Kuzadzisa zvinodiwa neNFPA 20 kunoita kuti pombi yemoto ishande zvakanaka panguva yekukurumidzira. Zvinodiwa zvikuru zvechiyero ichi zvinotarisa nzvimbo ina dzakakosha dzekuchengetedza sisitimu.
·Sarudzo Yakakodzera yePombi
·Kuisa Kwakachengeteka
· Simba Rinovimbika
·Kuongororwa Nekuchengetedzwa Kwenguva Dzose
Gwaro iri rinorerutsa mitemo iyi yakaoma kuita matanho anogona kushandiswa. Rinopa kujeka kwekuiswa nekuchengetwa kwepombi dze centrifugal dzinobvisa simba remagetsi, zvichibatsira zvivakwa kuti zvirambe zvakagadzirira nguva dzose.
Danho 1: Kusarudza Pombi Yemoto Inobvisa Mvura Yakakodzera
Kusarudza pombi yemoto chaiyo ndiyo danho rekutanga rekutevedzera NFPA 20. Pombi haifanire kungozadzisa zvinodiwa nehydraulic zvesystem yekudzivirira moto chete asiwo kuve nemagwaro akakodzera uye yakagadzirwa nezvinhu zvakasimba. Izvi zvinoita kuti ishande sezvainotarisirwa panguva yenjodzi yemoto.
Kusimbisa Kunyorwa kweUL uye Kubvumidzwa kweFM
Chitupa chechitatu kubva kuUnderwriters Laboratories (UL) neFactory Mutual (FM) Global chinopa vimbiso yekuvimbika uye kushanda kwepombi. Vatariri venzvimbo vanogona kusimbisa chitupa chepombi kuburikidza nenzira yakajeka, ine matanho matatu:
1. Kumbira Zvitupa Kubva Kumugadziri: Mugadziri anopa zvitupa zvepamutemo zvinoratidza kutevedzera kwemusanganiswa wepombi zvinodiwa neNFPA 20.
2. Simbisa uchishandisa Official Online Databases: Tarisa nhamba dzemodheru nefaira dziri muUL Product iQ kana FM Approval Guide online databases. Modheru isingawanikwe mumadhairekitori aya haina chitupa.
3. Ongorora Zviratidzo zveData Plate yePombi: Kana wasvika, tarisa zita repombi risingaperi kuti uone chiratidzo chepamutemo chekusimbisa, nhamba yemuenzaniso, uye data rekushanda. Ruzivo urwu runofanira kuenderana nechitupa uye runyorwa rwepamhepo.
Kunzwisisa Kutenderera Kwekushanda Kwepombi
Mutsetse wekushanda kwepombi igrafu inotsanangura kugona kwepombi kushanda. NFPA 20 inoda kuti kushanda kwepombi kuongororwe pazvinhu zvitatu zvakakosha:
·Kuyerera (0% Kuyerera): Kumanikidzwa kana pombi ichishanda pasina mvura inoyerera. Kumanikidzwa kwekudzima kunofanira kugara mukati me101% kusvika 140% yekumanikidzwa kwakayerwa kudzivirira kukuvadza zvikamu zvesisitimu.
·Kuyerera Kwakayerwa (Kuyerera Kwe100%): Nzvimbo yekugadzira pombi inopa magaroni ayo akayerwa paminiti (GPM) pakumanikidzwa kwakayerwa.
·Kutakura zvakanyanya (150% Kuyerera): Pombi inofanira kupa kanenge 65% yekumanikidzwa kwayo kwakayerwa pa150% yekuyerera kwayo kwakayerwa pasina kuremedza mutyairi wayo (mota kana injini).
Simba remutyairi rinofanira kukwana kuti rikwanise kuenderana nezvinodiwa nepombi panzvimbo imwe neimwe iri pakona iyi.
Kuenzanisa Zvinhu Zvekuvaka Nezvinodiwa
NFPA 20 inotsanangura zvinhu zvakasimba kuti ive nechokwadi chekuti zvinogara kwenguva refu uye kudzivirira kutadza kushanda nguva isati yakwana.pombi dze centrifugal dzinobvisa simba remagetsidzinowanzo gadzirwa nesimbi yakakandwa, simbi yebronze kana kuti isina ngura, uye shaft yesimbi isina ngura yakasimba.
Cherechedza Nzvimbo Dzinoparadza. Pakushandisa mvura yemunyu kana mvura inoparadza, zvinhu zvakajairwa hazvina kukwana. NFPA 20 inobvumira zvinhu zvakagadzirwa nehunyanzvi. Semuenzaniso, mapombi e centrifugal anosveta emvura anogona kushandisa bronze, duplex stainless steel, kana machira akakosha kudzivirira ngura uye kuve nechokwadi chekuti anoshanda zvakanaka. Nguva dzose bvunza mugadziri kuti asarudze zvinhu zvakakodzera zvichibva panobva mvura.
Danho rechipiri: Kuiswa Kwakakosha Kwemapombi Ekubvisa Mvura Ekupedzisira
Pombi yakasarudzwa zvakanaka inoshanda zvakanaka chete pakuiisa kwayo. Kuiswa kwayo nemazvopombi dze centrifugal dzinobvisa simba remagetsiNFPA 20 inoona kuti pombi yacho inogara yakasimba, inoshanda zvakanaka, uye yakavimbika kwenguva refu. NFPA 20 inotsanangura zvinodiwa kuti pombi ishande zvakanaka panguva yenjodzi.
Zvinodiwa paPombi neFoundation Room
Nzvimbo yepombi uye chimiro chekutsigira ndizvo zvakakosha pakutevedzera mitemo. Imba yepombi pachayo inofanira kuzadzisa zvinodiwa zvakasimba zvekuchengetedza michina uye kuve nechokwadi chekuti inosvikika.
·Kuvaka: Imba yacho inofanira kunge yakatsaurirwa kune michina yekudzivirira moto uye yakaparadzaniswa nedzimwe nzvimbo nekuvakwa kwakayerwa nemoto.
·Kupinda: Zvinoda kupinda zvakananga kubva kunze kwechivako kana kuburikidza nekoridho inotsva, ine magonhi akakura zvakakwana kuti zvinhu zvifambiswe.
·Nzvimbo: Imba inofanira kuchengetedza tembiricha inosvika 40°F (4°C) kudzivirira kuomeswa nechando. Mapombi anofambiswa nedhiziri anodawo masisitimu emhepo akasimba kuti abvise utsi hwemhepo uye ape mweya wakakwana wekutsva.
Nheyo yepombi inofanira kunge yakakura zvakakwana kuti ikwanise kunyudza kudengenyeka uye kupa rutsigiro rwakasimba. Inowanzo gadzirwa nekongiri yakasimbiswa uye inofanira kugadzirwa kuti ikwanise kutakura huremu hwese hwepombi nedhiraivha. Purati yepombi inosungirirwa panheyo nemabhoti eanchor uye yozozadzwa negrout, zvichigadzira imwe chete, yakasimba structure unit inodzivirira kufamba uye inochengetedza shaft alignment.
Kuronga Kubvisa uye Kuburitsa Mapaipi
Kuisa mapaipi zvakanaka kwakakosha pakudzivirira kuvhurika kwepombi—chirwere chinokuvadza chinokonzerwa nekumanikidzwa kwakaderera panzvimbo inopinzwa pombi. NFPA 20 inopa mitemo yakajeka yekuronga mapaipi ekusukira:
·Paipi yekusveta inofanira kunge yakakura seflange yekusveta yepombi.
·Inofanira kunge iri pfupi uye yakatwasuka sezvinobvira.
·Chikamu chepombi chakatwasuka chakaenzana nekanenge kagumi kupfuura dhayamita yepombi chinofanira kuiswa zvakananga pamberi pepombi inopinza mvura kuti ideredze kuvhunduka.
· Magokora nezvishandiso zvinokonzera kuvhiringika zvinofanira kudzivirirwa pedyo nepanopinda pombi.
Mapaipi ekubuditsa mvura anofanirawo kunge akakura zvakanaka uye akatsigirwa zvakachengeteka kuti akwanise kubata kumanikidzwa kwakanyanya kunokonzerwa nepombi. Mapaipi ekubuditsa mvura nemapaipi ekubuditsa mvura epombi dzinoshandisa centrifugal anofanira kuiswa kudzivirira kushushikana pabhokisi repombi.
Mageji Anodiwa uye Mavharuvhu Ekubatsira
Kushandiswa kwezvishandiso kunobvumira vashandi kuona mashandiro epombi. NFPA 20 inorayira magauge ekumanikidza kumativi ese ekukweva nekuburitsa pombi. Magauge aya anofanira kunge ari pedyo nepamaflange epombi kuti aone kumanikidzwa kwakarurama panguva yekuedza nekushanda.
Vharuvhu Yekununura Inodiwa Rini? Vharuvhu huru yekurerutsira kumanikidzwa haitenderwi pamapombi emoto anofambiswa nemagetsi. Zvisinei, inodiwa pamapombi anofambiswa neinjini yedhiziri kana kumanikidzwa kwakanyanya kuchigona kupfuura chiyero chezvikamu zvesystem. Izvi zvinogona kuitika kana injini ichishanda nekukurumidza kana kana paine kumanikidzwa kwakanyanya kwekusveta. Vharuvhu iyi yakakura zvichienderana nematafura eNFPA 20 uye inovhurwa isati yakwira zvine njodzi.
Danho rechitatu: Kuve nechokwadi chekuti magetsi anowanikwa uye anowanikwa
A pombi yemotoinoshanda chete kana iine simba rakavimbika uye mudzori akangwara kuti arishandise. NFPA 20 inogadza mitemo yakasimba yemagetsi nemakanika anotsigira pombi yemoto, ichiva nechokwadi chekuti inomhanya pasina dambudziko panguva yekukurumidzira. Zvinodiwa izvi zvinosiyana zvichienderana nekuti pombi inoshandisa mota yemagetsi here kana kuti mutyairi weinjini yedhiziri.
Kutevedzera Mutemo weVatyairi veMota dzeMagetsi
Mapombi anofambiswa nemota yemagetsi anoda simba rakasimba uye rakatsaurirwa. Simba iri rinofanira kubva pakubatanidza magetsi kwakavimbika kana panzvimbo yekugadzira magetsi. Simba remagetsi rinofanira kunge rakasiyana nemagetsi echivako kudzivirira kukanganiswa. Mawaya ese nemapaipi emagetsi zvinofanirwa kudzivirirwa kubva mukukuvadzwa kwemuviri nemoto. Semuenzaniso, tambo dzekufambisa dzinowanzo endeswa kunze kwechivako kana kuvharirwa nekongiri masendimita maviri kuti dzive nechokwadi chekuti dzakasimba.
Kudonha kweVoltage Kwakakosha. Simba rinofanira kunge rakakura kuti rikwanise kubata simba guru remota panguva yekutanga kwayo. NFPA 20 inobvumira kudonha kwevoltage isingapfuure 15% kana mota iri kutanga uye isingapfuure 5% kana ichishanda yazara.
Kutevedzera mitemo yeVatyairi veInjini yeDiziri
Injini dzedhiziri dzinopa simba radzo asi dzinoda masisitimu adzo ekutsigira. Chinodiwa chikuru ndechekupa mafuta. Tangi remafuta riri panzvimbo iyi rinofanira kuchengetedza dhiziri rakakwana kuti rishandise pombi kwenguva yakareba, inowanzoverengerwa se 1 galoni pabhiza, pamwe nekuwedzera 10% yesimba remagetsi nekuwedzera simba. Injini inodawo sisitimu yekutonhodza, iyo inowanzoshandisa chinodzora kupisa chinotenderedza mvura kubva mupombi kuti injini isapise. Kufefetera kwakakodzera kunosungirwawo kuti mhepo itsva ipe uye kubvisa utsi hwemhepo kunze kwepombi.
Magadzirirwo ePombi yemoto
Chinodzora pombi yemoto ndicho uropi hwesisitimu, chine basa rekutanga pombi otomatiki kana yaona kuderera kwesimba. Chinodzora chinofanira kunge chiri mukamuri rimwe chete nepombi uye chiri nyore kusvika. NFPA 20 inorayira kuti chinodzora chitarise uye chiratidze mamiriro ezvinhu akaoma kunzvimbo iri kure. Maalarm akakosha anotarisirwa anosanganisira:
·Pombi iri kushanda
·Kurasikirwa nesimba guru
·Kudzoserwa kwechikamu (kwemota dzemagetsi)
·Dambudziko reinjini kana kuti mafuta mashoma (emainjini edhiziri)
Maaramu aya ari kure anoita kuti vashandi vekuvaka vazive nekukurumidza mamiriro ehurongwa, kungave kuri kushanda zvakanaka kana kuti kuchida kutarisirwa.
Danho rechina: Kuongororwa Kwekugamuchira uye Kuramba Uchigadzirisa
Sisitimu yepombi yemoto inoenderana nezvinodiwa inoda kuongororwa kushanda kwayo kana yaiswa uye kugadziriswa nguva dzose kuti ive nechokwadi chekuti yakagadzirira. Kuongororwa kwekugashira kwayo kunosimbisa kugadzwa kwayo kwekutanga, nepo purogiramu yekugadzirisa yakagadzikana ichichengetedza kushanda kwayo kwemakore anotevera.
Maitiro ebvunzo yekugamuchirwa mumunda
Bvunzo yekugamuchirwa kwenzvimbo ndiyo yekusimbisa kwekupedzisira kunoitwa nesystem yepombi yemoto sezvayakagadzirwa. Bvunzo iyi yakakosha inoitwa nevashandi vane hunyanzvi, avo vanogona kusanganisira mumiriri wemugadziri, mugadziri wekudzivirira moto, uye Authority Having Jurisdiction (AHJ). Munguva yebvunzo, mainjiniya vanonyora kumanikidzwa kwepombi uye mwero wekuyerera kwemvura panzvimbo dzakawanda. Pombi inofanira kusvika kana kudarika mashandiro anoratidzwa pa shop curve yayo yakasimbiswa pamamiriro matatu akakosha: kusayerera kwemvura (churn), kuyerera kwemvura (100%), uye kuyerera kwemvura (150%). Kune mapombi ane zvinodzora kumhanya zvinoshanduka, kuyedza kunowedzera kusvika pa25%, 50%, 75%, uye 125% yesimba rakaongororwa.
Rondedzero dzekuongorora dzevhiki nevhiki uye dzegore negore
Kuongorora nguva dzose kunosungirwa kuti zvienderane nemutemo uye kuvimbika.
·Bvunzo revhiki nevhiki rekuti "Hapana Kuyerera": Vashandi vepanzvimbo vanofanira kumhanyisa pombi kwemaminitsi gumi vhiki rega rega vasina mvura inoyerera. Munguva yebvunzo iyi, vanonyora kumanikidzwa kwekutanga, kusveta, uye kuburitsa mvura. Vanotarisawo ruzha rusina kujairika, kudedera, kana kupisa kwakanyanya mupombi nemabheringi. Matinji epombi anofanirwa kuongororwa kuti aone kana paine kudonha kwakakodzera, uko kunowanzoita kuti mvura idonhe zvishoma nezvishoma kuti ive nechokwadi chekuti mafuta anonyorovesa.
·Bvunzo regore negore rekuti "Full-Flow": Nyanzvi inokwanisa kuita bvunzo yakazara gore rega rega. Bvunzo iyi inoyera mashandiro epombi paisina kuyerera, kuyerera kwakayerwa, uye 150% yesimba rayo rakayerwa achishandisa michina yakayerwa. Nyanzvi inonyora data rese rakagadzirwa, kusanganisira kumanikidzwa, mwero wekuyerera, voltage, uye amperage, ichienzanisa mhedzisiro nemiedzo yapfuura kuti ione chero kuderera kwekushanda.
Mabasa Akakosha Ekugadzirisa Hupenyu Hurefu
Kugadzirisa nekukurumidza kunodzivirira kutadza kusingatarisirwi uye kunoita kuti pombi ishande kwenguva yakareba. Mabasa maviri akakosha nderekudira mafuta uye kugadzirisa kurongedza.
Zano Renyanzvi: Kuzora Mafuta Uye Kurongedzapombi dzemoto dzinobvisa simba rekudzivirira motoshandisa mabheringi ane mafuta. Mitemo yemugadziri inorayira nguva yekuzorazve mafuta zvichienderana nehukuru hwebheringi uye maawa ekushanda. Nyanzvi dzinofanirawo kutarisa kurongedza kwepombi panguva yekushanda kwevhiki nevhiki. Kugadzirisa kwakakodzera kunoita kuti pave nekubuda mvura kudiki kuti kutonhodze uye kunyorovesa, zvichidzivirira kusakara nguva isati yakwana. Kurongedza patsva kunova kwakakosha chete kana gland risingachakwanisi kugadziriswa kudzora kubuda kwemvura.
Rwendo rwekutevedzera mitemo yenzvimbo runobva pazvikamu zvina: Kusarudza Kwakarurama, Kuisa Kwakakodzera, Simba Rinovimbika, uye Kuongororwa Kwenguva Dzose. Kutevedzera kunodzivirira kutadza kwekuongorora kunowanzoitika, zvakaita semhedzisiro yekuyerera kwemvura isina kunaka kana mageji asingawanikwe.
Rondedzero Yekupedzisira Yekutarisa Kutevedzera Mutemo
· Pombi yakanyorwa paUL/FM.
·Kushanda kunosimbiswa pahuwandu hwe150%.
·Mapaipi ane saizi chaiyo.
· Simba rinobuda rakatsaurirwa uye rakavimbika.
· Miedzo yese inodiwa inoitwa.
Kuregeredza matanho aya kunogona kutungamira mukufaindiswa kwakanyanya kwemutemo uye kurambwa kwezvikumbiro zveinishuwarenzi. Vatariri vezvivakwa vanofanirwa kugara vachitarisa chinyorwa chazvino cheNFPA 20, icho chinogadziriswa nguva nenguva, uye nyanzvi ine hunyanzvi senge mainjiniya wekudzivirira moto ane certification kuti ive nechokwadi chekuti yakachengeteka uye inotevedzera mitemo.
Mibvunzo Inowanzo bvunzwa
Sei mutemo wepaipi gumi-dhayamita wepombi yekusveta wakakosha kudaro?
Mutemo uyu unovimbisa kuti mvura inoyerera zvakanaka, isingapindi mupombi. Kutenderera kunogona kukonzera kuvhurika kwemupombi, chirwere chinokuvadza impeller uye chinoderedza kushanda kwayo. Kutevedzera mutemo uyu kunodzivirira michina uye kunovimbisa kuvimbika panguva yekukurumidzira.
Pombi yekusveta mvura inogona kushandiswa here pakushandisa mvura yemunyu?
Mapombi akajairika anoshandisa zvinhu zvinoora mumvura ine munyu.NFPA 20inoda zvinhu zvakakosha, zvisingakanganiswi nengura munzvimbo idzi. Vagadziri vanotungamira vakaita saTONGKE vanopa mapombi akavakwa nesimbi isina tsvina yebronze kana duplex kunyanya kushandiswa mumvura nezvimwe zvinoshandiswa mumvura zvinoda mvura, zvichiita kuti ive nehupenyu hurefu uye inoenderana nezvinodiwa.
Chinangwa chebvunzo yevhiki nevhiki yekuti "hapana kuyerera kweropa" ndechei?
Bvunzo yevhiki nevhiki inosimbisa kugadzirira kwepombi pasina mvura yakawanda inoyerera. Inosimbisa kuti pombi inotanga nemazvo uye inobvumira vanoishandisa kutarisa kana paine mvura inobuda, kudedera kusingawanzoitiki, kana kupisa zvakanyanya. Kuongorora uku kuri nyore chikamu chakakosha chekugadzirisa nekukurumidza uye kutevedzera NFPA 20.
Pombi yega yega yemoto inoda vharuvhu yekurerutsira kumanikidzwa here?
Vharuvhu huru yekurerutsira inowanzo dikanwa chete pamapombi anofambiswa neinjini yedhiziri. Vharuvhu iyi inodzivirira zvikamu zvesisitimu kubva pakumanikidzwa kwakanyanya kana injini ikashanda nekukurumidza. Mapombi anofambiswa neinjini yemagetsi, nekumhanya kwawo kunogara kuripo, kazhinji haadi imwe.
Nguva yekutumira: Zvita-12-2025