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A mechanical ventilation system and ventilation method for storing high-moisture rapeseed

A technology of mechanical ventilation and ventilation method, which is applied in the direction of agricultural machinery and implements, botanical equipment and methods, applications, etc., can solve the problems of unreliable storage methods, high short-term storage costs of rapeseed, etc., and solve the problems of high moisture storage, damp heat, etc. High loss efficiency and improved collection and storage capacity

Inactive Publication Date: 2015-11-18
HUBEI ZHONG HE GRAIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problem that the current rapeseed purchase is mainly based on high moisture and high impurity, and the short-term storage cost of high moisture and high impurity rapeseed is high, and the storage method is unreliable. A mechanical ventilation system for high-moisture rapeseed and a ventilation method thereof. The method of the present invention uses mechanical ventilation technology to store rapeseed, and aims to reduce the short-term storage cost of high-moisture rapeseed through mechanical ventilation technology and provide high-moisture rapeseed. The operation standard of mechanical ventilation technology, filling the gap of mechanical ventilation storage technology of high moisture rapeseed

Method used

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  • A mechanical ventilation system and ventilation method for storing high-moisture rapeseed
  • A mechanical ventilation system and ventilation method for storing high-moisture rapeseed
  • A mechanical ventilation system and ventilation method for storing high-moisture rapeseed

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Embodiment 1

[0039] In this embodiment, the national standard tall one-story granary of 60m x 20m x 6m is taken as an example to explain the arrangement of the mechanical ventilation system of the present invention. see figure 1 , figure 2 , figure 1 , figure 2 Only two storage units in some granaries are drawn in the figure for illustration, and the rest of the repeated storage units are not drawn one by one in the figure.

[0040] see figure 1 , figure 2 , a mechanical ventilation system for storing high-moisture rapeseed of the present invention has a granary 1, and the wall 2, the roof (not shown in the figure) and the ground 3 of the granary 1 are all equipped with waterproof and heat-insulating layers , several sets of axial fans 4 are evenly arranged on the top of the wall 2 of the granary 1, especially: a. On the ground 3 of the granary 1, several groups of U-shaped ventilation networks 5 are arranged along the width direction of the granary, and each group of U-shaped The...

Embodiment 2

[0045] In this embodiment, No. ① storage unit is used to store rapeseed with an average moisture content of 22.0%, and the storage time is 61 days. The length × width × height of the granary described in this embodiment=60m×20m×6m, the The distance between the main air duct of the U-shaped ventilation network and the granary wall is 0.5m, the distance between the end of the branch air duct and the granary wall is 0.5m, and the distance between two adjacent air ducts is 0.8m. The height is 4.1m, the length of the ventilation pipe is 3.7m, the two sets of U-shaped ventilation networks and the surrounding space of 0.5m form a storage unit with a storage capacity of 250 tons; 9% of the packaged rapeseed bales are used as sidewalls, and then mechanically ventilated according to the following method:

[0046] (1) Ventilation requirements in fine weather:

[0047] ①Precipitation and ventilation during the day: When the water content of rapeseed is ≥13%, precipitation and ventilation...

Embodiment 3

[0058] In this embodiment, No. ② storage unit is used to store rapeseed with an average moisture content of 23.0%, and the storage time is 59 days. The length × width × height of the granary described in the embodiment = 60m × 20m × 6m. The distance between the main air duct of the U-shaped ventilation network and the granary wall is 0.5m, the distance between the end of the branch air duct and the granary wall is 0.5m, and the distance between two adjacent air ducts is 1.0m. The height is 3.5m, the length of the ventilation pipe is 3.0m, two groups of U-shaped ventilation networks and the surrounding 0.5m space form a storage unit, and the storage capacity is 250 tons; the storage method and the mechanical ventilation method are the same as in Embodiment 2.

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Abstract

The invention discloses a mechanical ventilating system for storing high-moisture rapeseeds and a ventilating method of the mechanical ventilating system. By arranging appropriate U-shaped ventilating networks inside a barn, arranging vertical ventilating pipes on branch air ducts of the U-shaped ventilating networks, forming every two U-shaped ventilating networks into a storage unit, arranging an air dehumidifier between the storage units, limiting the storage amount to air path ratio of each storage unit and reasonably setting the ventilation conditions and the relation between moisture of grain in grain stacks and the temperature of the grain, the aims of reducing the moisture, lowering the temperature of the high-moisture rapeseeds and adjusting the quality of the high-moisture rapeseeds are achieved. By means of the mechanical ventilating system and the ventilating method, the high-moisture rapeseeds can be safely stored within 2 months to 4 months, the cost of enterprises for storing the rapeseeds is reduced to be within 15 yuan per ton, the storage capacity of the enterprises is greatly improved, loss is avoided for farmers, and good economic benefits and social benefits are obtained.

Description

technical field [0001] The invention relates to the technical field of grain storage, in particular to a mechanical ventilation system and a ventilation method for storing high-moisture rapeseed. Background technique [0002] Rapeseed is one of the most important oil crops in my country. Rapeseed oil accounts for more than 40% of the total domestic vegetable oil. In addition, the technology of using rapeseed to produce biodiesel has also been broken. The contradiction between supply and demand of rapeseed is bound to become more prominent in the future. At present, the number of purchasers of rapeseed in the domestic market is increasing, and the purchase of rapeseed in the oil market has formed a trend of panic buying. The purchase of rapeseed with high moisture and high impurities has become an inevitable phenomenon in recent years. The storage of rapeseed with high moisture and high impurities is very unsafe, which is mainly reflected in the following aspects: (1) easy to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01F25/22
Inventor 王成陈新友
Owner HUBEI ZHONG HE GRAIN
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