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BJT酸雾净化塔设备原理和特点

作者: 来源: 日期:2016-10-11 15:48:39 人气:0 评论:0

 

      设备原理:BJT酸雾净化塔对于腐蚀性气体(如酸、碱性废气)的治理,目前多采用液体吸收法治理。采用液体吸收法治理该废气,关键在于净化设备的选择。目前,我公司自主开发了净化效率高、操作管理简单、使用寿命长的酸、碱性废气净化工艺与设备。该工艺与产品具有结构简单、能耗低、净化效率高和适用范围广的特点,能有效去除氯化氢气体(HCl)、氟化氢气体(HF)、氨气(NH3)、硫酸雾(H2SO4)、铬酸雾(CrO3)、氰氢酸气体(HCN)、碱蒸气(NaOH)、硫化氢气体(H2S)、福尔马林(HCHO)等水溶性气体。酸雾废气由风管引入净化塔,经过填料层,废气与氢氧化钠吸收液进行气液两相充分接触吸收中和反应,酸雾废气经过净化后,再经除雾板脱水除雾后由风机排入大气。吸收液在塔底经水泵增压后在塔顶喷淋而下,最后回流至塔底循环使用。净化后的酸雾废气达到广东省地方排放标准的排放要求,低于国家排放标准。


     设备特点:本设备采用填料塔对废气进行净化,适合于连续和间歇排放废气的治理;工艺简单,管理、操作及维修相当方便简洁,不会对车间的生产造成任何影响;适用范围广,可同时净化多种污染物;压降较低,操作弹性大,且具有很好的除雾性能;塔体可根据实际情况采用FRP/PP/PVC等材料制作;填料采用高效、低阻的鲍尔环,可彻底地去除气体中的异味、有害物质等。


      结构形式:本设备分单塔体和双塔体。采用圆形塔体,用法兰分段联接而成。具体由贮液箱、塔体、进风段、喷淋层、填料层、旋流除雾层、出风锥帽、观检孔等组成。


      应用场合:本工艺和设备可广泛应用于化工、电子、冶金、电镀、纺织(化纤)、食品、机械制造等行业过程中排放的酸、碱性废气的净化处理。如调味食品、制酸、酸洗、电镀、电解、蓄电池等。


     Equipment principle: BJT acid mist purification tower for corrosive gases (such as acid, alkaline exhaust gas) treatment, the current use of liquid absorption treatment. The use of liquid absorption treatment of the exhaust gas, the key lies in the choice of purification equipment. At present, the company independently developed a purification efficiency, operation and management simple, long service life of acid and alkaline exhaust gas purification technology and equipment. The process and product have the characteristics of simple structure, low energy consumption, high purification efficiency and wide application range, and can effectively remove hydrogen chloride gas (HCl), hydrogen fluoride gas (HF), ammonia gas (NH3), sulfuric acid mist (H2SO4) Water-soluble gas such as acid mist (CrO3), hydrogen cyanide gas (HCN), alkali vapor (NaOH), hydrogen sulfide gas (H2S) and formalin (HCHO). Acid mist exhaust gas from the duct into the purification tower, through the filler layer, the exhaust gas and sodium hydroxide absorption liquid for gas-liquid two-phase full absorption and neutralization reaction, acid mist exhaust gas purification, and then by the defogging plate dewatering Fan into the atmosphere. Absorbent liquid in the bottom of the tower pressurized by the pump after the spray in the top of the tower, and finally back to the bottom of recycling. The purified acid mist exhaust gas meets the emission standard of Guangdong Province, which is lower than the national emission standard.


     Equipment features: This equipment is used to purify the exhaust gas tower, suitable for continuous and intermittent emissions of the treatment; process is simple, management, operation and maintenance is very simple and convenient, will not produce any impact on the workshop; The tower body can be used according to the actual situation FRP / PP / PVC and other materials; packing with high efficiency, low resistance of the Bauer (Bayer), low pressure, Ring, can be completely removed in the gas smell, harmful substances.


      Structure: The equipment consists of single tower and double tower. Using a circular tower body, flange connection from the sub-section. Specifically by the tank, tower, into the wind section, spray layer, packing layer, cyclone demister layer, the wind cap cone, viewing holes and other components.


      Application: The process and equipment can be widely used in chemical, electronics, metallurgy, electroplating, textile (chemical fiber), food, machinery manufacturing industry emissions during the acid and alkaline exhaust gas purification。 Such as seasoning food, acid, pickling, electroplating, electrolysis, batteries and so on。


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