PE solar insulation pipe
A thermal insulation pipe and solar energy technology, which is applied to tubular objects, other household appliances, household appliances, etc., can solve the problems of frost cracking, poor thermal insulation performance, and easy freezing of thermal insulation pipes, and achieve the effect of changing the easy freezing and improving production efficiency
Inactive Publication Date: 2016-07-27
杜连合
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Problems solved by technology
However, the produced insulation pipes have the disadvantages of easy freezing, cracking and poor thermal insulation performance.
Method used
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[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0017] see figure 1 and figure 2 , in the embodiment of the present invention, the production steps of a kind of solar foam insulation pipe are:
[0018] (1) Firstly, the material is extruded from the inner tube extruder, then shaped by the vacuum sizing forming machine, then pulled out by the first tractor, and sent to the co-extrusion head;
[0019] (2) Low-density polyethylene high-pressure foaming material and foaming regulator are fully m...
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The invention discloses a PE solar insulation pipe. The process steps are as below: first, extruding the materials from an inner tube extruder, then molding by a vacuum sizing molding machine, pulling by a first tractor, and sending the materials into a coextrusion-type head; thoroughly mixing a low density polyethylene high pressure foam material and a foaming regulator; adding the mixed material into a foam extruder, sufficiently melting in the foaming extruder by high pressure and high temperature of a lengthening mixing screw combined with the auxiliary catalysis of liquefied butane gas to reach a coextrusion head; integrating the material extruded by a sheath extruder and the material extruded by the foaming extruder within the coextrusion head; coating an inner tube sent by a first tractor with the extruded material, foaming, sending into a first cooling air bellows and a second cooling air bellows for shaping; and pulling out by a second tractor, and conveying the shaped tubing to a winding machine. The invention substantially increases production efficiency and has good insulating pipe performance.
Description
technical field [0001] The invention belongs to the manufacturing field of thermal insulation pipes, in particular to a PE solar thermal insulation pipe. Background technique [0002] PE insulation pipe is a kind of plastic pipe with unique design, adopting BM separate high-efficiency screw, high degree of automation, convenient operation, continuous production, stable and reliable. It is mainly composed of extruder, machine head, cooling water tank, tractor, cutting machine, tube clamping machine, bracket and electrical control part, etc. The middle layer is polyurethane foam layer, and the inner layer is steel pipe. The PE insulation pipe production line is mainly used for the production of large-diameter PE insulation pipes, and can also produce water supply pipes and drainage pipes. The pipe has many characteristics such as non-toxic, odorless, non-corrosive, anti-aging, and good weather resistance. The product is mainly used in the outer layer of heating pipes. Howeve...
Claims
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IPC IPC(8): B29D23/00
Inventor 杜连合
Owner 杜连合