.

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Introduction