Kuti tigadzirise tembiricha yejenareta remhepo, isu chekutanga tinoda kunzwisisa zvinhu uye mafambiro anokanganisa shanduko yekushisa kweutsi, kubata zvinokanganisa tembiricha yehutsi, uye kutitungamira nemazvo kuti tigadzirise tembiricha yeutsi kuitira kuti tembiricha yehutsi igone. kudzorwa mukati menzvimbo yakakodzera. Kazhinji kutaura, izvo zvinokanganisa shanduko yekupisa tembiricha inogona kupatsanurwa kuita zvikamu zviviri, zvinoti pesvedzero yedivi reflue gasi uye nedivi rehutsi pane shanduko yekupisa tembiricha.
1. Zvinhu zvinopesvedzera padivi reflue gasi:
1) Pesvedzero yekupisa kwesimba. Kana mutoro ukaramba usina kuchinjwa, kana kupisa kukasimbiswa (huwandu hwemhepo uye marasha hunowedzera kuwedzera), iyo huru yekuputira inokwira, uye tembiricha huru yehutsi uye kupisa tembiricha yekupisa ichawedzera nekuda kwekuwedzera kwekushisa kweutsi uye flue gasi vhoriyamu. ; kana zvisina kudaro, ivo vachaderera, uye mhepo inoputika ichawedzera. Iyo amplitude yekushanduka kwekushisa inoenderana neamplitude yekupisa shanduko.
2) Pesvedzero yechinzvimbo chenzvimbo yemoto (nzvimbo yekupisa). Kana vira revira remoto richikwira kumusoro, tembiricha yehuni yekubuda nayo inowedzera. Sezvo iyo superheater uye reheater zvakarongerwa muchikamu chepamusoro chechoto, kupisa kunopenya kunobata kunowedzera, zvichiita kuti iyo huru uye inodzoreredza tembiricha yehutsi iwedzere. Zvinoratidzwa mukushanda chaiko, kana chigayo chemarasha chichichinjika kuenda pakati nepamusoro pechigayo chemarasha, iyo huru yekupisa tembiricha inokwira. Uye zvakare, kana chisimbiso chemvura chiri pazasi pejenareta chikarasika, kudzvanya kwakashata muchoto kuchayamwa mhepo inotonhora kubva pasi pechoto, ichisimudza pakati pemurazvo, izvo zvichaita kuti kupisa kukuru kudzorere tembiricha. kuwedzera zvakanyanya. Muzviitiko zvakakomba, tembiricha yehutsi ichaita Iyo superheater madziro tembiricha inodarika muganho mune ese maficha.
3) Kufurira kwehuwandu hwemhepo. Iyo mhepo vhoriyamu inokanganisa zvakananga iyo flue gasi vhoriyamu, zvinoreva kuti ine simba rakakura pane convection mhando superheater uye reheater. Mune yedu dhizaini jenareta, tembiricha yehutsi hweiyo superheater kazhinji imhando yeconvection, uye tembiricha yehutsi hweiyo reheater zvakare akasiyana. Iyo imhando ye convection, saka kana huwandu hwemhepo huchiwedzera, tembiricha yemhepo inowedzera, uye kana huwandu hwemhepo huchiderera, tembiricha yemhepo inoderera.
2. Pesvedzero padivi reutsi:
1) Pesvedzero yekuzara kwehunyoro hunyoro pane tembiricha yehutsi. Kuwanda kwehunyoro hwemhunga, kunowedzera mvura, uye kunoderedza tembiricha yehutsi. Saturated steam humidity ine hukama nemhando yemvura yesoda, mwero wemvura wedhiramu rehutsi uye huwandu hwekubuda. Kana hutano hwemvura yebhoiler husina kunaka uye huwandu hwemunyu hunowedzera, zviri nyore kukonzera kubatanidzwa kwemhepo uye mvura, zvichiita kuti steam ipinde; apo chiyero chemvura mudhiramu chemvura chinoramba chakanyanyisa, nzvimbo yekuparadzanisa yedutu rinoparadzanisa mukati medhiramu inoderedzwa, uye kupatsanurwa kwemhepo uye mvura kunoderedzwa, izvo zvinogona kukonzera kupindira kwemhepo. Mvura; apo iyo boiler evaporation inoerekana yawedzera kana kuremerwa, mwero wekuyerera kwemuputi unowedzera uye kugona kwemuputi kutakura madonhwe emvura kunowedzera, izvo zvinozoita kuti dhayamita uye nhamba yemadonhwe emvura anotakurwa nemhepo yakazadza kuwedzera zvakanyanya. Mamiriro ari pamusoro apa achaita kuti kamwe kamwe kudonha kwekushisa kwemhepo, izvo muzviitiko zvakakomba zvinotyisidzira kushanda kwakachengeteka kweiyo steam turbine. Nokudaro, edza kuidzivisa panguva yekushanda.
2) Kupesvedzera kweiyo main steam pressure. Sezvo kumanikidza kunowedzera, tembiricha yesaturation inowedzera, uye kupisa kunodiwa kushandura mvura kuita chipfu kunowedzera. Kana huwandu hwemafuta hukaramba husina kuchinjika, vhoriyamu yekubuda kwebhailer inodzikira pakarepo, kureva kuti, huwandu hwemhepo inopfuura nepakati peiyo superheater inodzikira, uye iyo superheater Kupisa kweiyo saturated steam painopinza kunokwira, zvichiita kuti kupisa kwemhepo kukwire. . Pane zvinopesana, kudzvinyirira kunoderera uye kupisa kwemhepo kunoderera. Nekudaro, zvinofanirwa kucherechedzwa kuti kukanganisa kwekumanikidza kuchinja pane tembiricha inguva pfupi. Sezvo kudzvinyirira kunoderera, huwandu hwemafuta uye huwandu hwemhepo hunowedzera. Nokudaro, kupisa kwemhepo kunozopedzisira kwakwira, kunyange kusvika pamwero mukuru (zvichienderana nekuwedzera kwehuwandu hwemafuta). degree). Pakunzwisisa nyaya ino, yeuka kuti “Ngwarira kudzima mwoto kana simba rakawanda (huwandu hwemafuta huchaderedzwa zvikuru, zvichiita kuti kupisa kuwedzere), uye chenjerera kupisa zvakanyanya kana simba rakaderera.
3) Pesvedzero yekushisa kwemvura yekudyisa. Sezvo tembiricha yemvura yekudyisa ichiwedzera, huwandu hwemafuta hunodiwa kugadzira huwandu hwakafanana hwehutsi hunodzikira, huwandu hwegasi reflue hunoderera uye kuyerera kunoderera, uye tembiricha yekuburitsa flue inoderera. Pakazere, muyero wekupisa weiyo inopenya superheater inowedzera, uye mwero wekupisa weiyo convective superheater unodzikira. Zvinoenderana nehunhu hwedu hwakarerekera convective superheater uye yakachena convective reheater, iyo huru uye yekupisa tembiricha yemhepo inodzikira, uye huwandu hwemvura inopisa hunodzikira. Kusiyana neizvi, kuderera kwekushisa kwemvura yekudyisa kuchaita kuti iyo huru uye inodzoreredza tembiricha yemhepo iwedzere. Mukushanda chaiko, zvinonyanya kuoneka kana uchiita high-speed decoupling uye mashandiro ekuisa. Teerera zvakanyanya uye ita zvigadziriso panguva.
Nguva yekutumira: Nov-10-2023
