{"id":47915,"date":"2019-11-07T06:59:51","date_gmt":"2019-11-07T05:59:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-de-bombas-de-agua-de-alimentacao-a-gerador-de-vapor-definicao\/"},"modified":"2020-01-26T09:02:05","modified_gmt":"2020-01-26T08:02:05","slug":"o-que-e-de-bombas-de-agua-de-alimentacao-a-gerador-de-vapor-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-de-bombas-de-agua-de-alimentacao-a-gerador-de-vapor-definicao\/","title":{"rendered":"O que \u00e9 de bombas de \u00e1gua de alimenta\u00e7\u00e3o a gerador de vapor – Defini\u00e7\u00e3o"},"content":{"rendered":"
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As bombas de \u00e1gua de alimenta\u00e7\u00e3o aumentam a press\u00e3o do condensado (~ 1MPa) para a press\u00e3o no gerador de vapor.\u00a0O fluxo de \u00e1gua de alimenta\u00e7\u00e3o para cada gerador de vapor \u00e9 controlado por v\u00e1lvulas reguladoras de \u00e1gua de alimenta\u00e7\u00e3o (FRVs) em cada linha de \u00e1gua de alimenta\u00e7\u00e3o.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n
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\"Turbina<\/a>
Esquema de uma turbina a vapor de um PWR t\u00edpico de 3000 MW.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n
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<\/div>\n

Das bombas de \u00e1gua de alimenta\u00e7\u00e3o ao gerador de vapor<\/h2>\n

\"Bombas<\/a>O sistema de\u00a0bombas<\/strong>\u00a0de\u00a0\u00e1gua<\/strong>\u00a0de\u00a0alimenta\u00e7\u00e3o<\/strong>\u00a0geralmente cont\u00e9m tr\u00eas linhas paralelas (\u00a03 \u00d7 50%<\/strong>\u00a0) de bombas de \u00e1gua de alimenta\u00e7\u00e3o com cabe\u00e7alhos comuns de suc\u00e7\u00e3o e descarga.\u00a0Cada bomba de \u00e1gua de alimenta\u00e7\u00e3o consiste no\u00a0refor\u00e7o<\/strong>\u00a0e na\u00a0bomba de \u00e1gua de alimenta\u00e7\u00e3o principal<\/strong>\u00a0.\u00a0As bombas de \u00e1gua de alimenta\u00e7\u00e3o (geralmente acionadas por turbinas a vapor) aumentam a press\u00e3o do condensado (~ 1MPa) para a press\u00e3o no gerador de vapor (~ 6,5MPa).<\/p>\n

As\u00a0bombas auxiliares<\/strong>\u00a0fornecem a press\u00e3o de suc\u00e7\u00e3o principal necess\u00e1ria da bomba de \u00e1gua de alimenta\u00e7\u00e3o.\u00a0Essas bombas (ambas as bombas de \u00e1gua de alimenta\u00e7\u00e3o) s\u00e3o normalmente bombas de alta press\u00e3o (geralmente do\u00a0tipo bomba centr\u00edfuga<\/a>\u00a0) que aspiram do tanque de armazenamento de \u00e1gua do desaerador, montado diretamente abaixo do desaerador, e fornecem as principais bombas de \u00e1gua de alimenta\u00e7\u00e3o.\u00a0A descarga de \u00e1gua das bombas de \u00e1gua de alimenta\u00e7\u00e3o flui atrav\u00e9s dos\u00a0aquecedores de \u00e1gua de alimenta\u00e7\u00e3o de alta press\u00e3o<\/strong>\u00a0, entra na\u00a0conten\u00e7\u00e3o<\/a>\u00a0e depois flui para os\u00a0geradores de vapor<\/a>\u00a0.<\/p>\n

O fluxo de \u00e1gua de alimenta\u00e7\u00e3o para cada gerador de vapor \u00e9 controlado por\u00a0v\u00e1lvulas reguladoras de \u00e1gua<\/strong>\u00a0de\u00a0alimenta\u00e7\u00e3o<\/strong>\u00a0(\u00a0FRVs<\/strong>\u00a0) em cada linha de \u00e1gua de alimenta\u00e7\u00e3o.\u00a0O regulador \u00e9 controlado automaticamente pelo n\u00edvel do gerador de vapor, fluxo de vapor e fluxo de \u00e1gua de alimenta\u00e7\u00e3o.<\/p>\n

Os\u00a0aquecedores de \u00e1gua de alimenta\u00e7\u00e3o de alta press\u00e3o<\/strong>\u00a0s\u00e3o aquecidos pelo vapor de extra\u00e7\u00e3o da turbina de alta press\u00e3o, HP Turbine.\u00a0Os drenos dos aquecedores de \u00e1gua de alta press\u00e3o s\u00e3o geralmente encaminhados para o desaerador.<\/p>\n

\"Gerador<\/a>
Gerador de vapor – vertical<\/figcaption><\/figure>\n

A \u00e1gua de alimenta\u00e7\u00e3o (\u00a0\u00e1gua 230 \u00b0 C; 446 \u00b0 F; 6,5MPa<\/strong>\u00a0) \u00e9 bombeada para\u00a0o gerador de vapor<\/strong>\u00a0atrav\u00e9s da entrada de \u00e1gua de alimenta\u00e7\u00e3o.\u00a0No gerador de vapor, a \u00e1gua de alimenta\u00e7\u00e3o (circuito secund\u00e1rio) \u00e9 aquecida de\u00a0~ 230 \u00b0 C 446 \u00b0 F<\/strong>\u00a0at\u00e9 o ponto de ebuli\u00e7\u00e3o desse fluido\u00a0(280 \u00b0 C; 536 \u00b0 F; 6,5MPa)<\/strong>\u00a0.\u00a0A \u00e1gua de alimenta\u00e7\u00e3o \u00e9 ent\u00e3o evaporada e o vapor pressurizado\u00a0(<\/strong>\u00a0vapor\u00a0saturado<\/strong><\/a>\u00a0280 \u00b0 C; 536 \u00b0 F; 6,5 MPa)<\/strong>\u00a0sai do gerador de vapor atrav\u00e9s da sa\u00edda de vapor e continua at\u00e9 a turbina a vapor, completando assim o ciclo.<\/p>\n<\/div>\n<\/div>\n

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……………………………………………………………………………………………………………………………….<\/p>\n

Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

As bombas de \u00e1gua de alimenta\u00e7\u00e3o aumentam a press\u00e3o do condensado (~ 1MPa) para a press\u00e3o no gerador de vapor.\u00a0O fluxo de \u00e1gua de alimenta\u00e7\u00e3o para cada gerador de vapor \u00e9 controlado por v\u00e1lvulas reguladoras de \u00e1gua de alimenta\u00e7\u00e3o (FRVs) em cada linha de \u00e1gua de alimenta\u00e7\u00e3o.\u00a0Engenharia T\u00e9rmica Esquema de uma turbina a vapor de … Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"\nO que \u00e9 de bombas de \u00e1gua de alimenta\u00e7\u00e3o a gerador de vapor - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"As bombas de \u00e1gua de alimenta\u00e7\u00e3o aumentam a press\u00e3o do condensado (~ 1MPa) para a press\u00e3o no gerador de vapor. O fluxo de \u00e1gua de alimenta\u00e7\u00e3o para cada gerador de vapor \u00e9 controlado por v\u00e1lvulas reguladoras de \u00e1gua de alimenta\u00e7\u00e3o (FRVs) em cada linha de \u00e1gua de alimenta\u00e7\u00e3o. Engenharia T\u00e9rmica\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-de-bombas-de-agua-de-alimentacao-a-gerador-de-vapor-definicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 de bombas de \u00e1gua de alimenta\u00e7\u00e3o a gerador de vapor - Defini\u00e7\u00e3o\" \/>\n<meta property=\"og:description\" content=\"As bombas de \u00e1gua de alimenta\u00e7\u00e3o aumentam a press\u00e3o do condensado (~ 1MPa) para a press\u00e3o no gerador de vapor. 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