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燃气发电机组对燃气的使用要求介绍

来源:http://www.huannengpower.com   发布于:2019-04-22

1、燃气发电机组对自然气的请求在间隔机组燃气进气调压阀前1m内,①自然气压力100~300kPa(增压机)或50-300kPa(非增压机);②自然气中甲烷体积含量不低于70%;③H2S≤20mg/Nm3;④杂质粒度<5μm,杂质含量≤30mg/Nm3;

1. Requests for natural gas from gas generating units are within 1 m before the gas intake pressure regulating valve of the spacer units, i.e. 100-300 kPa (supercharger) or 50-300 kPa (non-supercharger); (ii) methane volume content in natural gas is not less than 70%; (iii) H2S is less than 20 mg/Nm3; (iv) impurity size is less than 5 micron and impurity content is less than 30 mg/Nm3;

若可燃气体中含硫及氨成份较高,不只会严重腐蚀火花塞电极,而且会使机油中酸值增加,腐蚀机组内部零件,同时易于生成沉淀物,增加对发起机的腐蚀和磨损。

If the content of sulfur and ammonia in combustible gas is high, it will not only seriously corrode the spark plug electrode, but also increase the acid value in the oil, corrode the internal parts of the unit, and easily generate precipitates, which will increase the corrosion and wear of the generator.

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2、燃气发电机组对沼气的请求在间隔机组燃气进气调压阀前1m内,①沼气温度≤40℃;②沼气压力3~10kPa,压力变化速率≤1kPa/min;③沼气中甲烷体积含量不低于40%,变化速率≤2%∕min;④H2S≤200mg/Nm3;⑤NH3≤20mg/Nm3;⑥杂质粒度≤5μm,杂质含量≤30mg/Nm3;⑦沼气中水份含量≤40g/Nm3。关于甲烷体积含量30~40%的沼气需求机组特殊配置,选另一型号的产品。

2. Requests for biogas from gas-fired generating units are within 1 m before the gas intake pressure regulating valve of the spacer units. Firstly, the temperature of biogas is less than 40 C; secondly, the pressure change rate is less than 1 kPa/min when the pressure of biogas is 3-10 kPa; thirdly, the volume content of methane in biogas is not less than 40%, and the change rate is less than 2%min; fourthly, H2S is less than 200 mg/Nm3; NH3 is less than 20 mg/Nm3; _the particle size of impurities is less than 5 micron, and the impurities content is less than 30 mg/Nm3; The water content is less than 40g/Nm3. About the special configuration of methane generating units with 30-40% methane volume, another type of product is selected.

若可燃气体中含硫及氨成份较高,不只会严重腐蚀火花塞电极,而且会使机油中酸值增加,腐蚀机组内部零件,同时易于生成沉淀物,增加对发起机的腐蚀和磨损。

If the content of sulfur and ammonia in combustible gas is high, it will not only seriously corrode the spark plug electrode, but also increase the acid value in the oil, corrode the internal parts of the unit, and easily generate precipitates, which will increase the corrosion and wear of the generator.

3、燃气发电机组对瓦斯的请求在间隔机组燃气进气调压阀前1m内,①瓦斯温度≤40℃;②瓦斯压力3~10kPa,压力变化速率≤1kPa/min;③瓦斯中甲烷体积含量不低于9%,变化速率≤2%∕min;④关于甲烷体积含量小于30%的瓦斯,甲烷与氧气体积含量之和不低于28%,氧气体积含量不低于16%;⑤杂质粒度≤5μm,杂质含量≤30mg/Nm3。⑥硫化氢含量不大于200mg/m3。关于超出规则范围的气体需与厂商沟通,依据气体成份核实能否可行。

3. Gas requests of gas generating units are within 1 m before the gas intake pressure regulating valve of the spacer units, i.e. gas temperature is less than 40 C; gas pressure is 3-10 kPa, and pressure change rate is less than 1 kPa/min; gas volume content is not less than 9%, change rate is less than 2%min; and gas volume content is less than 30%, gas volume content of methane and oxygen is not less than 28%, oxygen gas. The volume content is not less than 16%. _The particle size of impurities is less than 5 microns and the impurity content is less than 30 mg/Nm3. The content of hydrogen sulfide is not more than 200 mg/m3. For gases beyond the scope of the rules, it is necessary to communicate with the manufacturer and verify the feasibility according to the composition of the gases.

4、燃气发电机组对焦炉煤气的请求在间隔机组燃气进气调压阀前1m内,①焦炉煤气温度≤40℃;②焦炉煤气压力3~10kPa,压力变化速率≤1kPa/min;③焦炉煤气中氢气体积含量≤60%;④H2S≤200mg/Nm3;⑤NH3≤20mg/Nm3;⑥焦油含量≤50mg/Nm3;⑦杂质粒度≤5μm,杂质含量≤30mg/Nm3;⑧焦炉煤气中水份含量≤40g/Nm3。

4. Requests for coke oven gas from gas generating units are within 1 m before the gas intake pressure regulating valve of the spacer units, i.e. coke oven gas temperature is less than 40;(ii) coke oven gas pressure is 3-10 kPa, pressure change rate is less than 1 kPa/min; (ii) hydrogen gas volume content in coke oven gas is less than 60%; (iv) H2S is less than 200 mg/Nm3; (iv) NH3 is less than 20 mg/Nm3; (iv) tar content is less than 50 mg/Nm3; (iv) impurity particle size is less than 5 um, impurity content is less than 30 mg. / Nm3; _Water content in coke oven gas is less than 40g/Nm3.

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