1、 Relevant technologies for the application of coke oven gas power generation

焦炉煤气是在隔绝空气条件下高温焦化制取焦炭的副产品。每吨川得煤气300-350m3， 中国钢铁工业的快速发展加大了对焦炭的需求。国内钢铁工业直保持快速增长的态势，粗钢产量平均以每年7.59%的速度上升。钢铁行业的高速增长，直接结果就是焦炭需求持续大幅度增加，煤矿及钢铁行业副产煤气(焦炉

Coke oven gas is a byproduct of high-temperature coking to produce coke under isolated air conditions. The rapid development of China's steel industry has increased the demand for coke by 300-350m3 per ton of Chuande gas. The domestic steel industry has maintained a rapid growth trend, with crude steel production increasing at an average annual rate of 7.59%. The rapid growth of the steel industry has directly resulted in a sustained and significant increase in demand for coke, as well as the by-product gas (coke oven) in the coal and steel industries

煤气、高炉煤气、转炉煤气)回收利用潜力很大。合理、、无污染地利用焦炉煤气发电和供热，能达到节能、增效和环保的多重效果，是焦化厂多余焦化煤气的利用方式。

There is great potential for the recycling and utilization of gas, blast furnace gas, and converter gas. The rational, efficient, and pollution-free use of coke oven gas for power generation and heating can achieve multiple effects of energy conservation, efficiency enhancement, and environmental protection. It is the best way to utilize excess coke oven gas in coking plants.

1、燃气发电技术应用形式

1. Application forms of gas power generation technology

●利用燃气内燃机发电机组发电。主要应用在单机功率3000kW以下的中小型发电设备，其优点是:

Utilize gas internal combustion engine generator sets to generate electricity. Mainly used in small and medium-sized power generation equipment with a single machine power below 3000kW, its advantages are:

①发电效率高。通常在32-40%，若增加热电冷联供系统，热电效率可达80%以上。

① High power generation efficiency. Usually between 32% and 40%, if a cogeneration system is added, the thermoelectric efficiency can reach over 80%.

②造价相对较低。由于内燃机技术成熟，零件的精密度要求相对较低，单位千瓦造价低于燃气轮机。

② The cost is relatively low. Due to the mature technology of internal combustion engines, the precision requirements for parts are relatively low, and the cost per kilowatt is lower than that of gas turbines.

③使用场合灵活。根据不同场合用户的需要，可方便的并机或并网，构成总输出功率达上万千瓦的电站或

③ Flexible usage scenarios. According to the needs of users in different occasions, it can be conveniently connected or connected to the grid, forming a power station with a total output power of tens of thousands of kilowatts

热电冷联供机组。机组群还可根据实际负载的需要，灵活方便地调节发电输出。

A cogeneration unit of heat, electricity, and cooling. The unit group can also flexibly and conveniently adjust the power generation output according to the actual load needs.

④可以使用多种低热值燃气，应用范围广。

④ Multiple types of low calorific value gas can be used, with a wide range of applications.

⑤调峰性能更好，启停方便快捷。

⑤ Peak shaving performance is the best, with convenient and fast start and stop.

⑥维修简单，安装方便。设备体积小，重量轻，大修周期长、维修简单。缺点主要是单机功率较小，不能适用于大规模的发电的需要。

⑥ Easy maintenance and easy installation. The equipment has small size, light weight, long overhaul cycle, and simple maintenance. The main drawback is that the single machine power is small and cannot be suitable for large-scale power generation needs.

总之，燃气内燃机发电技术成熟，工艺稳定，投资小，见效快，运行维护相对简单，适用于多种行业。

In short, the gas internal combustion engine power generation technology is mature, the process is stable, the investment is small, the efficiency is fast, the operation and maintenance are relatively simple, and it is suitable for various industries.

2、焦炉煤气发电对燃气发电机组的特殊技术要求

2. Special technical requirements for gas generator sets for coke oven gas power generation

焦炉煤气组分中含氢气47-60% (体积)、甲烷23-27%、-氧化碳6-8%等。焦炉煤气的发热值约为

The composition of coke oven gas contains 47% -60% hydrogen (volume), 23% -27% methane, and 6% -8% carbon oxide. The heating value of coke oven gas is approximately

15-16.8MJ/Nm3，可用来发电。但一般的燃气机一 天然 气或煤层气发动机不能直接用于焦炉煤气,燃气机

15-16.8MJ/Nm3, can be used for power generation. But ordinary gas engines such as natural gas or coalbed methane engines cannot be directly used for coke oven gas

必须进行适用焦炉煤气特性的改造，解决焦炉煤气含氢比例高、爆炸极限范围宽(4.1-74.2%)， 其气体组份和浓度动态变化大，混合气的空燃比动态变化大，燃烧速度快而带来的屐转速和输出功率不稳定，波动大问题。

It is necessary to carry out modifications that are suitable for the characteristics of coke oven gas, in order to solve the problems of high hydrogen content and wide explosion limit range (4.1-74.2%) of coke oven gas, large dynamic changes in gas composition and concentration, large dynamic changes in air fuel ratio of mixed gas, and unstable and fluctuating speed and output power caused by fast combustion speed.

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This article is provided by the gas generator set for assistance. For more related content, please click on //www.gz-yanye.com I hope this article can be helpful to you. Thank you for reading!