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生物質氣發電機組對燃氣的要求有哪些?

來源:http://dgxcbw.comD88尊龙   發布于:2019-01-03

D88尊龙1、生物質氣溫度≤40℃;

1. The temperature of biomass is less than 40 C.

2、生物質氣壓力3~20kpa,壓力變化率≤1kpa/min;

2. The biomass pressure ranges from 3 to 20 kpa, and the pressure change rate is less than 1 kpa/min.

D88尊龙3、H2S≤200mg/Nm?;

D88尊龙3. H2S < 200mg/Nm?;

4、NH3≤20mg/Nm?;

D88尊龙4. NH3 < 20mg/Nm?;

D88尊龙5、焦油含量≤50mg/Nm?;

D88尊龙5. Tar content < 50mg/Nm?;

6、雜質粒度≤5um,雜質含量≤30mg/Nm?;

6. The particle size of impurities is less than 5 um and the content of impurities is less than 30 mg/Nm?.

7、生物質氣中水分含量≤40mg/Nm?;

7. Water content in biomass gas is less than 40 mg/Nm?;

D88尊龙8、氣體熱值≥4.2MJ/Nm?。

D88尊龙8. Gas calorific value (> 4.2MJ/Nm?).

D88尊龙假如生物質氣中含硫及氨成分較高,不僅會嚴峻腐蝕火花塞電極,而且會使機油中的酸值增加,腐蝕機組內部零件,同時易于生成沉淀物,增加對燃氣發動機的磨損和腐蝕。

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If the sulfur and ammonia content in biomass gas is high, it will not only severely 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 wear and corrosion of the gas engine.

D88尊龙生物質氣化發電技能又稱生物質發電體系,簡略地說,就是將各種低熱值固體生物質能源資源(如農林業廢棄物、生活有機垃圾等)經過氣化轉化為生物質燃氣,經凈化、降溫后進入燃氣發電機組發電的技能。

Biomass gasification power generation technology is also called biomass power generation system. Briefly speaking, it is the technology of converting various low calorific value solid biomass energy resources (such as agricultural and forestry wastes, domestic organic waste, etc.) into biomass gas by gasification, and then into gas-fired power generation units after purification and cooling.

生物質氣化發電體系主要由氣化爐、燃氣凈化體系和生物質氣發電機組等組成:

The biomass gasification power generation system is mainly composed of gasifier, gas purification system and biomass gas generator set.

D88尊龙氣化爐是將生物質能由固態轉化為燃氣的設備。生物質在氣化爐內經過控制空氣供應量,而進行不徹底焚燒,完結低值生物質能由固體向氣態的轉化,生成包括氫氣(H2)、一氧化碳(CO)、甲烷(CH4)、多碳烴(CnHm)等可燃成分的燃氣,完結生物質的氣化進程。

Gasifier is a device that converts biomass energy from solid state to gas. After controlling the air supply in the gasifier, biomass is incinerated incompletely, and the conversion of low-value biomass energy from solid to gaseous is completed. The gasification process of biomass is completed by the formation of combustible gases including hydrogen (H2), carbon monoxide (CO), methane (CH4) and polycarbons (CnHm).

D88尊龙氣化產生的燃氣出口溫度隨氣化爐型式的不同,在350℃~650℃之間,而且燃氣中含有未徹底裂解的焦油及塵埃等雜質,為滿足內燃機長時間可靠工作的要求,需要對燃氣進行冷卻和凈化處理,使燃氣溫度降到40℃以下、焦油塵埃含量控制在50mg/Nm3以內,燃氣經過凈化后,再進入生物質氣發電機組發電

The outlet temperature of gas produced by gasification varies with the type of gasifier, ranging from 350 to 650 degrees centigrade, and the gas contains impurities such as tar and dust which have not been completely cracked. In order to meet the requirement of long-term reliable operation of internal combustion engine, it is necessary to cool and purify the gas, so that the gas temperature can be reduced to below 40 degrees centigrade, the tar dust content can be controlled within 50 mg/Nm3, and the gas can be purified. After that, it enters the biomass gas generating unit to generate electricity.

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