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BJT酸霧凈化塔設備原理和特點

作者: 來源: 日期:2016-10-11 15:48:39 人氣:0 評論:0

 

      設備原理:BJT酸霧凈化塔對于腐蝕性氣體(如酸、堿性廢氣)的治理,目前多采用液體吸收法治理。采用液體吸收法治理該廢氣,關鍵在于凈化設備的選擇。目前,我公司自主開發了凈化效率高、操作管理簡單、使用壽命長的酸、堿性廢氣凈化工藝與設備。該工藝與產品具有結構簡單、能耗低、凈化效率高和適用范圍廣的特點,能有效去除氯化氫氣體(HCl)、氟化氫氣體(HF)、氨氣(NH3)、硫酸霧(H2SO4)、鉻酸霧(CrO3)、氰氫酸氣體(HCN)、堿蒸氣(NaOH)、硫化氫氣體(H2S)、福爾馬林(HCHO)等水溶性氣體。酸霧廢氣由風管引入凈化塔,經過填料層,廢氣與氫氧化鈉吸收液進行氣液兩相充分接觸吸收中和反應,酸霧廢氣經過凈化后,再經除霧板脫水除霧后由風機排入大氣。吸收液在塔底經水泵增壓后在塔頂噴淋而下,最后回流至塔底循環使用。凈化后的酸霧廢氣達到廣東省地方排放標準的排放要求,低于國家排放標準。


     設備特點:本設備采用填料塔對廢氣進行凈化,適合于連續和間歇排放廢氣的治理;工藝簡單,管理、操作及維修相當方便簡潔,不會對車間的生產造成任何影響;適用范圍廣,可同時凈化多種污染物;壓降較低,操作彈性大,且具有很好的除霧性能;塔體可根據實際情況采用FRP/PP/PVC等材料制作;填料采用高效、低阻的鮑爾環,可徹底地去除氣體中的異味、有害物質等。


      結構形式:本設備分單塔體和雙塔體。采用圓形塔體,用法蘭分段聯接而成。具體由貯液箱、塔體、進風段、噴淋層、填料層、旋流除霧層、出風錐帽、觀檢孔等組成。


      應用場合:本工藝和設備可廣泛應用于化工、電子、冶金、電鍍、紡織(化纖)、食品、機械制造等行業過程中排放的酸、堿性廢氣的凈化處理。如調味食品、制酸、酸洗、電鍍、電解、蓄電池等。


     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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