1、外文资料翻译 On setting the meter setting the meter. Long-term since, our country residence water meter are arranged on the indoor kitchen or toilet water concentration, the water more and scattered residences, sometimes even a indoor set more than one meter. In recent years, water meter is arranged on th
2、e indoor and caused many problems cause the attention of people increasingly: Home meter reading disturbs people s normal life and may lead to residential burglary, privacy and safety not guaranteed: management of meter reading meter reading is not easy and large labor intensity: individual user ste
3、als water management departments to prevent and punish and so on. Because of these problems, water production has become an inevitable choice. Therefore, the newly revised national standard ( code for design of building water supply GBJ15-88article 2.5.8: residential building should be installed in
4、household water meter, household water meter or household water meter digital display should be located outdoors. Meter households generally have the following ways: Household water meter concentrated in the roof ( water supply ) or the underlying space ( water supply ). This mode is often used for
5、multi-stormy residential. In general a unit provided with a ladder of water meter water meter well ( box ), household water pipe along the interior tube or building wall into the indoor. The utility model has the advantages of convenient reading； reading, low labor intensity of workers, can avoid us
6、ers water behavior. Disadvantages are: material consumption, head loss of pipeline, occupying larger space pipeline well, such as a wall is easy to affect the appearance of the building, the user branches not easy maintenance. Meter is arranged on the stair landing platform. Vertical water supply pi
7、pe is arranged on the platform, each provided with a water tank； the water meter box embedded platform resting on both sides of the wall. The utility model has the advantages of: user branches short, saving material, low head loss of pipeline, the shortcoming is: water dispersed settings, meter read
8、ing personnel of great labor intensity； usually indoor fire hydrant box is installed on a platform, so that the already crowded rest platform more cramped, traffic inconvenience to the residents.Each layer is Meter centralized meter room, household water meter on the wall. The utility model has the
9、advantages of the same with B, the disadvantages are: household pipeline must follow the public walkway under floor into interior and corridors, ceiling requirements. Will be the traditional ordinary mechanical water meter changes for telemetering water meter or IC card intelligent water meter. Remo
10、te water meter accurate calculation without reading, this form must be a deposit a certain amount of water, will recharge after insertion of the IC card water meter reading can be water. Because the remote water meter and IC card table relatively expensive and technically still exist certain problem
11、s, hence in practice has not been widely applied. Above a few kinds of water-meter, each has its advantages and disadvantages, concrete in practical engineering design in which way, by the design staff according to residential properties, grades and local industry management department requirement.1
12、.2water supply pipe arrangement and laying. At present, to build the house in one hutch two defend very general already, even with some houses one hutch three defend one hutch four defend, kitchen, toilet, the balcony, and each water using point locations are more dispersed. User branches to water p
13、oints along the interior floor pipeline such as hanging, inevitable requirement set indoor ceiling, wall should also have the anti-condensation measures to bring inconvenience, household decoration, after all, not all tenants wanted to ceiling. ( the building water supply and drainage design specifi
14、cation ) GB15 2000(manuscript ) as specified in article 3.6.18, water supply pipe should be laid in the floor ( ground ) surface of the leveling layer or along the wall laying pipe groove, laying the leveling layer or the tube groove water supplying pipe outside diameter is less than 25mm. In fact,
15、if connected to two or more than two water points, water supply branch pipe are connected together in series, the pipe diameter is more than 25mm. Therefore, in order to meet the specification requirements, water supply branch door after access water separator, a water segregator dark kitchen or bat
16、hroom wall, through the diversion device connected to each water using point branch pipe diameter can be controlled under 25mm. But it should be noted: a leveling layer water supply pipe after completion of construction, should be in the position to do the obvious markers, lest the household decoration, destruction of water supply pipeline.
