CN111043847B - Multi-variable control drying device of solar heat collector - Google Patents

Abstract

The invention discloses a multivariable control drying device of a solar heat collector, which structurally comprises a solar drying system and a multivariable control drying system. The solar drying system consists of a solar heat collector, a ventilating pipe fan, a heat collector circulating fan, a heat collector air inlet pipe, a drying room, a gate and a base frame; the multivariable control drying system consists of a dehumidifier, a gas storage tank, a connecting pipe, an auxiliary fan, a drying chamber, a small door and an object placing plate. The solar energy drying system can effectively utilize clean energy brought by solar energy, simultaneously avoids the defect that a solar heat collector drying system is easily influenced by the environment, provides a stable and controllable environment for drying agricultural products, implements targeted variable control on crops, improves the solar energy drying efficiency in an auxiliary mode, reduces the damage to the crops, is simple to operate, has strong flexibility, saves resources, reduces environmental pollution and has good economic benefit.

Description

A multi-variable control drying device for solar collectors

technical field

The invention relates to a drying system, in particular to a multi-variable control drying device for a solar heat collector, which belongs to the technical field of new energy drying.

Background technique

At present, solar collector drying, as a new and efficient drying method for crops, has begun to be erected more and more. However, the technical development of the existing solar collector drying device focuses on the system level, while ignoring the drying process. The influence of the air in the box (room), because the solar collector directly exchanges energy with the surrounding environment, the humid and low temperature environment not only increases the energy consumption of the solar collector but also has a counterproductive effect on dry crops, and many microorganisms Enter into the drying box (chamber) through the collector.

Based on the fact that the solar collector does not consider the control of the drying environment of crops, a multi-variable control drying device for solar collectors is proposed. Through dual-system control, it not only utilizes the thermal energy provided by the collector, but also effectively controls the environment where the crops are located. , isolate the influence of outside air. Moreover, the impact of a drying environment variable can be studied in a targeted manner, which enriches the diversity of thermal drying methods and builds a more complete platform for related research.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the above drying methods, the present invention provides a multi-variable control drying device for solar collectors, which adds a multi-variable control drying system to the solar collector drying system, controls the drying environment, improves drying efficiency, saves resources and It maintains stable energy supply, reduces environmental pollution, and at the same time avoids problems such as reducing the quality of agricultural products due to artificial drying.

In order to achieve the above purpose, the technical scheme of the present invention is: a multi-variable control drying device for a solar heat collector, which includes a solar drying system and a multi-variable control drying system.

The solar drying system is composed of a solar collector, a ventilation pipe, a ventilation pipe fan, a collector circulating fan, a collector air inlet pipe, a drying room, a gate, and a foundation frame; It is composed of humidifier, air storage tank, connecting pipe, auxiliary fan, drying room, small door and storage board.

The drying room of the solar drying system is fixed on the base frame, the solar collector is installed obliquely on the triangular base frame outside the drying room, and the collector air inlet pipe, ventilation pipe and ventilation pipe are installed on the lower side of the collector. The fan is installed under the drying room, one end is connected to the solar collector by a ventilation pipe, and the other end is connected to the air outlet at the bottom of the drying room. It is connected with the solar collector, and the door is installed on the drying room; the built-in panel in the drying room of the multi-variable control drying system is fixed in the drying room. The fan and the dehumidifier are thought through and placed on the top of the drying room, and then connected to the drying room by connecting pipes respectively. The air storage tank is placed on the top of the drying room and is controlled by the auxiliary fan.

Further, the heat collector is a solar air heat collector, which uses solar energy to heat the air, and the heat is sent to the drying room by the heat collector circulating fan.

Further, the air in the drying room is dehumidified by the ventilation duct fan and then drawn into the solar heat collector to be heated again and sent to the drying room to form a circulation mode.

Further, the dehumidifier is connected with the auxiliary fan, and the humid gas in the drying room can be dehumidified by the dehumidifier, and then enter the drying chamber again through the auxiliary fan to dry the materials.

Further, the air storage tank controls the environmental variables of the crops in the drying room through the auxiliary fan.

Further, the drying room is a closed environment during operation, and the material of the drying room wall is a material with good thermal conductivity, so that the heat in the drying room can be quickly transferred to the drying room.

Further, the corners of the drying room and the drying room are designed as rounded corners, the indoor air temperature is uniform, and there is no dead angle of hot air.

Further, the storage board is provided with holes, so that the hot air can circulate better, and the storage board is of a push-pull type, which is convenient for placing and taking out materials.

The advantages and beneficial effects of the invention are: the variation of environmental factors in the drying process can be controlled, so that the materials are always in a stable and ideal environment during the drying process, and are not affected by changes in the external environment, thereby greatly improving the solar collector. The efficiency of the drying system is an ideal drying system.

Description of drawings

FIG. 1 is a front view of a multi-variable control drying device for realizing a solar collector of the present invention.

In the figure: collector air inlet 1; collector circulating fan 2; dehumidifier 3; drying room 4; small door 5; gate 6; solar collector 7; foundation frame 8; air storage tank 9; connection Tube 10; Auxiliary fan 11; Drying room 12;

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and examples.

The invention provides a multi-variable control drying device for a solar heat collector.

As shown in Figure 1, the solar drying system consists of a solar collector 7, a collector air inlet pipe 1, a collector circulation fan 2, a ventilation pipe fan 14, a ventilation pipe 15, a drying room 4, a gate 6, a foundation The multi-variable control drying system is composed of a moisture extractor 3 , an air storage tank 9 , a connecting pipe 10 , an auxiliary fan 11 , a drying chamber 12 , a small door 5 , and a storage board 13 .

First, the drying room 4 is placed on the base frame 8 , the base frame 8 is fixed on the ground, and the door 6 is installed on the drying room 4 .

Next, the drying room 12 is fixed in the drying room 4 , the storage boards 13 are inserted into the drying room 12 at intervals, and the small door 5 is installed on the drying room 12 .

Then, the air storage tank 9 is placed on one side of the top of the drying room 4, and is connected to the auxiliary fan 11 through the connecting pipe 10. The auxiliary fan 11 is installed on the top of the drying room 4, and is connected to the drying room 12 by the connecting pipe 10; The dryer 3 is connected with the auxiliary fan 11 by the connecting pipe 10 and placed on the top of the drying room 4, and is connected with the drying room 12 through the connecting pipe 10.

Finally, the solar collector 7 is installed obliquely on the triangular base frame 8 outside the drying room 4, the ventilation pipe 15 is installed at the rear and bottom of the solar collector 7, and the collector air inlet pipe 1 is installed at the rear and upper part, and the ventilation pipe 15 is connected with The ventilation pipe fan 14 is connected, the ventilation pipe fan 14 is connected with the air outlet below the drying room 4, the collector air inlet pipe 1 is connected with the collector circulating fan 2, and the collector circulating fan 2 is connected with the air intake above the drying room 4 The holes are connected and placed on the top of the drying room 4 to complete the assembly of a solar collector multi-variable control drying device.

Specifically, the air enters the solar collector 7 for heating, passes through the collector air inlet duct 1, enters the drying room 4 by the collector circulating fan 2, provides heat for the drying room 12, and is then inhaled by the ventilation duct fan 14 after dehumidification. The ventilation pipe 15 enters the solar collector 7 again for heating, and circulates in sequence.

Specifically, the gas in the gas storage tank 9 enters the drying chamber 12 through the connecting pipe 10 and the auxiliary fan 11 to control the drying environment of the crops.

Specifically, the humid air in the drying chamber 12 enters the dehumidifier 3 through the connecting pipe 10 for dehumidification, and the dehumidified drying gas enters the drying chamber 12 again through the auxiliary fan 11 through the connecting pipe 10 .

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Technical personnel, within the scope of the technical solution of the present invention, can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above, but any content that does not depart from the technical solution of the present invention, according to Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (4)

1. A solar collector multi-variable control drying device is characterized in that, it is composed of a solar drying system and a multi-variable control drying system; the solar drying system is composed of a solar collector, a ventilation pipe, a ventilation pipe fan, a heat collector The multi-variable control drying system consists of a dehumidifier, an air storage tank, a connecting pipe, an auxiliary fan, a drying room, a small door, and a storage unit. The drying room of the solar drying system is fixedly installed on the base frame, the solar collector is installed obliquely on the triangular base frame outside the drying room, and the collector ventilation pipe is installed on the lower side of the collector. The fan is installed under the drying room, one end is connected to the solar collector by a ventilation pipe, and the other end is connected to the air outlet at the bottom of the drying room. It is connected with the solar collector, and the door is installed on the drying room; the drying room of the multi-variable control drying system has a built-in object board, which is fixed in the drying room. The auxiliary fan and the dehumidifier are connected and placed on the top of the drying room, and then connected to the drying room by connecting pipes. The air storage tank is placed on the top of the drying room and controlled by the auxiliary fan; the collector is a solar air collector, which uses solar energy. The air is heated, and the heat is sent to the drying room by the collector circulating fan; the air in the drying room is dehumidified by the ventilation duct fan and then drawn into the solar collector to be heated again and sent to the drying room to form a circulation mode; the drying room is humid After the gas can be dehumidified by the dehumidifier, it enters the drying room again through the auxiliary fan to dry the material; the air storage tank controls the environmental variables of the crops in the drying room through the auxiliary fan. 2. The multi-variable control drying device for solar collectors according to claim 1, wherein the drying chamber is a closed environment during operation, and the material of the drying chamber wall is a material with good thermal conductivity, so that drying The heat in the room is quickly transferred to the drying room. 3 . The multi-variable control drying device for solar collectors according to claim 1 , wherein the corners of the drying room and the drying room are designed as rounded corners, the indoor air temperature is uniform, and there is no dead angle of hot air. 4 . 4 . The multi-variable control drying device for solar collectors as claimed in claim 1 , wherein the storage plate is provided with holes to make the hot air circulate better, and the storage plate is push-pull type, which is convenient for placing and taking out materials. 5 .

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