Low-temperature storage bin for rice

Abstract

The utility model provides a low-temperature rice storage bin which comprises a bin body, the bin body is of a closed box body structure, the bin body is installed on the ground through distributed supporting columns, a feeding bin opening is formed in the upper end of the bin body, and a discharging hopper for guiding out materials is arranged at the lower end of the bin body; the ventilation cooling assembly comprises an air draft part, an air supply part and an evaporation box arranged between the air draft part and the air supply part, and the evaporation box is used for reducing the air supply temperature and humidity. According to the device, regular cold air circulation of the bin body is achieved through the ventilation cooling assembly, heat and water vapor in the bin body are driven through circulating air, heat exchange is conducted in the evaporation box, the water vapor is condensed into water drops, the water drops are collected in the water collecting disc, and therefore the dryness in the bin body is improved. And a dust collecting box is arranged at the lower end of the U-shaped pipe fitting to collect dust impurities falling from the filtering piece, the dust impurities are prevented from being accumulated in the pipeline, the filtering piece filters air, and dust is prevented from entering the evaporation box.

Description

Technical Field

[0001] The utility model relates to the technical field of rice storage bins, in particular to a low-temperature rice storage bin. Background Art

[0002] Rice is typically stored in a warehouse. During storage, the moisture in the rice undergoes chemical reactions, generating heat that accelerates its spoilage. Furthermore, high temperatures can easily breed rice weevils, which is detrimental to rice storage. Therefore, rice should be stored in a cooler environment to extend its shelf life and improve its taste and quality. Utility Model Content

[0003] The technical problem solved by the present invention is to provide a low-temperature rice storage bin to solve the problems raised in the above-mentioned background technology.

[0004] The technical problem solved by the present invention is achieved by adopting the following technical solution: A low-temperature rice storage bin comprising:

[0005] The silo is a box-shaped structure, which is installed on the ground through distributed support columns. The upper end of the silo is provided with a feed port, and the lower end of the silo is provided with a hopper for discharging materials;

[0006] The ventilation and cooling component includes an exhaust part and an air supply part, and an evaporator box arranged between the exhaust part and the air supply part, so as to utilize the evaporator box to reduce the temperature and humidity of the supply air. The exhaust part includes an exhaust pipe arranged at the upper end of the warehouse body and an air guide pipe installed at the outer end of the exhaust pipe. The end of the air guide pipe is connected to the fan to send air into the evaporator box. An evaporator coil is provided in the evaporator box, and the evaporator coil is connected to the compressor to compress the refrigerant and vaporize it in the evaporator box. The air supply part is connected to the side of the evaporator box away from the fan. The air supply part includes an air supply pipe inserted into the warehouse body and branch air pipes distributed and installed on one side of the air supply pipe to introduce cold air into the stacked rice, thereby realizing ventilation and cooling of the rice.

[0007] As a further solution of the utility model:

[0008] The exhaust pipe is laid on the top of the warehouse body, and a plurality of exhaust holes connected with the interior of the warehouse body are distributed in the exhaust pipe to guide the gas on the top of the warehouse body into the exhaust pipe. One end of the exhaust pipe is connected to the air guide pipe.

[0009] As a further solution of the utility model:

[0010] A U-shaped pipe fitting is provided at the lower end of the air duct, and a dust collecting box is installed at the lower end of the U-shaped pipe fitting. A filter element for removing dust from the air duct is provided on the side of the upper end of the U-shaped pipe fitting close to the fan. The filter element includes a filter seat and a filter plate detachably inserted and installed on the filter seat, so that the filter plate can be used to filter out dust impurities in the warehouse body. The dust collecting box is installed at the lower end of the filter plate to receive the dust filtered by the filter plate. A box plate is provided at the outer end of the dust collecting box to facilitate personnel to open the dust collecting box for cleaning.

[0011] As a further solution of the utility model:

[0012] The evaporation coils are arranged vertically along the air supply direction and can be arranged in multiple groups at intervals. Heat dissipation fins are distributed on the outer ends of the evaporation coils to improve heat exchange efficiency. A water collection tray is provided at the lower end of the evaporation box. After exchanging heat with the heat dissipation fins, the air liquefies into water droplets upon cooling. These droplets adhere to the heat dissipation fins and collect in the water collection tray. A water connection is provided on one side of the evaporation box, connected to the water collection tray, to periodically drain the water in the water collection tray. The evaporation box cools the air while reducing the water vapor content in the air, increasing the dryness of the rice environment, thereby improving the storage quality of the rice.

[0013] As a further solution of the utility model:

[0014] One side of the air supply pipe is connected to the evaporation box, and a plurality of branch air pipes are distributed on the air supply pipe. The branch air pipes are provided with small air holes to send cold air into the stacked rice, thereby lowering the temperature of the warehouse body, and driving the hot and humid air in the rice to the top of the warehouse body and being extracted through the exhaust pipe to realize gas circulation.

[0015] As a further solution of the utility model:

[0016] The outer ends of the exhaust pipe, the U-shaped pipe fitting and the air supply pipe are respectively wrapped with a thermal insulation layer to prevent the loss of cold energy.

[0017] As a further solution of the utility model:

[0018] The feed bin port is protrudingly arranged at the outer end of the bin body, and a cover is provided at the upper end of the feed bin port to close the bin body. The lower hopper is a conical structure, and the lower end of the inner side of the bin body is provided with an inclined slope corresponding to the lower hopper to guide the material in the bin body into the lower hopper. A discharge valve is provided at the lower end of the lower hopper for discharging the material.

[0019] Compared with the prior art, the present invention has the following advantages: grain is stored in a silo, and the upper end of the silo is connected to a fan via an exhaust duct and an air guide duct to draw air out of the silo and deliver it to an evaporator. The evaporator utilizes a built-in evaporator coil to exchange heat with the air, lowering the air temperature. Water vapor in the air condenses on the heat dissipation fins, reducing the moisture content of the air. Cool air from the evaporator is directed through the air supply duct into distributed branch ducts and evenly directed through the air holes in the branch ducts into the bottom of the silo. The rising cool air from the bottom removes the hot and humid air from the rice, improving the storage environment and maintaining the rice quality. The device uses a ventilation and cooling component to periodically circulate cool air through the silo. The circulating air draws heat and moisture from the silo, exchanging heat within the evaporator. The moisture condenses into water droplets and collects in a water collection tray, increasing the dryness of the silo. A dust collecting box is provided at the lower end of the U-shaped pipe fitting to collect dust and impurities that fall from the filter element to prevent dust and impurities from accumulating in the pipe. The filter element filters the air to prevent dust from entering the evaporation box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 This is a partial cross-sectional structural diagram of the evaporation box of the present utility model;

[0023] Markings in the figure: 1. Bin body; 2. Fan; 3. Evaporation box; 4. Filter element; 11. Support column; 12. Feeding port; 13. Discharge hopper; 14. Sealing cover; 15. Discharge valve; 21. Exhaust duct; 22. Air guide duct; 23. Air supply duct; 24. Branch duct; 25. Exhaust hole; 26. U-shaped pipe fitting; 27. Dust collection box; 28. Box plate; 31. Evaporation coil; 32. Compressor; 33. Heat dissipation fins; 34. Water collection tray; 35. Water joint; 41. Filter seat; 42. Filter plate. DETAILED DESCRIPTION

[0024] In order to make the technical means for realizing the present invention, the creative features, the objectives and the effects thereof easier to understand, the present invention is further described below with reference to specific illustrations.

[0025] like Figures 1 to 3 As shown,

[0026] This embodiment provides a rice low-temperature storage bin, comprising:

[0027] The silo 1 is a closed box structure, which is installed on the ground through distributed support columns 11. The upper end of the silo 1 is provided with a feed port 12, and the lower end of the silo 1 is provided with a discharge hopper 13 for discharging materials;

[0028] The ventilation and cooling component includes an exhaust part and an air supply part, and an evaporation box 3 arranged between the exhaust part and the air supply part, so as to utilize the evaporation box 3 to reduce the temperature and humidity of the supply air, the exhaust part includes an exhaust pipe 21 arranged at the upper end of the warehouse body 1, and an air guide pipe 22 installed at the outer end of the exhaust pipe 21, the end of the air guide pipe 22 is connected to the fan 2 to send air into the evaporation box 3, an evaporation coil 31 is provided in the evaporation box 3, and the evaporation coil 31 is connected to the compressor 32 to compress the refrigerant and vaporize it in the evaporation box 3, the air supply part is connected to the side of the evaporation box 3 away from the fan 2, the air supply part includes an air supply pipe 23 inserted into the warehouse body 1 and a branch air pipe 24 distributed and installed on one side of the air supply pipe 23, so as to introduce cold air into the stacked rice, thereby realizing ventilation and cooling of the rice.

[0029] In this embodiment, the exhaust pipe 21 is laid on the top of the warehouse body 1, and a number of exhaust holes 25 connected to the interior of the warehouse body 1 are distributed in the exhaust pipe 21 to introduce the gas on the top of the warehouse body 1 into the exhaust pipe 21. One end of the exhaust pipe 21 is connected to the air guide pipe 22.

[0030] A U-shaped pipe fitting 26 is provided at the lower end of the air duct 22, and a dust collecting box 27 is installed at the lower end of the U-shaped pipe fitting 26. A filter element 4 for removing dust from the air duct 22 is provided on the side of the upper end of the U-shaped pipe fitting 26 close to the fan 2. The filter element 4 includes a filter seat 41 and a filter plate 42 that is detachably inserted and installed on the filter seat 41, so that the filter plate 42 can be used to filter out dust impurities in the warehouse body 1. The dust collecting box 27 is installed at the lower end of the filter plate 42 to receive the dust filtered by the filter plate 42. The outer end of the dust collecting box 27 is provided with a box plate 28 to facilitate personnel to open and clean the dust collecting box 27.

[0031] In this embodiment, the evaporation coils 31 are arranged vertically along the air supply direction. Multiple groups of evaporation coils 31 can be spaced apart. Heat dissipation fins 33 are distributed along the outer ends of the evaporation coils 31 to improve heat exchange efficiency. A water collection tray 34 is provided at the lower end of the evaporation box 3. After exchanging heat with the heat dissipation fins 33, the air liquefies into water droplets upon cooling. These droplets adhere to the heat dissipation fins 33 and collect in the water collection tray 34. A water connection 35 is provided on one side of the evaporation box 3, connecting to the water collection tray 34 to periodically drain the water within. The evaporation box 3 cools the air while also reducing its water vapor content, increasing the dryness of the rice environment and thus improving the rice storage quality.

[0032] In this embodiment, one side of the air supply pipe 23 is connected to the evaporator 3, and a plurality of branch air pipes 24 are distributed and connected to the air supply pipe 23. The branch air pipes 24 are provided with small air holes to send cold air into the stacked rice, thereby lowering the temperature of the silo 1, and driving the hot and humid air in the rice to the top of the silo 1 and being extracted through the exhaust pipe 21 to achieve gas circulation.

[0033] The outer ends of the exhaust pipe 21, the U-shaped pipe 26 and the air supply pipe 23 are respectively wrapped with a thermal insulation layer to prevent the loss of cold energy.

[0034] In this embodiment, the feed port 12 is protrudingly provided at the outer end of the silo body 1, and a sealing cover 14 is provided at the upper end of the feed port 12 to close the silo body 1. The lower hopper 13 is a conical structure, and the lower end of the inner side of the silo body 1 is provided with an inclined slope corresponding to the lower hopper 13 to guide the material in the silo body 1 into the lower hopper 13. The lower end of the lower hopper 13 is provided with a discharge valve 15 for discharging the material.

[0035] The working principle of the present invention is as follows: grain is stored in a silo 1. The upper end of the silo 1 is connected to a fan 2 via an exhaust duct 21 and an air guide duct 22. This draws air from the silo 1 and delivers it to an evaporator 3. The evaporator 3 uses a built-in evaporator coil 31 to exchange heat with the air, lowering the air temperature. Water vapor in the air condenses on the heat dissipation fins 33, reducing the moisture content of the air. The cool air from the evaporator 3 is then directed through the air supply duct 23 into the distributed branch ducts 24. Through the air holes in the branch ducts 24, it is evenly guided into the bottom of the silo. The rising cool air from the bottom removes the hot and humid air from the rice, improving the storage environment and maintaining the rice quality. The device uses a ventilation and cooling component to periodically circulate cool air from the silo 1. The circulating air removes heat and moisture from the silo 1, exchanging heat within the evaporator 3. The moisture condenses into water droplets and collects in a water collection tray 34, improving the dryness of the silo 1. A dust collecting box 27 is provided at the lower end of the U-shaped pipe 26 to collect dust impurities dropped from the filter 4 to prevent dust impurities from accumulating in the pipe. The filter 4 filters the air to prevent dust from entering the evaporation box 3.

[0036] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and improvements, which fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents. It should be noted that, in this document, if there are relational terms such as first and second, etc., they are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article, or device. Without further constraints, an element defined by the phrase "comprises a..." does not preclude the existence of additional identical elements in the process, method, article or apparatus that includes the element.

Claims

1. A low-temperature rice storage warehouse, characterized by: include: The silo is a box-shaped structure, which is installed on the ground through distributed support columns. The upper end of the silo is provided with a feed port, and the lower end of the silo is provided with a hopper for discharging materials; The ventilation and cooling component includes an exhaust part and an air supply part, and an evaporation box arranged between the exhaust part and the air supply part. The exhaust part includes an exhaust pipe arranged at the upper end of the warehouse body and an air guide pipe installed at the outer end of the exhaust pipe. The end of the air guide pipe is connected to the fan to send air into the evaporation box. An evaporation coil is provided in the evaporation box, and the evaporation coil is connected to the compressor. The air supply part is connected to the side of the evaporation box away from the fan. The air supply part includes an air supply pipe inserted into the warehouse body and branch air pipes distributed and installed on one side of the air supply pipe to guide cold air into the stacked rice.

2. A rice low-temperature storage warehouse according to claim 1, characterized in that: The exhaust pipe is laid on the top of the warehouse body, and a plurality of exhaust holes connected with the interior of the warehouse body are distributed in the exhaust pipe to guide the gas on the top of the warehouse body into the exhaust pipe. One end of the exhaust pipe is connected to the air guide pipe.

3. A rice low-temperature storage warehouse according to claim 2, characterized in that: A U-shaped pipe fitting is provided at the lower end of the air duct, and a dust collecting box is installed at the lower end of the U-shaped pipe fitting. A filter element for removing dust from the air duct is provided on the side of the upper end of the U-shaped pipe fitting close to the fan. The filter element includes a filter seat and a filter plate detachably inserted and installed on the filter seat, so that the filter plate can be used to filter out dust impurities in the warehouse body. The dust collecting box is installed at the lower end of the filter plate to receive the dust filtered by the filter plate, and a box plate is provided at the outer end of the dust collecting box.

4. The low-temperature rice storage bin according to claim 1, characterized in that: The evaporation coil is arranged vertically along the air supply direction, and multiple groups of evaporation coils can be arranged at intervals. The outer ends of the evaporation coils are distributed with heat dissipation fins. The lower end of the evaporation box is provided with a water collecting pan. One side of the evaporation box is provided with a water joint connected to the water collecting pan to regularly drain the water in the water collecting pan.

5. The low-temperature rice storage bin according to claim 4, characterized in that: One side of the air supply pipe is communicated with the evaporation box. A plurality of branch air pipes are distributed and communicated with the air supply pipe. Small air holes are distributed on the branch air pipes to send cold air into the piled rice.

6. The low-temperature rice storage bin according to claim 1, characterized in that: The outer ends of the exhaust pipe, the U-shaped pipe fitting and the air supply pipe are respectively wrapped with a thermal insulation layer to prevent the loss of cold energy.

7. The low-temperature rice storage bin according to claim 1, characterized in that: The feed bin port is protrudingly arranged at the outer end of the bin body, and a cover is provided at the upper end of the feed bin port to close the bin body. The lower hopper is a conical structure, and the lower end of the inner side of the bin body is provided with an inclined slope corresponding to the lower hopper to guide the material in the bin body into the lower hopper. A discharge valve is provided at the lower end of the lower hopper for discharging the material.

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