Hot-melt connection method of PE (polyethylene) water supply and drainage pipe

A connection method, water supply and drainage technology, applied in the direction of tubular objects, other household appliances, household appliances, etc., can solve the problems of immaturity, and achieve the effect of reducing economic costs, saving labor, and reducing labor.

Active Publication Date: 2013-08-07
INNER MONGOLIA XINGTAI CONSTRAL GRP CO LTD
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  • Abstract
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Problems solved by technology

However, PE pipe hot-melt connection technology is rarely used in engineering units and is still immature.

Method used

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specific Embodiment approach

[0015] Specific embodiments: a method for hot-melt connection of water supply and drainage PE pipes, which includes the following steps,

[0016] (1) Clean the surface of the heating plate, remove the dust and debris on the surface of the heating plate to make the surface clean, plug in the power supply after cleaning, and turn on the power to heat;

[0017] (2) Install the fixture and side wing brackets matching the PE pipe to be welded;

[0018] (3) Place the PE pipe to be welded on the special hot-melt butt welding machine for the drainage PE pipe of the same layer, and clamp it with a clamp;

[0019] (4) After milling the end faces of the two PE pipes to be butt-connected with a milling cutter, check the alignment and make adjustments as needed to check the gap between the end faces of the two PE pipes so that the center is aligned and the top, bottom, left, and right are not aligned. ;

[0020] (5) After the temperature of the heating plate reaches 210±10°C and the temp...

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Abstract

The invention discloses a hot-melt connection method of a PE (polyethylene) water supply and drainage pipe. The hot-melt connection method comprises the following steps of: (1) cleaning the surface of a heating plate, removing dust and impurities on the surface of the heating plate so as to clean the surface, plugging in a socket after the cleaning is finished, and electrifying for heating; (2) installing a clamping apparatus and a side wing bracket matched with a PE pipe to be welded; and (3) placing the PE pipe to be welded on a special hot-melt butt welding machine of a PE water drainage pipe on the same layer, clamping by using the clamping apparatus, and the like. The method has the advantages that the PE tube hot-melt butt welding connection technology suitable for engineering practice is summarized through continuous summarization, analysis and comparison, unnecessary idling and reworking are greatly reduced through PE pipe construction, the labor force is saved, and the economic cost is reduced, so that the method can be widely popularized.

Description

technical field [0001] The invention relates to a PE pipe connection method, in particular to a water supply and drainage PE pipe hot-melt connection method. Background technique [0002] At present, there are various kinds of water supply and drainage pipes in the construction, reconstruction and expansion of houses. Galvanized steel pipe is easy to rust, scale, and breed harmful impurities such as bacteria and microorganisms on the inner wall, causing tap water to cause "secondary pollution" during pipeline transportation. Oxygen and light transmission of PPR pipes affect water quality, the pipe diameter is slightly thick, the right angle of welding is not accurate enough, PPR has a large expansion coefficient and low temperature resistance; UPVC and PVC pipes have poor impact resistance, poor tensile strength and toughness, and low softening temperature. Easily deformed by heat. Welded steel pipes often have incomplete penetration and infusion. Cast iron pipes are pron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/02B29L23/00
Inventor 韩凤飞尚振国杜海亮吕文武杨永利马政
Owner INNER MONGOLIA XINGTAI CONSTRAL GRP CO LTD
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