CN204104804U - A new type of solar oven - Google Patents

Abstract

The utility model provides a novel solar energy baking room, including baking chamber, solar collector, heat pump, heat exchanger and PLC control end, still wrap the indoor temperature detector of installing in baking chamber and install in the outdoor weather detector of baking, indoor temperature detector, weather detector are connected with the PLC control end, baking chamber is equipped with at least one air intake, baking chamber air intake is connected with the heat pump through the heat pump air-out pipe, baking chamber air intake still is connected with solar collector through solar energy air-out pipe; the solar heat collector is connected with the heat exchanger through a solar air inlet pipe, and the heat exchanger is connected with the baking chamber through an air outlet pipe of the baking chamber; the heat exchanger is also connected with a heat pump through a heat pump air inlet pipe; the heat exchanger is provided with an air inlet and a spice extraction port. The utility model discloses a spices such as nicotine, ketone, terpenes and alkane in the heat exchanger separation extraction flue gas also can be used to roast extraction of spices such as tealeaves in-process tea polyphenol, but wide application in a plurality of fields.

Description

A new type of solar oven

technical field

The utility model relates to a baking device, in particular to a novel solar oven.

Background technique

At present, in the baking process of tobacco and tea industry in southern regions, adobe houses and raw coal are used for baking in most areas, and only a few areas use electric baking. The drying room of the traditional flue-cured tobacco and tea baking process is a high-volume building made of adobe with vents inside. The tobacco leaves and tea leaves are placed in the drying room. The temperature is obtained by burning fuel, and the moisture in the tobacco leaves and tea leaves is removed to achieve the goal of drying. dry purpose.

The traditional barn uses high-grade energy to burn to obtain high-temperature heating air to dry tobacco leaves and tea leaves. The fuel price is high, and it will pollute the atmosphere after burning. Tobacco leaves and tea leaves are dried to remove water, and the smoke produced contains a large amount of pollutants, which pollutes the atmosphere and aggravates the greenhouse effect. These methods above are high energy consumption, high pollution, manpower consumption, flue-cured tobacco and tea leaves have a long cycle and the quality of tobacco leaves and tea leaves is not easy to control.

Utility model content

The technical problem to be solved by the utility model is to provide a novel solar barn that is energy-saving, environment-friendly, and labor-saving, which can improve the quality of baked goods, save energy, and reduce environmental pollution.

In order to achieve the above purpose, the technical solution adopted by the utility model is: including a baking room, a solar collector, a heat pump, a heat exchanger and a PLC control terminal, and also including an indoor temperature detector installed in the baking room and installed in the The weather detector outside the baking room, the indoor temperature detector and the weather detector are connected to the PLC control terminal, the baking chamber is provided with at least one air inlet, and the air inlet of the baking chamber passes through the heat pump outlet pipe Connected with the heat pump, the air inlet of the baking chamber is also connected to the solar heat collector through the solar air outlet pipe; the solar heat collector is connected to the heat exchanger through the solar air inlet pipe, and the heat exchanger is The air outlet pipe of the roasting chamber is connected with the roasting chamber; the heat exchanger is also connected with the heat pump through the heat pump air inlet pipe; the heat exchanger is provided with an air inlet and a spice extraction port.

Further, the solar air inlet pipe and the heat pump air inlet pipe intersect with each other, and an air inlet volume control fan is arranged between the intersection position and the heat and humidity separator, and the air inlet volume control machine is connected and controlled by the PLC control terminal, and the solar air inlet pipe and the heat and humidity separator are connected and controlled. A cold air switching valve is installed at the intersection of the heat pump air inlet pipe, and the cold air switching valve is connected and controlled by the PLC control terminal to open or close the solar energy air inlet pipe and the heat pump air inlet pipe.

Further, the solar air outlet pipe and the heat pump air outlet pipe intersect with each other, and a hot air switching valve is installed at the crossing position, and the hot air switching valve is connected and controlled by the PLC control terminal, and is used to open or close the solar air outlet Tube and heat pump outlet duct.

Further, the heat pump is connected and controlled by a PLC control terminal.

Further, the air inlet is arranged above the heat exchanger, and the spice extracting outlet is arranged on the side away from the end of the air outlet pipe of the baking chamber.

The utility model has the following beneficial effects: the utility model has the following beneficial effects: in the baking process of the utility model, the heat exchanger separates and extracts spices such as nicotine, ketones, terpenes and alkanes in the flue gas, and also It can be used for the extraction of tea polyphenols and other spices in the process of roasting tea leaves. Tea polyphenols can strongly scavenge harmful free radicals, block the process of lipid peroxidation, and increase the activity of enzymes in the human body, thus playing the role of anti-mutation and anti-cancer. According to relevant data, tea polyphenols (mainly catechins) in tea are beneficial to the prevention and adjuvant treatment of various cancers such as gastric cancer and intestinal cancer, and are widely used in the fields of medicine and cosmetics. It not only improves the value but also reduces the pollution to the environment, saves energy, and reduces labor costs.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, the novel solar barn in the embodiment of the utility model includes a barn room 11, a solar heat collector 18, a heat pump 6, a heat exchanger 15 and a PLC control terminal 12, and is also wrapped and installed in a barn bar. The indoor temperature detector 13 in the chamber 11 and the weather detector 14 installed outside the baking chamber 11, the indoor temperature detector 13, the weather detector 14 are connected with the PLC control terminal 12, the indoor temperature detector 13, the weather detector 14 The collected data is input to the PLC control terminal 12 and monitored by the PLC. The baking chamber 11 is provided with at least one baking chamber air inlet 8 and a baking chamber air outlet pipe 9, preferably the baking chamber air inlet 8 is arranged at a position near the bottom of the baking chamber 11, and the baking chamber air outlet pipe 9 It is installed near the top of the baking chamber 11. The air inlet 8 of the baking chamber is connected to the heat pump 6 through the heat pump outlet pipe 7. The air inlet 8 of the baking chamber is connected to the solar collector 18 through the solar energy outlet. The air duct 2 and the heat pump outlet duct 7 intersect with each other at a position close to the air inlet 8 of the baking chamber. A hot air switching valve 5 is provided at the intersecting position. The hot air switching valve 5 is connected and controlled by the PLC control terminal. Close the solar air outlet pipe 2 and the heat pump air outlet pipe 7, the solar collector 18 is connected with the heat exchanger 15 through the solar air inlet pipe 1, and an air inlet 16 is provided at the top surface of the heat exchanger 15 for supplementing For fresh air, a spice extraction port 17 is provided at the side of the heat exchanger 15, so as to extract tea polyphenols, nicotine, ketones, terpenes, alkanes and other spices, and the heat exchange 15 passes through the outlet duct 9 of the baking chamber It is connected to the baking chamber 11; the heat exchanger 15 is also connected to the heat pump 6 through the heat pump air inlet pipe 4, and the heat pump 6 is also connected to the PLC control terminal 12, and is controlled by the PLC control terminal 12.

The above-mentioned solar air inlet pipe 1 and heat pump air inlet pipe 4 intersect each other, and an air inlet volume control fan 10 is provided between the intersection position and the heat exchanger 15, and the air inlet volume control machine 10 is connected and controlled by a PLC control terminal 12 A cold wind switching valve 3 is installed at the intersection of the solar air inlet pipe 1 and the heat pump air inlet pipe 4, and the cold air switching valve 3 is connected and controlled by the PLC control terminal 12 to open or close the solar air inlet pipe 1 and the heat pump air inlet pipe 4. Heat pump air intake pipe 4.

The working principle of the present utility model is further described below:

As shown in Figure 1, the solar thermal collector plate 18, the baking chamber 11, the heat exchanger 15 and the heat pump 6 form a closed ring, and the heat collected by the solar thermal collector plate 18 is transmitted to the baking chamber through the solar air outlet pipe 2 11, since the air inlet 8 of the baking chamber is set near the bottom of the baking chamber 11, the heat rises from bottom to top. When the heat reaches the top of the baking chamber 11, the heat passes through the air outlet 9 of the baking chamber. into the heat exchanger 15, after the heat is exchanged through the heat exchanger 15, the exhaust gas enters the separation tank through 17 for separation and extraction, fresh air enters the heat exchanger through the air inlet 16, and the preheated air is controlled by the air intake volume. The fan 10 is transmitted to the solar thermal collector plate 18 or the heat pump 6, and then enters the baking chamber 11 through the solar thermal collector plate 18 or the heat pump 6 for recycling.

The heat exchanger 15 is provided with an air inlet 16 and a spice extraction port 17; the air inlet 16 is located above the heat exchanger 15, and the spice extraction port 17 is located at one end of the air outlet pipe 9 away from the baking chamber on the side. Tea polyphenols, nicotine, ketones, terpenes, alkanes and other spices will be evaporated after being roasted at high temperature, and the spices can be separated from water vapor and air through a heat exchanger. To achieve the purpose of extracting spices.

When the instant weather conditions detected by the weather detector 14 are transmitted to the PLC control terminal 12, the PLC control terminal 12 makes a judgment whether to provide heat to the baking chamber 11 through the solar collector plate 18 or to provide heat to the baking chamber 11 through the heat pump 6. The chamber 11 provides heat. When the heat is provided by the solar collector plate 18, at this time, the PCL control terminal 11 adjusts the hot air conversion valve 5 to close the heat pump outlet pipe 7 and opens the solar air outlet pipe 2. At the same time, adjust the cold air conversion valve 3 to close the heat pump air intake. Pipe 4 opens solar energy air inlet pipe 1. When the heat is provided by the heat pump 6, the PCL control terminal 12 adjusts the hot air conversion valve 5 to close the solar air outlet pipe 2 and opens the heat pump outlet pipe 7, and at the same time adjusts the cold air conversion valve 3 to close the solar air inlet pipe 1 and open the heat pump air inlet pipe 4 , and drive the heat pump 6 to rotate.

When the temperature detected by the indoor temperature detector 13 in the baking chamber 11 is transmitted to the PLC control terminal 12, the PLC control terminal 12 judges the temperature data provided by the indoor temperature detector 13. When the indoor temperature detector 13 The detected temperature is higher or lower than the set temperature value, at this time the PLC control terminal 12 adjusts the air intake control fan 10, if the temperature in the baking chamber 11 is lower than the set temperature value, at this time The PLC control terminal 12 adjusts the air volume and controls the fan 10 to accelerate the rotation so that the temperature in the baking chamber 11 reaches the set temperature value. When the temperature in the baking chamber 11 is higher than the set temperature value, the PLC control terminal 12 Adjust the air volume and control the fan 10 to reduce the rotation speed, so that the temperature in the baking chamber 11 reaches the set temperature value.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (6)

1. a new type solar energy barn, it is characterized in that: comprise baking vessel, solar thermal collector, heat pump, heat exchanger and PLC control end, also wrapped the indoor temperature detector be installed in baking vessel and the weather detector be installed on outside baking vessel, described indoor temperature detector, weather detector are connected with PLC control end, described baking vessel is provided with at least one air inlet, described baking vessel air inlet is connected with heat pump by heat pump discharge pipe, and described baking vessel air inlet is also connected with solar thermal collector by solar energy discharge pipe; Described solar thermal collector is connected with heat exchanger by solar energy blast pipe, and described heat exchanger is connected with baking vessel by baking vessel's discharge pipe; Described heat exchanger is also connected with heat pump by heat pump blast pipe; Described heat exchanger is provided with air inlet and spices extracts mouth.

2. new type solar energy barn according to claim 1, it is characterized in that: described solar energy blast pipe intersects mutually with heat pump blast pipe, be provided with an intake between the position of this intersection and damp and hot separator and control blower fan, described intake controller is by PLC control end connection control.

3. new type solar energy barn according to claim 2, it is characterized in that: described solar energy blast pipe and the crossover location place of heat pump blast pipe are provided with cold wind switching valve, described cold wind switching valve by PLC control end connection control, for opening or close described solar energy blast pipe and heat pump blast pipe.

4. new type solar energy barn according to claim 1, it is characterized in that: described solar energy discharge pipe intersects mutually with heat pump discharge pipe, the position of this intersection is provided with hot blast switching valve, described hot blast switching valve by PLC control end connection control, for opening or close described solar energy discharge pipe and heat pump discharge pipe.

5. new type solar energy barn according to claim 1, is characterized in that: described heat pump is by PLC control end connection control.

6. new type solar energy barn according to claim 1, is characterized in that: the top of heat exchanger is located at by described air inlet, and described spices extracts mouth and is located on the side away from baking vessel's discharge pipe one end.