6.2.2 加热设备和贮热设备认知 Cognition of Heating Equipment and Heat Storage Equipment-1733558757257

6.2.2加热设备和贮热设备认知CognitionofHeatingEquipmentandHeatStorageEquipment一、局部加热设备Localheatingequipment1.燃气热水器Gaswaterheater天然气Naturalgas焦炉煤气Cokeovengas液化石油气Liquefiedpetroleumgas混合煤气Mixedgas燃气热水器的热源有天然气、焦炉煤气、液化石油气和混合煤气4种。Forthegaswaterheater,theheatsourcesincludenaturalgas,cokeovengas,liquefiedpetroleumgas,andmixedcoalgas.一、局部加热设备Localheatingequipment2.电热水器Electricwaterheater该类热水器具有体积小、重量轻、热损失少、效率高、容易调节水量和水温、使用安装简便等优点，但电耗大，尤其在一些缺电地区使用受到限制。Thiskindofwaterheaterissmallandlight.Moreover,ithaslittleheatloss,highefficiency,easyadjustmentofwaterquantityandtemperature,andsimpleuseandinstallation,butitconsumesmuchelectricity,especiallyinsomepowershortageareaswhereitsuseislimited.一、局部加热设备Localheatingequipment3.太阳能热水器Solarwaterheater优点：结构简单、维护方便、节省燃料、运行费用低、不存在环境污染问题。Advantages:ithasasimplestructureandisconvenienttomaintain.Moreover,itsavesfuel,haslowoperationcosts,andcausesnoenvironmentalpollution.缺点：受天气、季节、地理位置等影响不能连续稳定运行，为满足用户要求需配置贮热和辅助加热设施、占地面积较大，布置受到一定的限制。Disadvantages:influencedbyweather,seasonandgeographicallocation,itcannotoperatecontinuouslyandstably.Tomeettherequirementsofconsumers,itisnecessarytoprovideheatstorageandauxiliaryheatingfacilities,thuscoveringalargearea,sothelayoutisrestricted.二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem1.热水锅炉Hotwaterboiler集中热水供应系统采用的热水锅炉主要有燃煤、燃油和燃气3种。Therearemainlythreetypesoffuelsforthehotwaterboilerusedinthecentralizedhotwatersupplysystem:coal,oilandgas.二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem2.水加热器Waterheater集中热水供应系统中常用的水加热器有：Waterheaterscommonlyusedinthecentralizedhotwatersupplysystemare:容积式水加热器Positivedisplacementwaterheater快速式水加热器Instantaneouswaterheaters半容积式水加热器Semi-positivedisplacementwaterheater半即热式水加热器Semi-instantaneouswaterheater二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem容积式水加热器是内部设有热媒导管的热水贮存容器，具有加热冷水和贮备热水两种功能，热媒为蒸汽或热水，有卧式和立式之分。Thevolumetricwaterheaterisahotwaterstoragecontainerwithaheatmediumconduitinside.Ithastwofunctionsofheatingcoldwaterandstoringhotwater.Theheatmediumissteamorhotwater,anditisdividedintohorizontaltypeandverticaltype.1容积式水加热器Positivedisplacementwaterheater容积式水加热器Positivedisplacementwaterheater二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem适用于用水量大，而且比较均匀的热水供应系统或建筑物热水采暖系统。Suitableforthehotwatersupplysystemwithlargeanduniformwaterconsumptionorhotwaterheatingsystemsinbuildings.2快速式水加热器Instantaneouswaterheaters二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem半容积式水加热器是带有适量贮存与调节容积的内藏式容积式水加热器。Thesemi-volumetricwaterheaterisabuilt-involumetricwaterheaterwithappropriatestorageandregulationvolume.3半容积式水加热器Semi-positivedisplacementwaterheater二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem半即热式水加热器是带有超前控制，具有少量贮存容积的快速式水加热器。Thesemi-instantwaterheaterisaninstantwaterheaterwithanadvancecontrolandasmallstoragevolume.4半即热式水加热器Semi-instantaneouswaterheater二、集中热水供应系统的加热设备HeatingEquipmentofCentralizedHotWaterSupplySystem3.加热水箱和热水贮水箱Heatingtanksandhotwaterstoragetanks加热水箱适用于公共浴室等用水量大而均匀的定时热水供应系统。Theheatingwatertankissuitableforregularhotwatersupplysystemswithlargeanduniformwaterconsumptioninplacessuchaspublicbathrooms.热水贮水箱（罐）是一种专门调节热水量的容器。可在用水不均匀的热水供应系统中设置，以调节水量，稳定出水温度。Thehotwaterstoragetankisacontainerthatspeciallyregulatestheamo