Low-temperature drying and airing system

By using a drying rack and an air source heat pump in the low-temperature drying system, combined with heat exchange tubes and valve structure, precise control of the material tray temperature is achieved, solving the problems of long drying time and difficulty in quality control, and improving energy efficiency.

CN223580450UActive Publication Date: 2025-11-21SUNRAIN GRP CO LTD +1
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Patent Information

Application Number
CN202423180595.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-21
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing low-temperature drying and sun-drying processes suffer from problems such as long drying times and difficulty in controlling drying quality.

Method used

A low-temperature drying system is adopted, which includes a drying rack and an air source heat pump. By setting up heat exchange pipes and valve structure, the air source heat pump is used to control the temperature of the material tray, so as to achieve precise temperature control and energy saving.

Benefits of technology

It shortens the drying time, improves the accuracy of drying quality control, avoids energy waste, and increases evaporation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223580450U_ABST
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Abstract

The low-temperature drying and airing system comprises a drying material frame and an air source heat pump, the drying material frame comprises four supporting rods and a material tray, every two of the four supporting rods are connected through a connecting rod, the four supporting rods are vertically placed in a cuboid shape, and the material tray is arranged on the material tray. Supporting plates are arranged on the three connecting rods on the back face and the two side edges of the cuboid respectively, the supporting plates and the connecting rods are arranged in a pairwise perpendicular mode to form a connecting supporting plate, and a material tray is arranged on the connecting supporting plate. The material tray comprises a material tray storage net and a heat exchange pipe, the heat exchange pipe is arranged below the material tray storage net, one end of the heat exchange pipe is an inlet end, the other end of the heat exchange pipe is an outlet end, the inlet end and the outlet end of the heat exchange pipe are respectively provided with a first valve, and the other ends of the first valves are connected with an inlet and an outlet of the air source heat pump through pipelines. According to the design of the utility model, accurate temperature control of materials can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to low temperature drying drying technology field, concretely is a kind of low temperature drying drying system. BACKGROUND

[0002] Material needs to provide certain range of temperature and humidity environment in drying process, let material carry out moisture evaporation, and finally change from fresh wet state into dry state.And among them, the low temperature drying process is more strict to temperature and humidity requirement, humidity control in certain interval, the temperature controlled should not be too high, also should not be too low, too high then it is easy to cause dry cracking and material composition failure, too low then it is easy to lead to material mildew.

[0003] The existing low temperature drying drying process is to place drying material on the tray of material rack, material rack and tray are placed in drying workshop with temperature and humidity adjustable control, heat and humidity exchange between material and room environment is realized to achieve the purpose of drying.Due to the low temperature of existing drying workshop environment, the small heat exchange temperature difference and other reasons, the material low temperature drying process appears drying time long, drying quality not easy to control and other problems. UTILITARIAN CONTENT

[0004] The utility model aims at solving the problems of long drying time and difficult control of drying quality in the existing low temperature drying drying process, and provides a low temperature drying drying system.

[0005] To achieve the above object, the utility model provides the following technical scheme: a low temperature drying drying system, including drying material rack and air source heat pump, its characteristics: the drying material rack includes four support rods and material tray, four support rods are connected by setting connecting rod two by two, four support rods are vertically placed into cuboid, support plate is arranged on three connecting rods on the back and two sides of cuboid, support plate and connecting rod are vertically arranged two by two to form connecting support plate, and material tray is arranged on the connecting support plate;The material tray includes material tray storage net and heat exchange pipe, the heat exchange pipe is arranged below the material tray storage net, one end of the heat exchange pipe is inlet end, and the other end is outlet end, first valve is arranged on the inlet and outlet end of the heat exchange pipe, and the other end of the first valve is connected with the inlet and outlet of air source heat pump through pipeline.

[0006] As a further scheme of the utility model: second valve is arranged on the pipeline between first valve and the inlet and outlet of air source heat pump, and water pump is arranged on the pipeline between second valve and the inlet end of air source heat pump.The setting of water pump can transport the cold or heat generated by air source heat pump into heat exchange pipe, so as to control the temperature on material tray.

[0007] As a further scheme of the utility model: the first valve and the second valve are short in spacing, and the pipeline between the first valve and the second valve is detachably connected by a clamp. By setting the structure of the first valve and the second valve, the material tray can be conveniently disassembled and replaced, and excessive water can be prevented from overflowing during disassembly and replacement.

[0008] As a further scheme of the utility model: the four supporting rods are provided with a plurality of layers of connecting support plates, and the plurality of layers of connecting support plates are respectively provided with material trays. The first valves of the plurality of material trays are respectively connected in parallel with the inlet and outlet of the air source heat pump. By connecting the plurality of material trays in parallel with the inlet and outlet of the air source heat pump, each material tray can be controlled individually, the material tray can be conveniently disassembled and replaced individually, and the use efficiency is improved.

[0009] As a further scheme of the utility model: the heat exchange pipes are uniformly spirally arranged below the tray storage net, the inlet end and the outlet end of the heat exchange pipes are arranged at two ends of the tray storage net, or the inlet end and the outlet end are arranged at one side of the tray storage net. By arranging the heat exchange pipes below the material tray, the material is placed on the material tray, and the material is placed close to the upper side of the heat exchange pipe. Because the material and the heat exchange pipe are only separated by the tray storage net, the low-temperature drying effect is better, and the spacing of the heat exchange pipes can be set according to the size requirement of the material. The side of the drying material rack without the connecting support plate is set as the front side, and the inlet end and the outlet end of the heat exchange pipes are arranged on the front side or the back side of the tray storage net, so that the material tray can be conveniently disassembled and replaced.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] By the structure of the drying material rack, the load of the air source heat pump can be adjusted according to the temperature of the material tray, the local temperature response time is fast, and the temperature control is more accurate. By the local targeted temperature control of the material by the air source heat pump system, unnecessary energy waste is avoided, and energy consumption is reduced.

[0012] The low-temperature drying and airing system is arranged and installed in the original airing and drying process environment, the airing and drying process requirement adjustable range of temperature and humidity is ensured, the airing and drying heat exchange temperature difference is increased, the evaporation amount is increased, and the airing time is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a structural schematic view of the material tray of the utility model;

[0015] Fig. 3 It is a structural schematic view of the drying material rack of the utility model;

[0016] In the figure: 1, air source heat pump; 2, water pump; 3, second valve; 4, drying material rack; 41, material tray; 42, heat exchange pipe; 43, first valve; 44, support rod; 45, connecting support plate; 451, connecting rod; 452, support plate; 46, material tray placing net. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figs. 1-3 The utility model provides the following technical scheme:

[0019] A low-temperature drying and airing system, comprising a drying material rack 4 and an air source heat pump 1, the drying material rack 4 comprises four support rods 44 and a material tray 41, two of the four support rods 44 are connected by a connecting rod 451, the four support rods 44 are vertically placed to form a cuboid, support plates 452 are arranged on the three connecting rods 451 on the back and two sides of the cuboid, the support plates 452 and the connecting rods 451 are vertically arranged to form a connecting support plate 45, and the connecting support plate 45 is provided with the material tray 41.

[0020] A water pump 2 is arranged on the pipeline between the first valve 43 and the air source heat pump 1, and the pipeline between the second valve 3 and the inlet end of the air source heat pump 1 is provided with the water pump 2. Through the arrangement of the water pump 2, the cold or heat generated by the air source heat pump 1 can be transported into the heat exchange pipe 42, so as to control the temperature on the material tray 41.

[0021] The distance between the first valve 43 and the second valve 3 is short, and the pipeline between the first valve 43 and the second valve 3 is detachably connected by a clamp. Through the structural arrangement of the first valve 43 and the second valve 3, the material tray 41 can be conveniently disassembled and replaced, and at the same time, excessive water can be prevented from overflowing during disassembly and replacement.

[0022] The four supporting rods 44 are provided with a plurality of layers of connecting support plates 45, and the connecting support plates 45 are respectively provided with material trays 41. The first valves 43 of the plurality of material trays 41 are respectively connected in parallel with the inlet and outlet of the air source heat pump 1. Through the parallel connection of the plurality of material trays 41 and the inlet and outlet of the air source heat pump 1, each material tray 41 can be controlled individually, the material tray 41 can be conveniently disassembled and replaced, and the use efficiency is improved.

[0023] The heat exchange pipes 42 are uniformly coiled below the tray placing net, and the inlet end and the outlet end of the heat exchange pipes 42 are arranged at two ends of the tray placing net or arranged at one side of the tray placing net. Through the structural arrangement of the heat exchange pipes 42 below the material tray 41, the spacing of the heat exchange pipes 42 can be arranged according to the size requirement of the material. The side of the drying material rack 4 without the connecting support plate 45 is arranged as a front side, and the inlet end and the outlet end of the heat exchange pipes 42 are arranged on the front side or the back side of the tray placing net, so that the material tray 41 can be conveniently disassembled and replaced.

[0024] In the use of the utility model, the low-temperature drying and airing system is arranged and installed in the original drying process environment, the air source heat pump 1 is an existing product, and the model is KFDLN-100 / II TR2N1B1 and the like. First, the material tray 41 is installed on the drying material rack 4, then the material is laid flat on the material tray 41, the air source heat pump 1 and the water pump 2 are turned on, the first valve 43 and the second valve 3 connected with the material tray 41 on which the material is laid flat are opened, the cold or heat generated by the air source heat pump 1 is transported to the heat exchange pipes 42 through the water pump 2, and finally the temperature of the heat exchange pipes 42 is adjusted according to the drying process requirement, so that the temperature of the material tray 41 is controlled. After the material is dried and aired, the first valve 43 and the second valve 3 are closed, the material on the material tray 41 is collected, new material is laid flat on the material tray 41, and the temperature of the heat exchange pipes 42 is adjusted according to the airing process.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-temperature drying and airing system comprising a drying material rack (4) and an air source heat pump (1), characterized in that: The drying material rack (4) comprises four support rods (44) and a material tray (41), the four support rods (44) are connected by a connecting rod (451) in pairs, the four support rods (44) are vertically placed in a cuboid, support plates (452) are arranged on three connecting rods (451) on the back and two sides of the cuboid, the connecting rod (451) and the support plate (452) are vertically arranged in pairs to form a connecting support plate (45), and the material tray (41) is arranged on the connecting support plate (45); the material tray (41) comprises a material tray storage net (46) and a heat exchange pipe (42), the heat exchange pipe (42) is arranged below the material tray storage net (46), one end of the heat exchange pipe (42) is an inlet end, and the other end is an outlet end, first valves (43) are arranged at the inlet and outlet ends of the heat exchange pipe (42), and the other end of the first valve (43) is connected with the inlet and outlet of the air source heat pump (1) through a pipeline.

2. A low temperature drying system as claimed in claim 1, wherein: Second valves (3) are arranged on the pipeline between the first valve (43) and the inlet and outlet of the air source heat pump (1), and a water pump (2) is arranged on the pipeline between the second valve (3) and the inlet end of the air source heat pump (1).

3. A low temperature drying system as claimed in claim 2, wherein: The distance between the first valve (43) and the second valve (3) is short, and the pipeline between the first valve (43) and the second valve (3) is detachably connected through a clamp.

4. The low temperature drying system of claim 1, wherein: The heat exchange pipes (42) are uniformly arranged in a spiral manner below the tray storage net, the inlet end and the outlet end of the heat exchange pipe (42) are arranged at two ends of the tray storage net, or the inlet end and the outlet end are arranged on one side of the tray storage net.

5. The low temperature drying system of claim 1, wherein: The four support rods (44) are provided with a plurality of connecting support plates (45), and the material trays (41) are arranged on the connecting support plates (45) in layers.

6. A low temperature drying system as claimed in claim 5, wherein: The first valves (43) of a plurality of material trays (41) are connected in parallel with the inlet and outlet of the air source heat pump (1).