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摘要:隨著國民經(jīng)濟(jì)的發(fā)展，人民居住理念的變化，高層建筑如雨后春筍般，越來越多的矗立于城市之中。高層建筑的給排水設(shè)計(jì)也就成了影響建筑物日后使用的重要因素。本設(shè)計(jì)的任務(wù)是泰州市中北品尚建筑給排水工程設(shè)計(jì)，設(shè)計(jì)的主要內(nèi)容有：建筑給水系統(tǒng)、建筑排水系統(tǒng)、建筑雨水系統(tǒng)、消火栓滅火系統(tǒng)、自動(dòng)噴水滅火系統(tǒng)和熱水系統(tǒng)的設(shè)計(jì)。 該建筑為一14層綜合性民用建筑，總高39.2m。1~2層為商鋪，3~14層為住宅，分為2個(gè)單元，每單元4戶住戶。 市政給水干管位于該建筑東側(cè)及南側(cè)城市道路旁，常年資用水頭0.18MPa。從建筑南側(cè)分別引2根用水管進(jìn)入建筑，給水系統(tǒng)采用分區(qū)給水方式：1~3層為低區(qū)，由市政管網(wǎng)直接供水；4~14層為高區(qū)，由屋頂水箱水泵聯(lián)合供水。屋頂水箱鋼制，有效容積1.2?。生活貯水池鋼制，有效容積39?。 本設(shè)計(jì)采用污廢水合流排放體制。管材采用了具有消聲功能的螺旋UPVC排水管，伸頂通氣方式，為此可進(jìn)一步提高環(huán)境質(zhì)量。地下室內(nèi)消防電梯井旁、泵房地面均設(shè)有集水坑和廢水提升裝置。 該商住樓雨水系統(tǒng)采用外排水，采用100mm的87式雨水斗，排至室外散水。 本商住樓屬于中危險(xiǎn)I級，設(shè)計(jì)中消火栓系統(tǒng)采用DN65×19的直流水槍，25m長DN65的襯膠水帶。3~14層為住宅，每層在電梯前室設(shè)置2個(gè)雙閥雙出口消火栓。1~2層為商鋪，每層設(shè)立6個(gè)單閥單出口消火栓，消火栓滅火系統(tǒng)連成環(huán)狀。在室外設(shè)置3個(gè)水泵接合器，在8層消火栓立管處設(shè)置減壓閥，閥后壓力為0.25Mpa。 該建筑在1~2層設(shè)自動(dòng)噴水滅火系統(tǒng)，噴頭主要按矩形布置，間距為長4m寬3m，采用普通吊頂型噴頭和邊墻型擴(kuò)展覆蓋噴頭。消防泵房及消防水池設(shè)于室外。消防水箱設(shè)于屋面，容積為18m3。設(shè)置3個(gè)SQ150地上式水泵接合器。 熱水由市政表壓為0.2MPa的蒸汽熱源間接加熱，只供給3~14層住宅。熱水系統(tǒng)根據(jù)冷水系統(tǒng)分為上、下2區(qū)，上區(qū)為4~14層，采用上供下回式，下區(qū)為1~3層，采用下供下回式。下區(qū)冷水有市政管網(wǎng)供給，上區(qū)冷水有屋頂給水水箱供給。熱水系統(tǒng)采用半循環(huán)供水方式，為全天循環(huán)。 關(guān)鍵詞 建筑給排水；高層建筑；消火栓系統(tǒng)；自動(dòng)噴淋系統(tǒng)
Abstract: With the development of the national economy and changes in the concept of people living,the high-rise building soars everywhere in the city more and more.The city housing construction is being converted from pure multistoried housing construction or pure high-rise housing construction to residential area composed of multistoried little high-rise construction with a certain scale and high-rise housing construction.The public building develops itself from single function high-rise building to multi-purpose,big area,integrate one.And so the design of high-rise building in water supply and drainage becomes an important factor impacting the later use of the building.The task of design is Water supply and drainage design of Taizhou Long-wan city commercial and residential building. The main content of the design includes building water supply system、building drainage system、building storm-water system、fire-extinguishing system and hot-water system. The building is a commercial and residential building which is 14 layer.The total height is 39.2 meters. 1~2 layer for shops , and 3~14 layer for residential which is divided into 2 units with 4 households. Water, perennial with head 0.18MPa ,is supplied in two pipes from the municipal water supply pipe network which is on the south of the building. Water supply system uses partition: 1~3 layer for the low area, of which the water is supplied by the municipal water supply pipe network directly ; 3~14 layers for high, that supplied from the water tank on the roof combined with water pump.The pressure reduction valve , after what the pressure is to 0.35MPa, is set in the 5 layer because of the connection of high and low water supply network.The roof water tank is steel,which effective volume is 1.2 stere.And the storage pool steel with the effective volume is 1.2 stere. The building drainage system is combined sewer system.Sewage and waste water of toilet must be brained digestion tank at first and be disposed, then it can be discharged into municipal drainage network .The waste water of kitchen is drained into municipal drainage network directly . The storm-water system of the building is external drainage system with 87 rainwater bucket which 100mm , exhausted to the outdoor water. This building belongs to the first grade of Intermediate risk. The fire hydrant system use DN65 * 19 hydraulic monitor, with DN65 rubber hose lining 25m. Each layer set 2 double valve double hydrant in front of the elevator from 3~14layer.From 1~2 layer,each layer establish 6 single valve single hydrant. Fire hydrant system is lined into a ring.Set 3 pump adapters outdoor. The pressure reduction valve is set in the fire hydrant standpipe at 8 layers , after what the pressure is to 0.25MPa. The architecture is equipped with automatic sprinkler system from 1~2 layer.The nozzle layout according to the rectangular , spacing of length 4m width 3m.The nozzle use ordinary ceiling sprinkler and extended coverage sidewall sprinkler. Fire pump and fire water tank is arranged in the outdoor .The fire water tank, of which the volume is 800 stere, is divided into 2 lattices.The volume is 18stere of fire water tank set on the roof. The pressure reduction valve is set in the automatic sprinkler standpipe at 1 layers , after what the pressure is to 0.25MPa. Set 3 pump adapters outdoor. Hot Water is only for 3~14 residential,heated indirectly by 0.2MPa steam heat source from the municipal gauge. Hot water system is divided into 2 zones according to the cold water system . The cold water of the area under is supplied district by municipal pipe network,and water of the area on is supplied district by water tank on the roof. Hot water system adopts the half cycle of water supply, as the day cycle. Keywords water supply and drainage of building commercial and residential buildings high-rise buildings fire hydrant system automatic sprinkler system |
