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高压气瓶阀门安装注意事项?

浏览:40次 | 提问时间: 07-30 09:45
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3个答案
Sadness逝言 07-30 09:45

1、各类气瓶必须分类放置于统一通风良好的的小房内,空瓶满瓶分开放置;

2、气瓶停放处设有固定支架、栅栏等防止倒瓶设施;

3、气瓶应远离明火和电气设备;

4、使用气瓶的室内必须通风良好;

5、使用气瓶禁止敲击,碰撞,不得靠近热源,夏季应防曝晒;

6、必须使用专用的减压阀,开启时,*作者应站在阀门的侧后方,动作要轻缓;

7、瓶内的气体严禁用尽,应保留有0.05Mpa以上压力;

8、发现阀门和减压阀泄漏时,不得继续使用,应及时处理上报,阀门损坏时严禁带压更换阀门;

9、用完气后,应及时关闭阀门;

10、搬运时,易燃易爆气瓶禁止混装;

11、压力表一年鉴定一次(有的要求半年);

12、每天至少对压力观测一次

人心隔肚皮 07-30 09:54

一、安全*作步骤:  安全*告!!!  ●当开启气瓶阀时,切不可站在减压器的前面(亦即压力表的前面)  ●开启气瓶阀时,调节螺杆必须处于完全旋松状态。  二、日常检查  1、减压器中没有气体时,确认压力表指针回零。  2、检漏(正常情况下检漏频率不得小于1  次/周)  a、正常开启气瓶阀和减压阀;  对气瓶和周围环境进行安全检查  缓慢的旋开气瓶阀  ①  调节减压阀,将压力调到实验要求值  使用完毕后,先关闭气瓶阀  待减压器  ②  中余气逸尽后,再关减压阀  阀  检查气瓶阀是否完全关闭(看减压  器上压力表是否归零)  高压气瓶安全使用*作步骤  Page  2  of  3  b、将检漏液涂在可能出现漏气的部位,如果出现气泡,并且气泡逐渐增  大,则说明此处漏气(一般出现漏气的地方为:管线和螺帽的接口处,以及  螺帽与螺丝的接口处);  c、若检查减压器是否漏气,先关闭气瓶阀,逆时针方向将调压螺杆旋出  一圈,如果高压表读数减小,即是减压器高压部分或气瓶阀座漏气;若低压  表读数减小,则可能是减压器低压部分或管路设备漏气;若高压表读数减小,  低压表读数上升,则是调节螺杆处漏气。  3、供气后确认可对气体压力进行连续调节。  4、供气后,确认没有气体从安全阀中泄露。  三、注意事项  1、气瓶应存放在阴凉、干燥、远离热源的地方。可燃性气瓶应与氧气瓶  分开存放。  2、当发现气体泄露较严重时,应及时关闭气瓶阀。  3、搬运钢瓶要小心轻放,应旋上钢瓶帽。  4、使用时应装减压器。可燃性气瓶(如H  2  、C  2  H  2  )气门螺丝为反丝;不燃性  或助燃性气瓶(如N  2  、O  2  )为正丝。各种减压器一般不可混用。  5、打开气瓶阀时,应使调压螺杆处于完全旋松状态,避免瞬时压力损坏  膜片,从而导致减压器失效。  6、不得让油或易燃有机物沾染气瓶  (特别是气瓶出口和压力表上)。  7、开启瓶阀时,不要将头或*正对气瓶阀,防止万一气瓶阀或压力表  冲出伤人。  8、每次供应商送气体时应检查气瓶是否合格且在检定周期内,不合格或  高压气瓶安全使用*作步骤  Page  3  of  3  超出检定周期的气瓶不可使用。  9、可燃气体气瓶应存放在专用防爆气瓶柜中,并在气瓶柜中安装气体报  *控制器,以便监测。  10、气瓶内气体不能全部用尽,要留下一些气体,以防止外界空气进入气  体钢瓶,一般应保持1MPa  表压以上的残留压力,因为气瓶中最后的残余  气体往往含有杂质,对色谱分析不利。  注:①气瓶阀:气瓶顶端阀门。  ②减压器:包括减压阀、高压表(指示气瓶内压)、低压表(指示  输出压力)、安全阀。

她心复杂 07-30 10:02

高压气瓶的搬运、存放和充装应注意事项:    (1)在搬动存放气瓶时,应装上防震垫圈,旋紧安全帽,以保护开关阀,防止其意外转动和减少碰撞。  (2)搬运充装有气体的气瓶时,最好用特制的气瓶推车,也可以用手平抬或垂直转动。

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