生物除臭设备从字面意思上就可以知道是通过生物的方法进行除臭的一种除臭装置，那么，从工艺的角度来说，这类生物除臭设备的原理是什么呢？

Biological deodorization equipment literally means a deodorizing device that uses biological methods for deodorization. So, from a technological perspective, what is the principle of this type of biological deodorization equipment?

一、生物滤池除臭设备概述

1、 Overview of Biological Filter Deodorization Equipment

生物滤池除臭设备：是以生物填料为载体，使微生物在适宜的环境下，在生物填料表面形成生物膜，生物膜中的微生物利用废气中的无机和有机物作为碳源和能源，通过降解恶臭物质维持其生命活动，并将恶臭物质分解成二氧化碳、水、矿物质等无臭物，达到净化恶臭气体的目的。

Biological filter deodorization equipment: It is a device that uses biological fillers as carriers to allow microorganisms to form biofilms on the surface of biological fillers in suitable environments. The microorganisms in the biofilm use inorganic and organic substances in exhaust gas as carbon sources and energy sources to maintain their life activities by degrading odorous substances, and decomposing odorous substances into odorless substances such as carbon dioxide, water, minerals, etc., achieving the goal of purifying odorous gases.

二、工艺流程

2、 Process flow

恶臭气体收集装置→预处理装置→生物过滤装置→抽风机→达标排放

Odor gas collection device → pretreatment device → biological filtration device → exhaust fan → standard emission

三、流程说明

3、 Process description

恶臭气体经过管道收集后进入预处理装置，经水洗加湿使废气的湿度达到90%以上，湿气体再进入生物过滤除臭装置，气流与循环液在穿过生物填料层的过程中完成生物的气液扩散、液固扩散、生物氧化三个过程，生物填料表面生物膜中的微生物以恶臭气体物质为营养，恶臭物及VOCs被微生物氧化分解，在转化过程中产生能量，为微生物的生长与繁殖提供能源，使恶臭气体物质的转化持续进行，经净化后的气体由引风机引出排放。

The odorous gas is collected through pipelines and enters the pre-treatment device. After being washed and humidified, the humidity of the exhaust gas reaches over 90%. The wet gas then enters the biological filtration and deodorization device. The airflow and circulating liquid complete three processes of biological gas-liquid diffusion, liquid-solid diffusion, and biological oxidation during the process of passing through the biological packing layer. The microorganisms in the biofilm on the surface of the biological packing take the odorous gas substances as nutrients, and the odorous substances and VOCs are oxidized and decomposed by the microorganisms. During the transformation process, energy is generated to provide energy for the growth and reproduction of microorganisms, so that the transformation of odorous gas substances continues. The purified gas is discharged from the induced draft fan.

循环液中含有脱落的生物膜和微生物，经过滤、补充新鲜洗涤液后循环使用，过滤去掉多余的少量生物膜作为污泥定期排放。

The circulating liquid contains detached biofilm and microorganisms, which are filtered and replenished with fresh washing solution before being recycled. The excess biofilm is removed by filtration and discharged regularly as sludge.

四、系统特点

4、 System features

1、 全自动控制，性能稳定，无须专人操作；

1. Fully automatic control, stable performance, no need for dedicated personnel to operate;

2、 使用长久性生物填料，微生物能够依靠洗涤液中的养份和气体中恶臭物质生长，无须另外投加营养剂。生物膜生态条件稳定，单位体积内生物量大，微生物菌群具有较高的生物吸附和生物氧化的能力，抗冲击能力强，分解恶臭物质的速度快、效率高；

2. By using long-lasting biological fillers, microorganisms can grow by relying on nutrients in the washing solution and odorous substances in the gas, without the need to add additional nutrients. The ecological conditions of biofilm are stable, with a large biomass per unit volume. The microbial community has a high ability for biological adsorption and oxidation, strong shock resistance, and fast and efficient decomposition of odorous substances;

3、塔体采用模块式结构，可现场施工，便于安装；

3. The tower adopts a modular structure, which can be constructed on site and is easy to install;

4、独特的气体分布方式，分布均匀，净化效率高达90%以上。

4. Unique gas distribution method, uniform distribution, purification efficiency of over 90%.

适用领域： 污水处理、垃圾处理、饲料加工、粪便处理、制药系统等过程产生的含有硫化氢﹑氨﹑硫醇﹑硫醚等恶臭气体的处理。

Applicable fields: Treatment of odorous gases containing hydrogen sulfide, ammonia, mercaptan, thioether, etc. generated during processes such as sewage treatment, garbage treatment, feed processing, manure treatment, pharmaceutical systems, etc.

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