Installation skills of water pipes in different spaces of self-built houses? How to arrange water pipes in rural self-built houses
First, the installation method of self-built kitchen sewer pipe
1. Before installing the sewer, it is necessary to know the purpose of the sewer and its accessories and the meaning of the above marks in detail. Check the position, arrangement order, etc. According to the drawings, repeatedly consider whether the space occupied by pipeline layout is reasonable. In addition, check the quality of each pipe and fittings to see whether the joints are smooth, whether the internal and external walls of the pipe are smooth, and whether the materials are thick and durable.
2. The installation of kitchen sewer pipes mainly includes downward drainage and lateral drainage. It is recommended to use 50% return pipe for drainage. If drainage is still needed, a tee can be added. The inclined tee will launch more smoothly. Side drainage is not as follows. Usually, when installing, you can attach a 45 elbow to the horizontal pipe, then connect a semi-triangular return elbow, and finally connect other pipes. Be careful not to use a round return elbow, which is not applicable in this case. You can also buy special side drainage in the building materials market, and the principle is the same as above.
3. Generally, there is not much space left for installing sewer pipes in self-built houses. So when designing sewers, we must have a general idea. In addition to carefully designing the drawings, it is also necessary to repeatedly check whether the drawings conform to the construction site. Because the drawing is flat, the sewer pipe is three-dimensional in concrete construction, and the installation effect may be different from that imagined in the drawing. Therefore, it is necessary to make a virtual connection for each pipe fitting on site and practice it again to ensure foolproof.
Second, the self-built kitchen sewer installation considerations
1, the sewer pipe of vegetable basin adopts PVC sewer pipe, which is waterproof and does not stink back.
2. PVC50 sewer pipe is used in the vegetable basin to ensure the rapid discharge of sewage.
3. PVC pipes and cast iron pipes in the vegetable basin should be sealed and fixed to avoid water leakage.
4, the kitchen sink sewer PVC pipe has a long service life.
5. The sewer pipes of the kitchen sink are all sealed, forming a cavity from top to bottom, which reduces the probability of pipe blockage.
Self-built toilet water pipe
A, self-built toilet water pipe installation layout
1, the direction of the water supply pipe, the water pipe installation in the bathroom should be laid in the direction of water, generally horizontally and vertically, so as to overcome the gravity of the earth and prevent the water pressure from being insufficient.
2. Try to avoid cross installation of water supply pipes. If cross installation is needed, you can cross the bridge at the intersection.
3. In order to prevent the heat transfer effect, the hot and cold water pipes need to keep a certain distance.
4. In the design of the water supply pipe, it should be considered that the mixing valve of the bath is in the right position on the left and right, installed in the middle of the bath, and the height is preferably between 1.8m and 2. 1m, so the water inlet should be reserved at the corresponding height and position.
5. Not only the bathtub should be considered, but also the sink, what form the sink is installed, the installation of the water heater, the installation of the washing machine and so on. , and reserve the water inlet and outlet positions of objects, so as to achieve the most perfect and scientific installation layout of toilet water supply pipes.
Second, the main points of self-built bathroom water pipe layout
1, the hot and cold water pipes should be separated and the distance should not be too close. The height of shower pipe is between1.8m-2.1m.
2. Water pipes generally don't take the roof, and the outlet of hot and cold water must be horizontal. Generally, the left side is hot and the right side is cool, and the pipeline laying needs to be horizontal and firm, and the layout trend should be safe and reasonable. The position of pipe clamp and the slope of pipeline shall meet the specification requirements. All kinds of valves should be installed in correct and upright positions for easy use and maintenance.
Both cold water pipe and hot water pipe are plugged into the wall. Check the groove depth when slotting, and the hot and cold water pipes cannot be in the same groove.
4. When installing the water inlet and outlet of the water heater, the water inlet valve and air inlet valve must be considered and installed in corresponding positions.
Self-built external wall water pipe
First, how to manage the external water pipes of self-built houses?
1, meet the functional requirements.
According to the roof area, the number of rainwater pipes is reasonably arranged, so that the rainwater can be discharged from the roof smoothly in theory (for example, 80 square meters of roof layout 1 rainwater pipe).
2. Make the facade of the building beautiful
Rainwater pipes should be arranged at the wall or shady corner as far as possible. Terrace drainage needs to find slope. In order to prevent rainwater from flowing into the room, the low slope should be far away from the door, and the pipeline should be arranged at the outlet hole on the edge of the terrace, which will not affect the overall effect of the building facade.
3, meet the installation conditions
Rainwater pipes are arranged on the structural wall and fixed firmly. Avoid decorative walls, columns and other places where rainwater pipes are not firmly fixed, and try to stay away from doors and windows.
4. Full reunification
When the same (or similar) units are combined asymmetrically, the positions of storm drains should be the same (or similar).
When the same (or similar) units are symmetrically combined, the position of rainwater pipes should be symmetrical.
Second, what materials are used for the external water pipes of self-built houses?
At present, the water pipes used for decoration generally use PPR materials. PPR pipe has stable quality and convenient construction. Now almost every water pipe shop will have this kind of material, so don't worry about not buying it. But PE pipes are generally used as cold water pipes because of their limited heat resistance.
Third, the installation method of external wall water pipes of self-built houses
1. Choose a suitable location on the external wall.
2. Take appropriate water pipes and accessories, such as 100 mm water pipes and matching 100 mm accessories, including tee, cross, elbow, * accessories: * electric hammers for water pipe clamping and drilling, and corresponding wrenches, screws and vises.
3. Platform operators should prepare 1 safety rope, 1 working rope and a seat plate.
4. One main platform operator is equipped with three sub-platform operators. One sub-platform operator is on the roof and the other is downstairs. One of the sub-platform operators follows the main platform operator and cooperates with the main platform operator, such as transporting tools and materials, and other main platform operators need to cooperate.
Self-built roof water pipe
1. What water pipes are used to build the roof?
Considering the durability and cost performance, the Bohr PPR tube widely used in recent years is very good. This is a new type of water pipe material. PPR pipe is non-toxic, light, pressure-resistant and corrosion-resistant, and can be used as both cold water pipe and hot water pipe. Moreover, PPR pipes are not only suitable for cold water pipes, but also for hot water pipes, even pure drinking water pipes, which is very practical.
Second, the construction method of self-built roof drainage pipe
1, prefabricated
Check the appearance of the pipe and straighten the bent part. The specific method is to put the pipeline on the straightening platform, inject steam or100 c boiling water into the pipeline to soften the pipeline, and then cool and straighten it by itself under the action of its own weight.
Draw a machining sketch according to the actual situation on site and measure the size of the broken pipe. Pay attention to the fracture of the pipeline: the fracture is even, remove the internal and external burrs of the fracture with butterfly file or electric grinder, and chamfer the outer edge 15 to 30 degrees. Before bonding, the sockets shall be tested and numbered. When the socket is inserted, it should not be completely inserted, generally 3/4 of the depth of the socket. When bonding, the socket should be cleaned and the oil stain should be washed off with acetone. At the parts to be bonded at the pretreatment site, the socket and the inner and outer edges of the socket should be horizontally sanded with coarse sandpaper. When applying glue with a brush, apply the socket first and then the socket, and don't miss it. Then insert it vertically with force. After insertion, gently rotate the socket to make the adhesive uniform, and tap with a wooden hammer to insert the pipe section into the socket in place. After bonding, it can be firmly bonded within 2 minutes at different temperatures, and cannot be removed or rotated after more than 2 minutes. Pay attention to the reserved port direction for multi-port bonding, and pay attention to the downstream direction for tee installation, naturally forming a slope. At the welded joint, the corresponding part must be straight.
2, the safety of the hanger system
The installation of supports and hangers shall be the same as that of metal pipe supports and hangers. The installation form of support and hanger is spaced from the wall, and it is best to supply supporting cards by the manufacturer.
3, flat main installation
According to the design requirements, the trench is excavated, the hole casing is reserved, and the hanger is made. When the construction conditions are met, the prefabricated pipe section will be transported to the installation site for installation according to the prefabricated pipe section. When each section is bonded, it must be carried out in sequence according to the bonding process. The position of the reserved hole is accurate. After the horizontal main pipe is installed, it is closed with inflatable rubber baffle, and the water closing test is carried out. Pay attention to the cementing of the hanging pipe, find the slope according to the direction of water flow, and finally seal the reserved mouth and block the hole. If the system is small, the closed water test can be carried out after the completion of the horizontal and vertical main pipes. During construction, the buried UPVC pipe can be anticorrosion, but the groove must be compacted and leveled. When backfilling, backfill the tube epithelium with fine sand to 100mm, and cover it with screen soil to avoid damaging the tube in real time.
4, riser installation
According to the need to build scaffolding, to be balanced and reliable. Transport the prefabricated pipe sections to the site according to the number. First, clean the reserved expansion joint, unscrew the lock nut, take out the U-shaped rubber ring, clean up the sundries, and check whether the holes are suitable. When inserting the riser, mark the insertion length first, then apply soap liquid, and install the lock nut and U-shaped rubber ring. When installing, first extend the upper end of the main pipe into the hole of the next floor, and insert the expansion joint vertically and forcefully, so that the clamp marked with U-shaped steel must be firmly fixed on the upper edge of the expansion joint. Then level and align, and measure whether the distance between the roof and the tee center meets the requirements. After confirmation, seal the reserved expansion joint on the upper part and the reserved gap on the floor wall.
5, branch pipe installation
Build an operation platform as required, check whether the reserved hole part is suitable and trim it, transport the pipe section according to the prefabricated number and install it. Pay attention to the requirements of pipeline slope, and this work should be carried out after plastering the surface ash.
6, appliance connecting pipe installation
Check the practice of building floor and wall surface, accurately find the reserved hole, and trim the reserved hole according to the accurate size. Measure and record the measured size according to the number of parts, and then prefabricate the number. When transported to the site for installation and bonding, the reserved nozzle must be cleaned. Carry out the closed water test as described above. In the closed water test, if it is found that improper operation causes water leakage or repairs the leaking interface, it can be welded to repair the leakage.