Overview
The Sinopec Internal Floating Roof is a critical component for modern petroleum storage tanks, combining the advantages of fixed and floating roofs. Developed by China Petroleum & Chemical Corporation (Sinopec), it is engineered to mitigate evaporation losses of volatile liquids while complying with environmental standards. Its hybrid design integrates a stationary outer roof with an internal floating deck, making it ideal for regions with stringent emission regulations. This system is widely adopted in refineries, terminals, and chemical plants due to its adaptability to existing fixed-roof tanks. It addresses common challenges like rainwater ingress and vapor space corrosion, offering a cost-effective upgrade for legacy storage infrastructure.
Structure and Working Principle
The internal floating roof consists of a buoyant deck (often aluminum or stainless steel) that rises and falls with the liquid level, sealed by perimeter-mounted wipers or flexible seals. The fixed outer roof provides weather protection, while the floating deck minimizes vapor space, reducing VOC emissions by up to 99% compared to open-top tanks. Key structural elements include support legs (retractable for maintenance), vent systems for pressure equilibrium, and anti-rotation devices. Advanced designs incorporate secondary seals and electrostatic bonding to enhance safety. The system operates passively, requiring no external energy, and is compatible with liquids ranging from crude oil to ethanol.
Key Features
1. **Emission Control**: Meets EPA and international standards for VOC reduction, crucial for environmental compliance. 2. **Material Durability**: Corrosion-resistant coatings and alloys extend service life in harsh chemical environments. 3. **Modularity**: Panels are bolted or welded for easy installation and repair. 4. **Safety**: Eliminates explosive vapor-air mixtures, reducing fire risks. Additional features include leak detection systems and optional thermal insulation for temperature-sensitive products. Customizable sizes (typically 10–100m diameter) accommodate diverse tank specifications.
Application Areas
Primary applications include: 1. **Refineries**: Storage of gasoline, diesel, and jet fuel. 2. **Chemical Plants**: Handling solvents like benzene and xylene. 3. **Strategic Reserves**: Large-scale crude oil storage with minimal loss. The technology is also adapted for ethanol biofuels and edible oil storage, where product purity and evaporation control are paramount. Emerging markets include LNG terminals with modified low-temperature designs.
Maintenance and Precautions
Routine inspections should check for seal degradation, leg alignment, and deck punctures. Annual cleaning removes sludge buildup that could impede floatation. Use only non-sparking tools during maintenance to prevent ignition. Critical precautions: 1. Avoid overfilling to prevent deck damage. 2. Monitor for seal tears after extreme weather. 3. Comply with API 650 Annex H or EN 14015 standards for structural assessments. Partner with certified inspectors for biennial integrity evaluations.
B2B Procurement Guide
When sourcing, verify: 1. **Supplier Credentials**: Sinopec-authorized vendors or ISO 9001-certified manufacturers. 2. **Customization**: Ability to tailor deck thickness (typically 3–12mm) and seal types (liquid-mounted or mechanical). 3. **Lead Time**: 8–12 weeks for bespoke designs. Request material test reports (MTRs) and factory acceptance tests (FATs). Budget for ancillary costs like installation supervision (approximately 10–15% of hardware cost). Compare warranties—industry-standard is 5 years for materials and 2 years for workmanship.
Related Manufacturers
- 主营：内浮盘、浮盘、鹤管、全接液浮盘
- 主营：船用臂、液化气鹤管、低温鹤管、内浮盘、全接液内浮盘、内浮顶、撬装鹤管、液下装卸车系统、液氨鹤管、装卸鹤管、活动梯、卸油鹤管、伴热鹤管、密闭鹤管、浮动出油装置、登船梯、不锈钢浮盘、浮筒式浮盘
- 主营：流体装卸臂、装卸鹤管、定量装车系统、甲醇内浮盘、全接液内浮盘、内浮顶、活动梯、液氨鹤管、不锈钢浮盘、浮筒浮盘、LNG鹤管、装车鹤管
- 主营：烧酒锅、酒设备、双层锅、圆柱内浮顶储罐、酒锅炉、造酒机、酿酒机、蒸酒锅、纯露机、小灶酒、造酒工具、酿造设备、蒸馏设备、蒸粮设备、制酒工具、玉米酿酒、小烧设备、煮酒烤酒机、啤酒蒸酒罐、自动烤酒机、煮酒蒸酒器、米酒煮酒锅、粮食蒸酒机、烧酒酿酒器、酿酒小设备、白酒蒸酒机
- 主营：密闭采样器、密闭取样器、旋转喷射器、调和器、储罐清洗器、浮盘、储罐采样器、罐下取样器、氢气密闭取样器、旋转喷射搅拌器、旋转喷射调和器、旋转喷射沉底冲洗器、油品调合旋转喷头、不锈钢全接液浮盘、液氢密闭采样器、液体密闭取样器、自旋转喷射搅拌器、罐底油泥清洗器、浮筒式浮盘、旋转喷射调合器、管道采样器、旋转喷射沉积冲扫器、气体密闭采样器
- 主营：lng鹤管、api干式阀、密闭装车、储罐内浮、底部装卸臂、万向充装臂、流体装卸臂、液化气鹤管、紧急脱离装置、管道焊接接头、衬四氟装卸臂、环氧乙烷鹤管、食品级装卸臂、装卸臂活动梯
- 主营：通风帽、输水管、钢格栅、通气管、异径管、雨水斗、pe管连接、排水快防、排水漏斗、地面全铜、人孔旋转、防水套管、垂直吊盖、闸阀套筒、阀门套筒、水管管道、法兰直通、碳钢焊接、碳钢吸水、防爆地漏、水泵进出口、吸水喇叭口、铸铁不锈钢、立式给水泵、手动插板门
- 主营：警报灯、警示灯、桥梁监测、内浮顶罐雷达液位计、安全检测、振动监测、实时监测系统、智能化控制系统、耐高温接近开关
- 主营：搪瓷拼装罐、环氧树脂罐、铝穹顶盖、全接液不锈钢内浮顶、压力容器、反应器、塔器、顶盖、污水处理设备、反应釜
- 主营：全接液浮盘、网壳钢结构、重锤式刮蜡器械
- 主营：lng鹤管、铝浮盘、丙烷卸车、全接液内浮顶、装卸鹤管、旋转接头、撬装鹤管、活动梯三步、鹤管装卸臂
- 主营：六边形内浮顶、铝网壳、钢网壳
- 主营：内浮盘、活动梯、石油化工码头
- 主营：登船梯、鹤管平台、液化气鹤管、浮顶、流体装卸臂、鹤管装卸臂、紧急脱离装置
- 主营：防腐施工、污水池防腐、耐酸碱防腐、玻璃钢防腐、玻璃钢防腐施工、耐酸砖施工、花岗岩防腐施工、三布五油防腐、三布五油玻璃钢防腐、五布七油玻璃钢防腐、防腐施工队