Rice drying device of photovoltaic tobacco curing barn

Abstract

The utility model relates to the technical field of rice drying, and discloses a rice drying device of a photovoltaic tobacco curing barn, which comprises a drying room, a sealing door connected to the middle of one side wall of the drying room through hinges, an inner wall formed in the drying room, and an outer wall formed in the drying room on one side of the inner wall. An outdoor heat pump is connected to the inner bottom end of the drying room on the side, away from the inner wall, of the outer wall through bolts, and a circulating fan is arranged on the upper portion between the outer wall and the inner wall. According to the structural design of the supporting columns, the supporting beams, the frame, the iron net and the insect-proof net, the iron net and the insect-proof net can be conveniently detached, the tobacco curing barn can be improved on the premise that the tobacco curing use of the tobacco curing barn is not affected so as to be used for drying rice, and the cost can be greatly saved; the iron net and the insect-proof net are used for bearing rice, circulation of rice drying hot air can be guaranteed, the rice drying efficiency is improved, insects can be effectively prevented, and the device is very practical.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rice drying technical field, concretely is a kind of rice drying device of photovoltaic tobacco curing house. BACKGROUND

[0002] Rice needs to be aired after harvesting, so as to be stored and processed, and rice is often aired in front of house, back of house, roadside, due to the changeable weather during late rice harvesting, sunny and rainy, cannot be harvested in time to cause problems such as bud on ear and rice heap, due to the too large airing range, sudden heavy rain will cause great economic loss to large-scale planting farmers, and if special drying facilities are built for rice, the cost of rice drying will be greatly increased.

[0003] Intensive curing house is the core facility of tobacco leaf production, and the service life of intensive curing house is generally from mid-to-late April to the end of June, which is less than three months, and tobacco-rice rotation is a mature farming system in southeast tobacco-growing areas such as Meizhou, the utility model transforms intensive curing house into rice drying facility through simple modification of tobacco curing house, which not only solves the problem of drying late rice, but also improves the comprehensive utilization value of curing house and increases the income of tobacco farmers, helps the rural revitalization of tobacco-growing areas while protecting the basic market of tobacco leaves, and therefore a rice drying device of photovoltaic tobacco curing house is provided. CONTENT OF THE UTILITY MODEL

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a rice drying device of photovoltaic tobacco curing house, which effectively solves the existing problems of rice drying.

[0005] To achieve the above object, the utility model provides the following technical scheme: a rice drying device of photovoltaic tobacco curing house, the drying device can be powered by photovoltaic power generation equipment, which saves energy, and includes a drying house, a sealing door is connected to the middle of one side wall of the drying house through a hinge, an inner wall is formed in the drying house, an outer wall is formed in the drying house on one side of the inner wall, an outdoor heat pump is connected to the bottom end of the drying house on the side away from the outer wall through bolts, a circulating fan is arranged at the upper part between the outer wall and the inner wall, a backup electric heating rod is arranged below the circulating fan, a condenser is arranged below the backup electric heating rod, a dehumidifying air pipe is arranged below the condenser, a hot air inlet is formed in the inner wall above the circulating fan, a hot air return outlet is arranged on the inner wall around the dehumidifying air pipe, an oven is formed in the drying house on the side away from the outer wall of the inner wall, a support column is formed at the bottom end of the oven, a support beam is arranged at the upper end of the support column, an iron mesh is arranged at the upper end of the support beam, and a frame is arranged around the iron mesh.

[0006] Preferably, the air outlet of the outdoor heat pump is connected to the outer wall, the fan is connected to the outer wall and the inner wall through bolts, and the outdoor heat pump is an air source heat pump, which can convert the heat in the air into high-grade heat energy, and then deliver it to the space between the outer wall and the inner wall, and then be pumped into the oven by the circulating fan.

[0007] Preferably, the backup electric heating rod is connected to the outer wall and the inner wall by bolts, the condenser is connected to the outer wall and the inner wall by bolts, and the dehumidification air pipe is connected to the inner bottom of the drying room by bolts.

[0008] The lower end of the support column is connected to the inner bottom of the drying room by pouring, the upper end of the support column is welded to the lower end of the support beam, the support beam is a square steel structure, and the support column supports the support beam by relying on the ground of the drying room.

[0009] Preferably, the frame is made of angle iron, the frame is connected to the inner wall of the drying room by expansion bolts, the iron net is divided into six parts, and the iron net is movably placed on the frame and the upper end of the support beam.

[0010] Preferably, the upper end of the iron net is provided with an insect screen, the insect screen is a 20-mesh screen, the insect screen is laid on the upper end of the iron net, the edges of the insect screen are tightly attached to the frame and the inner wall of the drying room, the rice to be dried is laid on the insect screen, the 20-mesh insect screen can prevent the rice from falling and can also prevent insects, and is also beneficial to the air circulation of the rice drying.

[0011] The rice drying device of the photovoltaic tobacco drying room has the advantages that the structure design of the support column, the support beam, the frame, the iron net and the insect screen can be conveniently disassembled, the tobacco drying room can be improved without affecting the use of the tobacco drying room, the rice drying device can greatly save costs, the iron net and the insect screen are used to carry the rice, the circulation of the rice drying hot air is guaranteed, the rice drying efficiency is improved, insects can be effectively prevented, and the device is very practical; in addition, after the rice drying is completed, the outdoor heat pump, the condenser and the backup electric heating rod stop heating work, the outdoor heat pump extracts outdoor cold air, and the circulating fan assists in circulating and cooling the rice in the drying room, which can further improve the rice drying and cooling efficiency, and the rice can be quickly collected and stored after drying. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model;

[0013] Fig. 2 It is a front view of the utility model;

[0014] Fig. 3 It is a side view of the utility model;

[0015] In the figure: 1, drying room; 2, sealing door; 3, inner wall; 4, outer wall; 5, outdoor heat pump; 6, circulating fan; 7, standby electric heating rod; 8, condenser; 9, dehumidification air pipe; 10, hot air inlet; 11, hot air return; 12, baking chamber; 13, support column; 14, support beam; 15, iron mesh; 16, frame; 17, insect screen. DETAILED DESCRIPTION

[0016] In this embodiment, the drying device is powered by a photovoltaic power generation device, which saves energy and includes a drying room 1. Figs. 1-3 The drying device is powered by a photovoltaic power generation device, which saves energy and includes a drying room 1. A sealing door 2 is connected to the middle of one side wall of the drying room 1 by a hinge. An inner wall 3 is formed in the drying room 1. An outer wall 4 is formed in the drying room 1 on one side of the inner wall 3. An outdoor heat pump 5 is connected to the bottom of the drying room 1 on the side of the outer wall 4 away from the inner wall 3 by bolts. A circulating fan 6 is arranged on the upper part between the outer wall 4 and the inner wall 3. A standby electric heating rod 7 is arranged below the circulating fan 6. A condenser 8 is arranged below the standby electric heating rod 7. A dehumidification air pipe 9 is arranged below the condenser 8. A hot air inlet 10 is formed on the inner wall 3 above the circulating fan 6. A hot air return 11 is arranged on the inner wall 3 around the dehumidification air pipe 9. A baking chamber 12 is formed in the drying room 1 on the side of the inner wall 3 away from the outer wall 4. A support column 13 is formed at the bottom of the baking chamber 12. A support beam 14 is arranged on the upper end of the support column 13. An iron mesh 15 is arranged on the upper end of the support beam 14. A frame 16 is arranged around the iron mesh 15.

[0017] The outlet of the outdoor heat pump 5 is connected to the outer wall 4. The fan 6 is connected to the outer wall 4 and the inner wall 3 by bolts. The outdoor heat pump 5 is an air source heat pump, which can convert the heat in the air into high-grade heat energy and deliver it to the outer wall 4 and the inner wall 3, and then be pumped into the baking chamber 12 by the circulating fan 6.

[0018] The standby electric heating rod 7 is connected to the outer wall 4 and the inner wall 3 by bolts. The condenser 8 is connected to the outer wall 4 and the inner wall 3 by bolts. The dehumidification air pipe 9 is connected to the bottom of the drying room 1 by bolts. The standby electric heating rod 7 can provide backup heat energy when the heat of the outdoor heat pump 5 is insufficient, which is used in the baking chamber 12. The condenser 8 can convert the gas or steam in its pipeline into liquid when it is working, and transfer the heat in the pipe to the air near its pipeline in a very fast way. The working process of the condenser 8 is a heat release process, which can also provide heat for the baking chamber 12. The humidity generated by the baking of the baking chamber 12 can be discharged through the dehumidification air pipe 9.

[0019] The lower end of the support column 13 is connected with the inner bottom end of the drying room 1 by pouring, the upper end of the support column 13 is welded with the lower end of the support beam 14, the support beam 14 is a square steel structure, the support column 13 supports the support beam 14 by relying on the ground of the drying room 1, the frame 16 is made of angle iron, the frame 16 is connected with the inner wall of the baking chamber 12 through expansion bolts, the iron net 15 is equally divided into six parts, the iron net 15 is movably placed on the frame 16 and the upper end of the support beam 14, the iron net 15 can be conveniently disassembled when not in use, the upper end of the iron net 15 is provided with the insect screen 17, the insect screen 17 is a 20-mesh screen, the insect screen 17 is laid on the upper end of the iron net 15, the edges of the insect screen 17 are closely attached to the frame 16 and the inner wall of the baking chamber 12, the rice to be dried is laid on the insect screen 17, the 20-mesh insect screen 17 can not only prevent the rice from leaking, but also has the effect of preventing insects, and is also beneficial to the air circulation of the drying rice.

[0020] Working principle: The rice drying device is modified from a tobacco drying room, can be used for drying rice during the idle period of the tobacco drying room, can greatly save costs, the rice drying device uses photovoltaic power generation equipment for power supply, and is controlled by an external control device to work, the rice to be dried is laid on the insect screen 17, the outdoor heat pump 5 is an air source heat pump, can convert the heat in the air into high-grade heat energy when working, is transported between the outer wall 4 and the inner wall 3, and is then extracted by the circulating fan 6, is sent to the baking chamber 12 through the hot air inlet 10, the condenser 8 can change the gas or steam in the pipeline into liquid when working, the heat in the pipeline is quickly transmitted to the air near the pipeline, and the heat can also be extracted by the circulating fan 6 through the hot air inlet 10 to provide heat for the baking chamber 12, the hot air entering the baking chamber 12 through the hot air inlet 10 blows downward to dry the rice on the insect screen 17, the insect screen 17 is beneficial to the circulation of the hot air for drying the rice, the hot air blowing through the rice enters the inner wall 3 and the outer wall 4 again through the hot air return air inlet 11, is heated by the condenser 8, and is then recycled by the circulating fan 6, a temperature sensor can be hung in the drying room 1, and real-time temperature information is fed back to the external control device of the rice drying device during the drying of the rice, so that the external control device can timely adjust the temperature of the outdoor heat pump 5 and the condenser 8, the standby electric heating rod 7 can work to provide additional heat when the drying temperature is insufficient, so as to ensure the required heat for drying the rice, after the drying of the rice is completed, the outdoor heat pump 5, the condenser 8 and the standby electric heating rod 7 all stop heating work, the outdoor heat pump 5 extracts outdoor cold air, and the circulating fan 6 assists in circulating cooling of the rice in the baking chamber 12, which can further improve the drying and cooling efficiency of the rice, so that the rice can be quickly collected and stored after drying.

[0021] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rice drying device for a photovoltaic flue-cured tobacco house, comprising a drying house (1), a sealing door (2) being connected to a middle part of a side wall of the drying house (1) through a hinge, characterized in that: The drying room (1) is formed with an inner wall (3), an outer wall (4) is formed on one side of the inner wall (3) in the drying room (1), an outdoor heat pump (5) is connected to the bottom of the drying room (1) away from the outer wall (4), a circulating fan (6) is arranged between the outer wall (4) and the inner wall (3), a standby electric heating rod (7) is arranged below the circulating fan (6), a condenser (8) is arranged below the standby electric heating rod (7), a dehumidifying air pipe (9) is arranged below the condenser (8), a hot air inlet (10) is formed on the inner wall (3) above the circulating fan (6), a hot air return air inlet (11) is arranged on the inner wall (3) surrounding the dehumidifying air pipe (9), a baking chamber (12) is formed in the drying room (1) away from the outer wall (4) on one side of the inner wall (3), a support column (13) is formed at the bottom of the baking chamber (12), a support beam (14) is arranged on the upper end of the support column (13), an iron mesh (15) is arranged on the upper end of the support beam (14), and a frame (16) is arranged around the iron mesh (15).

2. The rice drying device of a photovoltaic flue-cured tobacco house according to claim 1, characterized in that: The air outlet of the outdoor heat pump (5) is connected with the outer wall (4), and the fan (6) is connected with the outer wall (4) and the inner wall (3) by bolts.

3. The rice drying device of a photovoltaic flue-cured tobacco house according to claim 1, characterized in that: The standby electric heating rod (7) is connected with the outer wall (4) and the inner wall (3) by bolts, the condenser (8) is connected with the outer wall (4) and the inner wall (3) by bolts, and the dehumidifying air pipe (9) is connected with the bottom of the drying room (1) by bolts. The lower end of the support column (13) is connected with the bottom of the drying room (1) by pouring, the upper end of the support column (13) is welded with the lower end of the support beam (14), and the support beam (14) is a square steel structure.

4. The rice drying device of a photovoltaic flue-cured tobacco house according to claim 1, characterized in that: The frame (16) is made of angle iron, the frame (16) is connected with the inner wall of the baking chamber (12) by expansion bolts, the iron mesh (15) is divided into six parts, and the iron mesh (15) is movably placed on the frame (16) and the upper end of the support beam (14).

5. The rice drying device of the photovoltaic tobacco drying room according to claim 1, characterized in that: The upper end of the iron mesh (15) is provided with an insect screen (17), the insect screen (17) is a 20-mesh screen, the insect screen (17) is laid on the upper end of the iron mesh (15), and the edges of the insect screen (17) are tightly attached to the frame (16) and the inner wall of the baking chamber (12).

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