Tsis ntev los no, qhov cub hauv tsev thiab qhov cub tau rov qab ua qauv. Cov txheej txheem ntawm lawv cov creation yog heev nyuaj, yog li ntawd, nws yuav tsum tau nqa tawm los ntawm tej qhov cub-makers. Txhawm rau tsim lub cub tawg, koj yuav tsum tau yuav ntau yam khoom tshwj xeeb. Lub grate yog ib qho tseem ceeb tshaj plaws. Nws yog tsim los xyuas kom meej ib tug uniform, tas li muab cua rau cov roj thiab lub sij hawm tshem tawm ntawm slag thiab tshauv. Kev lag luam niaj hnub tsim khoom thiab prefabricated gratings. Cov tom kawg tau sib sau los ntawm ob peb lub grate.
Nyob ntawm cov roj siv thiab qhov tsim ntawm lub cub tawg, qhov sib txawv yog siv. Grate grate muab faib ua movable thiab tsau. Cov tom kawg tau muab faib ua cov subspecies: pob tawb pobzeb; vuas tiaj; beam grate. Cov grate ruaj khov yog tsim los ntawm kab teeb thiab cov nplais tiaj tus grate. Movable muaj traction, axis thiab lattice. Cov khoom zoo li no yog tsim nrog ntsug (vibrating) thiab kab rov tav axis ntawm kev sib hloov (oscillating thiab tag nrho kev sib hloov).
Nyob rau hauv tus txheej txheem ntawm ntxuav lawv los ntawm slag thiab tshauvgratings tuaj yeem tig los ntawm ib tus pas nrig ncig lub axis. Lub viav vias grate tuaj yeem txav mus los ntawm nws txoj kab rov tav los ntawm 30 °. Ua viav vias ib ntus, xws li grate zoo kawg nkaus loosen lub slag, yog li cov khoom tsis-combustible sai sai poob los ntawm cov roj seem mus rau hauv lub lauj kaub tshauv. Cov khoom no ua rau nws yooj yim dua los ntxuav lub qhov cub thiab txhim kho cov txheej txheem combustion.
Tsiv grate yog siv, raws li txoj cai, hauv qhov cub tawg tas li. Lawv muaj 2 qhov sib txuas ntawm cov phaj gratings uas muaj peev xwm tig ib ncig ntawm txoj kab ntsug los ntawm 180 °.
Nyob rau hauv fireboxes, grates yog nteg kawg-rau-kawg ntawm recesses hewn nyob rau hauv cib los yog tag nrho cov cib. Cov ntsiab lus ntawm lub cub tawg no yog tsim los ntawm cov hlau cam khwb cia zoo, uas me ntsis oxidizes ntawm qhov kub thiab txias thiab nyob rau hauv lub zog ntawm oxygen. Lub grate rau lub cub tawg yog ua nyob rau hauv ib tug conical los yog wedge zoo, raws li nws yooj yim rau poob los ntawm lub qhov nruab nrab ntawm cov hlau slag thiab tshauv.
Tus nqi ntawm huab cua dhau los ntawm lub grate rau hauv lub firebox nyob ntawm nws seem "nyob". Los ntawm lub tswv yim no txhais tau hais tias qhov piv ntawm qhov sib npaug ntawm thaj chaw ntawm qhov khoob mus rau tag nrho cheeb tsam ntawm cov lattice. Nws yog qhia raws li feem pua. Cov duab ntawm cov grate, lawv cov ntu ntu thiab tuab ncaj qha nyob ntawm seb hom roj siv thiab qhov loj ntawm nws cov feem.
Coarse grain fuels xws li peat lossis thee hlawv zoo tshaj plaws ntawm cov nqaj grate,uas yog tsim nyob rau hauv daim ntawv ntawm ib tug lattice nrog ib tug ntoo khaub lig seem ntawm 20-40% (txog rau nws tag nrho cov cheeb tsam). Thaum hlawv ntau cov hmoov tshauv thiab cov roj me me nrog kev tso tawm me me ntawm cov khoom tsis haum, cov nplais grate nrog ntu ntu ntawm 10-15% yog siv. Nws qhov ntev sab nrauv txiav txim siab tag nrho cheeb tsam.
Lub grate yog nteg kom nws qhov khoob (qhov) nyob rau hauv lub firebox, nyob rau hauv kev taw qhia ntawm lub qhov rooj mus rau lub rear phab ntsa. Tsis tas li ntawd, sab nqaim ntawm nws cov slits yuav tsum tau coj mus rau saum.
