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district heating 分區供暖系統〔可供應同一地區內暖氣或熱水需求的中央系統〕...

district man

Firstly , aiming at solving the difficult problem in scheduling control of the heating load in a practical district heating system , a strategy is proposed which can realize the real balance between the quantity of heat needed for the resident and the quantity of heat provided by heating plant 首先,針對目前供熱系統熱源負荷控制中的難點問題,提出了通過綜合分析系統運行數據,間接提煉出供熱系統熱負荷需求模式,并通過動態預測補償的方法以實現真正意義上的按需供熱。

A total of 247 exhibitors from 18 countries & regions participated in the show , including a large group from germany of 35 companies , and a group from the danish board of district heating with seven companies . there was also a large offering of italian products and equipment at the show , with 24 companies from italy taking part 今屆展會共有來自18個國家及地區的247名參展商,當中包括了由35間公司組成的德國展團,及由丹麥區域供熱委員會組織包含7間公司的丹麥展團。此外還有24間義大利公司,為展會帶來大量義大利產品及設備。

Based on the economical district heating meteorological model and its index system established by meteorology - heating experiment data in the past , and relied on the routine meteorological operational system , and access2000 data base system , beijing economical district heating meteorological forecast system is developed through using mixing programming technology of fortran and vc computer language that is put into application in the beijing special meteorological observatory and beijing district heating group company during the heating period of 2002 - 2003 , offering the basis for real time heat dispatching 摘要以氣象熱力試驗數據建立的供熱氣象節能模式、指標體系為依據,依托常規氣象業務系統,選取access2000作為數據庫系統,利用fortran和vc計算機語言的混合編程技術,開發了北京城市集中供熱節能氣象預報系統,并于2002 ~ 2003年采暖季在北京市專業氣象臺和北京市熱力集團公司投入應用,為實時供熱調度提供依據。

The directly buried installation has become the commend method for the district heating piping networks in china , and the designers in the field are in need of the consult date for the exoteric of probability and systemic introduce the design method for the directly buried heating pipe . so this report is try to carry the point 直埋敷設已成為我國區域供熱管網推薦的一種敷設方式,該領域的設計人員迫切地需要一套理論聯系實際,較系統地介紹直埋熱力管道設計方法的參考資料,本論文的編寫力求達到這一目的。

The company relies on xianyang ' s advantage in geothermal resources , adopts advanced technology from iceland , exploits and utilizes geothermal heat , provides district heating and cooling , develops thermal spring bathing , leisure tourism , tropical aquaculture , planting and tourist agriculture 公司依托咸陽地熱資源優勢,采用冰島先進技術,開發利用地熱,實行區域供熱供冷,發展溫泉洗浴,休閑旅游,發展熱帶養殖、種植和觀光農業。

Abb has completed the delivery of one of china ' s largest district heating projects , bringing clean and energy - efficient heat to one million people and eliminating greenhouse gas emissions of more than 500 , 000 tons a year Abb已經完成了中國最大的區域供暖項目之一的交付,為一百萬人民帶來潔凈且節約能源的暖氣,而且每年減少了超過50萬噸溫室氣體的排放。

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - steel valve assembly for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水供應網用預先絕熱包覆的管道系統.聚氨基甲酸乙酯熱絕緣和聚乙烯外覆層鋼管用鋼閥門組件

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - joint assembly for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水管網用預先絕熱有包覆管層的管道系統.聚氨基甲酸乙酯熱絕緣和聚乙烯外覆層的鋼管用接頭組件

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - fitting assemblies of steel service pipes , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水供應網用預先絕熱包覆的管道系統.聚氨基甲酸乙酯熱絕緣和聚乙烯外覆層鋼管用成套配件

The sonocal 3000 系列 of ultrasonic heat meters are designed for accurate high - resolution energy measurement in heavy duty water - based district heating , i . e . for power stations , exchange stations or transmission nets 系列超聲波熱表用于在區域供熱中高分辨率精確的能量測量,比如,電站,交換站或者傳輸網絡。

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - steel valve assembly for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水供應網用預隔熱連接的管道系統.聚氨酯隔熱和聚乙烯外覆層鋼管的鋼閥門組件

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - pipe assembly of steel service pipe , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水供應網用預先絕熱包覆的管道系統.聚氨基甲酸乙酯熱絕緣和聚乙烯外覆層的鋼管用組件

High temperature water - source heat pump can reclaim loss - grade heat that is produced when energy - changed device such as boiler is operating , anti the return water of district heating supply system is heated 摘要利用高溫水源熱泵設備可回收鍋爐等能量轉化設備產生大量的低溫馀熱,提高其溫度用于直接供熱。

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - fitting assemblies for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水供應網用預隔熱連接的管道系統.聚氨酯隔熱和聚乙烯外護層鋼管的接頭組件

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - joint assembly for steel service pipes , polyurethane thermal insulation and outer casing of poluethylene 區域供暖管道.直埋式熱水供應網用預絕熱連接的管道系統.聚氨酯絕熱層和聚乙烯外覆層鋼管的接頭組件

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - pipe assembly of steel service pipe , polyurethane thermal insulation and outer casing of polyethylene 區域供暖管道.直埋式熱水供暖網的預絕熱連接的管道系統.聚氨酯絕熱層和聚乙烯外覆層的鋼管組件

District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - pipe assembly of steel service pipe , polyurethane thermal insulation and outer casing of polyethylene ; german version en 253 : 2003 a1 : 2005 區域供暖管道.直埋式供熱網絡用預隔熱粘結管系統.鋼制

The cooling water of iron and steel industry contains a mass of lower quality heat and is a better choice for district heating by using water - source heat pumps 摘要鋼鐵工業的冷卻水含有大量的低溫熱量,可以通過水源熱泵利用這部分熱量實現區域供熱。

In order to realize the macro control of the district heating network , genetic algorithm is used , which has the function of optimization in the overall solution area 為實現對集中供熱網的整體控制,本論文中采用了具有全局優化性能的遺傳算法。