Circulating type hot air dryer for producing microparticle bait

Abstract

The utility model discloses a circulation type hot air dryer for producing microparticle bait, which comprises a hot air tank body, an air return fan, a coupling type microwave drying mechanism and an air inlet fan, and a top cover is mounted at the top end in the hot air tank body through screws. By installing the air inlet fan and the like, when the device is used, the high-temperature ceramic electric heating tube and the temperature sensor in the hot air tank body are started, temperature control heating treatment on gas can be achieved, and then hot air is guided into the corresponding micro-particle bait production machine through the air inlet fan to be dried; waste gas generated after the microparticle bait production machine completes one-time drying treatment can be pumped out by starting an air return fan, and the waste gas is dried and purified through a lower circulating air return pipe, a drying water suction barrel and an upper circulating air return pipe and then guided into the hot air tank body, so that the device can achieve the hot air recycling function and can also achieve the energy-saving and environment-friendly effects. And the dewatering and drying effects can be optimized by utilizing an external drying structure.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-particle bait drying and processing, in particular to a circulating hot air drying machine for micro-particle bait production. Background Art

[0002] Micro-particle bait can be used for raising shrimp, shellfish seedlings and fish seedlings, and can also be used to raise filter-feeding fish. Micro-particle bait is prepared through processes such as drying and compression. Therefore, hot air dryers are often required in the production process of micro-particle bait. However, there are still some defects in the actual operation of such devices.

[0003] Hot air dryers often only achieve drying by continuously introducing hot air into the micro-particle bait production machinery. It cannot achieve the recycling of air. The micro-particle bait production machinery will continuously discharge exhaust gas during the drying process, causing pollution and waste. Moreover, hot air can only dry the outer surface of the product, and the drying effect is not good. It is not easy to integrate the microwave drying structure from the inside out to improve the drying efficiency and is not easy to promote. Utility Model Content

[0004] The purpose of the utility model is to provide a circulating hot air drying machine for producing micro-particle bait, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating hot air dryer for producing micro-particle bait, comprising a hot air tank body, a return air fan, a coupled microwave drying mechanism and an air inlet fan, a top cover is installed on the top of the inner part of the hot air tank body by screws, a high-temperature ceramic electric heating tube and a temperature sensor are evenly installed on the top cover, the return air fan and the air inlet fan are respectively installed at the two ends of the hot air tank body, a lower circulation return air pipe and an upper circulation return air pipe are sequentially arranged at the end of the return air fan away from the hot air tank body, a drying water absorption cylinder is evenly installed between the lower circulation return air pipe and the upper circulation return air pipe, the coupled microwave drying mechanism is installed at one end of the hot air tank body, the coupled microwave drying mechanism comprises a high-voltage transformer, a microwave generator, a reflector and a built-in microwave cavity, the microwave generator is electrically connected to the high-voltage transformer by a wire, a built-in microwave cavity is arranged at the output end of the microwave generator, and a reflector is fixed to the inner side wall of the built-in microwave cavity.

[0006] Preferably, a filter cloth layer is provided at the bottom end of the drying water absorption cylinder, and the interior of the drying water absorption cylinder is filled with soda lime desiccant.

[0007] Preferably, a first flange is provided between the lower circulation air return pipe and the upper circulation air return pipe and the drying water absorption cylinder.

[0008] Preferably, a water collecting box is evenly installed at the bottom of the lower circulation return air pipe, and a threaded assembly pipe fitting threadedly connected to the lower circulation return air pipe is provided on the top of the water collecting box.

[0009] Preferably, the input end of the return air fan and the output end of the inlet air fan are both installed with a connecting corrugated hose, and a second flange is provided between the return air fan and the inlet air fan and the connecting corrugated hose.

[0010] Preferably, the output end of the return air fan is connected to the bottom end of the hot air tank body, and the input end of the inlet air fan is connected to the top end of the hot air tank body.

[0011] Preferably, a fixing seat is uniformly welded to the bottom of the top cover, and a threaded connection is formed between the top of the high-temperature ceramic electric heating tube and the fixing seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The circulating hot air dryer for micro-particle bait production is equipped with a hot air tank and a high-temperature ceramic electric heating tube, etc., so that the device optimizes its own performance. By starting the high-temperature ceramic electric heating tube and the temperature sensor inside the hot air tank, the temperature control and heating treatment of the gas can be realized, and then the hot air is introduced into the corresponding micro-particle bait production machine by using the air intake fan to realize the hot air drying treatment of the product. The return air fan can be started to extract the waste gas of the micro-particle bait production machine after a drying treatment, and make these waste gases pass through the lower circulation return air pipe, the drying water absorption cylinder and the upper circulation return air pipe for drying and purification, and then be introduced into the hot air tank, and then repeat the above hot air drying process after heating treatment. This allows the device to realize the recycling function of hot air and save energy, and can also use the external drying structure to optimize the dehydration and drying effect;

[0014] (2) The circulating hot air drying machine for the production of micro-particle bait is equipped with a high-voltage transformer and a microwave generator, so that when the device is actually operated, the high-voltage transformer and the microwave generator on the coupled microwave drying mechanism are started, and the high-voltage transformer converts the mains electricity into the high voltage required by the microwave generator. The microwave generator then converts the high-frequency electrical energy into microwave radiation, and allows these radiations to enter the resonant cavity through the window in the microwave cavity of the built-in microwave cavity arranged and welded on the inner wall of the micro-particle bait production. The reflector inside the built-in microwave cavity can reflect the microwave back to the cavity, so that the microwave forms a closed environment, where it interacts with the water molecules of the product. The microwave drying component can act on the product at the same time as the hot air drying component, and the coupling of the two drying structures is used to realize double-layer drying protection from the inside to the outside and directly on the outer surface of the product, thereby enabling the device to achieve efficient drying processing and improve work efficiency;

[0015] (3) The circulating hot air dryer for producing micro-particle bait is equipped with a lower circulation return air duct and an upper circulation return air duct, etc., so that the device optimizes its own structure. On the one hand, a first flange is provided between the lower circulation return air duct and the upper circulation return air duct and the drying water suction cylinder, so that the first flange can be used to realize independent disassembly, assembly and maintenance of the drying water suction cylinder. On the other hand, a connecting corrugated hose is installed at the input end of the return air fan and the output end of the inlet air fan, and a second flange is provided between the return air fan and the inlet air fan and the connecting corrugated hose, so that the device can be easily assembled with the micro-particle bait production machine according to installation requirements by adding a connecting corrugated hose of appropriate length to the return air fan and the inlet air fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front view structure of the coupled microwave drying mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the rear view structure of the water collecting box of the utility model in a disassembled state;

[0019] Figure 4 It is a front view structural schematic diagram of the utility model in a disassembled state of the top cover.

[0020] In the figure: 1. hot air tank; 2. water collecting box; 3. drying water absorption cylinder; 4. lower circulation return air pipe; 5. return air fan; 6. first flange; 7. coupled microwave drying mechanism; 71. high voltage transformer; 72. microwave generator; 73. reflector; 74. built-in microwave cavity; 8. upper circulation return air pipe; 9. connecting corrugated hose; 10. top cover; 11. second flange; 12. air inlet fan; 13. threaded assembly pipe fittings; 14. temperature sensor; 15. fixing seat; 16. high temperature ceramic electric heating tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a circulating hot air drying machine for producing micro-particle bait, comprising a hot air tank body 1, a return air fan 5, a coupled microwave drying mechanism 7 and an air inlet fan 12, a top cover 10 is installed on the top of the hot air tank body 1 by screws, and a high-temperature ceramic electric heating tube 16 and a temperature sensor 14 are evenly installed on the top cover 10;

[0023] The bottom of the top cover 10 is evenly welded with a fixing seat 15, and a threaded connection is formed between the top of the high-temperature ceramic electric heating tube 16 and the fixing seat 15, so that it is easy to realize the independent disassembly and maintenance of the high-temperature ceramic electric heating tube 16;

[0024] The return air fan 5 and the inlet air fan 12 are respectively installed at both ends of the hot air tank body 1, and the end of the return air fan 5 away from the hot air tank body 1 is sequentially provided with a lower circulation return air pipe 4 and an upper circulation return air pipe 8, and a drying water absorption cylinder 3 is evenly installed between the lower circulation return air pipe 4 and the upper circulation return air pipe 8;

[0025] A filter cloth layer is arranged at the bottom of the drying water absorption cylinder 3, and the interior of the drying water absorption cylinder 3 is filled with soda lime desiccant, so that it is convenient to absorb water vapor and optimize the drying effect;

[0026] A first flange 6 is provided between the lower circulation return pipe 4 and the upper circulation return pipe 8 and the dry water suction cylinder 3, so that the dry water suction cylinder 3 can be independently disassembled and maintained by using the first flange 6;

[0027] The bottom of the lower circulation return air pipe 4 is evenly installed with a water collecting box 2, and the top of the water collecting box 2 is provided with a threaded assembly pipe 13 threadedly connected to the lower circulation return air pipe 4; so that the water collecting box 2 can be used to collect the water vapor that cannot be completely absorbed by the drying water absorption cylinder 3 to prevent the residual water vapor from entering the micro-particle bait production machine to cause pollution, and the threaded connection between the lower circulation return air pipe 4 and the threaded assembly pipe 13 can be used to realize the disassembly and cleaning of the water collecting box 2;

[0028] The input end of the return air fan 5 and the output end of the inlet air fan 12 are both installed with a connecting corrugated hose 9, and a second flange 11 is provided between the return air fan 5 and the inlet air fan 12 and the connecting corrugated hose 9; it is convenient to install a connecting corrugated hose 9 of a suitable length on the return air fan 5 and the inlet air fan 12 according to the installation requirements to realize flexible assembly with the micro-particle bait production machine;

[0029] The output end of the return air fan 5 is connected to the bottom end of the hot air tank body 1, and the input end of the inlet air fan 12 is connected to the top end of the hot air tank body 1;

[0030] When in use, the high-temperature ceramic electric heating tube 16 and the temperature sensor 14 inside the hot air tank body 1 are started to realize the temperature control and heating treatment of the gas, and then the air inlet fan 12 is used to introduce the hot air into the corresponding micro-particle bait production machinery to realize the hot air drying treatment of the product, and the return air fan 5 is started to extract the waste gas that has completed the drying treatment of the micro-particle bait production machinery, and make these waste gases pass through the lower circulation return air pipe 4, the drying water absorption cylinder 3 and the upper circulation return air pipe 8 for drying and purification, and then be introduced into the hot air tank body 1, and then repeat the above hot air drying process after heating treatment, so that the device can realize the recycling function of hot air and save energy, and can also use the external drying structure to optimize the dehydration and drying effect;

[0031] The coupled microwave drying mechanism 7 is installed at one end of the hot air tank body 1. The coupled microwave drying mechanism 7 includes a high-voltage transformer 71, a microwave generator 72, a reflector 73 and a built-in microwave cavity 74. The microwave generator 72 is electrically connected to the high-voltage transformer 71 through a wire. The output end of the microwave generator 72 is provided with a built-in microwave cavity 74, and a reflector 73 is fixed to the inner side wall of the built-in microwave cavity 74.

[0032] When the embodiment of the present application is used, an external power supply and control device are connected to start the high-temperature ceramic electric heating tube 16 and the temperature sensor 14 inside the hot air tank 1, so as to realize the temperature control and heating treatment of the gas, and then the hot air is introduced into the corresponding micro-particle bait production machine by using the air inlet fan 12 to realize the hot air drying treatment of the product, and the return air fan 5 is started to extract the waste gas of the micro-particle bait production machine after the drying treatment is completed, and the waste gas is dried and purified through the lower circulation return air pipe 4, the drying water suction cylinder 3 and the upper circulation return air pipe 8, and then is The hot air is introduced into the interior of the hot air tank 1, and then the hot air drying process is repeated after heating treatment. This allows the device to realize the recycling function of hot air and save energy, and can also use the external drying structure to optimize the dehydration and drying effect. At the same time, the high-voltage transformer 71 and the microwave generator 72 on the coupled microwave drying mechanism 7 are started. The high-voltage transformer 71 converts the city electricity into the high voltage required by the microwave generator 72, and the microwave generator 72 converts the high-frequency electrical energy into microwave radiation, and allows these radiations to enter the resonance cavity through the window in the microwave cavity of the built-in microwave cavity 74 arranged and welded on the inner wall of the micro-granular bait production, and the reflector 73 inside the built-in microwave cavity 74 can reflect the microwave back to the cavity, so that the microwave forms a closed environment, where it interacts with the water molecules of the product. The microwave drying component can act on the product at the same time as the hot air drying component, and the coupling of the two drying structures is used to realize the double-layer drying protection of the product from the inside out and directly on the outer surface, so that the device realizes efficient drying processing and improves work efficiency. In addition, on the one hand, by using the lower circulating return air pipe 4 and the upper circulating return air pipe 4, the microwave drying component can be used to reduce the water molecules in the product. A first flange 6 is provided between the loop air pipe 8 and the dry water suction cylinder 3, so that the dry water suction cylinder 3 can be independently disassembled and maintained by using the first flange 6. On the other hand, a connecting corrugated hose 9 is installed at the input end of the return air fan 5 and the output end of the inlet air fan 12, and a second flange 11 is provided between the return air fan 5 and the inlet air fan 12 and the connecting corrugated hose 9. This makes it easy to flexibly assemble the device with the micro-particle bait production machine by adding a connecting corrugated hose 9 of appropriate length to the return air fan 5 and the inlet air fan 12 according to installation requirements.

Claims

1. A circulating hot air drying machine for producing micro-particle bait, characterized in that: The invention comprises a hot air tank body (1), a return air fan (5), a coupled microwave drying mechanism (7) and an air inlet fan (12), wherein a top cover (10) is installed at the top of the hot air tank body (1) by means of screws, and a high-temperature ceramic electric heating tube (16) and a temperature sensor (14) are evenly installed on the top cover (10), and the return air fan (5) and the air inlet fan (12) are respectively installed at two ends of the hot air tank body (1), and a lower circulation return air pipe (4) and an upper circulation return air pipe (8) are sequentially arranged at one end of the return air fan (5) away from the hot air tank body (1), and the lower circulation return air pipe ( 4) and an upper circulation return air pipe (8) are evenly installed with drying water absorption cylinders (3), the coupled microwave drying mechanism (7) is installed at one end of the hot air tank body (1), the coupled microwave drying mechanism (7) comprises a high-voltage transformer (71), a microwave generator (72), a reflector (73) and a built-in microwave cavity (74), the microwave generator (72) is electrically connected to the high-voltage transformer (71) via a wire, the output end of the microwave generator (72) is provided with a built-in microwave cavity (74), and the inner side wall of the built-in microwave cavity (74) is fixed with a reflector (73).

2. The circulating hot air drying machine for producing micro-particle bait according to claim 1, characterized in that: A filter cloth layer is provided at the bottom end of the drying water absorption cylinder (3), and the interior of the drying water absorption cylinder (3) is filled with soda lime desiccant.

3. The circulating hot air drying machine for producing micro-particle bait according to claim 1, characterized in that: A first flange (6) is provided between the lower circulation air return pipe (4) and the upper circulation air return pipe (8) and the drying water absorption cylinder (3).

4. The circulating hot air drying machine for producing micro-particle bait according to claim 1, characterized in that: A water collecting box (2) is evenly installed at the bottom of the lower circulation return air pipe (4), and a threaded assembly pipe fitting (13) threadedly connected to the lower circulation return air pipe (4) is provided at the top of the water collecting box (2).

5. The circulating hot air drying machine for producing micro-particle bait according to claim 1, characterized in that: The input end of the return air fan (5) and the output end of the inlet air fan (12) are both installed with a connecting corrugated hose (9), and a second flange (11) is provided between the return air fan (5) and the inlet air fan (12) and the connecting corrugated hose (9).

6. The circulating hot air drying machine for producing micro-particle bait according to claim 1, characterized in that: The output end of the return air fan (5) is connected to the bottom end of the hot air tank body (1), and the input end of the inlet air fan (12) is connected to the top end of the hot air tank body (1).

7. The circulating hot air drying machine for producing micro-particle bait according to claim 1, characterized in that: A fixing seat (15) is uniformly welded to the bottom of the top cover (10), and a threaded connection is formed between the top of the high-temperature ceramic electric heating tube (16) and the fixing seat (15).

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