Discussion about the standard system on urban domestic water saving technology in China

Main F ocusDiscussion aboutthe standardsystemon urban| domesticwater savingtechnology in ChinaBy YANG Shujun, REN Xiaoli ,GAO BenbuAbstract: Standard is the technical foundation of national economic andimproves the standard of water sav-social development, and it is the basic rule of establishing social regulation.ing devices, takes formal enforce-Researching and constituting the standard system of urban domestic waterment on October 1, 2002. Threesaving technology is to offer important science basis for revising standardstandards which areCity sewageplan and standardize research plan. This paper introduces the present situa-rejuvenated and used - Ciassifca-tion of our urban domestic water saving technical standard system, problemtion, City sewage rejuveaated andand the development direction in the future, as well as project planning ofused- Quality ofmiscellaneous W8-constructing urban domestic water saving technical standard system.ter and City sewage rejuvenated andKeyword: Standard system urban domestic water saving technologyued - Landscape environment usingwater shortage Project planwater and water quality pay an im-portant role in protecting water re-source，realizing water resourceForeword1 Present situationused continually as well as makingWith the accelerating develop-The standardization of wateruse of sewage resource. At the samement of urban modermization, do-saving technology in China beginstime, it fills the blank of sewagemestic water consumption in urbanfrom the end of last century in 80s.quality standard of cities. Besides,area increases continuously, there-With the lead of governing depart-The standard of water quantity forfore water shortage of cities has be-ment including water saving and na-city reaidential use (GB/Tcome more and more serious prob-tional standardization, urban domes-5033 1-2002) offers some referrencelem. At the end of 20 century, moretic water saving technology havefor making water quota in the differ-than 400 cities in China (total num-been gotten some achievement, andent cities of our country. Technicalber of cities are 669) are short of wa-promote the managing level of ur-conditions for water saving productster, in which 1 10 cities are more seri-ban domestic water saving.and general rogulation for manageous. According to statistic data, wa-For the standard of urban do-0T 10070202) becomester scarcity in Beijing will reach 1.2mestic water saving technology,中国煤化Itication for .HCNMHGbillion cubic meter by 2010 year".Domestic water saving device that. pivuuvis.2www.China-cas.org| China Standardization |MARCH 2007water savingIn aspect of urban domestic water saving technologyCompilation standard system of urban domesticstandard ization, Ministry of construction has compiled| water saving technologystandard system of water supply and drainage, but thereThe standard system of urban domestic water sav-are large gaps with the requirement of City water supply ing technology is served for realizing the urban domesticdepartment's 2010 years the plan of technical advance-| water saving. It is established by according to the profes-ment development and 2020 years long-term aims . . For| sional field goal of each urban domestic water saving.example , the standard of city water saving automation andAccording to the scope of urban domestic waterinformation technology lacks seriously, which has be-| saving field as well as the general characteristic of urbancome the key problem of development in water profession| domestic water saving technology, the standard systemautomation [2].expresses directly with frame diagram as following:2 Existent problemsThe direction of the urban domestic water savingWe have gotten great achievement in research on| technology standard development3]1the standard system of urban domestic water savingFor perfecting the standard system of city watertechnology, but still have many problems. For example,| saving technology, aiming at the demand of standardthe standardization working doesn't adapt to currenttechnology in the future, we do not only need to revise ,economic growth pattern. Current standards are serious| expand and incorporate the actual standard clauses , but“ageing”and standard quality is not high. Standards| also we still need to establish relative standards alack of integrality and the correspondency is not well.| following:There are gaps with foreign standardsand lack of relative standards in some- standard of water saving devicesfields. The enforcement of technologicstandards are weak and monitor inspectstandard of city rejuvenated using technologyorganization need to perfect. The fundsstandard of urban rainwater、seawater and bitter salty waterof compilation and management are seri-| used technologyous scarcity and, etc. problems._standard of leak hunting and leakproof technology of「o promote the standardizationmunicipal pipe networking of urban domestic water saving」standard of water saving technology in public enterprisestechnology in China, adapting to the re-for water supply and using by themselvesquirement of joining WTO, the key is toexplore the effective management oft standard of water saving technology on public buildingstandardization in market so that solve- standard of municipal environment water saving technologyabove-mentioned problems and establishthe perfect standard system.I standard of city water saving information technology3 Deve lopment directionsWater saving devicesThe foundation of compiling the(1) Standard of intelligent water saving devices:standard system about urban domestic water savingStandard of inductive faucet ; Standard of inductive com-technologyThe standard system is built up according to inves-mode and urinal system ; Standard of inductive showertigating the whole important successful water savingsystem(2) Standard of special water saving devices:technology, management trends of domestic city, actualstandard of urban domestic water saving and its develop-Standard of the+ twiled into to washment situation, as well as analyzing domestic and abroadhand;wash veget中国煤化工Standard ofstandards.special commodeYHCNMH Gwww.China cas.org | China Standardization| MARCH 2007Main F ocusCONSTRUCTINGwater saving society(3) Standard of new water sav-(2) Standard of seawater usednologying devices: exempting to wash thetechnology: standard of seawater(2)Standard of constructingstandard such as toilet system,etc.used directly technology; Standardflow pipes technology: standard ofStandard of city regenerativeof seawater desalted and transportedadvanced linked and rotproof con-water used technologytechnology; Standard of seawaterstruction technology of the munici-Standard of sewage used di-desalted technology with low cost ;pal pipe netrectly technology after concentrativeStandard of dealing with containing(3)Standard of pipe: standardhandling; standard of sewage regen-salt sewage technology; Standard ofof various new pipeerative technology; Standard of re-dealing with containing salt sewageStandard of water savinggenerative technology of uptowndrained to sea &ocean technologytechnology in public enterprises forwater supply and using by them-medium water; Standard of dealing(3) Standard of bitter salty wa-selveswith building medium water tech-ter used technology: standard of bit-Standard of back washingter salty water directly used technol-water to return for use technology:Standard of urban rainwater,ogy; Standard of bitter salty waterstandard of public water supplyseawater and bitter salty water useddesalted technologyenterprise personal using water andtechnologyStandard of leak hunting andreturning technology; Standard of(1) Standard of urban rainwaterleakproof technology of the munici-steam - water back washing technol-used technology: Standard of gatherogy; standard of new filter bed tech-nd storage rainwater technology;(1 )Standard of leak huntingnology; Standard of back washingStandard of rainwater used directlytechnology of the municipal pipewater to use for sediment pondtechnology; Standard of rainwaternet: standard of location leak hunt-●Standard of water savingfor underground perfusion systemat-ing technology; Standard of fixedtechnology on public buildingic technology; Standard of environ-point accurately leak hunting tech-Standard of public buildingment with the rainwater; Standardnology; Standard of leak huntingaVrondition circulating cooling andof rainwater-quality monitoring| and decision-making informative中国煤化工standard;system of municipal pipe net tech-MHCNMHG'technology;4www.China-cas.org| China Standardization|MARCH 2007water savingStandard of boiler vapour condensa-graphic information system techni-need water saving standard in ordertion return technologycal; Standard of gathering transmis-to perfect the standard system of ur-. Standard of municipal envision on saving water informationban domestic water saving technolo-ronment water saving technologynd standard of specialized data-gy. It is important to alleviating city(1 )Standard of water saving viresbank technology.water resource crisis, raising watercence technology: standard of water4 Project planresource using efficiency, and con-savingbiologicaltechnology;The first stage , from 2006 tcstructing water saving society.■Standard of not full irigation tech-2010 years, for one thing, it needs tonologydevelop the water saving technologyRe ference : .(2)Standard of water savingin important field, such as technolo[1 htp://wwwpro.c.et./asetechnology about washing vehicles:gy of using abnormal water (rainwa[2] City water supply depart-standard of water circulatory tech-ter, seawater, bitter salty water andment 2010 years the plan of techni-nology on washing vehicles; Stan-urban sewage), leak hunting andcal advancement development anddard of water saving technologyleak proof technology of the munici-2020 years long-term aims. Beiing,about washing vehicles ;Standard ofpal pipe net, technology of usingChinese publishing company of ar-washing vehicles without watercooling circulating water as well aschitecture, 2005technologythe development of water saving de-[3] National development and(3)Other technology standards:vices, etc, for another it needs toreform commission , Ministry of sci-explore the new technology of waterence and technology , Policy outlinenology on natatorium; Standard ofsaving to perfect the technology sys-of Chinese water saving technologyexempt to wash the public lavatorytem of urban domestic water savingBeijing, Chinese publishing compa-technology; Standard of water sav-gradually. According to inference,ny of science and technology, 2005ing technology on public lavatory;in the guide of this technology sys-The national basic platformStandard of water circulatory tech-tem, domestic water consumptionproject of science and technology.nology on landscapewill decrease gradually.This paper is a part of standard sys-Standard of the urban domes-The second stage， from 201 1tem of water resource used continu-tic water saving information techol-to 2025 years, water saving technol-ously in China.ogyogy will be translated into standard(2004DEA70920-04)Standard of application in Geo-gradually, and compiling the urgent中国煤化工MH| CNMHGwww.China-cas.org | China Standardization| MARCH 2007