Air conditioning system for adjusting temperature of grain surface space of squat silo

Abstract

The utility model relates to an air conditioning system for adjusting the temperature of a grain surface space of a squat silo, which comprises an air interlayer formed between a top cover and a conical silo top, at least two air conditioners arranged at intervals in the circumferential direction of the squat silo are arranged in the air interlayer, and each air conditioner is provided with an air conditioner air outlet and an air conditioner air return opening. The air conditioner air outlet is connected with an air outlet pipeline with the lower end stretching into the grain storage space, the air conditioner air return opening is connected with an air return pipeline with the lower end stretching into the grain storage space, a pipeline opening of the air return pipeline is higher than a pipeline opening of the air outlet pipeline, and pipeline openings of the air outlet pipelines face the same direction in the circumferential direction of the squat silo. Pipeline openings of the air return pipelines face the same direction; in the same air conditioner, the pipeline opening of the air outlet pipeline faces the opposite direction of the pipeline opening of the air return pipeline. The technical problem that in the prior art, a single air conditioner cannot form cooling airflow in the circumferential direction, and consequently the cooling effect is limited is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bulk grain storage technical field especially relates to a kind of air conditioning system for shallow circular warehouse grain surface space temperature regulation. BACKGROUND

[0002] Shallow circular warehouse is a common warehouse type in the process of bulk grain storage, the shallow circular warehouse in the prior art, such as Chinese patent CN221488402U disclosed "a shallow circular warehouse with double-layer heat insulation roof", it includes warehouse wall and the conical roof set on the upper end of warehouse wall, conical roof and warehouse wall enclose the grain storage space for bulk grain storage, the upper side of conical roof is provided with roof, and air space is formed between roof and conical roof, air space is provided with heat dissipation fan, the air outlet of heat dissipation fan is connected with the grain storage space of the lower side of conical roof through air inlet duct.

[0003] When the temperature in the grain storage space is higher and not suitable for bulk grain storage, it is necessary to open the heat dissipation fan to realize the ventilation and heat dissipation of grain storage space. The existing shallow circular warehouse has the problem that only heat dissipation fan is used to ventilate and cool the grain storage space, and its cooling effect is very limited, and in the prior art, a single air conditioner is also used to cool the grain storage space, but the single air conditioner cooling has the following problems, the air outlet of single air conditioner is not easy to form circulating air flow, which leads to limited temperature control effect. In addition, when single air conditioner is damaged, the shallow circular warehouse loses the temperature control ability, which is very dangerous for bulk grain safe storage. Long time high temperature can cause bulk grain mildew and deterioration. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of air conditioning system for shallow circular warehouse grain surface space temperature regulation, to solve the technical problem that single air conditioner in the prior art cannot form circumferential direction cooling air flow and lead to limited cooling effect.

[0005] To solve the above technical problems, the technical scheme of a kind of air conditioning system for shallow circular warehouse grain surface space circulating cooling in the utility model is as follows:

[0006] The utility model relates to a kind of air conditioning system for shallow silo grain surface space temperature regulation, including bin wall and the conical bin top being set on the upper end of bin wall, conical bin top and bin wall form the storage grain space for bulk grain storage, the upper side of conical bin top is provided with top cover, top cover and conical bin top form air interlayer, at least two air conditioners are provided in air interlayer, and the air conditioner outlet and the air conditioner return air inlet are formed in each air conditioner, the air conditioner outlet is connected with the air outlet pipeline that lower end is inserted into the storage grain space, the air conditioner return air inlet is connected with the return air pipeline that lower end is inserted into the storage grain space, and the pipeline mouth of return air pipeline is higher than the pipeline mouth of air outlet pipeline, along the circumference of shallow silo, the pipeline mouth of each air outlet pipeline is oriented in the same direction, and the pipeline mouth of each return air pipeline is oriented in the same direction;In the same air conditioner, the pipeline mouth of air outlet pipeline is oriented in the opposite direction of the pipeline mouth of return air pipeline.

[0007] Further, the air conditioner has two, and the two air conditioners are evenly spaced along the circumference of the shallow silo.

[0008] Further, the air outlet pipeline is provided with an air outlet pipeline valve, and the return air pipeline is provided with a return air pipeline valve.

[0009] Further, the pipeline mouth of the return air pipeline is horizontally arranged, and the pipeline mouth of the air outlet pipeline is horizontally arranged.

[0010] Further, the pipeline mouth of the return air pipeline is provided with a return air outlet louver grid for adjusting the return air angle, and the pipeline mouth of the air outlet pipeline is provided with an air outlet louver grid for adjusting the air outlet angle.

[0011] Further, the pipeline mouth of the return air pipeline is rotatably assembled on the return air pipeline, and the rotation axis of the pipeline mouth of the return air pipeline extends in the up-down direction; the pipeline mouth of the air outlet pipeline is rotatably assembled on the air outlet pipeline, and the rotation axis of the pipeline mouth of the air outlet pipeline extends in the up-down direction.

[0012] The utility model has the advantages that: in the utility model, the air conditioner has at least two, and each air conditioner is spaced along the circumference of the shallow silo, each air conditioner works simultaneously in use, since the pipeline mouth of each air outlet pipeline is oriented in the same direction along the circumference of the shallow silo, cold air can form a circulating air flow along the circumference of the shallow silo, after the cold air exchanges heat with the air in the storage grain space with a higher temperature, the cold air is heated, the heated cold air rises, and is sucked by the return air outlet of the corresponding return air pipeline for recirculation, so that the storage grain space on the upper side of the grain surface, i.e. the grain surface space, is effectively cooled; when one air conditioner is damaged, other air conditioners can still work normally, avoiding that the temperature in the storage grain space is too high. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and other objects, features and advantages of the presently disclosed example embodiments will become more apparent from the following detailed description read in conjunction with the accompanying drawings. In the drawings, several embodiments of the present disclosure are illustrated by way of example and not limitation in which like reference numerals represent similar, or corresponding parts throughout:

[0014] Figure 1 is a structural schematic diagram of an embodiment of the utility model;

[0015] Figure 2 is Figure 1 The working principle diagram of two air conditioners in the top view direction;

[0016] 1, bulk grain; 2, the pipe opening of the air outlet duct; 3, the air outlet louver grid; 4, the warehouse wall; 5, the air conditioner; 6, the air outlet duct; 7, the pipe opening of the air return duct; 8, the air return duct; 9, the air outlet duct valve; 10, the air return duct valve; 11, the warehouse roof; 12, the grain surface space; 13, the air interlayer; 14, the top cover; 15, the air return flow; 16, the air outlet flow. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described in more detail below in conjunction with the drawings and specific embodiments. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be realized in many different forms and is not limited to the embodiments described in the specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.

[0018] It should be noted that, unless otherwise defined, all technical and scientific terms used in the specification are the same as the meanings commonly understood by the skilled in the art of the utility model. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments and are not used to limit the utility model.

[0019] An embodiment of the air conditioning system for regulating the temperature of the grain surface space of a shallow circular warehouse in the utility model is shown as follows: Figures 1-2

[0020] The warehouse wall 4 and the warehouse roof 11 arranged on the upper end of the warehouse wall 4 are provided, the warehouse roof 11 and the warehouse wall form a grain storage space for bulk grain storage, the upper side of the warehouse roof is provided with a top cover 14, the air interlayer 13 is formed between the top cover 14 and the warehouse roof 11, and the space between the bulk grain surface and the warehouse roof is called the grain surface space 12.

[0021] ​The air space is provided with two air conditioners 5 which are uniformly spaced along the circumference of the shallow silo, each air conditioner 5 has an air conditioner air outlet and an air conditioner air return outlet, the air conditioner air outlet is connected with an air outlet pipeline 6 which extends into the grain storage space, the air conditioner air return outlet is connected with an air return pipeline 8 which extends into the grain storage space, the pipeline opening of the air return pipeline is higher than the pipeline opening of the air outlet pipeline.

[0022] The air outlet pipeline 6 is provided with an air outlet pipeline valve 9, and the air return pipeline 8 is provided with an air return pipeline valve 10. When the grain is aerated and fumigated, the air outlet pipeline valve and the air return pipeline valve need to be closed to make the grain storage space a relatively closed environment.

[0023] In this embodiment, the pipeline opening 7 of the air return pipeline is horizontally arranged, the pipeline opening 2 of the air outlet pipeline is horizontally arranged, and the pipeline opening of the air return pipeline is provided with an air return louver grid for adjusting the air return angle; the pipeline opening of the air outlet pipeline is provided with an air outlet louver grid 3 for adjusting the air outlet angle.

[0024] The pipeline opening 7 of the air return pipeline is rotationally assembled on the air return pipeline 8, and the rotation axis of the pipeline opening of the air return pipeline extends in the up-down direction, and rotating the pipeline opening of the air return pipeline can adjust the direction of the pipeline opening of the air return pipeline, and the pipeline opening of the air return pipeline and the air return pipeline are positioned in the direction after rotation by friction (or a tightening screw); the pipeline opening 2 of the air outlet pipeline is rotationally assembled on the air outlet pipeline 6, and the rotation axis of the pipeline opening of the air outlet pipeline extends in the up-down direction, and rotating the pipeline opening of the air outlet pipeline can adjust the direction of the pipeline opening of the air outlet pipeline, and the pipeline opening of the air outlet pipeline and the air outlet pipeline are positioned in the direction after rotation by friction (or a tightening screw).

[0025] In this embodiment, along the circumference of the shallow silo, the pipeline openings of the air outlet pipelines are directed in the same direction, and the pipeline openings 7 of the air return pipelines are directed in the same direction; in the same air conditioner, the pipeline opening 2 of the air outlet pipeline is directed in the opposite direction of the pipeline opening of the air return pipeline. For example, in the Figure 2 , the pipeline openings of the air outlet pipelines are directed in the clockwise direction, and the pipeline openings of the air return pipelines are directed in the counterclockwise direction.

[0026] In use, the pipeline opening of the air outlet pipeline is rotated to adjust the air outlet direction, and the pipeline opening of the air return pipeline is rotated to adjust the air return direction; the air outlet angle is adjusted by the air outlet louver grid, and the air return angle is adjusted by the air return louver grid, the two air conditioners work at the same time, cold air is discharged through the pipeline openings of the corresponding air outlet pipelines to form a ring-shaped air outlet airflow 16, as the heat exchange proceeds, the cold air is heated and rises, the pipeline openings of the air return pipelines form a negative pressure, thereby forming a ring-shaped air return airflow 15 at a high place in the grain surface space, and ensuring the cooling effect on the grain surface space.

[0027] In the above description of the present specification, unless otherwise explicitly specified and limited, the terms "fixed", "mounted", "connected" or "linked" and the like should be understood in a broad sense. For example, as to the term "connected", it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or it can be internal connection of two elements or interaction relationship between two elements. Therefore, unless otherwise explicitly limited in the present specification, the above terms can be understood in the specific meaning of the present application by those skilled in the art according to the specific circumstances.

[0028] According to the above description of the present specification, those skilled in the art can also understand the terms used as follows, such as "up", "down", "front", "back", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "center", "longitudinal", "transverse", "clockwise" or "counterclockwise" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings of the present specification, which is only for the purpose of facilitating the description of the present application and simplifying the description, and is not explicitly or implicitly indicated that the device or element involved must have the specific orientation, be constructed and operated in a specific orientation, therefore the above orientation or positional relationship terms cannot be understood or interpreted as a limitation on the present application.

[0029] In addition, the terms "first" or "second" and the like used in the present specification are terms used to refer to numbers or ordinal numbers only for the purpose of description, and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" or "second" can explicitly or implicitly include at least one of the features. In the description of the present specification, the meaning of "plurality" is at least two, such as two, three or more, etc., unless otherwise explicitly specified and limited.

[0030] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An air conditioning system for temperature adjustment of a grain surface space of a shallow silo, comprising a silo wall and a silo roof arranged at an upper end of the silo wall, the silo roof and the silo wall enclosing a grain storage space for bulk grain storage, an upper side of the silo roof being provided with a roof cover, an air space being formed between the roof cover and the silo roof, characterized in that: The air space layer is provided with at least two air conditioners which are arranged along the circumference of the shallow silo and are spaced apart from each other, each air conditioner has an air conditioner air outlet and an air conditioner air return outlet, the air conditioner air outlet is connected with an air outlet pipeline whose lower end extends into the grain storage space, the air conditioner air return outlet is connected with an air return pipeline whose lower end extends into the grain storage space, the pipeline opening of the air return pipeline is higher than the pipeline opening of the air outlet pipeline, along the circumference of the shallow silo, the pipeline openings of the air outlet pipelines all face the same direction, the pipeline openings of the air return pipelines all face the same direction; in the same air conditioner, the pipeline opening of the air outlet pipeline faces the opposite direction of the pipeline opening of the air return pipeline.

2. The air conditioning system of claim 1, wherein: The air conditioners are two, and the two air conditioners are uniformly and spaced apart arranged along the circumference of the shallow silo.

3. The air conditioning system of claim 1, wherein: An air outlet pipeline valve is arranged on the air outlet pipeline; an air return pipeline valve is arranged on the air return pipeline.

4. The air conditioning system according to any one of claims 1 to 3, characterized in that: The pipeline opening of the air return pipeline is horizontally arranged, and the pipeline opening of the air outlet pipeline is horizontally arranged.

5. The air conditioning system of claim 4, wherein: The pipeline opening of the air return pipeline is provided with an air return opening louver grid for adjusting the air return angle; the pipeline opening of the air outlet pipeline is provided with an air outlet opening louver grid for adjusting the air outlet angle.

6. The air conditioning system of claim 4, wherein, The pipeline opening of the air return pipeline is rotationally assembled on the air return pipeline, and the rotation axis of the pipeline opening of the air return pipeline extends in the up-down direction; the pipeline opening of the air outlet pipeline is rotationally assembled on the air outlet pipeline, and the rotation axis of the pipeline opening of the air outlet pipeline extends in the up-down direction.

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