Vermiculite
Cov lus qhia tseeb ntawm cov npliag: 0.15-0.5mm, 0.5-1mm, 1-3mm, 2-4mm, 3-6mm, 4-8mm, 8-16mm.
Lub cev thiab tshuaj ntawm cov tshuaj Vermiculite
Vim tias txawv qib ntawm kev sib txawv thiab oxidation, tshuaj lom neeg cov tshuaj lom ntawm cov khoom ntim tsis sib xws. Tus qauv tshuaj lom neeg ntawm vermiculite yog: Mg x (H2O) (Mg3 - x) (ALSiO3O10) (OH2)
Tshuaj lom neeg muaj pes tsawg leeg |
SiO2 |
MgO |
AI2O3 |
Fe2O3 |
FeO |
K2O |
H2O |
CaO |
PH |
Cov Ntsiab Lus (%) |
37-42 |
11-23 |
9-17 |
3,5-18 |
1-3 |
5-8 |
7-18 |
1-2 |
8-11 |
Daim ntawv thov ntawm Vermiculite
Hauv kev ua liaj ua teb, vermiculite tuaj yeem siv cov av txias, vim nws cov cation pauv thiab nqus, txhim kho av qauv, dej cia thiab av noo, tsim cov av permeability thiab dej cov ntsiab lus, ua kom cov av acid hloov mus rau hauv nruab nrab av; vermiculite tseem tuaj yeem ua lub luag haujlwm tsis zoo, hinering hloov pauv sai ntawm PH tus nqi, ua rau cov chiv tso tawm qeeb hauv kev cog qoob loo nruab nrab, thiab tso cai rau kev siv me ntsis ntawm kev siv chiv rau tsob ntoo tab sis tsis muaj teeb meem. Vermiculite tseem tuaj yeem muab rau cov qoob loo nws tus kheej muaj cov K, Mg, Ca, Fe, thiab cov nyiaj ntawm cov ntsiab lus ntawm Cu, Zu. Raws li kev nqus, cation txauv thiab tshuaj lom neeg muaj pes tsawg leeg cov yam ntxwv ntawm vermiculite, yog li nws ua si chiv kev tu, dej tuav, dej cia, permeability thiab ntxhia chiv, thiab lwm yam ntau lub luag haujlwm. Cov kev ntsuas pom: tso 0.5-1% nthuav dav vermiculite sib xyaw rau hauv fertilize, ua kom cov qoob loo yauv los ntawm 15-20%.
Hauv kev cog vaj, vermiculite tuaj yeem siv rau cov paj, zaub, txiv hmab txiv ntoo cog qoob loo, yug me nyuam thiab lwm yam, ntxiv rau cov av av thiab cov neeg tswj hwm, tab sis kuj siv rau cov kab lis kev cai. Raws li yuav tsum yog khoom noj khoom haus nyom-keeb kwm rau cog potted ntoo thiab coj mus muag seedbed, nws yog qhov zoo dua ntawm kev hloov thiab thauj cov nroj tsuag. Vermiculite tuaj yeem txhawb nqa cov hauv paus hniav cog kev loj hlob thiab cov noob kev loj hlob, tuaj yeem muab dej thiab khoom noj khoom haus ntawm cov nroj tsuag zuj zus mus ntev, thiab ua kom cov hauv paus cag txias tuaj. Vermiculite tuaj yeem ua rau cov nroj tsuag muaj dej txaus thiab ntxhia pob zeb nyob rau theem pib, txhawb cov nroj tsuag kom nrawm dua, thiab nce ntau lawm.
Nthuav cov vermiculite, nteg rau saum ru tsev, yuav ua si lub ntog zoo zoo ntawm cov cua sov, ua kom lub tsev sov nyob rau lub caij ntuj no thiab txias txias rau lub caij ntuj sov. Siv cov vermiculite cib mus rau hauv cov phab ntsa muab faib tawm ntawm qhov nce siab lossis siv cov vermiculite block raws li cov khoom faib rau hauv tsev so lossis chaw lom ze, cuam tshuam los ntawm lub suab nqus, pov thawj hluav taws, kev tiv thaiv kub thiab lwm yam yuav ua rau pom zoo thiab lub tsev tseem yuav txo nws txoj kev thauj Cov.
Cov huab cua me me ua cov ntaub ntawv tom qab qhov sib xyaw ntawm qhov chaw nres nkoj kom nthuav dav, ua kom cov vermiculite nthuav dav ua cov khoom ntxig suab rwb thaiv tsev. Thaum qhov zaus yog 2000C / S, lub suab--raug tus nqi ntawm 5 hli tuab vermiculite yog 63%, 6mm 84% thiab 8mm 90%.
Vermiculite yog qhov zoo heev rau qhov tiv taus huab cua vim nws lub peev xwm thiab lub zog tseem zoo ib yam txawm tias tom qab nws mus txog 40 zaug ntawm kev sim khov-thaw phaum raws-20 ℃. Nws muaj qhov ntxeem tau thiab muaj cov khoom haum. Nws tuaj yeem ua kom kub thiab tiv thaiv kom txhob hws tawm. Dhau li, nws tuaj yeem nqus tau cov duab hluav taws xob hluav taws xob, yog li cov kab ntsig vermiculite tuaj yeem muab tso rau sab hauv chav kuaj los hloov cov laug cam uas kim kom nqus tau txog li 90% ntawm cov duab tawg. 65mm tuab vermiculite yog sib npaug rau 1mm tuab txhuas pawg thawj coj saib.
Kev nthuav tawm vermiculite hmoov tau ua los ntawm vermiculite ore, calcined ntawm qhov kub, ntsuas, zom. Cov ntsiab lus tseem ceeb: 3-8mm, 1-3mm, 10-20mesh, 20-40mesh, 40-60mesh, 60mesh, 200mesh, 325mesh, 1250mesh. Ua ntawv thov: cov cuab yeej rwb thaiv tsev vaj tsev, khoom siv tub yees hauv tsev, tsheb muffler, suab rwb thaiv tsev lub laster, nyab xeeb thiab cellar lined yeeb nkab, boiler khaws cov khaub ncaws thermal, hlau cov tog zaum, cov hluav taws kub rwb thaiv tsev MAAs, cov cuab yeej siv rwb thaiv tsev, khoom siv dav hlau rwb thaiv tsev, khoom siv cia rwb thaiv tsev txias, tsheb npav cov khoom siv rwb thaiv tsev, cov phab ntsa dej txias yees, cov ntawv annealing, hluav taws tua hluav taws, lim dej, txias cia, linoleum, cov vov ntoo, pob kws, dielectric rooj vag board, phab ntsa ntawv luam ntawv, sab nraum zoov tshaj tawm, pleev xim, nce qhov viscosity ntawm cov xim, duab hluav taws kub muag hluav taws. daim npav hluav taws kub ntawv, xim kub thiab tooj daj xim, pleev xim rau cov tshuaj ntxiv sab nraud.