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焚烧工艺废气处理工业废气汇总

作者: 来源: 日期:2016-7-18 11:01:56 人气:1 评论:0


浓缩转轮/焚烧炉RotorConcentrator/Oxidizer

    浓缩转轮/焚烧炉系统吸附大风量低浓度挥发性有机化合物(VOCs)。再把脱附后小风量高浓度废气导入焚烧炉予以分解净化。大风量低浓度的VOCs废气,通过一个由沸石为吸附材料的转轮,VOCs经被转轮吸附区的沸石所吸附后净化的气体经烟囱排到大气,再于脱附区中用180℃~200℃的小量热空气,将VOCs予以脱附。如此一高浓度小风量的脱附废气在导入焚烧炉中予以分解为二氧化碳及水气,净化的气体经烟囱排到大气。这一浓缩的工艺大大地降低燃料费用。


氯化有机物催化剂焚烧炉

    氯化有机物催化剂焚烧炉(ChlorinatedCatalyticOxidizer)系统依风量,污染物种类及所需去除效率而设计。


    在运行操作时,含VOCs的废气经氯化有机物催化剂焚烧炉风机抽到系统换热器中。废气通过换热器的管侧,再到燃烧机,此处将废气加热到催化剂反应温度。含VOCs废气通过特制的抗卤化物毒化的催化剂,转化成二氧化碳,水气并放出热。这热净化的气体通过换热器的壳侧,将热能加热浸入系统的废气,如此可以将燃料费用降到最小,在许多时候,如VOCs浓度够高,可以不需额外燃料系统即可自行运转。最后如有需要,可装设恩国洗涤塔以去除无机酸(如HCL,CL2,HBr,Br2等)。 氯化氢套装洗涤塔(HCLScrubberModule),氯化氢套装洗涤塔出口含HCL或CL2的气体导入氯化氢套装洗涤塔中的骤冷塔,循环汞喷注大量的水进入用超合金(Hastelloy)材质的骤冷塔(quenches)。这时水会把热废气降温并将部分的氯化氢予以吸收,之后经一气道进入逆流式的吸收塔。循环吸收溶液从吸收塔顶部的喷嘴喷洒而下,将剩余的氯化氢充份吸收,然后通过一除水层把水滴去除,再排到大气。


自动清理陶瓷过滤系统

    自动清理陶瓷过滤系统(Self-cleaningCeramicFilter)系依排风量,污染物种类和所需补及过滤效率有关。系统操作运行时,排自工艺废气(含有冷或热有机粒状物/有机凝结物质或VOCs)。被抽引至陶瓷过滤器中。废气通过依粒状物之例径大小及捕集效率大小而设计选用的陶瓷板,一组燃烧器,间歇或连续加热此一陶瓷板,使被捕集于此一陶瓷板的有机粒状物挥发而进到焚烧炉中,任何无机物被烧成无机灰并掉至腔体底部而予以收集。经挥发的有机物导至焚烧炉中(如催化剂式焚烧炉,直燃式焚烧炉)经焚烧转化为二氧化碳,水气和热气。


RTO蓄热式焚烧炉

     排放自工艺含VOCs的废气进入双槽RTO,三向切换风阀(POPPETVALVE)将此废气导入RTO的蓄热槽(EnergyRecoveryChamber)而预热此废气,含污染的废气被蓄热陶块渐渐地加热后进入燃烧室(CombustionChamber),VOCs在燃烧室被氧化而放出热能于第二蓄热槽中之陶块,用以减少辅助燃料的消耗。陶块被加热,燃烧氧化后的干净气体逐渐降低温度,因此出口温度略高于RTO入口温度。三向切换风阀切换改变RTO出口/入口温度。如果VOCs浓度够高,所放出的热能足够时,RTO即不需燃料。例如RTO热回收效率为95%时,RTO出口仅较入口温度高25℃而已。


蓄热式催化剂焚烧炉(RCO)

     排放自工艺含VOCs的废气进入双槽RCO,三向切换风阀(POPPETVALVE)将此废气导入RCO的蓄热槽(EnergyRecoveryChamber)而预热此废气,含污染的废气被蓄热陶块渐渐地加热后进入催化床(CatalystBed),VOCs在经催化剂分解被氧化而放出热能于第二蓄热槽中之陶块,用以减少辅助燃料的消耗。陶块被加热,燃烧氧化后的干净气体逐渐降低温度,因此出口温度略高于RCO入口温度。三向切换风阀切换改变RCO出口/入口温度。如果VOCs浓度够高,所放出的热能足够时,RCO即不需燃料。例如RCO热回收效率为95%时,RCO出口仅较入口温度高25℃而已。


催化剂焚烧炉CatalyticOxidizer

     催化剂焚烧炉的设计是依废气风量,VOCs浓度及所需知破坏去除效率而定。操作时含VOCs的废气用系统风机导入系统内的换热器,废气经由换热器管侧(Tubeside)而被加热后,再通过燃烧器,这时废气已被加热至催化分解温度,再通过催化剂床,催化分解会释放热能,而VOCs被分解为二氧化碳及水气。之后此一热且经净化气体进入换热器之壳侧(shellside)将管侧(tubeside)未经处理的VOC废气加热,此换热器会减少能源的消耗,最后,净化后的气体从烟囱排到大气中。


     直燃式焚烧炉的设计是依废气风量,VOCs浓度及所需知破坏去除效率而定。操作时含VOCs的废气用系统风机导入系统内的换热器,废气经由换热器管侧(Tubeside)而被加热后,再通过燃烧器,这时废气已被加热至催化分解温度(650~1000℃),并且有足够的留置时间(0。5~2。0秒)。这时会发生热反应,而VOCs被分解为二氧化碳及水气。之后此一热且经净化气体进入换热器之壳侧(shellside)将管侧(tubeside)未经处理的VOC废气加热,此换热器会减少能源的消耗(甚至于某适当的VOCs浓度以上时便不需额外的燃料),最后,净化后的气体从烟囱排到大气中。


直接燃烧焚烧炉DirectFiredThermalOxidizer-DFTO

     有时直接燃烧焚烧炉源于后燃烧器(After-Burner),直接燃烧焚烧炉使用经特别设计的燃烧器以加热高浓度的废气到ㄧ预先设的温度,于运转时废气被导入燃烧室(BurnerChamber)。燃烧器将VOCs及有毒空气污染物分解为无毒的物质(二氧化碳及水)并放出热,净化后的气体可再由一热回收系统以达节能的需求。


Rotor Concentrator / incinerator RotorConcentrator / Oxidizer

    Rotor Concentrator / incinerator system adsorption air volume low concentration of volatile organic compounds (VOCs). After a small amount of wind then desorbed gas is introduced into a high concentration of incinerators decomposition purification. Low wind concentration of VOCs emissions, by a zeolite adsorbent material for the wheel, VOCs are adsorbed by the zeolite after adsorption zone runner purified gas to the atmosphere through the chimney, and then by desorption zone at 180 ℃ ~ a small amount of hot air 200 ℃ will be desorbed VOCs. Such a high concentration of small amounts of desorbed gas in the air introduced into the incinerator to be decomposed into carbon dioxide and water vapor, purified gas through the chimney into the atmosphere. The enrichment process greatly reduced fuel costs.


The catalyst of chlorinated organics incinerator

    Chlorinated organics catalyst incinerator (ChlorinatedCatalyticOxidizer) system by air flow, contaminant species and required removal efficiency and design。


    When you run the operation by the exhaust gas catalyst of chlorinated organics incinerator blower system containing VOCs evacuated heat exchanger. Pipe-side exhaust gas through the heat exchanger, to the burner, where the catalyst is heated to the reaction temperature of the exhaust gas. Exhaust gases containing VOCs by a special anti-halide catalyst poisoning, into carbon dioxide, water vapor and emit heat. This hot purified gas through the shell side of the heat exchanger, the exhaust gas heat heating immersion systems, so fuel costs can be reduced to a minimum, in many cases, such as VOCs concentration is high enough, you can no additional fuel system to run itself . Finally, if necessary, can be installed Anguil scrubber to remove inorganic acid (such as HCL, CL2, HBr, Br2, etc.). Hydrogen chloride suit scrubber (HCLScrubberModule), gaseous hydrogen chloride suit scrubber outlet containing HCL or CL2 introducing hydrogen chloride suit scrubber quench tower, circulating mercury injection amount of water entering with superalloy (Hastelloy) Material quench tower ( quenches). Then the water will cool the hot exhaust gases and hydrogen chloride to be absorbed part, after a stretch through the tract into the counterflow absorber. Circulating the absorption solution from the absorber spray nozzle at the top, fully absorb the remaining hydrogen chloride, and then a layer to remove water droplets removed, then vented to the atmosphere.


Ceramic Filter automatic clean-up system


    Automatic clean-up ceramic filter system (Self-cleaningCeramicFilter) exhaust system according to the amount and types of pollutants required to fill and filtration efficiency related. Operating system is running, exhaust gas from the process (cold or hot containing organic particulate matter / organic coagulant substance or VOCs). By evacuating to the ceramic filter. Example path through the exhaust gas according to the size and the size of the particulate matter collection efficiency of the design chosen ceramic plate, a burner, a batch or a continuous heating the ceramic plates that trapped here a ceramic plate and volatile organic particulate matter into the incinerator and be collected by any of the inorganic ashes and inorganic burned off to the bottom of the cavity. By volatile organic compounds lead to the incinerator (catalyst incinerator, direct-fired incinerator) by incineration is converted to carbon dioxide, water vapor and heat.


RTO Regenerative Thermal Oxidizer

     Emissions from process exhaust gases containing VOCs into the double slot RTO, three-way switching valve (POPPETVALVE) this gas is introduced into the storage tank RTO (EnergyRecoveryChamber) and preheat the exhaust gas, containing contaminated waste gas is gradually heated regenerative ceramic block after entering the combustion chamber (CombustionChamber), VOCs are oxidized in the combustion chamber and heat energy is released in the second heat storage tank of the ceramic block, to reduce the consumption of auxiliary fuel. Ceramic block is heated, clean combustion gas after oxidation gradually lowering the temperature, so the outlet temperature slightly higher than the RTO inlet temperature. Three-way switching valve is switched to change the RTO outlet / inlet temperature. If VOCs concentration is high enough, the released heat enough, RTO ie without fuel. For example RTO heat recovery efficiency of 95%, RTO inlet temperature higher than the export only 25 ℃ only.


Regenerative catalyst incinerator (RCO)

     Emissions from process exhaust gases containing VOCs into the double slot RCO, three-way switching valve (POPPETVALVE) this gas is introduced into the storage tank RCO (EnergyRecoveryChamber) and preheat the exhaust gas, containing contaminated waste gas is gradually heated regenerative ceramic block after entering the catalytic bed (CatalystBed), VOCs by decomposition catalyst in the oxidation of heat energy is released in the second heat storage tank of the ceramic block, to reduce the consumption of auxiliary fuel. Ceramic block is heated, clean combustion gas after oxidation gradually lowering the temperature, so the outlet temperature slightly higher than the inlet temperature of the RCO. Three-way switching valve is switched to change the RCO outlet / inlet temperature. If VOCs concentration is high enough, the released heat enough, RCO ie without fuel. For example RCO heat recovery efficiency of 95%, RCO export only higher than the inlet temperature is 25 ℃ only.


The catalyst incinerator CatalyticOxidizer

     The catalyst incinerator is designed according to the exhaust air flow, VOCs concentration and destruction removal efficiency required to be known。 Operation with exhaust gas heat exchanger into the system within the wind turbine system containing the VOCs, after the exhaust gas is heated by the heat exchanger tube side (Tubeside), then through the burner, then the exhaust gas had been heated to a temperature of the catalytic decomposition, and then by catalyst bed catalytic decomposition releases heat, and VOCs are decomposed into carbon dioxide and water vapor。 After a hot and purified gas into the shell side of the heat exchanger (shellside) heating the tube VOC exhaust side (tubeside) untreated, this heat exchanger will reduce energy consumption, and finally, purified gas from the chimney vented to the atmosphere。


     Direct-fired incinerator is designed according to the exhaust air flow, VOCs concentration and destruction removal efficiency required to be known. Operation with exhaust gas heat exchanger into the system within the wind turbine system containing the VOCs, after the exhaust gas is heated by the heat exchanger tube side (Tubeside), then through the burner, when the exhaust gas has been heated to the catalytic decomposition temperature (650 ~ 1000 ℃), and sufficient retention time (0.5 to 2.0 seconds). Then undergo thermal reactions, and VOCs are decomposed into carbon dioxide and water vapor. After a hot and purified gas into the shell side of the heat exchanger (shellside) the tube side (tubeside) untreated VOC gas heating, the heat exchanger will reduce energy consumption (more than adequate even certain VOCs concentration when they do not need additional fuel), and finally, purified gas from the chimney into the atmosphere.


Direct fired incinerator DirectFiredThermalOxidizer-DFTO

     Sometimes directly from the combustion incinerator afterburner (After-Burner), direct fired incinerator using specially designed burners to heat the exhaust gas to a high concentration ㄧ preset temperature, when in operation the exhaust gas is introduced into the combustion chamber (BurnerChamber )。 Burner VOCs and toxic air pollutants decomposed into non-toxic substances (carbon dioxide and water) and release heat, the gas can be further purified by a heat recovery system to achieve energy needs。


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