Bridging process integrated composite electron irradiation cross-linked polyethylene foaming thermal insulation pipe

Abstract

The utility model discloses a bridging process integrated composite electron irradiation crosslinked polyethylene foaming thermal insulation pipe which comprises a hollow inner pipe, the outer side of the hollow inner pipe is coated with an isolation layer, the outer side of the isolation layer is sleeved with a thermal insulation layer sleeve, and the outer side of the thermal insulation layer sleeve is sleeved with a protective sleeve. The isolating layer is a linear low-density polyethylene layer, and the hollow inner pipe, the isolating layer, the heat preservation layer sleeve and the protective sleeve are connected into an integrated structure. The high-temperature-resistant hollow pipe is reasonable in structural arrangement, the insulating layer wraps the outer side of the hollow inner pipe, the insulating layer sleeve is arranged on the outer side of the insulating layer, and the protective sleeve is arranged on the outer side of the insulating layer sleeve, so that the high-temperature-resistant performance can be better improved through the insulating layer, the hollow inner pipe can be isolated from the outside, and the service life of the hollow inner pipe is prolonged. The heat preservation layer sleeve is prevented from being affected by high temperature, the heat preservation effect is improved through cooperation of the heat preservation layer sleeve, the high-temperature-resistant performance of the whole structure can be improved through cooperation of the protection sleeve layer, and applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heat preservation pipe, and particularly relates to a bridging process integrated composite electron irradiation crosslinking polyethylene foaming heat preservation pipe. BACKGROUND

[0002] In general cooling system or hot water system supply, heat preservation pipe is usually used to maintain the low temperature or high temperature state of the internal liquid conveying to ensure the normal operation of the system and reduce energy loss, so as to achieve the effect of energy saving. As a common heat preservation and conveying structure, the heat preservation pipe generally comprises a hollow inner tube and a heat preservation sleeve pipe sleeved outside the hollow inner tube, and a protective sleeve is arranged outside the heat preservation sleeve pipe. For example, CN201120130056.0, although it can meet the general use requirements, the heat preservation effect is limited, and there is still a lot of energy loss in the conveying process, so the applicability is limited. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of bridging process integrated composite electron irradiation crosslinking polyethylene foaming heat preservation pipes, and the structure is reasonably arranged and is beneficial to promote heat preservation effect.

[0004] The technical scheme for achieving the utility model is a kind of bridging process integrated composite electron irradiation crosslinking polyethylene foaming heat preservation pipe, including hollow inner tube, the outside of the hollow inner tube is covered with isolation layer, the outside of the isolation layer is equipped with heat preservation layer sleeve pipe, the outside of the heat preservation layer sleeve pipe is equipped with protective sleeve.

[0005] The isolation layer is linear low-density polyethylene layer, and hollow inner tube, isolation layer, heat preservation layer sleeve pipe and protective sleeve are connected into integrated structure whole.

[0006] Further preferably, the protective sleeve is a linear low-density polyethylene sleeve.

[0007] Further preferably, the heat preservation layer sleeve pipe is an electron irradiation crosslinking polyethylene sleeve pipe.

[0008] Further preferably, the wall thickness of the heat preservation layer sleeve pipe is greater than the thickness of the isolation layer.

[0009] Further preferably, the thickness of the isolation layer is the same as the thickness of the protective sleeve.

[0010] The utility model discloses a positive effect has: the utility model discloses the structure setting is reasonable, its outside hollow inner tube is covered with the isolation layer, and the heat preservation layer sleeve pipe is set up on the outside of isolation layer, and the protective sleeve is set up on the outside of heat preservation layer sleeve pipe, and the isolation layer can better promote the high temperature resistance, can also isolate hollow inner tube with outside simultaneously, is favorable to avoid high temperature influence heat preservation layer sleeve pipe, and the heat preservation layer sleeve pipe is favorable to promote the heat preservation effect with cooperation protective sleeve layer, can promote the high temperature resistance of overall structure, and the suitability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to make the content of the utility model more easily be clearly understood, below according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:

[0012] Figure 1 It is the structure schematic diagram of the utility model;

[0013] Figure 2 It is the cutaway structure schematic diagram of the utility model.

[0014] Reference signs: hollow inner tube 1, isolation layer 2, heat preservation layer sleeve pipe 3, protective sleeve 4. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0016] EMBODIMENT

[0017] See Figure 1 And Figure 2 As shown in the figure, a bridge construction process integrated composite electron irradiation crosslinking polyethylene foamed heat preservation pipe, including hollow inner tube 1, the outside hollow inner tube is covered with the isolation layer 2, the outside isolation layer is equipped with the heat preservation layer sleeve pipe 3, and the outside heat preservation layer sleeve pipe is equipped with the protective sleeve 4;In this embodiment, the hollow inner tube is the conventional structure of prior art, can be metal pipe, also can be plastic pipe and other hard pipe material, just simply apply, therefore is not recorded in detail, the outside hollow inner tube is covered with the isolation layer, and the thickness of its isolation layer can be processed according to need and set, can better promote the high temperature resistance, can also isolate hollow inner tube with outside simultaneously, avoid high temperature influence heat preservation layer sleeve pipe, and cooperate heat preservation layer sleeve pipe and protective sleeve, also be favorable to promote the heat preservation performance of overall structure, and the suitability is strong;

[0018] In practical application, the isolation layer is a linear low-density polyethylene layer, and the hollow inner tube, the isolation layer, the thermal insulation layer sleeve and the protective sleeve are connected into an integrated structure as a whole. The protective sleeve is a linear low-density polyethylene sleeve. The thermal insulation layer sleeve is an electron irradiation cross-linked polyethylene sleeve (IXPE). The wall thickness of the thermal insulation layer sleeve is greater than the thickness of the isolation layer. The thickness of the isolation layer is the same as the thickness of the protective sleeve. After the foaming treatment of the polyethylene material through the bridging process, the polyethylene foaming thermal insulation layer has the characteristics of strong ultraviolet resistance and aging resistance, and has a longer service life. The foaming layer has a foaming multiple of more than 20 times, so that the weight of the thermal insulation layer is lighter, which is beneficial to improve the application range.

[0019] The utility model has the positive effect: the structure setting of the utility model is reasonable, it is covered with the isolation layer in the hollow inner tube's outside, and setting thermal insulation layer sleeve in the outside of isolation layer, it is provided with the protective sleeve in the outside of thermal insulation layer sleeve, can better promote the high temperature resistance through the isolation layer, can also isolate the hollow inner tube and outside, it is favorable to avoid the influence of high temperature to thermal insulation layer sleeve, and it is favorable to promote the heat preservation effect with thermal insulation layer sleeve, and cooperation protective sleeve layer can promote the high temperature resistance of whole structure, and applicability is strong.

[0020] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional type in the existing technology, so the specific description is not made here.

[0021] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The changes or changes extended from the essential spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A bridging-type integrated composite electron irradiation cross-linked polyethylene foam insulation pipe, comprising a hollow inner tube, characterized in that: The hollow inner tube is covered with an isolation layer, and an insulation sleeve is fitted on the outside of the isolation layer. A protective sleeve is fitted on the outside of the insulation sleeve. The isolation layer is a linear low-density polyethylene layer, and the hollow inner tube, isolation layer, insulation sleeve and protective sleeve are connected into an integrated structure.

2. The integrated composite electron irradiation cross-linked polyethylene foam insulation pipe according to claim 1, characterized in that: The protective sleeve is a linear low-density polyethylene sleeve.

3. The integrated composite electron irradiation cross-linked polyethylene foam insulation pipe with bridging process according to claim 2, characterized in that: The insulation layer sleeve is an electron-irradiated cross-linked polyethylene sleeve.

4. The integrated composite electron irradiation cross-linked polyethylene foam insulation pipe according to claim 1, characterized in that: The wall thickness of the insulation sleeve is greater than the thickness of the isolation layer.

5. The integrated composite electron irradiation cross-linked polyethylene foam insulation pipe according to claim 4, characterized in that: The thickness of the isolation layer is the same as the thickness of the protective sleeve.

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