Pipeline engineering-ah chuan electric valve thlan dik hi hman tur mamawh phuhrukna tur guarantee condition pakhat a ni. Electric valve hman tur thlan dik loh chuan hman dan a nghawng mai bakah, a rah chhuah tha lo emaw, hlohna nasa tak emaw a thlen dawn a, chuvangin pipeline engineering design-a electric valve thlan dik a ni.
Electric valve hnathawhna hmun
Pipeline parameters ngaihven bakah hian a hnathawhna hmuna boruak awm dan pawh ngaihven bik tur a ni, a chhan chu electric valve chhunga electric device hi electromechanical equipment a nih avangin a hnathawhna hmun hian nasa takin a nghawng a ni. A tlangpuiin electric valve hnathawhna hmun chu hetiang hi a ni:
1. In chhunga dah emaw, pawn lama hman emaw, invenna tur;
2. Pawn lama boruak zau takah dah, thli, vur, ruah leh ruah, ni eng leh leimin dangte awmna;
3. Kang thei emaw, puak thei emaw gas emaw leivut emaw boruak a nei a;
4. Hmun lum, khaw lum hmun vawt;
5. Pipeline medium lumna chu 480°C aia sang a ni a;
6. A chhehvel boruak lum leh vawt chu -20°C hnuai lam a ni a;
7. Tui lian emaw, tuiah thun emaw a awl a;
8. Radioactive material awmna boruak (nuclear power plant leh radioactive material test hmanrua);
9. Lawng emaw lawng chawlhna hmun (salt spray, mold, leh moisture awmna);
10. Vibration nasa tak awmna hun;
11. Kangmei chhuah tamna hun;
A chunga kan sawi tak environment-a electric valve-te tan chuan electric device-te structure, material leh venhimna dan a inang lo hle. Chuvangin, a chunga kan sawi tak hnathawhna hmun azirin a inmil tur valve electric device chu thlan tur a ni.
Electric atana hnathawh tur mamawhvalve te a awm
Engineering control mamawh angin electric valve atan chuan control function chu electric device hmanga tihfel a ni. Electric valve hman chhan chu valve hawn, khar leh siamthatna linkage atana non-manual electrical control emaw computer control emaw tihhlawhtlin a ni. Tunlai electric hmanrua te hi mihring chakna humhalh nan chauh hman a ni lo. Thil siamtu hrang hrang atanga thil siamte hnathawh leh quality inang lo tak tak a awm avangin electric hmanrua thlan leh valve thlan hi project atan hian a pawimawh ve ve a ni.
Electric hmanga electric hmanga control theihnavalve te a awm
Industrial automation mamawh tihchangtlun zel avang hian kawng khatah chuan electric valve hman a pung zel a, kawng dangah chuan electric valve control mamawhna a sang chho zel a, a buaithlak chho zel bawk. Chuvangin electrical control lam hawia electric valve design pawh update reng a ni. Science leh technology hmasawnna leh computer lar leh hman a nih chhoh zel avangin electrical control dan thar leh chi hrang hrang a lo chhuak zel dawn a ni. Electric control zawng zawng atanvalve a ni, electric valve control mode thlan dan ngaihven tur a ni. Entirnan, project mamawh dan azirin, centralized control mode hmang tur nge, single control mode hmang tur nge, hmanraw dang nena inzawm tur nge, program control emaw computer program control hman dan tur emaw, etc. te chu control principle a danglam a ni. Valve electric device siamtu sample hian standard electrical control principle chauh a pe a, chuvangin use department chuan electric device siamtu nen technical disclosure siamin technical requirements te chu a chiang tur a ni. Tin, electric valve i thlan dawnin electric valve controller dang lei leh lei loh tur i ngaihtuah tur a ni. A chhan chu a tlangpuiin controller hi a hranpaa lei a ngai a ni. A tam zawkah chuan control pakhat hman hunah controller lei a ngai a, a chhan chu a hmangtuin a design leh siam ai chuan controller lei hi a awlsam zawk a, a man a tlawm zawk bawk. Electrical control performance-in engineering design mamawh a tlin theih loh chuan a siamtu chu siam danglam emaw, design thar emaw tura rawtna siam tur a ni.
Valve electric device hi valve programming, automatic control leh remote control* tihlawhtling thei device a ni a, a motion process chu stroke, torque emaw axial thrust tam zia atanga control theih a ni. Valve actuator hnathawh dan leh hman dan rate chu valve chi, device hnathawh dan tur, leh pipeline emaw hmanrua emaw-a valve awmnaah a innghat avangin, overload (working torque hi control torque aiin a sang zawk) ven nan valve actuator thlan dik a pawimawh hle. A tlangpuiin valve electric device thlan dikna bulpui chu hetiang hi a ni:
Operating torqueValve electric device thlan nan operating torque hi parameter ber a ni a, electric device output torque chu valve operating torque aiin a let 1.2~1.5 a ni tur a ni.
Thrust valve electric device hmanna tur machine structure lian pahnih a awm a: pakhat chu thrust disc nei lo niin torque direct-in a pe chhuak a A dang chu thrust plate configure a ni a, chu chu output torque chu thrust plate chhunga stem nut hmangin output thrust-ah a chantir a ni.
Valve electric device output shaft-a rotational turn zat hi valve nominal diameter, stem pitch leh thread awm zat nen a inzawm a, chu chu M=H/ZS angin chhut tur a ni (M chu electric device-in rotations a tlin zat zawng zawng a ni a, H chu valve opening height a ni a, S chu valve stem transmission-a thread pitch a ni a, Z chu threaded heads of chumivalve a nikuang).
Electric device-in a phalsak stem diameter lian tak chu equipped valve stem a paltlang theih loh chuan electric valve-ah a inzawm khawm thei lo. Chuvangin, actuator hollow output shaft chhung lam diameter chu open rod valve stem pawn lam diameter aiin a lian zawk tur a ni. Partial rotary valve-a dark rod valve leh multi-turn valve tan chuan valve stem diameter-a passing problem ngaihtuah ni lo mah se, thlan hunah valve stem diameter leh keyway size pawh ngaihtuah kim vek tur a ni a, chutiang chuan assembly zawhah a pangngaiin a thawk thei ang.
Output speed valve hawn leh khar speed a chak lutuk chuan water hammer siam a awlsam hle. Chuvangin, hman dan hrang hrang a zirin hawn leh khar speed dik tak thlan tur a ni.
Valve actuators hian anmahni mamawh bik an nei a, chu chu torque emaw axial force emaw an sawifiah thiam tur a ni. Atlangpuiinvalve a niactuators te hian torque tikhawtlai thei coupling an hmang thin. Electric device lian tham tak a hriat chuan a control torque pawh a hriat theih bawk. A tlangpuiin hun ruat saah a tlan a, motor chu a phur lutuk lo vang. Mahse, a hnuaia thil awmte hi a lo awm a nih chuan overload a thlen thei a ni: pakhatnaah chuan power supply voltage a hniam a, torque mamawh chu hmuh theih a ni lo va, chuvang chuan motor chu a inher chhuak tawh lo a pahnihna chu torque limiting mechanism chu stopping torque aiin a lian zawka siam sual a, chu chuan torque tam lutuk chhunzawm zel a, motor a titawp a pathumna chu hunbi neia hman a ni a, heat accumulation siam chhuah chu motor-a temperature rise value phalsak aia tam a ni a; Palinaah chuan, torque limiting mechanism circuit chu eng emaw chhan vangin a fail a, chu chuan torque a ti lian lutuk a; Panganaah chuan ambient temperature a sang lutuk a, hei hian motor heat capacity a ti tlem a ni.
Tun hma chuan motor venhim dan chu fuse, overcurrent relay, thermal relay, thermostat, etc. hman a ni a, mahse heng hmanrua te hian thatna leh that lohna a nei ve tho. Electric device ang chi variable load hmanrua tan pawh venhimna rintlak a awm lo. Chuvangin, combination hrang hrang hman a ngai a, chu chu chi hnih-ah sawifiah theih a ni: pakhat chu motor-a input current tihpun leh tihhniam dan tehna a ni a A pahnihna chu motor chhung ngeia heating situation tehna a ni. Engti kawng pawhin, eng kawng pawhin motor heat capacity hun bituk pek chu a ngaihtuah a ni.
A tlangpuiin, overload laka invenna bulpui ber chu: motor hnathawh chhunzawm zel emaw, jog operation emaw atana overload venna, thermostat hmanga Motor stall rotor venhimna atan thermal relay hman a ni a; Short-circuit accident-ah chuan fuse emaw overcurrent relay emaw hman a ni.
Resilient zawka thutbutterfly valve te pawh a awm, .gate valve a ni, check valve a nidetails, whatsapp emaw E-mail emaw hmangin min rawn biak theih reng e.
Post hun chhung: Nov-26-2024
