一、高氢炼化尾气气体特点?

　　1、 Characteristics of high hydrogen refining tail gas?

　　在化工过程产生中会生产大量的可燃尾气，同样，采用垃圾处理设备裂解生活或工业垃圾时也产生含氢的废气，该可燃尾气的特点：成分复杂、含氢量高、热值低、易爆、处理成本高、利用难度大。

　　During the chemical process, a large amount of combustible exhaust gas is produced. Similarly, when using waste treatment equipment to crack household or industrial waste, hydrogen containing exhaust gas is also produced. The characteristics of this combustible exhaust gas include complex composition, high hydrogen content, low calorific value, explosiveness, high treatment cost, and difficult utilization.

　　在没有选择合适的应用方式时，大部分的企业很多采用直接排空、火炬燃烧、烧锅炉方式，这样就造成了能源浪费，同时企业可能会受到处罚并要求整改。二、高氢炼化尾气发电机组针对炼化尾气气源，专门研制了利用该气源的发电机组。针对燃气易回火和爆震的特点，采用了全新的进气方式、排气方式和空燃比控制方式，进行了全新的设计并经过耐久性试验。

　　Without selecting the appropriate application method, most enterprises adopt direct emptying, torch combustion, and boiler burning methods, which results in energy waste. At the same time, enterprises may be subject to environmental penalties and required to rectify. 2、 A high hydrogen refining tail gas generator set has been specially developed to utilize the refining tail gas source. In response to the characteristics of gas flashback and detonation, a new intake method, exhaust method, and air-fuel ratio control method have been adopted, and a new design has been carried out and durability tests have been conducted.

　　机组从性和利用效率两方面了多年来对此类燃气利用的难题，广泛应用于焦炉煤气、高炉煤气、兰炭气、甲醇驰放气、化工裂解气、垃圾气等各类炼化、垃圾处理等领域，开创了可燃炼化尾气和垃圾裂解气利用的新市场。

　　The unit has solved the long-standing problems in the utilization of this type of gas from both safety and utilization efficiency aspects, and has been widely used in various refining and waste treatment fields such as coke oven gas, blast furnace gas, blue charcoal gas, methanol release gas, chemical cracking gas, garbage gas, etc. It has opened up a new market for the utilization of combustible refining tail gas and garbage cracking gas.

　　按照尾气中主要可燃成分区分，可分为两种：一种以焦化尾气、化工驰放气为代表，其气体中氢气含量较高的（含氢气高于30%直100%，且其它可燃成分低于氢气），可选用高氢燃气机组发电利用；一种是氢含量较少（含氢气低于 30%，且其它可燃成分高于氢气），可选用低氢燃气机组发电利用。

　　According to the main combustible components in exhaust gas, it can be divided into two types: one is represented by coking exhaust gas and chemical exhaust gas, which have a high hydrogen content in the gas (including hydrogen content higher than 30% to 100%, and other combustible components lower than hydrogen), and can be used for power generation with high hydrogen gas turbines; One option is to use low hydrogen gas turbines for power generation and utilization, as the hydrogen content is relatively low (with less than 30% hydrogen and other combustible components higher than hydrogen).

　　三、机组主要技术特点及性保证措施3.1进气隔离技术?采用燃气和空气隔离的进气技术，空气经增压器压气后进入左、右进气管，燃气由各缸燃气阀独立供气。空气和燃气在进入发动机缸内混合，在进气管内没有空气和燃气的混合燃气，防止了进气管的回火放炮，保证了进气系统的运行。

　　3、 Main technical characteristics and safety assurance measures of the unit 3.1 Air intake isolation technology? The intake technology adopts gas and air isolation. The air is compressed by the supercharger and enters the left and right intake pipes. The gas is independently supplied by the gas valves of each cylinder. Air and gas mix when entering the engine cylinder, and there is no mixture of air and gas in the intake pipe, which prevents backfire and ensures the safe operation of the intake system.

　　3.2 纯空气扫气技术采用纯空气对燃烧室扫气的技术，避免了未燃烧的混合燃气进入排气管，防止排气管爆燃放炮，保证排气系统、增压器的运行（在电站运行现场，机组的运行平稳性及声音和天然气机组一样）；

　　3.2 Pure air scavenging technology uses pure air to sweep the combustion chamber, avoiding unburned mixed gas from entering the exhaust pipe, preventing the exhaust pipe from exploding and firing, and ensuring the safe operation of the exhaust system and turbocharger (at the power plant operation site, the stability and sound of the unit are the same as natural gas units);

　　同时，由于只有空气而没有燃气扫气，减少了燃气的损失，提高了燃气发电的利用效率。3.3 自动控制空燃比技术自动控制空燃比，确保机组运行在合理的空燃比范围，保障机组稳定运行，减少人工的干预，同时提高了发动机的燃烧做功效率。

　　Meanwhile, due to the presence of only air without gas scavenging, the loss of gas is reduced and the utilization efficiency of gas-fired power generation is improved. 3.3 Automatic control air-fuel ratio technology automatically controls the air-fuel ratio to ensure that the unit operates within the most reasonable air-fuel ratio range, guarantees stable operation of the unit, reduces manual intervention, and improves the combustion efficiency of the engine.

　　3.4 抗爆震技术采用大能量点火系统、降低压缩比、中冷技术和空燃比控制技术，抑制了氢气的爆震。

　　3.4 Anti knock technology adopts high-energy ignition system, reduced compression ratio, intercooler technology, and air-fuel ratio control technology to suppress hydrogen detonation.

　　3.5 机组转速机型转速为 1000r/min，相对于 1500r/min 高速机，降低了机械部件的运动冲击，延长了机组的使用寿命，减少了配件消耗，保证了用户长期运行的效益。

　　The speed of the 3.5 unit model is 1000r/min. Compared to the 1500r/min high-speed machine, it reduces the motion impact of mechanical components, extends the service life of the unit, reduces accessory consumption, and ensures the long-term operation benefits of users.

　　3.6 机组自动化?机组自动化程度高，人工操作和维修强度低，运行成本低。

　　3.6 Unit automation? The unit has a high degree of automation, low manual operation and maintenance intensity, and low operating costs.

　　3.7 电站厂房通风设计及性保证发电机房安装轴流风机强制通风，防止有毒气体和可燃气体在机房内积聚;发电机房内配置可燃气体、有毒气体报警装置，与机房轴流风机联动，报警后触发轴流风机启动进行强制通风，保证机房内可燃气体、有毒气体含量不超标，满足要求。氢气的密度是所有气源中的，远远低于空气，在开放式空间其扩散性非常好，因而，只要通风设计合格，其性高于天然气。

　　3.7 Ventilation design and safety assurance for power plant buildings: Install axial flow fans for forced ventilation in the generator room to prevent the accumulation of toxic and flammable gases in the room; The generator room is equipped with combustible gas and toxic gas alarm devices, which are linked with the axial flow fan in the machine room. After the alarm is triggered, the axial flow fan is started for forced ventilation to ensure that the combustible gas and toxic gas content in the machine room does not exceed the standard and meets safety requirements. The density of hydrogen is the lowest among all gas sources, far lower than that of air, and its diffusion is very good in open spaces. Therefore, as long as the ventilation design is qualified, its safety is higher than that of natural gas.

　　发动机设计有特殊的进排气结构，发动机汽缸外没有可燃混合燃气，由此保证了发动机的本质。

　　The engine design has a special intake and exhaust structure, and there is no combustible mixed gas outside the engine cylinder, thereby ensuring the intrinsic safety of the engine.

　　四、气体成分要求?高氢气发电机组气源要求：在距离机组燃气进气调压阀或机组配套压缩机前 1m 内：燃气气温度 10℃～40℃；压力 0.20 MPa 0.30MPa,压力变化速率≤1kPa/min；粉尘粒度≤5μm，粉尘含量≤30mg/Nm3；总硫含量≤400mg/Nm3，H2S≤200mg/Nm3；总水分含量≤40g/Nm3，无明显游离水；NH3≤20mg/Nm3；焦油含量≤20mg/Nm3；苯含量≤4g/Nm3；萘含量≤100g/Nm3；总卤素化合物含量≤100mg/Nm3；燃气中 H2 体积 含量≤100%、≥30%，热值变化率≤5%/min。

　　4、 Gas composition requirements? Requirements for gas source of high hydrogen generator set: Within 1 meter in front of the gas inlet pressure regulating valve or the supporting compressor of the unit, the gas temperature should be between 10 ℃ and 40 ℃; Pressure ranging from 0.20 MPa to 0.30 MPa, with a pressure change rate of ≤ 1kPa/min; Dust particle size ≤ 5 μ m, dust content ≤ 30mg/Nm3; Total sulfur content ≤ 400mg/Nm3, H2S ≤ 200mg/Nm3; total moisture content ≤ 40g/Nm3, no obvious free water; NH3≤20mg/Nm3； Tar content ≤ 20mg/Nm3; Benzene content ≤ 4g/Nm3; Naphthalene content ≤ 100g/Nm3; Total halogen compound content ≤ 100mg/Nm3; The volume content of H2 in gas is ≤ 100%, ≥ 30%, and the rate of change in calorific value is ≤ 5%/min.

　　五、应用案例工程山东某焦炉煤气发电站，燃气含氢气 60% 75%，电站采用10台新设计的 500kW 氢气发电机组来替换原有机组，发电效率提升到32%35%，了机组回火放炮现象，提高了机组运行的性。六、合作方式1、设备销售? ? ? ?根据客户气源情况与能源需要，提供适应气源特性的发电机组及周边设备，给用提供冷热电等能源，减少用户的能源支出，减少有害气体的排放，为用户创造价值。也可提供技术指导、运行维护等服务。2、项目投资?由客户提供气源，我公司负责电站设计、建设、机组设备投资和电站运维服务等。收益可根据具体投入情况进行合理分配。3、改造升级?市场上运行的炼化尾气发电机组，大多采用老式预混合进气方式，存在以下问题：

　　5、 Application Case: A coke oven gas power station in Shandong Province, China, uses gas containing 60% to 75% hydrogen. The station replaces the original units with 10 newly designed 500kW hydrogen generator sets, increasing the power generation efficiency to 32% to 35%. This solves the problem of unit backfire and improves the safety of unit operation. 6、 Collaboration Method 1: Equipment Sales? Based on the customer's gas source situation and energy needs, we provide generator sets and peripheral equipment that are suitable for the characteristics of the gas source, and offer energy such as cooling, heating, and electricity to reduce the user's energy expenditure and emissions of harmful gases, creating value for the user. We can also provide technical guidance, operation and maintenance services. 2. Project investment? The customer provides the gas source, and our company is responsible for the design, construction, equipment investment, and operation and maintenance services of the power station. The income can be reasonably distributed according to the specific investment situation. 3. Upgrade and transform? Most of the refining exhaust gas generators operating in the market adopt the old-fashioned premixed intake method, which has the following problems:

　　（1）进气管充满空气和燃气的混合气，容易造 成进气管回火放炮，无法保证进气系统的运行；

　　(1) The intake pipe is filled with a mixture of air and gas, which can easily cause backfire and explosion of the intake pipe, and cannot guarantee the safe operation of the intake system;

　　（2）采用混合气扫气，混合燃气进入排气管后，排气管容易放炮，无法保证排气系 统、增压器的运行；

　　(2) Using mixed gas scavenging, after the mixed gas enters the exhaust pipe, the exhaust pipe is prone to explosion, which cannot guarantee the safe operation of the exhaust system and turbocharger;

　　（3）由于采用混合燃气扫气，一部分燃气 进入了排气系统，造成燃气损失，降低了发电效率，同时造成排气温度过高，缩短了排气管、增压器的使用寿命。针对已有电站的老式机组，提供改造方案，提升机组性能，保证机组运行。同时，可提供技术指导、运行维护等服务。

　　(3) Due to the use of mixed gas scavenging, a portion of the gas enters the exhaust system, causing gas loss and reducing power generation efficiency. At the same time, the exhaust temperature is too high, shortening the service life of the exhaust pipe and turbocharger. Provide renovation plans for outdated units in existing power stations to improve their performance and ensure safe operation. At the same time, it can provide technical guidance, operation and maintenance services.

本文由燃气发电机组友情奉献.更多有关的知识请点击:/真诚的态度.为您提供为的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.

This article is a friendly contribution from a gas generator set. For more related knowledge, please click: / Sincere attitude. We provide you with excellent service. We will gradually contribute more knowledge to you. Please stay tuned