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      冷凝回收-高浓度VOCs处理 热氧化技术-高浓度VOCs处理 综合治理解决方案-低浓度VOCs处理
      冷凝回收原理 三种回收模式 回收溶剂类型 典型应用行业

      吸附冷凝回收

      The technology of adsorption condensate recovery

      ?技术原理

      废气经预处理(降温、过滤等)后,进入活性炭吸附罐,吸附效率可达90%-95%,达标排放;
      当活性炭达到饱和后,停止吸入有机废气。利用热源气体(蒸汽或氮气)作为脱附介质,将废气从活性炭中脱附出,即活性炭再生。
      脱附出的废气经多级冷凝,由气态转为液态,即溶剂回收。

      After exhaust gas is treated (cooling,filtration, etc.), it enters into the activated carbon adsorption tank. The adsorption efficiency is up to 90% -95%, the exhaust gas discharged conforms to the standard. When the activated carbon reaches the state of saturation, exhaust gas stops. The exhaust gas is desorpted from the activated carbon using the heat source gas (steam or nitrogen) as a desorption medium, that is the regeneration of activated carbon. The desorption exhaust gas is transferred into liquid from gaseous through the multi-level condensation, that is solvent recovery.

      吸附冷凝回收三种模式

      Three modes

      模式一:活性炭吸附水蒸气脱附冷凝回收 Activated carbon adsorption and water vapor desorption condensation recovery

      工艺特点 / Process Characteristics

      ◆ 高效:净化率达90~95% ◆ 节能:特殊设计,降低能耗 ◆ 安全:系统化防爆设计及安全节点监控 ◆ 智能:PLC 全自动化控制 ◆ 紧凑:设备结构紧凑,布局合理 ◆ 纯度高:专利型油水分离装置,溶剂分离效果好 Efficient: the purification rate is up 90% to 95% Energy saving: special design, reduce energy consumption Safety: systemic explosion protection design and safety node monitoring Smart: PLC fully automatic control Compact: complete compact structure, reasonable layout High purity: unique oil and water separation device, high effect of solvent separation

      模式二:活性炭吸附氮气保护脱附冷凝回收 Activated carbon adsorption and nitrogen protection desorption condensing recovery

      工艺特点 / Process Characteristics

      ◆ 高效稳定:净化率达90~95%以上 ◆ 无二次污染:不需要水蒸气,无二次污染 ◆ 回收溶剂品质好:含水量低(<0.1%)、纯度高 ◆ 安全性高:温度传感,冷却降温系统,氮气保护 ◆ 布置紧凑:占地空间小 ◆ 节能:分流冷凝,有效降低系统能量使用 ◆ 应用性广:适用于间歇作业,及VOCs分散排放的场所 Efficient: the purification rate is up 90% to 95% No secondary pollution:non-steam occasions, no secondary water pollution High quality of recovery solvent: low water content (<0.1%), high purity High safety: temperature monitoring, cooling system,nitrogenprotection Compact layout: small footprint Energy saving: shunt condensation, effectively reduce the system energy use Wide applicability: suitable for the intermittent operations, and VOCs the scattered emissions of place

      模式三:工业园区VOCs治理模式 Industrial Park VOCs Governance Model

      原理介绍 / Process Characteristics

      VOCs治理项目的专业性强,一次性投资大,后期运维费用高,企业投资压力大,环保排放超标风险高。
      在此背景下,宗亚环保创造性提出,工业园区有机废气(VOCs)治理 “分散收集、集中治理”的模式,采用“活性炭吸附罐” 分散收集、 氮气热脱附”集中治理的方式进行综合治理。
      该模式下业主方负责场地的提供,水电气等公用工程的接入,以及项目的总投资和运行费用,宗亚环保负责项目的设备采购、加工、安装、调试与运维,达标交付。

      VOCs treatment project project is highly professional, one-time investment, the late operation and maintenance costs, business investment pressure, environmental emissions exceeded the high risk.
      In this context, GooAir proposed that the industrial park organic waste gas (VOCs) treatment"scattered collection, centralized management" model, the use of "activated carbon adsorption tank" scattered
      collection, "nitrogen thermal desorption" centralized management of the way to comprehensive management
      In this mode, the owner is responsible for the provision of the site, water and electricity and other public works access, as well as the total investment and operating costs of the project,
      Zongya environmental responsibility for the project procurement, processing,installation, commissioning and operation and maintenance.

      分散收集集中脱附处理工艺流程图 The dispersion collection and concentrated desorption process f

      优势特点 / Advantages

      ◆ 大大降低企业一次性投资费用 ◆ 第三方环保物业服务,大大降低运维费用 ◆ 增强企业治理的积极性,有利于政府统一监管 ◆ 减轻企业的环保压力:无末端治理及监测问题;标准升级后,无末端设施更换问题;无活性炭运输问题 Greatly reduce the cost of once investment) Environmental property services, greatly reduce the operation and maintenance costs The enthusiasm of corporate governance is enhanced. it is convenient to the government unified supervision Reduce the environmental pressure of enterprises: no end of governance and monitoring issues; standard upgrade, no terminal equipment replacement problem; no activated carbon transport problems

      工程案例 / Engineering case

      上海某造漆厂: 3个车间5个吸附罐,距离间隔较远,VOCs分散且间歇排放,主要成分是甲苯、二甲苯、乙酸乙酯等,采用“分散收集+集中治理”模式,
      每个吸附罐25000 m3/h,每天24 h运行情况下,可回收溶剂0.8-1.0 t/d。

      回收溶剂类型

      Recovery of solvent type
      ◆ 醇类:乙醇、丁醇、异丙醇、苯甲醇等 ◆ 芳烃类:苯、甲苯、二甲苯、乙苯、异丙苯等 ◆ 烷烃类:正己烷、庚烷、环己烷、120#溶剂油等 ◆ 卤代烃类:二氯甲烷、二氯乙烷、三氯乙烯、氯仿、三氯乙烷等 ◆ 羟基酯类:乙酸乙酯、乙酸丁酯、乙酸甲酯、醋酸乙烯酯等
      Alcohols: ethanol, butanol, isopropyl alcohol, benzyl alcohol,ect. Aromatic hydrocarbons: benzene, toluene, xylene, ethylbenzene, cumene,ect. Alkanes: n-hexane, heptane, cyclohexane, 120 # solvent oil,ect. Halogenated hydrocarbons: dichloromethane, dichloroethane, trichlorethylene, chloroform, trichloroethane,ect. Hydroxy esters: ethyl acetate, butyl acetate, methyl acetate, vinyl acetate,ect.

      应用行业

      涂布Coating 胶粘制品Adhesive Products 石油化工Petrochemicals 精细化工Fine Chemicals 涂制药布Pharmaceuticals 印刷Printingetc
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