Chii chinonzi Stainless Steel Valve

A vharuvhu yesimbi isina nguraivharuvhu yakagadzirwa nesimbi isingatsvi. Inogona kushandiswa kudzora kuyerera kwemhando dzakasiyana dzemvura, kusanganisira mhepo, mvura, utsi, nzira dzakasiyana-siyana dzinoparadza, slurry, oiri, simbi dzemvura, uye nzira dzinoshandisa radioactive.

1. Pfupiso Yekutanga uye Mhando Huru dzeMavharuvhu Esimbi Isina Kushanda

Tsanangudzo uye Hunhu Hukuru:

A vharuvhu yesimbi isina nguraivharuvhu ine zvikamu zvikuru, zvakaita semuviri wevharuvhu nechifukidziro chevharuvhu, zvakagadzirwa nesimbi isina ngura.

Imhando yevharuvhu isingakanganiswi nengura, inodzivirira ngura, uye ine simba rakanaka rekudzivirira kumanikidzwa.

Mavharuvhu esimbi isingatsvi anogona kushandiswa kubva pakumanikidzwa kwakaderera zvakanyanya kwe0.0013MPa kusvika pakumanikidzwa kwakakwira zvakanyanya kwe1000MPa, uye tembiricha yakakodzera inogona kushandiswa kubva pakupisa kwakaderera zvakanyanya kwe -269℃ kusvika pakupisa kwakakwirira kwe1430℃. Inogona kudzora mhando dzakasiyana dzemvura, kusanganisira mvura, utsi, mafuta, gasi, slurry, ngura dzakasiyana-siyana, simbi dzemvura, uye mvura ine radioactive.

• Kuramba Kupisa Kwakanyanya: Simbi isina ngura ine pokunyunguduka kwakanyanya uye inogona kutsungirira kushandiswa munzvimbo dzinopisa zvakanyanya.
• Kuramba Kuora: Simbi isina ngura haikanganisike uye inogona kutsungirira kushandiswa kwezvinhu zvinoparadza.
• Kudzivirira kumanikidzwa kwakanyanya: Simbi isina ngura ine simba rakanaka uye kusimba, zvichiita kuti ikwanise kutsungirira mamiriro ekumanikidzwa kwakanyanya.

2. Kupatsanurwa kwemavharuvhu esimbi isina ngura:

Mavharuvhu esimbi isina ngura anouya mumhando dzakasiyana-siyana, ane mhando dzakajairika dzinosanganisira:

2.1. Kupatsanurwa nerudzi rwevharuvhu:

• Valve yeSimbi Isina Stainless
• Simbi Isina Kugadziriswa Globe Valve
• Simbi Yekutarisa Valve Yesimbi Isina Stainless
• Simbi Isina Kugadziriswa Butterfly Valve
• Stainless Steel Ball Valve

Pakati pawo, mavharuvhu esimbi isina ngura anovhura nekuvharika nekukurumidza nekutenderedza vharuvhu pakati pemadhigirii makumi mapfumbamwe. Zvichienderana nemaumbirwo awo, anogona kukamurwa kuita mhando dzinoyangarara, dzakagadzika, uye dzinosimba.

2.2. Kupatsanurwa neValve Material:

• Vharuvhu yeCF8 (Vharuvhu ye304)
• Vharuvhu yeCF8M (Vharuvhu ye316)
• Vharuvhu yeCF3 (Vharuvhu ye304L)
• Vharuvhu yeCF3M (Vharuvhu ye316L)

Zvimwe zvinhu zvemavharuvhu esimbi isina ngura zvinosanganisira mavharuvhu 321, mavharuvhu 201, nezvimwewo.

3. Chii chinonzi Stainless Steel

Simbi isina ngura ishoko rinotsanangura simbi isingatsvedzeri kana kuti inodzivirira acid. Simbi dzisingatsvedzeri ngura dzisina simba dzakadai semhepo, utsi, nemvura, kana dzine hunhu hunodzivirira ngura, dzinonzi simbi isingatsvedzeri. Simbi dzisingatsvedzeri ngura dzemakemikari (acids, alkalis, munyu, nezvimwewo) dzinonzi simbi isingatsvedzeri acid.

Nyanzvi dzesimbi dzakagadzira mhando itsva dzesimbi nekuwedzera zvinhu zvakaita seMo, Cu, Nb, naTi kusimbi isingatsvi kana zvinhu zvinoderedza zvakaita seC, Si, Mn, S, naF, kuti zvishandiswe zvakasiyana. Kuomesa mvura (sedimentation hardening) simbi isingatsvi uye duplex stainless steel zvakagadzirwawo zvinobudirira.

Cherechedza: Zvinhu zvesimbi isingasvibi simbi zvinoshandiswa zvakanyanya mumavharuvhu zvinosanganisira CF8, CF8M, CF3, uye CF3M. Kunewo simbi dze super duplex, dzakadai se4A, 5A, uye 6A.

Hunhu hweSimbi Isina Chinovhara

• Kudzivirira ngura zvakanaka: Mavharuvhu esimbi isina ngura ane simba guru rekudzivirira ngura, anodzivirira kukuvara kwemakemikari akasiyana-siyana uye akakodzera kushandiswa munzvimbo dzakasiyana-siyana.
• Kushanda Kwakanaka Kwekuvhara: Mavharuvhu esimbi isina ngura anoshandisa zvinhu zvinochinjika senzvimbo yekuvhara, zvichiita kuti zvive zvakanaka kuvhara uye zvinodzivirira kubuda kwemvura.
• Simba Rakanyanya uye Kusapfeka: Mavharuvhu esimbi isina ngura ane simba guru, zvichiita kuti akwanise kutsungirira kushandiswa pasi pekumanikidzwa kwakasiyana-siyana. Panguva imwe chete, mavharuvhu esimbi isina ngura anoratidza simba rakanaka rekupfeka, zvichibvumira kushandiswa kwenguva refu pasina kukuvara kwakanyanya.
• Zvinofadza Uye Zviri Nyore Kuchenesa: Mavharuvhu esimbi isina ngura ane chitarisiko chinoyevedza uye pamusoro payo pakajeka, zvinova nyore kuchenesa nekugadzirisa.
• Kushanda Kwakafara: Mavharuvhu esimbi isina ngura anogona kusarudzwa zvichienderana nemamiriro ezvinhu chaiwo ekushandiswa uye hunhu hwemvura, zvichipa kushanda kwakawanda.

4. Zvinhu Zvinofanira Kufungwa Nezvekusarudza Valve Yesimbi Isina Stainless

4.1. Kuongorora Nzvimbo Inoshanda uye Zvakatipoteredza:

Zvinhu zvikuru zvinofungwa nezvazvo pakusarudza inyaya yekuora, tembiricha, kumanikidzwa, uye mwero wekuyerera kwechinhu ichi. Semuenzaniso, munzvimbo dzine ma chloride ions (senge mvura yegungwa kana brine) kana makemikari anokonzera kuora zvakanyanya, simbi isingaparare ngura ye316 kana 316L inofanira kukosheswa kupfuura simbi isingaparare ye304.

4.2. Sarudzo Yezvinhu zveSimbi Isina Chinosara:

Mhando dzakasiyana dzesimbi isingatsvi dzinoratidza musiyano mukuru pakushanda kwayo, zvichireva kuti inoda kuenzaniswa kwakanyatsojeka zvichienderana nemamiriro ekushanda kwayo.

• 304 Simbi Isina Zvisimbiso: Ine 18% chromium uye 8% nickel (18/8 simbi isina zvisimbiso), ine simba rekudzivirira ngura uye hunhu hwemakanika, yakakodzera nzvimbo dzakawanda dzisiri dzemvura zvakanyanya, dzakadai semvura yemuguta, maindasitiri ezvekudya, uye masisitimu eHVAC. Simba rayo rekusimba ≥520MPa uye kureba ≥40%.
• 316/316L Simbi Isina Kugayiwa: Zvichibva pa304, molybdenum (Mo) inowedzerwa, zvichivandudza zvakanyanya kugayiwa kwengura, kunyanya kugayiwa kwengura. Yakakodzera mainjiniya emugungwa, kubviswa kwemunyu mumvura yegungwa, matangi ekuchengetera makemikari, nedzimwe nzvimbo dzine chloride ions kana dzine ngura yakasimba. 316L ine kabhoni shoma (≤0.03%), zvichidzivirira ngura yepakati pegranular mushure mekugayiwa, zvichiita kuti ive yakakodzera mavharuvhu makuru anoda kugayiwa.
• 3. Zvimwe Zvinhu: Kune zvinhu zvinoda simba rakawanda uye kusakara (senge mavharuvhu nepakati pemavharuvhu), simbi isina tsvina yemartensitic (senge 410) inogona kushandiswa; mumamiriro ezvinhu akaipisisa ekumanikidzwa kwakanyanya, ngura yakawanda, uye mwero wekuyerera kwakanyanya (senge kuburitsa mafuta negasi), simbi isina tsvina yeduplex (senge 2205), ine simba rakapetwa kaviri re304, inogona kufungwa nezvayo.

4.3. Zvinodiwa paMavharuvhu neSealing:

Saizi yakakodzera yevharuvhu (nominal dhayamita DN) inofanira kusarudzwa zvichienderana nehukuru hwepaipi uye zvinodiwa pakuyerera kwesystem, uye inofanira kuenderana nechiyero chekushanda kwesystem. Kushanda kweseal kunokanganisa zvakananga mashandiro; saka, chimiro chakakodzera cheseal nezvinhu (senge PTFE soft seals kana hard alloy hard seals) zvinofanirwa kusarudzwa zvichienderana nehunhu hwemedium.

5. Hunhu uye Mashandisirwo eMavharuvhu Esimbi Isina Kusimba

5.1. Hunhu hweMaumbirwo uye Kupatsanura:

Kunze kwekunge akagadzirwa nechimiro mumhando dzinoyangarara, dzakagadzika, uye dzinogara kwenguva refu, mavharuvhu esimbi isingatsvi anogonawo kuiswa muzvikamu nekugadzirwa kwemuviri wemavharuvhu kuita chidimbu chimwe chete (bore rakaderedzwa, chimiro chidiki), zvidimbu zviviri (bore rakazara), uye zvidimbu zvitatu (chimiro chakabatanidzwa, nyore kupatsanurwa nekugadzirisa, kuramba kumanikidzwa kwakanyanya). Rudzi rwedhayamita rwakafara, kazhinji kubva kuDN15 kusvika kuDN200.

5.2. Zvakanakira Kushanda:

• Kuramba Kuora: Mavharuvhu esimbi isina ngura ane simba guru rekudzivirira ngura, zvichiita kuti agone kutsungirira kushandiswa kwemidziyo inoparadza uye kuchengetedza masystem emapaipi.
• Kudzivirira Kupisa Kwakanyanya: Mavharuvhu esimbi isina ngura ane kusimba kwekupisa kwakanyanya, zvichivabvumira kutsungirira kushandiswa munzvimbo dzinopisa zvakanyanya uye kuona kugadzikana kwemasisitimu emapaipi.
• Kuramba Kudzvanywa Kwakanaka: Mavharuvhu esimbi isina ngura ane kudzvanywa kwakanaka, zvichivabvumira kutsungirira kushandiswa munzvimbo dzine kudzvanywa kwakanyanya uye kuchengetedza masisitimu emapaipi.
• Kuramba Ngura: Mavharuvhu esimbi isina ngura haawanzobatwa nengura, zvichiita kuti arambe achishanda kwenguva yakareba uye zvichideredza mari yekugadzirisa.

Muchidimbu, nekuda kwekushanda kwavo kwakanaka, mavharuvhu esimbi isingatsvi ane chinzvimbo chakakosha muindasitiri yemavharuvhu. Mavharuvhu esimbi isingatsvi anoshandiswa zvakanyanya kuvandudza kuchengetedzeka uye kugadzikana kwemasisitimu emapaipi uye kuderedza mari yekugadzirisa.

6. Nzvimbo dzeKushandisa

Mavharuvhu esimbi isina ngura anoshandiswa zvakanyanya mumakemikari, petrochemical, petroleum, kugadzira mapepa, kugadzira migodhi, magetsi, gasi rakanyungudutswa, chikafu, mishonga, kupa mvura nekubuda kwemvura, makambani, michina, zvemagetsi, uye maindasitiri ekuvaka mumaguta. Aya ndiwo maindasitiri akakosha ekudzora muzvirongwa zvekutakura mvura yemapaipi, anoshandiswa kushandura nzvimbo yepakati penzira uye gwara rekufamba kwemhepo, uye ane mabasa akadai sekutungamira, kudzima, kudzora, kudzora, kutarisa mavharuvhu, kutsausa, kana kuderedza kumanikidzwa kwemvura.

7. Kungwarira

Pakusarudza mavharuvhu esimbi isingatsvi, chinhu chakakodzera uye modhi zvinofanirwa kusarudzwa zvichienderana nenzvimbo chaiyo yekushanda uye hunhu hwepakati.

Mavharuvhu esimbi isina ngura anofanira kushandiswa zvakanyatsoenderana nezvinodiwa panguva yekuisa nekugadzirisa kuitira kuti ave nechokwadi chekuti anoshanda nguva dzose uye kuti anogara kwenguva yakareba sei.

Gara uchiongorora uye uchichengetedza mavharuvhu esimbi isingatsvi kuti uone nekukurumidza nekugadzirisa matambudziko anogona kuitika uye kusashanda zvakanaka.

Nzvimbo Dzekuisa Nekuchengetedza: Panguva yekuisa, tsinde yevharuvhu inofanira kunge yakamira kumusoro, uye tambo yekusimudza inofanira kunge yakabatana neflange, kwete vhiri reruoko kana tsinde yevharuvhu. Kuti udzivise ngura, dzivisa kukwenya pamusoro panguva yekuisa nekushandisa. Mushure mekusveta, kusveta nekunatsa kunofanirwa kuitwa panguva yakakodzera kuti firimu rekudzivirira ridzorerwe. Munzvimbo dzine ngura, kuchenesa nguva dzose uye kuchengetedza vharuvhu yakaoma zvinokurudzirwa.

8. Pfupiso

Mavharuvhu esimbi isina ngura anonyanya kufarirwa nekuda kwekushanda kwawo kwakanaka uye mashandisirwo akasiyana-siyana. Pakusarudza nekushandisa mavharuvhu esimbi isina ngura, zvinhu zvakaita sezvinhu, modhi, nzvimbo yekushanda, uye zvinodiwa pakuiswa nekugadzirisa zvinofanirwa kufungwa zvizere.