Chav boiler DKVR-20-13: piav qhia, specifications, khiav hauj lwm thiab kho cov lus qhia
Chav boiler DKVR-20-13: piav qhia, specifications, khiav hauj lwm thiab kho cov lus qhia

Video: Chav boiler DKVR-20-13: piav qhia, specifications, khiav hauj lwm thiab kho cov lus qhia

Video: Chav boiler DKVR-20-13: piav qhia, specifications, khiav hauj lwm thiab kho cov lus qhia
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Anonim

DKVR-20-13 yog lub raj dej ntsug ntsug chav boiler nrog lub thaiv kev sib tsoo chamber. Nws tsim kuj muaj xws li ib tug boiling beam. Cov txheej txheem no yog ua raws li "D" tswvyim. Ib qho tshwj xeeb ntawm cov tswv yim no yog qhov chaw nyob sab nraud ntawm qhov sib txuas ntawm cov cuab yeej cuam tshuam nrog nws cov combustion chamber.

qhov ntsuas tseem ceeb ntawm chav tsev

Nws tsim nyog pib nrog cov yam ntxwv ntawm DKVR-20-13. Raws li tau hais ua ntej, hom chav tsev no hais txog chav boilers. Nws lub peev xwm yog 20 t / h. Raws li hom roj siv rau kev ua haujlwm, nws yog roj lossis kua roj. Qhov siab tshaj los yog kev khiav hauj lwm siab ntawm lub coolant ntawm qhov hluav taws xob ntawm lub boiler yog 1.3 MPa. Qhov hluav taws xob qhov hluav taws xob kub yog suav tias yog ib qho ntawm cov cim tseem ceeb. Nws tuaj yeem sib npaug li 194 degrees Celsius nyob rau hauv cov ntaub ntawv ntawm saturated chav los yog 250 degrees nyob rau hauv cov ntaub ntawv ntawm superheated. Ib qho tseem ceeb tivthaiv yog qhov kub ntawm cov dej pub - 100 degrees. Efficiency, raws li kev suav,yog 92%. Kev siv roj siv yog txiav txim siab hauv kg / h thiab yog 1470. Lub boiler belongs rau qhov loj-loj installation, thiab nws loj yog 44634 kg.

ntsug dej raj chav boiler
ntsug dej raj chav boiler

Kev piav qhia ntawm chav tsev

Lub chav boiler DKVR-20-13 muaj ob peb lub ntsiab lus tseem ceeb: lub nruas luv luv thiab qis, shielded combustion chamber, uas tau hais ua ntej. Tom ntej no, nws tsim nyog xav txog qhov nthuav dav ntawm chav tsev no thiab qee qhov ntawm nws qhov chaw.

Lub cuab yeej DKVR-20-13 muaj qhov tshwj xeeb uas lub combustion chamber tau muab faib ua ob ntu: lub cub tawg nws tus kheej, nrog rau lub chamber tom qab hlawv. Lub chamber no yog cais los ntawm lub firebox los ntawm lub rear screen ntawm lub boiler. Cov roj kub kub tau muab nkag rau hauv cov raj boiler ntawm lub cuab yeej los ntawm cov khoom siv hluav taws xob ncaj qha thiab hla tag nrho qhov dav ntawm cov nqaj. Ntawm txoj kev lawv tsis muaj partitions. Txawm li cas los xij, yog tias muaj kev txhim kho ntxiv ntawm lub tshuab hluav taws xob ntawm DKVR-20-13 boiler, qee qhov ntawm cov kav dej no yuav tsis raug teeb tsa. Lub superheater nws tus kheej yuav muaj ob lub pob. Lawv yuav nyob ntawm ntau sab ntawm lub boiler. Tom qab ua haujlwm tawm, superheated chav los ntawm ob lub pob yuav raug tso tawm mus rau ib qho tshwj xeeb sau manifold. Cov cuab yeej ntawm DKVR-20-13 unit siv cov dej pub, uas yuav muab nkag rau lub nruas sab saud. Tam sim no hais txog nws.

chav boiler nrog ob lub nruas
chav boiler nrog ob lub nruas

Boiler drum

Lub nruas sab sauv yuav raug cua sov heev, thiab yog li nws yuav tsum tau txias. Txhawm rau kom txias cov phab ntsa ntawm cov txheej txheem no, sib tov dej thiabCov pa uas tawm los ntawm cov hlab los ntawm ob sab ntawm cov ntxaij vab tshaus thiab los ntawm pem hauv ntej ntawm cov khoom sib txuas.

Lub nruas sab sauv muaj lub ntsiab lus hu ua lub generatrix sab saud. Nws feem ntau muaj xws li cov yam ntxwv xws li kev nyab xeeb li qub, lub tshuab hluav taws xob los yog lub valve, lub valve rau cov khoom siv hluav taws xob rau tus kheej xav tau (rau tshuab).

Nyob rau hauv lub nruas sab sauv muaj qhov chaw dej uas cov kav dej nkag mus. Cov cuab yeej sib cais hla hauv qhov chaw uas muaj chav.

saib ntawm lub boiler tsis muaj lub nruas qis
saib ntawm lub boiler tsis muaj lub nruas qis

Qhov txawv ntawm

Thaum piav txog DKVR-20-13, nws yuav tsum raug sau tseg tias tus qauv tsim muaj qee yam tshwj xeeb. Uas paub qhov txawv ntawm cov qauv no los ntawm lwm tus, nrog rau tus nqi qis dua ntawm chav tsev. Ntawm lawv nws tsim nyog sau cia:

  1. Lub nruas sab sauv ntawm chav tsev 20-13 luv luv, vim nws tsis poob rau hauv lub boiler rauv. Nyob rau tib lub sijhawm, ob lub nruas sab sauv thiab sab qis yog sib npaug ntawm qhov ntev - 4500 mm. Nws tseem tsim nyog ntxiv tias qhov muaj lub nruas luv luv ua rau qhov tsis muaj qhov xav tau rau nws txoj kev txhaj tshuaj, thiab tseem ua rau muaj kev ntseeg siab ntawm cov khoom siv tag nrho.
  2. Vim qhov tseeb tias lub nruas sab sauv tau txo qis, thiab cov dej thiab cov nkev tsim tawm yuav tsum tau tso rau tib theem, nws tau txiav txim siab ntxiv ob qhov chaw taws teeb cua daj cua dub rau qhov tsim. Cov ntsiab lus no tsim txog 20% ntawm tag nrho cov chav ntim.
  3. Lub nruas qis kuj tau hloov kho me ntsis. Nws tau raug tsa saum xoom los txhim kho kev nkag tau yooj yim thiab yooj yim dua.thaum kuaj thiab tu.
  4. Lub DKVR-20-13 boiler muaj ntau cov ntxaij vab tshaus. Ob tug ntawm lawv yog nyob rau sab xis, ob tug ntxiv nyob rau sab laug, ib tug pem hauv ntej thiab ib tug rear screen. Tsis tas li ntawd, txhua tus ntawm lawv muaj ob tus neeg sau khoom hauv nws qhov muaj pes tsawg leeg. Yog li, nws hloov tawm hais tias lub boiler yog nruab nrog 12 collectors, rau ntawm uas nyob rau saum toj, rau hauv qab.
  5. Lwm tus qauv tsim uas cuam tshuam rau sab cov ntxaij vab tshaus yog lawv faib ua ob ntu. Thawj qhov thaiv yog suav tias yog cov ntxaij vab tshaus sab rau thawj theem ntawm evaporation, feem, qhov thaiv thib ob yog theem thib ob ntawm evaporation. Tsis tas li ntawd, qhov thib ob thaiv feem ntau yog nyob rau pem hauv ntej ntawm lub convective beam, thiab cov ntxaij vab tshaus feem ntau yog suav los ntawm pem hauv ntej ntawm lub boiler.
  6. Tus qauv tsim kawg yog L-shaped sab kav rau cov ntxaij vab tshaus. Lawv lub installation yog ua raws li cov hauv qab no. Piv txwv li, thawj cov yeeb nkab rau sab xis screen yuav muaj nws qis kawg welded mus rau sab xis header thiab nws sab kawg welded mus rau sab laug sab laug header. Thawj cov yeeb nkab rau sab laug npo yuav txuas nrog tib txoj kev. Kev sib txuas ntxiv ntawm txoj kev no ua rau lub combustion chamber raug thaiv tag nrho.
boiler automation tswvyim
boiler automation tswvyim

Thiab qhov kawg, peb tuaj yeem ntxiv tias cov kab hluav taws xob tsis muaj qhov sib faib hauv nws qhov tsim.

Cov teeb meem sib sau ua ke

Kho cov boilers yuav tsum tau ntseeg tsuas yog rau cov kws tshaj lij. Ntawm cov feem ntauteeb meem uas tuaj yeem kuaj pom, kev tsim cov nplai yog qhov tseem ceeb. Qhov kev tsis zoo no yuav yog tus cwj pwm los ntawm kev txo qis hauv cov zis hluav taws xob ntawm lub boiler, nrog rau kev txo qis hauv nws qhov kev ua tau zoo tag nrho. Ntawm lwm cov laj thawj ntawm kev tawg, kev saib xyuas tsis raug lossis tsis ua raws li txoj cai ntawm cov haujlwm no sawv tawm. Feem ntau qhov ua rau tuaj yeem ua yuam kev ntawm theem tsim ntawm lub kaw lus lossis kev teeb tsa ntawm chav tsev nws tus kheej.

Txawm li cas los xij, kev kho ntawm hom boiler no kim heev. Txhawm rau kom tsis txhob muaj qhov xav tau ntawm txoj haujlwm no, kev kuaj mob ntawm txhua qhov chaw thiab lub cev tag nrho yuav tsum tau ua kom ntau li ntau tau. Tsis tas li ntawd, kev tiv thaiv kev ua haujlwm yuav tsum tau ua kom tsis txhob muaj cov nplais.

Chav boiler DKVR-20-13
Chav boiler DKVR-20-13

Tsev. Features

Thaum lub sijhawm teeb tsa ntawm DKVR-20-13 boiler, brickwork yog ib feem yuav tsum tau ua. Nyob rau tib lub sijhawm, lub thickness ntawm phab ntsa rau nws yuav tsum yog 510 hli - qhov no yog lub thickness ntawm ob lub cib. Txhua phab ntsa yuav tsum muaj qhov tuab no tshwj tsis yog rau sab nraub qaum. Ntawm no, txo qhov tuab ntawm 1.5 cib lossis 380 hli raug tso cai. Tsis tas li ntawd, phab ntsa tom qab feem ntau yog them rau sab nraud nrog ib txheej ntawm plaster 20 mm tuab. Qhov no yog ua tiav txhawm rau txo cov khob nqus dej.

Cov pob zeb zoo li no suav tias yog hnyav, thiab yog li ntawd nws yog ua los ntawm cov cib liab. Fireclay bricks kuj tau siv ntawm no, uas lawv nteg tawm cov phab ntsa ntawm lub qhov cub. Lawv thickness yuav tsum yog 125 hli.

Cov phab ntsa ntawm lub qhov cub tom qab yuav tsum yog 250 hli tuab. Nws yog ib qho tsim nyog yuav tsum ua kom muaj kev faib tawm ntawm cov kav dej beam. Ob leeg ntawm nocov txheej txheem ntawm lub hauv ob sab phlu yuav tsum yog ua los ntawm fireclay cib.

chav boiler
chav boiler

Kev ua haujlwm pem hauv ntej

Phau ntawv ua haujlwm rau DKVR-20-13 boiler yog txuas rau txhua chav tsev thiab muaj tag nrho cov lus qhia tsim nyog rau kev siv chav tsev, tu nws thiab ua haujlwm tu. Txawm li cas los xij, kev ua haujlwm ntawm qee qhov yuav tsum tau kawm kom ntxaws ntxiv.

Dej ncig ncig lub voj voog ntawm lub vijtsam pem hauv ntej. Qhov qis manifold ntawm qhov screen no belongs rau thawj theem evaporation. Nws yog pub nrog dej los ntawm lub nruas sab sauv los ntawm ob lub kav dej bypass. Thaum lub sijhawm ua haujlwm ntawm chav tsev, tsis yog txhua qhov dej evaporates. Unevaporated kua kuj yuav nkag mus rau cov khoom no los ntawm lub nruas sab sauv. Muaj plaub qhov tshwj xeeb downpipe rau qhov no. Tsis tas li ntawd, muaj cov kav dej riser hauv cov qauv, uas los ntawm cov khoom qis qis, cov kua yuav txav mus rau sab saud. Nws yuav ua kom sov, tig mus rau hauv chav dej sib tov, tom qab ntawd nws yuav muab nkag mus rau hauv lub manifold sab saud.

boiler kev twb kev txuas
boiler kev twb kev txuas

Tsiv roj

Tom qab cov roj combustion, gases yuav raug tsim uas txav mus rau tom qab burner. Ib qho superheater feem ntau yog ntsia rau ntawm qhov kawg ntawm lub chamber. Txij li thaum tus tsim ntawm no tshwj xeeb boiler tsis muab rau lub xub ntiag ntawm partitions nyob rau hauv pem hauv ntej ntawm lub beam, cov pa gases yuav dhau los ntawm nws, muab tawm lawv cov cua sov. Tom qab ntawd, lawv yuav raug tshem tawm ntawm lub boiler raws nws tag nrho qhov dav ntawm phab ntsa tom qab. Tom qab ntawd, muaj cov pa roj tshwj xeeb los ntawm kev xa cov pa roj raukev khwv nyiaj txiag.

Hloov pauv hauv kev tsim

Raws li tau hais ua ntej, cov ntaub ntawv tau tsim tawm txij li xyoo 1961. Lub peculiarity yog hais tias lawv yog Ameslikas npaj rau hlawv roj, xws li tawv thiab xim av coal los yog anthracite. Txawm li cas los xij, tom qab ntawd, qhov sib npaug ntawm cov roj tau hloov pauv hauv lub tebchaws thiab nws yuav tsum tau hloov mus rau cov kua roj thiab roj hlawv. Nws tsis tau hloov pauv tshwj xeeb rau tus tsim.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov ntawm no tias tom qab hloov mus rau cov hom roj no, kev ua haujlwm yuam kev los ntawm nominal mus rau 140% tau tso cai. Qhov no ua rau muaj kev nce ntxiv hauv cov xwm txheej kub ntxhov. Lawv feem ntau muaj nyob rau hauv qhov tsis ua tiav ntawm cov ntsev ntim thiab cua daj cua dub.

dej cua sov hom

Thaum kawg nws tsim nyog ntxiv tias lub boiler tuaj yeem ua haujlwm hauv hom dej kub. Qhov no tso cai rau koj txo qis roj noj thaum lub sijhawm ua haujlwm, ua kom cov khoom tsim tau ntawm chav tsev, txo tus nqi ntawm cov peev txheej rau chav tsev xav tau, thiab txo tus nqi ntawm kev npaj cov kua.

Yog tias peb xav txog tag nrho cov txiaj ntsig no hauv kev sib sau los ntawm qhov pom ntawm kev ua kom tau zoo, ces qhov nruab nrab ntawm daim duab no nce 2-2.5%.

Raws li cov lus saum toj no, peb tuaj yeem kos cov lus xaus hauv qab no. Cov chav no yog cov chav zoo rau lawv lub sijhawm, tab sis tam sim no thev naus laus zis tso cai rau kev tsim thiab ua haujlwm ntawm cov cuab yeej zoo dua.

Pom zoo: