螺旋板式換熱器設(shè)計(jì)畢業(yè)設(shè)計(jì)

1、螺旋板式換熱器設(shè)計(jì)畢業(yè)設(shè)計(jì)（此文檔為word格式，下載后您可任意編輯修改！）螺旋板式換熱器設(shè)計(jì)畢業(yè)設(shè)計(jì)（論文）任務(wù)書一、設(shè)計(jì)任務(wù)題目：反應(yīng)器的混合氣體換熱器設(shè)計(jì)（螺旋板式）二、設(shè)計(jì)任務(wù)和設(shè) 計(jì)條件生產(chǎn)過程的流程如圖所示，反應(yīng)器的混合氣體經(jīng)與進(jìn)料物流換熱后，用循環(huán)冷卻水將 其從110C進(jìn)一步冷卻至60C之后，進(jìn)入吸收塔吸收其中的可溶組分。已知混和氣體的流 量為36825. 25OK/h,壓力為1.6 MPa,循環(huán)冷卻水的壓力為0. 4MPa,循環(huán)水的入口溫度 為29C,出口溫度為39C,試設(shè)計(jì)一臺(tái)列管式換熱器，完成該生產(chǎn)任務(wù)。物性特征：混和氣體在85下的有關(guān)物性數(shù)據(jù)如下（來自生產(chǎn)中的實(shí)測值）：密

2、度 =7O0K/m3,粘度=3. 5X10-5 Pa s,定壓比熱容=3. 297kj/kg,熱導(dǎo)率=0. 0279w/m循環(huán) 水在34下的物性數(shù)據(jù)：密度=991. 30K/m3,定壓比熱容二4. 174kj/kg ,熱導(dǎo)率 =0. 624w/m,粘度=0.742X10-3 Pa - s：定壓比熱容=3. 297kj/kgC,熱導(dǎo)率=0. 0279w/m, 粘度循環(huán)水在34下的物性數(shù)據(jù)：密度=994.3，K/m3,定壓比熱容=4. 174kj/kg,熱導(dǎo) 率=0.624w/m。三、設(shè)計(jì)內(nèi)容1、換熱器熱設(shè)計(jì)2、換熱器結(jié)構(gòu)設(shè)計(jì)3、換熱器強(qiáng)度設(shè) 計(jì)4、設(shè)計(jì)計(jì)算說明書及圖紙摘要螺旋板式換熱器是以螺旋體

3、為換熱元件的高效換熱設(shè)備，在化工、石油、輕工等許多 工業(yè)部門有著廣泛應(yīng)用。它分為可拆和不可拆兩種結(jié)構(gòu)形式，螺旋體用兩張平行的鋼板卷 制而成，具有使介質(zhì)通過的螺旋通道。本設(shè)計(jì)參照不可拆螺旋板式換熱器型式與基本參數(shù)和GB150-98鋼制壓力容器 進(jìn)行螺旋體的幾何設(shè)計(jì)和強(qiáng)度計(jì)算以及螺旋板換熱器的結(jié)構(gòu)設(shè)計(jì)。采用的常規(guī)設(shè)計(jì)法設(shè)計(jì) 的不可拆螺旋板式換熱器，實(shí)現(xiàn)了氣-液流體在兩螺旋通道內(nèi)的全逆流低溫差換熱。并在 強(qiáng)度計(jì)算時(shí)采用增加定距柱數(shù)目的方法提高了螺旋體的強(qiáng)度和高度，從而提高了整個(gè)設(shè)備 的承壓能力。關(guān)鍵詞：螺旋板式換熱器：結(jié)構(gòu)設(shè)計(jì)；強(qiáng)度計(jì)算；螺旋體AbstractSpiral plate heat ex

4、changer is based on helical body heat exchanger components for the efficient heat transfer equipment, the chemical industry, petroleum, light industry and many other industrial sectors have wider application. It is not dismantled and demolished two forms, spirochetes with two parallel plates from ro

5、lling, possess medium through the spiral channel. The reference design parametersstrength calculation spiral plate heat exchanger design of the structure. The conventional design method designed not demolition spiral plate heat exchanger, Implementation of the gas-liquid fluid channel in two spiral of the entire current poor low temperature heat exchanger. And the strength calculation used to increase the number of columns from the method improved the spiral body strength and height, thereby increasing the overall capacity confined equipment.Keywords