Yuav tsum muaj dej haus thiab txoj kev loj rau nws kev thauj mus los. Cov yam ntxwv ntawm cov kav dej los ntawm ntau cov ntaub ntawv rau kev sib dhos ntawm cov kab ke. Tus kav dej haus tus nqi.
Cov kav dej haus yog cov khoom siv thauj cov kua tsis poob nws qhov zoo. Txog kev tsim txoj kev loj, nws raug tso cai siv cov qauv tshwj xeeb uas tsim los rau cov qauv no. Cia peb tham ntau ntxiv txog cov kav dej haum rau kev tsim kho cov dej haus.
Nta thiab cov tseev kom muaj
Hauv daim duab, yeeb nkab rau dej haus
Thaum kawg ntawm kev tsim lub tsev, cov tswv tau ntsib teeb meem ntawm kev muab vaj tsev nrog dej haus. Nws yog qhov tseeb los tsim cov txheej txheem dej rau koj tus kheej, tshwj xeeb tshaj yog tias muaj lub qhov dej lossis lwm qhov chaw muaj dej noo nyob ze. Txog kev tsim kho, koj yuav xav tau cov kav dej nrog cov yam ntxwv tshwj xeeb, lub hauv paus tseem ceeb yog khaws cov dej kom zoo.
Lub xeev ua rau xav tau siab tsis yog tsuas yog siv dej rau ua noj, tab sis kuj yog nws qhov chaw thiab txoj kev loj rau nws txav mus los. Rau lub koom haum muab dej, GOSTs ntawm cov kav dej haus, ntawv pov thawj, kev qhia tshwj xeeb thiab lwm yam ntaub ntawv tau tsim los tswj kev tsim khoom thiab siv cov khoom zoo li no.
Thaum tsim txoj haujlwm xa dej haus, yuav tsum ua raws li cov hauv qab no:
- Kev tu huv rau cov dej haus … Lawv tau sau tawm hauv EU tus qauv DIN Cov ntawv teev npe cov yam ntxwv zoo ntawm cov kua uas ua raws li "Kev Cai Dej Haus Dej" tam sim no thiab DIN 2000 thiab DIN 2001 tus qauv. muaj cov khoom zoo organoleptic, tsis muaj cov organic thiab inorganic suav nrog thiab zaj duab xis saum npoo.
- Daim ntawv ua haujlwm DVGW W551 … Daim ntawv tswj hwm kev ua haujlwm ntawm kev teeb tsa cov kav dej. Qhov xav tau tseem ceeb rau kev ua haujlwm yog tias cov kab mob ntawm cov kab mob yuav tsum tsis txhob tshwm sim hauv kab. Hauv cov txheej txheem sov, ntau yam kab mob me me feem ntau tshwm sim, yog li ntawd, cua sov txoj kev tso cai tsuas yog siv cov thev naus laus zis tshwj xeeb.
- AVB-Wasser V. - qhov xav tau rau kev tsim khoom ntawm cov khoom thauj thauj dej haus. Daim ntawv yuav tshuaj muaj cov lus qhia ntawm yuav tsum tau sau daim ntawv lo ntawm cov khoom no.
Txhua lub kav dej rau haus dej muag muag nrog cov ntaub ntawv hauv qab no:
- Daim ntawv pov thawj khoom (domestic lossis European Union), nyob rau hauv uas qib zoo ntawm cov khoom rau cov kav dej tau nkag mus. Nws lees paub tias tom qab kev thauj mus los, cov ntsiab lus ntawm cov tshuaj lom neeg hauv cov kua tsis hloov pauv lossis tsis pub tshaj qhov tso cai. Piv txwv li, ib tus neeg tuaj yeem haus dej yam tsis muaj kev phom sij rau kev noj qab haus huv yog tias nws tsis muaj ntau dua 0.003 mg / L ntawm alkylaminobenzene, 0.5 mg / L ntawm sodium alkenyl sulfonate, 1 mg / L ntawm ammonium alkylbenzenesulfonate, thiab lwm yam.
- Xaus ntawm Xeev Lub Huv Huv thiab Kev Tshawb Fawb Txog Kab Mob ntawm Kev Ua Raws Li Cov Qauv nrog Kev Xav Tau Kho Mob … Cov ntaub ntawv lees paub tias tsis muaj kev hloov pauv ntawm ib yam tshuaj los ntawm cov khoom siv hauv qab cov dej haus mus rau cov kua.
- Cov kev xav tau rau kev tsim cov khoom lag luam … Nws tau sau tawm cov txheej txheem txheej txheem rau kev tsim cov kav dej rau cov txheej txheem dej.
- Daim ntawv pov thawj khoom zoo … Nws lees paub qhov ua raws ntawm cov yam ntxwv tseeb ntawm cov khoom lag luam nrog cov tshaj tawm. Daim ntawv hla tebchaws qhia txog cov khoom lag luam, qib ntawm cov khoom, cov ntawv xeem, thiab lwm yam. Cov khoom tiv thaiv - 10 xyoo, lub neej ua haujlwm - tsis pub tsawg dua 100 xyoo.
Cov yas thiab cov kav hlau tau siv los thauj cov dej haus. Tsis hais cov khoom siv twg, lawv yuav tsum muaj cov khoom hauv qab no:
- Sab hauv thiab sab nrauv zoo ib yam;
- Tsis muaj kev txawv teb chaws suav nrog hauv phab ntsa;
- Cov yeeb nkab kab yog nyob hauv kev ua siab ntev.
Cov khoom yas tau xyaum ua cov khoom siv hlau uas tau nyiam yav dhau los hauv cheeb tsam no. Txawm tias cov tooj liab zoo thiab cov qauv hlau tsis tshua muaj neeg yuav vim tias tus nqi siab.
Cov kav dej yas rau cov dej haus yog qhov sib txawv ntawm cov khoom rau kev txav cov kua, yog li ntawd lawv muaj lawv tus kheej cov cim. Lawv pleev xim dawb lossis lub teeb txho nrog kab txaij xiav. Xim tsis cuam tshuam rau lawv qhov zoo, xim tau xaiv rau tsim vim li cas. Cov khoom lag luam rau lub hom phiaj no tau tsim tawm raws li lub xeev cov qauv, uas ua rau lawv muaj kev nyab xeeb raws li cov neeg siv tau.
Nco tseg! Qhov tsis muaj npav cim txhais tau tias cov yeeb nkab tsuas tuaj yeem siv hauv lub ntsiab lus rau lub hom phiaj kev siv. Kab txaij daj ceeb toom tias nws yog rau cov pa roj.
Hom kav dej rau haus dej
Txhawm rau txiav txim siab cov kav dej twg uas yuav siv rau cov dej haus, nws yog qhov tsim nyog los kawm txog cov khoom ntawm cov khoom, sab zoo thiab tsis zoo, thiab thaj tsam ntawm lawv daim ntawv thov. Hauv qab no yog cov yam ntxwv ntawm cov kav dej uas ua los ntawm ntau cov ntaub ntawv uas tuaj yeem siv los sib sau ua ke cov txheej txheem dej.
Galvanized kav
Muaj ntau hom hlau kav dej rau haus: galvanized, stainless hlau thiab corrugated stainless hlau. Cov khoom siv hlau tsis siv hauv cov kab ke no - cov khoom cuam tshuam rau xim thiab saj dej.
Cov khoom lag luam sab nrauv thiab sab hauv tau tiv thaiv los ntawm txheej txheej zinc - cov hlau tsis muaj xim. Muaj cov txheej txheej txheej sib txawv muaj nyob ntawm lub hom phiaj ntawm cov khoom. Yog li, hauv cov dej loj, nws raug tso cai siv tsuas yog cov khoob uas tau npaj rau lub hom phiaj zoo li no.
Qhov zoo ntawm cov kav dej haus galvanized suav nrog:
- Lub zog … Cov khoom lag luam Galvanized tuaj yeem tiv taus lub zog ntau hauv cov txheej txheem dua li cov dub thiab muaj kev ntseeg siab.
- Tawg siab tiv taus … Cov cuab yeej tso cai siv cov kav dej nrog cov phab ntsa 1, 5-3 npaug dua li cov yas.
- Xeev … Cov txheej txo qhov ntxhib ntawm phab ntsa sab hauv, yog li tsis muaj kev tsim ntsev tsim rau nws.
- Kev ruaj ntseg … Zinc tsis cuam tshuam rau tib neeg kev noj qab haus huv, vim tom qab kev thauj mus los hauv dej, nws tseem tsis pub ntau tshaj 5 mg / l ntawm MPC ntawm 10-15 mg / l.
- Kev pab lub neej ntev … Cov neeg tsim khoom lav tias cov kav dej haus galvanized yuav kav ntev txog 20 xyoo, tab sis nws txhua yam nyob ntawm qhov xwm txheej ib puag ncig, muaj pes tsawg tus dej, thiab lwm yam. Zinc ntseeg kom txuas lub neej ntawm cov kav hlau los ntawm 4 zaug. Nws tau pom tias thaum thawj 7 xyoo lawv tsis xav tau hloov lossis kho. Tom qab 16 xyoo, 15% ntawm cov khoom raug hloov pauv, thiab los ntawm qhov kawg ntawm lub sijhawm tsim - me ntsis ntau dua li ib nrab.
Galvanized cov kav dej haus kuj muaj ntau qhov tsis zoo:
- Lub sijhawm dhau los, cov txheej txheej zinc raug ntxuav tawm lossis rhuav tshem, cov khoom pib xeb. Cov khoom ua xeb ua rau cov dej tsis haum rau haus, cuam tshuam kev ua haujlwm ntawm lub tshuab ua haujlwm tsis zoo, txhaws txoj hauv kev thiab ua rau lub qhov rooj kaw tsis zoo. Cov txheej txheem dej yuav tsum tau kho tas li.
- Cov kav dej tau tsim los muab cov dej haus txias xwb, nyiam dua cov dej huv, vim tias nws muaj pes tsawg leeg cuam tshuam rau kev pabcuam lub neej. Raws li qhov kub nce, qhov kev puas tsuaj ntawm txheej txheej zinc nce.
- Nws tsis pom zoo kom tso cov kua yam tsis muaj kev txav mus los ntawm txoj kev no ntev.
- Dej nrog cov muaj pes tsawg leeg hauv qab no tau txiav txim siab qhov zoo tshaj plaws rau cov khoom: acid -base balance PH - tsawg dua 8, 5; sulfate - txog 150 mg / l; saturation index> 150 mg / l; chloride - txog 150 mg / l; oxygen - txog 3 mg / l; tooj liab - txog 0.04 mg / l. Qhov ntau ntawm cov tshuaj lom neeg no, cov zinc txheej txheej yuav tawg sai dua.
- Nws raug txwv tsis pub txuas nrog cov kav dej haus galvanized nrog tooj liab vim qhov tshwm sim ntawm cov txheej txheem tshuaj lom neeg hauv lub cev ua rau xeb ntawm cov khoom.
- Cov tooj liab divalent ntau hauv dej kuj yuav ua rau kab puas.
- Ntawm qhov siab ntws ntawm cov kua, txheej zinc raug ntxuav tawm. Qhov nrawm tshaj yuav tsum tsis pub tshaj 0.95 m / s.
- Cov kav dej haus yog hnyav, uas ua rau teeb tsa ua haujlwm nyuaj.
- Cov dej haus ib txwm txav mus txias, yog li ntawd cov txheej sab nrauv ntawm cov khoom hws thiab ua kom cov phab ntsa ntawm chav nyob ib sab nyob ze nws.
- Cov khoom ua haujlwm tau txuas nrog cov xov sib txuas, uas yuav tsum tau nruj nruj ib ntus. Yog tsis ua li ntawd yuav ua rau muaj xau.
- Ib lub raj xa dej ua los ntawm cov kav dej galvanized rau cov dej haus sib tsoo thaum cov dej khov thiab yuav tsum muaj rwb thaiv tsev nyob hauv ib cheeb tsam qhib.
- Cov yeeb nkab hlau tsis txaus, yog li muaj ntau qhov sib koom tshwm sim thaum sib dhos. Muaj ntau dua 85 kev sib txuas rau 1 km ntawm txoj kev.
- Txhawm rau hloov qhov kev taw qhia ntawm ceg, koj yuav tsum siv cov ces kaum thiab cov fittings.
- Tom qab 8-10 xyoo ntawm kev ua haujlwm, txheej txheej tseem ceeb ntawm cov ntsev tso rau hauv cov txheej txheem dej, uas pab txhawb rau kev tsim cov ntsaws.
Cov kav dej rau cov dej haus, tsim nyog rau txheej zinc, yog tsim los ntawm cov pa roj carbon zoo tib yam hauv qhov tsis sib thooj lossis qhov hluav taws xob txuas ntev. Lawv mus muag hauv qhov ntsuas qhov ntev ntawm 4-12 m.
Nyob ntawm phab ntsa tuab, cov kav dej galvanized rau cov dej haus tau muab faib ua lub teeb ci ntxiv (2, 5-4, 5 mm), lub teeb (2-4 mm) thiab txhawb ntxiv (4-5 hli). Dej zoo, lub zog muaj zog thiab kev pab lub neej ncaj qha nyob ntawm qhov tuab ntawm txheej. Cov txheej txheem tiv thaiv zoo tshaj plaws yog 45 microns, uas sib haum rau qhov nruab nrab ntawm 400 g ntawm zinc rau 1 m ntawm workpiece.
Galvanized cov kav dej haus tau txuas nrog los ntawm vuam lossis xov. Cov txheej txheem nyuaj los ntawm qhov tseeb tias thaum lub sijhawm txheej txheem nws yog qhov tsim nyog los xyuas kom muaj kev ncaj ncees ntawm txheej. Nws tuaj yeem weld cov qauv tsuas yog siv cov thev naus laus zis tshwj xeeb uas tsis rhuav tshem txheej tiv thaiv. Ua ntej cov txheej txheem, txheej txheej ntawm cov dej ntws tau thov rau thaj tsam kom koom nrog, uas tsis tso cai rau zinc yaj.
Cov yam ntxwv ntawm cov kav dej haus galvanized tau qhia hauv cov lus:
| Txoj kab uas hla, hli | Phab ntsa tuab, hli | Qhov hnyav 1 m, kg | Txuj | qib hlau |
| 15 | 2, 5 | 0, 771 | GOST 3262-75 | 08kp ib |
| 15 | 2, 8 | 0, 843 | GOST 3262-75 | 08kp ib |
| 15 | 3, 2 | 0, 931 | GOST 3262-75 | 1ps xub |
| 20 | 2, 5 | 1, 079 | GOST 3262-75 | 3ps xub |
| 20 | 2, 8 | 1, 188 | GOST 3262-75 | 08kp ib |
| 25 | 2 | 1, 134 | GOST 3262-75 | 3ps xub |
| 25 | 2, 8 | 1, 533 | GOST 3262-75 | 08kp ib |
| 25 | 3, 2 | 1, 72 | GOST 3262-75 | 2ps xub |
| 32 | 2, 8 | 2, 016 | GOST 3262-75 | 08kp ib |
| 32 | 3, 2 | 2, 272 | GOST 3262-75 | 08kp ib |
| 40 | 3 | 2, 737 | GOST 3262-75 | 08kp ib |
| 40 | 3, 5 | 3, 15 | GOST 3262-75 | 2ps xub |
Cov khoom siv hlau tsis huv
Stainless hlau hu ua hlau nrog cov khoom uas tiv thaiv kev xeb hlau. Rau cov kav dej, cov khoom lag luam nrog ntxiv ntawm zinc thiab chromium tau siv, uas yog vim li cas lawv thiaj li hu ua - galvanized thiab chromium -muaj. Ob qho khoom siv ua tau raws li txhua qhov kev xav tau GOST rau cov kav dej haus.
Tseem ceeb! Cov neeg nyiam tshaj plaws yog cov kav dej ua los ntawm cov hlau 12X18H10T, uas muaj chromium, npib tsib xee thiab titanium.
Cov hlau tsis huv tseem huv huv thoob plaws nws lub neej kev ua haujlwm. Kab kab yog ib qho yooj yim los ntxuav los ntawm cov av, cov kab mob tsis ua rau sab hauv. Cov khoom ua haujlwm tuaj yeem ntsia tau rau saum npoo av nrog rwb thaiv tsev kom cov dej tsis khov thiab rhuav tshem nws. Cov khoom lag luam no tsis muaj qhov tsis zoo, tshwj tsis yog tus nqi siab ntawm cov kav dej rau lub qhov dej nrog dej haus.
Cov kav hlau tsis xeb tau txuas nrog siv fittings, crimping lossis vuam. Txoj kev sib txuas nrov tshaj plaws yog haum. Txoj kev yog yooj yim heev thiab yooj yim rau siv, thiab tsis xav tau cov cuab yeej tshwj xeeb. Kev vuam ntawm cov hlau tsis huv tau ua tiav siv cov cuab yeej siv vuam tshwj xeeb, thiab tsuas yog cov kws tshaj lij tuaj yeem ua tau.
Cov yam ntxwv ntawm cov kav dej haus cov hlau tsis huv tau qhia hauv cov lus:
| Txoj kab uas hla, hli | Lub teeb yeeb nkab | Cov kav dej ntxiv | Ntxiv cov kav dej | |||
|
Thickness qab, mm |
Qhov hnyav, kg |
Thickness qab, mm |
Qhov hnyav, kg |
Thickness qab, mm |
Qhov hnyav, kg | |
| 10, 2 | 1, 8 | 0, 37 | 2, 0 | 0, 4 | 2, 5 | 0, 47 |
| 13, 5 | 2, 0 | 0, 57 | 2, 2 | 0, 61 | 2, 8 | 0, 74 |
| 17, 0 | 2, 0 | 0, 74 | 2, 2 | 0, 8 | 2, 8 | 0, 98 |
| 21, 3 | 2, 5 | 1, 16 | 2, 7 | 1, 25 | 3, 2 | 1, 43 |
| 26, 8 | 2, 5 | 1, 5 | 2, 8 | 1, 66 | 3, 2 | 1, 86 |
| 33, 5 | 2, 5 | 2, 12 | 3, 2 | 2, 39 | 4, 0 | 2, 91 |
Corrugated stainless hlau kav
Cov khoom lag luam tau ua nrog cov kab tav, nyob rau hauv daim ntawv ntawm accordion, phab ntsa. Qhov kev tsim no ua rau txoj kab hloov pauv tau yooj yim thiab tso cai rau koj tig nrawm rau sab yam tsis poob lub zog. Dabtsi yog khoov vojvoog - 30-150 hli, nyob ntawm seb txoj kab uas hla ntawm corrugation. Cov kav dej haus corrugated tuaj yeem khoov tes los ntawm cov ces kaum loj heev uas tsis muaj kev pheej hmoo ntawm kev puas tsuaj.
Txoj kab uas hla ntawm qhov khoov tau yooj yim los txiav txim siab ntawm koj tus kheej: qhov tsawg kawg nkaus yog peb zaug lub vojvoog ntawm cov yeeb nkab. Nrog txoj kab uas hla ntawm 15 hli, lub vojvoog khoov yam tsawg kawg yog 45 hli.
Corrugated stainless hlau cov kav dej haus tau muab rau hauv coils ntawm 50 m. Cov corrugations tau koom ua ke nrog tooj dag fittings, uas yog tsim los ntawm cov tuam txhab tshwj xeeb.
Cov kav dej yog ua los ntawm SUS (AISI) 304 hlau, muaj 18% chromium, 8% npib tsib xee thiab me me ntawm cov carbohydrates.
Cov kav dej corrugated rau cov dej haus ua los ntawm cov hlau tsis huv muaj qhov zoo hauv qab no:
- Tso dej kom hla qhov chaw nyuaj;
- Txhim kho sai;
- Txoj kev khiav muaj qhov pom zoo, nws tuaj yeem tso rau saum npoo, tso nws nyob txhua qhov chaw;
- Tsis xav tau phab ntsa chipping rau kev tso;
- Corrugations tiv taus puas, puas ntsoog, kev co;
- Cov kab mob tsis sib sau ua ke hauv cov dej thiab cov ntsev ntsev tsis tsim.
Cov kab tuaj yeem tiv lub siab ntawm 60 bar, uas yog 4 zaug ntau dua li ib txoj kab uas ua los ntawm cov kav hlau zoo tib yam. Rau kev siv: qhov siab hauv cov txheej txheem dej haus tsis tshaj 7 bar.
Cov neeg siv yuav tsum paub txog cov ntsiab lus tsis muaj zog ntawm cov kav dej haus sib txuas:
- Kev tiv thaiv me me rau kev nyuab siab. Hauv cov cheeb tsam qhib, nws raug nquahu kom npog lub corrugation nrog cov ntaub thaiv npog.
- Yog tias av tau nkag mus rau hauv, nws nyuaj heev rau tshem nws vim muaj ntau txoj kev khoov.
- Qhov tsis zoo ntawm cov khoom yog tus nqi siab ntawm cov kav dej haus.
- Cov khoom lag luam tau txuas nrog los ntawm cov khoom siv uas xav tau kev saib xyuas tshwj xeeb - hloov pauv cov gaskets thiab nruj cov txiv ntoo.
Qhov ntau thiab tsawg ntawm cov kav dej steel hlau tsis huv thiab lawv cov yam ntxwv:
| Nominal loj | 10 | 15 | 20 | 25 |
| Sab hauv taub, hli | 12 | 14, 5 | 20 | 25, 5 |
| Sab nraum txoj kab uas hla, hli | 15 | 17, 5 | 25, 5 | 32 |
| Ua haujlwm siab, kg / cm2 | 25 | 25 | 25 | 25 |
| Yam tsawg kawg dabtsi yog khoov vojvoog, hli | 20 | 30 | 40 | 50 |
| Phab ntsa tuab, hli | 0, 3 | 0, 3 | 0, 3 | 0, 3 |
| Cov thermal conductivity coefficient, Kcal / m teev ° С | 16, 3 | 16, 3 | 16, 3 | 16, 3 |
| Ua haujlwm kub, ° С | -40/+1 | 38 | 38 | |
| Tus naj npawb ntawm cov metres hauv hiav txwv | 50 | 50 | 30 | 30 |
Cov khoom tooj liab
Cov qib tooj liab M1, M2, M3 tau siv rau kev tsim cov kav dej haus. Lawv sib txawv hauv feem pua ntawm lwm cov hlau hauv lawv cov kev sib xyaw, yog li lawv muaj qhov sib txawv sib txawv, qhov hnyav, lub zog, thiab lwm yam.
Qhov kev xaiv zoo tshaj plaws rau cov txheej txheem dej haus yog tooj liab acidified nrog phosphorus, uas txo qis kev pheej hmoo ntawm ntsev tsim hauv cov kab ke. Cov khoom siv tau muab cais ua Cu-DHP. Nws muaj cov yam ntxwv zoo tshaj plaws rau kev thauj cov dej thiab teeb tsa lub hauv paus, uas tau sau tawm hauv GOSTs cuam tshuam: rau kev tsim cov kav tooj liab rau cov kav dej nrog cov yam ntxwv tshwj xeeb; rau kev ua raws li qhov loj me, tshuaj lom neeg muaj pes tsawg leeg, kho saum npoo av, thiab lwm yam.
Nco tseg! Cov kav dej tooj liab rau cov dej haus yuav tsum ua raws li EN1057 cim, qhia tias cov khoom ua tau raws li DIN tus qauv (acidification nrog phosphorus kom ua rau dej tsis kam).
Cov raj tooj liab rau cov dej haus muaj ntau qhov zoo:
- Tooj liab tsis hnov mob nrog tshuaj chlorine, uas feem ntau yog ntxiv rau cov dej haus, tab sis tsim cov yeeb yaj kiab rau ntawm qhov chaw, ua rau lub neej ua haujlwm ntawm txoj kev khiav.
- Lub neej ua haujlwm ntawm cov kav dej yog ntau dua 50 xyoo
- Ua haujlwm kub - -100 + 250 degrees.
- Kev tiv thaiv sab nraud cuam tshuam - kab tooj liab tsis hloov pauv tom qab khov thiab hloov pauv hauv qhov kub sab nraud, tsis ntshai ultraviolet hluav taws xob thiab tshav ntuj, muaj qib qis ntawm kev nthuav dav cua sov, tsis ua rau corrode. Cov kav tooj liab tuaj yeem teeb sab nraum zoov yam tsis muaj kev tiv thaiv ntxiv.
- Cov khoom tsis tso tshuaj lom rau tib neeg.
- Cov kav dej haus tooj liab tau hloov pauv txaus los hloov qhov ntsuas ntawm txoj hauv kev yam tsis muaj fittings.
- Cov khoom muaj cov tshuaj tua kab mob thiab khaws tag nrho cov yam ntxwv ntawm cov dej tsis hloov pauv.
- Cov kav dej tuaj yeem siv rau hauv cov tshuab uas muaj kev kub siab - txog li 200 bar.
- Cov kab muaj lub neej ua haujlwm ntev, thaum tswj hwm nws lub zog qub.
- Cov phab ntsa yog du heev, uas txo cov lej sib txuas. Yog li ntawd, lawv tsis tsim cov tso ntsev thiab oxides uas txo cov kua zoo.
Qhov tsis zoo ntawm cov khoom suav nrog tus nqi siab ntawm cov kav dej tooj liab rau cov dej haus.
Cov kav tooj liab tau brazed thiab threaded siv ferrules. Cov pob qij txha tuaj yeem tshem tawm tau, tab sis cov nplhaib crimp yog pov tseg thiab yuav tsum tau hloov. Thaum txhim kho cov kav dej, nws yog qhov yuav tsum tau ua nruj ua raws cov cai sib dhos: nws tau tso cai txuas cov kav tooj liab nrog cov hlau tsis huv thiab galvanized uas tsuas yog siv cov tooj dag tshwj xeeb.
Qhov ntev ntawm cov kav tooj liab rau cov dej haus tau qhia hauv cov lus:
| Txheej sab nrauv, hli | Phab ntsa tuab, hli | Qhov hnyav 1 m, kg | ||||
| Lub ntsws | Tsis tu ncua | Txhawb zog | Lub ntsws | Tsis tu ncua | Txhawb zog | |
| 10, 2 | 1, 8 | 2, 0 | 2, 5 | 0, 37 | 0, 40 | 0, 47 |
| 13, 5 | 2, 0 | 2, 2 | 2, 8 | 0, 57 | 0, 61 | 0, 74 |
| 17, 0 | 2, 0 | 2, 2 | 2, 8 | 0, 74 | 0, 80 | 0, 98 |
| 21, 3 | 2, 35 | - | - | 1, 10 | - | - |
| 21, 3 | 2, 5 | 2, 8 | 3, 2 | 1, 16 | 1, 28 | 1, 43 |
| 26, 8 | 2, 35 | - | - | 1, 42 | - | - |
| 26, 8 | 2, 5 | 2, 8 | 3, 2 | 1, 50 | 1, 66 | 1, 86 |
| 33, 5 | 2, 8 | 3, 2 | 4, 0 | 2, 12 | 2, 39 | 2, 91 |
Cov yas yas rau cov dej haus
Cov kav dej haus tau tsim los ntawm txhua hom polymers. Lawv sib txawv hauv cov yam ntxwv uas cuam tshuam rau daim ntawv thov.
Cov khoom yas muaj ntau qhov zoo:
- Tsis muaj xeb thiab inertness rau tshuaj hauv av.
- Qhov ntxhib me me ntawm sab hauv sab hauv ntawm cov khoom ua haujlwm tso cai siv lub zog qis rau kev tso kua.
- Lub teeb thiab yoog raws ntawm cov khoom kom ntseeg tau tias txoj kev taug tau muab tso rau hauv qhov chaw txawv txawv.
- Hws tsis tshwm rau ntawm qhov chaw.
- Nws yog qhov yooj yim dua los ntim cov yas yas rau cov dej haus ntau dua li cov hlau, uas ua kom nrawm rau kev teeb tsa ua haujlwm.
- Ntau hom tsiaj tsis ntshai qhov kub thiab txias dej. Tom qab cov kua yaj, cov duab ntawm cov yas rov los rau nws qhov loj me me.
- Polymer blanks feem ntau muag hauv coils, uas txo tus naj npawb ntawm cov pob qij txha. Tsuas muaj 2 pob qij txha ib 1 km.
- Polymers yog tsim los ntawm cov khoom siv zoo ib puag ncig uas tsis ua rau cov dej haus tsis zoo.
- Cov phab ntsa ntawm cov kav dej yog yas, thiab lawv muab lub suab qis tshaj thaum thauj cov kua hauv qhov siab.
Qhov tsis zoo ntawm cov kav dej yas rau cov dej haus yog qhov txwv ntawm cov dej siab hauv cov txheej txheem, uas nyob ntawm qhov kub thiab lub cheeb ntawm cov yeeb nkab.
Cov yam ntxwv luv luv ntawm cov kav dej yas yas tau muab qhia hauv qab no.
- PVC - polyvinyl chloride … Thawj ntawm cov kav dej yas yas. Cov no yog cov hnoos qeev uas nyuaj rau khoov, yog li cov khoom siv xav tau kom tig ceg. Thaum siv nyob rau sab nraum zoov, lawv yuav tsum raug faus, tab sis qhov hloov kho PVC tshiab kawg tsis ntshai daus. Cov khoom siv hauv PVC tsis kim, siv ntau qhov chaw hauv txoj kev loj sab nrauv. Piv txwv li, tus nqi ntawm cov yeeb nkab PVC rau cov qhov dej haus yuav haum rau cov neeg siv nrog cov nyiaj tau los tsawg.
- PP - polypropylene … Cov khoom siv no yog siv los ua ib txheej thiab ntau txheej kav dej rau muab cov dej haus sib txawv. Hauv cov txheej txheem hauv tsev, lub siab tsis siab heev, yog li ntawd ib txheej PP cov khoom lag luam txaus. Cov cuab yeej txhawb nqa tau kim dua. Cov kws tshaj lij pom zoo xaiv cov khoom lag luam nrog fiberglass - xws li txheej tsis cuam tshuam nrog kev koom ua ke ntawm cov haujlwm. Cov txheej txheem dej haus tau sib sau ua ke los ntawm cov khoom ntawm PN10, PPN, PPB, PPR cov chav kawm, uas yog qhov txawv los ntawm lub zog siab thiab ntseeg tau. Hauv chav tsev, qhov kev xaiv zoo tshaj plaws yog cov khoom ua los ntawm PN10 qhov khoob nrog phab ntsa tuab ntawm 2, 8 hli. Txhua qhov kev xaiv yuav kim dua. Cov kav dej haus Polypropylene tau nruj thiab khoov tau ua nrog cov fittings. Lawv tau txuas nrog los ntawm cov laug, uas ua rau muaj cov qauv monolithic.
- PE - polyethylene … Cov kav dej ua los ntawm cov khoom siv no muaj qhov ywj pheej heev, thiab cov ces kaum tsis tas yuav hloov pauv. Cov khoom lag luam rau cov dej haus tau ua los ntawm cov yas polyethylene HDPE ceev ntawm ntau qib uas tuaj yeem tiv taus 20 degrees ntawm te. Txoj kab polyethylene tuaj yeem tso rau saum npoo thiab ua haujlwm txhua xyoo. Lawv mus muag hauv qab daim ntawv lo HDPE thiab LDPE. HDPE yas kav dej rau haus dej tau pleev xim xiav lossis dub, tab sis ib txwm nrog kab txaij xiav. Lawv tau cim nrog qhov taw qhia ntawm txoj kab uas hla ntawm txoj haujlwm, lub tuam txhab tsim khoom, phab ntsa tuab, lub zog, ntev, GOST thiab lwm yam tsis. Qhov HDPE qhov muaj ntau qhov zoo, ua tsaug uas lawv tau nrov nrog cov neeg siv. Lawv tau txuas nrog los ntawm taub qab vuam, uas tso cai rau koj siv lub txheej txheem teeb tsa thiab txo qhov ua yuam kev ntawm tus tswv.
- PEX - cross -linked polyethylene … Ib hom polyethylene nrog lub zog siab. Nws muaj cov yam ntxwv ua tau zoo, yog li ntawd nws yog nrov heev nrog cov neeg siv, txawm tias nws cov nqi siab. Polyethylene kav dej rau haus yog suav tias yog qhov siv tau tshaj plaws rau niaj hnub siv. Cov khoom uas muaj txoj kab uas hla ntawm 32 hli feem ntau yog siv hauv txoj kev loj. Qhov loj me no yog qhov zoo tshaj plaws rau cov dej ntws nrawm thiab muaj zog mus rau hauv tsev. Qhov tsis zoo ntawm cov kav dej polyethylene yog kev puas tsuaj ntawm cov khoom nyob rau hauv kev cuam tshuam ntawm tshav ntuj, yog li txoj hauv kev yuav tsum tau muab faus rau hauv av. Lawv tau txuas nrog los ntawm kev siv tshuaj txhuam. Cov cuab yeej tshwj xeeb ua kom sov qhov kawg ntawm cov khoom ua haujlwm, thiab tom qab ntawd lawv raug nias. Tom qab txias, tau txais ceg monolithic.
- PEX-AL-PEX-hlau-yas … Cov khoom muaj ob txheej yas, ntawm qhov uas muaj txheej txheej txhuas. Ua tsaug rau cov cuab yeej no, cov kav dej rau dej haus khaws cov duab uas tus tswv muab rau nws. Txhawm rau hloov cov kev taw qhia ntawm cov dej ntws, nws txaus los khoov cov khoom.
Tus kav dej haus tus nqi
Cov hauv qab no cuam tshuam tus nqi ntawm cov kav dej haus:
- Cov khoom siv uas lawv tau ua … Cov khoom yas ib txwm pheej yig dua li cov hlau. Ntawm cov polymer, qhov pheej yig tshaj yog PVC thiab PP ntu. Tus nqi ntawm qhov khoob ntawd nyob ntawm cov khoom uas muaj nyob hauv cov khoom. Ntawm cov hlau, kim tshaj plaws yog tooj liab thiab corrugated stainless hlau.
- Kev Ua Haujlwm … Cov khoom siv hlau nrog daim iav nto, uas tau txais ntawm lub tshuab tshwj xeeb uas siv cov tshuaj txhuam thiab txhuam, yog kim. Yog tias koj tab tom yuav yuav cov kav dej rau cov dej haus ntawm tus nqi qis, xyuam xim rau lawv qhov xwm txheej. Tej zaum lawv tau ua nrog qhov tsis xws luag: hnov ntxhiab tsw ntxhiab tau hnov, xim tsis sib xws, cov phab ntsa muaj cov tuab sib txawv, lossis kev suav nrog txawv teb chaws tuaj yeem pom hauv lawv. Cov khoom lag luam zoo li no tsis tuaj yeem siv hauv cov txheej txheem dej haus, tsuas yog kev siv tshuab. Cov khoom lag luam tsis tuaj yeem pheej yig heev.
- Kev nyob deb ntawm cov chaw tsim khoom los ntawm qhov muag … Qhov deb ntawm qhov muag, ntau dua tus nqi thauj mus los rau kev xa cov kav dej haus.
- Khoom ntseeg tau … Kev pab cuam lub neej ntawm cov dej siv nyob ntawm qhov ntsuas no.
Ua ntej koj yuav cov kav dej rau dej haus, koj kuj yuav tsum kwv yees tus nqi ntxiv cuam tshuam nrog kev teeb tsa lub kaw lus. Qee qhov tau txuas nrog siv cov cuab yeej tshwj xeeb uas yuav tsum tau yuav lossis qiv. Cov khoom siv hlau tsis zoo tuaj yeem tsuas yog welded los ntawm tus kws tshaj lij.
Tus nqi ntawm cov raj tooj liab rau dej haus ntawm Sanco hom hauv Ukraine:
| Hom khoom | Tus nqi rau 1 l.m., UAH |
| Cov raj tooj liab 10 * 1 | 110-120 |
| Cov raj tooj liab hauv cov raj 10 * 1 | 117-125 |
| Cov yeeb nkab tooj liab 12 * 1 | 125-133 |
| Tooj liab raj hauv kauj 12 * 1 | 132-138 |
| Cov yeeb nkab tooj liab 15 * 1 | 143-150 |
| Cov raj tooj liab hauv cov raj 15 * 1 | 160-170 |
| Cov yeeb nkab tooj liab 18 * 1 | 192-198 |
| Cov raj tooj liab hauv cov raj 18 * 1 | 203-207 |
Tus nqi ntawm cov raj tooj liab rau cov dej haus ntawm Sanco hom hauv Russia:
| Hom khoom | Nqi rau 1 l.m., rub. |
| Cov raj tooj liab 10 * 1 | 240-280 |
| Cov raj tooj liab hauv cov raj 10 * 1 | 260-283 |
| Cov yeeb nkab tooj liab 12 * 1 | 270-297 |
| Tooj liab raj hauv kauj 12 * 1 | 272-300 |
| Cov yeeb nkab tooj liab 15 * 1 | 285-330 |
| Cov raj tooj liab hauv cov raj 15 * 1 | 297-360 |
| Cov yeeb nkab tooj liab 18 * 1 | 320-390 |
| Cov raj tooj liab hauv cov raj 18 * 1 | 380-410 |
Tus nqi ntawm cov kav dej polypropylene rau dej haus FADO hom hauv Ukraine:
| Hom khoom | Tus nqi rau 1 l.m., UAH |
| FADO PP-RCT PN20 20х3.4 PPS20 | 15-22 |
| FADO PP-RCT / PP-RCT + FB / PP-RCT (iav fiber ntau ntxiv) 20x3.4 (PPF20) | 18-25 |
| FADO PP-RCT PN20 25х4.2 PPS25 | 32-36 |
| FADO PP-RCT / PP-RCT + FB / PP-RCT (iav fiber ntau ntxiv) 25x4.2 (PPF25) | 33-38 |
| FADO PP-RCT / AL / PPR sib xyaw (ntxiv nrog txheej txhuas) 20x3, 4 (PPA20) | 39-44 |
| FADO PP-RCT PN20 32х5.4 PPS32 | 60-64 |
| FADO PP-RCT / AL / PPR sib xyaw (ntxiv nrog txheej txhuas) 25х4, 2 (PPA25) | 63-66 |
| FADO PP-RCT / PP-RCT + FB / PP-RCT (iav fiber ntau ntxiv) 32х5.4 (PPF32) | 67-74 |
| FADO PP-RCT PN20 40x6.7 PPS40 | 88-94 |
| Composite FADO PP-RCT / AL / PPR (txhawb nrog txheej txhuas) 32х5, 4 (PPA32) | 95-98 |
Nqe ntawm FADO polypropylene kav dej rau haus hauv Russia:
| Hom khoom | Nqi rau 1 l.m., rub. |
| FADO PP-RCT PN20 20х3.4 PPS20 | 35-58 |
| FADO PP-RCT / PP-RCT + FB / PP-RCT (iav fiber ntau ntxiv) 20x3.4 (PPF20) | 42-60 |
| FADO PP-RCT PN20 25х4.2 PPS25 | 72-84 |
| FADO PP-RCT / PP-RCT + FB / PP-RCT (iav fiber ntau ntxiv) 25x4.2 (PPF25) | 76-89 |
| FADO PP-RCT / AL / PPR sib xyaw (ntxiv nrog txheej txhuas) 20x3, 4 (PPA20) | 82-98 |
| FADO PP-RCT PN20 32х5.4 PPS32 | 136-147 |
| FADO PP-RCT / AL / PPR sib xyaw (ntxiv nrog txheej txhuas) 25х4, 2 (PPA25) | 145-155 |
| FADO PP-RCT / PP-RCT + FB / PP-RCT (iav fiber ntau ntxiv) 32х5.4 (PPF32) | 159-163 |
| FADO PP-RCT PN20 40x6.7 PPS40 | 187-210 |
| Composite FADO PP-RCT / AL / PPR (txhawb nrog txheej txhuas) 32х5, 4 (PPA32) | 215-243 |
Tus nqi ntawm VSPlast polyethylene kav dej rau haus hauv Ukraine:
| Hom khoom | Nqe rau 1 lm, UAH | Bay price, UAH |
| VSPlast PE yeeb nkab 20x1.8 hli PN 10 | 6, 5-7, 5 | 1075-1125 |
| VSPlast PE yeeb nkab 25x1.8 hli PN 6 | 6, 5-7, 5 | 1075-1125 |
| VSPlast PE yeeb nkab 20x1.8 hli PN 6 | 6, 5-7, 5 | 1075-1125 |
| VSPlast PE yeeb nkab 20x1.8 hli PN 12.5 | 6, 5-7, 5 | 1250-135 |
| VSPlast Yeeb Nkab PE 25x2.0 mm PN 6 | 7, 5-8, 5 | 1200-1300 |
| VSPlast Yeeb Nkab PE 25x2.0 mm PN 10 | 8, 5-9, 0 | 1350-1450 |
| VSPlast PE yeeb nkab 32x2.0 hli PN 6 | 9, 0-9, 5 | 1400-1450 |
| VSPlast PE yeeb nkab 32x2.0 hli PN 8 | 10-12 | 1700-1800 |
Nqe VSPlast polyethylene kav dej rau haus hauv Russia:
| Hom khoom | Nqi rau 1 lm, rub. | Bay nqi, rub. |
| VSPlast PE yeeb nkab 20x1.8 hli PN 10 | 15-17 | 2200-2420 |
| VSPlast PE yeeb nkab 25x1.8 hli PN 6 | 26-10 | 2200-2560 |
| VSPlast PE yeeb nkab 20x1.8 hli PN 6 | 26-10 | 2200-2560 |
| VSPlast PE yeeb nkab 20x1.8 hli PN 12.5 | 26-10 | 2200-2560 |
| VSPlast Yeeb Nkab PE 25x2.0 mm PN 6 | 16-19 | 3400-4100 |
| VSPlast Yeeb Nkab PE 25x2.0 mm PN 10 | 19-33 | 3430-4150 |
| VSPlast PE yeeb nkab 32x2.0 hli PN 6 | 21-24 | 3100-3300 |
| VSPlast PE yeeb nkab 32x2.0 hli PN 8 | 23-27 | 4110-4300 |
Tus nqi ntawm cov hlau-yas kav dej rau haus hauv Ukraine:
| Hom khoom | Nqe rau 1 lm hrn ua. |
| Hlau-yas yeeb nkab Henco 16 * 2 | 12-15 |
| Hlau-yas yeeb nkab APE PEXB-AL-PEXB 16 (2.0) | 18-20 |
| Hlau-yas yeeb nkab Henco 20 * 2 | 21-24 |
| Hlau-polymer yeeb nkab Herz PE-RT / AI / PE-HD 16 * 2 | 18-22 |
| Hlau-yas yeeb nkab Pexxal 20 * 2 | 17-19 |
| Hlau -yas yeeb nkab ICMA Pert -AL -Pert 16 * 2 | 26-29 |
| Hlau-yas yeeb nkab BetaSKIN Comap S. A. (PERT-Al-PE) 16 * 2 | 22-25 |
Nqe ntawm cov kav dej yas ntxiv rau dej haus hauv Russia:
| Hom khoom | Nqe rau 1 lm rub. |
| Hlau-yas yeeb nkab Henco 16 * 2 | 31-38 |
| Hlau-yas yeeb nkab APE PEXB-AL-PEXB 16 (2.0) | 40-59 |
| Hlau-yas yeeb nkab Henco 20 * 2 | 58-67 |
| Hlau-polymer yeeb nkab Herz PE-RT / AI / PE-HD 16 * 2 | 43-53 |
| Hlau-yas yeeb nkab Pexxal 20 * 2 | 41-45 |
| Hlau -yas yeeb nkab ICMA Pert -AL -Pert 16 * 2 | 62-76 |
| Hlau-yas yeeb nkab BetaSKIN Comap S. A. (PERT-Al-PE) 16 * 2 | 54-67 |
Cov kav dej dab tsi los yuav cov dej haus - saib cov vis dis aus:
Hauv cov khw muag khoom, muaj cov kav dej loj xaiv rau cov dej haus uas muaj cov yam ntxwv zoo hauv phau ntawv hla tebchaws - kev ua haujlwm ntev, lub zog siab, tus nqi qis, tab sis nws tsis tuaj yeem yuav cov khoom lag luam zoo. Txhawm rau kom cov dej ntws mus rau cov kais dej kom huv, thiab txoj kev taug tsis xav tau kev kho lub sijhawm ntev, ua tib zoo saib xyuas txhua tus yam ntxwv thiab cov qauv zoo tam sim no rau cov kav dej no.
