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沼气使(shǐ)用的25个安全事项(xiàng)
来源: | 作者:lipunengyuan | 发(fā)布时间: 2020-06-17 | 2109 次(cì)浏览 | 分享到:

在实际利用沼(zhǎo)气(qì)池(chí)的过程中,如何做(zuò)到(dào)安全运行、放(fàng)心使(shǐ)用呢?笔者整理出(chū)25个安全注意事项,供(gòng)大家参考实践。 


沼气池的(de)安(ān)全事(shì)项


1、池体周围禁止堆放(fàng)杂草等易燃物品对于采取池体覆盖杂(zá)草保温(wēn)过冬时,主(zhǔ)人(rén)要特别注(zhù)意,可以用(yòng)塑料(liào)布将杂草再包盖(gài),防止失火(huǒ)。


2、沼气池(chí)的进(jìn)料口和出料口,要加防护盖。防止人(rén)畜掉(diào)进池内造成伤亡(wáng)。同时,禁止随意打开(kāi)防护盖。


3、在沼气池(chí)的池体(tǐ)周围严禁使用(yòng)明火(huǒ)。尤其(qí)要注(zhù)意(yì)抽烟、垒(lěi)旺火和小孩玩火。 


4、新建沼(zhǎo)气池装料加水最好一天内(nèi)进行,然后密封好活动盖,就开(kāi)始了发酵产气。再加料则(zé)只能(néng)从进料口加入(rù)。


5、沼气池大(dà)出(chū)料时(shí),最好使用抽(chōu)渣机,全(quán)部清理(lǐ)沼渣、沼液后,人员不能(néng)立即进(jìn)入池内。应先将(jiāng)鸡、兔等小动物置于篮内慢慢(màn)吊入,如动物活动正常(cháng),说明(míng)池内空气充足,可以进入(rù);若动物表现(xiàn)委(wěi)靡不振或(huò)出(chū)现昏迷,表明(míng)池内严重缺(quē)氧,CO2浓度高或残存(cún)的CH4气体未排干净,需要继续通风排气;另外,下池人员应系上(shàng)保险绳(shéng),池外要有(yǒu)人看护(hù),做好安全防护措施。 

2

沼气灯的安(ān)全事项


1、沼气灯的位置(zhì)要合理。距离(lí)屋顶要保持50~70cm,距离地面要(yào)2.2~2.5m。在(zài)实际(jì)中,如果屋子的高度不高的话,可以使沼(zhǎo)气(qì)灯(dēng)高度按2m(高于人身高),沼气(qì)灯上面的屋顶处安装一(yī)块(kuài)耐火板,顶和灯(dēng)距离(lí)保证(zhèng)30cm。 


2、沼气(qì)灯的(de)安装要科学(xué)合理。纱罩要捆(kǔn)绑(bǎng)的圆而不歪,避免玻璃(lí)罩受热不均而破裂;引射器(qì)和泥头在拧(nǐng)紧的基础上(shàng)反拧少许(xǔ),避(bì)免因为热(rè)胀(zhàng)冷缩使泥(ní)头破裂(liè);输气管与喷嘴要紧密结合(hé)(防(fáng)止(zhǐ)气(qì)体从此(cǐ)处漏(lòu)出);先烧(shāo)制好纱(shā)罩,然后在安装玻璃罩,此时(shí)要(yào)小(xiǎo)心,不要碰破纱(shā)罩(zhào);烧制纱(shā)罩(zhào)时,应先小气后大气,如(rú)果开始(shǐ)大气容易气流冲破纱罩;对于电子点火器,要及(jí)时(shí)更新(xīn)电池,保持良好的(de)点火性能。 


3、沼气(qì)纱罩含有氧化钍(tǔ)和氧化(huà)铈,是(shì)一种有毒物质。损坏(huài)后的纱罩要深埋,如手(shǒu)上粘到灰(huī)粉要(yào)及时洗净,注意不要弄到眼睛里(lǐ)或沾到食物上,以免中毒。 


4、沼(zhǎo)气(qì)灯的位(wèi)置不(bú)要(yào)正对门(mén),避免风吹使火焰摇摆不稳,破裂玻璃罩,或者造成沼气的泄露(lù)。 


5、沼气(qì)灯的开关和(hé)电(diàn)子(zǐ)点火器的开关(guān)位置要靠近且顺手合理。在使用(yòng)沼(zhǎo)气灯时,先旋灯的开关(guān),使小气流通过,随手(shǒu)按动(dòng)电(diàn)子点火器,点燃沼气(qì)灯,最后开大气流,调节风(fēng)门使灯的亮度达到最佳(jiā)状态。 

3

沼气(qì)灶的安(ān)全事项


1、沼气灶具只(zhī)能使用沼气,不(bú)能使用其他燃气,像液化气。农户将沼气灶(zào)连(lián)接(jiē)到煤气罐上,这种方法是(shì)非常(cháng)危险的,由于两者灶的构(gòu)造不同,不能替换,否则容易(yì)发生火灾。 


2、沼气灶具要(yào)与其他(tā)物件的距离(lí)大于15cm,距离顶部(bù)应有100cm以(yǐ)上的空(kōng)间。尤其(qí)要远离(lí)农(nóng)户家中原有的灶台。 


3、沼气灶具附(fù)近禁止堆放易燃物品。特别注意(yì),有些农户将灶具放在橱柜(guì)上,橱柜里搁置(zhì)锅碗瓢盆,以及油盐酱醋,这时油(yóu)最好(hǎo)放到别处,并且少用塑料(liào)包(bāo)装。 


4、在使用沼气(qì)灶具时,不能离开人(rén),防止(zhǐ)由(yóu)于稀饭、油(yóu)水等物从锅(guō)内溢出后,熄灭火焰,发生泄漏气(qì)体的(de)现(xiàn)象(xiàng)。 


5、使用灶具(jù)后,应将开关旋钮复位(调回关(guān)的部位)。避(bì)免由(yóu)于净化器开关未(wèi)关好而(ér)发生泄气事件。 

4

沼气管路的安全事项


1、沼气室外管(guǎn)路要有坡(pō)度,使产(chǎn)生的沼气逐渐上升,如果管路呈(chéng)下坡现象,会影响产(chǎn)气(qì)效果的。 


2、室外管(guǎn)路(lù)要埋入冻土(tǔ)层(céng)下,这样(yàng)不(bú)仅可以防(fáng)止严寒冻裂管路,而且深(shēn)埋(mái)可以防止车轮碾压破(pò)坏管路,或者人为损(sǔn)坏管路。 


3、在靠近池体的管路(lù)最(zuì)低处设置总阀门和集水(shuǐ)装置,也就是管(guǎn)路从池体的导气管出来后,管路呈“Y”形,这样,可以排除管路中的水(shuǐ),也避免高(gāo)压时破坏池体、冰(bīng)冻冻裂管路。 


4、管路的长度影响沼气(qì)的使用效果。一般8m3沼气池设计总(zǒng)管路不超过25m,并(bìng)且室内(nèi)管路尽可能短,尽量(liàng)在一间屋子(zǐ)里。 


5、室内管路要(yào)与电线保持至少10cm的间距(jù),如(rú)果交叉时,要(yào)用绝缘耐火材料将两者隔(gé)开。此(cǐ)外,室(shì)内管路布局要美观合理,做到横(héng)平竖直,拐弯处不能打(dǎ)折弯曲。 

5

调控净(jìng)化器的(de)安全事项 


1、脱硫器内(nèi)不(bú)可进(jìn)入(rù)空(kōng)气,否则产生高温,能融化装有脱硫剂(jì)(氧化铁)的塑(sù)料(liào)瓶。 


2、脱硫器(qì)中的脱硫剂使用(yòng)6个月左右时,必须要进行(háng)再生。其方法是,先关(guān)闭总阀门和(hé)脱硫器的开(kāi)关(guān),将脱硫(liú)剂10min内全部(bù)倒出,放(fàng)在通风、避(bì)阳、阴凉(liáng)处(chù)24h。然后,将再(zài)生好的脱硫剂重新装入脱(tuō)硫器中,粉末容易堵塞(sāi)喷(pēn)嘴不能(néng)装回,补足(zú)缺失的脱(tuō)硫剂(jì),拧紧瓶盖(gài)。 


3、正常情况下(xià)脱硫剂(jì)可再(zài)生1次。 


4、使用(yòng)1年(nián)后(hòu),应检查(chá)调控(kòng)净化器内部(bù)软(ruǎn)管(guǎn)是否有(yǒu)开裂、破损现象。若(ruò)有(yǒu),要及(jí)时更换软管(guǎn)。 


5、调控净化器(qì)的高度要根(gēn)据主人的身高来确定。做到能正好平视压(yā)力指(zhǐ)示器(qì),能准(zhǔn)确(què)读取数字。不能过高和过(guò)低。