Photovoltaic direct-current tobacco drying device

Abstract

The utility model discloses a photovoltaic direct-current tobacco drying device which comprises a photovoltaic power generation assembly used for providing direct-current power. The heating body is connected with the photovoltaic power generation assembly; a mains supply supplies power to the heating body; an upper tuyere and a lower tuyere which are distributed up and down are formed in the heating chamber; the tobacco containing chamber is located on one side of the heating chamber, a plurality of storage racks are arranged in the tobacco containing chamber, and the upper air opening and the lower air opening are both communicated with the heating chamber; the fan coil is arranged in the heating chamber, the fan coil enables two parts of the heating chamber to be communicated, and the heating body is communicated with the fan coil; and the fan is arranged at the top of the heating chamber. According to the utility model, after unstable electric energy generated by the photovoltaic power generation assembly is directly supplied to the heating body by direct current, tobacco is circularly dried through electric heating steam; the photovoltaic power generation assembly and the mains supply are complementary to achieve integrated intelligent drying of tobacco, and the drying effect is good; and when drying is not carried out, the photovoltaic power generation assembly carries out inversion grid connection through the photovoltaic inverter to carry out photovoltaic power generation grid connection, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of drying devices, more particularly to a kind of photovoltaic direct current is used for tobacco drying device. BACKGROUND

[0002] In the tobacco processing process, tobacco needs to be dried by drying device, and most of the existing drying devices generally use direct heating and drying of tobacco flatly. This method consumes a lot of energy and takes a long time to dry the tobacco, resulting in low efficiency of the drying device.

[0003] In the prior art, photovoltaic power generation components can generate a lot of direct current. How to apply the direct current generated by them to the tobacco drying device to reduce energy consumption and meet the energy-saving and environmental protection requirements of the drying device is a problem that needs to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of the prior art and providing a photovoltaic direct current tobacco drying device. The device has good drying effect and makes full use of photovoltaic power generation components, avoiding waste of photovoltaic power generation and achieving environmental protection and energy saving.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a photovoltaic direct current tobacco drying device, which comprises:

[0006] A photovoltaic power generation component is used to provide direct current.

[0007] A heating body is connected to the photovoltaic power generation component, and the photovoltaic power generation component is used to supply direct current to the heating body for work.

[0008] A commercial power supply is used to supply power to the heating body.

[0009] A heating chamber is located on one side of the heating body, and an upper air inlet and a lower air inlet are provided in the heating chamber.

[0010] A tobacco loading chamber is located on one side of the heating chamber, and a plurality of storage racks for placing tobacco are provided in the tobacco loading chamber.

[0011] A fan coil is provided in the heating chamber, and the fan coil connects the two parts of the heating chamber. The heating body and the fan coil are connected, and the heating liquid is circulated to the fan coil, and the fan coil releases hot steam.

[0012] The fan is arranged on the top of the heating chamber, and hot steam released by the fan coil is sent into the tobacco loading chamber through the upper air outlet. After the air at the bottom of the tobacco loading chamber enters the heating chamber through the lower air outlet, the hot steam below the fan coil is heated by repeated circulation of the fan coil and then sent into the tobacco loading chamber by the fan through the upper air outlet.

[0013] Further, the photovoltaic power generation assembly includes four groups of photovoltaic assemblies connected in parallel at 550 volts.

[0014] Further, the photovoltaic power generation assembly is connected to the power grid after being inverted by a photovoltaic inverter.

[0015] Further, the number of the fans is two.

[0016] Further, the tobacco loading chamber is further provided with an observation window.

[0017] Further, the heating body includes two photoelectric drying ovens connected in parallel; each photoelectric drying oven is connected to the fan coil by a water supply pipeline and returns to the photoelectric drying oven by a return pipeline; and the two photoelectric drying ovens are connected to the water inlet channel.

[0018] Thanks to the above technical scheme, the present application has the following advantages over the prior art:

[0019] The photovoltaic direct-current tobacco drying device of the present application uses the unstable power generated by the photovoltaic power generation assembly to form self-generated electric heat steam by directly supplying the heating body and the fan coil with direct current, and then uses the electric heat steam to dry the tobacco. The electric heat steam after drying is introduced into the heating chamber through the lower air outlet, and then is introduced into the heating chamber by the fan coil and the fan, thereby achieving full utilization of the power generated by the photovoltaic power generation assembly, good drying effect, and no waste.

[0020] Meanwhile, the photovoltaic power generation assembly and the power source are complementary to each other to realize integrated intelligent drying of the tobacco, achieve energy-saving drying, and have good drying effect. When not drying, the photovoltaic power generation assembly is inverted by the photovoltaic inverter to generate power and connect to the power grid, thereby improving the utilization rate of the photovoltaic power generation assembly and meeting the use requirement. BRIEF DESCRIPTION OF DRAWINGS

[0021] The technical scheme of the present application will be further described below with reference to the drawings:

[0022] Figure 1 Fig. 1 is a structural schematic view of an embodiment of the present application;

[0023] Figure 2 Fig. 2 is a sectional view of the fan coil and the fan during assembly in the heating chamber in an embodiment of the present application;

[0024] Figure 3 Figure 1 is a partial schematic view of a tobacco loading chamber in an embodiment of the present application;

[0025] Figure 4 Figure 2 is a schematic view of the connection of a photovoltaic power generation assembly, a commercial power supply, a heating body, and a fan coil in an embodiment of the present application;

[0026] Wherein: 1, photovoltaic power generation assembly; 2, heating body; 3, commercial power supply; 4, heating chamber; 5, tobacco loading chamber; 6, fan coil; 7, fan; 8, commercial power grid; 9, photovoltaic inverter; 10, photovoltaic assembly; 20, photoelectric drying furnace; 21, water supply pipeline; 22, return water pipeline; 23, water inlet channel; 40, upper air inlet; 41, lower air inlet; 50, storage rack; 51, observation window. DETAILED DESCRIPTION

[0027] In order to enable personnel in the technical field to better understand the present application scheme, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts should fall within the scope of protection of the present application.

[0028] The present application provides a photovoltaic direct-current tobacco drying device to solve the problem of low drying efficiency for tobacco in the prior art, inability of the electric energy generated by photovoltaic power generation to act on the drying device, and energy waste.

[0029] For the convenience of understanding, the specific process in the embodiments of the present application will be described below. Please refer to Figures 1 to 3 The photovoltaic direct-current tobacco drying device in the embodiments of the present application includes a photovoltaic power generation assembly 1, a heating body 2, a commercial power supply 3, a heating chamber 4, a tobacco loading chamber 5, a fan coil 6, and a fan 7. The photovoltaic power generation assembly 1 is used to provide direct current. The heating body 2 is connected with the photovoltaic power generation assembly 1. The photovoltaic power generation assembly 1 is used to supply direct current to the heating body 2 for work. The heating body is a liquid heating operation. The commercial power supply 3 supplies power to the heating body.

[0030] The heating chamber 4 is located at one side of the heating body, and the upper air inlet 40 and the lower air inlet 41 are arranged in the heating chamber in an up-down distribution; the tobacco loading chamber 5 is located at one side of the heating chamber 4, and a plurality of racks 50 for placing tobacco are arranged in the tobacco loading chamber 5; the upper air inlet 40 and the lower air inlet 41 are communicated with the heating chamber 4; the fan coil 6 is arranged in the heating chamber 4 in a transverse direction, the fan coil 6 communicates two parts of the heating chamber 4, the heating body 2 is communicated with the fan coil 6, and the heating liquid is circulated to the fan coil 6, and then the heat is released by the fan coil in the form of hot steam. The fan 7 is arranged at the top of the heating chamber 4, and the fan is used to send the hot steam released by the fan coil to the tobacco loading chamber 5 from the upper air inlet 40.

[0031] In an embodiment, the photovoltaic power generation assembly 1 in the embodiment includes four groups of 550-volt photovoltaic assemblies 10 arranged in parallel, and the four groups of 550-volt photovoltaic assemblies 10 synchronously supply power to the heating body 2.

[0032] In an embodiment, the photovoltaic power generation assembly 1 is connected to the power grid 8 after being inverted by the photovoltaic inverter 9. Specifically, when not working, the electricity generated by the photovoltaic power generation assembly 1 is inverted by the photovoltaic inverter 0 and then connected to the power grid to generate electricity by photovoltaic power generation. The whole device is combined with the power supply 3 to work in the drying season, and generates electricity by photovoltaic power generation when not drying.

[0033] In an embodiment, the photovoltaic power generation assembly 1 provides direct current for heating the heating body without an inverter, and direct current generated by the photovoltaic power generation assembly 1 is used for heating, which reduces inverter loss and improves the utilization rate of photovoltaic power.

[0034] In an embodiment, the number of the fan 7 is two, and the number can also be one.

[0035] In an embodiment, the tobacco loading chamber 5 is further provided with an observation window 51, and the tobacco in the tobacco loading chamber 5 can be observed in real time.

[0036] In an embodiment, referring to Figure 4 , the heating body 2 includes two photovoltaic drying furnaces 20 arranged in parallel, and in the embodiment, each photovoltaic drying furnace 20 is communicated with the fan coil 6 through a water supply pipeline 21, and then flows back to the photovoltaic drying furnace 20 through a backwater pipeline 22, so as to realize circulation of the heating liquid. In addition, the heating liquid flows into the heating body 2 through a water inlet channel 23. Meanwhile, each photovoltaic drying furnace 20 in the embodiment is communicated with the power supply 3, so that the photovoltaic power generation assembly and the power supply 3 can supply power to the photovoltaic drying furnace 20.

[0037] The heating liquid in the embodiment is water, which is sent into the fan coil 6 through the water inlet channel 23, and then the heated hot water is sent into the heating chamber 5 in the form of hot air by the fan coil 6.

[0038] In operation: the heat released by the fan coil is sent into the tobacco loading chamber in the form of hot air through the upper air outlet, and the air at the bottom of the tobacco loading chamber enters the space below the heating chamber through the lower air outlet, and then the air below the fan coil is heated repeatedly by the fan coil, and the hot air is sent into the tobacco loading chamber through the upper air outlet by the fan.

[0039] In detail: the four groups of 550-volt photovoltaic components 10 directly supply direct current to the two photoelectric drying ovens 20, the water heated by the photoelectric drying ovens 20 is circulated into the fan coil by the circulating pump, the heat is released by the fan coil 6, and the hot air is sent into the heating chamber 5 through the upper air outlet 40 by the fan 7, so as to realize the drying of the tobacco on the rack 50.

[0040] Then, the hot air flows into the space below the closed heating chamber 5, and then returns to the space below the fan coil 6 through the lower air return 41, and then the air is continuously heated after being repeatedly heated by the fan coil 6, and the hot air is sent into the heating chamber 5 by the fan. During the entire operation, the photovoltaic power and the mains power are automatically used to complement each other to heat according to the set drying temperature, and the intelligent complementary heating mode is realized.

[0041] The drying device uses the unstable power generated by the photovoltaic power generation components to form self-generated electric heat steam to dry the tobacco after directly supplying the heat body and the fan coil with the direct current, and the mains power is used to complement the drying to realize the integrated intelligent drying, which has high processing efficiency and meets the actual use requirements.

[0042] Of course, the drying device is not limited to be applied in the tobacco industry, and some fruits, vegetables, crops, marine products or other items that need to be dried can also be adapted.

[0043] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; 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. A photovoltaic direct current tobacco drying apparatus, characterized in that, The utility model relates to a kind of solar energy heating tobacco device, including: Photovoltaic power generation component (1) to provide direct current; Heating body (2) is connected with the photovoltaic power generation component (1), and the photovoltaic power generation component (1) is used to supply direct current to the heating body (2) for working; Mains power supply (3) is supplied to the heating body (2); Heating chamber (4) is located at one side of the heating body (2), and the heating chamber (4) is opened with upper air port (40) and lower air port (41) in upper and lower distribution; Tobacco loading chamber (5) is located at one side of the heating chamber (4), and the tobacco loading chamber (5) is provided with a plurality of racks (50) for placing tobacco, wherein the upper air port (40) and the lower air port (41) are communicated with the heating chamber (4); Fan coil (6) is arranged in the heating chamber (4), and the fan coil (6) is communicated with the two parts of the heating chamber (4) separated by the fan coil (6), and the heating body (2) is communicated with the fan coil (6) to circulate the heating liquid to the fan coil (6), and the fan coil (6) releases hot steam; Fan (7) is arranged at the top of the heating chamber (4), to send the hot steam released by the fan coil (6) to the tobacco loading chamber (5) through the upper air port (40), and the air at the bottom of the tobacco loading chamber (5) enters the heating chamber (4) below through the lower air port (41), and the hot steam below the fan coil (6) is repeatedly heated by the fan coil (6), and the fan (7) is used to transport the hot steam from the upper air port (40) to the tobacco loading chamber (5).

2. The photovoltaic DC tobacco drying apparatus of claim 1, wherein: The photovoltaic power generation component (1) includes four groups of 550-volt photovoltaic components (10) arranged in parallel.

3. The photovoltaic DC tobacco drying apparatus of claim 1, wherein: The photovoltaic power generation component (1) is connected to the mains power supply (8) through a photovoltaic inverter (9).

4. The photovoltaic DC tobacco drying apparatus of claim 1, wherein: The number of the fan (7) is two.

5. The photovoltaic DC tobacco drying apparatus of claim 1, wherein: The tobacco loading chamber (5) is further provided with an observation window (51).

6. The photovoltaic DC tobacco curing apparatus of claim 1, wherein: The heating body (2) includes two parallelly arranged photoelectric drying ovens (20), each of which is connected to the fan coil (6) by a water supply pipeline (21) and returns to the photoelectric drying oven (20) by a return water pipeline (22), and the two photoelectric drying ovens (20) are communicated with the water inlet channel (23).

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