Sawdust: Sawdust Ntau Hauv Cov Hnab, Thermal Conductivity Thiab Ntom. Nws Yog Dab Tsi? Siv Ntoo Thuv Thiab Lwm Yam Ntoo Sawdust, Qhov Hnyav

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Video: Sawdust: Sawdust Ntau Hauv Cov Hnab, Thermal Conductivity Thiab Ntom. Nws Yog Dab Tsi? Siv Ntoo Thuv Thiab Lwm Yam Ntoo Sawdust, Qhov Hnyav

Video: Sawdust: Sawdust Ntau Hauv Cov Hnab, Thermal Conductivity Thiab Ntom. Nws Yog Dab Tsi? Siv Ntoo Thuv Thiab Lwm Yam Ntoo Sawdust, Qhov Hnyav
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Sawdust: Sawdust Ntau Hauv Cov Hnab, Thermal Conductivity Thiab Ntom. Nws Yog Dab Tsi? Siv Ntoo Thuv Thiab Lwm Yam Ntoo Sawdust, Qhov Hnyav
Sawdust: Sawdust Ntau Hauv Cov Hnab, Thermal Conductivity Thiab Ntom. Nws Yog Dab Tsi? Siv Ntoo Thuv Thiab Lwm Yam Ntoo Sawdust, Qhov Hnyav
Anonim

Ntoo yog ib yam ntawm cov khoom siv raw uas nrov tshaj plaws. Qhov tseem ceeb yog ob qho khoom siv ntoo (piv txwv li ntoo) thiab cov khoom siv raw uas tau tsim thaum ua cov ntoo. Yog li, piv txwv li, ib qho ntawm cov ntaub ntawv xav tau yog sawdust.

Ntoo sawdust yog cov khoom siv uas pom nws daim ntawv thov hauv ntau yam haujlwm ntawm tib neeg kev ua. Hnub no hauv peb tsab xov xwm peb yuav saib cov yam ntxwv tseem ceeb thiab hom uas twb muaj lawm ntawm sawdust siv.

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Nws yog dab tsi?

Ua ntej koj yuav tsum txiav txim siab seb cov ntoo sawdust yog dab tsi. Qhov tseeb, cov no yog cov chips me me uas tau tsim los ntawm kev pom ntoo.

Cov yam ntxwv sib txawv ntawm cov khoom siv suav nrog tus nqi qis, feem, muaj nyob rau txhua tus neeg (tsis hais txog kev lag luam thiab xwm txheej ntawm ib tus neeg hauv zej zog).

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Yog tias peb txiav txim siab ntxaws ntxaws ntawm cov ntoo qhuav qhuav, tom qab ntawd lawv qhov hnyav yuav tsum tau sau tseg . Cov ntsuas ntsuas ntom ntom yog nyob ntawm qib 220-580 kg ib cubic meter (qhov ntsuas no tuaj yeem sib txawv nyob ntawm seb cov av noo ntawm cov khoom siv raw). Thiab cov coefficient ntawm thermal conductivity yog 0.06 W / (m2 ib ° C). Qhov loj ntawm sawdust feem ntau tsis tshaj 5 hli.

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Cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov ntoo sawdust tsim nyog tau txais kev saib xyuas tshwj xeeb, feem ntau cov khoom muaj cov hauv qab no:

  • lingin;
  • cellulose;
  • hemicellulose;
  • nitrogen;
  • hydrogen;
  • cov pa;
  • cov pa roj carbon.

Feem ntau hais lus, txhua yam khoom thiab tus yam ntxwv uas yuav tsum muaj nyob hauv cov ntoo sawdust tau piav qhia ntxaws hauv tsab ntawv GOST 23246-78.

Nco ntsoov nyeem daim ntawv no ua ntej yuav khoom thiab siv cov khoom.

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Nws yuav tsum tau hais tias cov yam ntxwv ntawm cov khoom siv raw suav nrog cov khoom loj thiab cov yam ntxwv, uas yuav tsum tau ua tib zoo nyeem. Ua tsaug rau txoj hauv kev lav phib xaub no, koj yuav tsis khuv xim koj qhov kev yuav khoom tom qab.

Tseem ceeb. Ib qho tshwj xeeb ntawm cov khoom siv hauv tsev no yog nws tus phooj ywg ib puag ncig. Sawdust muaj kev nyab xeeb rau ib puag ncig thiab rau tib neeg kev noj qab haus huv, yog li ntawd, kev siv lawv raug tso cai nyob rau ntau qhov chaw uas tsis tau npaj tseg (piv txwv li, cov khoom siv los ntim cov menyuam cov khoom ua si lossis hauv ncoo).

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Nws yog hom ntoo twg?

Niaj hnub no, hauv kev tsim kho kev lag luam, koj tuaj yeem pom ntau tus naj npawb ntawm cov khoom txua ntoo ua los ntawm ntau hom ntoo (thiab koj tuaj yeem yuav cov khoom siv raw, ob qho tib si los ntawm cov khoom muaj txiaj ntsig thiab los ntawm cov pob zeb pheej yig).

Rau kev yooj yim ntawm cov neeg siv thiab cov tuam ntxhab, kev faib tawm dav dav ntawm cov khoom siv tau txais, uas suav nrog 2 pawg tseem ceeb: coniferous thiab deciduous.

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Conifers

Hom coniferous tau tsim los ntawm hom tsiaj xws li thuja, ntoo thuv, thiab spruce thiab ntoo cedar. Cov khoom siv no tau nquag siv hauv kev cog qoob loo, vim tias nws ua rau nce acidity ntawm cov av. Piv txwv li, ntoo thuv shavings tau siv los cog txiv lws suav, dib thiab carrots.

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Dhuav

Hom deciduous yog dav dua li cov coniferous. Cia peb txiav txim siab ntau ntxiv txog cov yam ntxwv thiab cov khoom ntawm ntau pawg me me ntawm cov ntoo txiav ntoo txiav.

  1. Birch shavings tau nquag siv los tsim ua liaj ua teb nceb . Cov ntaub ntawv nyoos tau nchuav rau hauv hnab yas thiab cov kab mob hu ua fungi tau muab tso rau ntawd. Tom qab ntawd, qhov yog ua hauv lub hnab. Hauv qhov no, yam tsis ua tiav, koj yuav tsum tau saib xyuas qib cov av noo kom tsis txhob muaj cov pwm tuaj.
  2. Aspen cov khoom feem ntau siv rau kev ua teb . Xws li sawdust yog qhov tsim nyog rau kev loj hlob dos, qej thiab txiv pos nphuab. Nyob rau tib lub sijhawm, nws yog ib qho tseem ceeb kom nco ntsoov qhov tseeb tias cov khoom siv raw li tso tseg qhov kev loj hlob thiab kev loj hlob ntawm cov nyom, uas ua rau nws yooj yim dua los saib xyuas qhov chaw.
  3. Lub hauv paus tseem ceeb ntawm txiv qaub sawdust yog phosphorus . Ib qho ntxiv, cov khoom sib xyaw ntawm cov khoom siv raw muaj cov resins nrog cov ntxhiab tsw tshaj plaws, uas yog qhov ntxim nyiam rau cov nroj tsuag zib ntab. Heev feem ntau linden sawdust yog siv ua txaj lossis npog cov khoom rau ntau yam paj ntoo.
  4. Raws li txoj cai dav dav, ntoo qhib ntoo sawdust tsis siv los ua cov khoom siv ywj pheej . (tshwj xeeb tshaj yog thaum nws los txog rau kev siv cov khoom siv hauv kev cog qoob loo). Feem ntau lawv tau sib xyaw nrog lwm cov ntaub ntawv (piv txwv li, ua cov nplooj lwg) - hauv qhov "tandem" cov ntaub ntawv raw qhia tag nrho lawv cov txiaj ntsig zoo.
  5. Muaj pes tsawg leeg ntawm ntoo thuv sawdust suav nrog cov tshuaj xws li roj thiab kua qaub, uas yog qhov txawv los ntawm qib muaj txiaj ntsig.
  6. Raws li rau txiv ntseej ntau yam ntawm sawdust , tom qab ntawd cov khoom siv raw yog qhov muaj peev xwm nqus tau dej ntau. Hauv kev txuas nrog cov yam ntxwv no, nws tuaj yeem sau tseg tias cov ntoo sawdust tau nquag siv los nqa tawm ntau yam kev ua haujlwm rwb thaiv tsev cua sov.
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Ntxiv rau qhov ntau yam txiav ntoo ntawm cov ntaub ntawv ntoo tau piav qhia saum toj no, cov ntaub ntawv raw los ntawm larch, ntxiv rau txiv hmab txiv ntoo, beech thiab alder sawdust, yog nrov. Ntxiv mus, cov khoom siv alder yog ib txwm muaj npe nrov hauv kev npaj cov nqaij smoked.

Ua tsaug rau ntau hom sawdust, txhua tus neeg tuaj yeem xaiv rau nws tus kheej xws li cov khoom siv uas yuav yog 100% zoo ib yam nrog nws lub hom phiaj, kev xav tau thiab xav tau.

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Saib

Niaj hnub no muaj ntau hom sawdust. Cia peb ua tib zoo saib lawv cov yam ntxwv tseem ceeb.

Qhov feem ntau thiab dav siv hom khoom siv raw yog sawdust, uas muag hauv hnab . Lawv yog cov pheej yig heev thiab pheej yig, yog li yuav luag txhua tus tuaj yeem yuav lawv.

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Cov ntoo sawdust yog siv hauv cov txheej txheem saib xyuas tsiaj raws li lawv yog cov muab tub lim rau cov tais, uas yog tus yam ntxwv ntawm qib siab ntawm kev ua tau zoo. Ntoo sawdust hauv pellets yog nrov nrog cov miv hauv tsev thiab cov tswv, nrog rau ntau hom nas (piv txwv li, nas lossis hamsters).

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Nias ntoo sawdust nquag siv rau cua sov . Lawv muaj tus yam ntxwv zoo thiab tsis zoo. Yog li, qhov zoo ntawm cov khoom suav nrog kev yooj yim siv, qhov muaj peev xwm siv hauv lub rhaub dej kub ntev thiab yooj yim ntawm kev khaws cia. Ntawm qhov tod tes, qhov loj me yog ib txwm muaj qhov sib txawv ntawm qhov tsis zoo.

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Glued sawdust Lwm hom khoom siv uas siv rau lub hom phiaj sib txawv.

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Ib qho ntxiv, sawdust sib txawv hauv qhov loj me: lawv tuaj yeem ua me me lossis loj. Txhua ntawm cov ntau yam no tau siv rau lub hom phiaj sib txawv thiab sib txawv hauv qib ntawm qhov ntom ntom ntom ntom ntom.

Cov ntawv thov

Raws li tau hais los saud, sawdust tau nrov heev thiab xav tau ntawm cov neeg siv. Lawv siv txuas ntxiv mus rau ntau yam hauv tib neeg lub neej.

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Hauv kev tsim kho

Sawdust yog cov khoom siv tsev uas tsim los siv rau kev tsim thiab tsim khoom ntawm cov khoom xws li chipboard thiab fiberboard, gypsum-sawdust qhob (hauv qhov no, sawdust yog siv ua ke nrog gypsum), thiab ntxiv rau, cov khoom siv raw feem ntau siv hauv txheej txheem ntawm kev npaj cov chaw tso quav (lossis chav dej qhuav), ntxiv rau ntim cov tais rau tsiaj.

Xws li kev siv ntau yam thiab thoob plaws tau piav qhia, ua ntej tshaj plaws, los ntawm tus nqi pheej yig ntawm cov khoom.

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Rau mulching

Lwm thaj chaw ntawm kev siv cov khoom siv yog kev ua liaj ua teb thiab kev cog qoob loo. Sawdust yog cov khoom siv mulching uas muaj txiaj ntsig zoo uas tau siv hauv cov txheej txheem saib xyuas txiv pos nphuab, txiv pos nphuab thiab txiv pos nphuab, thaum lub tuab ntawm txheej txheej sawdust yuav tsum yog li 5 cm.

Koj kuj yuav tsum coj mus rau hauv tus account qhov tseeb tias tsuas yog rotted shavings tuaj yeem siv rau mulching, yog tias cov khoom siv raw, tom qab ntawd nws yuav tsum tau npaj ua ntej.

Nyob rau tib lub sijhawm, txheej txheem mulching nws tus kheej tau pom zoo kom ua tiav tsuas yog nyob rau lub caij ntuj sov lub sijhawm - tom qab tag nrho, nws yog tom qab ntawd cov av poob ntau ntawm cov dej muaj txiaj ntsig.

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Raws li rwb thaiv tsev

Sawdust feem ntau siv los ua cov khoom siv rwb thaiv tsev. Qhov no yog vim muaj cov yam ntxwv tshwj xeeb ntawm cov khoom siv, uas yog, qib siab ntawm qhov ntom ntom ntom ntom ntom.

Ntawm qhov tod tes, kuj tseem muaj cov yam ntxwv tsis zoo ntawm cov khoom siv raw, piv txwv li, muaj feem yuav ua rau muaj kev kub nyhiab ntau ntxiv, thiab muaj kev kub nyhiab.

Vim li no, ua ntej siv sawdust ua rwb thaiv tsev (piv txwv li, ntawm lub qab nthab), nws yog qhov yuav tsum tau ua cov txheej txheem ua ntej . Yog li, sawdust tau sib xyaw nrog gypsum, xis mas, av nplaum lossis txiv qaub, thiab tom qab ntawd ywg dej nrog kev daws ntawm tooj liab sulfate. Cov kev nqis tes ua no txo qhov ntsuas ntawm qhov phom sij phom sij ntawm sawdust.

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Rau rooj tog

Cov ntaub ntawv nyoos feem ntau yog siv los tsim cov rooj tog zaum. Nyob rau thawj theem, sawdust raug nias rau hauv chipboard thiab fiberboard, thiab tom qab ntawd cov rooj tog tsim los ntawm cov khoom siv hauv tsev no . Nws yuav tsum tau sau tseg tias kev siv sawdust pab txhawb kev tsim ntau yam sab hauv thiab kho kom zoo nkauj.

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Ib qho ntxiv, ntau yam khoom siv kho kom zoo nkauj sab hauv tuaj yeem tsim los ntawm sawdust, piv txwv li, cov khoom siv rau cov khoom ua si khoom plig.

Rau kev haus luam yeeb

Tsuas yog ob peb hom shavings haum rau haus luam yeeb. Qhov no yog vim qhov tseeb tias yog tias koj siv ntau yam tsis raug, tom qab ntawv cov khoom kawg (piv txwv li, ntses lossis nqaij) yuav tsis tsuas yog muaj ntxhiab tsw, tab sis kuj muaj qhov iab. Vim qhov no Sawdust los ntawm hom ntoo xws li ntoo qhib, beech thiab ntau yam txiv hmab txiv ntoo feem ntau siv rau kev haus luam yeeb . Hauv qhov no, koj tuaj yeem siv ntau hom sawdust, ob leeg zuj zus thiab ua ke ua ke.

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Rau lub firebox

Ib qho ntawm feem ntau siv rau cov khoom siv raw yog cua sov. Cov khoom siv ua roj rau lub qhov cub thiab lwm cov cua sov . Nws yuav tsum nco ntsoov tias tsis yog txhua hom sawdust yog qhov tsim nyog rau lub cub tawg - nws txhua yam nyob ntawm cov ntsuas xws li qib ntawm cov dej noo thiab ntom ntawm cov khoom siv raw.

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Yuav xaiv li cas?

Nws yog ib qho tseem ceeb heev kom raug, ua tib zoo thiab lav ris mus rau txheej txheem ntawm kev xaiv sawdust. Hauv kev ua li ntawd, ntau qhov tseem ceeb thiab yam tseem ceeb yuav tsum raug coj mus rau hauv tus account.

  1. Txhawm rau pib nrog, koj yuav tsum txiav txim siab seb lub hom phiaj twg thiab hauv cheeb tsam twg koj yuav siv ntoo sawdust. Qhov no yuav txiav txim siab seb hom sawdust yuav zoo tshaj plaws hauv koj cov ntaub ntawv tshwj xeeb.
  2. Thaum yuav khoom, nws yog ib qho tseem ceeb heev kom nug tus muag khoom los muab cov ntawv pov thawj ntawm kev ua raws thiab lwm yam ntaub ntawv uas ua pov thawj qhov zoo ntawm cov khoom.
  3. Cov khoom yuav tsum tau yuav tsuas yog hauv cov khw tshwj xeeb lossis hauv khw muag khoom. Hauv qhov no, koj yuav paub tseeb tias nws zoo. Ib qho ntxiv, hauv cov chaw muag khoom no, koj ib txwm tuaj yeem sab laj nrog cov kws tshaj lij thiab paub txog kev muag khoom.

Pab tswv yim. Txhawm rau yuav cov ntoo txua ntoo, koj tuaj yeem ncaj qha mus rau cov khoom lag luam ntoo. Yog li, koj tuaj yeem tsim kev ncaj qha muab cov khoom lag luam zoo.

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Feem ntau, nws tuaj yeem txiav txim siab tias cov khoom siv ntoo yog cov khoom uas cov kws tshaj lij hauv ntau lub lag luam tsis tuaj yeem ua yam tsis muaj . Txawm li cas los xij, koj yuav tsum tau ceev faj thaum xaiv, vim tsis yog txhua hom sawdust tuaj yeem siv rau txhua lub hom phiaj: muaj ob qho tib si thoob ntiaj teb thiab tshwj xeeb.

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