Antibacterial pressure-resisting water supply pipe and preparation method thereof
A technology for water supply pipes and water pipes, which is applied in the field of corrugated pipe manufacturing, can solve problems such as easy surface scratches, sensitivity to heat, damage, etc., and achieve the effects of simple technical operation, convenient widespread production, and huge economic value
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Embodiment 1
[0027] Such as figure 1 , figure 2 and image 3 As shown, the water supply pipe in this embodiment includes an outer layer pipe 1, a buffer layer 2 and an inner layer pipe 3, and the two sides of the outer layer pipe 1 are provided with longitudinal corrugated folds 4, and the outer layer pipe 1 The cross-section is oval with folds on both sides, the inner tube 3 is a round tube sleeved inside the outer tube 1, and the buffer layer 2 fills the gap between the outer tube 1 and the inner tube 3 The end of the entire water supply pipe is also provided with a connecting portion 5, which is a bellows flaring portion. The outside of the connecting portion 5 has a decagonal structure, and the inside of the connecting portion 5 is provided with threads.
[0028] The thickness of the outer pipe layer 1 is 1-3 times the thickness of the inner pipe layer, and the shortest distance between the outer pipe layer 1 and the inner pipe layer 3 is 0.3-1 cm, so that the coating will squeeze t...
Embodiment 2
[0036] A preparation method of an antibacterial pressure-resistant water supply pipe, the preparation method comprising the steps of:
[0037] (1) Preparation of the inner layer tube: Add the raw materials of the inner layer tube into the extruder according to certain parts by weight, mix and stir evenly, then extrude and form, cool for later use, the raw materials and parts by weight of the inner layer tube are: 150 parts of polyethylene resin, 0.1 part of antioxidant, 0.5 part of plasticizer, 0.1 part of colorant, 10 parts of antibacterial agent;
[0038] (2) Covering of the buffer layer: After mixing and vulcanizing the raw materials of the buffer layer according to the proportion, place them on the edge of the opened mold, then place the inner tube in the middle of the mold, close the mold and wrap the vulcanized buffer layer Cover the outer side of the outer layer pipe to obtain a semi-finished water supply pipe. The raw materials and parts by weight of the buffer layer a...
Embodiment 3
[0046] A preparation method of an antibacterial pressure-resistant water supply pipe, the preparation method comprising the steps of:
[0047] (1) Preparation of the inner layer tube: Add the raw materials of the inner layer tube into the extruder according to certain parts by weight, mix and stir evenly, then extrude and form, cool for later use, the raw materials and parts by weight of the inner layer tube are: 200 parts of polyethylene resin, 1 part of antioxidant, 5 parts of plasticizer, 0.8 part of colorant, 20 parts of antibacterial agent;
[0048] (2) Covering of the buffer layer: After mixing and vulcanizing the raw materials of the buffer layer according to the proportion, place them on the edge of the opened mold, then place the inner tube in the middle of the mold, close the mold and wrap the vulcanized buffer layer Cover the outer side of the outer layer pipe to obtain a semi-finished water supply pipe. The raw materials and parts by weight of the buffer layer are:...
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Abstract
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