Airtight heat-insulating green grain storage container

Abstract

The utility model discloses a kind of airtight heat insulation formula green grain storage container, including box and lid, box and lid outside are provided with gas protection structure, the gas protection structure includes mounting panel and multiple airtight protection components, the mounting panel upper end is provided with guide rail, the airtight protection component includes positioning plate, the first recess that is adapted with guide rail is opened in the positioning plate bottom, the positioning plate outside is fixed with air bag, the air bag includes the second stretch surface of transverse arrangement and the first stretch surface of longitudinal arrangement, the extension rate of first stretch surface material is greater than the extension rate of second stretch surface material.The utility model can avoid the gap between adjacent air bag, can form good gas protection surface, ensure that grain is stored for a long time, and the above structure is convenient to install, need not to be positioned, greatly improve the efficiency of overall structure arrangement.

Description

Technical Field

[0001] This utility model relates to the field of grain storage structure technology, and in particular to an airtight and heat-insulated green grain storage container. Background Technology

[0002] An airbag protection structure is installed on the outside of the grain storage container. This structure forms a gas protection barrier, which reduces heat transfer and prevents the internal temperature from rising too high when the container is left in the open for a long time, thus ensuring that the grain can be stored stably for a longer period of time.

[0003] The existing airbag structure on the outside of the container needs to be installed separately by workers on the container surface. Before installation, the container surface needs to be marked according to the length of the container and the width of each airbag, and the airbag structure is fixed to the container by bolts or other locking structures. The above operation steps are not only cumbersome, but also often result in gaps between airbags due to positioning errors and installation errors, which affects the airbag's effective insulation effect. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an airtight and heat-insulated green grain storage container. This container avoids gaps between adjacent airbags, forms a good gas protection surface, and ensures long-term grain storage. At the same time, the structure is easy to install, requires no positioning, and greatly improves the efficiency of the overall structural layout.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An airtight, heat-insulated, green grain storage container includes a container body and a cover. Both the container body and the cover have gas protection structures on their outer sides. Each gas protection structure includes a mounting panel and multiple airtight protection components. The mounting panel has a guide rail at its upper end. Each airtight protection component includes a positioning plate with a first groove at its bottom that matches the guide rail. An airbag is fixed to the outer side of the positioning plate. Each airbag includes a second stretching surface arranged laterally and a first stretching surface arranged longitudinally. The elongation rate of the material in the first stretching surface is greater than that in the second stretching surface. A pumping device is also provided between the mounting panel and the airtight protection components to simultaneously pump protective gas into the multiple airbags.

[0007] Preferably, the air pumping device includes a main air pumping pipe and multiple branch air pumping pipes, wherein the branch air pumping pipes are flexible hoses and the ends of the branch air pumping pipes are connected to the corresponding airbags.

[0008] Preferably, the main air pipe is connected to an air pump, and the air bladder is provided with a pressure detection element electrically connected to the air pump.

[0009] Preferably, a solenoid valve is installed inside the pump air branch pipe, and the solenoid valve is electrically connected to the pressure detection element.

[0010] Preferably, the mounting panel has multiple through positioning holes on its surface, and a telescopic positioning element is provided inside the positioning hole to limit the outer airtight protection component.

[0011] Preferably, the telescopic positioning element is an electric telescopic rod. The limiting block at the end of the electric telescopic rod is controlled to extend into the groove inside the airtight protection component to lock and limit the airtight protection component. When the electric telescopic rod is retracted, the limiting block retracts to its initial position and is offset from the airtight protection component.

[0012] Preferably, the inner wall of the positioning plate is provided with a second groove, and the air pumping device is arranged in the second groove.

[0013] Compared with the prior art, the advantages of this utility model are as follows:

[0014] By setting up a guide rail structure, the airtight protection components can be guided. During installation, the airtight protection components only need to be slid to their approximate positions. Later, when gas is pumped in by the pumping device, multiple airbags expand and compress each other, and multiple airtight protection components can automatically move to the predetermined positions. At the same time, multiple airbags are in a tight, mutually pressing state, avoiding gaps between adjacent airbags, forming a good gas protection surface, ensuring long-term storage of grain. In addition, the above structure is easy to install, requires no positioning, and greatly improves the efficiency of the overall structural layout. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the exploded structure of the grain storage container of this utility model.

[0016] Figure 2 This is a schematic diagram of the air-supported membrane structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the gas protection structure of this utility model.

[0018] Figure 4 This utility model Figure 3 A schematic diagram of the main structure.

[0019] Figure 5 This utility model Figure 3 A schematic diagram of the structure viewed from below.

[0020] Figure 6 This utility model Figure 3 A side view structural diagram.

[0021] Figure 7 This utility model Figure 6 A magnified structural diagram of A.

[0022] Figure 8 This is a schematic diagram of the airbag structure of this utility model.

[0023] In the diagram: 100, housing; 200, cover; 300, air-supported membrane; 310, inner membrane; 320, air nozzle; 330, airtight zipper; 340, lifting ring; 350, discharge port; 400, gas protection structure; 410, mounting panel; 411, guide rail; 412, positioning hole; 420, airtight protection component; 421, positioning plate; 422, first groove; 423, second groove; 424, airbag; 4241, first stretching surface; 4242, second stretching surface; 430, telescopic positioning element; 440, air pumping device; 441, main air pumping pipe; 442, branch air pumping pipe. Detailed Implementation

[0024] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0026] See attached document Figure 1 -Appendix Figure 8 An airtight and insulated container grain storage process is disclosed, which utilizes an airtight and insulated green grain storage container. The airtight and insulated grain storage container includes a container body 100 and a cover 200. An air-supported membrane 300 is installed inside the container body 100, and the grain to be stored is placed inside the air-supported membrane 300 for airtight storage. The cover 200 can be completely separated from the container body 100. An airtight zipper 330 is installed at the upper end of the air-supported membrane 300. After the cover 200 is raised and staggered, the airtight zipper 330 is opened to form a large opening at the upper end of the air-supported membrane 300, and the grain to be stored is placed inside the air-supported membrane 300 for isolated storage. The air-supported membrane 300 can play a role in isolation and sealing.

[0027] Multiple lifting rings 340 are also provided on the surface of the air-supported membrane storage 300. The lifting rings 340 can be adapted to the buckle structure inside the box 100, so that the air-supported membrane storage 300 remains in an open state when the inside of the air-supported membrane storage 300 is empty, which facilitates the loading of grain.

[0028] Air nozzles 320 are installed on the top and bottom side walls of the air-supported film storage 300. The air nozzles 320 can control the directional flow of air inside the air-supported film storage 300, ensuring smooth gas circulation inside the air-supported film storage 300. Protective gas is introduced to replace the gas produced by grain respiration, so as to achieve long-term grain storage.

[0029] A discharge port 350 is also provided on the bottom side wall of the air-supported membrane silo 300. The discharge port 350 has a large opening size and is equipped with a gate inside. When the gate inside the discharge port 350 is opened, the grain stored inside the air-supported membrane silo 300 flows out under the action of gravity, realizing the emptying of the stored grain. After the grain is completely emptied, the air-supported membrane silo 300 can be lifted out by suspending multiple lifting rings 340 using lifting equipment, so as to realize the replacement and maintenance of the air-supported membrane silo 300.

[0030] The air-supported membrane storage unit 300 here does not have a heat insulation function. In order to avoid the excessive temperature difference between the inner and outer layers of the grain inside the container due to prolonged exposure to the sun, which could lead to condensation inside the grain and cause safety hazards, a nitrogen protection structure is installed on the outside of the container. Gas protection structures 400 are installed on the outside of both the container body 100 and the cover 200.

[0031] The gas protection structure 400 has excellent heat insulation performance, which can significantly reduce heat exchange with the outside world, play a role in heat insulation and cold preservation, solve the safety hazards of internal condensation caused by hot outer skin and cold inner core of grain, and reduce the adverse effects of high temperature on grain.

[0032] Specifically, the gas protection structure 400 includes a mounting panel 410 and multiple airtight protection components 420 disposed on the surface of the mounting panel 410. Each airtight protection component 420 includes a positioning plate 421 and an airbag 424 fixed to the surface of the positioning plate 421. By filling the airbag 424 with nitrogen, the airbag 424 can be controlled to expand outward and to both sides. The two sides of the multiple airbags 424 press against each other to form a gas protection surface. The outside of the container is isolated and protected by multiple gas protection surfaces, thereby reducing heat transfer and maintaining a relative balance of the internal temperature of the container.

[0033] This article uses cryogenic nitrogen as an example, but those skilled in the art can also choose other types of isolation and protective gases for isolation and protection.

[0034] Furthermore, to facilitate the installation and disassembly of the airtight protection component 420, a horizontally arranged guide rail 411 is fixed on the surface of the mounting panel 410. A first groove 422 adapted to the guide rail 411 is provided on the inner wall of the positioning plate 421. The guide rail 411 and the first groove 422 have an interlocking structure. The positioning plate 421 is slid into the guide rail 411 from one side to realize the installation of multiple positioning plates 421. The installed positioning plate 421 can be in a relatively stable state, preventing the vertically placed positioning plate 421 from falling off under the action of external force, and ensuring the relative stability of the positioning plate 421 and the airbag 424 on the outside of the positioning plate 421.

[0035] After multiple airtight protection components 420 are slid to a predetermined position, protective gas is pumped into the airbags 424 inside the airtight protection components 420 to control the expansion of the airbags 424. After the airbags 424 expand to a predetermined state, two adjacent airbags 424 press against each other to form an integral gas protection surface, thereby achieving isolation protection for the outer surface of the container.

[0036] In order to pump air into the airbag 424, a second groove 423 is provided on the inner side of the positioning plate 421. A pumping device 440 is provided in the second groove 423. The pumping device 440 can pump protective gas into the airbag 424 in one direction to control the inflation of the airbag 424.

[0037] Specifically, the air pumping device 440 includes a main air pumping pipe 441 and multiple air pumping branch pipes 442. The air pumping branch pipes 442 are connected to the corresponding airbags 424. When the air pumping device continuously pumps gas into the main air pumping pipe 441, the gas is pumped from the multiple air pumping branch pipes 442 into the corresponding airbags 424, ultimately controlling the inflation of the airbags 424.

[0038] A one-way valve can be installed in the air pump branch pipe 442 to control the protective gas to be pumped into the air bag 424 in one direction only, so as to avoid the gas flowing in reverse and causing the air bag 424 to contract.

[0039] As the airbag 424 continues to expand, the pressure inside the airbag 424 increases due to the mutual compression of multiple airbags 424. At the same time, the gas in the pumping main pipe 441 gradually increases. By installing a pressure detection element inside the airbag 424, the expansion state of the outer airbag 424 can be determined by detecting the gas pressure inside the airbag 424. When the pressure detection element detects that the pressure exceeds the set threshold, the pumping device is controlled to stop pumping gas into the pumping main pipe 441 to prevent gas from continuously entering the airbag 424 and causing the internal pressure of the airbag 424 to become too high, which could lead to the airbag 424 rupturing.

[0040] Meanwhile, during long-term storage, some gas inside the airbags 424 may slowly leak. When too much gas leaks from the airbags 424, causing them to collapse, the airbags 424 cannot be tightly sealed together and cannot provide a good insulation effect. At this time, the pumping equipment is restarted to pump protective gas into the corresponding airbags 424 to maintain the airbags 424 in a good inflated state.

[0041] During long-term exposure to the open or during transportation, the airbags 424 in the container are easily damaged by external pressure or cutting by sharp objects. When a single airbag 424 is damaged, the gas protection surface is damaged, and there is a gap in the heat insulation, which prevents it from performing a good heat insulation effect.

[0042] To address the aforementioned issues, improvements are made to the materials and related detection and control methods for the airbag 424, as detailed below.

[0043] First, the airbag 424 here includes a second stretching surface 4242 arranged laterally and a first stretching surface 4241 arranged longitudinally. The elongation rate of the material of the first stretching surface 4241 is greater than that of the material of the second stretching surface 4242. During the process of pumping protective gas into the airbag 424, the first stretching surface 4241 is stretched and lengthened first. At this time, the airbag 424 gradually becomes thicker as a whole, and its width direction, that is, the lateral width of the second stretching surface 4242, does not change significantly.

[0044] When one of the multiple airbags 424 ruptures, the pressure detection element inside the airbag 424 detects an instantaneous decrease in gas pressure. A solenoid valve is also installed in the pumping branch pipe 442, controlling the corresponding solenoid valve in the pumping branch pipe 442 to close, preventing gas from passing through the corresponding solenoid valve and entering the corresponding airbag 424. Subsequently, the pumping equipment is restarted to pump gas into the pumping main pipe 441. The pumped gas can control the remaining airbags 424 to continue inflating. At this time, the second stretching surface 4242 of the airbag 424 is compressed beyond a first set threshold, and the second stretching surface 4242 gradually stretches. At this time, the overall width of the airbag 424 gradually increases (see appendix). Figure 8 (in the left and right directions); multiple airbags 424 press against each other again to form a gas protective surface on the outside.

[0045] The airtight protection component 420 is slidably connected to the mounting panel 410. The airtight protection component 420 can move along the location of the defect under force, and the two adjacent airbags 424 can move toward the location of the leak, eventually filling the existing defect and forming a new gas protection surface to achieve efficient heat insulation.

[0046] With the above structural design, after a small number of airbags 424 are damaged and leaked, there is no need to replace the airbags 424. Simply continue to pump gas into the remaining airbags 424 to control the remaining airbags 424 to expand and widen again, fill the defects, and re-form the gas protection surface to achieve a new balance.

[0047] The first stretching surface 4241 and the second stretching surface 4242 mentioned above are made of different materials or composite materials, and control layers with different traction elasticities are formed inside the different surfaces to control the stretching deformation of the first stretching surface 4241 and the second stretching surface 4242 in sequence.

[0048] Furthermore, multiple through positioning holes 412 are provided on the surface of the mounting panel 410. The locking workpiece can be locked and fixed to the outer airtight protection component 420 by passing through the positioning holes 412, so as to prevent the airtight protection component 420 from moving and ensure the relative stability of the airtight protection component 420 under normal conditions. The positioning holes 412 are provided on both sides, and several can be provided in the middle position according to the overall length.

[0049] The positioning hole 412 here is provided with a telescopic positioning element 430 to limit the outer airtight protection component 420. The limiting state of the telescopic positioning element 430 can be changed. When the airbag 424 on the surface of the airtight protection component 420 at the edge is damaged, the corresponding telescopic positioning element 430 is controlled to cancel the limiting of the airtight protection component 420 at the edge, and the gas is controlled to expand. Finally, the multiple airbags 424 squeeze each other and push the outermost damaged airbag 424 to a more outer position. The airbags 424 located in the inner adjacent position can be located at the edge to achieve limiting protection.

[0050] Meanwhile, the aforementioned telescopic positioning element 430 is equipped with an audible and visual protection structure. When the telescopic positioning element 430 cancels the limit on the airtight protection component 420, it will issue an alarm signal to remind the surrounding staff and prevent the airtight protection component 420, whose edge position is unstable, from causing harm to the surrounding staff. It will also remind the on-site staff to disassemble and repair the airtight protection component 420.

[0051] The aforementioned telescopic positioning element 430 can be selected as a telescopic structure with an electric telescopic rod, etc. The limiting block at the end of the electric telescopic rod is controlled to extend into the groove in the airtight protection component 420 to lock and limit the airtight protection component 420. When the electric telescopic rod is controlled to retract, the limiting block retracts to the initial position and is offset from the airtight protection component 420, so as to facilitate the movement of the airtight protection component 420.

[0052] It should be noted that the pumping branch pipe 442 here is a flexible hose structure, which can move synchronously with the movement of the airtight protection component 420 to ensure the normal pumping of protective gas.

[0053] This utility model specifically includes the following steps:

[0054] Step 1: Arrangement of the air-supported membrane storage 300; Open the cover 200 and place the air-supported membrane storage 300 inside the box 100. Connect the upper part of the box 100 to multiple lifting rings 340 on the surface of the air-supported membrane storage 300 using a lifting device to suspend the lifting rings 340. At the same time, fix the surrounding multiple lifting rings 340 to the inner wall of the inner membrane 310 to control the opening of the inner membrane 310. After the inner membrane 310 is arranged, open the airtight zipper 330 and put the grain into the air-supported membrane storage 300 from the top airtight zipper 330 for storage. After the grain is placed, close the airtight zipper 330, and the interior of the air-supported membrane storage 300 forms a relatively closed state, achieving isolation between the stored grain and the external environment.

[0055] Step 2: Arrangement of the gas protection structure 400. Multiple airtight protection components 420 are sequentially passed through the mounting panel 410 from one side. The airtight protection components 420 and the mounting panel 410 are in an interlocking state. At the same time, the airtight protection components 420 are slid to a predetermined position. The number of airtight protection components 420 is selected according to the width of the unfolded airbag 424 on the surface of the airtight protection component 420 and the overall length of the gas protection structure 400.

[0056] Multiple airbags 424 can be deployed in a collapsed state. During the initial installation, there is no need to inflate the airbags 424, making them easy for workers to handle. After the multiple airbags 424 are deployed, the airtight protection components 420 at predetermined points on both sides and in the middle are locked and limited. After the airtight protection components 420 at the predetermined positions are locked and limited, gas is pumped into the multiple airbags 424 simultaneously. During this process, the multiple airbags 424 gradually thicken and then gradually widen. The widened airbags 424 press against each other, eventually forming a dense gas protection surface, achieving gas isolation protection.

[0057] With the above arrangement, there is no need to pump air into the airbags 424 during the initial installation, which facilitates the installation by the staff. After the multiple airtight protection components 420 are arranged, gas can be pumped into the multiple airbags 424. The inflated airbags 424 press against each other, pushing the airbags 424 and the inner positioning plate 421 to slide to the predetermined position, finally forming a dense gas protection surface. It is simple and convenient, reduces the overall arrangement time, and greatly reduces the overall arrangement difficulty. At the same time, the multiple airbags 424 are tightly pressed against each other after arrangement, so it is not necessary to fix all the multiple airtight protection components 420. Only the outermost and the middle predetermined points of the airtight protection components 420 need to be fixed. The arrangement is simple, and the limiting and protection effects are good.

[0058] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An airtight, heat-insulated, green grain storage container, comprising a container body (100) and a cover (200), wherein both the container body (100) and the cover (200) are provided with gas protection structures (400) on their outer sides, characterized in that: The gas protection structure (400) includes a mounting panel (410) and multiple airtight protection components (420). The mounting panel (410) is provided with a guide rail (411) at its upper end. The airtight protection component (420) includes a positioning plate (421). The bottom of the positioning plate (421) has a first groove (422) adapted to the guide rail (411). An airbag (424) is fixed on the outside of the positioning plate (421). The airbag (424) includes a second stretching surface (4242) arranged laterally and a first stretching surface (4241) arranged longitudinally. The elongation rate of the material of the first stretching surface (4241) is greater than the elongation rate of the material of the second stretching surface (4242). A pumping device (440) is also provided between the mounting panel (410) and the airtight protection component (420). The pumping device (440) synchronously pumps protective gas into the multiple airbags (424).

2. The airtight, heat-insulated, green grain storage container according to claim 1, characterized in that, The air pumping device (440) includes a main air pumping pipe (441) and a plurality of air pumping branch pipes (442). The air pumping branch pipes (442) are flexible hoses, and the ends of the air pumping branch pipes (442) are connected to the corresponding airbags (424).

3. The airtight, heat-insulated, green grain storage container according to claim 2, characterized in that, The main air pipe (441) is connected to an air pump, and the air bag (424) is provided with a pressure detection element electrically connected to the air pump.

4. The airtight, heat-insulated, green grain storage container according to claim 3, characterized in that, An electromagnetic valve is installed inside the pump branch pipe (442), and the electromagnetic valve is electrically connected to the pressure detection element.

5. The airtight, heat-insulated, green grain storage container according to claim 1, characterized in that, The mounting panel (410) has multiple through positioning holes (412) on its surface. A telescopic positioning element (430) is provided inside the positioning hole (412) to limit the outer airtight protection component (420).

6. The airtight, heat-insulated, green grain storage container according to claim 5, characterized in that, The telescopic positioning element (430) is an electric telescopic rod. The limiting block at the end of the electric telescopic rod is controlled to extend into the groove in the airtight protection component (420) to lock and limit the airtight protection component (420). The electric telescopic rod is controlled to retract, and the limiting block retracts to the initial position and is offset from the airtight protection component (420).

7. The airtight, heat-insulated, green grain storage container according to claim 1, characterized in that, The positioning plate (421) has a second groove (423) on its inner wall, and the air pump (440) is arranged in the second groove (423).

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