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A controlled-atmosphere low-temperature storage oil hoard with a photovoltaic power generation system

A photovoltaic power generation system and low-temperature storage technology, which is applied in the field of low-temperature storage devices for oil and gas controlled nitrogen filling, can solve the problems of oxidative rancidity, toxic and harmful substances, and easy thermal oxidation, and achieves inhibition of oil oxidation, prolonging shelf life, and reducing thermal decomposition. Effect

Active Publication Date: 2016-01-20
HARBIN UNIV OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of short storage time of existing oils and fats, easy thermal oxidation, thermal decomposition to produce toxic and harmful substances, oxidative rancidity and other problems, the invention adds a photovoltaic power generation system and a refrigeration system on the basis of controlled atmosphere nitrogen storage, and effectively utilizes green Refrigerating the oil storage not only solves a series of problems during conventional storage, but also avoids the problem that the addition of antioxidants during oil storage affects the quality and taste of the oil. Adding a photovoltaic power generation device on the top of the oil tank, the oil tank A refrigeration device is added around, and the electric energy converted from the solar energy collected by the photovoltaic power generation device is used as the power source of the refrigeration system to cool and store the grease

Method used

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  • A controlled-atmosphere low-temperature storage oil hoard with a photovoltaic power generation system

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specific Embodiment approach 1

[0008] Specific implementation mode one: as figure 1 As shown, the controlled atmosphere low-temperature storage oil tank with photovoltaic power generation system described in this embodiment includes an inlet hole (1), an oil pipe (2), a tank body (3), a liquid seal device (4), a nitrogen cylinder (5 ), cooling pipeline (6), breathing hole (7), refrigeration system (8), pump (9), solar panel (10), bracket (11), DC junction box (12), grid-connected inverter device (13), grid-connected cabinet (14), the lower end of the inlet hole (1) is communicated with the lower end of the tank body (3), and the liquid seal device (4) is communicated with the tank body (3) through an air regulating pipe, The breathing hole (7) communicates with the upper end of the tank body (3), the oil inlet pipe communicates with the lower end of the tank body (3) through the oil pipe (2), and the oil outlet pipe communicates with the tank body (3) through the oil pipe (2), so The nitrogen cylinder (5) ...

specific Embodiment approach 2

[0009] Specific implementation mode two: as figure 1 As shown, in this embodiment, a controlled-atmosphere low-temperature oil storage device with a photovoltaic power generation system described in this embodiment also includes that the solar panel (10) in the photovoltaic power generation device is fixed to the roof of the oil storage through a bracket (11) , and the entire roof is fixed with solar panels (10), and the lower end is sequentially connected with a DC junction box (12), a grid-connected inverter (13), and a grid-connected cabinet (14).

specific Embodiment approach 3

[0010] Specific implementation mode three: as figure 1 As shown in this embodiment, the nitrogen used in the controlled atmosphere low-temperature storage oil storage device with a photovoltaic power generation system described in this embodiment is provided by the nitrogen cylinder (5), and is passed through the liquid seal device (4) The synergistic effect makes the nitrogen volume percentage in the tank body (3) be at a constant value.

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Abstract

The invention discloses a controlled atmosphere low-temperature oil reservoir with a photovoltaic power generation system, for solving the problems that oil is short in normal storage time, easy to be oxidized and the like. A photovoltaic power generation device, a refrigeration device and an atmosphere controlling device act on the oil together so as to store up the oil. The oil reservoir comprises a solar battery panel, a bracket, a direct-current junction box, a grid-connected inverter, a grid-connected cabinet, a refrigeration system, a pump (a salt water pond) and a temperature reducing pipeline, wherein the photovoltaic power generation device enters the refrigeration device through a power grid to cool down the oil; the temperature reducing pipeline in the refrigeration system carries out circulation cooling through the external pump (the salt water pond). On the basis that the constant controlled atmosphere nitrogen charge storage is maintained and the oil is prevented from being oxidized, an oil tank can be refrigerated by converting solar energy into electric energy through photovoltaic power generation, the storage life of the oil is prolonged, and the green energy is effectively utilized.

Description

technical field [0001] The invention relates to a storage device, in particular to a low-temperature storage device for fats and oils with a photovoltaic power generation system, which is controlled by atmosphere and filled with nitrogen. Background technique [0002] Oxidative rancidity often occurs in the case of long-term contact with air for edible oils and fats, resulting in a "hala smell", which reduces or loses the edible value of the oils and fats. Oxidative rancidity is the main reason for the reduction of oil quality, and oil will also produce harmful substances such as aldehydes and ketones after thermal decomposition and thermal oxidation. Oxidative rancidity of oils reduces or loses the edible value of oils and fats, and also causes certain harm to human body or animals after eating. [0003] Air is the main factor that causes oil oxidation, but when the oil is stored, the high external temperature will indirectly affect the quality of the oil. If the oil is st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23D9/06H02S10/00H02J3/38
CPCY02E10/56
Inventor 王立琦隋玉林于殿宇江连洲张春艳
Owner HARBIN UNIV OF COMMERCE
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