TWM552092U - Energy-saving device of freeze dryer - Google Patents

Description

Freeze dryer energy saving device

The utility model relates to an energy-saving device for a freeze-drying machine, in particular to an energy-saving device for saving water that needs to be warmed by an electric heater to freeze and dry, and to save water energy that needs to cool the refrigerant.

According to the general food and vegetable, meat fish feed, Chinese medicine, royal jelly, instant food and other foods, as well as enzymes, microorganisms, medicines, etc., due to the existence of preservation problems, the industry usually uses freeze-drying methods to increase the shelf life. By freeze-drying, it can retain the intact nutrients, shape, size, color and structure, and it can be quickly and completely recovered after adding water. It is very convenient to use, and can be stored for a long time under normal temperature without freezing any preservatives. Processed foods are lightweight, easy to carry and transport, and have low shipping costs. Freeze dryer When water is in a high vacuum environment, below the triple point (about 0 ° C, 4.58 Torr), water can only exist in solid and gas state at any temperature, so we use this property to first sample Freezing, the sample is warmed under high vacuum, at which time the moisture in the sample is directly sublimed into a gas and frozen on the condenser to achieve the purpose of drying.

The structure of the conventional freeze dryer is as shown in Fig. 1, which comprises a drying chamber 1 connected to a circulating oil pump 2 and an electric heater 3, and the circulating oil pump 2 and an electric heater The compressor 3 is coupled to the first plate heat exchanger 4, and the compressor 5 is coupled to a water-cooled cooler 6, and the water-cooled cooler 6 is coupled to the first electromagnetic valve 7 and the second electromagnetic valve 8, and The first solenoid valve 7 and the second solenoid valve 8 are coupled to the condensation chamber 9 and the first heat exchanger 4, respectively. When used, the drying chamber 1 is used for placing fruits and vegetables, meat fish feed, traditional Chinese medicine, royal jelly, instant food, and other samples of enzymes, microorganisms, medicines, etc., by taking vacuum and appropriate heating action to make the ice in the sample in vacuum Under the environment, it becomes water vapor, and the water vapor naturally flows to the lower temperature condensation chamber 9, and condenses into ice on the condensation chamber 9 to reduce water vapor. The freeze-drying action is as follows: 1. When the drying chamber 1 is warmed up ( The oil is warmed up, the electric heater 3 is turned on, and the first electromagnetic valve 7 is opened while the second electromagnetic valve 8 is closed. 2. When the drying chamber 1 is in a cooling state (oil cooling), the second electromagnetic valve 8 is opened, and the first electromagnetic valve 7 is closed, so that the high-pressure high-temperature gaseous refrigerant generated by the compressor 5 is converted to a high-pressure normal temperature via the water-cooled cooler 6. The gaseous refrigerant can be used to cool the oil by the first plate heat exchanger 4. 3. When the condensation chamber 9 is actuated, the first electromagnetic valve 7 is opened, and the second electromagnetic valve 8 is closed, so that the high-pressure high-temperature gaseous refrigerant generated by the compressor 5 can be converted into a high-pressure normal temperature gaseous refrigerant via the water-cooled cooler 6. Flows through the condensation chamber 9.

In the conventional freeze dryer, since the heating chamber 3 is heated up, it is necessary to turn on the electric heater 3 for a long time, so that a certain amount of electric power is consumed, and when the condensation chamber 9 is operated, it is converted into a high pressure by the water-cooled cooler 6. Normal temperature gaseous refrigerant, so it needs to consume a certain amount of water. For modern societies that are increasingly concerned about environmental protection and energy conservation, it seems that they do not meet the needs of environmental protection. In view of this, the applicant has continuously researched and experimented, and Meng Yinsheng designed an energy-saving device for the freeze dryer to make the freeze dryer achieve energy saving.

The main purpose of the present invention is to provide an energy-saving device for a freeze dryer, which can save the water that needs to be warmed by the electric heater to freeze the oil when the freeze dryer is operated, and can also save the water that needs to cool the refrigerant. Energy to achieve environmental protection.

The energy-saving device of the freeze dryer described above is disposed between the drying chamber of the freeze dryer and the water-cooled cooler and the compressor, and is provided with one of the flow dividing members and a second plate heat exchanger. When the drying chamber needs to be heated, the diverter is opened, and the heat energy of the high-pressure high-temperature gaseous cold coal generated by the compressor is exchanged to the circulating oil by the second plate heat exchanger to provide the hot temperature of the drying chamber, and is circulated When the temperature of the oil is insufficient, the electric heater is turned on, thereby saving the electric power of the original freeze dryer which needs to be heated by the electric heater, and also saving the water energy which needs to cool the refrigerant by the water-cooled cooler.

In the above-mentioned energy-saving device of the freeze dryer, the flow dividing member connected between the water-cooled cooler and the compressor and a second plate heat exchanger is a solenoid valve.

Please also refer to Fig. 2 and Fig. 3, together with Fig. 4 and Fig. 5, which are perspective views and block diagrams of the three-dimensional view and the shunt. As shown in the figure, the present invention comprises a drying chamber 1 coupled to a circulating oil pump 2, which is connected to a first plate heat exchanger 4 by the circulating oil pump 2, and is first The plate heat exchanger 4 is coupled to an electric heater 3; a compressor 5 is coupled to a water-cooled cooler 6, and the water-cooled cooler 6 is coupled to the first electromagnetic valve 7 and the second electromagnetic valve 8, and The first solenoid valve 7 and the second solenoid valve 8 are coupled to the condensation chamber 9 and the first plate heat exchanger 4, respectively. Between the drying chamber 1 and the electric heater 3 and the water-cooled cooler 6 and the compressor 5, one of the flow dividing members 10 and a second plate heat exchanger 11 are connected to each other. In the embodiment, the flow dividing member is provided. The 10 series is a solenoid valve which is disposed at a position below the middle of the entire machine.

The energy saving device of the freeze dryer is constructed by the combination of the foregoing members. When the drying chamber 1 needs to be heated, the diverter 10 is opened, and the heat energy of the high-pressure high-temperature gaseous cold coal generated by the compressor 5 is exchanged to the circulating oil by the second plate heat exchanger 11, and the heat of the drying chamber 1 is provided. When the temperature of the circulating oil is insufficient, the electric heater 3 is turned on, thereby saving the electric power of the original freeze dryer which needs to be warmed by the electric heater 3, and when the condensation chamber 9 is cooled, The opening of the flow dividing member 10 causes a part of the high-pressure high-temperature gaseous refrigerant to be sent to the second plate heat exchanger 11 through the flow dividing member 10, and flows through the condensation chamber 9 to form a cooling effect, thereby saving the need for the water-cooled cooler 6 to cool the refrigerant. Water energy. The control action of the present invention is operated by a computer program, and when the drying chamber 1 needs to be warmed up, the computer program is turned on.

Please refer to Fig. 6 for the heating action diagram of the dry chamber. As shown in the figure, the heating chamber 1 of the present invention is subjected to the following processes: 1. When the drying chamber 1 needs to be heated (the circulating oil is warmed up), the computer program starts to operate, and the first solenoid valve 7 is controlled by a computer program. And opening of the diverter 10 while closing the second solenoid valve 8. 2. The high-pressure high-temperature gaseous refrigerant generated by the compressor 5 is transmitted to the second plate heat exchanger 11 through the flow dividing member 10. 3. The second plate heat exchanger 11 exchanges the heat energy of the high pressure and high temperature gaseous cold coal to the circulating oil to provide the temperature rise of the drying chamber 1. 4. If the temperature of the circulating oil is insufficient during the above operation, it is necessary to turn on the electric heater 3 to increase the temperature.

Through the foregoing operation flow, the temperature required for the temperature rise of the drying chamber 1 is transmitted from the flow dividing member 10 to the second plate heat exchanger 11 for exchange to the circulating oil, and the conventional freeze dryer is required to be heated when the drying chamber 1 is heated. The circulating oil is warmed by the electric heater 3, and the high-pressure high-temperature gaseous refrigerant generated by the compressor 5 is transmitted to the second plate heat exchanger 11 through the flow dividing member 10, and is exchanged for the circulating oil, thereby saving the original need to borrow. The electric energy that is heated by the circulating oil by the electric heater 3 achieves energy saving and environmental protection requirements.

Please refer to Figure 7 for the cooling action diagram of the drying chamber. As shown in the figure, when the drying chamber 1 needs to be cooled (circulating oil cooling), the following action flow is as follows: 1. When the drying chamber 1 needs to be cooled (circulating oil cooling), the computer program opens the second solenoid valve 8 while The first solenoid valve 7 and the flow dividing member 10 are closed. 2. The high-pressure high-temperature gaseous refrigerant generated by the compressor 5 is converted into a high-pressure normal temperature gaseous refrigerant through the water-cooled cooler 6. 3. Since the first solenoid valve 7 and the flow dividing member 10 are closed, the normal temperature gaseous refrigerant is sent to the first plate heat exchanger 4 via the second electromagnetic valve 8. 4. The circulating oil is cooled by the first plate heat exchanger 4.

According to the foregoing operation flow, when the drying chamber 1 needs to be cooled, the normal temperature gaseous refrigerant is sent to the first plate heat exchanger 4 by the electromagnetic valve 8, thereby cooling the circulating oil, and improving the conventional freezing and drying machine in the drying chamber 1 When cooling down, it is necessary to rely solely on the water-cooled cooler 6 to cool the refrigerant, and it is necessary to use a large amount of water to save energy and meet environmental protection requirements.

Please refer to Figure 8 for the cooling operation diagram of the new condensation chamber. As shown in the figure, when the condensation chamber is condensing, the following is the following action flow: When the condensation chamber 9 needs to be cooled, the computer program opens the first electromagnetic valve 7 and the flow dividing member 10, and closes the second electromagnetic valve 8, The high pressure normal temperature gaseous refrigerant can pass through the first electromagnetic valve 7 to flow through the condensation chamber 9 to form a cooling effect, and at the same time, due to the opening of the flow dividing member 10, part of the high pressure and high temperature gaseous refrigerant is sent to the second plate heat exchanger 11 through the flow dividing member 10. The cooling effect is also formed by the solenoid valve 7 flowing through the condensing chamber 9. In this way, water energy that originally needs to be cooled by a water-cooled cooler can be saved, thereby achieving energy conservation and environmental protection requirements.

The foregoing embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention.

In summary, the present invention constitutes an energy-saving device for a freeze dryer by a flow dividing member coupled to the compressor and a plate heat exchanger connected to the drying chamber and connected in series to the flow dividing member. When the freeze dryer is operated, the electric power for warming the oil by the electric heater can be saved, and the water energy that needs to cool the refrigerant can be saved, thereby achieving the purpose of environmental protection. For a practical design, it is a novelty creation. If you apply for a patent in accordance with the law, you will be punished by the Bureau of Public Information, and you will be granted a patent as soon as possible.

1‧‧‧dry chamber

2‧‧‧Circulating oil pump

3‧‧‧Electrical heater

4‧‧‧First plate heat exchanger

5‧‧‧Compressor

6‧‧‧Water-cooled cooler

7‧‧‧First solenoid valve

8‧‧‧Second solenoid valve

9‧‧‧Condensation chamber

10‧‧‧Diverter

11‧‧‧Second plate heat exchanger

Figure 1 is a block diagram of a conventional freeze dryer. Fig. 2 and Fig. 3 are perspective views of the present invention. Figure 4 is a perspective view of the shunt of the present invention. Figure 5 is a block diagram of the present invention. Figure 6 is a diagram of the heating action of the drying chamber of the present invention. Figure 7 is a cooling diagram of the drying chamber of the present invention. Figure 8 is a cooling operation diagram of the condensation chamber of the present invention.

1‧‧‧dry chamber

2‧‧‧Circulating oil pump

3‧‧‧Electrical heater

4‧‧‧First plate heat exchanger

5‧‧‧Compressor

6‧‧‧Water-cooled cooler

7‧‧‧First solenoid valve

8‧‧‧Second solenoid valve

9‧‧‧Condensation chamber

10‧‧‧Diverter

11‧‧‧Second plate heat exchanger

Claims (6)

An energy-saving device for a freeze dryer, a drying chamber coupled to a circulating oil pump, the circulating oil pump being coupled to a first plate heat exchanger and coupled to the first plate heat exchanger An electric heater is coupled to a water-cooled cooler, the water-cooled cooler is coupled to the first solenoid valve and the second solenoid valve, and the first solenoid valve and the second solenoid valve are respectively coupled to the condensation chamber And the first plate heat exchanger is used for placing fruits and vegetables, meat fish feed, traditional Chinese medicine, royal jelly, instant food, and the like, enzymes, microorganisms, medicines and the like in the drying chamber, by taking vacuum and appropriate heating action The ice in the sample is turned into water vapor in a vacuum environment, and the water vapor naturally flows to the lower temperature condensation chamber, and condenses into ice on the condensation chamber to reduce water vapor, which is characterized in that: the drying chamber and the electric heater are cooled with water. Between the cooler and the compressor, one of the flow dividing members and a second plate heat exchanger are connected to each other, and when the drying chamber needs to be heated, the diverter is opened, and the second plate is opened. The heat exchanger exchanges the heat energy of the high-pressure high-temperature gaseous cold coal produced by the compressor to the circulating oil to provide the hot temperature of the drying chamber, thereby saving the electric power of the original freeze dryer that needs to be heated by the electric heater. When the condensation chamber is cooled, the high-pressure high-temperature gaseous refrigerant is sent to the second plate heat exchanger through the diverter through the opening of the diverter, and the cooling effect is formed through the condensation chamber, thereby saving the water-cooled cooler. The water energy required for cooling the refrigerant to achieve energy saving. The energy-saving device of the freeze-drying machine according to the first aspect of the invention, wherein the flow dividing device disposed between the drying chamber and the electric heater and the water-cooled cooler and the compressor is a solenoid valve. The energy-saving device of the freeze-drying machine according to claim 1, wherein when the drying chamber needs to be heated, the first electromagnetic valve and the flow dividing member are respectively turned on, so that the high-pressure high-temperature gaseous refrigerant generated by the compressor is shunted. The piece is transferred to the second plate heat exchanger. The energy-saving device of the freeze dryer according to claim 1, wherein when the drying chamber needs to be cooled, the second electromagnetic valve is opened, and the first electromagnetic valve and the flow dividing member are closed, so that the high pressure and high temperature generated by the compressor are generated. The gaseous refrigerant is converted into a high-pressure normal temperature gaseous refrigerant through a water-cooled cooler, and the normal-temperature gaseous refrigerant is sent to the first plate heat exchanger via the second electromagnetic valve, and the circulating oil is cooled by the first plate heat exchanger. The energy-saving device of the freeze-drying machine according to claim 1, wherein when the condensation chamber needs to be cooled, the first electromagnetic valve and the flow dividing member are respectively opened, and the second electromagnetic valve is closed, so that the high-pressure normal temperature gaseous refrigerant can be obtained. The first electromagnetic valve flows through the condensation chamber to form a cooling effect, and at the same time, due to the opening of the flow dividing member, part of the high-pressure high-temperature gaseous refrigerant is sent to the second plate heat exchanger through the diverter, and then flows through the condensation chamber through the electromagnetic valve to form a cooling effect. To save water energy that would otherwise require cooling of the refrigerant by a water-cooled cooler. The energy-saving device of the freeze dryer according to claim 1, wherein when the temperature of the circulating oil is insufficient, the electric heater can be turned on to increase the temperature of the circulating oil.