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摘要:由于城市土地資源的日益稀缺，高層建筑已成為建筑發(fā)展的趨勢。建筑設(shè)備是保證和完善建筑功能的重要因素，直接影響到建筑物的品質(zhì)和等級，是高層建筑不可或缺的組成部分。高層建筑給排水工程是高層建筑設(shè)備中最基本最重要的組成部分之一。 本文針對江南大廈，是一綜合娛樂性大樓，結(jié)合對設(shè)計標準、規(guī)范的理解，對該建筑的給水系統(tǒng)、排水系統(tǒng)、消防水系統(tǒng)、熱水系統(tǒng)，主要以設(shè)計計算說明的形式，進行了初步探討。 根據(jù)設(shè)計資料，市政給水管網(wǎng)的水壓為260KPa，分為低中高三個區(qū)：地下-1至5層為低區(qū)，由市政管網(wǎng)直接供水，采用下行上給方式；中區(qū)為6-12層，采用水泵—水箱聯(lián)合供水，管網(wǎng)上行下給，中區(qū)水箱設(shè)置在轉(zhuǎn)換層內(nèi)。高區(qū)為13-15層，高區(qū)水箱在屋頂，管網(wǎng)上行下給。給水系統(tǒng)管材采用PP-R管。 本建筑屬一類建筑，設(shè)室內(nèi)消火栓給水系統(tǒng)，室內(nèi)消火栓用水量為20L/s，室內(nèi)消火栓系統(tǒng)不分區(qū)，采用水箱—水泵聯(lián)合供水，消防水箱貯存10分鐘消防用水，消防泵及管道均單獨設(shè)置。此建筑的火災危險等級屬于中危險Ⅰ級，設(shè)自動噴淋系統(tǒng)，其設(shè)計噴水強度為6L/(minm2),設(shè)計作用面積為160m2，系統(tǒng)噴頭的工作壓力為0.06MPa，用水量為20L/s。室內(nèi)消火栓給水系統(tǒng)管材采用普通碳素無縫鋼管，自動噴水滅火系統(tǒng)采用內(nèi)外壁熱浸鍍鋅鋼管。 本設(shè)計室內(nèi)排水系統(tǒng)采用合流制，衛(wèi)生間污廢水經(jīng)化糞池后直接排至室外排水管網(wǎng),男、女廁所分別設(shè)置立管。排水系統(tǒng)首層單獨排放，并就近排至戶外。高區(qū)排水立管設(shè)有伸頂通氣管。同時設(shè)置專用通氣管，輔以結(jié)合通氣管連接成三管系統(tǒng)。地下室積水經(jīng)地溝排至集水坑，再通過污水提升泵排至室外城市污水管網(wǎng)。本設(shè)計排水管材采用柔性接口機制排水鑄鐵管。 本建筑熱水設(shè)計部分為2-5層東北側(cè)淋浴間、廚房用水及13層公共浴室，采用集中式熱水供應系統(tǒng)。2-5層的水加熱器由市政供給冷水，13層公共浴室的水加熱器由高區(qū)水箱供給冷水，均采用容積式水加熱器，集中設(shè)置在地下室。本設(shè)計熱水系統(tǒng)采用薄壁銅管，管件與管道的材質(zhì)相同，水加熱間內(nèi)采用不銹鋼管。 關(guān)鍵詞 高層建筑；給水；排水；消防；熱水
Abstract:As the urban land resources are increasing scarce. High-rise building has become the development trend of building. Construction equipment is to guarantee and improve the important factors architecture function. Directly affect the quality and level of the building, is an indispensable part of high-rise buildings. High-rise building water supply and drainage engineering is the most basic high-rise building equipment is one of the most important part of the water-supply system. In this paper, the project is a comprehensive entertainment building. I will make the construction of water supply system, drainage system, fire water system, hot water systemwith the understanding of design standards and specifications, mainly in the preliminary design calculations . According to design information, municipal water supply network of the water pressure is 260KPa, pressurized water the way it is divided into upper、medium、 lower three zones: zone of -1-5 layers, directly by the municipal water supply pipe network, using down to give way; the area for 6-12 layer, using the pump - joint water supply tank, pipe line under a row.The water tank set up in 13 layers.The upper area for 13-15 layers,the water tank set on the roof.Water supply system using PP-R pipe tube. The building is a first-class building, located fire hydrant water supply system, fire hydrant water for the 20L / s. Fire hydrant system is not partitioned by water tanks - water pump combined water supply, fire water tank for 10 minutes the fire water storage, fire pumps and pipes are set separately. This building is in danger of fire danger rating of grade Ⅰ,set automatic sprinkler system, designed to water density is 6, the design function area of 160, the system working pressure nozzle 0.06MPa, water consumption is 20L/s.Fire hydrant water supply system using ordinary carbon seamless steel pipe, automatic sprinkler system in galvanized steel pipe The interior drainage system is designed by combined, toilet waste water directly discharged into the municipal sewage pipe network.Male, female toilets were set up risers. The first floor separately emissions, and to the nearest row outdoors. Has a high drainage riser extending through the top of the trachea. Established special ventilation tube, supplemented with ventilation tube connected into three systems. Water discharge through the trench to the basement sump, sewage lift pump discharge and through to the outdoor urban sewage pipe network. The design of the drainage pipe with flexible interface mechanism drainage cast iron pipe. The architectural design is 2-5 layers of hot water the northeast shower, kitchen, water and 13 floors of public bathrooms,the use of centralized water supply system. 2-5 layers of the water heater cold water supply from Central water tank, 13-story public bathroom water heater cold water supply tank by the high area, volume of water heaters are used to focus set in the basement. The design of hot water system uses thin-walled tubes, pipe fittings and pipe use the same material, the water within a stainless steel tube heated. Keywords High-rise building Water supply Hot water Fire fighting Drainage
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