A heat pump circulating heating device for aquaculture

Abstract

This utility model discloses a heat pump circulating heating device for aquaculture, comprising: a heat exchange cylinder; and a heat exchange section, the heat exchange section being placed inside the heat exchange cylinder. The heat exchange section includes an internal support tube fixed inside the heat exchange cylinder. A spiral blade is installed between the outer side of the internal support tube and the inside of the heat exchange cylinder. The spiral blade, the internal support tube, and the heat exchange cylinder form a spiral heat exchange groove. The beneficial effects of this utility model are: by installing the spiral blade between the outer side of the internal support tube and the inside of the heat exchange cylinder to form a spiral heat exchange groove, high-temperature Freon can spirally move along the heat exchange groove inside the heat exchange cylinder, increasing the contact time between the high-temperature Freon and the heat exchange tube; multiple partition plates are fixedly and alternately in the middle of the spiral blade, which supports the heat exchange tube to ensure its stability while dividing the heat exchange groove into an S-shaped structure, further increasing the direct contact time between the heat exchange tube and the Freon, and improving the heat exchange effect.

Description

Technical Field

[0001] This utility model relates to the field of heat pump technology, specifically a heat pump circulating heating device for aquaculture. Background Technology

[0002] A heat pump is a device that utilizes thermal energy from the external environment (such as air, water, or geothermal energy) and transfers this heat to a space that needs heating or cooling through mechanical means. Its working principle is similar to that of a refrigerator, but a heat pump can achieve the dual functions of heating and cooling. In aquaculture, heat pumps are needed to provide heating and hot water to the breeding facilities. Currently, most heat pumps use plate heat exchangers to heat the circulating water, lacking a secondary heating function to help maintain the output water temperature. Due to the large area of ​​aquaculture farms, if the water temperature output by the heat pump system cannot reach the set temperature uniformly in the designated areas, it will lead to large temperature differences between different areas. Many animals, especially aquatic animals and poultry with high temperature control requirements, have a very narrow optimal temperature range for growth and reproduction. If the system's output water temperature does not reach the predetermined temperature or cannot stably provide the required temperature, it will lead to an unsuitable breeding environment, which will affect the animals' growth rate, immunity, and even increase mortality. Utility Model Content

[0003] The purpose of this invention is to provide a heat pump circulating heating device for aquaculture to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a heat pump circulating heating device for aquaculture, comprising:

[0005] Heat exchanger;

[0006] A heat exchange section is located inside the heat exchange cylinder. The heat exchange section includes an internal support tube fixed inside the heat exchange cylinder. A spiral blade is installed between the outer side of the internal support tube and the inside of the heat exchange cylinder. The spiral blade, the internal support tube, and the heat exchange cylinder form a spiral heat exchange groove. A heat exchange tube is installed inside the heat exchange groove along the spiral direction of the heat exchange groove. The heat exchange tube has an internal thread.

[0007] The heating element is located inside the internal support tube. The heating element includes a secondary heating tube fixed inside the internal support tube. The secondary heating tube is connected to the water outlet end of the heat exchange tube and has an electric heating wire wound around its outer side.

[0008] Preferably, the heat exchange cylinder has a liquid Freon inlet and a liquid Freon outlet at both ends on one side, with the liquid Freon inlet located above the liquid Freon outlet.

[0009] Preferably, one end of the heat exchange tube extends from the inside of the heat exchange cylinder and is fixedly connected to an outlet, a temperature sensor is fixedly connected inside the outlet, and one end of the heat exchange tube extends from the inside of the heat exchange cylinder and is fixedly connected to an inlet.

[0010] Preferably, the top of the outlet is connected to the secondary heating pipe via a circulating water pipe, the bottom of the secondary heating pipe is connected to the outlet via a connecting water pipe, and a valve is fixedly connected to the middle of the circulating water pipe and the middle of the connecting water pipe.

[0011] Preferably, the secondary heating tube has a spiral blade fixed inside to separate the secondary heating tube into a spiral water path.

[0012] Preferably, the middle part of the spiral blade has multiple partition plates that are staggered vertically, which are used to support the heat exchange tube and divide the heat exchange tank into an S-shaped structure.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: By installing a spiral blade between the outer side of the internal support tube and the inside of the heat exchange cylinder, a spiral heat exchange groove is formed, allowing the high-temperature Freon to spirally travel along the heat exchange groove inside the heat exchange cylinder, increasing the contact time between the high-temperature Freon and the heat exchange tube, thereby improving the heat exchange efficiency; multiple partition plates are fixedly and alternately in the middle of the spiral blade, which, while supporting the heat exchange tube and ensuring its stability, divides the heat exchange groove into an S-shaped structure, further increasing the direct contact time between the heat exchange tube and the Freon, improving efficiency. The heat exchange efficiency is improved; the heat exchange tube is made of copper and has internal threads, which increases the flow resistance of water in the heat exchange tube and prolongs the residence time of water in the heat exchange tube, which is conducive to fully absorbing the heat transferred by Freon and improving the heating efficiency of water; a heating section is set up, and a secondary heating tube is fixed inside the internal support tube. When the water temperature flowing out of the heat exchange tube is lower than the preset value, the water enters the secondary heating tube under the switching of the solenoid valve and is heated again by the heating wire wrapped around the outside of the secondary heating tube, ensuring that the water can be heated to the specified temperature before being discharged, thus ensuring the heating effect. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the water inlet structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the secondary heating tube of this utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the spiral blade of this utility model;

[0018] Figure 5 This is a schematic diagram of the position and structure of the heat exchange tube of this utility model.

[0019] In the diagram: 1. Heat exchange cylinder; 2. Liquid Freon inlet; 3. Liquid Freon outlet; 4. Water outlet; 5. Connecting water pipe; 6. Circulating water pipe; 7. Spiral blade one; 8. Heat exchange tube; 9. Heat exchange tank; 10. Divider plate; 11. Valve; 12. Secondary heating tube; 13. Spiral blade two; 14. Heating wire; 15. Water inlet; 16. Internal support tube; 17. Temperature sensor. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 , 2 As shown in Figures 3, 4, and 5, this utility model provides a technical solution: a heat pump circulating heating device for aquaculture, comprising: a heat exchange cylinder 1; a heat exchange section placed inside the heat exchange cylinder 1, the heat exchange section including an internal support tube 16 fixed inside the heat exchange cylinder 1, a spiral blade 7 installed between the outer side of the internal support tube 16 and the inside of the heat exchange cylinder 1, the spiral blade 7, the internal support tube 16 and the heat exchange cylinder 1 forming a spiral structure heat exchange groove 9, which can increase the contact time between high-temperature Freon and heat exchange tube 8, the heat exchange tube 8 is installed inside the heat exchange groove 9 along the spiral direction of the heat exchange groove 9, the heat exchange tube 8 is a copper tube, and the heat exchange tube 8 has an internal thread; a heating section placed inside the internal support tube 16, the heating section including a secondary heating tube 12 fixed inside the internal support tube 16, the secondary heating tube 12 being connected to the water outlet end of the heat exchange tube 8 and having an electric heating wire 14 wound around its outer side.

[0022] It should be noted that in this embodiment, each electrical appliance is connected to the control system of the heat pump. The liquid fluorine delivery pipeline of the heat pump is connected to the liquid fluorine inlet 2 and the liquid fluorine outlet 3, so that the high-temperature liquid fluorine enters the heat exchange cylinder 1 and spirals along the heat exchange groove 9 inside the heat exchange cylinder 1. During the movement, the high-temperature fluorine exchanges heat with the water in the heat exchange tube 8, thereby heating the water in the heat exchange tube 8. When the outflow temperature is lower than the preset value, the water enters the secondary heating tube 12 under the switching of the solenoid valve and is heated a second time by the heating wire 14, thereby heating the water to the specified temperature before it is discharged.

[0023] In one embodiment, liquid Freon inlet 2 and liquid Freon outlet 3 are provided at both ends on one side of heat exchange cylinder 1, and liquid Freon inlet 2 is located above liquid Freon outlet 3.

[0024] It should be noted that in this embodiment, the liquid fluorine delivery pipeline of the heat pump is connected to the liquid fluorine inlet 2 and the liquid fluorine outlet 3, so as to transport the high-temperature liquid fluorine from the liquid fluorine inlet 2 to the inside of the heat exchange cylinder 1. Under the movement of the spiral heat exchange tank 9, it flows back to the closed system along the liquid fluorine outlet 3.

[0025] In one embodiment, one end of the heat exchange tube 8 extends from the inside of the heat exchange cylinder 1 and is fixedly connected to an outlet 4. A temperature sensor 17 is fixedly connected inside the outlet 4. One end of the heat exchange tube 8 extends from the inside of the heat exchange cylinder 1 and is fixedly connected to an inlet 15. The inlet 15 and the outlet 4 are connected to circulating water to distribute hot water into the breeding farm for heating. The top of the outlet 4 is connected to the secondary heating tube 12 through the circulating water pipe 6. The bottom of the secondary heating tube 12 is connected to the outlet 4 through the connecting water pipe 5. A valve 11 is fixedly connected to the middle of the circulating water pipe 6 and the middle of the connecting water pipe 5. The valve 11 is a solenoid valve. A spiral blade 13 is fixedly connected inside the secondary heating tube 12 to divide the secondary heating tube 12 into a spiral water path. The valve 11 on the outside of the outlet 4 is located between the connecting water pipe 5 and the circulating water pipe 6, and the temperature sensor 17 is located between the valve 11 and the circulating water pipe 6.

[0026] It should be noted that in this embodiment, when hot water enters the outlet 4, the probe of the temperature sensor 17 is inserted into the outlet 4 to detect the water temperature. When the water temperature is normal, the valve 11 in the middle of the circulating water pipe 6 and the connecting water pipe 5 is closed. When the water temperature is too low, the valve 11 in the middle of the outlet 4 is closed, and the water enters the secondary heating pipe 12 through the circulating water pipe 6. In the secondary heating pipe 12, the water spirals along the spiral blades 13. The heating wire 14 heats the secondary heating pipe 12, and the heat can be transferred to the heat exchange tank 9 through the internal support pipe 16. After heating, the water flows out again through the connecting water pipe 5 into the outlet 4.

[0027] In one embodiment, a plurality of partition plates 10 are fixedly connected to the middle of the spiral blade 7 in an alternating manner, which are used to support the heat exchange tube 8 and divide the heat exchange tank 9 into an S-shaped structure.

[0028] It should be noted that in this embodiment, the partition plate 10 can support the heat exchange tube 8, ensure the stability of the heat exchange tube 8, and prevent it from generating noise. The partition plate 10 is fixedly attached to the outside of the spiral blade 7 in an alternating manner, so as to divide the heat exchange groove 9, thereby dividing the spiral structure of the heat exchange groove 9 into an S-shaped structure, which can increase the direct contact time between the heat exchange tube 8 and Freon.

[0029] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] Furthermore, the terms “first,” “second,” “third,” and “fourth” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as “first,” “second,” “third,” or “fourth” may explicitly or implicitly include at least one of those features.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heat pump circulation heating device for aquaculture, characterized by: include: Heat exchanger (1); The heat exchange section is located inside the heat exchange cylinder (1). The heat exchange section includes an internal support tube (16) fixed inside the heat exchange cylinder (1). A spiral blade (7) is installed between the outer side of the internal support tube (16) and the inside of the heat exchange cylinder (1). The spiral blade (7), the internal support tube (16), and the heat exchange cylinder (1) form a spiral heat exchange groove (9). A heat exchange tube (8) is installed inside the heat exchange groove (9) along the spiral direction of the heat exchange groove (9). The heat exchange tube (8) has an internal thread inside. The heating part is located inside the internal support tube (16). The heating part includes a secondary heating tube (12) fixed inside the internal support tube (16). The secondary heating tube (12) is connected to the water outlet end of the heat exchange tube (8) and has an electric heating wire (14) wrapped around its outside.

2. The heat pump circulation heating device for aquaculture according to claim 1, characterized in that: The heat exchange cylinder (1) has a liquid Freon inlet (2) and a liquid Freon outlet (3) at both ends on one side, and the liquid Freon inlet (2) is located above the liquid Freon outlet (3).

3. The heat pump circulating heating device for aquaculture according to claim 1, characterized in that: One end of the heat exchange tube (8) extends out of the heat exchange cylinder (1) and is fixedly connected to an outlet (4). A temperature sensor (17) is fixedly connected inside the outlet (4). One end of the heat exchange tube (8) extends out of the heat exchange cylinder (1) and is fixedly connected to an inlet (15).

4. The heat pump circulating heating device for aquaculture according to claim 3, characterized in that: The top of the outlet (4) is connected to the secondary heating pipe (12) via a circulating water pipe (6), and the bottom of the secondary heating pipe (12) is connected to the outlet (4) via a connecting water pipe (5). A valve (11) is fixedly connected to the middle of the circulating water pipe (6) and the middle of the connecting water pipe (5).

5. The heat pump circulating heating device for aquaculture according to claim 4, characterized in that: The secondary heating tube (12) is internally fixed with a spiral blade (13) for separating the secondary heating tube (12) into a spiral water path.

6. The heat pump circulating heating device for aquaculture according to claim 1, characterized in that: The spiral blade (7) has multiple partition plates (10) fixedly connected to the middle of it in an alternating manner. These plates are used to support the heat exchange tube (8) and divide the heat exchange tank (9) into an S-shaped structure.

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