Integrated intelligent control efficient energy-saving heat pump type grain drying equipment

Abstract

The utility model discloses efficient energy-saving heat pump type grain drying equipment with integrated intelligent control. The efficient energy-saving heat pump type grain drying equipment comprises a drying tower, a heat pump device, an intelligent temperature and humidity control system, a hot air input and wet air output device, an air quantity supplementing and dust removing system, a heat pipe heat exchanger and an auxiliary electric heating mechanism. Grain is placed in the drying tower, air flow is transmitted through the hot air input device and the wet air output device, the grain is dried, the grain enters the drying section to be dried, moisture of air is removed through the drying medium, the air is processed through the heat pump device, and the temperature of the air is increased again to be dried. Meanwhile, air can be heated through an auxiliary electric heating mechanism, the poor drying effect caused by too low temperature is avoided, sufficient drying can be conducted, then the grains pass through the cooling section and are cooled through an air cooler, the grains can be rapidly dried, and therefore the effects of low energy consumption and stable grain quality are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of grain drying equipment, in particular to a high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control. Background Art

[0002] Grain drying equipment is a machine used to remove moisture from agricultural products. It primarily uses heat to evaporate the moisture from the produce and exhaust it outside the machine through an exhaust system, achieving the desired drying effect. Grain drying equipment can be categorized by application, including rice dryers, grain dryers, and general-purpose grain dryers. It can also be categorized by structural type, including vertical cylindrical, horizontal circular, belt, and box-type dryers. Current traditional grain drying methods suffer from high energy consumption, environmental pollution, and inconsistent drying quality. A new drying system is needed that can improve drying efficiency while reducing energy consumption and environmental pollution.

[0003] Therefore, it is necessary to design and transform the grain drying equipment to effectively prevent the current traditional grain drying methods from having high energy consumption, environmental pollution, and unstable drying quality. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide an efficient and energy-saving heat pump grain drying equipment with integrated intelligent control, which has the advantages of efficient and energy-saving drying, and solves the problems of high energy consumption, environmental pollution and unstable drying quality of the current traditional grain drying methods.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an efficient and energy-saving heat pump grain drying equipment with integrated intelligent control, comprising a drying tower, a heat pump device, an intelligent temperature and humidity control system, a hot air input and wet air output device, an air volume replenishment and dust removal system, a heat pipe heat exchanger, an auxiliary electric heating mechanism, an intelligent fault diagnosis and maintenance system, and a drainage and recycling system; a dehumidification and heating room is provided at the bottom of the drying tower, a control room is provided at the bottom of the front of the dehumidification and heating room, a multi-stage drying structure is provided inside the drying tower, an air duct is connected to the top of the dehumidification and heating room, and the air duct is connected to the front of the drying tower.

[0006] As a preferred embodiment of the present invention, the multi-stage drying structure includes a preheating section, the preheating section is located at the top of the inner wall of the drying tower, a drying section is provided at the bottom of the preheating section, and a cooling section is provided at the bottom of the drying section.

[0007] As a preferred embodiment of the present invention, the heat pump device includes an evaporator, the evaporator is located inside the drying tower, the outside of the evaporator is connected to a condenser through a compressor and an expansion valve, and the number of the evaporators and coolers are both three.

[0008] As a preferred embodiment of the present invention, the intelligent temperature and humidity control system is used in conjunction with a drying tower, and the air volume replenishment and dust removal system is used in conjunction with a drying tower.

[0009] As a preferred embodiment of the present invention, the auxiliary electric heating mechanism is located inside the air duct, and the auxiliary electric heating mechanism is used in conjunction with a heat pump device.

[0010] As a preferred embodiment of the present invention, the intelligent fault diagnosis and maintenance system is used in conjunction with a control room, and the control room is used in conjunction with a drying tower.

[0011] As a preferred embodiment of the present invention, there are several heat pump devices, and the heat pump devices work in series.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model dries the grain by placing it in a drying tower, transmitting airflow through hot air input and wet air output devices, and allowing the grain to enter the drying section for drying. The air then passes through a drying medium to remove moisture, and then passes through a heat pump device to reheat the air for drying. At the same time, the air can be heated by an auxiliary electric heating mechanism to avoid poor drying effect caused by too low a temperature, so that sufficient drying can be carried out. After that, the grain passes through a cooling section and is cooled by an air cooler, so that the grain can be dried quickly, thereby achieving the effect of low energy consumption and stable grain quality.

[0014] 2. The utility model can dry grains by setting up a multi-stage drying structure, effectively improving grain drying efficiency, and at the same time can realize the utilization of electric energy and significantly reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of the drying tower of the utility model;

[0016] Figure 2 This is a schematic diagram of the working process of the drying tower of the utility model;

[0017] Figure 3 This is a flow chart of the air volume replenishment and dust removal system of the utility model;

[0018] Figure 4 This is a flow chart of the drainage and recycling system of the utility model;

[0019] Figure 5 This is a flow chart of the intelligent temperature and humidity control system of the utility model;

[0020] Figure 6This is a schematic diagram of the process flow of the hot air input and wet air output device of the utility model;

[0021] Figure 7 This is a schematic diagram of the return air of the drying tower of the present invention.

[0022] In the figure: 1. Drying tower; 2. Heat pump device; 21. Evaporator; 22. Condenser; 3. Intelligent temperature and humidity control system; 4. Hot air input and wet air output device; 5. Air volume replenishment and dust removal system; 6. Heat pipe heat exchanger; 7. Auxiliary electric heating mechanism; 9. Drainage and recycling system; 10. Dehumidification and heating room; 11. Control room; 12. Multi-stage drying structure; 121. Preheating section; 122. Drying section; 123. Cooling section; 13. Air duct. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figures 1 to 7 As shown, the utility model provides an integrated intelligent controlled high-efficiency energy-saving heat pump grain drying equipment, including a drying tower 1, a heat pump device 2, an intelligent temperature and humidity control system 3, a hot air input and wet air output device 4, an air volume replenishment and dust removal system 5, a heat pipe heat exchanger 6, an auxiliary electric heating mechanism 7, an intelligent fault diagnosis and maintenance system and a drainage and recycling system 9. A dehumidification and heating room 10 is provided at the bottom of the drying tower 1, a control room 11 is provided at the bottom of the front of the dehumidification and heating room 10, a multi-stage drying structure 12 is provided inside the drying tower 1, and an air duct 13 is connected to the top of the dehumidification and heating room 10, and the air duct 13 is connected to the front of the drying tower 1.

[0025] refer to Figure 2 The multi-stage drying structure 12 includes a preheating section 121, which is located at the top of the inner wall of the drying tower 1. A drying section 122 is provided at the bottom of the preheating section 121, and a cooling section 123 is provided at the bottom of the drying section 122.

[0026] As a technical optimization solution of the present invention, the multi-stage drying structure 12 is provided to dry grains, effectively improving the grain drying efficiency, while realizing the utilization of electric energy and significantly reducing energy consumption.

[0027] refer to Figure 2The heat pump device 2 includes an evaporator 21, which is located inside the drying tower 1. The outside of the evaporator 21 is connected to a condenser 22 through a compressor and an expansion valve. There are three evaporators 21 and three coolers.

[0028] As a technical optimization solution of the present invention, the heat pump device 2 is provided to achieve closed-loop air volume and energy recovery, thereby realizing the purpose of environmentally friendly and energy-saving drying, with high drying efficiency and strong environmental protection.

[0029] refer to Figure 5 The intelligent temperature and humidity control system 3 is used in conjunction with the drying tower 1, and the air volume replenishment and dust removal system 5 is used in conjunction with the drying tower 1.

[0030] As a technical optimization solution of the present invention, by setting the intelligent temperature and humidity control system 3 to be used in conjunction with the drying tower 1, the temperature and humidity inside the drying tower 1 can be accurately controlled, the grain drying quality can be improved, the safety is relatively strong, and it is convenient for users to use.

[0031] refer to Figure 2 The auxiliary electric heating mechanism is located inside the air duct 13 and is used in conjunction with the heat pump device 2.

[0032] As a technical optimization solution of the present invention, by arranging the auxiliary electric heating mechanism to be located inside the air duct 13, emergency heating can be provided in low-temperature environments or when the heat pump device 2 fails, without any shutdown, thus avoiding affecting work efficiency.

[0033] refer to Figure 5 The intelligent fault diagnosis and maintenance system is used in conjunction with the control room 11, and the control room 11 is used in conjunction with the drying tower 1.

[0034] As a technical optimization solution of the present invention, by setting the intelligent fault diagnosis and maintenance system to be used in conjunction with the control room 11, the equipment status can be monitored in real time, and potential faults can be predicted and prevented.

[0035] refer to Figure 2 There are several heat pump devices 2, and the heat pump devices 2 work in series.

[0036] As a technical optimization solution of the present invention, by setting the number of heat pump devices 2 to be several, a series working mode can be adopted to improve system performance and effectiveness, and the working efficiency is relatively high.

[0037] The working principle and usage process of the present invention are as follows: when using the utility model, the user first places the grain into the drying tower 1 when drying the grain, transmits the airflow through the hot air input and wet air output device 4 to dry the grain, and then makes the grain enter the drying section 122 for drying treatment. After that, the air passes through the drying medium to remove moisture, and then passes through the heat pump device 2 to reheat the air for drying. At the same time, the air can be heated by an auxiliary electric heating mechanism to avoid poor drying effect caused by too low temperature, so that sufficient drying can be carried out. After that, the grain passes through the cooling section 123 and is cooled by the air cooler, thereby achieving the effect of high efficiency and energy saving.

[0038] To sum up: the high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control solves the problems of high energy consumption, environmental pollution and unstable drying quality in the current traditional grain drying methods by setting a drying tower 1, a heat pump device 2, an evaporator 21, a condenser 22, an intelligent temperature and humidity control system 3, a hot air input and wet air output device 4, an air volume replenishment and dust removal system 5, a heat pipe heat exchanger 6, an auxiliary electric heating mechanism 7, an intelligent fault diagnosis and maintenance system, a drainage and recycling system 9, a dehumidification and heating room 10, a control room 11, a multi-stage drying structure 12, a preheating section 121, a drying section 122, a cooling section 123 and an air duct 13.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-efficient heat pump grain drying device with integrated intelligent control, comprising a drying tower (1), a heat pump device (2), an intelligent temperature and humidity control system (3), a hot air input and wet air output device (4), an air volume replenishment and dust removal system (5), a heat pipe heat exchanger (6), an auxiliary electric heating mechanism (7), an intelligent fault diagnosis and maintenance system, and a drainage and recycling system (9), characterized in that: A dehumidification and heating machine room (10) is provided at the bottom of the drying tower (1), a control machine room (11) is provided at the bottom of the front of the dehumidification and heating machine room (10), a multi-stage drying structure (12) is provided inside the drying tower (1), the top of the dehumidification and heating machine room (10) is connected to an air duct (13), and the air duct (13) is connected to the front of the drying tower (1).

2. The high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control according to claim 1 is characterized in that: The multi-stage drying structure (12) comprises a preheating section (121), the preheating section (121) is located at the top of the inner wall of the drying tower (1), a drying section (122) is provided at the bottom of the preheating section (121), and a cooling section (123) is provided at the bottom of the drying section (122).

3. The high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control according to claim 1 is characterized in that: The heat pump device (2) includes an evaporator (21), which is located inside the drying tower (1). The outside of the evaporator (21) is connected to a condenser (22) via a compressor and an expansion valve. The number of the evaporator (21) and the number of the coolers are both three.

4. The high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control according to claim 1 is characterized in that: The intelligent temperature and humidity control system (3) is used in conjunction with the drying tower (1), and the air volume replenishment and dust removal system (5) is used in conjunction with the drying tower (1).

5. The high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control according to claim 1 is characterized in that: The auxiliary electric heating mechanism (7) is located inside the air duct (13), and the auxiliary electric heating mechanism (7) is used in conjunction with the heat pump device (2).

6. The high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control according to claim 1, characterized in that: The intelligent fault diagnosis and maintenance system is used in conjunction with a control room (11), and the control room (11) is used in conjunction with a drying tower (1).

7. The high-efficiency and energy-saving heat pump grain drying equipment with integrated intelligent control according to claim 1, characterized in that: There are a plurality of heat pump devices (2), and the heat pump devices (2) operate in series.

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