Overview
Split explosion-proof air conditioners are critical climate control systems engineered for industrial environments with explosive atmospheres. Unlike standard units, they incorporate specialized designs to prevent ignition of flammable substances through multiple protection methods including flameproof enclosures and intrinsic safety barriers. These systems consist of separate indoor and outdoor units connected by refrigerant lines, allowing flexible installation in hazardous zones while locating compressors in safe areas. They are classified by protection types (Ex d, Ex e, Ex ib) corresponding to different explosion-proof standards.
Structure and Working Principle
The system comprises an explosion-proof indoor unit with sealed electrical components, reinforced heat exchangers, and spark-free fan motors. The outdoor unit houses conventional components but maintains safe distances from hazardous areas. Refrigerant piping features double-wall designs with leak detection. Working principles follow standard vapor compression cycles, but all potential ignition sources are eliminated through encapsulation, current limitation, or isolation. Critical components like thermostats and relays use intrinsically safe circuits that cannot generate sparks exceeding the minimum ignition energy of surrounding gases.
Key Features
1. Certification Compliance: Meets ATEX 114 (EU), IECEx (international), or NEC 500/505 (North America) standards with clear zone classification markings (1/21 for gases, 2/22 for dust). 2. Robust Construction: Stainless steel cabinets with IP65-rated seals prevent dust/water ingress. Heat exchangers use corrosion-resistant alloys for chemical environments. Motors feature non-sparking aluminum fan blades and magnetic bearing systems.
Application Areas
Primary installations include petrochemical processing plants (refineries, LNG terminals), where they maintain safe temperatures for control rooms adjacent to hazardous areas. Pharmaceutical manufacturing utilizes them in solvent handling zones to prevent static buildup. Mining applications focus on underground coal seams where methane accumulation occurs. Special marine versions serve offshore oil platforms with saltwater-resistant coatings. Food processing plants deploy dust-proof variants in grain silos and flour mills.
Maintenance and Precautions
Routine maintenance requires certified technicians using non-sparking tools. Quarterly inspections should verify seal integrity, electrical grounding, and refrigerant pressure. Filter cleaning uses vacuum systems instead of compressed air to avoid dust dispersion. Critical precautions include never operating with damaged enclosures, ensuring proper zone classification labels are legible, and using only manufacturer-approved replacement parts. Annual recertification by authorized bodies is mandatory in most jurisdictions.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with documented certification capabilities (ISO 80079 series). Key procurement factors include: 1. Capacity Matching: Calculate heat loads including process heat gains using IEC 60079-10 formulas 2. Lead Times: Custom units require 12-20 weeks for certification processing 3. After-Sales: Verify availability of local certified maintenance teams 4. Total Cost: Include explosion-proof conduit wiring and specialized installation in budgets
Related Manufacturers
- 主营：防爆集装箱、防爆配电箱、防爆分析小屋、危废品暂存柜
- 主营：[]
- 主营：粮仓空调、粮库空调、粮面控温机、粮库控温机组、粮库降温机组
- 主营：保护箱定做、配电箱定制、远程控制箱、防爆箱、防爆空调、防爆操作柱、防爆配电箱、防爆防腐操作柱、配电箱定做、防水插座箱、配电箱防腐、照明动力箱、动力配电箱、三防操作柱、不锈钢配电箱、订制接线控制箱、远程按钮操作柱、应急照明配电箱、动力配电控制箱、防水照明仪表箱、照明动力接线箱
- 主营：防爆空调、防爆配电箱、防爆小屋、防爆照明配电箱、防爆配电柜、防爆控制箱、防爆控制柜、防爆正压柜、防爆电控柜、防爆监控、防爆灯具、防爆计算机、防爆除湿机、防爆接线箱、防爆电源箱、防爆仪表箱、防爆检修箱
- 主营：控制柜、控制箱、除湿机吊顶、空调机、柜机空调、防爆电脑、防爆空调、防爆电气、挂机空调、防爆变频、三禾防爆、防爆仪表、防爆除湿机、配电箱防爆、人防军工防爆、船用防爆工业、工业机房防爆、工业除湿机、防腐除湿机、除湿机定制、除湿机除湿、仓库防潮空气、除湿机经销商
- 主营：防爆配电箱、防爆控制箱、防爆接线箱、防爆电源箱、防爆正压柜、防爆照明箱、防爆动力箱、防爆检修箱、防爆变频柜、防爆电控柜、防爆动力照明箱、防爆动力配电箱、防爆动力照明配电箱、防爆检修电源箱、防爆插座箱、防爆开关箱、防爆空调、防爆操作柱、防爆穿线盒、防爆箱、防爆挠性连接管、防爆挠性管、防爆配电柜、防爆控制柜
- 主营：强光led灯、应急手电、照明灯具、防爆led灯、防爆头灯、立式防爆、防爆强光灯、防爆控制箱、防爆正压柜、防爆手电筒、防爆接线盒、防爆配电箱、led工作灯、led荧光灯、双面方位灯、泛光工作灯、底座工作灯、轻便工作灯、充电手电筒、户外应急箱、多功能强光、双面警示灯、强光手电筒、户外工作灯、应急搜索灯
- 主营：注浆泵、注液泵、气体检测仪、防爆摄像仪、自动隔爆装置、自救器、钻机、钻头钻杆、电机车、避难硐室、托辊、压风自救装置、铁路、排渣器、放水器、防回火、防回水回气、巷道灯
- 主营：防爆挂壁式空调、防爆立柜式空调、风管式防爆空调、防爆空调1匹、防爆空调1.5匹、防爆空调2匹、防爆空调3匹、防爆空调5匹、防爆空调10匹、防爆空调壁挂机、防爆空调柜机、防爆除湿机
- 主营：防爆空调、防爆除湿机、防爆风机盘管、防爆加湿机、防爆风管机、防爆空调机组、防爆冰箱、防爆冷藏柜、防爆恒温恒湿机、防爆调温除湿机、防爆屋顶式空调机组、防爆一体式空调、全新风防爆空调机组、防爆湿膜加湿机、防爆超声波加湿机、工业空调、防爆工业空调、防爆移动空调、防爆电气控制柜、防爆新风机组、防爆风幕机、工业除湿机、工业加湿机
- 主营：防爆配电箱、防爆排风扇、防爆灯具、防爆挠性连接管、防爆空调、防爆插头、防爆电缆密封夹紧接头、防爆接头、防爆风机、防爆插销、led防爆灯、防爆指示灯、防爆路灯头、防爆活接头、防爆照明灯、led投光灯、防腐操作柱
- 主营：冰水机、模温机、冷水机、精密空调、机房空调、防爆冷库、大型冷冻机、油气回收、盐水机组、制冷设备、90度烘干机、温度控制机、盐水冷冻机、空气源热泵、冷热一体机、反应釜控温、樱桃制冷机、低温冷冻机、螺杆冷冻机、风冷冷冻机、不锈钢水箱、80度烘干机房、导热油加热器、液压油控制机、液压油冷却机
- 主营：防爆空调、防爆配电箱、防爆正压柜、防爆分析小屋、防爆控制箱、防爆接线箱
- 主营：防爆空调、防爆接线箱、防爆接线盒、防爆穿线盒、防爆断路器、防爆磁力启动器、防爆挠性管、防爆灯具、防爆格兰头、防爆配电箱、防爆控制箱、防爆配电柜、防爆控制柜、防爆正压柜、防爆开关、防爆插座、防爆无火花插销、防爆动力箱、防爆照明箱、防爆检修箱
- 主营：防爆分析小屋、防爆空调、防爆正压柜、防爆配电箱、防爆控制箱、防爆接线箱、防爆暖风机
- 主营：锚索张拉机具、锚索退锚器、锚杆切断器、1P防爆空调、防溢裙板、暖风机、环链液压剪、实验室破碎机、实验室浮选机、矿用管道挂钩、矿用电缆挂钩、气动油泵、混凝土喷射机、反光防倒带、聚酯纤维增强塑料网、钻孔油枕应力计、防倒硬连接装置、汽水分离器、矿用湿式除尘风机、风幕机热风幕、锚杆索切断器、单体支柱测力计测压仪、扭矩放大器扭力倍增器、乳化液泵、顶板离层仪
- 主营：防爆箱、防爆柜、防爆配电箱、防爆控制柜、防爆空调、防爆认证、防爆小屋