【正文】 ...................................15 端蓋 ...............................................................................................................................15 分程隔板 ......................................................................................................................16 支撐板與拉桿 ............................................................................................................16 封頭和支座 .................................................................................................................16 墊片的選取 .................................................................................................................17 螺栓的選取 .................................................................................................................17 連接管的確定 ..........................................................................................................173 管殼式冷凝器設(shè)計(jì)設(shè)計(jì) ..........................................................................................................19 冷凝器熱負(fù)荷的確定 .........................................................................................................19 結(jié)構(gòu)的初步規(guī)劃 ...................................................................................................................20 結(jié)構(gòu)型式 ......................................................................................................................20 污垢系數(shù)的選擇 .......................................................................................................20 冷卻水的流速 ............................................................................................................20 管型選擇 ......................................................................................................................20 冷卻水流量 .................................................................................................................21 估算傳熱管總長(zhǎng) .......................................................................................................21 確定每流程管數(shù) Z，有效單管長(zhǎng) L及流程數(shù) N............................................22 傳熱管的布置排列 ..................................................................................................23 熱力計(jì)算 .................................................................................................................................23 水側(cè)表面?zhèn)鳠嵯禂?shù) ..................................................................................................23 氟利昂側(cè)冷凝表面?zhèn)鳠嵯禂?shù) ...............................................................................24 實(shí)際所需熱流密度計(jì)算 .........................................................................................24 實(shí)際所需換熱面積 ..................................................................................................25 阻力計(jì)算 .................................................................................................................................25 冷卻水的流動(dòng)阻力計(jì)算 .........................................................................................25 冷卻水泵的總壓頭與離心水泵的功率 ............................................................26 結(jié)構(gòu)設(shè)計(jì)計(jì)算 ........................................................................................................................26 筒體 ...............................................................................................................................26 管板 ...............................................................................................................................27 法蘭 ...............................................................................................................................27 端蓋 ...............................................................................................................................27 分程隔板 ......................................................................................................................28 支撐板與拉桿 .............................................................................................................28 封頭和支座 ..................................................................................................................28 墊片的選取 ..................................................................................................................29 螺栓的選取 ...............................................................................................29 連接管的確定 ..........................................................................................................294 壓縮機(jī)的選用 .............................................................................................................................31 壓縮機(jī)的特點(diǎn) ......................................................................................................................31 壓縮機(jī)負(fù)荷計(jì)算 .................................................................................................................33 壓縮機(jī)選型 ......................................................................................................34 管道設(shè)計(jì) .........................................................................................................35 吸氣管 .....................................................................................................35 排氣管 .....................................................................................................36 液體管 .....................................................................................................36 冷凍油的選用和添加量 .................................................................................36 冷凍機(jī)油在壓縮機(jī)中的作用 .................................................................36 制冷機(jī)對(duì)冷凍油的性能要求 ..................................................................36 冷凍油的選用 ..............................................................................................................37 冷凍油的添加量所需考慮因素 ....................................................