城市燃气管网毕业设计(含图纸)城市燃气管网毕业设计(含图纸)城市燃气管网毕业设计(含图纸)摘要工业化和城市化进程决定了中国将处于资源环境压力的上升阶段。矿产资源、特别是能源供给不足，煤炭消费在我国能源结构中仍占70％以上，由于煤炭的大量使用,造成大气严重污染；能源结构的落后，已成为我国经济发展的主要障碍。为保护环境、减少污染、提高居民生活质量，现在必须对能源结构加以改善和优化.近年来石油、LPG进口不断增加,因此,天然气产品作为清洁能源将会日益得到人类的青睐，天然气产业将会受到政府的高度重视而积极推动发展。铜川市新区位于陕西省中部，处于关中平原向陕北黄土高原的过渡地带，是关中经济带的重要组成部分，介于东经108°34′-109°29′、北纬34°50′-35“34′之间，是陕西省省辖市,新区现有人口20万左右，至2015年达到30万，总面积为45平方公里，城区为18平方公里左右，作为新建市区，政府大力推行天然气洁净能源，从而减少污染，加快城市经济建设.关键字：天然气燃气管网环境保护供气规划AbstractTheindustrializationandtheurbanizedadvancementhaddecidedChinawillbeintheresourcesenvironmentpressuretheascentstage.Themineralresource，isspeciallytheenergysuppliesisinsufficient,Thecoalexpendedinourcountryenergystructurestillaccountedforabove70％,Asaresultofthecoalmassiveuses,causetheatmospheretopolluteseriously；Energystructure’sbackwardness，hasbecomeourcountryeconomicdevelopmentthechiefobstacle.Inordertoprotecttheenvironment,thereducedpollution，toimprovetheresidentqualityoflife,mustimproveandtheoptimizationtotheenergystructure.Inrecentyearsthepetroleum，LPGtheimportincreasedunceasingly,Therefore,thenaturalgasproductwilltakethecleanenergytoobtainhumanity’sfavordaybyday，thegasindustrywillreceivethegovernmenttotakeseriouslytopromotethedevelopmentpositively。TongchuannewlydevelopedarealocatedatShanxiProvincemiddle,IsintheguanzhongplaintotheNorthShanxiLoessHighlandszoneoftransition,istheGuanzhongeconomicalbelt'simportantcomponent，Issituatedbetweentheeastlongitude108°34’—109°29',thenorthlatitude34°50'—35“34’，IstheShaanxiProvincemunicipality，Thenewlydevelopedareaexistingpopulationabout200，000，achieves300,000peopleto2015，Thetotalareais45squarekilometers，thecityisabout18squarekilometers，Asnewlybuilturbandistrict，Thegovernmentcarriesoutthenaturalgaspureenergyvigorously，thusthereducedpollution,speedsuptheurbaneconomyconstruction.Keywords：FuelNaturalgas；Fuelgaspipenetwork；Environmentalprotection;AirfeedplanTOC\o”1-3"\u第1章绪论PAGEREF_Toc200367156\h61。1城市燃气的重要性PAGEREF_Toc