{"id":631,"date":"2024-06-06T10:42:34","date_gmt":"2024-06-06T02:42:34","guid":{"rendered":"https:\/\/www.cmecsteel.com\/?post_type=products&p=631"},"modified":"2024-08-02T10:42:44","modified_gmt":"2024-08-02T02:42:44","slug":"air-preheater-plate","status":"publish","type":"products","link":"https:\/\/www.cmecsteel.com\/lv\/products\/air-preheater-plate\/","title":{"rendered":"Augstas veiktsp\u0113jas gaisa priek\u0161sild\u012bt\u0101ja pl\u0101ksnes - risin\u0101jums efektivit\u0101tes probl\u0113m\u0101m sp\u0113kstacij\u0101s"},"content":{"rendered":"

Produkta specifik\u0101cijas<\/span><\/p>\n

Materi\u0101ls: augstas stipr\u012bbas le\u0123\u0113tais t\u0113rauds, ner\u016bs\u0113jo\u0161ais t\u0113rauds, alum\u012bnija sakaus\u0113jums utt.<\/span><\/p>\n

Virsmas p\u0101rkl\u0101juma veidi: pretkorozijas p\u0101rkl\u0101jums, nodilumiztur\u012bgs p\u0101rkl\u0101jums utt.<\/span><\/p>\n

Pielaides diapazons: \u00b10,01 mm<\/span><\/p>\n

Apstr\u0101des metodes: prec\u012bza kal\u0161ana, CNC virpo\u0161ana, virsmas apstr\u0101de utt.<\/span><\/p>\n

Kvalit\u0101tes p\u0101rbaude: ultraska\u0146as defektu noteik\u0161ana, ciet\u012bbas tests, stiepes tests<\/span><\/p>\n

 <\/p>\n

1. Gaisa priek\u0161sild\u012bt\u0101js
\nGaisa priek\u0161sild\u012bt\u0101js ir siltuma atkritumu p\u0101rstr\u0101des ier\u012bce. Atkar\u012bb\u0101 no siltuma nodo\u0161anas metodes gaisa priek\u0161sild\u012bt\u0101ju var iedal\u012bt div\u0101s kategorij\u0101s: siltuma vad\u012b\u0161anas tipa un re\u0123ener\u0101cijas tipa. No tiem pl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101js pieder pie siltuma vad\u012b\u0161anas tipa. T\u0101 galven\u0101 funkcija ir pan\u0101kt siltuma atg\u016b\u0161anu, izmantojot vidi ar temperat\u016bras starp\u012bbu no augstas uz zemu. T\u0101p\u0113c to galvenok\u0101rt izmanto t\u0101d\u0101s r\u016bpniec\u012bbas nozar\u0113s k\u0101 \u0137\u012bmisk\u0101 r\u016bpniec\u012bba, ar ogl\u0113m kurin\u0101m\u0101s sp\u0113kstacijas un t\u0113rauda velm\u0113\u0161ana ar augstas temperat\u016bras d\u016bmg\u0101zu emisij\u0101m.
\n2. Pl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101ja sast\u0101vs
\nPl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101j\u0101 k\u0101 siltuma apmai\u0146as elementi tiek izmantotas gofr\u0113tas pl\u0101ksnes no ner\u016bs\u0113jo\u0161\u0101 t\u0113rauda. Gofr\u0113t\u0101s pl\u0101tnes tiek savienotas, veidojot pl\u0101t\u0146u sai\u0161\u0137u grupu, un vair\u0101ki pl\u0101t\u0146u sai\u0161\u0137i veido siltummai\u0146as moduli. Veicot siltumapmai\u0146u, d\u016bmg\u0101zes izpl\u016bst caur \u0101rpusi no aug\u0161as uz leju, un gaiss horizont\u0101li izpl\u016bst caur kastes iek\u0161pusi, apak\u0161\u0101 pagrie\u017eoties uz aug\u0161u, lai pan\u0101ktu reverso pl\u016bsmu, uzlabotu siltuma apmai\u0146as efektivit\u0101ti, un p\u0113c tam, kad aukst\u0101 un karst\u0101 vide ir piln\u012bb\u0101 sask\u0101ru\u0161\u0101s un apmain\u012bju\u0161\u0101s ar siltumu, sakars\u0113tais gaiss atgrie\u017eas katl\u0101, lai pal\u012bdz\u0113tu sadedzin\u0101t og\u013cu kurin\u0101mo.
\n3. Pl\u0101k\u0161\u0146u tipa gaisa priek\u0161sild\u012bt\u0101ja priek\u0161roc\u012bbas
\n1. Augsta siltuma vad\u012b\u0161anas efektivit\u0101te. Gofr\u0113t\u0101s pl\u0101ksnes siltumvad\u012bbas elements maina \u0161\u0137\u0113rsgriezuma formu pa \u0161\u0137idruma pl\u016bsmas virzienu, kas var palielin\u0101t \u0161\u0137idruma trauc\u0113jumus un uzlabot \u0161\u0137idruma siltumvad\u012b\u0161anas efektivit\u0101ti. Apvienojum\u0101 ar pl\u0101n\u0101s pl\u0101ksnes siltumvad\u012btsp\u0113ju kop\u0113jais koeficients ir augst\u0101ks nek\u0101 citu veidu gaisa priek\u0161sild\u012bt\u0101jiem.
\n2. Iztur\u012bba pret koroziju un putek\u013cu uzkr\u0101\u0161anos. Met\u0101la pl\u0101ksnei ir sp\u0113c\u012bga iztur\u012bba pret koroziju, un iek\u0101rtai zem pl\u0101ksnes strukt\u016bras nav virpu\u013cstr\u0101vas, un putek\u013cu sa\u0137ere uz siltummai\u0146as virsmas ir neliela. Ilgtermi\u0146a ekspluat\u0101cija nepal\u0113nina veiktsp\u0113ju, un nav nepiecie\u0161ama putek\u013cu t\u012br\u012b\u0161ana.<\/p>\n

1. Gaisa priek\u0161sild\u012bt\u0101ja darb\u012bbas princips
\nEner\u0123ijas taup\u012b\u0161anas politikas ietekm\u0113 gaisa priek\u0161sild\u012bt\u0101js ir pla\u0161i izmantots r\u016bpniecisko katlu nozar\u0113. Tas ir ar\u012b svar\u012bga elektrostaciju da\u013ca, kas var atg\u016bt da\u013cu d\u016bmg\u0101zu siltuma un samazin\u0101t izpl\u016bdes g\u0101zu temperat\u016bru. T\u0101 princips ir vienk\u0101r\u0161s un viegli saprotams. Gaisa priek\u0161sild\u012bt\u0101js atg\u016bst izpl\u016bdes siltumu no katlu, apkures kr\u0101\u0161\u0146u un izpl\u016bdes g\u0101zu katal\u012btisko sadedzin\u0101\u0161anas iek\u0101rtu d\u016bmg\u0101z\u0113m ar augstu temperat\u016bru, k\u0101 ar\u012b sadeg\u0161anai nepiecie\u0161amo auksto gaisu. No vienas puses, gaisa priek\u0161sild\u012bt\u0101js var paaugstin\u0101t gaisa temperat\u016bru, ko izmanto katlos, apkures kr\u0101sn\u012bs un izpl\u016bdes g\u0101zu katal\u012btiskaj\u0101 sadedzin\u0101\u0161an\u0101.
\n2. Katla gaisa priek\u0161sild\u012bt\u0101ja loma
\n1. Samazin\u0101t siltuma zudumus. T\u0101 k\u0101 gaisa priek\u0161sild\u012bt\u0101js izmanto d\u016bmg\u0101zu siltumu d\u016bmvad\u0101 katla aizmugur\u0113, lai uzsild\u012btu katl\u0101 iepl\u016bsto\u0161o gaisu, tas piln\u012bb\u0101 izmanto d\u016bmg\u0101zu siltumu, t\u0101d\u0113j\u0101di samazinot siltuma zudumus.
\n2. Uzlabot katla efektivit\u0101ti. Izmantojot d\u016bmg\u0101zu siltumu, lai uzsild\u012btu katl\u0101 iepl\u016bsto\u0161o gaisu, vienlaikus efekt\u012bvi izmantojot d\u016bmg\u0101zu siltumu, tas ar\u012b paaugstina iepl\u016bdes gaisa temperat\u016bru katl\u0101, t\u0101d\u0113j\u0101di uzlabojot katla efektivit\u0101ti.
\n3. Uzlabot sadeg\u0161anas efektivit\u0101ti. Gaisa priek\u0161sild\u012bt\u0101js piln\u012bb\u0101 izmanto d\u016bmg\u0101zu siltumu un vienlaikus samazina izpl\u016bdes g\u0101zu temperat\u016bru. Tas uzsilda sadeg\u0161anai nepiecie\u0161amo gaisu, t\u0101d\u0113j\u0101di uzlabojot ar\u012b sadeg\u0161anas efektivit\u0101ti katl\u0101.<\/p>\n

Pl\u0101k\u0161\u0146u gaisa siltummainis ir efekt\u012bv\u0101ks
\n1. Pl\u0101k\u0161\u0146u siltummai\u0146as strukt\u016bras priek\u0161roc\u012bbas
\nPl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101jam ir kompakts konstrukcijas dizains. Sal\u012bdzinot ar tradicion\u0101laj\u0101m d\u016bmg\u0101zu izpl\u016bdes siltuma atg\u016b\u0161anas iek\u0101rt\u0101m, tas ir maz\u0101ks, viegl\u0101ks un aiz\u0146em maz\u0101k vietas. \u0160\u012b kompakt\u0101 konstrukcija \u013cauj pl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101jam lab\u0101k piel\u0101goties vietas ierobe\u017eojumiem r\u016bpniecisk\u0101s ra\u017eotn\u0113s, un to ir viegli uzst\u0101d\u012bt un uztur\u0113t.
\n2. Maz\u0101ka pretest\u012bba un \u0101tr\u0101ka siltuma p\u0101rvade
\nPl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101ja konstrukcij\u0101 izmantota optimiz\u0113ta d\u016bmg\u0101zu un gaisa pl\u016bsmas metode. Pateicoties sapr\u0101t\u012bgam pl\u016bsmas kan\u0101lu izk\u0101rtojumam un \u0161\u0137idruma dinamikas anal\u012bzei, tas nodro\u0161ina piln\u012bgu kontaktu un siltuma apmai\u0146u starp d\u016bmg\u0101z\u0113m un gaisu, maksim\u0101li palielina siltuma apmai\u0146as efektu starp d\u016bmg\u0101z\u0113m un gaisu un \u013cauj d\u016bmg\u0101z\u0113s eso\u0161o augstas temperat\u016bras siltumu efekt\u012bvi nodot gaisam.
\n3. Laba materi\u0101la siltumvad\u012btsp\u0113ja
\nPl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101ja siltumapmai\u0146as elements ir gofr\u0113ta met\u0101la pl\u0101ksne. Augsttemperat\u016bras un pret koroziju iztur\u012bgas met\u0101la pl\u0101ksnes siltumapmai\u0146as virsma ir liel\u0101ka. Tai ir laba siltumvad\u012btsp\u0113ja, un t\u0101 var ilgsto\u0161i darboties augstas temperat\u016bras un augsta spiediena vid\u0113, kas var v\u0113l vair\u0101k palielin\u0101t siltuma apmai\u0146as efektu.
\nPl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101js ir k\u013cuvis par svar\u012bgu apr\u012bkojumu ener\u0123ijas izmanto\u0161anas efektivit\u0101tes uzlabo\u0161anai r\u016bpnieciskaj\u0101 ra\u017eo\u0161an\u0101, pateicoties t\u0101 kompaktajam struktur\u0101lajam dizainam, maz\u0101kai pretest\u012bbai, \u0101tr\u0101kai siltuma nodo\u0161anai, augstai temperat\u016brai un iztur\u012bbai pret koroziju.<\/p>\n

Gaisa priek\u0161sild\u012bt\u0101ja ievie\u0161ana
\nGaisa priek\u0161sild\u012bt\u0101js ir priek\u0161sild\u012b\u0161anas iek\u0101rta, kas uzlabo apkures katlu siltummai\u0146as efektivit\u0101ti un samazina siltuma zudumus. Gaisa priek\u0161sild\u012bt\u0101ja funkcija ir nodot siltumu, ko d\u016bmg\u0101zes, kas izpl\u016bst no katla d\u016bmvada, caur siltuma izkliedes rib\u0101m nodod gaisam pirms iepl\u016bdes katl\u0101, iepriek\u0161 uzsildot gaisu l\u012bdz noteiktai temperat\u016brai.
\nParasti to d\u0113v\u0113 par gaisa priek\u0161sild\u012bt\u0101ju. Parasti izmanto ar ogl\u0113m kurin\u0101mos sp\u0113kstaciju katlos. To var iedal\u012bt divos tipos: kastes tipa un rot\u0101cijas tipa, bet rot\u0101cijas tipa v\u0113l s\u012bk\u0101k iedal\u0101s p\u0101rsega rot\u0101cijas tipa un sildvirsmas rot\u0101cijas tipa. Sp\u0113kstaciju katlos bie\u017ei izmanto rot\u0113jo\u0161os sildvirsmas sild\u012bt\u0101jus. Lietojumu katlos parasti iedala divos nodal\u012bjumos, tr\u012bs nodal\u012bjumos un \u010detros nodal\u012bjumos, no kuriem \u010detrus nodal\u012bjumus bie\u017e\u0101k izmanto cirkul\u0101cijas verdo\u0161\u0101 sl\u0101\u0146a katlos.<\/p>\n

Gaisa priek\u0161sild\u012bt\u0101ja darb\u012bbas princips
\nK\u0101 piem\u0113ru gaisa priek\u0161sild\u012bt\u0101ja darb\u012bbas principa ilustr\u0113\u0161anai var min\u0113t rot\u0113jo\u0161u gaisa priek\u0161sild\u012bt\u0101ju, kas darb\u012bbas laik\u0101 grie\u017eas l\u0113ni, un d\u016bmg\u0101zes pirms izvad\u012b\u0161anas non\u0101k gaisa priek\u0161sild\u012bt\u0101ja d\u016bmg\u0101zu pus\u0113. D\u016bmg\u0101zu siltumu absorb\u0113 gaisa priek\u0161sild\u012bt\u0101ja siltuma izklied\u0113\u0161anas ribas. P\u0113c tam gaisa priek\u0161sild\u012bt\u0101js l\u0113ni grie\u017eas, un siltuma izklied\u0113\u0161anas ribas p\u0101rvietojas uz gaisa pusi, nododot siltumu gaisam, pirms tas non\u0101k katl\u0101.
\nGaisa priek\u0161sild\u012bt\u0101ji katlos p\u0101rsvar\u0101 tiek izmantoti tr\u012bs nodal\u012bjumu tipa katlos, kas apr\u012bkoti ar ugunsgr\u0113ka signaliz\u0101cijas sist\u0113m\u0101m, spraugu regul\u0113\u0161anas sist\u0113m\u0101m un main\u012bgas frekvences vad\u012bbas sist\u0113m\u0101m. Gaisa priek\u0161sild\u012bt\u0101ju pla\u0161i izmanto d\u016bmg\u0101zu katlu sist\u0113m\u0101s, jo tas ir \u0113rts lieto\u0161anai, vienk\u0101r\u0161s, dro\u0161s un sp\u0113j uzlabot katlu sist\u0113mas siltummai\u0146as efektivit\u0101ti.<\/p>\n

Gaisa priek\u0161sild\u012bt\u0101ja funkcija
\n1. Uzlabot un stiprin\u0101t sadeg\u0161anu
\nP\u0113c izvad\u012b\u0161anas cauri atkritumu siltummainim gaiss non\u0101k kurtuv\u0113, pa\u0101trinot kurin\u0101m\u0101 \u017e\u0101v\u0113\u0161anas, aizdeg\u0161an\u0101s un sadeg\u0161anas procesu, nodro\u0161inot stabilu deg\u0161anu katl\u0101 un uzlabojot sadeg\u0161anas efektivit\u0101ti.
\n2. Uzlabota siltuma p\u0101rnese
\nSakar\u0101 ar sadeg\u0161anas uzlabo\u0161anos un intensifik\u0101ciju kr\u0101sns iek\u0161ien\u0113, k\u0101 ar\u012b karst\u0101 gaisa temperat\u016bras paaugstin\u0101\u0161anos, kas iepl\u016bst kr\u0101sn\u012b, ir paaugstin\u0101jies ar\u012b vid\u0113jais temperat\u016bras l\u012bmenis kr\u0101sns iek\u0161ien\u0113, t\u0101d\u0113j\u0101di uzlabojot starojuma siltuma p\u0101rnesi kr\u0101sns iek\u0161ien\u0113.
\n3. Samazin\u0101t kr\u0101sns zudumus, pazemin\u0101t izpl\u016bdes g\u0101zu temperat\u016bru un uzlabot katla termisko efektivit\u0101ti.
\nPateicoties stabilai deg\u0161anai kurtuv\u0113 un uzlabotai siltuma apmai\u0146ai starojuma rezult\u0101t\u0101, var samazin\u0101t \u0137\u012bmisk\u0101s nepiln\u012bgas sadeg\u0161anas zudumus; no otras puses, gaisa priek\u0161sild\u012bt\u0101js izmanto d\u016bmg\u0101zu izpl\u016bdes siltumu, lai v\u0113l vair\u0101k samazin\u0101tu d\u016bmg\u0101zu izpl\u016bdes zudumus, t\u0101d\u0113j\u0101di uzlabojot katla termisko efektivit\u0101ti. Pamatojoties uz pieredzi, ja gaiss priek\u0161sild\u012bt\u0101j\u0101 paaugstin\u0101s par 1,5 \u2103, izpl\u016bdes temperat\u016bru var samazin\u0101t par 1 \u2103. P\u0113c gaisa priek\u0161sild\u012bt\u0101ja uzst\u0101d\u012b\u0161anas katla d\u016bmvad\u0101, ja gaisa izpl\u016bdes siltumu var samazin\u0101t par 150-160 \u2103, izpl\u016bdes temperat\u016bru var samazin\u0101t par 110-120 \u2103, un katla termisko efektivit\u0101ti var palielin\u0101t par 7% -7,5%. T\u0101 var ietaup\u012bt kurin\u0101mo par 11% -12%.
\n4. Karstu gaisu var izmantot k\u0101 degvielas desikantu
\nSl\u0101\u0146u sadedzin\u0101\u0161anas kr\u0101sn\u012bs k\u0101 kurin\u0101mo var izmantot karstu gaisu ar augstu mitruma un pelnu saturu. Sp\u0113kstaciju katlos karstais gaiss ir svar\u012bgs sausin\u0101t\u0101js un og\u013cu pulvera transport\u0113\u0161anas l\u012bdzeklis pulvera ra\u017eo\u0161anas sist\u0113m\u0101.<\/p>\n

gaisa priek\u0161sild\u012bt\u0101ja klasifik\u0101cija
\nAtkar\u012bb\u0101 no gaisa priek\u0161sild\u012bt\u0101ju siltuma nodo\u0161anas metodes tos var iedal\u012bt div\u0101s kategorij\u0101s: siltumvad\u012btsp\u0113jas tipa un re\u0123enerat\u012bv\u0101 tipa. Visbie\u017e\u0101k izmantotais gaisa priek\u0161sild\u012bt\u0101ja tips ir cauru\u013cveida gaisa priek\u0161sild\u012bt\u0101js. Palielinoties katla parametriem un jaudai, palielin\u0101s ar\u012b cauru\u013cveida gaisa priek\u0161sild\u012bt\u0101ja sild\u0101m\u0101 virsma, kas rada sare\u017e\u0123\u012bjumus paka\u013c\u0113j\u0101s sild\u0101m\u0101s virsmas izvietojum\u0101. T\u0101p\u0113c lieljaudas iek\u0101rt\u0101s galvenok\u0101rt izmanto kompaktus un vieglus rot\u0113jo\u0161os gaisa priek\u0161sild\u012bt\u0101jus. Gaisa priek\u0161sild\u012bt\u0101ji parasti tiek iedal\u012bti tr\u012bs tipos: pl\u0101k\u0161\u0146u tipa, rot\u0101cijas tipa un cauru\u013cu tipa.
\nPl\u0101ksnes tips
\n\u0160\u0101da veida gaisa priek\u0161sild\u012bt\u0101js bie\u017ei ir izgatavots no 1,5-4 mm pl\u0101n\u0101m t\u0113rauda pl\u0101ksn\u0113m. T\u0113rauda pl\u0101ksnes metina taisnst\u016brveida kast\u0113s, vair\u0101kas kastes saliek grup\u0101, un viss gaisa priek\u0161sild\u012bt\u0101js sast\u0101v no 2-4 kast\u0113m. D\u016bmi iet no aug\u0161as uz leju, izpl\u016bstot cauri kastes \u0101r\u0113jai malai, bet gaiss iet horizont\u0101li cauri kastes iek\u0161pusei un apak\u0161\u0101 pagrie\u017eas uz aug\u0161u. Tas divreiz mijiedarbojas ar d\u016bmiem, lai nodotu ener\u0123iju, veidojot reverso pl\u016bsmu starp d\u016bmiem un gaisu, t\u0101d\u0113j\u0101di pan\u0101kot lab\u0101ku siltuma nodo\u0161anas efektivit\u0101ti.
\nPl\u0101k\u0161\u0146u gaisa priek\u0161sild\u012bt\u0101js nav kompakts, jo pat\u0113r\u0113 daudz t\u0113rauda; ir daudz \u0161uvju, kas ir pak\u013cautas nopl\u016bdei, un m\u016bsdien\u0101s t\u0101s izmanto reti.
\nCauru\u013cveida tips
\nCauru\u013cveida gaisa priek\u0161sild\u012bt\u0101ja galven\u0101 siltuma p\u0101rneses sast\u0101vda\u013ca ir pl\u0101nsienu t\u0113rauda caurule. Cauru\u013cveida gaisa priek\u0161sild\u012bt\u0101ji liel\u0101koties ir kubiskas formas, ar vertik\u0101li izk\u0101rtot\u0101m t\u0113rauda caurul\u0113m, kas izvietotas vertik\u0101li un izvietotas cita pret citu, un to abi gali ir piemetin\u0101ti pie aug\u0161\u0113j\u0101s un apak\u0161\u0113j\u0101s caurules pl\u0101ksnes. Cauru\u013cveida gaisa priek\u0161sild\u012bt\u0101js ir apr\u012bkots ar starpcaurules pl\u0101ksni cauru\u013cu k\u0101rbas iek\u0161pus\u0113, un d\u016bmg\u0101zes cauri priek\u0161sild\u012bt\u0101jam iet aug\u0161up un lejup pa t\u0113rauda cauruli. P\u0113c tam gaiss cauri priek\u0161sild\u012bt\u0101jam iet horizont\u0101li, pabeidzot siltuma vad\u012b\u0161anu.
\nCauru\u013cveida gaisa priek\u0161sild\u012bt\u0101ja priek\u0161roc\u012bbas ir labs bl\u012bv\u0113jums, augsta siltuma nodo\u0161anas efektivit\u0101te, k\u0101 ar\u012b vienk\u0101r\u0161a ra\u017eo\u0161ana un apstr\u0101de, t\u0101p\u0113c to pla\u0161i izmanto sp\u0113kstaciju katlos un r\u016bpnieciskajos katlos. Cauru\u013cveida gaisa priek\u0161sild\u012bt\u0101ja tr\u016bkumi ir t\u0101 lielais tilpums, viegls pelnu aizs\u0113r\u0113jums t\u0113rauda caurules iek\u0161pus\u0113, gr\u016bt\u012bbas ar t\u012br\u012b\u0161anu un viegls d\u016bmg\u0101zu iepl\u016bdes caurules nodilums.
\nRot\u0101cijas tips
\nRot\u0101cijas gaisa priek\u0161sild\u012bt\u0101js ir visizplat\u012bt\u0101kais re\u0123enerat\u012bv\u0101 gaisa priek\u0161sild\u012bt\u0101ja veids, kas izmanto d\u016bmg\u0101zes un gaisu, lai p\u0101rmai\u0146us uzsild\u012btu gaisu caur met\u0101la sildvirsm\u0101m. Rot\u0113jo\u0161o gaisa priek\u0161sild\u012bt\u0101ju var iedal\u012bt divos veidos atkar\u012bb\u0101 no kust\u012bbas re\u017e\u012bma: sildvirsmas rot\u0101cija un v\u0113jtvera rot\u0101cija. Divi gaisa priek\u0161sild\u012bt\u0101ji \u0161aj\u0101 kr\u0101sn\u012b ir tr\u012bs nodal\u012bjumu sildvirsmas rot\u0101cijas gaisa priek\u0161sild\u012bt\u0101ji.
\nRot\u0101cijas gaisa priek\u0161sild\u012bt\u0101js sast\u0101v no cilindriska rotora, nekust\u012bga cilindriska apvalka un piedzi\u0146as ier\u012bces.
\nRot\u0113jo\u0161o gaisa priek\u0161sild\u012bt\u0101ju var iedal\u012bt divos veidos: viens ir rotora rot\u0101cijas tips ar rot\u0113jo\u0161u sildvirsmu, un otrs ir gaisa kan\u0101la rot\u0101cijas tips ar rot\u0113jo\u0161u gaisa vadu.
\nRot\u0101cijas gaisa priek\u0161sild\u012bt\u0101js sast\u0101v no rot\u0113jo\u0161a apa\u013ca rotora un nekust\u012bga apvalka. Rot\u0113jo\u0161\u0101 sild\u012b\u0161anas virsma ir sadal\u012bta daudzos nodal\u012bjumos, kas apr\u012bkoti ar siltuma akumul\u0101cijas pl\u0101ksn\u0113m. Siltuma akumul\u0101cijas pl\u0101ksnes absorb\u0113 g\u0101zes siltumu un akumul\u0113 to. Pagrie\u017eoties uz gaisa pusi, uzkr\u0101tais siltums tiek atdots gaisam, samazinot t\u0101 temperat\u016bru. Sild\u012b\u0161anas virsma nep\u0101rtraukti rot\u0113, un siltums no d\u016bmg\u0101z\u0113m nep\u0101rtraukti tiek nodots gaisam. Gaiss tiek uzsild\u012bts, un d\u016bmg\u0101zes tiek atdzes\u0113tas. T\u0101ds ir rot\u0101cijas gaisa priek\u0161sild\u012bt\u0101ja darb\u012bbas princips.
\nRot\u0101cijas gaisa priek\u0161sild\u012bt\u0101ja galven\u0101s priek\u0161roc\u012bbas ir nelielais izm\u0113rs, nelielais svars, k\u0101 ar\u012b tas, ka netiek pie\u013cauts iev\u0113rojams siltuma p\u0101rvades komponentu nodilums, t\u0101p\u0113c tas ir \u012bpa\u0161i piem\u0113rots izmanto\u0161anai lielos katlos. Tr\u016bkumi ir t\u0101 sare\u017e\u0123\u012bt\u0101 konstrukcija, ener\u0123ijas pat\u0113ri\u0146\u0161 un liela gaisa nopl\u016bde.
\nPievienot\u0101 sist\u0113ma
\nRot\u0101cijas priek\u0161sild\u012bt\u0101js galvenok\u0101rt ietver ugunsgr\u0113ka signaliz\u0101ciju (karst\u0101s vietas noteik\u0161ana), spraugas regul\u0113\u0161anu, main\u012bgas frekvences regul\u0113\u0161anu, e\u013c\u013co\u0161anas e\u013c\u013cas sist\u0113mu, rotora aptur\u0113\u0161anas signaliz\u0101cijas sist\u0113mu, kv\u0113pu izp\u016b\u0161anas un t\u012br\u012b\u0161anas sist\u0113mu utt.
\nGalven\u0101s probl\u0113mas, kas ietekm\u0113 rot\u0113jo\u0161o gaisa priek\u0161sild\u012bt\u0101ju darb\u012bbu, ir gaisa nopl\u016bde, korozija un pelnu aizs\u0113r\u0113\u0161ana. Projekt\u0113jot cauru\u013cveida gaisa priek\u0161sild\u012bt\u0101ju, sapr\u0101t\u012bgi j\u0101izv\u0113las gaisa pl\u016bsmas \u0101trums un kastes izm\u0113rs, vai ar\u012b gar gaisa pl\u016bsmas virzienu j\u0101uzst\u0101da pretvibr\u0101cijas starpsienas, lai nov\u0113rstu dobuma rezonansi. Pretvibr\u0101cijas starpsien\u0101m ir ar\u012b trok\u0161\u0146a nov\u0113r\u0161anas funkcija. Gaisa nopl\u016bde rot\u0101cijas gaisa priek\u0161sild\u012bt\u0101j\u0101 ir svar\u012bgs jaut\u0101jums, un ir j\u0101veic pas\u0101kumi no projekt\u0113\u0161anas, izgatavo\u0161anas, uzst\u0101d\u012b\u0161anas un ekspluat\u0101cijas aspektiem, lai karst\u0101 st\u0101vokl\u012b uztur\u0113tu sapr\u0101t\u012bgu bl\u012bv\u0113juma spraugu starp dinamiskajiem un statiskajiem komponentiem. Ja izmanto kurin\u0101mo ar augstu s\u0113ra saturu, gan cauru\u013cveida, gan rot\u0101cijas priek\u0161sild\u012bt\u0101jiem ir tendence uz koroziju un pelnu aizsprosto\u0161anos. Profilaktiskie pas\u0101kumi ietver sild\u012bt\u0101ja uzst\u0101d\u012b\u0161anu pie gaisa iepl\u016bdes atveres vai karst\u0101 gaisa recirkul\u0101cijas izmanto\u0161anu; zema sk\u0101bek\u013ca satura sadeg\u0161anas vai l\u012bdzsadedzin\u0101\u0161anas piedevu izmanto\u0161anu, lai samazin\u0101tu SO2 g\u0101zu veido\u0161anos d\u016bmg\u0101z\u0113s; regul\u0101ru pelnu izp\u016b\u0161anu, lai uztur\u0113tu sildvirsmu t\u012bru; sildvirsmas izgatavo\u0161anu no korozijiztur\u012bgiem materi\u0101liem utt.<\/p>\n

Kontaktinform\u0101cija par gaisa priek\u0161sild\u012bt\u0101ja pl\u0101t\u0146u jaut\u0101jumiem<\/span><\/strong><\/p>\n

Lai ieg\u016btu vair\u0101k inform\u0101cijas par Gaisa priek\u0161sild\u012bt\u0101ja pl\u0101ksnes<\/strong> vai lai ieg\u016btu piel\u0101gotus risin\u0101jumus, l\u016bdzu, sazinieties ar mums:<\/span><\/p>\n