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Thin wall header with a variable cross-section for solar absorption panels

A technology of solar absorbing panels and solar energy absorption, applied in solar collectors, solar collectors using working fluids, solar collectors in specific environments, etc., can solve problems such as non-optimization, and achieve optimal thickness and temperature gradient small effect

Inactive Publication Date: 2009-03-04
SENER ING Y SISTEMAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This columnar header structure with constant cross-section is not optimal at those places remote from the header feed pipe, the thermal strains created by the cluster transition combined with the mechanical stress that the header has to absorb as a pressure vessel, Causes body wall thickness to be greater than desired, which is also damaging due to thermal strain induced at the junction nozzle where the collector is joined to the solar absorber tube

Method used

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  • Thin wall header with a variable cross-section for solar absorption panels
  • Thin wall header with a variable cross-section for solar absorption panels
  • Thin wall header with a variable cross-section for solar absorption panels

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Embodiment Construction

[0035] figure 1 A side view of the assembly of the current collector 10 of the preferred physical embodiment of the invention, arranged inside a solar absorbing panel 12, is shown. The solar absorber panel 12 is formed by a series of solar absorber tubes 14 parallel to each other and joined by means of joining nozzles 16 for joining the body 18 of the collector 10 .

[0036] The assembly of the collector 10 is formed by a body 18 of variable cross-section and closed side covers 19, which in Figures 2 to 6 shown in . The tube 14 is preferably butt-welded on the joining nozzle 16 .

[0037] Molten salt or the transfer fluid used enters and exits the solar absorber panel through inlet and outlet nozzles 21 joined to the collector 10 . The molten salt or transfer fluid absorbs thermal energy from solar radiation 22 reflected onto tube 14 by a field of heliostats (not shown).

[0038] The collector assembly is used to distribute heated salt or fluid to, or collect salt or flui...

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Abstract

The invention relates to a thin wall header with a variable cross-section for solar absorption panels, manufactured in nickel-based superalloy and formed by a main thin wall body (18) and by a plurality of nozzles (16,21 ). The header (10) is connected to a series of junction nozzles (16) wherein respective solar absorption tubes (14) are connected, and at least one inlet or outlet nozzle (21 ) wherein at least a fed tube is connected. The body (18) can have a spindle shape or can be formed by two frustoconical sections joined by the larger base, and can further have a central cylindrical section at the height of the inlet or outlet nozzles (21 ). It is applicable in the collection of fluids at high temperature, especially in solar panels.

Description

technical field [0001] The present invention relates to a header design, and more particularly to a header design for the distribution and collection of solar absorbing tubes of solar absorbing panels, which belong to the solar central collector and generally have Molten salt, but other high temperature transfer fluids can also be used. Background technique [0002] Thin-walled cylindrical collectors of constant cross-section have previously been used in molten salt receiving panels for solar absorber tubes connected to said collectors by means of machined bushings and nozzles that Next solder to the columnar current collector. Sometimes the nozzle is extruded directly from the columnar collector. Examples of these can be found in US Patent No. 6,736,134B2 or its version in PCT Application WO03 / 021159A2. [0003] Some of these configurations subject the junction area where the collector body joins the solar absorber tubes to high thermal strain, especially in the side reg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/24F28F27/02F24J2/46F24J2/07F24S10/70F24S20/20
CPCF24J2/4649F24J2/24Y02E10/44Y02E10/41F24J2/07F24J2/245F28F21/083F24J2/4647F28F9/0263Y10S165/489F24S80/20F24S80/30F24S20/20F24S10/742F24S10/70F28F9/02Y02E10/40
Inventor J·M·拉塔·佩雷斯
Owner SENER ING Y SISTEMAS
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