Hauv kev tsim hluav taws xob hluav taws xob, kev xaiv kom raug ntawm cov hluav taws xob li qub yog ib qho ntawm cov kev lav phib xaub kom ua tau raws li kev siv. Yog tias cov hluav taws xob siv hluav taws xob tsis raug xaiv kom raug, nws yuav tsis tsuas yog cuam tshuam rau kev siv, tab sis kuj ua rau muaj qhov tshwm sim tsis zoo los yog kev puas tsuaj loj, yog li ntawd, kev xaiv kom raug ntawm cov hluav taws xob li qub nyob rau hauv cov kav dej engineering tsim.
Qhov chaw ua haujlwm ntawm lub tshuab hluav taws xob valve
Ntxiv nrog rau kev saib xyuas cov kav dej tsis tu ncua, kev saib xyuas tshwj xeeb yuav tsum tau them rau ib puag ncig ntawm nws txoj haujlwm, vim tias cov khoom siv hluav taws xob hauv lub valve yog cov khoom siv hluav taws xob, thiab nws cov kev ua haujlwm tau cuam tshuam zoo heev los ntawm nws qhov chaw ua haujlwm. Feem ntau, qhov chaw ua haujlwm ntawm lub valve hluav taws xob yog raws li hauv qab no:
1. Kev teeb tsa hauv tsev lossis sab nraum zoov siv nrog kev tiv thaiv;
2. Kev teeb tsa sab nraum zoov hauv qhov qhib cua, nrog cua, xuab zeb, nag thiab dej lwg, hnub ci thiab lwm yam yaig;
3. Nws muaj cov nplaim hluav taws kub hnyiab los yog tawg ua pa lossis plua plav ib puag ncig;
4. Cov huab cua sov, ib puag ncig qhuav;
5. Qhov kub ntawm cov kav dej nruab nrab yog siab li 480 ° C lossis siab dua;
6. Qhov kub thiab txias yog qis dua -20 ° C;
7. Nws yog ib qho yooj yim rau dej nyab los yog raus hauv dej;
8. Ib puag ncig nrog cov khoom siv hluav taws xob (nuclear power plant thiab radioactive material test devices);
9. Ib puag ncig ntawm lub nkoj lossis chaw nres nkoj (nrog ntsev tsuag, pwm, thiab ya raws);
10. Lub sijhawm muaj kev vibration hnyav;
11. Lub sijhawm muaj hluav taws kub;
Rau cov hluav taws xob li qub nyob rau hauv ib puag ncig uas tau hais los saum toj no, cov qauv, cov khoom siv thiab kev tiv thaiv ntawm cov khoom siv hluav taws xob sib txawv. Yog li ntawd, cov khoom siv hluav taws xob sib txuas yuav tsum raug xaiv raws li qhov chaw ua haujlwm saum toj no.
Cov kev xav tau ua haujlwm rau hluav taws xobli qub
Raws li kev tswj xyuas engineering, rau lub tshuab hluav taws xob, kev tswj xyuas ua tiav los ntawm cov khoom siv hluav taws xob. Lub hom phiaj ntawm kev siv hluav taws xob li qub yog kom paub txog kev tswj hluav taws xob uas tsis yog phau ntawv tswj hluav taws xob lossis lub khoos phis tawj tswj kev qhib, kaw thiab hloov kho qhov txuas ntawm li qub. Cov khoom siv hluav taws xob niaj hnub no tsis yog siv los txuag cov neeg ua haujlwm xwb. Vim muaj qhov sib txawv loj hauv kev ua haujlwm thiab kev ua tau zoo ntawm cov khoom los ntawm cov tuam txhab sib txawv, kev xaiv cov khoom siv hluav taws xob thiab kev xaiv cov li qub yog qhov tseem ceeb ntawm qhov project.
Hluav taws xob tswj hluav taws xobli qub
Vim qhov kev txhim kho tas mus li ntawm cov kev xav tau ntawm kev lag luam automation, ntawm ib sab, kev siv hluav taws xob li qub yog nce, thiab ntawm qhov tod tes, kev tswj cov kev xav tau ntawm cov hluav taws xob li qub tau nce siab dua thiab ntau dua. Yog li ntawd, kev tsim hluav taws xob li qub nyob rau hauv cov nqe lus ntawm kev tswj hluav taws xob kuj tseem hloov kho tas li. Nrog rau kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis thiab kev ua kom nrov thiab siv cov khoos phis tawj, cov kev tswj hluav taws xob tshiab thiab ntau hom yuav txuas ntxiv mus. Rau kev tswj tag nrho ntawm hluav taws xobvalve, yuav tsum tau them nyiaj mloog mus rau kev xaiv ntawm kev tswj hom ntawm hluav taws xob valve. Piv txwv li, raws li qhov xav tau ntawm qhov project, seb puas yuav siv hom kev tswj hwm hauv nruab nrab, lossis ib hom kev tswj ib leeg, seb puas yuav txuas nrog lwm yam khoom siv, kev tswj hwm kev tswj hwm lossis kev siv computer program tswj, thiab lwm yam, lub hauv paus ntsiab lus tswj yog txawv. . Cov qauv ntawm cov khoom siv hluav taws xob valve tsuas yog muab cov qauv kev tswj hwm hluav taws xob, yog li lub tuam txhab siv yuav tsum tau tshaj tawm cov khoom siv hluav taws xob nrog cov chaw tsim khoom hluav taws xob thiab qhia meej cov kev cai. Tsis tas li ntawd, thaum xaiv ib qho hluav taws xob valve, koj yuav tsum xav txog seb puas yuav yuav ib lub tshuab hluav taws xob ntxiv. Vim hais tias feem ntau, tus maub los yuav tsum tau yuav nyias. Feem ntau, thaum siv ib qho kev tswj hwm, nws yog ib qho tsim nyog yuav tau yuav ib tus maub los, vim tias nws yooj yim dua thiab pheej yig dua los yuav tus maub los dua li tsim thiab tsim los ntawm cov neeg siv khoom. Thaum cov hluav taws xob tswj kev ua haujlwm tsis tuaj yeem ua tau raws li kev tsim qauv engineering, cov chaw tsim khoom yuav tsum tau thov kom hloov kho lossis rov tsim dua tshiab.
Lub tshuab hluav taws xob valve yog ib qho cuab yeej uas paub txog kev ua haujlwm ntawm lub valve, kev tswj tsis siv neeg thiab cov chaw taws teeb tswj *, thiab nws cov txheej txheem txav tuaj yeem tswj tau los ntawm tus nqi stroke, torque lossis axial thrust. Txij li cov yam ntxwv ntawm kev khiav hauj lwm thiab kev siv tus nqi ntawm lub valve actuator nyob ntawm seb hom valve, kev ua haujlwm ntawm cov cuab yeej, thiab txoj haujlwm ntawm lub valve ntawm cov kav dej lossis cov khoom siv, kev xaiv kom raug ntawm lub valve actuator yog qhov tseem ceeb los tiv thaiv overload ( lub torque ua hauj lwm yog siab tshaj qhov tswj torque). Feem ntau, lub hauv paus rau kev xaiv kom raug ntawm cov khoom siv hluav taws xob valve yog raws li hauv qab no:
Kev khiav hauj lwm torqueThe kev khiav hauj lwm torque yog lub ntsiab parameter rau xaiv lub valve hluav taws xob ntaus ntawv, thiab cov zis torque ntawm lub tshuab hluav taws xob yuav tsum yog 1.2 ~ 1.5 npaug ntawm lub valve kev khiav hauj lwm torque.
Muaj ob lub tshuab tseem ceeb rau kev ua haujlwm ntawm lub tshuab hluav taws xob thrust valve: ib qho tsis tau nruab nrog lub tshuab thrust thiab ncaj qha tawm torque; Lwm qhov yog los teeb tsa lub phaj thrust, thiab cov zis torque yog hloov mus rau hauv cov zis tawm los ntawm cov txiv ntoo qia hauv lub phaj thrust.
Tus naj npawb ntawm kev sib hloov ntawm cov zis ncej ntawm lub tshuab hluav taws xob valve muaj feem xyuam nrog lub npe ntawm lub valve, lub suab ntawm cov qia thiab cov xov tooj, uas yuav tsum tau suav raws li M = H / ZS (M yog qhov Tag nrho cov kev sib hloov uas cov cuab yeej hluav taws xob yuav tsum tau ntsib, H yog qhov qhib qhov siab ntawm lub valve, S yog cov xov suab ntawm lub valve qia kis, thiab Z yog tus naj npawb ntawm threaded taub hau. tusvalveqia).
Yog hais tias qhov loj qia txoj kab uas hla tau tso cai los ntawm lub tshuab hluav taws xob tsis tuaj yeem dhau los ntawm lub qia ntawm lub valve, nws tsis tuaj yeem sib sau ua ke rau hauv lub tshuab hluav taws xob. Yog li ntawd, lub puab txoj kab uas hla ntawm lub hollow tso zis ncej ntawm lub actuator yuav tsum loj tshaj lub txheej kab ntawm lub qia ntawm qhib pas nrig valve. Rau cov pas nrig dub nyob rau hauv ib nrab ntawm lub pob valve thiab ntau tig valve, txawm hais tias qhov teeb meem dhau los ntawm lub valve qia txoj kab uas hla tsis tau txiav txim siab, txoj kab uas hla ntawm lub qia valve thiab qhov loj ntawm qhov tseem ceeb yuav tsum tau txiav txim siab thaum xaiv, kom nws tuaj yeem ua haujlwm ib txwm tom qab sib dhos.
Yog tias qhov qhib thiab kaw ceev ntawm qhov tso zis ceev valve nrawm dhau, nws yooj yim los tsim cov rauj dej. Yog li ntawd, qhov tsim nyog qhib thiab kaw ceev yuav tsum raug xaiv raws li kev siv sib txawv.
Valve actuators muaj lawv tus kheej cov cai tshwj xeeb, piv txwv li lawv yuav tsum muaj peev xwm txhais tau lub zog torque lossis axial rog. Feem ntauvalveactuators siv torque-limiting couplings. Thaum qhov loj ntawm cov cuab yeej hluav taws xob tau txiav txim siab, nws qhov kev tswj torque kuj tau txiav txim siab. Feem ntau khiav ntawm lub sij hawm predetermined, lub cev muaj zog yuav tsis overloaded. Txawm li cas los xij, yog tias muaj cov xwm txheej hauv qab no tshwm sim, nws yuav ua rau overload: thawj zaug, lub zog hluav taws xob hluav taws xob tsawg, thiab qhov xav tau torque tsis tuaj yeem tau, kom lub cev muaj zog nres; Qhov thib ob yog ua yuam kev kho lub torque limiting mechanism kom nws siab tshaj qhov nres torque, uas ua rau tsis tu ncua ntau dhau torque thiab nres lub cev muaj zog; qhov thib peb yog kev siv tsis tu ncua, thiab cov khoom siv hluav taws xob tsim tawm ntau tshaj qhov tso cai rau qhov kub thiab txias ntawm lub cev muaj zog; Plaub, lub Circuit Court ntawm lub torque limiting mechanism ua tsis tau tejyam, uas ua rau lub torque loj heev; Thib tsib, qhov ntsuas kub ntawm qhov ntsuas kub yog siab dhau, uas txo cov cua sov ntawm lub cev muaj zog.
Yav dhau los, txoj kev tiv thaiv lub cev muaj zog yog siv fuses, overcurrent relays, thermal relays, thermostats, thiab lwm yam, tab sis cov qauv no muaj lawv tus kheej zoo thiab qhov tsis zoo. Tsis muaj kev tiv thaiv txhim khu kev qha rau cov khoom siv thauj khoom sib txawv xws li cov khoom siv hluav taws xob. Yog li ntawd, ntau yam kev sib txuas yuav tsum tau txais kev pom zoo, uas tuaj yeem muab faib ua ob hom: ib qho yog txiav txim siab qhov nce lossis txo ntawm cov tswv yim tam sim no ntawm lub cev muaj zog; Qhov thib ob yog los txiav txim qhov xwm txheej cua sov ntawm lub cev muaj zog nws tus kheej. Nyob rau hauv ob txoj kev, ob txoj kev yuav siv sij hawm mus rau hauv tus account lub sij hawm margin ntawm lub cev muaj zog lub tshav kub muaj peev xwm.
Feem ntau, txoj kev tiv thaiv yooj yim ntawm overload yog: kev tiv thaiv overload rau kev ua haujlwm tsis tu ncua lossis kev khiav haujlwm ntawm lub cev muaj zog, siv lub ntsuas cua sov; Rau kev tiv thaiv ntawm lub cev muaj zog rotor, thermal relay yog saws; Rau kev sib tsoo luv luv, fuses lossis overcurrent relay yog siv.
Ntau resilient zaumnpauj npaim li qub,rooj vag valve, kos valvecov ntsiab lus, koj tuaj yeem tiv tauj peb ntawm whatsapp lossis E-mail.
Post lub sij hawm: Nov-26-2024
