Energy-saving heat exchange device for recycling waste heat of drying equipment

By combining the spiral air duct and the stirring mechanism, the problem of uneven heating in the existing device is solved, achieving uniform heating of water and filtration of impurities, thus improving heating efficiency and ease of operation.

CN224415809UActive Publication Date: 2026-06-26JIANGSU ZHONGSHEN INTELLIGENT EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU ZHONGSHEN INTELLIGENT EQUIP CO LTD
Filing Date
2025-07-08
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing waste heat recovery and reuse heat exchange energy-saving devices can only move heat on the outside of the water storage tank when heating water, and cannot make uniform contact with the water, resulting in uneven heating and inability to heat water quickly.

Method used

The design employs a combination of spiral air duct, connecting pipe, and stirring mechanism. Heat is transferred through the spiral air duct, and the stirring mechanism is used to evenly stir the water. In addition, the connecting exhaust filtration mechanism filters impurities, thus achieving uniform heat transfer and heating.

Benefits of technology

It achieves uniform heat transfer and rapid water heating, has a simple structure, is easy and quick to operate, and can effectively filter impurities, thus improving heating efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to drying equipment waste heat recovery and reuse heat exchange energy -conserving devices of waste heat recovery and reuse heat exchange technical field, include: water storage bucket, its bottom is equipped with support column and drain pipe, its top is equipped with water adding pipe, spiral air deflector pipe is fixedly established in the surface outside of water storage bucket, first connecting pipe is fixedly established in the input of spiral air deflector pipe, through the mutual cooperation between the spiral air deflector pipe, first connecting pipe, connecting end plate, second connecting pipe, connecting extraction filtering mechanism and stirring mechanism that are equipped, can when extraction filtering mechanism extracts waste heat, heat can be in the inside of spiral air deflector pipe, and stirring mechanism can stir water simultaneously, and heat transfers to water storage bucket through spiral air deflector pipe, can fully and evenly heat treatment to water, and convenient and fast operation.
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Description

Technical Field

[0001] This utility model relates to the field of waste heat recovery and reuse heat exchange technology, and in particular to an energy-saving device for waste heat recovery and reuse heat exchange in drying equipment. Background Technology

[0002] The hot air circulation energy-saving temperature-controlled uniform baking device is a type of equipment that achieves uniform baking of materials through hot air circulation, energy-saving technology, and precise temperature control. A fan circulates heated air within the baking chamber, ensuring heat is evenly transferred to the material surface, accelerating moisture evaporation, and achieving the purpose of drying or baking. Typically, after drying automotive parts during painting, a certain amount of heat remains inside the baking chamber. In some painting workshops, workpieces need to be cleaned, and the wastewater from this cleaning process requires heating for treatment. Utilizing the waste heat from the drying oven's exhaust gas to heat this wastewater can improve energy efficiency.

[0003] Existing waste heat recovery and reuse heat exchange energy-saving devices typically require extracting heat from inside the drying chamber to the outside and utilizing it fully through heat exchange. However, when actually heating water, the heat can only move to the outside of the water storage tank, heating only the water on the outermost side. This results in uneven contact between the heat exchanger and the water, hindering rapid heating. Therefore, we propose a waste heat recovery and reuse heat exchange energy-saving device for drying equipment. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a heat exchange energy-saving device for waste heat recovery and reuse in drying equipment, which can solve the problems existing in the background art.

[0005] The technical solution of this utility model is:

[0006] The waste heat recovery and reuse heat exchange energy-saving device for drying equipment includes:

[0007] A water storage tank with a support column and a drain pipe at the bottom and a water filling pipe at the top;

[0008] A spiral air duct is fixedly installed on the outer surface of the water storage tank;

[0009] The first connecting pipe is fixedly installed at the input end of the spiral air guide pipe;

[0010] The connecting end plate is fixedly located at the end of the first connecting pipe away from the spiral air guide pipe, and is connected and fixed to the drying device by bolts.

[0011] The second connecting pipe is fixedly installed at the output end of the spiral air guide pipe;

[0012] A ventilation and filtration mechanism is connected, which is fixedly installed on the outer surface of the water storage tank, and its input end is fixedly connected to the output pipe of the second connecting pipe.

[0013] The stirring mechanism has its driving component located at the top of the water storage tank, and its working component located inside the water storage tank.

[0014] In a further technical solution, the stirring mechanism includes an output motor, which is fixedly connected to the top of the water storage tank. The output end of the output motor passes through the inside of the top of the water storage tank and extends to the inside of the water storage tank. A rotating mounting rod is fixedly connected to the output end of the output motor, and a connecting stirring arm is fixedly connected to the outer surface of the rotating mounting rod.

[0015] In a further technical solution, the connecting exhaust filter mechanism includes a fixed mounting arm, a fixed connecting pipe is fixedly connected to the inside of the end of the fixed mounting arm, a connecting filter assembly is fixedly connected to the other end of the fixed mounting arm, a connecting discharge pipe is fixedly connected to the side of the connecting filter assembly away from the fixed mounting arm, fixed slots are symmetrically opened on the outer surface of the connecting discharge pipe, and the connecting exhaust assembly is movably engaged with the outer surface of the end of the connecting discharge pipe through the fixed slots.

[0016] In a further technical solution, the connecting filter assembly includes a connecting frame, a fixing groove is provided inside the connecting frame, a sealing gasket is fixedly provided on the top of the connecting frame, a movable mounting frame is movably placed inside the fixing groove, an activated carbon filter block is provided inside the movable mounting frame, a connecting top plate is fixedly connected to the top of the movable mounting frame, and the connecting top plate and the connecting frame are connected and fixed by bolts.

[0017] In a further technical solution, the connecting top plate and the sealing gasket are pressed together and adhered to each other, and a connecting handle is fixedly connected to the top center of the connecting top plate.

[0018] In a further technical solution, the connecting exhaust assembly includes a connecting mounting arm, a servo motor is fixedly connected to the middle of one side of the connecting mounting arm, the output end of the servo motor passes through the interior of the connecting mounting arm and extends to the inner side of the connecting mounting arm, an exhaust fan blade is fixedly connected to the output end of the servo motor, a connecting limiting mechanism is fixedly connected to the end of the connecting mounting arm, the exhaust fan blade is located inside the connecting discharge pipe, and the inner side of the end of the connecting mounting arm is in contact with the outer surface of the fixing slot.

[0019] In a further technical solution, the connecting limiting mechanism includes a connecting mounting sleeve, a movable insert rod is movably connected to the inner side of the connecting mounting sleeve, the bottom end of the movable insert rod passes through the end of the connecting mounting arm and extends to the outside, the outer surface of the bottom end of the movable insert rod is in contact with the inner side of the fixed slot, a force-bearing collar is fixedly sleeved on the outer surface of the movable insert rod, a connecting lifting ring is fixedly connected between the top of the force-bearing collar and the top of the inner side of the connecting mounting sleeve, and a force-bearing spring is fixedly connected to the top of the movable insert rod.

[0020] The beneficial effects of this utility model are:

[0021] 1. Through the cooperation of the spiral air guide pipe, the first connecting pipe, the connecting end plate, the second connecting pipe, the connecting exhaust filter mechanism and the stirring mechanism, the heat can be located inside the spiral air guide pipe when the exhaust filter mechanism extracts waste heat. At the same time, the stirring mechanism can stir the water, and the heat is transferred to the water storage tank through the spiral air guide pipe. The water can be heated fully and evenly, and the operation is convenient and quick.

[0022] 2. With the provided exhaust filtration mechanism, it can stably filter and absorb impurities trapped inside the waste heat and discharge them to the outside. At the same time, it can also quickly disassemble and clean the internal filtration and purification components of the exhaust filtration mechanism, and can disassemble and repair the exhaust components. The structure is simple and the operation is convenient. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to an embodiment of this utility model;

[0024] Figure 2 This is a schematic diagram of the connection exhaust filtration mechanism and connection filtration component structure of the waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to an embodiment of this utility model.

[0025] Figure 3 This is a schematic diagram of the connection exhaust assembly and connection limiting mechanism of the waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to an embodiment of this utility model.

[0026] Figure 4 This is a schematic diagram of the stirring mechanism of the heat exchange energy-saving device for waste heat recovery and reuse in the drying equipment according to an embodiment of this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Water storage tank;

[0029] 2. Spiral air duct;

[0030] 3. First connecting pipe;

[0031] 4. Connecting end plate;

[0032] 5. Second connecting pipe;

[0033] 6. Connect the exhaust filter mechanism; 61. Fix the mounting arm; 62. Fix the connecting pipe; 63. Connect the filter assembly; 64. Connect the exhaust pipe; 65. Fix the slot; 66. Connect the exhaust assembly;

[0034] 631. Connecting frame; 632. Fixing groove; 633. Sealing gasket; 634. Movable mounting frame; 635. Activated carbon filter block; 636. Connecting top plate; 637. Connecting handle;

[0035] 661. Connecting mounting arm; 662. Servo motor; 663. Exhaust fan blades; 664. Connecting limit mechanism;

[0036] 6641. Connecting and installing sleeve; 6642. Movable insert rod; 6643. Force-bearing collar; 6644. Force-bearing spring; 6645. Connecting lifting ring;

[0037] 7. Stirring mechanism; 71. Output motor; 72. Rotating mounting rod; 73. Connecting stirring arm. Detailed Implementation

[0038] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0039] Example:

[0040] like Figures 1-4 As shown, the waste heat recovery and reuse heat exchange energy-saving device for drying equipment includes:

[0041] Water storage tank 1, with a support column and a drain pipe at the bottom and a water filling pipe at the top;

[0042] Spiral air duct 2 is fixedly installed on the outer surface of water storage tank 1;

[0043] The first connecting pipe 3 is fixedly installed at the input end of the spiral air guide pipe 2;

[0044] The connecting end plate 4 is fixedly located at the end of the first connecting pipe 3 away from the spiral air guide pipe 2, and is connected and fixed to the drying device by bolts.

[0045] The second connecting pipe 5 is fixedly installed at the output end of the spiral air guide pipe 2;

[0046] The exhaust filter mechanism 6 is fixedly installed on the outer surface of the water storage tank 1, and its input end is fixedly connected to the output pipe of the second connecting pipe 5.

[0047] The stirring mechanism 7 has its driving component located at the top of the water storage tank 1, and its working component located inside the water storage tank 1.

[0048] The working principle of the above technical solution is as follows:

[0049] During use, the exhaust filtration mechanism 6 generates suction on the second connecting pipe 5, the spiral air guide pipe 2, and the first connecting pipe 3, allowing the residual heat inside the drying device to flow into the first connecting pipe 3, the spiral air guide pipe 2, and the second connecting pipe 5. At the same time, the stirring mechanism 7 can stir the water, and the heat can be transferred to the water storage tank 1 through the spiral air guide pipe 2, thus evenly heating the water inside the water storage tank 1. The exhaust filtration mechanism 6 can filter and purify the air inside the drying device before discharging it to the outside. The overall structure is simple and the operation is convenient and quick.

[0050] In another embodiment, such as Figure 4 As shown, the stirring mechanism 7 includes an output motor 71, which is fixedly connected to the top of the water storage tank 1. The output end of the output motor 71 passes through the inside of the top of the water storage tank 1 and extends to the inside of the water storage tank 1. A rotating mounting rod 72 is fixedly connected to the output end of the output motor 71, and a connecting stirring arm 73 is fixedly connected to the outer surface of the rotating mounting rod 72.

[0051] The output motor 71 can drive the rotating mounting rod 72, which in turn drives the connected stirring arm 73 to rotate, thus stirring the water. This makes the operation convenient.

[0052] In another embodiment, such as Figure 2 As shown, the connecting exhaust filter mechanism 6 includes a fixed mounting arm 61. A fixed connecting pipe 62 is fixedly connected to the inside of the end of the fixed mounting arm 61. A connecting filter assembly 63 is fixedly connected to the other end of the fixed mounting arm 61. A connecting discharge pipe 64 is fixedly connected to the side of the connecting filter assembly 63 away from the fixed mounting arm 61. Fixed slots 65 are symmetrically opened on the outer surface of the connecting discharge pipe 64. A connecting exhaust assembly 66 is movably engaged with the outer surface of the end of the connecting discharge pipe 64 through the fixed slots 65.

[0053] When air is transported through the second connecting pipe 5 to the inside of the fixed connecting pipe 62 and the connecting filter assembly 63, the air can be filtered and purified by the connecting frame 631 and then discharged to the outside through the connecting discharge pipe 64. At the same time, the connecting filter assembly 63 can be disassembled and its internal components can be disassembled and replaced, making the operation convenient and quick.

[0054] In another embodiment, such as Figure 2As shown, the connecting filter assembly 63 includes a connecting frame 631, a fixing groove 632 is provided inside the connecting frame 631, a sealing gasket 633 is fixedly provided on the top of the connecting frame 631, a movable mounting frame 634 is movably placed inside the fixing groove 632, an activated carbon filter block 635 is provided inside the movable mounting frame 634, and a connecting top plate 636 is fixedly connected to the top of the movable mounting frame 634. The connecting top plate 636 and the connecting frame 631 are connected and fixed by bolts.

[0055] The bolts between the connecting frame 631 and the connecting top plate 636 can be rotated and disassembled. Then, the connecting top plate 636 can be lifted to disassemble the movable mounting frame 634 and the activated carbon filter block 635, thereby enabling the activated carbon filter block 635 to be disassembled and replaced. The operation is convenient.

[0056] In another embodiment, such as Figure 2 As shown, the connecting top plate 636 and the sealing gasket 633 are pressed together and adhered to each other, and a connecting handle 637 is fixedly connected to the top center of the connecting top plate 636.

[0057] The top plate 636 and the sealing gasket 633 are easily squeezed together, which can ensure the sealing of the connection with the connecting frame 631. At the same time, when the connecting handle 637 is lifted and moved, the top plate 636, the movable mounting frame 634 and the activated carbon filter block 635 can be moved and disassembled, making the operation convenient.

[0058] In another embodiment, such as Figure 3 As shown, the connecting exhaust assembly 66 includes a connecting mounting arm 661. A servo motor 662 is fixedly connected to the middle of one side of the connecting mounting arm 661. The output end of the servo motor 662 passes through the interior of the connecting mounting arm 661 and extends to the inner side of the connecting mounting arm 661. An exhaust fan blade 663 is fixedly connected to the output end of the servo motor 662. A connecting limiting mechanism 664 is fixedly connected to the end of the connecting mounting arm 661. The exhaust fan blade 663 is located inside the connecting discharge pipe 64. The inner side of the end of the connecting mounting arm 661 is in contact with the outer surface of the fixing slot 65.

[0059] The connection limit mechanism 664 is easy to operate, and the connection mounting arm 661, servo motor 662 and exhaust fan blade 663 can be quickly disassembled for inspection and maintenance. The operation is convenient.

[0060] In another embodiment, such as Figure 3As shown, the connecting limiting mechanism 664 includes a connecting mounting sleeve 6641. A movable insert rod 6642 is movably connected to the inner side of the connecting mounting sleeve 6641. The bottom end of the movable insert rod 6642 passes through the end of the connecting mounting arm 661 and extends to the outside. The outer surface of the bottom end of the movable insert rod 6642 is in contact with the inner side of the fixed slot 65. A force-bearing collar 6643 is fixedly sleeved on the outer surface of the movable insert rod 6642. A connecting lifting ring 6645 is fixedly connected between the top of the force-bearing collar 6643 and the top of the inner side of the connecting mounting sleeve 6641. A force-bearing spring 6644 is fixedly connected to the top of the movable insert rod 6642.

[0061] This facilitates the pulling of the force-bearing spring 6644, which in turn moves the movable insert rod 6642 and the force-bearing collar 6643, compressing the connecting lifting ring 6645. This causes the end of the movable insert rod 6642 to be pulled out from the inside of the fixed slot 65, allowing for quick disassembly and convenient operation.

[0062] The working principle of this utility model is as follows: During use, the servo motor 662 drives the exhaust fan blades 663, causing them to rotate. This rotation generates suction through the connecting discharge pipe 64, connecting frame 631, fixed connecting pipe 62, second connecting pipe 5, spiral air guide pipe 2, and first connecting pipe 3. This causes the hot air inside the drying equipment to move towards the inside of the spiral air guide pipe 2, transferring heat to the water storage tank 1 and heating the water. Simultaneously, the output motor 71 drives the rotating mounting rod 72 and the connecting stirring arm 73, ensuring stable and uniform heating of the water. After the hot air cools, it enters the inside of the connecting frame 631 and is filtered and purified by the activated carbon filter block 635, absorbing and purifying any impurities trapped within. The air can be exhausted to the outside. When the activated carbon filter block 635 needs to be disassembled and replaced, the bolts connecting the top plate 636 and the connecting frame 631 are rotated and disassembled, so that the connecting handle 637 can be quickly pulled up, which drives the top plate 636, the movable mounting frame 634 and the activated carbon filter block 635 to move and detach from the inside of the connecting frame 631, so that the activated carbon filter block 635 can be quickly disassembled and replaced. When the servo motor 662 and the exhaust fan blade 663 need to be disassembled for inspection and maintenance, the force spring 6644 is pulled, which drives the movable plug rod 6642 and the force collar 6643 to move, which compresses the connecting lifting ring 6645, so that the end of the movable plug rod 6642 is pulled out from the inside of the fixed slot 65, thus quickly disassembling. The overall structure is simple and the operation is convenient and quick.

[0063] The above embodiments merely illustrate specific implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A waste heat recovery and reuse heat exchange energy-saving device for drying equipment, characterized in that, include: A water storage tank (1) is provided with a support column and a drain pipe at its bottom and a water filling pipe at its top; Spiral air duct (2) is fixedly installed on the outer surface of the water storage tank (1); The first connecting pipe (3) is fixedly installed at the input end of the spiral air guide pipe (2); The connecting end plate (4) is fixedly located at the end of the first connecting pipe (3) away from the spiral air guide pipe (2), and is connected and fixed to the drying device by bolts. The second connecting pipe (5) is fixedly installed at the output end of the spiral air guide pipe (2); The exhaust filter mechanism (6) is fixedly installed on the outer surface of the water storage tank (1), and its input end is fixedly connected to the output pipe of the second connecting pipe (5). The stirring mechanism (7) has its driving component located at the top of the water storage tank (1) and its working component located inside the water storage tank (1).

2. The waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to claim 1, characterized in that: The stirring mechanism (7) includes an output motor (71), which is fixedly connected to the top of the water storage tank (1). The output end of the output motor (71) passes through the inside of the top of the water storage tank (1) and extends to the inside of the water storage tank (1). A rotating mounting rod (72) is fixedly connected to the output end of the output motor (71), and a connecting stirring arm (73) is fixedly connected to the outer surface of the rotating mounting rod (72).

3. The waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to claim 1, characterized in that: The connecting exhaust filter mechanism (6) includes a fixed mounting arm (61), a fixed connecting pipe (62) is fixedly connected to the inside of the end of the fixed mounting arm (61), a connecting filter assembly (63) is fixedly connected to the other end of the fixed mounting arm (61), a connecting discharge pipe (64) is fixedly connected to the side of the connecting filter assembly (63) away from the fixed mounting arm (61), a fixed slot (65) is symmetrically opened on the outer surface of the connecting discharge pipe (64), and a connecting exhaust assembly (66) is movably engaged with the outer surface of the end of the connecting discharge pipe (64) through the fixed slot (65).

4. The waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to claim 3, characterized in that: The connecting filter assembly (63) includes a connecting frame (631), a fixing groove (632) is provided inside the connecting frame (631), a sealing gasket (633) is fixedly provided on the top of the connecting frame (631), a movable mounting frame (634) is movably placed inside the fixing groove (632), an activated carbon filter block (635) is provided inside the movable mounting frame (634), and a connecting top plate (636) is fixedly connected to the top of the movable mounting frame (634). The connecting top plate (636) and the connecting frame (631) are connected and fixed by bolts.

5. The waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to claim 4, characterized in that: The connecting top plate (636) and the sealing gasket (633) are pressed together and adhered to each other. A connecting handle (637) is fixedly connected to the middle of the top of the connecting top plate (636).

6. The waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to claim 3, characterized in that: The connecting exhaust assembly (66) includes a connecting mounting arm (661). A servo motor (662) is fixedly connected to the middle of one side of the connecting mounting arm (661). The output end of the servo motor (662) passes through the interior of the connecting mounting arm (661) and extends to the inner side of the connecting mounting arm (661). An exhaust fan blade (663) is fixedly connected to the output end of the servo motor (662). A connecting limiting mechanism (664) is fixedly connected to the end of the connecting mounting arm (661). The exhaust fan blade (663) is located inside the connecting discharge pipe (64). The inner side of the end of the connecting mounting arm (661) is in contact with the outer surface of the fixing slot (65).

7. The waste heat recovery and reuse heat exchange energy-saving device for drying equipment according to claim 6, characterized in that: The connecting limiting mechanism (664) includes a connecting mounting sleeve (6641), a movable insert rod (6642) is movably connected to the inner side of the connecting mounting sleeve (6641), the bottom end of the movable insert rod (6642) passes through the end of the connecting mounting arm (661) and extends to the outside, the outer side of the bottom surface of the movable insert rod (6642) is in contact with the inner side of the fixed slot (65), a force-bearing collar (6643) is fixedly sleeved on the outer side of the surface of the movable insert rod (6642), a connecting lifting ring (6645) is fixedly connected between the top of the force-bearing collar (6643) and the top of the inner side of the connecting mounting sleeve (6641), and a force-bearing spring (6644) is fixedly connected to the top of the movable insert rod (6642).