Vertical hot skin circulation green grain storage barn and grain storage temperature control system
By designing a double-layered grain storage silo and an intelligent temperature control system, the problem of the grain storage silo structure being easily affected by external temperature was solved, achieving precise control of temperature and humidity, and ensuring grain quality and silo stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-17
AI Technical Summary
Existing grain storage silos are structurally susceptible to external temperature fluctuations, resulting in uneven internal temperatures and poor stability, which can easily lead to changes in grain quality and damage from insects and mold.
Design a vertical hot-skin circulation green grain storage silo with a double-layer structure for the bottom, walls and top. A support frame is installed in the bottom, and the temperature is precisely regulated by a PLC controller, temperature control fan and temperature sensor through ventilation ducts and horizontal branches. Humidity is controlled by a humidity sensor and dehumidifier.
It effectively reduces the impact of external temperature on the interior of grain storage silos, achieves uniform control of temperature and humidity, improves the structural stability of grain storage silos, ensures grain quality, and reduces manual operation.
Smart Images

Figure CN224000332U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grain storage technology, and more specifically, it relates to a vertical hot-skin circulation green grain storage silo and a grain storage temperature control system. Background Technology
[0002] Low-temperature storage is a globally recognized safe and effective green grain preservation technology. It is one of the measures to ensure "absolute food security" and an important means to address the rapid changes in rice storage quality, the large price difference between new and old rice, reduce losses, control losses, and achieve intrinsic growth.
[0003] In tall, flat warehouses used for storing grain during the summer, large cold cores and noticeable hot hulls easily form in the grain piles. The grain quality in the hot hulls changes rapidly and is more susceptible to insect and mold damage. The transfer of moisture and heat can cause localized heating, clumping, and even grain surface crusting or mold growth. Dealing with such grain conditions requires frequent turning of the grain surface and repeated ventilation. This results in significant problems with the structure and temperature control of existing grain storage warehouses, which need to be improved. Utility Model Content
[0004] The purpose of this invention is to provide a vertical hot-skin circulation green grain storage silo and a grain storage temperature control system to solve the problems existing in the above-mentioned background technology.
[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0006] In a first aspect, this application provides a vertical hot-skin circulation green grain storage silo, comprising:
[0007] The warehouse floor consists of an upper floor plate and a lower floor plate, and a support frame is installed inside the warehouse floor to connect with the upper floor plate and the lower floor plate;
[0008] The silo wall is arranged around the bottom of the silo and connected to the upper end face of the upper bottom plate; the silo wall includes an outer wall panel and an inner wall panel, with a gap between the outer wall panel and the inner wall panel;
[0009] Multiple racks are connected to the top of the warehouse wall, and the area of the connecting end face is not less than the area of the warehouse bottom, and covers the warehouse bottom.
[0010] The warehouse roof consists of an outer roof panel and an inner roof panel. The outer roof panel is attached to and fixed to the outer end face formed by multiple warehouse racks, and the inner roof panel is attached to and fixed to the inner end face formed by multiple warehouse racks.
[0011] Based on the above technical solution, the present invention can be further improved as follows.
[0012] Furthermore, the lower end face of the aforementioned silo bottom is provided with multiple support seats, and the multiple support seats are evenly distributed.
[0013] Furthermore, a connecting frame is provided in the gap between the outer wall panel and the inner wall panel. The connecting frame is composed of several horizontal rods and several vertical rods.
[0014] Furthermore, the aforementioned support frame is composed of several horizontal plates and several vertical plates of the same size connected together. The upper and lower ends of the horizontal or vertical plates are connected to the upper and lower base plates, respectively, and multiple cavities are arranged in an array within the support frame through the horizontal and vertical plates.
[0015] Furthermore, the aforementioned rack includes a triangular frame and at least three support arms located within the triangular frame; one of the support arms is connected at both ends to the middle of the top and bottom of the triangular frame, respectively, while the other two support arms are distributed on both sides.
[0016] Secondly, this application provides a vertical hot-skin circulation green grain storage temperature control system, applied to any of the vertical hot-skin circulation green grain storage silos in the first aspect, including a PLC controller, a temperature control fan, and a temperature sensor; wherein, the temperature sensor is connected to the input terminal of the PLC controller through an analog-to-digital converter module, the temperature control fan is connected to the output terminal of the PLC controller, and the output terminal of the temperature control fan is connected to the interior of the grain storage silo.
[0017] Furthermore, the above also includes a ventilation duct connected to the output end of the temperature control fan. The ventilation duct includes multiple vertically arranged ventilation branches, which are arranged around the bottom of the silo and have exhaust holes that connect to the inside of the grain storage silo.
[0018] Furthermore, the support frame inside the warehouse is composed of several horizontal plates and several vertical plates of the same size connected together. The upper and lower ends of the horizontal or vertical plates are connected to the upper and lower bottom plates, respectively, and multiple cavities are arranged in an array within the support frame through the horizontal and vertical plates.
[0019] The support frame also has a transverse branch. One end of the transverse branch is connected to the output end of the temperature control fan, and the other end of the transverse branch is connected to the interior of the grain storage silo. The transverse branch extends circumferentially into each cavity, and the part of the transverse branch located in each cavity is provided with an air outlet.
[0020] Furthermore, there are four ventilation branches, which are evenly distributed around the bottom of the warehouse. The number of temperature control fans corresponds to the number of ventilation branches and they are connected one by one.
[0021] Furthermore, the above also includes a humidity sensor and a dehumidifier. The humidity sensor is connected to the input terminal of the PLC controller through an analog-to-digital converter module, and the dehumidifier is connected to the output terminal of the PLC controller. The output terminal of the dehumidifier is connected to the interior of the grain storage silo.
[0022] Compared with the prior art, the present invention has at least the following beneficial effects:
[0023] In this application, the grain storage silo formed by the silo bottom, silo walls, several silo racks and silo top has a double-layer structure in terms of the silo bottom, silo walls and silo top, which can greatly reduce the impact of the external temperature on the internal temperature of the grain storage silo. At the same time, the silo bottom is equipped with a support frame, which not only retains the double-layer structure, but also ensures the load-bearing capacity of the silo bottom, and avoids the upper bottom plate from cracking or collapsing due to insufficient load-bearing capacity.
[0024] In this application, a temperature control system consisting of a PLC controller, a temperature-controlled fan, and a temperature sensor allows the PLC controller to set the desired temperature range or value, while the temperature sensor detects the temperature inside the grain storage silo and feeds the detected temperature value back to the PLC controller. The PLC controller then controls the start and stop of the temperature-controlled fan. The ventilation ducts evenly distributed around the bottom of the silo ensure a more uniform temperature distribution inside, preventing localized overheating or underheating. Furthermore, the transverse branches extending into each cavity effectively control the temperature at the bottom of the silo. This precise control of the internal space and bottom temperature of the grain storage silo allows for more accurate temperature regulation, effectively ensuring the quality of the stored grain and reducing labor costs. Attached Figure Description
[0025] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:
[0026] Figure 1 This is a three-dimensional structural diagram of the grain storage silo in an embodiment of the present utility model;
[0027] Figure 2 This is a side view of the grain storage silo in an embodiment of the present utility model;
[0028] Figure 3 for Figure 1 Enlarged view of point A in the middle;
[0029] Figure 4 for Figure 1 Enlarged view of point B in the middle;
[0030] Figure 5 This is a schematic diagram of the connection of the grain storage warehouse temperature control system in an embodiment of this utility model.
[0031] The attached diagram shows the markings and corresponding component names:
[0032] 1. Silo bottom; 2. Silo wall; 3. Silo frame; 4. Support base; 5. Horizontal rod; 6. Vertical rod; 7. Horizontal plate; 8. Longitudinal plate; 9. Cavity; 10. Triangular frame; 11. Support arm. Detailed Implementation
[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0035] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0036] In the description of the embodiments of this utility model, it should be noted that if terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0037] Furthermore, the use of terms such as "horizontal," "vertical," and "sag" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0038] In the description of the embodiments of this utility model, "a plurality of" means at least two.
[0039] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0040] Example 1: To address the structural deficiencies of current grain storage silos, which result in significant susceptibility of internal temperature to external influences and poor structural stability, this example provides a vertically heated, circulating, green grain storage silo. Figure 1 As shown, it includes:
[0041] The storage base 1 includes an upper base plate and a lower base plate. A support frame connected to the upper base plate and the lower base plate is provided inside the storage base 1. The support frame is composed of several horizontal plates 7 and several vertical plates 8 of the same size connected together. The upper and lower ends of the horizontal plates 7 or the vertical plates 8 are respectively connected to the upper base plate and the lower base plate, and multiple cavities 9 are arranged in an array inside the support frame through the several horizontal plates 7 and the several vertical plates 8.
[0042] Among them, a support frame is set up inside warehouse 1, such as Figure 3 As shown, while retaining the double-layer structure, the load-bearing capacity of the bottom 1 of the silo is also guaranteed, avoiding the possibility of the upper bottom plate cracking or collapsing due to insufficient load-bearing capacity.
[0043] In the above, the lower end face of the silo bottom 1 is provided with multiple support seats 4, and the multiple support seats 4 are evenly distributed, such as... Figure 1 As shown, the support base 4 is designed so that the lower end of the bin bottom 1 does not contact the ground.
[0044] The grain storage silo also includes a silo wall 2, which is arranged around the bottom 1 and connected to the upper end of the bottom plate. The silo wall 2 includes an outer wall panel and an inner wall panel, with a gap between the outer wall panel and the inner wall panel.
[0045] Optionally, a connecting frame is provided in the gap between the outer wall panel and the inner wall panel. The connecting frame is composed of several horizontal rods 5 and several vertical rods 6.
[0046] The structure of the connecting frame can be Figure 1 and Figure 4 The structure strengthens the stability between the outer and inner wall panels through horizontal and vertical connections, preventing dents from occurring.
[0047] The grain storage silo also includes multiple silo frames 3, the connecting end face of the multiple silo frames 3 is connected to the top of the silo wall 2, the area of the connecting end face is not less than the area of the silo bottom 1, and covers the silo bottom 1; wherein, the aforementioned silo frame 3 includes a tripod 10, and at least three support arms 11 located within the tripod 10; one of the support arms 11 has its two ends connected to the middle of the top and bottom of the tripod 10 respectively, and the other two support arms 11 are distributed on both sides.
[0048] Specifically, the structure of tripod 10 is as follows: Figure 2 As shown, its shape is similar to an isosceles triangle, with the lower ends of the two sides extending beyond the base. Multiple support arms 11 are installed inside the triangle to further reinforce the tripod 10 and improve its load-bearing capacity; in addition to... Figure 2 The reinforcement method shown can also be used to set more support arms 11. The tripod 10 can be made of metal, and the connection of each part can be achieved by welding.
[0049] The grain storage silo also includes a silo roof, which includes an outer top plate and an inner top plate. The outer top plate is attached to and fixed to the outer end face formed by multiple silo frames 3, and the inner top plate is attached to and fixed to the inner end face formed by multiple silo frames 3.
[0050] Among them, the inner and outer top slabs are laid in such a way as Figure 1 The end face shown is sufficient; see reference. Figure 1 The outer top plate is laid on the outer plane formed by the two waists of the tripod 10, and the middle of the two outer top plates should be connected; the inner top plate can be parallel to the two outer top plates and attached to the inner plane formed by the two waists of the tripod 10, or it can be attached to the plane formed by the bottom of the tripod 10.
[0051] Example 2: This application provides a vertical hot-skin circulation green grain storage temperature control system, such as... Figure 5 As shown, the system includes a PLC controller, a temperature-controlled fan, and a temperature sensor. The temperature sensor is connected to the input of the PLC controller via an analog-to-digital converter module, and the temperature-controlled fan is connected to the output of the PLC controller. The output of the temperature-controlled fan is also connected to the interior of the grain storage silo. This grain storage silo temperature control system can be applied to the following vertical hot-skin circulation green grain storage silos, which may include:
[0052] Storage bottom 1, which includes an upper bottom plate and a lower bottom plate, and a support frame connected to the upper bottom plate and the lower bottom plate is provided inside storage bottom 1;
[0053] The silo wall 2 is arranged around the silo bottom 1 and connected to the upper end face of the upper bottom plate; the silo wall 2 includes an outer wall panel and an inner wall panel, and a gap is left between the outer wall panel and the inner wall panel.
[0054] Multiple warehouse racks 3, the connecting end face formed by the multiple warehouse racks 3 is connected to the top of the warehouse wall 2, the area of the connecting end face is not less than the area of the warehouse bottom 1, and covers the warehouse bottom 1;
[0055] The warehouse roof includes an outer top plate and an inner top plate. The outer top plate is attached to and fixed to the outer end face formed by multiple warehouse racks 3, and the inner top plate is attached to and fixed to the inner end face formed by multiple warehouse racks 3.
[0056] Optionally, the above-mentioned grain storage temperature control system may further include a ventilation duct connected to the output end of the temperature control fan. The ventilation duct includes multiple vertically arranged ventilation branches, which are arranged around the perimeter of the storage silo bottom 1, and each ventilation branch has an exhaust port connecting to the interior of the grain storage silo. Figure 1 As shown, multiple ventilation branches can be vertically installed inside the grain storage silo.
[0057] Specifically, there are four ventilation branches, which are evenly distributed around the perimeter of the bottom of the silo 1. The number of temperature-controlled fans corresponds to the number of ventilation branches, and they are connected one-to-one. Figure 1 As mentioned above, the four ventilation branches can be set up as follows: Figure 1 The four corners of the structure shown can be equipped with temperature control fans, which can be air conditioners, evaporative coolers, or other similar devices.
[0058] In the aforementioned warehouse bottom 1, the support frame inside the warehouse bottom 1 is composed of several horizontal plates 7 and several vertical plates 8 of the same size connected together. The upper and lower ends of the horizontal plates 7 or the vertical plates 8 are connected to the upper bottom plate and the lower bottom plate, respectively, and multiple cavities 9 are arranged in an array within the support frame through the several horizontal plates 7 and the several vertical plates 8.
[0059] Furthermore, the support frame is also equipped with a transverse branch. One end of the transverse branch is connected to the output end of the temperature control fan, and the other end of the transverse branch is connected to the interior of the grain storage silo. The transverse branch extends circumferentially into each cavity 9, and the portion of the transverse branch located in each cavity 9 is provided with an air outlet.
[0060] Among them, the temperature of the bottom 1 of the silo can be effectively controlled by the transverse branches extending in each cavity 9. In this way, the temperature inside the grain storage silo can be more precisely regulated by controlling the internal space and bottom temperature.
[0061] Optionally, the above also includes a humidity sensor and a dehumidifier. The humidity sensor is connected to the input terminal of the PLC controller through an analog-to-digital converter module, and the dehumidifier is connected to the output terminal of the PLC controller. The output terminal of the dehumidifier is connected to the interior of the grain storage silo. Specifically, the PLC controller can be a Siemens S7-200, and the analog-to-digital converter module can be adapted to the PLC controller.
[0062] The principle of the aforementioned grain storage silo temperature control system is as follows: the PLC controller sets the required temperature range or value, and then the temperature sensor detects the temperature inside the grain storage silo and feeds the detected temperature value back to the PLC controller, which then controls the start and stop of the temperature control fan. This can be implemented using PID control, a closed-loop control algorithm that combines proportional (P), integral (I), and derivative (D) functions, widely used in industrial process control. Its basic principle is to calculate the input deviation value according to the proportional, integral, and derivative functional relationship, and the calculation result is used to control the output. Since this method is widely used, and the parameter settings for the proportional (P), integral (I), and derivative (D) functions are existing technologies, there will be no program improvements required. The principle between the dehumidifier, humidity sensor, and PLC controller is similar, and its specific implementation process will not be elaborated here.
[0063] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.
Claims
1. A vertical hot-skin loop green grain silo, characterized in that, The application relates to a grain storage device. The grain storage device comprises a bottom, a wall, a plurality of racks and a top. The bottom comprises an upper bottom plate and a lower bottom plate, and a support frame body is arranged in the bottom and connected with the upper bottom plate and the lower bottom plate. The wall is arranged around the bottom and connected with the upper end surface of the upper bottom plate. The wall comprises an outer wall plate and an inner wall plate, and a gap is formed between the outer wall plate and the inner wall plate.
2. A vertical hot-skin loop green grain silo according to claim 1, wherein, The plurality of racks are connected with the top end of the wall, and the area of the connecting end surface formed by the plurality of racks is not less than the area of the bottom.
3. A vertical hot-skin loop green grain silo according to claim 1, wherein, The top comprises an outer top plate and an inner top plate.
4. A vertical hot-skin-loop green grain silo according to claim 1, wherein, The outer top plate is fixed with the outer end surface formed by the plurality of racks, and the inner top plate is fixed with the inner end surface formed by the plurality of racks.
5. A vertical hot-skin loop green grain silo according to claim 1, wherein, The lower end surface of the bottom is provided with a plurality of support seats, and the plurality of support seats are uniformly distributed.
6. A vertical hot skin loop green grain storage temperature control system applied to the vertical hot skin loop green grain storage warehouse of any one of claims 1-5, characterized in that, The gap between the outer wall plate and the inner wall plate is provided with a connecting frame body.
7. The vertical hot-skin-loop green grain storage temperature control system according to claim 6, characterized in that, The support frame body is composed of a plurality of horizontal plates and a plurality of vertical plates.
8. The vertical hot-skin-loop green grain storage temperature control system according to claim 6, characterized in that, The upper and lower end surfaces of the horizontal plates or the vertical plates are respectively connected with the upper bottom plate and the lower bottom plate, and a plurality of cavities are formed in the support frame body through the horizontal plates and the vertical plates. The rack comprises a tripod and at least three support arms arranged in the tripod.
9. The vertical heat-skin ring circulating green grain storage temperature control system according to claim 7, characterized in that, One end of one of the support arms is connected with the middle part of the top end of the tripod, and the other end is connected with the middle part of the bottom end of the tripod.
10. The vertical heat-skin ring circulating green grain storage temperature control system according to claim 6, characterized in that, The other two support arms are arranged on the two sides. The device comprises a PLC controller, a temperature control fan, a temperature sensor, an analog-digital conversion module, a humidity sensor and a dehumidifier. The temperature sensor is connected with the input end of the PLC controller through the analog-digital conversion module. The temperature control fan is connected with the output end of the PLC controller. The output end of the temperature control fan is communicated with the inside of the grain storage device. The device further comprises a ventilation pipeline communicated with the output end of the temperature control fan. The ventilation pipeline comprises a plurality of vertical ventilation branches. The ventilation branches are arranged around the bottom, and the ventilation branches are provided with exhaust holes communicated with the inside of the grain storage device. The support frame body in the bottom is composed of a plurality of horizontal plates and a plurality of vertical plates. The upper and lower end surfaces of the horizontal plates or the vertical plates are respectively connected with the upper bottom plate and the lower bottom plate. The support frame body is further provided with a horizontal branch. One end of the horizontal branch is connected with the output end of the temperature control fan. The other end of the horizontal branch is communicated with the inside of the grain storage device. The horizontal branch extends into each cavity, and the part of the horizontal branch in each cavity is provided with an air outlet. The number of the ventilation branches is four. The four ventilation branches are uniformly arranged around the bottom. The number of the temperature control fans corresponds to the number of the ventilation branches. The humidity sensor is connected with the input end of the PLC controller through the analog-digital conversion module. The dehumidifier is connected with the output end of the PLC controller. The output end of the dehumidifier is communicated with the inside of the grain storage device.