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A trough solar collector based on the principle of blackbody absorption

A trough-type solar energy collection device technology, which is applied to solar heat collectors using working fluids, solar heat collectors in specific environments, and solar heat collectors. Low thermal efficiency and other issues, to achieve the effect of improving collection efficiency, absorption efficiency, and heat transfer efficiency

Inactive Publication Date: 2019-11-19
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The invention solves the problems of low collection efficiency, low heat transfer efficiency and large heat loss of heat collection tubes in existing trough solar heat collection technology

Method used

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  • A trough solar collector based on the principle of blackbody absorption
  • A trough solar collector based on the principle of blackbody absorption
  • A trough solar collector based on the principle of blackbody absorption

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specific Embodiment approach 1

[0044] Specific implementation mode one: see Figure 1-Figure 8 This embodiment will be described. A trough solar collection device based on the principle of black body absorption described in this embodiment includes a parabolic heat collecting tube combined with a rotating shaft 1, a parabolic heat collecting tube combined with a rotating shaft driving mechanism, a water pump 2, two heat collecting tube supports 3, an outrigger 4, two Segment of flexible water pipe 5, parabolic reflector 8, crank slider adjustment mechanism, control integrated box 14, temperature sensor 15, photoelectric sensor 16, photoelectric sensor layout plate 17, guide rail support 18, turntable fixed gear 19, heat collector turntable 20. Turntable fixedly connected gear drive mechanism, heat collecting tube 24, support base 25, vertical rotation support 26;

[0045] A turntable fixed gear 19 is installed below the turntable 20 of the heat collector, and the turntable fixed gear 19 is driven by a turn...

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Abstract

The invention provides a slot type solar energy collection device based on a black body absorption principle. A rotary table fixedly-connected gear is installed on the lower portion of a heat collection device rotary table of the device, a paraboloid heat collection tube joint shaft drives two heat collection tube supporting columns and a parabolic reflector to rotate axially, a heat collection tube is installed on the two heat collection tube supporting columns, a water pump is communicated with the heat collection tube through two flexible water tubes to form a water circulation passage, a gap is formed in the side face of the heat collection tube which is of a double circular tube sleeve cavity structure, and an interlayer of a double circular tube is filled with a nanofluid medium; a photoelectric sensor and a temperature sensor transmit a sensed signal to a control integrated box. The problems that for an existing slot type solar energy collection heat collection technology, the heat collection tube heat collection efficiency is low, the heat transmission efficiency is low, and the heat loss is large are solved. Accordingly, the collection efficiency and transmission efficiency are improved, and by means of an aerogel insulating layer, heat loss due to radiation is reduced; by means of a light chasing system and a temperature control system, the whole adaptability of the device is improved.

Description

technical field [0001] The invention relates to a trough-type solar energy collection device, in particular to a trough-type solar energy collection device based on the principle of blackbody absorption, and belongs to the field of solar thermal power generation. Background technique [0002] For nearly 200 years, fossil energy has supported the progress of human civilization and social and economic development. However, due to the huge consumption of human beings and their non-renewability, fossil energy is gradually becoming exhausted. Therefore, new energy has become the new favorite of the times. [0003] There are mainly two types of solar energy utilization methods: photoelectricity and photothermal utilization. Among them, the photoelectric utilization method has high power generation quality, but the efficiency is low, only 20%-30%, and the cost is high. The device is unstable compared with the photothermal utilization method. extremely serious. Photothermal power ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24S10/70F24S23/71F24S20/20F24S30/40
CPCY02E10/44Y02E10/47
Inventor 吴宇颂张昊春李凡张昕博王得鑫戈朝强单心茹邵依林
Owner HARBIN INST OF TECH
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