CN203251672U - Grain drying and storage granary - Google Patents

Abstract

The utility model discloses a drying grain storage silo, which is characterized in that it comprises a grain storage box, the grain storage box is provided with a plurality of air ducts, one end of the air ducts is connected with a ventilation duct, and a plurality of air ducts are arranged on the air ducts. A ventilation hole, the top of the grain storage box can be opened as a grain inlet, the bottom of the grain storage box is provided with a ventilation cavity, the top surface of the ventilation cavity is a sieve plate, and the ventilation cavity corresponds to the wind Both ends of the pipe are provided with air holes, and the air hole at one end is connected with the ventilation pipe. The two ends of the air pipe and the air holes in the ventilation cavity are opened and closed by valve control. There is a food outlet below. The utility model has a simple and practical structure, can put the harvested high-moisture grains into the cabinet at one time, and carry out three-dimensional multi-layer bidirectional low-temperature drying of the grain piles, so that the grains can quickly and safely store moisture, solve the drying problem of high-moisture grains, and ensure that the grains integrity.

Description

A dry grain storage bin

technical field

The utility model relates to a drying grain storage bin. the

Background technique

The "post-harvest loss" of my country's grain production is astonishing. According to data from the Ministry of Agriculture, due to poor facilities, primitive methods, and backward technology, the post-harvest loss rate of my country's grain is as high as 8% to 15%, which is much higher than the post-harvest loss rate of 3% in developed countries. According to rough statistics, even if calculated on the basis of 8% loss, the annual grain loss amounts to 70 billion catties. Therefore, inventing a kind of drying equipment and simple fresh-keeping storage method that is easy to popularize, economical and practical, suitable for my country's national conditions and can maintain the original quality of grain is of great significance. Important political significance and economic value. the

For the existing national grain reserve depots and local grain reserve depots, storage management usually needs to consider aspects such as grain situation detection, intelligent ventilation, grain cooling, and low-dose circulation fumigation, and the ventilation ducts are arranged in a local horizontal direction on a single floor . The effects of intelligent ventilation and cooling, precipitation, grain cooling and low-dose circulation fumigation are still not ideal, let alone timely processing of high-moisture and wet grain harvested in the production area when large-scale harvesting in rural areas is carried out. the

Contents of the invention

The purpose of this utility model is to address the above-mentioned deficiencies in the prior art, to provide a grain drying and storage bin that does not damage grains and has the functions of ventilating and drying, fumigation and insecticide, grain cooling, tempering and humidification. the

The technical scheme that the utility model adopts is as follows:

A dry grain storage silo, characterized in that it comprises a grain storage box, a plurality of air ducts are arranged in the grain storage box, one end of the air ducts is connected with a ventilation duct, and a plurality of air ducts are arranged on the air ducts. Ventilation holes, the top of the grain storage box can be opened as a grain inlet, the bottom of the grain storage box is provided with a ventilation cavity, the top surface of the ventilation cavity is a sieve plate, and the ventilation cavity corresponds to Both ends of the air duct are provided with air holes, and the air hole at one end is connected with the ventilation pipe. The two ends of the air pipe and the air holes in the ventilation cavity are opened and closed by valve control. A grain outlet is arranged below the side wall.

The multiple air ducts are arranged in layers, and the air ducts are PVC pipes or metal pipes. the

The distance between the two adjacent layers of the air duct is 60cm

The pipe diameter of the air duct is 110mm, and the diameter of the ventilation hole on the air duct is 2.5mm.

The grain storage box is installed on the vehicle frame, and wheels are installed on the bottom of the vehicle frame. the

A partition is arranged inside the grain storage box, and the partition is arranged vertically and parallel to the air duct. the

The grain outlet is set on the lower part of the side wall of the other end of the grain storage box opposite to the ventilation duct, the bottom of this end of the grain storage box is hinged to the bottom below the grain storage box, and the other end of the grain storage box is set A jack is arranged, and the end of the piston rod of the jack is connected to the base at the bottom of the grain storage box. the

A plurality of grain condition detection holes are arranged on the side wall of the grain storage box. the

The side wall, top and bottom of the grain storage box are made of color steel plate with insulation layer. the

The structure of the air holes of the ventilation cavity and the valves at both ends of the air pipe includes a motor and a baffle, and the left and right ends of the baffle are connected with the rotating shaft of the motor. the

The beneficial effects of the utility model have:

The structure is simple and practical, and it can put the harvested high-moisture grains into the warehouse at one time (it can be manually moved or driven in by a conveyor), and the three-dimensional, multi-layer, two-way low-temperature drying of the grain pile can be carried out, so that the grain can reach the safe storage moisture in time and quickly. To solve the drying problem of high-moisture grains, it can do whole warehouse circulation fumigation pest control, grain cooling and uniform temperature storage, grain conditioning and humidification during temporary storage. It not only improves the quality of grain, enhances the ability to deal with extreme disaster weather, but also greatly reduces the post-harvest loss of grain, and improves the economic benefits of growing grain. Complete the integrated innovation of the last mile of agricultural mechanization.

The functions of this utility model are:

Intelligent ventilation: The high-power fan outside the grain preservation storage warehouse is connected to the sieve plate at the bottom of the warehouse and the multi-layer two-way air inlet and outlet PVC perforated air duct of the grain pile. After the grain enters the warehouse, the intelligent control system is activated to allow the air flow to pass through evenly. Grain piles can effectively cool down, dewater, and fumigate the grains, and play the role of conditioning and eliminating residual poisons and odors.

Grain cooling: The air-conditioning equipment installed outside the warehouse, through the air duct, blows the cold air into the warehouse and reaches the grain pile, which is used for emergency treatment of hot grain, prevention of condensation, storage of high-moisture grain, inhibition of insect mold, and maintenance of quality. the

Circulation fumigation: through the ventilation holes arranged on the air duct of the grain pile and the air duct, it can make the poisonous gas spread quickly and evenly in the grain pile, reduce the labor intensity of dosing, reduce the time of personnel contacting the poisonous gas, and achieve good insecticidal effect . the

Ventilation and tempering: the water vapor is input into the grain pile by air, and through three stages of humidification and ventilation, slow release storage and balanced ventilation, the purpose of increasing the moisture content of grain and improving the quality of grain processing is achieved. the

The utility model successfully solves the last mile of agricultural mechanization—the problem of high-moisture grain harvesting and dry production areas. It is a practical drying and green environmental protection technology with very low cost, and it is also an effective method to ensure high grain yield and harvest, increase farmers' income, and reduce farmers' labor intensity and economic burden. the

Using this invention to dry grain, the grain does not move during the drying process, but the wind direction changes and flows, so the grain grains will not be damaged (no bucket elevator and auger, scraper discharge machine), and the original flavor of the grain can be maintained , edible value and reprocessing quality, to ensure the stability of simple fresh-keeping storage of grain after low-temperature drying. At the same time, making my country's grain post-harvest processing machinery reach the international advanced level is the specific practice of doing a good job in the three articles of "widely accumulating grain, accumulating good grain, and accumulating grain well", which is of great significance to national food security. the

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the utility model. the

Fig. 2 is a three-dimensional structural schematic diagram of the utility model when the top plate is opened. the

Fig. 3 is a schematic view of the end structure of the utility model when the top plate is opened. the

Fig. 4 is a side view structural schematic diagram of the utility model when the top plate is opened. the

Fig. 5 is a schematic diagram of the three-dimensional structure of the utility model when the top plate is closed. the

Fig. 6 is a schematic structural view of the utility model when the jack is set to become a self-unloading structure. the

Fig. 7 is a structural schematic diagram of the valve at the port of the air pipe of the present invention. the

Fig. 8 is one of the structural schematic diagrams of the ventilation workflow of the utility model. the

Fig. 9 is the second structural diagram of the ventilation workflow of the utility model. the

Fig. 10 is the third structural diagram of the ventilation workflow of the utility model. the

Fig. 11 is the fourth structural diagram of the ventilation workflow of the utility model. the

Fig. 12 is the fifth structural diagram of the ventilation workflow of the utility model. the

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in the accompanying drawing 1, the utility model includes a grain storage box 1, which is provided with a plurality of air ducts 2 arranged in layers, and between two adjacent layers The distance between them is no more than 1m, and the distance between the two adjacent layers of the air duct 2 is preferably 60cm, so as to improve the effective volume of the grain storage box 1 while ensuring the drying effect. One end of the air pipe 2 is connected with the ventilation pipe 3, and can be connected with the hot blast stove through the pipe 3 to provide the hot air needed for drying the grain, and can also be connected with the air cooler or the medicine delivery device according to different functional needs. A plurality of ventilation holes 4 are arranged on the air duct 2. The air duct 2 is made of a PVC pipe or a metal pipe with a diameter of 110 mm. The diameter of the ventilation holes 4 on the air duct 2 is 2.5 mm. PVC pipes are usually used because of their lower cost.

As shown in Figures 2-6, the top plate 12 of the grain storage box 1 of the utility model can be opened as a grain inlet. The bottom of the grain storage box 1 is provided with a ventilation cavity 5, and the top surface of the ventilation cavity 5 is a sieve plate 6, and the two ends of the ventilation cavity 5 corresponding to the air duct 2 are provided with air holes 7, one of which is The air hole 7 is connected with the ventilation duct 3. The two ends of the air pipe 2 and the air hole 7 of the ventilation cavity 5 are opened and closed by valve control. The structure of the valve here can be composed of a motor 10 and a baffle 11 (as shown in Figure 7), and the baffle 11 The left end or right end is connected with the rotating shaft of motor 10, when the rotating shaft of motor 10 rotates, can drive baffle plate 11 to turn over, thereby realizes opening and closing to air duct 2 end and air hole 7. the

As shown in Figure 4, a grain outlet 13 is provided below the side wall of the grain storage box 1 of the utility model, and the grain outlet 13 is preferably arranged at the lower part of the side wall at the other end of the grain storage box 1 opposite to the ventilation duct 3 . The bottom of this end of the grain storage box body 1 can be hinged with the bottom of the grain storage box body 1 below, and a jack 8 can be arranged on the side wall of the other end of the grain storage box body 1, and the piston rod end of the jack 8 is connected to the grain storage box body. 1 The base at the bottom is connected, so that the utility model has a self-unloading function. the

The grain storage box body 1 of the utility model can also be installed on the vehicle frame, and the bottom of the vehicle frame is equipped with wheels. The vehicle frame and wheels are installed, so that the utility model can work with the flow of the harvester, and the service period is synchronized with the harvester, and the input-output ratio is higher. It is the most economical device for large grain growers, family farms, agricultural cooperatives and large and medium-sized grain warehouses to temporarily store grain. the

According to requirements, a partition can be arranged in the grain storage box 1 , and the partition is vertically arranged and parallel to the air duct 2 . After the separator is added, the utility model can simultaneously dry multiple varieties or a small amount of grain from several large households. the

The side wall of the grain storage box 1 of the utility model is preferably made of a color steel plate with an insulating layer, and a plurality of grain detection holes 9 can be set on the side wall of the grain storage box 1 to detect the grain storage box 1 in time. The temperature, humidity and other data of the internal grain, and then adjust the air supply in time through the control system. The reinforcing rib 14 that plays a supporting role can also be installed below the grain storage box body 1 inner wall and the sieve plate 6 . the

The working process of the present utility model is as follows:

As shown in Figure 8, initially, the air hole 7 at one end of the ventilation cavity 5 is opened, and the other end is closed. Grain box body 1 inside. At this time, the air duct 2 of multiple layers is all opened at one end and closed at the other end, and the hot air coming out from the sieve hole on the sieve plate 6 enters the air duct 2 from the ventilation hole 4 of the air duct 2 after the grain on the bottom layer is dried. inside, and then out through the open end. As shown in Figure 9, after closing the air hole 7 that was in the open state before the ventilation cavity 5, open the other end air hole that was in the closed state before, and close the port that was opened before the bottom air duct 2 at the same time, and open it instead. At this time, the hot air enters the grain storage box 1 from the ventilation hole 4 of the air duct 2, and dries the grain on the second layer. The upward hot air is discharged from the port opened by the upper air duct, and the downward air The hot air enters the ventilation cavity 5 from the sieve holes of the sieve plate 6, and is discharged from the opened air holes. After that, as shown in Figure 10-12, the ports of the air duct 2 are opened and closed in sequence, and the hot air is gradually dried from the bottom grain to the upper grain in the grain storage box 1. During the drying process, only the wind direction of the hot air changes, and there is no other equipment to agitate the grain to be dried, thereby avoiding damage to the grain. And because the grain in the grain storage box 1 is dried from bottom to top, it can be dried when the grain storage box 1 enters the grain, which greatly improves the drying efficiency. After the utility model is provided with the frame and wheels at its bottom, the grain that enters the grain storage box 1 from the grain outlet of the harvester can be dried while the harvester harvests.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to allow people familiar with this technology to understand the content of the present utility model and implement it accordingly, and cannot limit the protection scope of the present utility model. All equivalent transformations or modifications made according to the spirit of the main technical solutions of the utility model shall fall within the protection scope of the utility model. Other unexplained parts involved in the utility model are the same as the prior art. the

Claims (10)

1. dry grain storehouse for one kind, it is characterized in that it comprises grain storage casing (1), be provided with many airducts (2) in the described grain storage casing (1), described airduct (2) one ends link to each other with ventilation shaft (3), described airduct (2) is provided with a plurality of air vents (4), the top of described grain storage casing (1) can be opened, as grain-entering mouth, the bottom of described grain storage casing (1) is provided with ventilation cavity (5), the end face of ventilation cavity (5) is sieve tray (6), the two ends of the corresponding described airduct of described ventilation cavity (5) (2) are provided with wind hole (7), wherein the wind hole (7) of an end links to each other with ventilation shaft (3), the wind hole (7) of the two ends of described airduct (2) and ventilation cavity (5) is by valve control opening and closing, and the below of described grain storage casing (1) one sidewall is provided with grain outlet (13).

2. oven dry grain storehouse according to claim 1 is characterized in that described many airducts (2) hierarchal arrangement, and described airduct (2) is pvc pipe or metal tube.

3. oven dry grain storehouse according to claim 2 is characterized in that the distance between described airduct (2) adjacent two layers is 60cm.

4. oven dry grain storehouse according to claim 1, the pipe diameter that it is characterized in that described airduct (2) is 110mm, air vent (4) aperture on the airduct (2) is 2.5mm.

5. oven dry grain storehouse according to claim 1 is characterized in that described grain storage casing (1) is installed on the vehicle frame, and the bottom of vehicle frame is equipped with wheel.

6. oven dry grain storehouse according to claim 1 is characterized in that being provided with dividing plate in the described grain storage casing (1), and described dividing plate vertically arranges, and parallel with described airduct (2).

7. oven dry grain storehouse according to claim 1, it is characterized in that described grain outlet (13) is arranged on the upper other end lower sidewall relative with ventilation shaft (3) of grain storage casing (1), the bottom-hinged of the bottom of this end of grain storage casing (1) and grain storage casing (1) below, the other end of described grain storage casing (1) is provided with jack (8), and the piston rod end of described jack (8) links to each other with the base of grain storage casing (1) bottom.

8. oven dry grain storehouse according to claim 1 is characterized in that the sidewall of described grain storage casing (1) is provided with a plurality of grain feelings detections hole (9).

9. oven dry grain storehouse according to claim 1 is characterized in that sidewall, top and the bottom employing of described grain storage casing (1) made with the color steel of heat-insulation layer.

10. oven dry grain storehouse according to claim 1, its structure of valve that it is characterized in that the port, two ends of the wind hole (7) of described ventilation cavity (5) and airduct (2) comprises motor (10) and baffle plate (11), baffle plate (11) left-hand end all links to each other with the rotating shaft of motor (10) with right-hand end, the control wind direction.

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