蒸(Zheng)汽(Qi)在(Zai)工(Gong)业(Ye)生(Sheng)产(Chan)中(Zhong)被(Bei)广(Guang)泛(Fan)地(Di)应(Ying)用(Yong),(?)很(Hen)多(Duo)场(Chang)合(He)都(Du)必(Bi)须(Xu)对(Dui)蒸(Zheng)汽(Qi)进(Jin)行(Xing)自(Zi)动(Dong)控(Kong)制(Zhi)以(Yi)满(Man)足(Zu)生(Sheng)产(Chan)工(Gong)艺(Yi)的(De)要(Yao)求(Qiu)。(?)随(Sui)着(Zhuo)节(Jie)能(Neng)工(Gong)作(Zuo)的(De)深(Shen)入(Ru)开(Kai)展(Zhan),(?)如(Ru)何(He)采(Cai)用(Yong)可(Ke)靠(Kao)而(?)价(Jia)廉(Lian)的(De)装(Zhuang)置(Zhi)对(Dui)蒸(Zheng)汽(Qi)进(Jin)行(Xing)有(You)效(Xiao)而(?)精(Jing)确(Que)的(De)控(Kong)制(Zhi),(?)已(Yi)成(Cheng)为(Wei)普(Pu)遍(Bian)关(Guan)注(Zhu)的(De)问(Wen)题(Ti)。(?)
自(Zi)动(Dong)控(Kong)制(Zhi)系(Xi)统(Tong)都(Du)包(Bao)括(Kuo)传(Chuan)感(Gan)器(Qi)、(?)控(Kong)制(Zhi)器(Qi)和(He)执(Zhi)行(Xing)器(Qi)三(San)部(Bu)分(Fen)。(?)在(Zai)实(Shi)际(Ji)工(Gong)作(Zuo)中(Zhong)碰(Peng)到(Dao)问(Wen)题(Ti)最(Zui)多(Duo)的(De)是(Shi)执(Zhi)行(Xing)器(Qi)。(?)在(Zai)执(Zhi)行(Xing)器(Qi)中(Zhong),(?)电(Dian)磁(Ci)阀(Fa)以(Yi)其(Qi)结(Jie)构(Gou)简(Jian)单(Dan)、(?)成(Cheng)本(Ben)低(Di)廉(Lian)、(?)维(Wei)护(Hu)方(Fang)便(Bian)等(Deng)优(You)点(Dian)而(?)被(Bei)大(Da)量(Liang)地(Di)选(Xuan)用(Yong)。(?)但(Dan)是(Shi),(?)由(You)于(Yu)蒸(Zheng)汽(Qi)电(Dian)磁(Ci)阀(Fa)存(Cun)在(Zai)质(Zhi)量(Liang)问(Wen)题(Ti),(?)装(Zhuang)用(Yong)不(Bu)久(Jiu)就(Jiu)常(Chang)烧(Shao)坏(Huai)线(Xian)圈(Quan)、(?)内(Nei)外(Wai)泄(Xie)漏(Lou)、(?)咬(Yao)住(Zhu)卡(Ka)死(Si)、(?)启(Qi)闭(Bi)失(Shi)灵(Ling)、(?)整(Zheng)套(Tao)自(Zi)控(Kong)装(Zhuang)置(Zhi)因(Yin)而(?)失(Shi)去(Qu)效(Xiao)能(Neng)。(?)这(Zhe)就(Jiu)严(Yan)重(Zhong)地(Di)影(Ying)响(Xiang)了(Liao)生(Sheng)产(Chan)。(?)
造(Zao)成(Cheng)电(Dian)磁(Ci)阀(Fa)质(Zhi)量(Liang)问(Wen)题(Ti)的(De)原(Yuan)因(Yin)是(Shi):(?)
1、(?)高(Gao)温(Wen) 压(Ya)力(Li)为(Wei)6kgf/cm2的(De)饱(Bao)和(He)蒸(Zheng)汽(Qi)温(Wen)度(Du)为(Wei)163℃(?),(?)当(Dang)压(Ya)力(Li)为(Wei)16kgf/cm2时(Shi)温(Wen)度(Du)就(Jiu)超(Chao)过(Guo)200℃(?)。(?)由(You)于(Yu)这(Zhe)种(Zhong)高(Gao)温(Wen)流(Liu)体(Ti)通(Tong)过(Guo)电(Dian)磁(Ci)阀(Fa)线(Xian)圈(Quan)的(De)中(Zhong)心(Xin),(?)且(Qie)通(Tong)电(Dian)后(Hou)线(Xian)圈(Quan)还(Huan)要(Yao)产(Chan)生(Sheng)温(Wen)升(Sheng),(?)如(Ru)果(Guo)不(Bu)采(Cai)取(Qu)特(Te)殊(Shu)措(Cuo)施(Shi),(?)就(Jiu)会(Hui)烧(Shao)坏(Huai)线(Xian)圈(Quan)。(?)
2、(?)锈(Xiu)蚀(Shi) 高(Gao)温(Wen)蒸(Zheng)汽(Qi)时(Shi)同(Tong)时(Shi)端(Duan),(?)与(Yu)之(Zhi)接(Jie)触(Chu)的(De)零(Ling)件(Jian)的(De)锈(Xiu)蚀(Shi)比(Bi)在(Zai)油(You)、(?)空(Kong)气(Qi)、(?)水(Shui)中(Zhong)都(Du)要(Yao)强(Qiang)烈(Lie),(?)这(Zhe)也(Ye)就(Jiu)是(Shi)一(Yi)些(Xie)电(Dian)磁(Ci)阀(Fa)使(Shi)用(Yong)不(Bu)久(Jiu)就(Jiu)卡(Ka)住(Zhu)失(Shi)灵(Ling)的(De)原(Yuan)因(Yin)。(?)
3、(?)压(Ya)力(Li)波(Bo)动(Dong)大(Da) 在(Zai)用(Yong)汽(Qi)高(Gao)峰(Feng)时(Shi),(?)蒸(Zheng)汽(Qi)压(Ya)力(Li)很(Hen)低(Di);而(?)在(Zai)用(Yong)汽(Qi)低(Di)谷(Gu)时(Shi),(?)压(Ya)力(Li)又(You)很(Hen)高(Gao),(?)这(Zhe)也(Ye)是(Shi)造(Zao)成(Cheng)一(Yi)些(Xie)电(Dian)磁(Ci)阀(Fa)启(Qi)闭(Bi)失(Shi)灵(Ling)的(De)原(Yuan)因(Yin)。(?)特(Te)别(Bie)是(Shi)间(Jian)接(Jie)式(Shi)电(Dian)磁(Ci)阀(Fa),(?)主(Zhu)阀(Fa)磨(Mo)损(Sun)不(Bu)能(Neng)补(Bu)偿(Chang),(?)使(Shi)用(Yong)一(Yi)段(Duan)时(Shi)间(Jian)后(Hou)往(Wang)往(Wang)在(Zai)低(Di)压(Ya)时(Shi)不(Bu)能(Neng)开(Kai)启(Qi)。(?)
4、(?)冷(Leng)凝(Ning)水(Shui) 以(Yi)往(Wang)电(Dian)磁(Ci)阀(Fa)适(Shi)用(Yong)介(Jie)质(Zhi)粘(Zhan)度(Du)的(De)范(Fan)围(Wei)都(Du)很(Hen)窄(Zhai)。(?)用(Yong)于(Yu)气(Qi)体(Ti)的(De)电(Dian)磁(Ci)阀(Fa)不(Bu)能(Neng)用(Yong)于(Yu)液(Ye)体(Ti),(?)用(Yong)于(Yu)液(Ye)体(Ti)的(De)电(Dian)磁(Ci)阀(Fa)又(You)不(Bu)能(Neng)用(Yong)于(Yu)气(Qi)体(Ti)。(?)而(?)蒸(Zheng)汽(Qi)在(Zai)管(Guan)道(Dao)中(Zhong)输(Shu)送(Song)时(Shi),(?)由(You)于(Yu)外(Wai)界(Jie)温(Wen)度(Du)的(De)变(Bian)化(Hua)就(Jiu)有(You)不(Bu)同(Tong)含(Han)量(Liang)的(De)冷(Leng)凝(Ning)水(Shui),(?)常(Chang)常(Chang)造(Zao)成(Cheng)电(Dian)磁(Ci)阀(Fa)失(Shi)误(Wu)的(De)动(Dong)作(Zuo)。(?)
只(Zhi)有(You)解(Jie)决(Jue)了(Liao)以(Yi)上(Shang)几(Ji)个(Ge)问(Wen)题(Ti)才(Cai)能(Neng)使(Shi)蒸(Zheng)汽(Qi)电(Dian)磁(Ci)阀(Fa)满(Man)足(Zu)了(Liao)起(Qi)码(Ma)的(De)使(Shi)用(Yong)要(Yao)求(Qiu)。(?)我(Wo)所(Suo)1975年(Nian)开(Kai)始(Shi)就(Jiu)对(Dui)蒸(Zheng)汽(Qi)电(Dian)磁(Ci)阀(Fa)进(Jin)行(Xing)研(Yan)究(Jiu)。(?)我(Wo)们(Men)是(Shi)采(Cai)取(Qu)如(Ru)下(Xia)措(Cuo)施(Shi)解(Jie)决(Jue)上(Shang)述(Shu)问(Wen)题(Ti)的(De)。(?)
1、(?)采(Cai)用(Yong)特(Te)种(Zhong)高(Gao)温(Wen)电(Dian)热(Re)材(Cai)料(Liao)和(He)密(Mi)封(Feng)材(Cai)料(Liao),(?)并(Bing)采(Cai)取(Qu)了(Liao)特(Te)种(Zhong)加(Jia)工(Gong)工(Gong)艺(Yi)使(Shi)耐(Nai)温(Wen)高(Gao)达(Da)220℃(?)。(?)
2、(?)阀(Fa)体(Ti)采(Cai)用(Yong)铝(Lu)合(He)金(Jin),(?)其(Qi)余(Yu)与(Yu)介(Jie)质(Zhi)接(Jie)触(Chu)的(De)零(Ling)件(Jian)采(Cai)用(Yong)不(Bu)锈(Xiu)钢(Gang)制(Zhi)作(Zuo),(?)解(Jie)决(Jue)了(Liao)锈(Xiu)蚀(Shi)问(Wen)题(Ti)。(?)
3、(?)采(Cai)用(Yong)分(Fen)布(Bu)直(Zhi)接(Jie)式(Shi)结(Jie)构(Gou)型(Xing)式(Shi),(?)压(Ya)力(Li)适(Shi)应(Ying)范(Fan)围(Wei)0-16kgf/cm2,(?)动(Dong)作(Zuo)可(Ke)靠(Kao),(?)寿(Shou)命(Ming)不(Bu)因(Yin)磨(Mo)损(Sun)而(?)缩(Suo)短(Duan)。(?)
4、(?)采(Cai)用(Yong)了(Liao)特(Te)殊(Shu)的(De)设(She)计(Ji)措(Cuo)施(Shi)和(He)检(Jian)验(Yan)措(Cuo)施(Shi),(?)扩(Kuo)大(Da)介(Jie)质(Zhi)粘(Zhan)度(Du)适(Shi)用(Yong)范(Fan)围(Wei),(?)保(Bao)证(Zheng)了(Liao)正(Zheng)常(Chang)使(Shi)用(Yong)时(Shi)蒸(Zheng)汽(Qi)管(Guan)道(Dao)中(Zhong)含(Han)有(You)的(De)冷(Leng)凝(Ning)水(Shui)不(Bu)会(Hui)妨(Fang)碍(Ai)电(Dian)磁(Ci)阀(Fa)的(De)动(Dong)作(Zuo)。(?)
5、(?)省(Sheng)去(Qu)了(Liao)传(Chuan)统(Tong)的(De)复(Fu)位(Wei)弹(Dan)簧(Huang),(?)并(Bing)利(Li)用(Yong)流(Liu)体(Ti)润(Run)滑(Hua),(?)提(Ti)高(Gao)了(Liao)耐(Nai)疲(Pi)劳(Lao)和(He)耐(Nai)磨(Mo)损(Sun)的(De)性(Xing)能(Neng)。(?)
经(Jing)过(Guo)七(Qi)年(Nian)多(Duo)的(De)实(Shi)践(Jian),(?)这(Zhe)种(Zhong)方(Fang)案(An)的(De)可(Ke)行(Xing)性(Xing)得(De)到(Dao)了(Liao)证(Zheng)实(Shi)。(?)ZQDF-3系(Xi)列(Lie)蒸(Zheng)汽(Qi)电(Dian)磁(Ci)阀(Fa)。(?)在(Zai)现(Xian)场(Chang)使(Shi)用(Yong)中(Zhong)动(Dong)作(Zuo)可(Ke)靠(Kao),(?)使(Shi)用(Yong)寿(Shou)命(Ming)长(Chang)。(?)