Waste heat recycling and drying device for bamboo box production and recycling and drying method

Abstract

The invention provides a waste heat recovery drying device for bamboo box production, and relates to the field of bamboo box production, the waste heat recovery drying device comprises a bottom plate, the outer surface of the bottom plate is provided with a supporting assembly, the upper surface of the bottom plate is connected with a drying assembly, the outer surface of the drying assembly is connected with a ventilation assembly, and the upper surface of the bottom plate is connected with a heat exchange box; the outer surface of the heat exchange box communicates with an air inlet pipe, and one end of the air inlet pipe communicates with a heat exchanger. Through cooperative use of the air inlet pipe and the heat exchanger, when heat in the drying assembly flows into the heat exchanger through the air inlet pipe, water is pumped from the water tank through the water pump, the water is conveyed to the heat exchange box through the water inlet pipe to participate in heat exchange and flows back to the water tank through the water drainage pipe after heat exchange is completed, and closed circulation of circulating water is achieved; hot air discharged by the drying assembly exchanges heat with circulating water in the heat exchanger, the circulating water absorbs heat and the temperature rises, the hot water returns to the water tank, the heat carried by the hot water can be reused, the energy utilization rate is increased, and the drying energy consumption is reduced.

Description

Technical Field

[0001] The invention relates to the field of bamboo box production, and in particular to a waste heat recovery and drying device and a recovery and drying method for bamboo box production. Background Art

[0002] A bamboo box is a box or container made of bamboo. Due to its toughness, lightness, and environmental friendliness, bamboo boxes have a long history of use in China and other Asian countries. They are used in many fields, including food packaging, home decoration, handicrafts, and daily necessities.

[0003] Traditional bamboo box drying devices generally have some problems. The energy utilization efficiency of existing devices is low, and a large amount of waste heat generated during the drying process is directly discharged into the environment, resulting in serious waste of energy. This undoubtedly increases production costs in the current increasingly tight energy situation. To this end, we propose a waste heat recovery drying device for bamboo box production to solve the above problems. Summary of the Invention

[0004] The object of the present invention is to provide a waste heat recovery and drying device and a recovery and drying method for bamboo box production, so as to solve the problems raised in the background technology mentioned above and overcome the technical defects thereof.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a waste heat recovery and drying device for bamboo box production, comprising a base plate, a supporting assembly is provided on the outer surface of the base plate, a drying assembly is connected to the upper surface of the base plate, the outer surface of the drying assembly is connected to a ventilation assembly, the upper surface of the base plate is connected to a heat exchange box, the outer surface of the heat exchange box is connected to an air intake pipe, one end of the air intake pipe is connected to a heat exchanger, the top end of the heat exchanger passes through the heat exchange box and extends to the outer surface of the heat exchange box, the upper surface of the base plate is connected to a water tank, the inner bottom wall of the water tank is connected to a water pump, the output end of the water pump is connected to a water inlet pipe, the top end of the water inlet pipe passes through the water tank and is connected to the outer surface of the heat exchange box, the outer surface of the heat exchange box is connected to a drain pipe, the top end of the drain pipe passes through the water tank and extends to the inside of the water tank.

[0006] A waste heat recovery and drying device and recovery and drying method for bamboo box production, comprising:

[0007] Step S1: drying the bamboo box using hot air in a drying oven;

[0008] Step S2: After the bamboo box is dried, air is introduced into the heat exchanger through the air inlet pipe;

[0009] Step S3: driving the water pump to introduce the cold water in the water tank into the heat exchange box through the water inlet pipe and heat it into hot water, and the hot water returns to the water tank through the drain pipe to form circulating water;

[0010] Step S4: The hot air in the heat exchanger exchanges heat with the circulating water in the heat exchange box to realize waste heat utilization.

[0011] As a further solution of the present invention: the support assembly includes a plurality of threaded holes, and an adjusting rod is threadedly connected to the interior of each threaded hole.

[0012] As a further solution of the present invention: the top end of each adjusting rod is connected to a screw block, and the bottom end of each adjusting rod is connected to a base.

[0013] As a further solution of the present invention: the drying component includes a drying box, the inner bottom wall of the drying box is connected to a heating plate, and the outer surface of the drying box is connected to the top end of the air inlet pipe.

[0014] As a further solution of the present invention: the upper surface of the drying box is hinged with a cover plate by a hinge, the outer surface of the cover plate is connected to a pull rod, the bottom surface of the cover plate is connected to two support plates, and the side surfaces of the two support plates close to each other are commonly connected to a heating rod.

[0015] As a further solution of the present invention: the upper surface of the cover is connected to a control box, the outer surface of the control box is provided with a display screen, the outer surface of the control box is connected to a control panel, and the outer surface of the control panel is connected to a plurality of control buttons.

[0016] As a further solution of the present invention: the upper surface of the cover plate is connected to an adjustment box, and the outer surface of the adjustment box is connected to a plurality of adjustment buttons.

[0017] As a further solution of the present invention: the ventilation component includes a blower, which is located on the outer surface of the drying box. The output end of the blower is connected to a ventilation pipe, and the top end of the ventilation pipe passes through the drying box and extends to the interior of the drying box.

[0018] As a further solution of the present invention: it also includes a temperature monitoring unit, which includes a temperature sensor and a PLC programming unit. The temperature sensor is arranged inside the heat exchange box and is used for detecting the temperature of the heat exchange box. The PLC programming unit is electrically connected to the heat exchanger.

[0019] Compared with the prior art, the beneficial effects of the present invention include: through the coordinated use of the air intake pipe and the heat exchanger, when the heat inside the drying component flows into the heat exchanger through the air intake pipe, water is pumped from the water tank through the water pump, and the water intake pipe is sent to the heat exchange box to participate in heat exchange. After the heat exchange is completed, the water flows back to the water tank through the drain pipe, realizing a closed circulation of circulating water. The hot air discharged from the drying component exchanges heat with the circulating water in the heat exchanger, and the circulating water absorbs heat and its temperature rises. The hot water returns to the water tank, and the heat it carries can be reused, thereby improving energy utilization and reducing drying energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The disclosure of the present invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. In the accompanying drawings, the same reference numerals are used to refer to the same components. Among them:

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a waste heat recovery and drying device for bamboo box production according to one embodiment of the present invention is shown;

[0022] Figure 2 A schematic side view of a waste heat recovery and drying device for bamboo box production according to one embodiment of the present invention is shown;

[0023] Figure 3 A schematic side cross-sectional view of a waste heat recovery and drying device for bamboo box production according to one embodiment of the present invention is shown;

[0024] Figure 4 A schematic top-sectional view of a waste heat recovery and drying device for bamboo box production according to one embodiment of the present invention is shown;

[0025] Numbers in the figure: 1. Base plate; 2. Support assembly; 201. Threaded hole; 202. Adjusting rod; 203. Twist block; 204. Base; 3. Drying assembly; 301. Drying box; 302. Heating plate; 303. Cover plate; 304. Pull rod; 305. Support plate; 306. Heating rod; 307. Control box; 308. Display screen; 309. Control panel; 3010. Control button; 3011. Adjusting box; 3012. Adjusting button; 4. Ventilation assembly; 401. Blower; 402. Ventilation pipe; 5. Heat exchange box; 6. Air inlet pipe; 7. Heat exchanger; 8. Water tank; 9. Water pump; 10. Water inlet pipe; 11. Drain pipe. DETAILED DESCRIPTION

[0026] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention and should not be regarded as the entire invention or as a limitation or restriction of the technical solution of the present invention.

[0027] According to one embodiment of the present invention, Figure 1-4 Shown.

[0028] A waste heat recovery and drying device for bamboo box production includes a base plate 1, the outer surface of a drying component 3 is connected to a ventilation component 4, the upper surface of the base plate 1 is connected to a heat exchange box 5, the outer surface of the heat exchange box 5 is connected to an air intake pipe 6, one end of the air intake pipe 6 is connected to a heat exchanger 7, the top end of the heat exchanger 7 passes through the heat exchange box 5 and extends to the outer surface of the heat exchange box 5, the upper surface of the base plate 1 is connected to a water tank 8, the inner bottom wall of the water tank 8 is connected to a water pump 9, the output end of the water pump 9 is connected to a water inlet pipe 10, the top end of the water inlet pipe 10 passes through the water tank 8 and is connected to the outer surface of the heat exchange box 5, the outer surface of the heat exchange box 5 is connected to a drain pipe 11, the top end of the drain pipe 11 passes through the water tank 8 and extends to the inside of the water tank 8.

[0029] A waste heat recovery and drying device and recovery and drying method for bamboo box production, comprising:

[0030] Step S1: drying the bamboo box using hot air in the drying box 301;

[0031] Step S2: After the bamboo box is dried, air is introduced into the heat exchanger 7 through the air inlet pipe 6;

[0032] Step S3: driving the water pump 9 to introduce the cold water in the water tank 8 into the heat exchange box 5 through the water inlet pipe 10 and heat it into hot water, and the hot water returns to the water tank 8 through the drain pipe 11 to form circulating water;

[0033] Step S4: The hot air in the heat exchanger 7 exchanges heat with the circulating water in the heat exchange box 5 to realize waste heat utilization.

[0034] In this embodiment, a support assembly 2 is provided on the outer surface of the bottom plate 1, and the support assembly 2 includes a plurality of threaded holes 201, and an adjusting rod 202 is threadedly connected to the inside of each threaded hole 201, and a screw block 203 is connected to the top of each adjusting rod 202, and a base 204 is connected to the bottom end of each adjusting rod 202. By rotating the screw block 203, the adjusting rod 202 is rotated inside the threaded hole 201, so that the bottom plate 1 can be adjusted, so that the staff can adjust the height of the device according to their own comfort, which increases the flexibility of the device and supports the device to avoid shaking when the device is used, thereby increasing the stability of the device. A drying assembly 3 is connected to the upper surface of the bottom plate 1, and the drying assembly 3 includes a drying box 301, a drying box 3 The inner bottom wall of 01 is connected to a heating plate 302, the outer surface of the drying box 301 is connected to the top of the air inlet pipe 6, the upper surface of the drying box 301 is hinged with a cover plate 303 by a hinge, the outer surface of the cover plate 303 is connected to a pull rod 304, the bottom surface of the cover plate 303 is connected to two support plates 305, and the side of the two support plates 305 close to each other is commonly connected to a heating rod 306. Through the coordinated use of the cover plate 303 and the pull rod 304, the internal parts of the device can be effectively protected to prevent the internal parts from being affected by dust and thus damaged, thereby increasing the service life of the device and reducing the maintenance cost of the device. Through the coordinated use of the heating rod 306 and the heating plate 302, the internal bamboo box can be effectively dried, and the bamboo box can be dried more evenly through the upper and lower designs.

[0035] In this embodiment, the upper surface of the cover 303 is connected to a control box 307, the outer surface of the control box 307 is provided with a display screen 308, the outer surface of the control box 307 is connected to a control panel 309, the outer surface of the control panel 309 is connected to a plurality of control buttons 3010, through the coordinated use of the control box 307, the display screen 308, the control panel 309 and the control buttons 3010, the device can be effectively controlled, making the device more convenient to use, and the internal temperature can be observed in real time to avoid damage to the device caused by excessive internal temperature, thereby increasing the service life of the device, the upper surface of the cover 303 is connected to an adjustment box 3011, the outer surface of the adjustment box 3011 is connected to a plurality of adjustment buttons 3012, through the coordinated use of the adjustment box 3011 and the adjustment buttons 3012, The temperature of the device is effectively adjusted, which increases the convenience of the device. The ventilation component 4 includes a blower 401, which is located on the outer surface of the drying box 301. The output end of the blower 401 is connected to a ventilation pipe 402. The top of the ventilation pipe 402 passes through the drying box 301 and extends to the interior of the drying box 301. Through the coordinated use of the blower 401 and the ventilation pipe 402, an air flow can be generated and transported through a pressure difference to provide the necessary air flow for the drying component 3, thereby ensuring that the bamboo box can be evenly heated and dried. During the drying process, the blower 401 is used in conjunction with a heat source device to provide sufficient cold air to ensure the smooth operation of the device. Specifically, the blower 401 is composed of a motor, an air filter, an air chamber, a chassis (also serving as an oil tank) and an oil drip nozzle, all of which are existing technologies.

[0036] Working principle: After the hot air in the drying box 301 completes the task of drying the bamboo boxes, it enters the heat exchanger 7 through the air inlet pipe 6, and then the water pump 9 in the water tank 8 is started to input the cold water in the water tank 8 into the heat exchange box 5 through the water inlet pipe 10. After absorbing heat, it becomes hot water and then flows back to the water tank 8 through the drain pipe 11 to form circulating water. In the heat exchanger 7, the hot air exchanges heat with the circulating water in the heat exchange box 5, and its own temperature is reduced and then discharged. The heat of the hot air is transferred to the circulating water, and the hot water is stored in the water tank 8. The heat it carries can be reused in the subsequent drying process, thereby realizing waste heat recovery, improving energy utilization and reducing drying costs.

[0037] The technical scope of the present invention is not limited to the contents of the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A waste heat recovery and drying device for bamboo box production, characterized in that: The invention comprises a bottom plate (1), the outer surface of the bottom plate (1) is provided with a support assembly (2), the upper surface of the bottom plate (1) is connected to a drying assembly (3), the outer surface of the drying assembly (3) is connected to a ventilation assembly (4), the upper surface of the bottom plate (1) is connected to a heat exchange box (5), the outer surface of the heat exchange box (5) is connected to an air intake pipe (6), one end of the air intake pipe (6) is connected to a heat exchanger (7), the top end of the heat exchanger (7) passes through the heat exchange box (5) and extends to the upper surface of the heat exchange box (5). To the outer surface of the heat exchange box (5), the upper surface of the bottom plate (1) is connected to a water tank (8), the inner bottom wall of the water tank (8) is connected to a water pump (9), the output end of the water pump (9) is connected to a water inlet pipe (10), the top end of the water inlet pipe (10) passes through the water tank (8) and is connected to the outer surface of the heat exchange box (5), the outer surface of the heat exchange box (5) is connected to a drain pipe (11), the top end of the drain pipe (11) passes through the water tank (8) and extends to the interior of the water tank (8).

2. The waste heat recovery and drying device for bamboo box production according to claim 1 is characterized in that: The support assembly (2) comprises a plurality of threaded holes (201), and an adjusting rod (202) is threadedly connected to the interior of each threaded hole (201).

3. The waste heat recovery and drying device for bamboo box production according to claim 2 is characterized in that: The top end of each adjusting rod (202) is connected to a screw block (203), and the bottom end of each adjusting rod (202) is connected to a base (204).

4. The waste heat recovery and drying device for bamboo box production according to claim 1 is characterized in that: The drying assembly (3) comprises a drying box (301), the inner bottom wall of the drying box (301) is connected to a heating plate (302), and the outer surface of the drying box (301) is in communication with the top end of the air inlet pipe (6).

5. The waste heat recovery and drying device for bamboo box production according to claim 4 is characterized in that: The upper surface of the drying box (301) is hinged with a cover plate (303) through a hinge, the outer surface of the cover plate (303) is connected to a pull rod (304), the bottom surface of the cover plate (303) is connected to two support plates (305), and the side surfaces of the two support plates (305) close to each other are commonly connected to a heating rod (306).

6. The waste heat recovery and drying device for bamboo box production according to claim 5, characterized in that: The upper surface of the cover plate (303) is connected to a control box (307), the outer surface of the control box (307) is provided with a display screen (308), the outer surface of the control box (307) is connected to a control panel (309), and the outer surface of the control panel (309) is connected to a plurality of control buttons (3010).

7. The waste heat recovery and drying device for bamboo box production according to claim 5, characterized in that: The upper surface of the cover plate (303) is connected to an adjustment box (3011), and the outer surface of the adjustment box (3011) is connected to a plurality of adjustment buttons (3012).

8. The waste heat recovery and drying device for bamboo box production according to claim 7, characterized in that: The ventilation assembly (4) comprises a blower (401), the blower (401) is located on the outer surface of the drying box (301), the output end of the blower (401) is connected to a ventilation pipe (402), the top end of the ventilation pipe (402) passes through the drying box (301) and extends to the interior of the drying box (301).

9. The waste heat recovery and drying device for bamboo box production according to claim 8, characterized in that: It also includes a temperature monitoring unit, which includes a temperature sensor and a PLC programming unit. The temperature sensor is arranged inside the heat exchange box (5) and is used for detecting the temperature of the heat exchange box (5). The PLC programming unit is electrically connected to the heat exchanger (7).

10. A waste heat recovery and drying device and recovery and drying method for bamboo box production according to claim 9, characterized in that: include Step S1: drying the bamboo box using hot air in the drying box (301); Step S2: After the bamboo box is dried, air is introduced into the heat exchanger (7) through the air inlet pipe (6); Step S3: driving the water pump (9) to introduce the cold water in the water tank (8) into the heat exchange box (5) through the water inlet pipe (10) and heat-exchange it into hot water, which then returns to the water tank (8) through the drain pipe (11) and forms circulating water; Step S4: The hot air in the heat exchanger (7) exchanges heat with the circulating water in the heat exchange box (5) to realize waste heat utilization.

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