W式聚焦光热太阳能油田集输管线加热系统

Abstract

一种W式聚焦光热太阳能油田集输管线加热系统，涉及油田管线加热技术领域。包括主管道，主管道串联在油田集输管线上；导热管道包括集热管、汇管和换热管；集热管位于主管道外侧的上方，各集热管沿着主管道的轴线方向平行设置；换热管设置在所述主管道的内部；导热管道内填充有液态传热工质；透光绝热管设置在各所述集热管的外侧，透光绝热管与集热管共同围成环形密闭空间；所述透光绝热管与所述主管道之间设置有聚光体，聚光体上加工有W形聚光槽，W形聚光槽的内侧面上设置有反光镜面。本实用新型创造性地直接将太阳能转化为热能，继而为油田集输管线加热，与现有技术相比，无能源成本，不用布线，更容易安装，无安全隐患。

Claims

1. A W-shaped focused light thermal solar oilfield gathering pipeline heating system, characterized in that, include: Main pipeline (1), main pipeline (1) is connected in series with the oilfield gathering and transportation pipeline; The heat-conducting pipe is a fully enclosed structure, including a heat-collecting pipe (7), a manifold (9), and a heat-exchange pipe (10). The heat-collecting pipe (7) is located above the outside of the main pipe (1), and each heat-collecting pipe (7) is arranged parallel to the axis of the main pipe (1). There are two manifolds (9), and the two ends of each heat-collecting pipe (7) are respectively connected to the sides of the two manifolds (9). The heat-exchange pipe (10) is located inside the main pipe (1), and the two ends of the heat-exchange pipe (10) pass through the pipe wall of the main pipe (1) and are respectively connected to the two manifolds (9). The heat-conducting pipe is filled with a liquid heat transfer medium (8). The light-transmitting heat-insulating tube (5) is set on the outside of each of the heat collection tubes (7). It is a double-layer vacuum glass tube. The light-transmitting heat-insulating tube (5) and the heat collection tube (7) together form an annular sealed space. A light-concentrating body (3) is provided between the light-transmitting heat-insulating pipe (5) and the main pipe (1). A W-shaped light-concentrating groove (6) is processed on the side of the light-transmitting heat-insulating pipe (5). A reflective mirror (4) is provided on the inner side of the W-shaped light-concentrating groove (6). The reflective mirror (4) can refract sunlight onto the surface of the light-transmitting heat-insulating pipe (5), thereby increasing the amount of light received by the light-transmitting heat-insulating pipe (5). There are at least two W-shaped focusing grooves (6), and each W-shaped focusing groove (6) is arranged along the outer circumference of the main pipe (1); An insulation layer (2) is installed on the outside of the main pipe (1).

2. The W-type focusing solar thermal oilfield gathering and transmission pipeline heating system according to claim 1, characterized in that: Both the light-concentrating body (3) and the insulation layer (2) are made of foamed material and are integrally formed.

3. A W-shaped focused photothermal solar oilfield gathering pipeline heating system according to any one of claims 1-2, characterized in that: The liquid heat transfer medium (8) fills the heat-conducting pipe.

4. A W-shaped focused light thermal solar oilfield gathering pipeline heating system according to claim 3, characterized in that: The liquid heat transfer medium (8) is either water or heat transfer oil.

5. A W-shaped focused photothermal solar oilfield gathering pipeline heating system according to any one of claims 1-2, characterized in that: The heat-conducting pipe is a heat pipe structure, and a copper powder layer is sintered on the inner wall of the heat-conducting pipe, which serves as the liquid absorber of the heat pipe structure. A skeleton made of copper mesh is set inside the copper powder layer.

6. A W-shaped focused photothermal solar oilfield gathering pipeline heating system according to claim 5, characterized in that: The liquid heat transfer medium (8) is either water or ammonia.

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