Foam insulated pipe plugging device and plugging method

A technology of plugging device and heat preservation pipe, which is applied in the direction of heat preservation, pipeline protection through heat insulation, pipeline protection, etc., to achieve the effects of improving product quality and labor efficiency, good sealing effect, and convenient disassembly and assembly

Active Publication Date: 2013-04-24
中石化胜利油建工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Steel pipe sleeve steel pipe polyurethane foam insulation pipe, the distance between the foam insulation layer at both ends and the end of the outer pipe is required to be 200mm and 400mm, and the head of

Method used

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  • Foam insulated pipe plugging device and plugging method
  • Foam insulated pipe plugging device and plugging method
  • Foam insulated pipe plugging device and plugging method

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[0027] Next, the foam insulation pipe plugging device and its plugging method of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] Since different types of steel pipe sleeves, steel pipes, polyurethane foam insulation pipe foaming special plugging devices have the same structure and the same working principle, the outer pipe is φ508×12.7mm, and the inner pipe is φ406×25.4mm. The plugging device is explained as an example.

[0029] according to figure 1 with figure 2 As shown, the foam insulation pipe plugging device has a structure including a regulator and a plugger. The regulator is mainly a support plate 7 sleeved on the outer walls 10 and 11 of the inner pipe of the heat preservation pipe and against the end of the outer pipe; The two sides of the support plate are respectively welded with an outer tube adjusting bolt 1 and an inner tube adjusting bolt 8 for respectively pressing and adjusting; the plugging device is ...

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Abstract

The invention discloses a foam insulated pipe plugging device and plugging method. The plugging device structurally comprises an adjustor and a plugging device, wherein the adjustor is mainly a supporting plate which is sleeved on the outer wall of an inner pipe of an insulated pipe and leans against the end portion of an opening of an outer pipe, and two side faces of the supporting plate are respectively provided with an outer pipe adjusting bolt and an inner pipe adjusting bolt which are respectively used for pressing and adjusting in a welding mode. The plugging device mainly comprises the supporting plate, a pressing plate, a pressing bolt and a seal rubber pipe, wherein the plugging device is tightly sleeved between the inner pipe and the outer pipe. The foam insulated pipe plugging device plays a seal function on polyurethane foam materials, meanwhile can adjust concentricity of the inner pipe and the outer pipe, and is good in plugging effect, convenient to assemble and disassemble, capable of greatly reducing labor intensity of workers, and capable of effectively improving product quality and labor efficiency.

Description

technical field [0001] The invention relates to the plugging construction of a foam insulation pipe in which the inner pipe is a steel pipe, the outer protection pipe is a steel pipe, and polyurethane foam is used for insulation between the inner and outer pipes, specifically the foam insulation pipe plugging device and its plugging method. Background technique [0002] At present, the internal sizing plugging device of the pipe end of the PE outer sheath foam insulation pipe is composed of a positioning plate and a locking bolt. Insulated pipe with polyurethane foam. Its working principle is: install the inner sizing occluder in the annular space between the PE pipe and the end of the steel pipe with a sledgehammer along the axial direction of the steel pipe, and lock the occluder with locking bolts. [0003] When the gap between the inner diameter of the occluder and the outer wall of the inner tube is small, the installation of the occluder is more difficult, especially ...

Claims

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Application Information

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IPC IPC(8): F16L59/02
Inventor 林海龙贾芳民孙伟杨学丽李强
Owner 中石化胜利油建工程有限公司
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