空压机种类有哪些 ?空气压缩机如何选择?
发布日期:2021-06-10
空(kong)压机种类(lei)有哪些 ?空(kong)气压缩机如何选择?
导(dao)语(yu):空(kong)(kong)气压缩(suo)机(ji)采用机(ji)电(dian)设备(bei)套(tao)配置,只需单一的电(dian)源连接(jie)及(ji)压缩(suo)空(kong)(kong)气连接(jie),并内(nei)置冷却系统。您知道(dao)空(kong)(kong)压机(ji)有哪些种类吗?如果按工作原理分,可(ke)分为哪两类?空(kong)(kong)气压缩(suo)机(ji)又(you)是如何选型的呢(ni)?想必很多人还(hai)不(bu)清楚(chu)。接(jie)下来带大家去了解(jie)关于更多的关于空(kong)(kong)压机(ji)的知识。
1、空压机工作原理
1、吸(xi)气(qi)(qi)(qi)(qi)过程:螺(luo)杆式(shi)的(de)(de)进(jin)气(qi)(qi)(qi)(qi)侧(ce)吸(xi)气(qi)(qi)(qi)(qi)口,必须设计(ji)得使压缩室可以(yi)(yi)充(chong)分吸(xi)气(qi)(qi)(qi)(qi),而螺(luo)杆式(shi)压缩机(ji)并无进(jin)气(qi)(qi)(qi)(qi)与排(pai)(pai)气(qi)(qi)(qi)(qi)阀(fa)组,进(jin)气(qi)(qi)(qi)(qi)只靠一(yi)调节(jie)阀(fa)的(de)(de)开(kai)(kai)启、关闭(bi)调节(jie),当转(zhuan)(zhuan)(zhuan)子(zi)(zi)转(zhuan)(zhuan)(zhuan)动时(shi)(shi),主(zhu)副(fu)转(zhuan)(zhuan)(zhuan)子(zi)(zi)的(de)(de)齿(chi)(chi)(chi)沟空(kong)(kong)间(jian)在(zai)转(zhuan)(zhuan)(zhuan)至进(jin)气(qi)(qi)(qi)(qi)端壁开(kai)(kai)口时(shi)(shi),其空(kong)(kong)间(jian)最大,此时(shi)(shi)转(zhuan)(zhuan)(zhuan)子(zi)(zi)的(de)(de)齿(chi)(chi)(chi)沟空(kong)(kong)间(jian)与进(jin)气(qi)(qi)(qi)(qi)口之自由(you)空(kong)(kong)气(qi)(qi)(qi)(qi)相通,因在(zai)排(pai)(pai)气(qi)(qi)(qi)(qi)时(shi)(shi)齿(chi)(chi)(chi)沟之空(kong)(kong)气(qi)(qi)(qi)(qi)被全数排(pai)(pai)出(chu),排(pai)(pai)气(qi)(qi)(qi)(qi)结束时(shi)(shi),齿(chi)(chi)(chi)沟乃处于真(zhen)空(kong)(kong)状态,当转(zhuan)(zhuan)(zhuan)到进(jin)气(qi)(qi)(qi)(qi)口时(shi)(shi),外(wai)界(jie)空(kong)(kong)气(qi)(qi)(qi)(qi)即被吸(xi)入(ru),沿轴向(xiang)流入(ru)主(zhu)副(fu)转(zhuan)(zhuan)(zhuan)子(zi)(zi)的(de)(de)齿(chi)(chi)(chi)沟内。当空(kong)(kong)气(qi)(qi)(qi)(qi)充(chong)满整个齿(chi)(chi)(chi)沟时(shi)(shi),转(zhuan)(zhuan)(zhuan)子(zi)(zi)之进(jin)气(qi)(qi)(qi)(qi)侧(ce)端面转(zhuan)(zhuan)(zhuan)离了机(ji)壳之进(jin)气(qi)(qi)(qi)(qi)口,在(zai)齿(chi)(chi)(chi)沟间(jian)的(de)(de)空(kong)(kong)气(qi)(qi)(qi)(qi)即被封闭(bi),以(yi)(yi)上为(wei)吸(xi)气(qi)(qi)(qi)(qi)过程。【详情>>】
2、空压机分类
空(kong)气(qi)压(ya)缩机按工作原理可分(fen)为(wei)(wei)速(su)度(du)(du)式(shi)(shi)(shi)(shi)和(he)容积式(shi)(shi)(shi)(shi)两大类。空(kong)气(qi)机分(fen)为(wei)(wei):1、速(su)度(du)(du)式(shi)(shi)(shi)(shi);2、容积式(shi)(shi)(shi)(shi);容积式(shi)(shi)(shi)(shi)又分(fen)为(wei)(wei)回(hui)转(zhuan)式(shi)(shi)(shi)(shi)和(he)往(wang)(wang)复式(shi)(shi)(shi)(shi);回(hui)转(zhuan)式(shi)(shi)(shi)(shi):(1)转(zhuan)子式(shi)(shi)(shi)(shi);(2)螺(luo)杆式(shi)(shi)(shi)(shi);(3)滑片式(shi)(shi)(shi)(shi)。往(wang)(wang)复式(shi)(shi)(shi)(shi):(1)活(huo)塞式(shi)(shi)(shi)(shi);(2)膜(mo)式(shi)(shi)(shi)(shi)。速(su)度(du)(du)式(shi)(shi)(shi)(shi):是靠气(qi)体在(zai)高速(su)旋转(zhuan)叶(ye)轮的(de)作用,得到较大的(de)动(dong)能,随后在(zai)扩压(ya)装(zhuang)置中急剧(ju)降速(su),使气(qi)体的(de)动(dong)能转(zhuan)变成(cheng)势能,从(cong)而提高气(qi)体压(ya)力。速(su)度(du)(du)式(shi)(shi)(shi)(shi)主要有离心式(shi)(shi)(shi)(shi)和(he)轴流式(shi)(shi)(shi)(shi)两种基(ji)本(ben)型式(shi)(shi)(shi)(shi)。【详情(qing)>>】
3、空压机配件
空压机配件也称压缩机配件比较笼统的一个词,空压机按照工作原理分为活塞式空压机和螺杆式空压机,活塞式空压机配件主要讲一些常规配件,活塞式空压机配件分为易损配件,比如活塞环,支撑环,阀组里面的阀片,活塞,活塞杆,大头瓦,冷却器等等,耐用配件有缸体,缸盖,密封件,制动器,油泵,安全阀等等,而螺杆式空压机与活塞式空压机不同,螺杆式空压机工作原理与活塞式空压机不一样,设计就不同,螺杆机空压机易损配件有油滤芯,空气滤芯,电磁阀,机油等等,一般螺杆机空压机的螺杆不容易损坏,使用寿命比较长久。活塞机配件有,活塞,活塞环,连杆,曲轴,轴瓦,缸套,阀组,压力开关,空滤等螺杆机有,转子液,空滤,油过滤器,油气分离器,压力阀,温控阀,进气阀,散热器,高压油管,主机(ji),PLC控制(zhi)面板(ban)等(deng)。
4、空压机选购
选择空(kong)压(ya)(ya)(ya)(ya)机的基本(ben)准则是(shi)经济性(xing)、可靠性(xing)与安全性(xing),是(shi)应(ying)考虑排气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)力(li)(li)(li)(li)的高(gao)低和排气(qi)(qi)(qi)量大(da)小。一(yi)(yi)般用(yong)(yong)途空(kong)气(qi)(qi)(qi)动(dong)力(li)(li)(li)(li)用(yong)(yong)压(ya)(ya)(ya)(ya)缩机排气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)力(li)(li)(li)(li)为0.7MPa,老(lao)标准为0.8MPa。目前社会(hui)上有一(yi)(yi)种排气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)力(li)(li)(li)(li)为0.5MPa的空(kong)压(ya)(ya)(ya)(ya)机,从使(shi)(shi)用(yong)(yong)角(jiao)度看(kan)是(shi)不合理的,因为对风动(dong)工具而言(yan)其压(ya)(ya)(ya)(ya)力(li)(li)(li)(li)余量太小,输气(qi)(qi)(qi)距离稍远一(yi)(yi)些就不能使(shi)(shi)用(yong)(yong)。另外,从设计角(jiao)度看(kan),这种压(ya)(ya)(ya)(ya)缩机设计为一(yi)(yi)级(ji)压(ya)(ya)(ya)(ya)缩,压(ya)(ya)(ya)(ya)比太大(da),易(yi)引(yin)起排气(qi)(qi)(qi)温度过(guo)高(gao),造成气(qi)(qi)(qi)缸积炭,导致事(shi)故发生(sheng)。如果用(yong)(yong)户所(suo)用(yong)(yong)的压(ya)(ya)(ya)(ya)缩机大(da)于(yu)0.8MPa,一(yi)(yi)般要(yao)特别制造,不能采取(qu)强行增压(ya)(ya)(ya)(ya)的办法,以(yi)免(mian)造成事(shi)故。
5、空压机操作规程
一(yi)、在空压机(ji)(ji)(ji)操(cao)作前(qian),应(ying)该注(zhu)意以下几(ji)个问题:1.保持油池(chi)中润滑(hua)油在标(biao)尺范围(wei)内,空压机(ji)(ji)(ji)操(cao)作前(qian)应(ying)检(jian)(jian)查注(zhu)油器(qi)内的油量不应(ying)低于(yu)刻(ke)度线值。2.检(jian)(jian)查各(ge)运(yun)动部(bu)位(wei)是(shi)(shi)否灵活(huo),各(ge)联接部(bu)位(wei)是(shi)(shi)否紧固,润滑(hua)系统是(shi)(shi)否正常,电机(ji)(ji)(ji)及电器(qi)控制(zhi)设备是(shi)(shi)否安(an)全(quan)可靠。3.空压机(ji)(ji)(ji)操(cao)作前(qian)应(ying)检(jian)(jian)查防(fang)护装置(zhi)及安(an)全(quan)附件是(shi)(shi)否完好齐全(quan)。4.检(jian)(jian)查排气管路是(shi)(shi)否畅通(tong)(tong)。5.接通(tong)(tong)水源(yuan),打开各(ge)进水阀,使冷(leng)却(que)水畅通(tong)(tong)。
6、空压机维护保养
1、进(jin)气空(kong)滤(lv)芯(xin)的(de)维(wei)护与保养空(kong)压(ya)机(ji)的(de)空(kong)气滤(lv)清器(qi)是滤(lv)除空(kong)气尘埃污(wu)物(wu)(wu)的(de)部件,过滤(lv)后的(de)干净空(kong)气进(jin)入螺(luo)杆转子压(ya)缩腔(qiang)压(ya)缩。因螺(luo)杆机(ji)内(nei)部间隙(xi)只允许15u以内(nei)的(de)颗(ke)(ke)粒滤(lv)出(chu)。如(ru)果空(kong)滤(lv)芯(xin)堵(du)塞破损,大(da)量大(da)于15u的(de)颗(ke)(ke)粒物(wu)(wu)进(jin)入螺(luo)杆机(ji)内(nei)循环,不仅(jin)大(da)大(da)缩短机(ji)油滤(lv)芯(xin)、油细分离(li)芯(xin)的(de)使用寿命,还会导致(zhi)大(da)量颗(ke)(ke)粒物(wu)(wu)直(zhi)接进(jin)入轴(zhou)承(cheng)腔(qiang),加(jia)速(su)轴(zhou)承(cheng)磨(mo)损使转子间隙(xi)增大(da),压(ya)缩效(xiao)率降低,甚(shen)至转子枯燥咬死。
7、空压机故障维修
1.故障现象:机组排气温度高(超过100℃)机组冷却剂液位太低(应该从油窥镜中能看到,但不要超过一半);油冷却器脏;油(you)过滤(lv)器(qi)芯堵(du)塞(sai);温(wen)(wen)控阀故障(zhang)(元件坏(huai));断油(you)电(dian)磁(ci)阀未得电(dian)或(huo)(huo)(huo)线圈损坏(huai);断油(you)电(dian)磁(ci)阀膜片破(po)裂或(huo)(huo)(huo)老化(hua);风(feng)扇(shan)电(dian)机故障(zhang);冷却(que)风(feng)扇(shan)损坏(huai);排风(feng)管(guan)道不(bu)畅通(tong)或(huo)(huo)(huo)排风(feng)阻力(背压(ya))大(da);环境(jing)温(wen)(wen)度超过所规定的(de)范围(38℃或(huo)(huo)(huo)46℃);温(wen)(wen)度传感器(qi)故障(zhang)(Intellisys控制机组(zu));压(ya)力表(biao)是否(fou)故障(zhang)(继电(dian)器(qi)控制机组(zu))。2、故障(zhang)现(xian)象:机组(zu)油(you)耗大(da)或(huo)(huo)(huo)压(ya)缩空气含油(you)量大(da)冷却(que)剂量太多(duo),正确的(de)位(wei)置应在机组(zu)加载时观察,此时油(you)位(wei)应不(bu)高于一半(ban);回油(you)管(guan)堵(du)塞(sai);回油(you)管(guan)的(de)安(an)装(与油(you)分(fen)离芯底部的(de)距离)不(bu)符合要求。
8、空(kong)压(ya)机什么牌子好
聚才空压机23年行业(ye)经验,进口配(pei)件,空压机节能30-50%。



