Zulu
Ishubhu ye-drip ingaba ububanzi ukusuka ku-¼ intshi ukuya ku-1.5 amayintshi noma ngaphezulu ngezitayela ezihlukahlukene futhi ihlale imnyama. Ingathengwa ngemiqulu engu-100-, 500-, noma 1000-foot. Amadayamitha amashubhu aconsayo avamile ahlanganisa u-3/8-intshi (usayizi ongu-10 mm noma “380”), usayizi ongu-1/2-intshi (13 mm noma “500”), usayizi ongu-5/8-intshi (u-16 mm ngaphandle noma usayizi “600”) , kanye no-5/8-intshi (16 mm ngaphakathi noma usayizi “630”). Amashubhu angu-5/8-intshi (osayizi “600” kanye “no-630”) athandwa kakhulu. Ngenxa yokuthi yenziwe ukuthi imelane nokukhanya kwelanga, i-drip tubing ingahlala iminyaka engu-30+ elangeni.
Imininingwane Yomkhiqizo
IMINININGWANE YOMKHIQIZO
Kukhona zonke izinhlobo zokufakwa okungaxhunywa ku-drip tubing, kodwa ubukhulu bokufaka kufanele buhambisane neshubhu. Kukhona o-“T”, izindololwane, nama-adaptha ukuze kuxhunywe emicu yethumbu yengadi yesilisa noma yowesifazane ukubala okumbalwa. Ukuphela okuvulekile kweshubhu kufanele kuxhunywe nge-clamp ye-figure 8.
Ama-driplines kumaroli ezinyawo angu-1000+ enziwe ngosayizi "600" we-drip tubing enezithutha ezifakwe ngaphambili njalo ngamayintshi angu-12, 18, noma angu-24 angathengwa. Ama-emitters ahlukaniswe ngokulinganayo, ngakho-ke ayindlela enhle uma uhlela ukuchelela umbhede ngegridi engu-2x2 yama-emitters noma engadini yezithelo noma endaweni enezitshalo ezihlukene ngokulinganayo. Kodwa-ke, uma izitshalo ezizoniselwa nge-drip tubing kanye ne-emitters zingahlukani ngokulinganayo, kungcono-ke ukuthenga amashubhu okudonsa kanye nama-emitters ukuze ukwazi isikhala esingcono sokuthuthwa ukuze uhambisane nephethini yakho yokutshala.
Ama-Microsprinklers futhi ama-microprayers izifafazi zepulasitiki ezincane nezifutho ezivame ukugxunyekwa phezu kohlobo oluthile lwesigxobo sepulasitiki. Axhunywe ekugcineni kobude beshubhu ye-spaghetti exhunywe ku-drip tube ngakolunye uhlangothi. Lawa ama-hybrids of drip irrigation kanye nobuchwepheshe bokuchelela ngenkasa, okuwenza asebenze kahle kakhulu kunama-sprinklers kodwa angasebenzi kahle kunemishini ye-drip emitters.
Ama-Microsprinklers ingaba namazinga okugeleza angama-5-60 amalitha ngehora, kwesinye isikhathi ngaphezulu. Zisetshenziswa kakhulu ezindlini zokugcina izithombo nasemasimini ezithelo. Awusizo futhi ezindaweni ezinomhlaba omahhadlahhadla, oyisihlabathi. Ama-drip emitter awalungile ezindaweni ezinjalo ngenxa yokuthi inhlabathi idonsa kahle kangangokuthi amanzi aphuma ku-emitter ageleza abheke phezulu futhi kuncane kakhulu ukunyakaza kwamanzi asemaceleni kude nomshini. Lokhu kunciphisa ukutholakala endaweni yezimpande. Ngenxa yokuthi ama-microsprinklers afafaza amanzi endaweni enkulu kakhulu, asebenza kahle kakhulu ekuniseleni indawo yezimpande ezinkulu kakhulu. Ama-Microsprinklers asetshenziswa kakhulu emasimini e-citrus, lapho inhlabathi inesihlabathi.
Ezindaweni lapho inhlabathi inhlabathi evundile kakhulu noma inobumba, ukugeleza kwamanzi okuqondile kuhamba kancane futhi ukunyakaza kwamanzi asemaceleni asuka ku-drip emitter kuvame ukuba yizinyawo ezi-2 noma ngaphezulu (ngokungafani nama-intshi angu-4-6 enhlabathini enesihlabathi). Ezindaweni ezinenhlabathi evundile noma yobumba, i-drip emitter iyasebenza kakhulu futhi ama-microsprinklers awavamile ukusetshenziswa.
Imikhiqizo Ehlobene
Ngo-1985, i-Datong Locomotive Works yabona ukuthi izitimela zikagesi zaziyisiqondiso esibalulekile sokuthuthukiswa kwesitimela sesitimela saseChina kanye nemboni yamasheya esikhathini esizayo, futhi yabeka phambili umbono wokukhiqiza we-"Nanzhu (Zhuzhou Electric Locomotive Works) kanye ne-Datong Locomotive Works".
Isitimela sikagesi sohlobo 3 lwe-Shaoshan siyisizukulwane sesibili sezwe lami esithwala abantu abangu-6 kanye nesitimela sempahla. I-locomotive isebenzisa ukulungiswa kwegagasi eligcwele kohlobo lwebhuloho futhi ibona ukulawulwa kwe-voltage ebushelelezi elawulwa yisigaba se-thyristor. Isitimela sithatha isigaba esisodwa se-AC 25kV 50Hz voltage system futhi sinesivinini sokusebenza esiphezulu esingu-100km/h.
I-SS3B fixed heavy-duty electric locomotive iyisitimela esithwala impahla esingu-12-axle. Iqukethe izitimela ezimbili ezifanayo ezinama-axle angu-6 axhunywe i-coupler kanye ne-windshield. Lezi zingxenye ezimbili zifakwe izixhumi zesistimu kagesi ezinamandla kagesi, izintambo zokulawula, nokuvikela inethiwekhi. Amapayipi okulawula ulayini nomoya. Imoto yonke ingalawulwa ngendlela efanayo kunoma iyiphi i-cab. Isitimela sithatha i-single- phase power frequency system, i-voltage engu-25kV, i-AC-DC transmission, kanti isivinini esikhulu sokusebenza sesitimela singu-100km/h.
Isitimela sikagesi esithuthukisiwe i-Shaoshan 4 iyisitimela esithwala impahla esingu-8-axle. Isitimela siqukethe izitimela ezimbili ezifanayo ezinama-axle amane axhunywe i-coupler kanye ne-windshield. Lezi zindawo zokusebenzela ezimbili zifakwe izixhumi ezinamandla kagesi aphezulu, izintambo zokulawula ukuxhuma kabusha kanye namapayipi okulawula amabhuleki emoyeni. Imoto yonke ingalawulwa ngokuhambisanayo ukusuka kukhabhu yomshayeli yanoma iyiphi enye yezimoto. Izitimela ezimbili nazo zingahlukaniswa futhi zisetshenziswe ngokuzimela njengesitimela esinama-axle amane.