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阀(Fa)门(Men)原(Yuan)理(Li)

您(Nin)的(De)位(Wei)置(Zhi):(?) > 新(Xin)闻(Wen)中(Zhong)心(Xin) > 阀(Fa)门(Men)原(Yuan)理(Li) >
呼(Hu)吸(Xi)阀(Fa)工(Gong)作(Zuo)原(Yuan)理(Li)((?)图(Tu))(?)
来(Lai)源(Yuan):(?)x-border.com作(Zuo)者(Zhe):(?)上(Shang)海(Hai)凯(Kai)利(Li)科(Ke)阀(Fa)门(Men)有(You)限(Xian)公(Gong)司(Si)更(Geng)新(Xin)时(Shi)间(Jian):(?)2023-03-31 10:03:39
呼(Hu)吸(Xi)阀(Fa)(Breathing Valve)(?)用(Yong)于(Yu)储(Chu)罐(Guan)气(Qi)压(Ya)平(Ping)衡(Heng),(?)减(Jian)少(Shao)介(Jie)质(Zhi)挥(Hui)发(Fa)的(De)安(An)全(Quan)节(Jie)能(Neng)产(Chan)品(Pin),(?)其(Qi)原(Yuan)理(Li)是(Shi)利(Li)用(Yong)正(Zheng)负(Fu)压(Ya)阀(Fa)盘(Pan)的(De)重(Zhong)量(Liang)来(Lai)控(Kong)制(Zhi)储(Chu)罐(Guan)的(De)排(Pai)气(Qi)正(Zheng)压(Ya)和(He)吸(Xi)气(Qi)负(Fu)压(Ya);(?)确(Que)保(Bao)罐(Guan)内(Nei)的(De)压(Ya)力(Li)不(Bu)再(Zai)继(Ji)续(Xu)下(Xia)降(Jiang)或(Huo)上(Shang)升(Sheng),(?)让(Rang)罐(Guan)内(Nei)与(Yu)罐(Guan)外(Wai)的(De)气(Qi)压(Ya)平(Ping)衡(Heng),(?)是(Shi)保(Bao)护(Hu)储(Chu)罐(Guan)的(De)安(An)全(Quan)装(Zhuang)置(Zhi)。(?)
呼(Hu)吸(Xi)阀(Fa)工(Gong)作(Zuo)原(Yuan)理(Li)((?)图(Tu))(?)
1、(?)当(Dang)罐(Guan)内(Nei)介(Jie)质(Zhi)的(De)压(Ya)力(Li)在(Zai)呼(Hu)吸(Xi)阀(Fa)的(De)控(Kong)制(Zhi)操(Cao)作(Zuo)压(Ya)力(Li)范(Fan)围(Wei)之(Zhi)内(Nei)时(Shi),(?)呼(Hu)吸(Xi)阀(Fa)不(Bu)工(Gong)作(Zuo),(?)保(Bao)持(Chi)油(You)罐(Guan)的(De)密(Mi)闭(Bi)性(Xing);(?)
2、(?)当(Dang)储(Chu)罐(Guan)内(Nei)压(Ya)力(Li)过(Guo)高(Gao)时(Shi)((?)作(Zuo)业(Ye)人(Ren)员(Yuan)往(Wang)储(Chu)罐(Guan)输(Shu)送(Song)汽(Qi)油(You)时(Shi),(?)罐(Guan)内(Nei)开(Kai)始(Shi)增(Zeng)压(Ya))(?)达(Da)到(Dao)设(She)定(Ding)的(De)压(Ya)力(Li)时(Shi),(?)呼(Hu)吸(Xi)阀(Fa)开(Kai)始(Shi)工(Gong)作(Zuo),(?)呼(Hu)吸(Xi)阀(Fa)正(Zheng)压(Ya)阀(Fa)盘(Pan)被(Bei)打(Da)开(Kai),(?)将(Jiang)储(Chu)罐(Guan)内(Nei)产(Chan)生(Sheng)的(De)气(Qi)压(Ya)开(Kai)始(Shi)往(Wang)外(Wai)排(Pai)出(Chu),(?)当(Dang)罐(Guan)体(Ti)内(Nei)的(De)压(Ya)力(Li)低(Di)于(Yu)设(She)定(Ding)压(Ya)力(Li)时(Shi),(?)呼(Hu)吸(Xi)阀(Fa)密(Mi)封(Feng)板(Ban)关(Guan)闭(Bi),(?)保(Bao)持(Chi)关(Guan)闭(Bi)状(Zhuang)态(Tai),(?)防(Fang)止(Zhi)罐(Guan)内(Nei)介(Jie)质(Zhi)挥(Hui)发(Fa)。(?)
3、(?)当(Dang)储(Chu)罐(Guan)内(Nei)产(Chan)生(Sheng)负(Fu)压(Ya)时(Shi)((?)作(Zuo)业(Ye)人(Ren)员(Yuan)往(Wang)储(Chu)罐(Guan)外(Wai)输(Shu)送(Song)汽(Qi)油(You)时(Shi),(?)罐(Guan)内(Nei)开(Kai)始(Shi)产(Chan)生(Sheng)负(Fu)压(Ya))(?)达(Da)到(Dao)设(She)定(Ding)的(De)负(Fu)压(Ya)时(Shi),(?)呼(Hu)吸(Xi)阀(Fa)开(Kai)始(Shi)工(Gong)作(Zuo),(?)呼(Hu)吸(Xi)阀(Fa)负(Fu)压(Ya)阀(Fa)盘(Pan)被(Bei)打(Da)开(Kai),(?)空(Kong)气(Qi)将(Jiang)吸(Xi)入(Ru)储(Chu)罐(Guan)内(Nei),(?)当(Dang)罐(Guan)体(Ti)内(Nei)的(De)压(Ya)力(Li)恢(Hui)复(Fu)正(Zheng)常(Chang)设(She)定(Ding)压(Ya)力(Li)时(Shi),(?)呼(Hu)吸(Xi)阀(Fa)密(Mi)封(Feng)板(Ban)关(Guan)闭(Bi),(?)保(Bao)持(Chi)关(Guan)闭(Bi)状(Zhuang)态(Tai),(?)防(Fang)止(Zhi)罐(Guan)内(Nei)介(Jie)质(Zhi)挥(Hui)发(Fa)。(?)
呼(Hu)吸(Xi)阀(Fa)结(Jie)构(Gou)原(Yuan)理(Li)
呼(Hu)吸(Xi)阀(Fa)是(Shi)指(Zhi)既(Ji)保(Bao)证(Zheng)贮(Zhu)罐(Guan)空(Kong)间(Jian)在(Zai)一(Yi)定(Ding)压(Ya)力(Li)范(Fan)围(Wei)内(Nei)与(Yu)大(Da)气(Qi)隔(Ge)绝(Jue)、(?)又(You)能(Neng)在(Zai)超(Chao)过(Guo)或(Huo)低(Di)于(Yu)此(Ci)压(Ya)力(Li)范(Fan)围(Wei)时(Shi)与(Yu)大(Da)气(Qi)相(Xiang)通(Tong)((?)呼(Hu)吸(Xi))(?)的(De)一(Yi)种(Zhong)阀(Fa)门(Men)。(?)其(Qi)作(Zuo)用(Yong)是(Shi)防(Fang)止(Zhi)贮(Zhu)罐(Guan)因(Yin)超(Chao)压(Ya)或(Huo)真(Zhen)空(Kong)导(Dao)致(Zhi)破(Po)坏(Huai),(?)同(Tong)时(Shi)可(Ke)减(Jian)少(Shao)贮(Zhu)液(Ye)的(De)蒸(Zheng)发(Fa)损(Sun)失(Shi)。(?)主(Zhu)要(Yao)由(You)阀(Fa)座(Zuo)、(?)阀(Fa)罩(Zhao)、(?)保(Bao)护(Hu)罩(Zhao)及(Ji)由(You)真(Zhen)空(Kong)和(He)压(Ya)力(Li)控(Kong)制(Zhi)的(De)两(Liang)组(Zu)启(Qi)闭(Bi)装(Zhuang)置(Zhi)组(Zu)成(Cheng)。(?)启(Qi)闭(Bi)装(Zhuang)置(Zhi)包(Bao)括(Kuo)阀(Fa)瓣(Ban)、(?)导(Dao)杆(Gan)、(?)弹(Dan)簧(Huang)、(?)弹(Dan)簧(Huang)座(Zuo)及(Ji)密(Mi)封(Feng)环(Huan)等(Deng)。(?)当(Dang)罐(Guan)内(Nei)压(Ya)力(Li)达(Da)到(Dao)额(E)定(Ding)呼(Hu)出(Chu)正(Zheng)压(Ya)时(Shi),(?)压(Ya)力(Li)阀(Fa)瓣(Ban)开(Kai)启(Qi),(?)罐(Guan)内(Nei)蒸(Zheng)气(Qi)排(Pai)出(Chu);(?)当(Dang)罐(Guan)内(Nei)真(Zhen)空(Kong)度(Du)达(Da)到(Dao)额(E)定(Ding)吸(Xi)入(Ru)负(Fu)压(Ya)时(Shi),(?)真(Zhen)空(Kong)阀(Fa)瓣(Ban)开(Kai)启(Qi),(?)空(Kong)气(Qi)进(Jin)入(Ru)。(?)
1、(?)呼(Hu)吸(Xi)阀(Fa)主(Zhu)要(Yao)由(You)阀(Fa)体(Ti),(?)正(Zheng)压(Ya)阀(Fa)盘(Pan),(?)负(Fu)压(Ya)阀(Fa)盘(Pan)组(Zu)成(Cheng)。(?)
2、(?)紧(Jin)定(Ding)式(Shi)呼(Hu)吸(Xi)阀(Fa)通(Tong)常(Chang)用(Yong)于(Yu)低(Di)压(Ya)直(Zhi)通(Tong)管(Guan)道(Dao),(?)密(Mi)封(Feng)性(Xing)能(Neng)完(Wan)全(Quan)取(Qu)决(Jue)于(Yu)塞(Sai)子(Zi)和(He)塞(Sai)体(Ti)之(Zhi)间(Jian)的(De)吻(Wen)合(He)度(Du)好(Hao)坏(Huai),(?)其(Qi)密(Mi)封(Feng)面(Mian)的(De)压(Ya)紧(Jin)是(Shi)依(Yi)靠(Kao)拧(Ning)紧(Jin)下(Xia)部(Bu)的(De)螺(Luo)母(Mu)来(Lai)实(Shi)现(Xian)的(De)。(?)一(Yi)般(Ban)用(Yong)于(Yu)PN≤0.6Mpa。(?)
3、(?)填(Tian)料(Liao)式(Shi)呼(Hu)吸(Xi)阀(Fa)是(Shi)通(Tong)过(Guo)压(Ya)紧(Jin)填(Tian)料(Liao)来(Lai)实(Shi)现(Xian)塞(Sai)子(Zi)和(He)塞(Sai)体(Ti)密(Mi)封(Feng)的(De)。(?)由(You)于(Yu)有(You)填(Tian)料(Liao),(?)因(Yin)此(Ci)密(Mi)封(Feng)性(Xing)能(Neng)较(Jiao)好(Hao)。(?)通(Tong)常(Chang)这(Zhe)种(Zhong)呼(Hu)吸(Xi)阀(Fa)有(You)填(Tian)料(Liao)压(Ya)盖(Gai),(?)塞(Sai)子(Zi)不(Bu)用(Yong)伸(Shen)出(Chu)阀(Fa)体(Ti),(?)因(Yin)而(?)减(Jian)少(Shao)了(Liao)一(Yi)个(Ge)工(Gong)作(Zuo)介(Jie)质(Zhi)的(De)泄(Xie)漏(Lou)途(Tu)径(Jing)。(?)这(Zhe)种(Zhong)呼(Hu)吸(Xi)阀(Fa)大(Da)量(Liang)用(Yong)于(Yu)PN≤1Mpa的(De)压(Ya)力(Li)。(?)
4、(?)自(Zi)封(Feng)式(Shi)呼(Hu)吸(Xi)阀(Fa)是(Shi)通(Tong)过(Guo)介(Jie)质(Zhi)本(Ben)身(Shen)的(De)压(Ya)力(Li)来(Lai)实(Shi)现(Xian)塞(Sai)子(Zi)和(He)塞(Sai)体(Ti)之(Zhi)间(Jian)的(De)压(Ya)紧(Jin)密(Mi)封(Feng)的(De)。(?)塞(Sai)子(Zi)的(De)小(Xiao)头(Tou)向(Xiang)上(Shang)伸(Shen)出(Chu)体(Ti)外(Wai),(?)介(Jie)质(Zhi)通(Tong)过(Guo)进(Jin)口(Kou)处(Chu)的(De)小(Xiao)孔(Kong)进(Jin)入(Ru)塞(Sai)子(Zi)大(Da)头(Tou),(?)将(Jiang)塞(Sai)子(Zi)向(Xiang)上(Shang)压(Ya)紧(Jin),(?)此(Ci)种(Zhong)结(Jie)构(Gou)一(Yi)般(Ban)用(Yong)于(Yu)空(Kong)气(Qi)介(Jie)质(Zhi)。(?)
5、(?)油(You)封(Feng)式(Shi)呼(Hu)吸(Xi)阀(Fa)现(Xian)在(Zai)呼(Hu)吸(Xi)阀(Fa)的(De)应(Ying)用(Yong)范(Fan)围(Wei)不(Bu)断(Duan)扩(Kuo)大(Da),(?)出(Chu)现(Xian)了(Liao)带(Dai)有(You)强(Qiang)制(Zhi)润(Run)滑(Hua)的(De)油(You)封(Feng)式(Shi)呼(Hu)吸(Xi)阀(Fa)。(?)由(You)于(Yu)强(Qiang)制(Zhi)润(Run)滑(Hua)使(Shi)塞(Sai)子(Zi)和(He)塞(Sai)体(Ti)的(De)密(Mi)封(Feng)面(Mian)间(Jian)形(Xing)成(Cheng)一(Yi)层(Ceng)油(You)膜(Mo)。(?)这(Zhe)样(Yang)密(Mi)封(Feng)性(Xing)能(Neng)更(Geng)好(Hao),(?)开(Kai)闭(Bi)省(Sheng)力(Li),(?)防(Fang)止(Zhi)密(Mi)封(Feng)面(Mian)受(Shou)到(Dao)损(Sun)伤(Shang)。(?)
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