Bathroom drainage and advantages and disadvantages

One, the current common bathroom drainage:

1, the different layer under the plate drainage:

For a long time, China's bathroom drainage design program are used in the different layer under the plate drainage, sanitary appliances will be laid in the lower part of the lower bathroom drainage pipe.

Specific practice is to bathroom each appliance drainage pipe vertical through the floor after laying to the upper part of the lower bathroom, and then use the horizontal branch pipe will be connected to each sanitary appliances drainage pipe to the sewage standpipe.

2, the same level of drainage:

The same level of drainage is divided into two

(1) the same level of caisson drainage:

The bathroom structural plate sunk more than 350mm, the sanitary ware drainage pipes laid in the caisson (i.e., structural plate), and then discharged to the sewage standpipe.

When the pipe laying is completed, the caisson is backfilled to the building elevation with light construction (fly ash, ceramic concrete, coke ballast, etc.) materials, and at the same time, the caisson backfill layer is secretly laid with a side drain connecting to the sewage vent pipe. In this way, the bathroom drains are all on the structural slab and are not associated with the occupants of the lower floors.

(2) the same level after the drainage mode:

The bathroom structural plate sinking 50-100mm, the floor drain using the same level of drainage of special floor drain, toilet using the rear drainage type, the drainage of the horizontal branch pipe parallel to the wall and close to the ground laid on the plate to the sewage riser.

Because of the bathroom sinking size is small, so the horizontal drainage branch pipe is open laying, need to use lightweight sheet will be exposed to the drain closed up, that is, the wall is 1m from the ground section of the thickening of 120mm in order to close the drainage of the purpose of the horizontal branch pipe.

This way bathroom drain are on the board, while the thickening of the wall part of only 1m high, you can place ornaments, save a lot of space.

Two, the advantages and disadvantages of the drainage

1, the drainage way under the heterogeneous plate

Disadvantages are:

(1) in this way, the upper bathroom drainage branch pipe are in the lower level of the upper part of the household bathroom, the leakage of hidden dangers all stay in the lower level of the household home;

(2) encroachment on the space;

(3) P-bend or S-bend,

Advantages are

Advantages: drainage noise,

2, same floor drainage

The advantages are:

(1) clear property rights;

(2) sanitary appliances arrangement is not restricted;

(3) drainage noise is small, the drainage pipe is arranged in the floor, covered by backfill bedding layer has a better acoustic insulation, so drainage Noise is greatly reduced;

(4) water leakage rate is small, the bathroom floor is not sanitary appliances pipeline crossing, reducing the chance of water leakage, but also effectively prevent the spread of germs;

(5) do not need P-bend or S-bend, a **** with the "multi-channel floor drain" or "access device". "Access", instead of the traditional way of drainage in the sanitary appliances set up by the P bend or S bend. By the P bend and S bend and can not overcome the disadvantages of their own, the same level of drainage way to solve all the problems.

Expanded material:

Toilet downpipe installation notes

One, the correct order of bathroom plumbing installation

Bathroom plumbing installation must follow a certain number of reasonable steps before,

1, to discuss with the master installer of the specific direction of the waterway;

< p>2, with an electric hammer to fix the clips to the wall;

3, began to use a professional thermosolver to heat fusion connection of the pipe;

4, with a pressure pump on the whole pipeline for pressure test;

5, clean up the scene.

Two, bathroom plumbing design layout

Bathroom plumbing installation should be laid according to the direction of the water, generally horizontal and vertical, as far as possible, 2 pipelines do not cross, if the crossings should be taken over the bridge, hot and cold water pipes are separated and maintain a certain distance;

Bath mixing valve left and right position correctly and mounted in the middle of the bathtub, the height of the best in the 1.8 meters to 2.1 meters! Between, but also for the installation of water heaters and washing machine inlet and outlet reserved position, to achieve a scientific and reasonable layout.

Three, bathroom plumbing pressure measurement process

Before the pressure test should close the valve after the water meter, the end of the test pipe blocking slow water injection, full of water for sealing check, and then manually pressurized, stabilized pressure, pressure drop of half an hour does not exceed 0.05Mpa for qualified.

Don't underestimate the installation of a water pipe, is a water pipe is correctly installed, the home of the bathroom in order to long time normal use, so the bathroom water pipe installation is also very important.

References:

Baidu Encyclopedia-Sympathetic Drainage System