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焦炉煤气发电机组做为焦化备用电源的特点

来源:http://www.huannengpower.com   发布于:2018-09-29

焦炉煤气是焦化产业的主要副产品之一,每炼一吨焦炭会产出300-350m3左右的焦炉煤气,焦炉煤气约40%-50%用于回炉燃烧,其余剩余煤气必须使用专门回收装置进行回收利用,否则只能燃烧排放大气。一些小的企业,由于炼焦产生的焦炉煤气量较少,投资甲醇、化肥等其他项目可能还达不到规模,成本优势不明显,因此用于焦炉煤气发电是一种投资小、见效快的一种有效途径。
Coke oven gas is one of the main by-products of the coking industry. Every ton of Coke will produce about 300-350 m3 coke oven gas. About 40-50% of coke oven gas is used for burning in the furnace. The rest of the gas must be recycled by special recovery devices, otherwise it can only be burned and discharged into the atmosphere. Some small enterprises, because coking produces less coke oven gas, investment in methanol, fertilizer and other projects may not reach the scale, cost advantage is not obvious, so the coke oven gas power generation is a small investment, effective way.

QQ截图20171025151846.jpg2.   内燃式焦炉煤气发电机组的性能特点
2. performance characteristics of internal combustion coke oven gas generating set
焦炉煤气内燃机发电机组的工作原理与汽车发动机工作原理相似,需要用火花塞点火,由于内燃机汽缸内工作温度达到14000?使其效率大大超过了蒸汽轮机和燃气轮机,发电效率达到35%以上。其特点为:
The working principle of the coke oven gas internal combustion engine generator set is similar to that of the automobile engine. It needs to be ignited by spark plug. The efficiency of the internal combustion engine is much higher than that of the steam turbine and gas turbine because the working temperature in the cylinder reaches 14 000? And the power generation efficiency is more than 35%. Its characteristics are:
2.1结构紧凑,体积小占地少。
2.1 compact structure, small volume, less occupation.
2.2热效率高,相比较蒸汽轮机和燃气轮机高10%以上。
2.2 the thermal efficiency is high, which is 10% higher than that of steam turbine and gas turbine.
2.3操作简便,起动快捷。
2.3 easy operation and quick start.
2.4规模可选择范围较宽,几台或十几台并机均可。
2.4, the scope of selection can be wider and several or more machines can be used.
2.5由于工艺简单,投资较少可进行自动化控制。
2.5 because of simple process and less investment, automatic control can be carried out.
我公司于2010年底购入江苏南通产BG12V190DJ型煤气内燃发电机组3套,于2011年并网发电后一直运行稳定,发电功率达1500KW左右,每年可节省用电占全年用电的30-40%,为企业创造了可观的经济效益。
At the end of 2010, our company purchased 3 sets of BG12V190DJ gas-fired internal combustion generating units from Nantong, Jiangsu Province. They have been running steadily since they were connected to the grid in 2011. The power generation power reaches 1500KW or so, which can save 30-40% of the annual electricity consumption and create considerable economic benefits for the enterprises.
3.   内燃式焦炉煤气发电机组做为备用电源的设计
3. design of internal combustion type coke oven gas generator set as standby power supply
3.1焦炉煤气内燃机发电机组在组成内部局域供电网络后,在总配电室低压总开关处安装并网同期装置一套,通过同期装置和市电低压并网后可供企业内部使用。
3.1 After the coke oven gas internal combustion engine generator set is composed of an internal local power supply network, a set of synchronization device is installed at the low-voltage main switch of the main distribution room, which can be used by the enterprise after the synchronization device and the low-voltage power supply of the market are connected to the grid.
3.2在总配电室低压总开关处安装逆功率保护模块一套,可防止外网停电时发电机所发电力反送入市电电网造成事故。
3.2 Installing a set of inverse power protection modules at the low-voltage main switch of the main distribution room can prevent the power generated by the generator from being sent back into the municipal power grid when the external power grid is cut off.
3.3当外网停电时,低压总开关通过逆功率模块控制断路器跳开,发电机变成孤网运行,保证风机、循环氨水泵等主要设备不断电而正常运行;可避免焦炉因停风机而产生的烟火污染,如功率足够大也可保证焦炉的正常生产。
3.3 When power failure occurs in the external network, the low-voltage main switch controls the circuit breaker to jump through the reverse power module, and the generator turns into an isolated network to ensure the normal operation of the main equipment such as blower, circulating ammonia pump and so on. It can avoid the pyrotechnic pollution of the coke oven caused by blower shutdown, and if the power is large enough, it can also ensure the normal production of the coke oven.
3.4当外网再次供电时,可通过总开关处同期装置再次并网继续运行。
3.4 when the external network is powered again, it can be connected to the grid again through the main switch.
3.5发电机组可通过程控机软件实时监控发电机组的各种温度、压力、电压、电流等参数和自动调节煤气、冷却水等流量,保证发电机组的正常运行
3.5 Generator Set can monitor all kinds of temperature, pressure, voltage, current parameters and automatically adjust gas, cooling water and other flow through the program-controlled computer software to ensure the normal operation of the generator set.

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