工业炼化尾气发电技术

　　Industrial refining tail gas power generation technology

　　核心技术及工艺：通过工业炼化尾气安全防泄漏系统、防回火进气系统、空燃比自动控制、智能管理、远程监控等技术，避免工业炼化尾气作为内燃机燃料时回火、放炮、爆震等不正常燃烧现象，隔离 CO、H2S等有毒成分，实现发电机组的全自动控制，有效解决燃气内燃发电机组燃用工业炼化尾气（H2≥60%，CO≥90%）的难题 。

　　Core technologies and processes: Through industrial refining tail gas safety and leakage prevention system, anti backfire intake system, automatic control of air-fuel ratio, intelligent management, remote monitoring and other technologies, abnormal combustion phenomena such as backfire, blasting, and detonation when industrial refining tail gas is used as internal combustion engine fuel are avoided. Toxic components such as CO and H2S are isolated to achieve fully automatic control of the generator set, effectively solving the problem of using industrial refining tail gas (H2 ≥ 60%, CO ≥ 90%) for gas-fired internal combustion generator sets.

　　主要技术参数：发电机组单机功率500kW-1200kW；适应燃气低热值≥3.8MJ/Nm3；燃气中氢气含量≤60%；燃气中一氧化碳含量≤90%；额定工况燃气热耗率≤10.5MJ/kWh；机油消耗率≤0.8g/kWh。

　　Main technical parameters: single unit power of the generator set is 500kW-1200kW; Adapt to gas with a low calorific value of ≥ 3.8MJ/Nm3; The hydrogen content in the gas is ≤ 60%; Carbon monoxide content in gas ≤ 90%; Rated operating condition gas heat consumption rate ≤ 10.5MJ/kWh; Oil consumption rate ≤ 0.8g/kWh.

　　综合效益：发电效率≥37%，降低煤炭消耗，有效减少 CO2排放。

　　Comprehensive benefits: power generation efficiency ≥ 37%, reduced coal consumption, and effectively reduced CO2 emissions.

　　炼化尾气发电是将工业炼化过程中产生的可燃尾气作为燃料，通过内燃机等设备转化为电能的技术，具有节能、减排和资源综合利用的多重效益。以下是相关技术要点和应用案例：

　　Refining tail gas power generation is a technology that uses combustible tail gas generated during industrial refining processes as fuel and converts it into electrical energy through internal combustion engines and other equipment. It has multiple benefits of energy conservation, emission reduction, and comprehensive resource utilization. The following are the relevant technical points and application cases:

　　核心技术与工艺

　　Core Technologies and Processes

　　安全防泄漏与防回火系统：针对炼化尾气成分复杂、易燃易爆的特点，采用隔离进气、纯空气扫气等技术，防止回火、爆震等安全事故，确保设备运行安全。

　　Safety leakage and backfire prevention system: In response to the complex and flammable characteristics of refining exhaust gas, technologies such as isolated intake and pure air scavenging are adopted to prevent safety accidents such as backfire and detonation, ensuring the safe operation of equipment.

　　空燃比自动控制：通过智能控制系统实时调整空气与尾气的混合比例，优化燃烧效率，提高发电效率并减少污染物排放。

　　Automatic control of air-fuel ratio: Real time adjustment of the mixing ratio of air and exhaust through an intelligent control system, optimizing combustion efficiency, improving power generation efficiency, and reducing pollutant emissions.

　　气体净化处理：对尾气中的杂质（如硫化物、焦油、粉尘等）进行预处理，降低对设备的腐蚀和磨损，保证发电系统的稳定运行。

　　Gas purification treatment: Pre treat impurities (such as sulfides, tar, dust, etc.) in exhaust gas to reduce corrosion and wear on equipment and ensure stable operation of the power generation system.

　　主要技术参数

　　Main technical parameters

　　发电机组单机功率通常为500kW-1200kW，适应燃气低热值≥3.8MJ/Nm?。

　　The single unit power of the generator set is usually 500kW-1200kW, suitable for gas low calorific value ≥ 3.8MJ/Nm?.

　　发电效率可达35%-38%，有效降低煤炭消耗和CO?排放。

　　The power generation efficiency can reach 35% -38%, effectively reducing coal consumption and CO? Emissions.

　　应用案例

　　Application Cases

　　山东某焦炉煤气发电站：采用500kW氢气发电机组，利用含氢60%-75%的焦炉煤气发电，发电效率提升至32%-35%，解决了回火放炮问题，提高了运行安全性。

　　A coke oven gas power station in Shandong Province uses a 500kW hydrogen generator set to generate electricity using coke oven gas containing 60% -75% hydrogen. The power generation efficiency is increased to 32% -35%, solving the problem of backfire and improving operational safety.

　　玉柴铁合金尾气发电项目：在铁合金冶炼尾气处理中，通过冷却、除尘、稳压等预处理后，利用内燃机发电，发电效率≥40%，每年可节约大量电量并减少二氧化碳排放。

　　Yuchai Ferroalloy Tail Gas Power Generation Project: In the treatment of tail gas from ferroalloy smelting, after pre-treatment such as cooling, dust removal, and voltage stabilization, internal combustion engines are used to generate electricity with a power generation efficiency of ≥ 40%, which can save a large amount of electricity and reduce carbon dioxide emissions annually.

　　综合效益

　　comprehensive benefits

　　能源利用：将原本直接排放或低效利用的尾气转化为电能，提高能源利用率，降低企业能源成本。

　　Energy utilization: converting exhaust gases that were originally directly emitted or inefficiently utilized into electrical energy, improving energy utilization efficiency, and reducing energy costs for enterprises.

　　环保减排：减少尾气直接排放对大气环境的污染，降低温室气体和有害气体排放，符合环保要求。

　　Environmental protection and emission reduction: Reduce direct exhaust emissions that pollute the atmospheric environment, lower greenhouse gas and harmful gas emissions, and comply with environmental protection requirements.

　　经济效益：通过发电自用或并网销售，为企业创造额外收益，同时减少环保处罚风险。

　　Economic benefits: By generating electricity for self use or grid connected sales, it creates additional income for enterprises while reducing the risk of environmental penalties.

　　注意事项

　　Precautions

　　尾气成分需符合机组要求，如氢气含量、热值、杂质含量等，需提前进行检测和预处理。

　　The exhaust composition must meet the requirements of the unit, such as hydrogen content, calorific value, impurity content, etc., and should be tested and pre treated in advance.

　　设备选型需根据尾气特性和发电需求匹配，确保安全性和经济性。

　　Equipment selection should be matched based on exhaust characteristics and power generation needs to ensure safety and economy.

　　需建立完善的运行维护体系，包括气体监测、设备保养、安全防护等，保障系统长期稳定运行。

　　It is necessary to establish a comprehensive operation and maintenance system, including gas monitoring, equipment maintenance, safety protection, etc., to ensure the long-term stable operation of the system.

　　该技术在化工、炼油、垃圾处理等领域有广泛应用前景，是实现工业绿色发展的重要途径之一。

　　This technology has broad application prospects in fields such as chemical engineering, oil refining, and waste treatment, and is one of the important ways to achieve green industrial development.

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