GB/T 40858-2021General requirements and test methods for receivers of solar thermal power plants (English PDF)

1 Scope

This document specifies the use of line-focusing collectors in solar thermal power plants for absorbing focused solar radiation and heating it.

The technical requirements, test methods, durability and technical performance parameters of the heat collection tube that can be transferred to the heat transfer fluid. The collector tube described in this document consists of

It consists of a heat-absorbing tube and an insulating glass sleeve.

Note 1.Most of the test methods contained in this document are applicable to the collector tubes in parabolic trough CSP stations and Fresnel CSP stations.

This document contains the definitions of the technical characteristics, geometric characteristics and performance parameters of the collector tube, as well as the measurement of optical characteristics, heat loss and durability.

Try the method.

Note 2.At present, the accumulated experience of different test methods for collector tubes is not enough to determine which test method is the best. This document describes the currently available

All the different methods used, but no recommended method is defined.

For the sake of clarity, it is hereby stated that the heat loss test results described in this document do not represent the collector tubes installed in the collector field of a commercial power station

The heat loss.

The heat loss value obtained in the indoor test on a single collector tube is significantly lower than that under the actual outdoor operating conditions of the collector field of a commercial power station

The heat loss value. Therefore, the indoor test procedures described in this document are suitable for the performance comparison of collector tubes.

The heat loss considered in the design of the collector field is obtained by testing the complete collector in operation under actual solar conditions.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 13893.2-2019 Determination of moisture resistance of paints and varnishes Part 2.Condensation (in a test chamber with a heated water tank

Internal exposure) (ISO 6270-2.2017, IDT)

ISO 9488 Solar Energy Vocabulary (Solarenergy-Vocabulary)

ISO 9806.2017 Test method for solar solar collectors (Solarenergy-Solarthermalcolectors-

Testmethods)

IEC TS62862-1-1 Solar thermal power plant Part 1-1.Terminology (Solarthermalelectricplants-Part 1-1.

Terminology)

ASTMG173-03 reference solar radiation spectrum standard table. direct normal and hemispherical direction on 37° inclined surface (Standard

TablesforReferenceSolarSpectralIrradiances.DirectNormalandHemisphericalon37°TiltedSur- face)

MIL-E-12397 Eraser, rubber pumice (for testing coated optical components) [Eraser, Rubber-Pumice (fortesting coatedopticalelements)]

3 Terms, definitions, symbols and units

The terms, definitions, symbols and units defined in ISO 9488 and IEC TS62862-1-1 apply to this document.

GB/T 40517 | GB/T 40614 | GB/T 41087 | GB/T 19141 | GB/T 40866 | […]