Photovoltaic and photo-thermal integrated heating system and operation method thereof

A heating system and photothermal technology, applied in the energy field, can solve the problems of inconvenient outdoor energy supply, difficult to meet demand, low energy density, etc., and achieve the effects of increasing the area and power of light energy collection, improving heating, and reducing heating costs.

Pending Publication Date: 2021-11-30
XI'AN PETROLEUM UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] my country's petroleum, chemical and other industries have the problem of long-distance transportation of raw materials by means of pipelines and other measures, and the transportation of high-viscosity raw materials needs to be carried out at a suitable temperature. It is difficult to meet the demand through technical means such as heat preservation, so continuous external heating is required
As a clean energy source, solar energy is limited

Method used

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  • Photovoltaic and photo-thermal integrated heating system and operation method thereof
  • Photovoltaic and photo-thermal integrated heating system and operation method thereof
  • Photovoltaic and photo-thermal integrated heating system and operation method thereof

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Embodiment 1

[0062] On the basis of the disclosed embodiments, an implementation mode of a photovoltaic photothermal integrated heating system is disclosed, such as figure 1 As shown, the photothermal module 2 includes a heating pipeline 21; the medium to be heated enters the heating pipeline 21, and the medium to be heated is heated by the waste heat. Such as image 3 As shown, the heating pipeline 21 and the waste heat utilization method, the medium to be heated enters from the inlet and exits from the outlet, completing the temperature rise, taking away the waste heat generated when the power generation module generates power, and cooling the power generation module to maintain a high photoelectric conversion efficiency temperature. The control module 4 receives the temperature signal of the medium to be heated through the temperature sensor, and controls the heating power of the electric heating module 3 . When the difference between the temperature of the medium to be heated and the...

Embodiment 2

[0070]On the basis of the disclosed embodiments, an implementation mode of a photovoltaic photothermal integrated heating system is disclosed for long-distance transportation of oil field crude oil, including a photovoltaic power generation module 1, a photothermal module 2, an electric heating module 3 and a control module 4; The photovoltaic power generation module 1 includes a photovoltaic power generation unit 11; the photothermal module 2 is arranged below, sideways and under the side of the photovoltaic power generation unit 11 to absorb the waste heat dissipated by the photovoltaic power generation unit 11 during the power generation process; The function of the photovoltaic power generation module 1 includes photovoltaic power generation, electricity storage and power supply; the electric heating module 3 is used for heating; the function of the control module 4 includes the operation of modules in the control system; the photothermal module 2 and the electric heating M...

Embodiment 3

[0090] On the basis of the disclosed embodiments, an implementation mode of photovoltaic photothermal integrated heating system is publicly provided for the 20km long-distance transportation of polymer raw materials in chemical plants to ports. Due to the large transportation volume, corresponding transportation pipelines are constructed, such as figure 1 It includes a photovoltaic power generation module 1, a photothermal module 2, an electric heating module 3 and a control module 4; the photovoltaic power generation module 1 includes a photovoltaic power generation unit 11; the photothermal module 2 is arranged below the photovoltaic power generation unit 11, The sides and sides are used to absorb the waste heat dissipated by the photovoltaic power generation unit 11 during the power generation process; the functions of the photovoltaic power generation module 1 include photovoltaic power generation, power storage and power supply; the electric heating module 3 is used for hea...

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Abstract

The invention relates to the technical field of energy, in particular to a photovoltaic and photo-thermal integrated heating system and an operation method thereof. The system comprises a photovoltaic power generation module, a photo-thermal module, an electric heating module and a control module. The photovoltaic power generation module comprises a photovoltaic power generation unit; the photo-thermal module is used for absorbing waste heat dissipated by the photovoltaic power generation unit in the power generation process; the photo-thermal module and the electric heating module can be used for heating a medium to be heated. The system has the following characteristics that photovoltaic and photo-thermal of solar energy are combined, so that the energy consumption and the heating cost are reduced; the condensation unit is added to further improve the light energy collection area and power, and is integrated with the heat exchange function of the photo-thermal module to avoid the reduction of the efficiency of the power generation module caused by the temperature, and is used for heating the to-be-heated medium to realize cogeneration; when a medium is electrically heated, electromagnetic heating is used, so that the problems of loss and slow heat transfer caused by contact type heating can be avoided, rapid heating can be realized, and the energy utilization efficiency is improved.

Description

technical field [0001] The invention relates to the field of energy technology, in particular to a photovoltaic photothermal integrated heating system and an operating method thereof. Background technique [0002] my country's petroleum, chemical and other industries have the problem of long-distance transportation of raw materials by means of pipelines and other measures, and the transportation of high-viscosity raw materials needs to be carried out at an appropriate temperature. It is difficult to meet the demand through technical means such as heat preservation, so continuous external heating is required. As a clean energy source, solar energy is limited by regional restrictions and weather conditions, with low energy density and low use efficiency. The inventors of the present invention found that: the existing pipeline transportation uses fossil fuel combustion or electric heating, which has the problems of high energy consumption, high cost, and inconvenient outdoor en...

Claims

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Application Information

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IPC IPC(8): H02J7/35H02S10/30H02S40/22H02S40/38H02S40/42H02S40/44F24S20/40F24S50/40
CPCH02J7/35H02S10/30H02S40/22H02S40/425H02S40/44H02S40/38F24S20/40F24S50/40Y02E10/40Y02E10/52Y02E10/56Y02E10/60Y02E70/30Y02P20/10Y02P80/20
Inventor 郝芸吕少华吴松
Owner XI'AN PETROLEUM UNIVERSITY
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