肃清流毒影响获得了辉煌的成就,通过参观学习,认识到了为什么会有腐败案例,知道了要铭记初心,不断的提高自我素质Ellipticityofelbowpipeswithdiameterslessthanorequalto150mmmustbenotgreaterthan8%diameterof200mmorlessshallnotbegreaterthan6%.Wallthicknessofthepipewallthinningratemustnotexceedtheoriginal15%.Creaseroughness:diameter125mmorless,shallnotexceed3mmdiameterlessthanorequalto200mm,notmorethan4mm.7.3.9simmeringbendingproductionofsquaresteeltubeextension,tousethewholetubebending.Interfaceifnecessary,theweldingpositionshouldbelocatedinthemiddleoftheverticalarm.7.3.10installexpansionjointsshouldbedone.Ifdesignisnotrequired,pipecompensatorlengthenshouldconformtotherequirementsinthefollowingtable:squarescalelengthδxisequalto1/2.Prestretchtolerance:casing+5mm,+10mm.7.3.11pipeform,location,spacingshallmeetthedesignandspecifications.7.3.12pipingonbackorreturnpipeathigherlevelsoftheuppertoautomaticvalvetoinstalladrainvalvebelowthehorizontalparts.7.3.13supportsandhangersofchecksandthenumber1)hangerinstalledmustbecheckedbeforeinstallationofsupportsandhangerspartmodels,specificationsofspringssettingvalues,whetherthematerialsmeettherequirementsofdrawingsanddocuments;2)supportsandhangersofmaterial,sizeandaccuracyshallconformtotheprovisionsofthedesigndrawings,materialtechnicalrequirementsshouldbeconsistentwithnationalstandards,industrystandardsandtechnicalrequirementsrelatedtothealloyspectrumreviewshouldbecarriedout;3)pipesupportsandhangerspartplantproductqualitycertificateforeachvariablespringsupports,constantsupporthangers,dampers,damperfunction,thereshouldbefactorycalibratedtest第一章规划背景民勤县红沙岗和唐家鄂博山一带,煤炭和石墨、油页岩储量丰富。红沙岗矿区煤炭种类为长焰煤,赋存条件较好,煤层稳定,倾角在7-15度之间,属近水平和缓倾斜煤层,因地埋较深,适于建大中型矿井,品质高,易开采,现已探明C级+D级总储量达4.1亿吨。矿区地处戈壁荒漠,地势平坦,地下水资源充足,利于开发建设。在民勤县政府开发协调领导小组和红沙岗矿区管委会的大力支持下,内蒙古太西煤集团于2003年10月出资1394万元,依法取得了红沙岗矿区面积51.7平方公里、储量2.1亿吨的煤炭资源探矿权和综合开发权。在年产510万吨原煤矿井建成后,煤矿开采工程按年产煤不低于500万吨投资约6亿元,销售收入每年可达9亿元。内蒙太西煤集团将在5年内建设2×30万千瓦坑口发电厂、30万吨碳素厂、60万吨原煤干馏生产线、240万吨/年洗煤厂、6000吨石墨精加工生产线和红沙岗至金昌80公里铁路专用线等项目,总投资达33亿元。目前煤炭开采、水资源勘测、铁路专用线及石墨矿等多个工程已启动。红沙岗煤炭工业矿区的建设将使河西走廊地区煤炭市场短缺的局面得到缓减,且煤炭产品加工、坑口发电厂、铁路专用线等项目的建成将带动甘肃金昌、民勤、内蒙阿拉善等地的其他工业产业和电力、运输业等相关产业发展,使企业效益和民勤县以农业为主的地方经济发展发生巨大变化。350平方公里范围内年开采量可达500万方的地下水资源的开发利用将使该地区恶劣的自然环境条件得到改善,同时矿区工业生产和服务产业可带来相当数量的就业机会,使民勤部分生态环境日趋恶化地区的农业人口得到肃清流毒影响获得了辉煌的成就,通过参观学习,认识到了为什么会有腐败案例,知道了要铭记初心,不断的提高自我素质Ellipticityofelbowpipeswithdiameterslessthanorequalto150mmmustbenotgreaterthan8%diameterof200mmorlessshallnotbegreaterthan6%.Wallthicknessofthepipewallthinningratemustnotexceedtheoriginal15%.Creaseroughness:diameter125mmorless,shallnotexceed3mmdiameterlessthanorequalto200mm,notmorethan4mm.7.3.9simmeringbendingproductionofsquaresteeltubeextension,tousethewholetubebending.Interfaceifnecessary,theweldingpositionshouldbelocatedinthemiddleoftheverticalarm.7.3.10installexpansionjointsshouldbedone.Ifdesignisnotrequired,pipecompensatorlengthenshouldconformtotherequirementsinthefollowingtable:squarescalelengthδxisequalto1/2.Prestretchtolerance:casing+5mm,+10mm.7.3.11pipeform,location,spacingshallmeetthedesignandspecifications.7.3.12pipingonbackorreturnpipeathigherlevelsoftheuppertoautomaticvalvetoinstalladrainvalvebelowthehorizontalparts.7.3.13supportsandhangersofchecksandthenumber1)hangerinstalledmustbecheckedbeforeinstallationofsupportsandhangerspartmodels,specificationsofspringssettingvalues,whetherthematerialsmeettherequirementsofdrawingsanddocuments;2)supportsandhangersofmaterial,sizeandaccuracyshallconformtotheprovisionsofthedesigndrawings,materialtechnicalrequirementsshouldbeconsistentwithnationalstandards,industrystandardsandtechnicalrequirementsrelatedtothealloyspectrumreviewshouldbecarriedout;3)pipesupportsandhangerspartplantproductqualitycertificateforeachvariablespringsupports,constantsupporthangers,dampers,damperfunction,thereshouldbefactorycalibratedtest2迁移转型,遏制沙进人退的局面并使全县生态环境逐步得到改善。为发展地方经济,实现农业人口的转型和增加就业,服务红沙岗矿区生产生活,民勤县政府决定以红沙岗矿区为依托规划建设红沙岗小城镇并已获甘肃省民政厅批准为建制镇。第二章现状概况第一节县域自然条件、资源与社会经济发展状况一、自然条件及资源状况(一)地理位置民勤县位于河西走廊东北部,石羊河流域下游。地理坐标在东径103°2'至104°2',北纬38°5'至39°6'之间。全县东、西、北三面被腾格里沙漠和巴丹吉林沙漠包围。县域总面积为16016平方公里。其中:沙漠、戈壁、低山残丘面积约占83.68%,农区绿洲面积约占16.32%。(二)气候及气象民勤地处腾格里沙漠与巴丹吉林沙漠之间,为典型的沙漠干旱性气候。常年干燥,降水少,蒸发大,冬冷夏热,昼夜温差悬殊,日照长,风沙多,年太阳辐射总量为137.22千卡/厘米2,年日照时数为3028小时;年平均降水量为115毫米,蒸发量2644毫米;平均相对湿度最大为53%,年平均气温7.8℃,年极端最高气温39.5℃,年极端最低气温-27.3℃,无霜期162天(日最低气温≥0℃计)。地面平均温度9.9℃,历年最大冻土深度115厘米;全年大风日数28天,沙暴日数37天;全年最多为西北风,平均风速2.8米/秒,最大风速28米/秒,扬沙日71天。-3-民勤县红沙岗镇建设规划-----说明书肃清流毒影响获得了辉煌的成就,通过参观学习,认识到了为什么会有腐败案例,知道了要铭记初心,不断的提高自我素质Ellipticityofelbowpipeswithdiameterslessthanorequalto150mmmustbenotgreaterthan8%diameterof200mmorlessshallnotbegreaterthan6%.Wallthicknessofthepipewallthinningratemustnotexceedtheoriginal15%.Creaseroughness:diameter125mmorless,shallnotexceed3mmdiameterlessthanorequalto200mm,notmorethan4mm.7.3.9simmeringbendingproductionofsquaresteeltubeextension,tousethewholetubebending.Interfaceifnecessary,theweldingpositionshouldbelocatedinthemiddleoftheverticalarm.7.3.10installexpansionjointsshouldbedone.Ifdesignisnotrequired,pipecompensatorlengthenshouldconformtotherequirementsinthefollowingtable:squarescalelengthδxisequal