• 常州工業廢氣治理

    詳細信息

     加工定制:是  品牌:天環  型號:TH-001  
     處理濃度:5 mg/l 處理風量:20000 m3/h 啟燃溫度:50 ℃ 
     適用領域:各類化工廠    
    常州工業廢氣處理*處理設備

          上世紀90年代末,有位作者曾回過蘇南老家寫道,小時候那種清清河水,坐著船就可到達四鄉八鎮的情景已一去不復返了。而令筆者吃驚的是,造成這種局面的主要因素竟然是工業生產垃圾。 中國這幾年的發展的確很大,工業生產效果也提高了不少,這些工業大垃圾如何處理呢?  
     
          為此我公司為了為了我們的生態環境,我的的身體健康著想,依托科研機構,大學院校,博采眾長,吸收利用。研制出不同種類的有機廢氣處理設備。這些廢氣處理設備都分別是:水林塔、低溫等離子、 UV光解空氣凈化器、活性炭吸附設備等其他有機廢氣處理設備。

          水塔,也稱廢氣凈化塔廢氣處理設備的工作原理是將氣體中的污染物質分離出來,轉化為無害物質,以達到凈化氣體的目的。
    活性炭吸附是利用活性炭的物理吸附、化學吸附、氧化、催化氧化和還原等性能去除氣體中的污染物。
    UV光解空氣凈化器是利用特制的高能高臭氧UV紫外線光束照射惡臭氣體,裂解惡臭氣體的裝置。
    低溫等離子是利用所產生的高能電子、自由基等活性粒子激活、電離、裂解工業廢氣中的各組成份。
        這些都是工業廢氣處理設備。可以有效的處理廢氣,從而達到目的,保護我們的環境。中國在治理污染問題上,任重道遠,需要依法辦事,制止惡性環保事件的發生,延緩環境惡化的速度。

    常州工業廢氣治理

     
    在橡膠輪胎生產過程中,會產生一定量得橡膠輪胎廢氣。這種廢氣的污染因子主要為工業粉塵、惡臭等污染物,雖然污染強度不大,但是廢氣排放量大、污染成分復雜多變,尤其是廢氣中惡臭成分對周圍環境、廠區環境造成一定的污染,擾民現象難以避免。  輪胎生產廢氣的主要成分:橡膠輪胎廢氣的臭氣成分復雜多變。大致可分成5類:
          1)、含硫的化合物:如H2S、SO2、硫醇類、類;
          2)、 粉塵類:如碳黑;
          3)、含氯的化合物:如酰胺、吲哚類;
          4)、烴類:如烷烴、烯烴、烴、芳香烴;
          5)、含氧的有機物,如醇、酚、醛、酮、有機酸等。
    其中無機物有H2S、SO2、炭黑等,絕大多數惡臭氣體產生的原生物質為有機物質。這些物質對人體健康危害較大。  從上述橡膠輪胎制造工藝各道工序中可以了解到橡膠輪胎廢氣的主要產生環節是煉膠和硫化兩個工序。
    (一)煉膠工序:煉膠包括塑煉和混煉。
    塑煉:是為了滿足各種加工工藝過程對膠料可塑度得要求,通常在一定條件下對生膠進行機械加工,使之由強韌的彈性狀態轉變為柔軟而具有可塑性的狀態,這個工 藝過程稱為塑煉。  混煉:是將塑煉膠或者具有一定可塑性的橡膠與配合劑在機械作用下混合均勻,制成膠料,以便制造具有各種性能的橡膠制品。 配合劑與膠料的混煉工藝過程可分為四個階段:混入、分散、混合和塑化。  橡膠輪胎廠煉膠量大,在煉膠時需要將各種配合劑和生膠加入密煉機的進料口中,因此在此過程中會產生一定量的原料泄露和一定量的粉塵泄露。而在密煉機的出料 口也會產生大量廢氣,除了煙塵和水蒸氣外,還含有油類混合物,包括乳化油和乳油。其中乳化油的油珠粒徑小于10微米,一般為0.1-2.0微米。氣體中含 有表面活性劑,使油珠成為穩定的乳化液,停留在管道就會形成油狀物,長期積累的油泥狀物直接排向大氣就會使周圍物體表面積附油垢。  煉膠廢氣中主要污染物含有粉塵、硫化氫、二硫化碳、甲苯、非總烴。
    (二)硫化工序
    硫化就是將具有一定塑性和黏性的膠料經過成型工藝后而制成的膠輥半成品在一定外部條件下通過化學因素(如硫化體系)的作用,重新轉化為軟質彈性橡膠制品或 硬質韌性橡膠制品,從而獲得使用性能的工藝過程。在硫化過程中,外部的條件使膠料組分中的混煉膠與硫化劑發生化學反應,由線形的橡膠大分子交聯成立體網狀結構的大分子,從而大大改善了橡膠的各項性能,使橡膠膠輥獲得了能滿足產品使用需要的硬度、耐熱、耐老化、耐酸堿、耐高溫、彈性等物理機械性能和其他性 能。硫化的實質是交聯,即線形的橡膠分子轉化為空間網狀結構過程。硫化分為四個階段:焦燒階段、熱硫化階段(欠硫期-預硫階段)、硫化平坦階段(正硫期- 正硫化階段)、過硫階段(過硫期)硫化過程中使用的硫化劑分為無機和有機兩大類。前一類有硫磺、一氯化硫、硒、碲等。后一類有含硫的促進劑(如促進劑 TMTD)、有機過氧化物(如醌肟化合物、多硫聚合物、甲酸乙酯、馬來酰亞胺衍生物等。  橡膠硫化劑包括元素硫、硒、碲,含硫化合物,過氧化物,醌類化合物,胺類化合物,樹脂類化合物,金屬氧化物以及異氰酸酯等。用得*普遍的是元素硫和含硫化 合物。  因此硫化過程中產生的廢氣主要成分為含硫化合物、含氧有機物、烴類等。
    橡膠廢氣、橡膠硫化煙氣危害比較大,廢氣成分含有惡臭物質,并隨著風向遠距離飄飄逸,在空氣中停留時間長。造成各種不良影響。因此,需要進行有效收集并做凈 化處理,以確保企業生產運行良好及改善車間及廠區環境、達到國家環保要求。
    高級氧化技術是對傳統處理技術中的經典化學氧化法,在改革的基礎上應運而生的一種新技術方法,他由GLAZEW.H,等人1987年提出,高級氧化技術 advanced OxidationProcesses簡稱AOP。指羥基自由基(OH)使難降解的污染物氧化成CO²、H2O和無害羧酸,接近完全礦化。它是*有前景的 處理難降解污染物的方法。
    LTAOP廢氣處理技術作用機理
    等離子發生器產生帶有強氧化性O、O3等氧化性物質在催化劑的作用下產生大量羥基自由基(OH),O3參與直接反應,OH參與簡介反應在PH﹥4條件下90%由間接反應完成,特別是對異臭氣體的分解,在直接和間接反應后分解率達95%以上。

    Professional treatment equipment for industrial waste gas treatment

    At the end of the 90s of last century, a writer once returned to South of Jiangsu's home and wrote that the sight of the clear river in the eight towns in four townships was gone. To my surprise, the main factor contributing to this situation is industrial waste. China's development in recent years is indeed great, and the industrial production effect has also increased a lot. How to deal with these industrial wastes? It
    It
    For the sake of our ecological environment and my health, we rely on scientific research institutions, university colleges and universities to absorb and utilize them. Different kinds of organic waste gas treatment equipment have been developed. These waste gas treatment equipment are: water forest tower, low temperature plasma, UV photolysis air purifier, activated carbon adsorption equipment and other organic waste gas treatment equipment.

    Water drenching tower, also known as exhaust gas purification tower. The working principle of the waste gas treatment equipment is to separate the pollutants from the gas and convert them into harmless substances so as to achieve the purpose of purifying the gas.
    Activated carbon adsorption is the use of activated carbon physical adsorption, chemical adsorption, oxidation, catalytic oxidation and reduction and other properties to remove pollutants in the gas.
    The UV photolysis air purifier is a device which uses special high-energy and high ozone UV ultraviolet beam to irradiate odorous gas to crack malodorous gas.
    Low temperature plasma is the use of high-energy electrons, free radicals and other active particles activated, ionized, pyrolysis of each component of industrial waste gas.
    These are all industrial waste gas treatment equipment. Can effectively deal with exhaust gas, so as to achieve the purpose and protect our environment. China has a long way to go in dealing with pollution problems. It needs to act in accordance with the law to stop the occurrence of vicious environmental incidents and delay the deterioration of the environment.

    In the process of rubber tire production, a certain amount of rubber tire exhaust gas will be generated. The pollution factors of this kind of waste gas are mainly industrial dust, odor and other pollutants. Although the pollution intensity is small, the emission of waste gas is large and the pollution components are complex and changeable. Especially, the odor components in the waste gas have caused certain pollution to the environment and the environment of the factory area, and the phenomenon of disturbing people is difficult to avoid. The main components of tire exhaust gas: rubber tire exhaust odor ingredients are complex and changeable. It can be divided into 5 categories:
    1) sulfur compounds: H2S, SO2, mercaptan, and so on.
    2), dust category, such as carbon black;
    3) chlorinated compounds such as amide and indole.
    4) hydrocarbons, such as alkanes, olefins, hydrocarbons and aromatic hydrocarbons.
    5) oxygen containing organic compounds such as alcohols, phenols, aldehydes, ketones, organic acids, etc.
    Inorganic substances include H2S, SO2, carbon black and so on. Most of the malodorous gases produce organic matter. These substances are harmful to the health of the human body. From the above rubber tire manufacturing process, we can understand that the main production process of rubber tire exhaust is two processes: rubber mixing and vulcanization.
    (1) rubber mixing process: Rubber making, including plastic mixing and mixing.
    Plastics: in order to meet the requirements of the plastic plasticity of various processing processes, the mechanical process of the raw rubber is usually processed under certain conditions to make the flexible state of elasticity transformed into a soft and plastic state. This process is called plastic. Mixing: it is a mixture of plastic or rubber with a certain plasticity under mechanical action and made into rubber to make rubber products with various properties. The mixing process of mixture and binder can be divided into four stages: mixing, dispersing, mixing and plasticizing. Rubber tire factory has a large amount of rubber, and in the process of refining, various additives and raw rubber should be added into the inlet of the mixer, so a certain amount of material leakage and a certain amount of dust leakage will be produced in this process. In the mixer outlet, there will also be a lot of waste gas. Besides smoke and steam, it also contains oil mixture, including emulsified oil and emulsifiable concentrate. Among them, the diameter of emulsified oil beads is less than 10 microns, generally 0.1-2.0 microns. The gas contains surfactant to make the oil bead a stable emulsion, and the oil will form in the pipeline. The long accumulated oil sludge will be directly discharged into the atmosphere, and the surface area of the surrounding objects will be attached to the oil. The main pollutants in rubber exhaust include dust, hydrogen sulfide, carbon disulfide, toluene and non total hydrocarbon.
    (two) vulcanization process
    Vulcanization is a semi finished rubber roll made of plastic and adhesive material after forming process. Under certain external conditions, through chemical factors (such as vulcanization system), it is reconverted into soft elastic rubber products or hard ductile rubber products, thus obtaining the process of performance. In the process of vulcanization, the external conditions cause the chemical reaction between the rubber and the vulcanizing agent in the rubber component, and the linear rubber macromolecules are crosslinked into the large molecules of the three-dimensional reticular structure, which greatly improves the properties of the rubber, and makes the rubber cots obtain the hardness, heat resistance, aging resistance that meet the needs of the products. Acid and alkali resistance, high temperature resistance, elasticity and other physical and mechanical properties and other properties. The essence of vulcanization is cross-linking, that is, the linear rubber molecule is transformed into a space net structure. The vulcanization is divided into four stages: the scorching stage, the hot vulcanization stage (the sulfur under sulfur phase), the flat phase of vulcanization (the sulphur phase - vulcanization stage) and the sulphur over phase (sulfur over period) are divided into two kinds of inorganic and organic compounds. The first category is sulfur, sulfur chloride, selenium, tellurium and so on.  The latter type has sulfur containing accelerators.
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