1. Rudzi rwekupisa runofanira kusarudzwa sei?
Zvimiro zvakasiyana-siyana zvinopisa zvinopisa zvakakodzera kune zvakasiyana-siyana zvekushanda; basa rekutsinhanisa kupisa uye hunhu hwepakati hunofanirwa kutsanangurwa zvakajeka pamberi pekusarudzwa.
Midziyo yekupisa mundiro yakakodzera kushandiswa kunoda kushanda zvakanaka kwekuchinjana kupisa, ine nzvimbo shoma, uye midhiya yakachena, asi haikodzere kukwira-zvinwiwa zvepressure kana zvinwiwa zvine huwandu hwakakura hwezvinhu zvakasimba.
Shell-ne-machubhu ekubatisa kupisa akakodzera-kupisa, yakakwirira-pressure, yakaoma media, kana mamiriro asingatani kuita foiling; zvinopa kugadzikana kwechimiro asi zvinoda tsoka yakakura.
Spiral plate heat exchanger uye mhepo-yakatonhodzwa heat exchanger akakodzera nzira dzakakosha kana nzvimbo{1}}zvisina kuomerwa.
Nheyo yakakosha yekusarudzwa ndeyekuti: kukodzera kwemamiriro ekushanda kunotora pamberi pemutengo wemidziyo.
II. Ndeipi nzira inoda kugadziriswa?
• Ruzivo rwakakwana pamusoro pezvinopisa uye zvinotonhora zvekupedzisira zvinofanirwa kutsanangurwa zvakajeka, kusanganisira kuumbwa, kuisa pfungwa, uye chikamu (mvura/gasi/mhute).
• Kana media ichikuvadza (semuenzaniso, asidhi, alkali, munyu), giredhi rekushandisa (semuenzaniso, 304/316L/titanium) rinofanirwa kugadzwa pachine nguva.
• Kana nhepfenyuro iine oiri kana chinhu, anti-magadzirirwo ekuvhara kana kusefeta anofanira kutariswa.
• Midhiya yakasiyana ichakanganisawo kuyerera kwehuwandu hwekugadzira uye kuyerera kwegwara sarudzo.
• Ruzivo rweMedia chinhu chakakosha pakusarudza midziyo; kutonga kusiri iko kunogona kutungamira mukutadza kwemidziyo kana kupfupika hupenyu hurefu.
3. Chii chakagadzirirwa kupisa kupisa simba?
Kuchinjana kwehutsi ndiyo musimboti wekuverenga hwaro hwesarudzo yekupisa, inowanzoratidzwa mu kW kana kcal/h.
Iyo chaiyo yekupisa mutoro inofanira kuverengerwa pamwe chete nemaitiro ekugadzira, pane kufungidzira kuri nyore.
Kusakwana kwekutsinhanisa kupisa kunokonzeresa kuti sisitimu ikundikane kuzadzisa zvinodiwa zvekugadzira, nepo yakawandisa yekutsinhana kwekushisa ichawedzera mari yekudyara uye kurasikirwa kwesimba.
Imwe chengetedzo muganho (kazhinji 5% ~ 15%) inofanirwawo kutariswa panguva yekugadzira.
Kupisa kwekuchinjana huwandu hwakabatana zvakanyanya nemaparameter akadai seyekuyerera, mutsauko wetembiricha, uye chaiyo kupisa huwandu.
IV. Ndedzipi tembiricha yekupinda nekubuda?
• Tembiricha yekupinda nekubuda kwemvura inopisa neinotonhora inofanira kutsanangurwa zvakajeka; iyi ndiyo mamiriro akakosha ekuverengera kwekupisa.
• Idiki mutsauko wekushisa, hombe inodiwa nzvimbo yekutsinhanisa kupisa uye kukwira kwemutengo wemidziyo.
• Kana kushanduka kwekushisa kuripo, chigadziro chinofanira kunge chichienderana nemamiriro ezvinhu asina kunaka ekushanda.
• Pakuita nemazvo maitiro (akadai sechikafu nemishonga), kurongeka kwetembiricha kunodiwa kunokanganisa zvakananga dhizaini.
• Mamiriro ekupisa anokanganisawo zvinhu zvekupisa kushushikana uye kuvimbika kwekuisa chisimbiso.
V. Ndeapi mashandisiro ekushanda uye tembiricha siyana?
Izvo zvakakosha kuti utsanangure zvakajeka simba rekushandisa rekushandisa, dhizaini yedhizaini, uye huwandu hwekuchinja-chinja panguva yekushanda chaiko kudzivirira njodzi dzechimiro dzine chekuita nemamiriro ekudzvinyirira.
Pasi pe{{0}kudzvanywa kwemamiriro ezvinhu,-zvekusimba kwepamusoro kana madhizaini akakobvu anodiwa. Shell-uye-machubhu ekubatisa kupisa anofanira kukosheswa kuti awedzere kusimba kana zvichidiwa.
Iyo tembiricha yekushanda inokanganisa zvakananga kusarudzwa kwezvinhu uye kuisa chisimbiso dhizaini. Semuenzaniso, gaskets dzinofanirwa kusarudzwa zvichienderana neadzo tembiricha yekudzivirira chiyero, vachishandisa mhando dzakasiyana senge rabha, graphite, kana spiral ronda gaskets.
Kana tembiricha yagara ichichinja kana kukurumidza kukwira nekudonha, zvinokonzeresa kushushikana kwekushisa uye kuneta zvinofanirwa kunyatsoongororwa kudzivirira kutsemuka kana kudonha mukati mekushanda kwenguva refu.
6. Iyo yepakati inokwanisa kukwirisa kana kuvhara?
• Kuyera ndicho chimwe chezvikonzero zvikuru zvekuderera kwekushisa kwekushisa uye kunofanira kuongororwa pachine nguva.
• Midhiya ine calcium uye magnesium ions, zvakaturikwa zvakasimba, kana organic matter zvinogadzira fouling layers zviri nyore.
• Nezvikumbiro zvinonyanya kukwira, zvimiro zvinobviswa (senge plate heat exchangers) zvinofanirwa kukoshesa kuchenesa uye kugadzirisa zviri nyore.
• Kuyera kunogona kudzikiswa nekuwedzera mwero wekuyerera kana kubatanidza-madhizaini ekuyera.
• Kuregeredza kuyera kunogona kutungamirira kukurumidza kuderera kwekushanda kwekupisa kwekupisa uye kunyange kuvhara midziyo.
7. Ndezvipi zvinodiwa zvekushanda kwekuchinja kwekushisa?
Matanho akasiyana ane zvakasiyana zvakanyanya zvinodiwa zvekushanda kwekuchinjana kupisa. Semuyenzaniso, masisitimu ekuchengetedza magetsi -anowanzo koshesa macoefficients ekufambisa kupisa zvakanyanya kuderedza kushandiswa kwesimba uye kunatsiridza kudzoreredza kupisa.
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Plate heat exchangers inopa mabhenefiti akadai seyakanyanya kupisa kupisa kunyatsoshanda uye compact chimiro, asi yavo yakatetepa kuyerera nzira uye madonhwe makuru ekudzvinyirira zvinoda chiyero chakakwana pakati pekuvandudzwa kwesimba uye kupomba mashandisiro esimba.
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Nepo goko-uye-machubhu ekuchinjisa kupisa ane kushomeka kwekushisa kwekushisa, anodada nemaitiro akasimba, anoshingirira kutonhora kwakanyanya uye kumanikidzwa, uye anoratidza kugadzikana uye kuvimbika pasi pe-nguva inoramba ichishanda.
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Munguva yekusarudza kwemidziyo, zvinodikanwa kuongorora kana sisitimu ichikwanisa kushivirira imwe nhanho yekurasikirwa kwekumanikidzwa mukutsinhana neiyo diki yemidziyo tsoka uye yakakwirira nzvimbo yekushandisa.
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8. Ndeipi nzvimbo yekuisa uye interface zvinodiwa?
• Makuriro enzvimbo-yenzvimbo yekumisikidza anofanira kunyatsotsanangurwa, kusanganisira kureba, kufara, uye kugadzirisa.
• Zvimiro zvakasiyana zvemuchinjisa wekushisa zvine nzvimbo inodikanwa zvakasiyana zvikuru (zvitsinhana zveplate zvine compact, goko-uye-tubhu zvinobatisa kupisa zvinoda nzvimbo yakawanda).
• Inlet uye kubuda pombi madhayamita uye flange zviyero (semuenzaniso, PN, ANSI) inofanira kuenderana nehurongwa.
• Kana kuwedzera kweramangwana kana kuisa parallel kuchidiwa zvakare chinhu chakakosha chekugadzira.
• Zvipingamupinyi zvepanzvimbo zvinowanzokonzera zvakananga kusarudzwa kwekupedzisira kwekupisa kupisa.
9. Zviri nyore here kuchengetedza nekuchenesa mumatanho ekupedzisira?
Mukushanda-kwenguva refu, zvinochinjisa kupisa zvinokanganiswa nekuyera, kusvibiswa kwemari, uye zvigadzirwa zvekuora, zvinoda kucheneswa nguva nenguva. Kana zvisina kudaro, kushanda kwekushisa kwekushisa kuchaderera zvakanyanya, uye kushandiswa kwesimba kuchawedzera.
Midziyo yemoto yeplate ine dhizaini inobvisika, inogonesa kupatsanurwa nekucheneswa, zvichiita kuti zvinyanye kuenderana nemamiriro ekushanda anoda kugadziridzwa kwepamusoro-kuno garandirwa kana kuti iyo yepakati inokurumidza kukwirisa.
Shell-uye-machubhu ekuchinjisa kupisa, nekuda kwechimiro chawo chakavharirwa, ane nguva yakati rebei yekuchenesa yese, asi kugadzirisa kunoda dhizaini yakaoma kana kuchenesa makemikari.
Kuvepo kweSitimu Yakachena-mu-Place (CIP) kwakakosha kuti urambe uchigadzira, zvichiita kuti kuchenesa nekugadzirisa pasina nguva yekudzikira, zvinovandudza kuenderera mberi kwekugadzira.
10. Nzira yekuongorora bhajeti uye mutengo wehupenyu hwese?
• Mari yekutenga zvinhu chikamu chemari yekutanga uye haifanire kunge iri iyo chete nzira yekusarudza-kuita.
• Kushandisa simba rekushandisa (pombi kushandiswa kwesimba, kuderera kwepressure) kazhinji kunodhura-kwenguva refu.
• Mari yekuchengetedza (kuchenesa, kutsiva chisimbiso) inofanirawo kuiswa mukuverenga.
• Nepo-mudziyo wekushandisa wepamusoro uchidhura,-kuchengeta kwayo simba kwenguva refu kunogona kunge kwakakura.
• Ongororo yakazara inofanira kuitwa pachishandiswa Life Cycle Cost (LCC) modhi.
Kana iwe uchida kuziva zvakawanda nezve heat exchanger units kana uchida kutenga, ndapota tumira email kune9988xiaoshuai@gmail.com, tichakupindura nekufamba kwenguva mushure mekuona meseji!
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