2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
已閱讀1頁,還剩43頁未讀 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報或認(rèn)領(lǐng)

文檔簡介

1、<p>  遼 寧 石 油 化 工 大 學(xué)</p><p>  過程裝備與控制工程專業(yè)</p><p><b>  過程設(shè)備設(shè)計</b></p><p><b>  課程設(shè)計說明書</b></p><p>  題目: 中壓蒸汽凝液罐 </p>&l

2、t;p>  學(xué) 院:機(jī)械工程學(xué)院 </p><p>  班 級:裝備1205班 </p><p>  姓 名:李神煒 </p><p>  學(xué) 號:1202010505 </p><p>  2015 年 12 月</p><p><b>  目錄</b>&

3、lt;/p><p>  設(shè)計任務(wù)書································&

4、#183;·················1</p><p>  符號說明··············&

5、#183;····································

6、;·2</p><p>  設(shè)計計算·······························

7、;·····················6</p><p>  1參數(shù)選取··········

8、3;····································&#

9、183;··6</p><p>  1.1設(shè)計壓力與計算壓力的確定···························

10、83;····6</p><p>  1.2設(shè)計溫度的確定··························

11、83;···············6</p><p>  1.3厚度附加量················

12、;······························6</p><p>  1.3.1厚度負(fù)偏差·

13、;····································

14、83;····6</p><p>  1.3.2腐蝕裕量··························

15、3;·················6</p><p>  1.4焊接接頭系數(shù)··············

16、;······························6</p><p>  2筒體··

17、····································

18、3;···············7</p><p>  2.1筒體材料················&

19、#183;·······························7</p><p>  2.2筒體

20、許用應(yīng)力····································

21、········7</p><p>  2.3筒體厚度·······················

22、83;························7</p><p>  2.3.1筒體計算厚度······&#

23、183;·································7</p><p

24、>  2.3.2筒體設(shè)計厚度··································

25、;······7</p><p>  2.3.3筒體名義厚度························

26、3;···············7</p><p>  2.3.4筒體有效厚度···············

27、83;························7</p><p>  2.4筒體厚度水壓試驗校核······

28、······························7</p><p>  2.4.1耐壓試驗壓力·

29、;····································

30、83;··7</p><p>  2.4.2筒體薄膜應(yīng)力····························&#

31、183;···········8</p><p>  2.4.3耐壓試驗時容器強(qiáng)度校核··················&#

32、183;···········8</p><p>  3封頭····················

33、83;·································8</p><p&

34、gt;  3.1封頭選型··································

35、3;·············8</p><p>  3.2封頭厚度··················&

36、#183;·····························8</p><p>  3.3封頭厚度水壓試驗校核

37、3;···································8</p&

38、gt;<p>  3.3.1封頭設(shè)計厚度································&

39、#183;·······9</p><p>  3.3.2封頭名義厚度·······················

40、·················9</p><p>  3.3.3筒體有效厚度··············

41、;··························9</p><p>  3.4封頭厚度水壓試驗校核····&#

42、183;·······························9</p><p>  3.4.1耐

43、壓試驗壓力····································

44、;····9</p><p>  3.4.2封頭薄膜應(yīng)力··························

45、3;·············9</p><p>  3.4.3耐壓試驗時封頭強(qiáng)度校核················

46、3;·············9</p><p>  4附件選擇··················

47、83;·······························10</p><p>  4.1支座&

48、#183;····································

49、;···············10</p><p>  4.2法蘭················

50、83;···································10</

51、p><p>  4.3墊片·································

52、;···················10</p><p>  4.4加強(qiáng)圈············&#

53、183;····································

54、·10</p><p>  4.5補(bǔ)強(qiáng)圈······························

55、83;···················10</p><p>  4.5.1補(bǔ)強(qiáng)判別···········

56、83;································10</p><p>  

57、4.5.2補(bǔ)強(qiáng)計算方法判別··································

58、83;·10</p><p>  4.5.3開孔所需補(bǔ)強(qiáng)面積·····························

59、;·······11</p><p>  4.5.3.1封頭計算厚度·······················&

60、#183;··············11</p><p>  4.5.3.2開孔所需補(bǔ)強(qiáng)面積···············&

61、#183;··················11</p><p>  4.5.4有效補(bǔ)強(qiáng)范圍············

62、;····························11</p><p>  4.5.4.1有效寬度B··&#

63、183;····································

64、··11</p><p>  4.5.4.2有效高度····························

65、3;·············11</p><p>  4.5.5有效補(bǔ)強(qiáng)面積·················&#

66、183;······················12</p><p>  4.5.5.1封頭多余金屬面積·······&#

67、183;··························12</p><p>  4.5.5.2接管多余金屬面積···&#

68、183;······························12</p><p>  4.5.5.3接管區(qū)焊

69、縫面積····································1

70、2</p><p>  4.5.5.4有效補(bǔ)強(qiáng)面積······························

71、83;·······12</p><p>  4.5.6所需另行補(bǔ)強(qiáng)面積·······················

72、;·············12</p><p>  4.5.7補(bǔ)強(qiáng)圈設(shè)計·················

73、3;························13</p><p>  5儲罐支座反力計算······

74、3;···································13</p

75、><p>  5.1儲罐質(zhì)量································

76、3;···············13</p><p>  5.1.1筒體質(zhì)量···············

77、3;····························13</p><p>  5.1.2封頭質(zhì)量··

78、3;····································&#

79、183;····13</p><p>  5.1.3附件質(zhì)量··························&#

80、183;·················14</p><p>  5.1.4充氣、液質(zhì)量·············

81、···························14</p><p>  5.1.5保溫層質(zhì)量····

82、;····································

83、83;·14</p><p>  5.1.6總質(zhì)量·····························

84、3;················14</p><p>  5.1.6.1操作時質(zhì)量··············&

85、#183;·························14</p><p>  5.1.6.2壓力實驗時質(zhì)量····&#

86、183;·······························14</p><p>  5.2支座

87、反力····································&#

88、183;···········14</p><p>  5.2.1操作時反力···················&

89、#183;······················14</p><p>  5.2.2壓力實驗時反力·······

90、3;······························15</p><p>  5.2.3支座反力選取&#

91、183;····································

92、···15</p><p>  5.3彎矩····························

93、3;·······················15</p><p>  5.3.1圓筒中間橫截面·······&

94、#183;······························15</p><p>  5.3.2鞍座平面&

95、#183;····································

96、;·······16</p><p>  6圓筒應(yīng)力計算與校核·······················

97、3;················16</p><p>  6.1圓筒軸向應(yīng)力··············

98、3;·····························16</p><p>  6.1.1內(nèi)壓未加壓·

99、83;····································&

100、#183;···16</p><p>  6.1.2內(nèi)壓加壓···························&

101、#183;················17</p><p>  6.1.3外壓加壓··············&

102、#183;·····························17</p><p>  6.1.4外壓未加壓·

103、····································

104、3;····17</p><p>  6.1.5未加壓···························

105、;···················18</p><p>  6.1.6加壓············&

106、#183;···································18<

107、;/p><p>  6.1.7軸向應(yīng)力校核·······························

108、83;········18</p><p>  6.2圓筒和封頭切應(yīng)力······················&

109、#183;·················19</p><p>  6.2.1圓筒切應(yīng)力·············

110、·····························19</p><p>  6.2.2封頭切應(yīng)力··

111、;····································

112、83;···19</p><p>  6.2.3封頭切應(yīng)力校核···························

113、···········19</p><p>  6.3圓筒周向應(yīng)力····················

114、························19</p><p>  6.3.1圓筒截面周向壓應(yīng)力······&

115、#183;···························20</p><p>  6.3.2圓筒鞍座邊角周向應(yīng)力··&

116、#183;·····························20</p><p>  6.3.3鞍座墊板邊緣處周向應(yīng)力

117、······························20</p><p>  6.3.3周向應(yīng)力校核

118、3;····································&#

119、183;··20</p><p>  6.4腹板水平拉應(yīng)力····························&

120、#183;·············20</p><p>  6.4.1支座腹板水平分力················

121、83;···················20</p><p>  6.4.2腹板有效截面內(nèi)水平拉應(yīng)力··········&

122、#183;·················21</p><p>  6.4.3應(yīng)力校核·············&

123、#183;······························21</p><p>  6.5鞍座壓縮應(yīng)力&

124、#183;····································

125、;·······21</p><p>  6.5.1地震載荷引起壓應(yīng)力·······················

126、···········21</p><p>  6.5.1.1水平地震力···················

127、83;····················21</p><p>  6.5.1.2腹板與筋板組合截面積·········&

128、#183;····················21</p><p>  6.5.1.3腹板與筋板組合截面系數(shù)········

129、3;···················21</p><p>  6.5.1.4地震載荷引起壓應(yīng)力··········

130、83;·····················22</p><p>  6.5.1.5溫度變化引起的壓應(yīng)力········&

131、#183;·····················22</p><p>  6.5.1.6應(yīng)力校核·········

132、;·································23</p><p&g

133、t;  6.6地震引起地腳螺栓應(yīng)力··································

134、;··23</p><p>  6.6.1傾覆力矩·····························

135、;···············23</p><p>  6.6.2地腳螺栓拉應(yīng)力···············&#

136、183;······················23</p><p>  6.6.3應(yīng)力校核········&#

137、183;···································23<

138、/p><p>  結(jié)論·································&

139、#183;·····················24</p><p>  參考文獻(xiàn)··········

140、····································

141、3;····25</p><p><b>  設(shè)計任務(wù)書</b></p><p><b>  設(shè)計時間安排</b></p><p>  從第17周(2015年12月14日)至第18周(2015年12月18日)。</p><p><b>  設(shè)計內(nèi)容安

142、排</b></p><p>  熟知相關(guān)的標(biāo)準(zhǔn)、規(guī)范及規(guī)定等相關(guān)資料;</p><p>  設(shè)備的設(shè)計計算及強(qiáng)度、穩(wěn)定性校核;</p><p>  編寫設(shè)計說明書一份;</p><p>  4.繪制1號裝配圖一張。</p><p><b>  設(shè)計條件</b></p>&

143、lt;p><b>  詳見附表一。</b></p><p><b>  設(shè)計要求</b></p><p>  學(xué)生要按照任務(wù)書要求,獨(dú)立完成容器的設(shè)備設(shè)計;</p><p>  計算單位一律采用國際單位;</p><p>  計算過程及說明應(yīng)清楚;</p><p>  

144、所有標(biāo)準(zhǔn)件均要寫明標(biāo)記或代號;</p><p>  設(shè)計說明書目錄要有序號、內(nèi)容、頁碼;</p><p>  6.設(shè)計說明書與裝配圖中的數(shù)據(jù)一致。如果裝配圖中有修改,在說明書中要注明變更;</p><p>  7.書寫工整,字跡清晰,層次分明;</p><p>  8.設(shè)計說明書要有封面和封底,橫向裝訂成冊。</p><p

145、><b>  符號說明</b></p><p>  ------鞍座中心線至封頭切線的距離,;</p><p>  ------一個支座的所有加強(qiáng)圈與圓筒起加強(qiáng)作用有效段的組合截面</p><p><b>  積之和,;</b></p><p>  ------設(shè)計溫度下,按GB150.3確定

146、的外壓應(yīng)力系數(shù),;</p><p>  ------常溫下,按GB150.3確定的外壓應(yīng)力系數(shù),;</p><p>  ------圓筒內(nèi)直徑,;</p><p>  ------圓筒外直徑,;</p><p>  ------每個支座的反力,;</p><p>  ------一個支座的所有加強(qiáng)圈與圓筒起加強(qiáng)作用的有

147、效段的組合截 </p><p>  面對該截面形心軸的慣性矩之和,;</p><p>  ------載荷組合系數(shù);</p><p><b>  ------系數(shù);</b></p><p>  ------封頭切線間距離,;</p><p>  ------圓筒中間處的軸向彎矩,;</p

148、><p>  ------支座處圓筒的軸向彎矩,;</p><p>  ------圓筒的平均直徑,;</p><p>  ------碟形封頭球面部分內(nèi)直徑,;</p><p>  ------圓筒內(nèi)直徑,;</p><p>  ———容器容積,取17.95;</p><p>  ------支座

149、的軸向?qū)挾?,?lt;/p><p>  ------加強(qiáng)圈的寬度,;</p><p>  ------圓筒的有效寬度,;</p><p>  ------計算圓筒與加強(qiáng)圈形成組合截面時,圓筒的有效寬度,;</p><p>  ------支座墊板寬度,;</p><p>  ------重力加速度;</p>

150、<p>  ------封頭曲面深度,;</p><p><b>  ------系數(shù)。</b></p><p>  ------容器質(zhì)量,;</p><p>  ------容器空質(zhì)量,;</p><p>  ------設(shè)計壓力,;</p><p>  ------計算壓力,;<

151、;/p><p><b>  ———介質(zhì)密度,;</b></p><p>  ------單位長度載荷,;</p><p>  ------碟形封頭過渡段轉(zhuǎn)角內(nèi)半徑,;</p><p>  ------圓筒有效厚度,;</p><p>  ------封頭有效厚度,;</p><p&

152、gt;  ------圓筒名義厚度,;</p><p>  ------封頭名義厚度,;</p><p>  ------鞍座墊板有效厚度,;</p><p>  ------鞍座墊板名義厚度,;</p><p>  ------鞍座包角,°;</p><p>  ------設(shè)計溫度下容器殼體材料的許用應(yīng)力

153、,;</p><p>  ------設(shè)計溫度下容器圓筒材料的軸向許用壓縮應(yīng)力,;</p><p>  ------常溫下容器圓筒材料的軸向許用壓縮應(yīng)力,;</p><p>  ------設(shè)計溫度下加強(qiáng)圈材料的許用應(yīng)力,;</p><p>  ------鞍座材料的許用應(yīng)力,;</p><p>  ------地腳螺

154、栓材料的許用應(yīng)力,;</p><p>  ------圓筒中間處橫截面內(nèi)最高、最低點(diǎn)處的軸向應(yīng)力,;</p><p>  ------支座處圓筒橫截面內(nèi)最高、最低點(diǎn)處的軸向應(yīng)力,;</p><p>  ------支座處圓筒橫截面最低處的周向應(yīng)力,;</p><p>  ------無加強(qiáng)圈時鞍座邊緣處的圓筒周向應(yīng)力,;</p>

155、<p>  ------無加強(qiáng)圈時鞍座墊板邊緣處的圓筒周向應(yīng)力,;</p><p>  ------加強(qiáng)圈與圓筒組合截面處上圓筒表面的最大周向應(yīng)力,;</p><p>  ------加強(qiáng)圈與圓筒組合截面上加強(qiáng)圈邊緣處的最大周向應(yīng)力,</p><p><b> ??;</b></p><p>  ------鞍

156、座腹板水平方向上的平均拉應(yīng)力,;</p><p>  ------由水平地震力引起的支座腹板與筋板組合截面的壓應(yīng)力,</p><p><b> ?。?lt;/b></p><p>  ------由溫度變化引起的支座腹板與筋板組合截面的壓應(yīng)力,;</p><p>  ------圓筒切向剪應(yīng)力,;</p><

157、;p>  ------加強(qiáng)圈靠近鞍座平面時,和的方位角,°;</p><p>  ------圓筒未被加強(qiáng)時,的方位角,°;</p><p>  ------圓筒剪應(yīng)力的方位角,°。</p><p><b>  設(shè)計計算</b></p><p><b>  1參數(shù)選取<

158、/b></p><p>  1.1設(shè)計壓力與計算壓力的確定</p><p>  已知設(shè)計壓力p為1.0Mpa,元件承受液柱靜壓力小于5%設(shè)計壓力,所以取計算壓力為1.0Mpa。</p><p>  1.2設(shè)計溫度的確定</p><p>  已知設(shè)計溫度為200℃,取操作溫度為200℃。</p><p><b

159、>  1.3厚度附加量</b></p><p>  1.3.1厚度負(fù)偏差</p><p>  取厚度負(fù)偏差為0.3mm。</p><p><b>  1.3.2腐蝕裕量</b></p><p>  取腐蝕裕量為2mm。</p><p><b>  1.4焊接接頭系數(shù)&l

160、t;/b></p><p>  選擇雙面焊對接接頭和相當(dāng)于雙面焊的全熔透對接接頭,無損檢測比例為局部,所以取為0.85。</p><p><b>  2筒體</b></p><p><b>  2.1筒體材料</b></p><p>  介質(zhì)無特有會影響儲罐的性質(zhì),所以選擇Q345R作為儲罐筒

161、體和封頭的材料。</p><p><b>  2.2筒體許用應(yīng)力</b></p><p>  按Q345R,200℃時計算。</p><p><b>  2.3筒體厚度</b></p><p>  2.3.1筒體計算厚度</p><p>  2.3.2筒體設(shè)計厚度</p

162、><p>  2.3.3筒體名義厚度</p><p>  ,沒有變化,所以取名義厚度12mm合適。</p><p>  2.3.4筒體有效厚度</p><p>  2.4筒體厚度水壓試驗校核</p><p>  2.4.1耐壓試驗壓力</p><p><b>  按Q345R,查</

163、b></p><p>  2.4.2筒體薄膜應(yīng)力</p><p>  2.4.3耐壓試驗時容器強(qiáng)度校核</p><p><b>  所以厚度合適。</b></p><p><b>  3封頭</b></p><p><b>  3.1封頭選型</b>

164、;</p><p>  由于壓力和溫度都不高,所以選擇橢圓形封頭,為方便計算,選擇標(biāo)準(zhǔn)橢圓形封頭,所以K=1。</p><p><b>  3.2封頭厚度</b></p><p>  3.3封頭厚度水壓試驗校核</p><p>  3.3.1封頭設(shè)計厚度</p><p>  3.3.2封頭名義厚度

165、</p><p>  ,沒有變化,所以取名義厚度12mm合適。</p><p>  3.3.3封頭有效厚度</p><p>  3.4封頭厚度水壓試驗校核</p><p>  3.4.1耐壓試驗壓力</p><p><b>  按Q345R,查</b></p><p>  

166、3.4.2封頭薄膜應(yīng)力</p><p>  3.4.3耐壓試驗時封頭強(qiáng)度校核</p><p><b>  所以厚度合適。</b></p><p><b>  4附件選擇</b></p><p><b>  4.1支座</b></p><p>  選擇雙鞍

167、式支座,根據(jù)JB/T4712.1選取,由于筒體內(nèi)徑為2000mm,所以選輕型,包角選擇120°,有墊板,4個筋板。</p><p><b>  4.2法蘭</b></p><p>  根據(jù)JB/T4700-2000,由于筒體內(nèi)徑為2000mm,所以選平焊乙型法蘭,PN=0.25Mpa,材料選擇20R。</p><p><b>

168、;  4.3墊片</b></p><p>  由于法蘭選擇為乙型,所以選非金屬軟墊片,根據(jù)GB/T3985選擇石棉橡膠板。</p><p><b>  4.4加強(qiáng)圈</b></p><p>  該儲罐不設(shè)置加強(qiáng)圈。</p><p><b>  4.5補(bǔ)強(qiáng)圈</b></p>

169、<p><b>  4.5.1補(bǔ)強(qiáng)判別</b></p><p>  根據(jù)表4-15,允許不另行補(bǔ)強(qiáng)的最大接管外徑為,此壓力容器中接管DN=250mm,故須另行考慮其補(bǔ)強(qiáng)。</p><p>  4.5.2補(bǔ)強(qiáng)計算方法判別</p><p>  開孔直徑,此蒸汽出口直徑d=254.6mm<=1000mm,滿足等面積法開孔補(bǔ)強(qiáng)計算的適用

170、條件,故可用等面積法進(jìn)行開孔補(bǔ)強(qiáng)計算。</p><p>  4.5.3開孔所需補(bǔ)強(qiáng)面積</p><p>  4.5.3.1封頭計算厚度</p><p>  對于內(nèi)壓圓筒上的開孔,為按周向應(yīng)力計算而得的計算厚度,即=6.44mm。</p><p>  4.5.3.2開孔所需補(bǔ)強(qiáng)面積</p><p><b>  

171、接管有效厚度,所以</b></p><p>  =250×6.44+2×6.44×3.7×(1-0.63)=1627.63mm</p><p>  4.5.4有效補(bǔ)強(qiáng)范圍</p><p>  4.5.4.1有效寬度B</p><p><b>  所以 </b>

172、;</p><p>  4.5.4.2有效高度</p><p>  外側(cè): </p><p>  所以 </p><p><b>  內(nèi)側(cè): </b></p><p>  所以 </p><p>  4.5.5有效補(bǔ)強(qiáng)面積&

173、lt;/p><p>  4.5.5.1封頭多余金屬面積</p><p><b>  封頭有效厚度,所以</b></p><p>  4.5.5.2接管多余金屬面積</p><p>  接管計算厚度 </p><p>  接管多余金屬面積 </p&

174、gt;<p>  4.5.5.3接管區(qū)焊縫面積</p><p>  4.5.5.4有效補(bǔ)強(qiáng)面積</p><p>  4.5.6所需另行補(bǔ)強(qiáng)面積</p><p>  4.5.7補(bǔ)強(qiáng)圈設(shè)計</p><p>  根據(jù)接管公稱直徑DN250選補(bǔ)強(qiáng)圈,參照補(bǔ)強(qiáng)圈標(biāo)準(zhǔn)JB/T 4736取補(bǔ)強(qiáng)圈外徑=480mm,內(nèi)徑=277mm,因B=500

175、mm>,補(bǔ)強(qiáng)圈在有效補(bǔ)強(qiáng)范圍內(nèi)。</p><p><b>  補(bǔ)強(qiáng)圈厚度為</b></p><p>  考慮鋼板負(fù)偏差并經(jīng)圓整,取補(bǔ)強(qiáng)圈名義厚度為6mm,但為便于制造時準(zhǔn)備材料,補(bǔ)強(qiáng)圈名義厚度也可取為封頭的厚度,即=12mm。</p><p><b>  5儲罐支座反力計算</b></p><p&

176、gt;<b>  5.1儲罐質(zhì)量</b></p><p><b>  5.1.1筒體質(zhì)量</b></p><p><b>  5.1.2封頭質(zhì)量</b></p><p><b>  5.1.3附件質(zhì)量</b></p><p>  由于附件質(zhì)量相對筒體與封頭

177、質(zhì)量較小,故忽略不計,即。</p><p>  5.1.4充氣、液質(zhì)量</p><p>  5.1.5保溫層質(zhì)量</p><p><b>  5.1.6總質(zhì)量</b></p><p>  5.1.6.1操作時質(zhì)量</p><p>  5.1.6.2壓力實驗時質(zhì)量</p><p&

178、gt;<b>  5.2支座反力</b></p><p>  5.2.1操作時反力</p><p>  5.2.2壓力實驗時反力</p><p>  5.2.3支座反力選取</p><p><b>  5.3彎矩</b></p><p>  5.3.1圓筒中間橫截面</

179、p><p><b>  5.3.2鞍座平面</b></p><p>  6圓筒應(yīng)力計算與校核</p><p><b>  6.1圓筒軸向應(yīng)力</b></p><p>  6.1.1內(nèi)壓未加壓</p><p><b>  6.1.2內(nèi)壓加壓</b></p

180、><p><b>  6.1.3外壓加壓</b></p><p>  6.1.4外壓未加壓</p><p><b>  6.1.5未加壓</b></p><p><b>  6.1.6加壓</b></p><p>  6.1.7軸向應(yīng)力校核</p>

181、;<p><b>  查圖,取,</b></p><p><b>  所以,</b></p><p><b>  所以應(yīng)力合格。</b></p><p>  6.2圓筒和封頭切應(yīng)力</p><p>  6.2.1圓筒切應(yīng)力</p><p>

182、  由于,所以圓筒被封頭加強(qiáng)</p><p>  6.2.2封頭切應(yīng)力</p><p>  6.2.3封頭切應(yīng)力校核</p><p><b>  所以切向應(yīng)力合格。</b></p><p><b>  6.3圓筒周向應(yīng)力</b></p><p>  6.3.1圓筒截面周向壓應(yīng)

183、力</p><p>  所以 </p><p>  6.3.2圓筒鞍座邊角周向應(yīng)力</p><p>  6.3.3鞍座墊板邊緣處周向應(yīng)力</p><p>  6.3.3周向應(yīng)力校核</p><p><b>  所以周向應(yīng)力合格。</b></p>&

184、lt;p>  6.4腹板水平拉應(yīng)力</p><p>  6.4.1支座腹板水平分力</p><p>  6.4.2腹板有效截面內(nèi)水平拉應(yīng)力</p><p><b>  6.4.3應(yīng)力校核</b></p><p><b>  所以合格。</b></p><p><b

185、>  6.5鞍座壓縮應(yīng)力</b></p><p>  6.5.1地震載荷引起壓應(yīng)力</p><p>  6.5.1.1水平地震力</p><p>  6.5.1.2腹板與筋板組合截面積</p><p>  6.5.1.3腹板與筋板組合截面系數(shù)</p><p>  6.5.1.4地震載荷引起壓應(yīng)力<

186、;/p><p>  6.5.1.5溫度變化引起的壓應(yīng)力</p><p>  6.5.1.6應(yīng)力校核</p><p><b>  所以合格。</b></p><p>  6.6地震引起地腳螺栓應(yīng)力</p><p><b>  6.6.1傾覆力矩</b></p><

187、;p>  6.6.2地腳螺栓拉應(yīng)力</p><p><b>  6.6.3應(yīng)力校核</b></p><p><b>  所以應(yīng)力合格。</b></p><p><b>  結(jié)論</b></p><p>  本次課程設(shè)計所設(shè)計的是臥式壓力容器,設(shè)計筒體和封頭的名義厚度為12

188、mm。根據(jù)JB/T4712.1選擇雙鞍式支座,輕型,包角120°,有墊板,4個筋板。根據(jù)JB/T4700-2000,選平焊乙型法蘭,PN=0.25Mpa,材料選擇20R。墊片選非金屬軟墊片,根據(jù)GB/T3985選擇石棉橡膠板。不設(shè)置加強(qiáng)圈。計算了筒體、封頭、附件等質(zhì)量;計算了支座所受的力及其反力;計算了彎矩;并據(jù)此計算了筒體的軸向應(yīng)力,且應(yīng)力校核合格;計算了筒體和封頭的切應(yīng)力,且應(yīng)力校核合格;計算了腹板的水平拉力,且應(yīng)力校核合

189、格;計算了鞍座壓縮應(yīng)力,且應(yīng)力校核合格。</p><p>  最終確定所選儲罐厚度合適,各部件選擇合適,能滿足各向應(yīng)力,達(dá)到要求,所以此次設(shè)計合格。</p><p>  通過這次的設(shè)計學(xué)習(xí),對書本上的知識有了更充分的認(rèn)識。同時,對設(shè)計的完成培養(yǎng)了個人動手能力,實踐能力。使我們對壓力容器了解的更加透徹。</p><p><b>  參考文獻(xiàn)</b>

190、;</p><p>  [1].GB150-2011.鋼制壓力容器[S].中華人民共和國國家質(zhì)量監(jiān)督檢驗檢疫總局.</p><p>  [2].JB4731-2005.鋼制臥式容器[S].中華人民共和國國家發(fā)展和改革委員會.</p><p>  [3].NB/T47042-2014.臥式容器[S].中華人民共和國國家能源局.</p><p>

191、  [4].JB/T4712-2007.容器支座[S].中華人民共和國國家發(fā)展和改革委員會.</p><p>  [5].JB/T4702-2000.乙型平焊法蘭[S].中華人民共和國國家機(jī)械工業(yè)局.</p><p>  [6].JB/T4736-2002.補(bǔ)強(qiáng)圈[S].中華人民共和國國家經(jīng)濟(jì)貿(mào)易委員會.</p><p>  [7].JB/T4746-2002.鋼制

192、壓力容器用封頭[S].中華人民共和國國家經(jīng)濟(jì)貿(mào)易委員會.</p><p>  [8].謝鐵軍,壽比南,王曉雷,李軍.《固定式壓力容器安全技術(shù)監(jiān)察規(guī)程》釋義[M].北京:新華出版社,2009.</p><p>  [9].鄭津洋,董其伍,桑芝富.過程設(shè)備設(shè)計[M].北京:化學(xué)工業(yè)出版社,2010</p><p>  過程設(shè)備設(shè)計---課程設(shè)計</p>&

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論