太原会议ppt04-konrad aicher

1、Smart Metering for district heating集中供热的智能抄表 GSL Heat Metering Conference - April 2017Konrad AicherAgenda 主要内容1.Diehl Metering at a glance 关于代傲表计2.Challenges for district heating suppliers 供热企业的挑战Changing environment conditions by funding of insulation通过增加隔热投入来减少外界 Impacts on effectiveness of energy

2、 distribution提高配送上的效率 High flow temperatures 高水温Small spreading 小温差 Load peaks 负荷峰值 3.Diehl Smart Metering solution 代傲表计的智能抄表Smart Metering for district heating 26.04.2017 Diehl Metering21. Brief portrait of the Diehl Group代傲集团简介 Diehl GroupDiehl MeteringCorporate Divisions of Diehl:Smart Metering f

3、or district heating 26.04.2017 Diehl Metering3销售:3.17 billion Euro*员工:16,100*总部:Nuremberg始于1902年 的企业 1. Diehl Metering 代傲表计Key figures 数据 Diehl GroupDiehl MeteringSmart Metering for district heating 26.04.2017 Diehl Metering4销售:310 Million Euro*员工:1,800*7.0 million Measuring units p.a.5.0 million Ra

4、dio modules p.a.*20151. Diehl Metering 代傲表计Product range 产品范围 Diehl GroupDiehl MeteringMeters 仪表 Energy meters - Water meters - Gas meters - Electricity meters能量表，水表，燃气表， System & Software 系统和软件 Communication modules - Gateways - Data loggers - MDM software通讯模块，网关，数据日志，数据管理软件 Meter Management 表计管理 M

5、eter selection - Meter installation - Meter maintenance仪表选型，仪表安装，仪表维修 System Management 系统管理Planning - Installation - Support - Operation 系统规划，系统安装，系统维护，系统运行 Data Management 数据管理 Hosting - Validation/data mining - Process integration - Reporting托管服务，数据校验与挖掘，业务整合，报表 Smart Metering for district heatin

6、g 26.04.2017 Diehl Metering52. Challenges for district heating集中供热的挑战Funding of insulation for houses对住宅增加隔热投入Higher insulation has a negative effect on the efficiency of districtheating.过高的隔热对效率有影响consumption family homeper yearloss in grid %60管网消耗家庭年耗热MWh%MWh15Start of funding开始投入 1040520governmen

7、t funded insulation政府投入的隔热 00year1970198019902000201020202030Smart Metering for district heating 26.04.2017 Diehl Metering62. Challenges for district heating集中供热的挑战Funding of insulation for houses对住宅增加隔热投入Reaction of utilities to address thi.s negative effect: 供热公司对此影响的的应对措施Reduction of the distance

8、s be tween plant and consumer 减少热源厂到用户的距离 Optimization of grid planning 优化网络布置 Increase of the power station density 增加热源点的密度 Required conditions:所需条件 Accurate data on the consumption relative to the whole year 整年与消耗相关的准确数据 Information about the peak values of districts 该区域的峰谷值信息 Smart metering by D

9、iehl Metering IZAR system can provide the required data:代傲表计的IZAR系统能够完全准确地提供所需要的信息 Smart metering can provide this data.Grafik einer Verbrauchskurve aus der NET2Smart Metering for district heating 26.04.2017 Diehl Metering72. Challenges for district heating集中供热的挑战 Impact on effectiveness Flow temper

10、ature水温影响效率High flow temperatures are poor for efficiency of district heating.在集中供热中，高供水温度对效率不好管网消耗lossin grid40 %3020flow temperature流水温度 C10Unknown flow temperature at the end of each supply line在每个供热管段的末端温度未知 708090100110? ?Flow temperature is setto a high level to guarantee the agreed temperatur

11、e (65C)设定高供水温度来保障协议的(65C)100C?Smart Metering for district heating 26.04.2017 Diehl Metering82. Challenges for district heating集中供热的挑战 Impact on effectiveness Flow temperature水温影响效率Target of utilities to manage the uncertainty:供热企业应对方式 Manage the flow temperature for amost efficient supply of the the

12、rmal energy管理介质温度以最大提高效率 管网消耗lossin grid40 %Required conditions:所需条件 Knowledge of the flow temperature at the end of each supply line.在每个供热管段末端的介质温度信息 3020flow temperature流水温度 C10Known flow temperature at the end of each supply line在每个供热管段末端温度已知 70809010011087C100C - 22C - 78CFlow temperature is set

13、to a high level to guarantee the agreed temperature (65C)设定高供水温度来保障协议的(65C)87C - 65C - 22C92C - 65C - 27C90C - 65C - 25C92C100C90CSmart Metering for district heating 26.04.2017 Diehl Metering92. Challenges for district heating集中供热的挑战 Impact on effectiveness Flow temperature水温影响效率flow temperature流水温度

14、 C70809010011065C100C - 22C - 78C78C70CReduction of 22C flow temperature leads to a gain of 10% indistrict heating efficiency减少22C的介质温度将会给集中供热提高10%的效率 68CSmart Metering for district heating 26.04.2017 Diehl Metering10管网消耗%Lossin grid40 %30+1effi0%ciency20102. Challenges for district heating集中供热的挑战 I

15、mpact on effectiveness Small spreading小温差影响效率A small spreading of flow and backflow temperature is bad for efficiency of district heating.小温差和回水温度对效率有影响 Tf - Tb = T = spreadingThe spreading depends on: 温差取决于The energy consumption behavior and用热习惯和The technical condition of the chiller and valves.散热和

16、阀门的技术情况 Smart Metering for district heating 26.04.2017 Diehl Metering11泵消耗Pumpcost30.00020.00010.000Spreading10152025303540450温差CNo knowledge about individual spreading at each consumer2000 family homes / per a / 2000m /DN300不知道每个用户家里额温差 ? ? ? ?2000户/年/2000m/DN300No opportunity to increase spreading

17、 没有机会增加温差 2. Challenges for district heating集中供热的挑战 Impact on effectiveness Small spreading小温差影响效率Target of utilities to manage the uncertainty:供热企业应对方式 Increase of spreading by 8C will reduce the pump cost by 50%增大8C将减少50%的泵损耗 Advise consumer in better consumption behaviorand repair defect chiller,

18、 valves,to increase spreading建议用户改进用热习惯，维护好散热器，阀门，提高温差Smart Metering for district heating 26.04.2017 Diehl Metering12Manage the spreading to reduce theelectric energy for the pumps减小温差来减小泵的电能损耗 Required conditions:所需条件 Knowledge of the flow and backflow temperature in each household知道每套房间的进回水温度信息 Sp

19、reading1015202530354045温差CKnow spreading at each consumer2000 family homes / per a / 2000m /DN300知道个用户家的温差 14 12 21 15 23 24 1911 23 24 13 2413 16 23 11 1214 1822 25 24 15 22 17泵消耗 Pumpcost30.00020.000- 50pump%cost10.00002. Challenges for district heating集中供热的挑战Impact on effectiveness Load peaks峰谷值影

20、响效率Load peaks require high reserves which impair the efficiency of district heating.负载的峰值需要高裕量，影响效率 Smart Metering for district heating 26.04.2017 Diehl Metering13效率Load%10080604020Daytime0时间 03691215182124HospitalSchool医院学校 No knowledge to cut the peak没有消减峰值的技术能力 2. Challenges for district heating集

21、中供热的挑战Impact on effectiveness Load peaks峰谷值影响效率Target of utilities to manage the peak temperatures:管理峰值温度目的 啤酒厂Smart Metering for district heating 26.04.2017 Diehl Metering14Capping of load peaks leads tosmaller fluctuations and power bandwidth to provide e.g. capacity for additional Consumers平抑峰谷会减少波动和用电带宽，给额外用户供应 Required conditions