Unokukhetha njani abaprayisi begadi? Kwizitolo kukho ukhetho olukhulu lwabafaki. Ngaphambi kokukhetha imodeli ethile, umntu kufuneka aqonde umgaqo jikelele wokusebenza kwabaprayisi.
Abaprayisi abaxhasi kwaye banamandla. Iitanki ezinamandla zixhotywe ngendawo ekhethekileyo, kwaye akukho nxu lumene, ngokulandelanayo, akukho. Kule meko, iikhemikhali zihlanjululwa kuyo nayiphi na ibhodwe. Emva koko unciphisa i-hose uze uqale ukusihlamba isisombululo. Kungcono ukhethe imodeli ye-capacitive, ekubeni ungenakushintsha enye into awukwazi ukuyilungisa intloko kunye ne-jet, ngoko ke isisombululo sisetyenziswe.
Uninzi lwabaprayipi luba ne-pneumatic (pump). Umsebenzi wabo ulandela umgaqo olandelayo: okokuqala, intamo iminyaniswe, kwaye i-sprayer iqhutywe ngumoya ngepompe ekhethekileyo, kwaye ke iikhemikhali zifuthi. Abafaki bolu hlobo bavame ukuba nomthamo we-12 ilitha. Ifowuni inokufakwa kwifayili, ifakwe ngokukhawuleza kwibhande.
Kukho kwakhona iiprayipi zezixhobo, ivolumu yabo encinci (1-7 lititha). Ukuphalaza kubo, kufuneka uhlale ucinezela isandla kwi-lever, kunye neekhemikhali zichithwa okanye ngokucinezela okanye ukukhulula i-lever. Ezi sprayers zikulungele ukusetyenziswa xa zijongene neentyantyambo kunye nezityalo ezahlukeneyo zangaphakathi. Ngokuqinisekileyo le mizekelo yiyona eyona nto ibalulekileyo.
Abafaki be-Knapsack - kwiimodeli ezinjalo ivolumu ingaba ngama-20 ilitha. Bafumana igama elinjalo, tk. bawagqoke emva. Ezi zi-sprayers ze-hydraulic. Ngokuqhelekileyo banesibambiso kwicala, ngohlobo apho ipompo iqhutywe khona kwaye iphantsi, utyinzelelo luyadalwa, ngoko ke, i-liquid ishicilelwe kwaye ifakwe. Esi sicwangciso sinokulungiswa kwizandla zombini phantse bonke abaprayisi. Olu hlobo lwesiprojekti lusetyenziswe ikakhulukazi kwiidiya ezinkulu. Ezi ndlela zenzelwa ukuthobela i-pesticides, ngokuthe ngqo.
Kukho imizekelo yeeprayipi eneemoto zombane kunye namandla avela kwiibhetri okanye kwiibhetri. Kwiseti epheleleyo ngokukodwa ishaja isetyenziswe. Kwiimodeli ezinjalo, uxinzelelo lwenziwa ngokucinezela iqhosha. Abaphamli abanjalo bakulungele ukusetyenziswa, abayidinga umzamo omkhulu, owona mhle kakhulu kubafazi, kodwa iindleko zabo, ngokuqinisekileyo, ngumyalelo wobukhulu obuphezulu kunezo zifana ne-drive drive.
Kukho iiproyrayithi zemoto. Uxinzelelo luyilwe nge injini eqhubayo, uze ucofe isisombululo ngokulula nangokulula. Kwiiprayipi ezinjalo, iikhemikhali zifakwe ngaphantsi komxinzelelo ophezulu, kodwa zilawulwa. Ngokuncediswa kwimizekelo enjalo kunokwenzeka ukuba iqhube nemithi emide. Ngaloo nto ifanelekile ukuba isebenze ixesha elide kwaye kunokwenzeka ukuqhuba inani elikhulu lokulima. Ukuthatha inxaxheba komntu kuncinci, kuba Umsebenzi uqhutyelwa ngumqhubi osebenza kumbane wamanzi. Ukuba ubeka inzwa yokhuseleko kwiinqwelo ezixhomekeke kwi-motor block okanye ngetraktara encinane, ngoko inkqubo inokusetyenziswa. Uya kuqhuba ujikeleze umyezo, ubeke nje ukuzalisa isisombululo kunye nefuthe.
Ukukhethwa kwesiprojekti kuxhomekeke kubukhulu bommandla oza kutsalwa. Ukuze ube nomyezo omkhulu uzakufuna i-sprayer engabamba i-10 liters yesisombululo. Ukuba unemihlathi emibini, kuya kuba neyanele i-2 litre sprayer.
Abaprayisi bamanani amancinci (ukuya kwi-2 ilitha) bayakwazi ukuqhuba ngesandla. Ngokuqhelekileyo zisetyenziselwa ukucwangcisa izityalo zangaphakathi kunye nebhokisi, izityalo, izityalo kwiindawo zokugcina izityalo kunye negadi zasebusika. Iimodeli eziphathekayo ezinomlinganiselo weelitha ezi-3 zifanelekile kwiindawo ezinendawo engama 300 square metres. iimitha, kunye nokucwangcisa imibhede yemifuno, izihlahla, iintlanzi zeentyatyambo, njl njl. Abaprayisi abanomlinganiselo weelitha ezingama-5 bangasetyenziselwa kwiindawo ukuya kwi-500 metres square, kunye nokucwangciswa kwemithi ephantsi, imibhede ende yeentyatyambo, iintambo kunye nezihlahla. Kwaye amanqaku amaninzi (ukusuka ku-8 ilitha) aya kuhambelana nesayithi yendawo enkulu. Ukuba kunzima ukuba ufumane umthamo ochanekileyo we sprayer, ngoko kufuneka ukhethe i-sprayer yevolumu encinci. Emva koko awuyi kuphazamiseka emsebenzini ukuze ugcwalise itanki ngezilwanyana ezibulala izibulalaza.
Xa uqikelele umthamo we-sprayer, cinga ukusetyenziswa kwesisombululo. Omnye umthi omdala uza kufuna ukuya kwi-10 ilitha yeekhemikhali, ngomthi omncinane-ukuya kwi-2 ilitha. Kuba unyango lwezitshalo luya kufuneka kwihlathi ngalinye ukuya kwi-1 litre yesisombululo. Ukucwangcisa imifuno kwindawo evaliwe kuyo yonke imitha engama-10, kufuneka ufike kwi-2 ilitha yamanzi, kwindawo evulekileyo-ukuya kweyure.
Ukongeza kwendawo yomyezo, kuyafuneka kwakhona ukuba uqwalasele indawo yokuma kwesiza kunye nexesha apho uya kulufakela khona. Ukuba indawo yakho ineemithi emininzi, kungcono ukhethe i-sprayer ye-motor, nge-motor motor okanye nge-motor pump. Yaye ukuba unesihlahla esiphezulu, kuya kuba neleyo ukusetyenziswa kwesicatshulwa somsebenzi.
Xa uthenga isipraza, qwa lasela iiparitha ezifana nokuthembeka kwamalungu, ubude bebamba, i-valve yokukhusela. Ukongeza, ikiti kufuneka ifake i-fasteners, i-bumps bpare kunye nemiyalelo. Kufuneka kwakhona ukubuza umthengisi malunga nokulungiswa kunye newaranti ukufumana ukuba kuya kuba lula ukuthenga iinxalenye ezintsha xa kwenzeka ukuphuka.
Ewe, ukhetho lwesiproyra lusekelwe kwimeko yemali. Ixabiso leemodeli ezahlukileyo lixhomekeke kwitshati yomenzi, amandla, umthamo, ukusebenza. Abaprayisi abahlambulukileyo baphambanisa ngesandla. Imoto ebiza kakhulu, eneemoto zombane, i-knapsack, ipompo, ngokukodwa xa iyenzileyo ngaphandle. Kubalulekile ukuthetha ngokuthenga ngokufanelekileyo, ngokulinganisa yonke into ngokukhetha umlinganiselo ophezulu wexabiso lomgangatho, kodwa khumbula ukuba inani elincinci kakhulu lingahambi kakuhle.
Khumbula ukhuseleko! Kubalulekile ukuba ube nezixhobo zokukhusela ukusebenza kunye neentrafizidi: umphefumli, iiglavu, i-headdress. Ngaphambi komva nangemva komsebenzi, kufuneka uhlambe ngokucokisekileyo idivayisi kunye nabafundi bayo, ngelixa bewela amanzi ngamacuphu kunye nemigodi.
Ngoku ngoku ngexesha elifanelekileyo kwivenkile, kuba uyazi ukuba ukhetha njani abafaki bensiya abafanelekileyo.