In our city construction, we have to use cement pipes in many places. It can not only drain and discharge sewage, but also exhaust and flood. At the same time, it is important to use it in urban construction. How much do we know about its manufacturing process? ? The following is a small pipe manufacturer of cement manufacturers to take you to see the method of manufacturing large-diameter cement pipes.
During the process construction, especially the cross-operation construction process, corresponding measures should be formulated to protect both the product quality of the product itself and the quality of the finished process product, and also ensure that the next process can provide a clean and easy job. In terms of construction products, no matter during construction or after completion, protective measures should be adopted for engineering products and semi-products, especially for process products during construction. Strict protection measures should be formulated to prevent process products from being damaged. Pollution and damage, avoid unnecessary rework and repair, thereby steadily improving the quality of the project. Compared with general cement pipes, composite cement pipes have better corrosion resistance, stronger anti-leakage and anti-geological subsidence, longer service life and strong market competitiveness. Cement pipe composite silica sand Portland cement and its application skills in the production of pipe piles, Portland cement clinker (the content of C3A is less than 10%), high silica sand (the content of SiO2 is more than 80%), slag (or Steel slag), gypsum, etc. are mixed in a certain proportion and ground to a specific surface area of 350 m2 / kg to 480 m2 / kg, indicating that the composite silica sand Portland cement has been synthesized. This cement is then used to replace high-grade portland cement or general portland cement, and the autoclave process is used to produce pipe piles. The composite silica sand portland cement has good early strength properties, and it also makes the concrete pile's strength greatly improved under the conditions of autoclave maintenance. Replace the high-grade Portland cement or general Portland cement with composite Portland cement, mix Portland cement with sand, crushed stone, and concrete superplasticizer in a forced concrete mixer, and then mix The mixture is fed into the lower half of the pipe pile steel mold which has been cleaned and the prestressed steel bars have been placed. The upper half of the pipe pile steel mold is closed and the prestressed steel bars are stretched. Centrifugal operation, after which atmospheric pressure steam maintenance is performed; after normal pressure steam maintenance, prestress release and pipe pile demoulding operations are performed, the used steel mold is sorted, and at the same time the pipe piles after atmospheric pressure maintenance are sent High-pressure steam maintenance is performed in the autoclave; the concrete strength of the pipe pile reaches the design level after high-pressure steam maintenance. Cement pipe must pay attention to personal safety in use. Although the cement pipe is hollow, its weight is still relatively heavy, and care must be taken during handling to avoid unnecessary risks.