Dryer tail gas dehumidification and recovery device
By installing a dehumidification and recovery device in the dryer, and utilizing a heat pump and intermittent dehumidification mechanism, the problem of unrecovered heat energy in the exhaust gas is solved, achieving exhaust gas dehumidification and heat energy recovery, and improving the resource utilization rate of the dryer.
Patent Information
- Application Number
- CN202423308413.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
A large amount of heat energy in the exhaust gas of existing dryers is not recovered, resulting in resource waste and reducing the practicality of the dryers.
A dehumidification and recovery device for dryer exhaust gas was designed, including a heat pump, an air duct, a drying chamber, a dehumidification and recovery mechanism, and an intermittent dehumidification mechanism. The heat pump generates hot air for drying, and the exhaust gas is dehumidified by a low-temperature finned evaporator before entering the heat pump for reheating. The intermittent dehumidification mechanism and vibration mechanism are used to improve the dehumidification effect and avoid heat loss.
It achieves dehumidification of exhaust gas and recovery of heat energy, reduces resource waste, and improves the practicality and efficiency of the dryer.
Smart Images

Figure CN223691484U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dryer technical field, concretely is a kind of dryer tail gas dehumidification and recycling device. BACKGROUND
[0002] Dryer can be divided into industrial and civilian two, industrial dryer is also called drying equipment or dryer, and civilian dryer is a kind of washing machine, and dryer generally passes through the heat pump to generate hot air, and the hot air is transmitted in the dryer box to dry the goods.
[0003] And the existing dryer, after drying goods, there is still a large amount of heat energy in the tail gas discharged by the dryer, and the existing dryer often does not have the function of recycling the heat energy in the tail gas, thereby causing the waste of resources and reducing the practicability of the dryer. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of dryer tail gas dehumidification and recycling device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of dryer tail gas dehumidification and recycling device, including heat pump machine, air supply pipe and drying box, the side of heat pump machine is fixedly communicated with drying box by air supply pipe, the side of drying box is provided with dehumidification and recycling mechanism;
[0007] The dehumidification and recycling mechanism includes the tail gas pipe fixedly communicated with the side of drying box, one end of the tail gas pipe is fixedly communicated with the recovery tank, the bottom of the recovery tank is fixedly communicated with the dehumidification pipe, one side of the recovery tank is fixedly communicated with the fresh air pipe, one end of the fresh air pipe is fixedly communicated with the air inlet of heat pump machine, one side of the recovery tank is fixedly installed with low-temperature fin evaporator, the top of the recovery tank is fixedly connected with intermittent dehumidification mechanism.
[0008] Preferably, the intermittent dehumidification mechanism includes the motor fixedly installed on the top of drying box, the output end of the motor is fixedly connected with lead screw, the surface of the lead screw is drivingly connected with transmission block, the bottom of the transmission block is fixedly connected with traction rod, the bottom of the traction rod penetrates to the inside of dehumidification pipe, and is fixedly connected with piston plate, the top of the recovery tank is provided with communication hole matched with traction rod, and the top of the drying box is provided with vibration mechanism.
[0009] Preferably, the vibrating mechanism comprises two vibrating blocks fixedly connected to the top of the drying box, the two vibrating blocks are provided with linkage blocks away from each other, the linkage blocks are fixedly connected with knocking rods and linkage rods close to the vibrating blocks, one end of the linkage rod penetrates one side of the vibrating block and is fixedly connected with a pressing block, the two sides of the traction rod are fixedly connected with a plurality of pressing rods matched with the pressing block, one side of the pressing block is fixedly connected with a spring, and one end of the spring is fixedly connected with one side of the vibrating block.
[0010] Preferably, the top and bottom of the pressing block are in the shape of a slope, and one end of the pressing rod is in the shape of a ball.
[0011] Preferably, the drying box is fixedly connected with a controller on one side, the controller is electrically connected with the motor, and the inner wall of the moisture removal pipe is fixedly provided with a water level sensor.
[0012] Preferably, the inner wall of the tail gas pipe is fixedly provided with a dustproof net.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、The utility model discloses a drying box with heat energy recycling function, which comprises a drying box body, a heat pump, a moisture removal and recovery mechanism, a moisture removal pipe, a tail gas pipe, a new air pipe and a controller.
[0015] 2、The utility model discloses an intermittent moisture removal machine, which can transmit a signal to the controller when the water level sensor senses that the condensed water reaches a certain amount, and the PLC module in the controller can start the motor to drive the lead screw to rotate.
[0016] 3、The utility model discloses a traction rod reciprocating up and down at the same time, drive extrusion rod spherical part and extrusion block slope part contact, under the influence of extrusion, extrusion block will drive linkage link, linkage block and knock stick move to the side away from extrusion rod, compress spring at the same time, when extrusion rod does not contact with extrusion block, the spring force of spring drives extrusion block, linkage link, linkage block and knock stick reset suddenly, knock on the vibration block and produce vibration force transmission in recovery box, avoid condensate water adsorption in recovery box inner wall, further improve the effect of dehumidification. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the main body structure schematic diagram of the utility model;
[0018] Figure 2 It is the schematic diagram of the utility model cutaway;
[0019] Figure 3 It is the utility model Figure 2 It is the local enlarged view of A place in the utility model;
[0020] Figure 4 It is the perspective view of recovery box of the utility model;
[0021] Figure 5 It is the perspective view of the utility model intermittent dehumidifier;
[0022] Figure 6 It is the perspective view of the utility model vibration mechanism.
[0023] In the drawing: 1, heat pump machine;2, air supply pipe;3, drying box;4, tail gas pipe;5, recovery box;6, dehumidification pipe;7, fresh air pipe;8, low-temperature fin evaporator;9, motor;10, screw;11, transmission block;12, traction rod;13, piston plate;14, communication hole;15, vibration block;16, linkage block;17, knock stick;18, linkage link;19, extrusion block;20, extrusion rod;21, spring;22, sealing ring;23, controller;24, water level sensor;25, dust screen. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0025] Please refer to Figures 1-6 The utility model provides a technical scheme:
[0026] Embodiment one:
[0027] The dryer exhaust dehumidification and recovery device, including heat pump machine 1, air supply pipe 2 and drying box 3, one side of heat pump machine 1 is fixedly communicated with drying box 3 through air supply pipe 2, and one side of drying box 3 is provided with a dehumidification and recovery mechanism;
[0028] The dehumidification and recovery mechanism includes an exhaust pipe 4 fixedly communicated with one side of the drying box 3, one end of the exhaust pipe 4 is fixedly communicated with a recovery box 5, the bottom of the recovery box 5 is fixedly communicated with a dehumidification pipe 6, one side of the recovery box 5 is fixedly communicated with a fresh air pipe 7, one end of the fresh air pipe 7 is fixedly communicated with the air inlet of the heat pump machine 1, one side of the recovery box 5 is fixedly installed with a low-temperature fin evaporator 8, and the top of the recovery box 5 is fixedly connected with an intermittent dehumidification mechanism.
[0029] In this embodiment, it is considered that after the dryer dries the articles, a large amount of heat energy still exists in the exhaust gas discharged by the dryer, and the existing dryer often does not have the function of recovering the heat energy in the exhaust gas, thereby causing waste of resources, therefore, by arranging the dehumidification and recovery mechanism, hot air can be generated by the heat pump machine 1, the hot air enters the inside of the drying box 3 through the air supply pipe 2 to dry the articles, then the exhaust gas enters the exhaust pipe 4, and the dust is isolated by the dust screen 25, when the exhaust gas passes through the low-temperature fin evaporator 8, the water vapor in the exhaust gas condenses on the surface of the fins to achieve the effect of exhaust gas dehumidification, and the dehumidified and dust-removed exhaust gas enters the heat pump through the fresh air pipe 7, is heated to the required temperature, and then enters the drying box 3, thereby achieving the effect of heat energy recovery.
[0030] The inner wall of the exhaust pipe 4 is fixedly installed with a dust screen 25.
[0031] In this embodiment, the dust in the exhaust gas can be removed by arranging the dust screen 25, thereby achieving the effect of dust removal.
[0032] Embodiment two:
[0033] On the basis of embodiment one, it is considered in this embodiment that when the exhaust gas passes through the low-temperature fin evaporator 8, the water vapor will condense into water and needs to be discharged in time, the intermittent dehumidification mechanism in this application includes a motor 9 fixedly installed on the top of the drying box 3, the output end of the motor 9 is fixedly connected with a lead screw 10, the surface of the lead screw 10 is transmissionally connected with a transmission block 11, the bottom of the transmission block 11 is fixedly connected with a traction rod 12, the bottom of the traction rod 12 penetrates into the inside of the dehumidification pipe 6, and is fixedly connected with a piston plate 13, the top of the recovery box 5 is provided with a communication hole 14 matched with the traction rod 12, and the top of the drying box 3 is provided with a vibration mechanism.
[0034] In this embodiment, considering that the exhaust gas passes through the low-temperature fin evaporator 8, the water vapor will condense into water and needs to be discharged in time, therefore, by arranging the intermittent dehumidifier, when the water level sensor 24 senses that the condensed water reaches a certain amount, the signal is transmitted to the controller 23, and the PLC module built in the controller 23 starts the motor 9 to drive the lead screw 10 to rotate, in the process of rotating the lead screw 10, the transmission block 11 is driven to move up and down reciprocatingly, and the piston plate 13 moves up and down reciprocatingly, referring to Figure 2 、 Figure 3 and Figure 5 , the piston plate 13 moves downward first, and leaves the inside of the dehumidifying pipe 6, at this time, the condensed water is discharged through the dehumidifying pipe 6, when the piston plate 13 moves upward to enter the inside of the dehumidifying pipe 6, the dehumidifying pipe 6 is closed, and the intermittent dehumidifying effect is achieved, and the heat energy loss is reduced as much as possible while dehumidifying.
[0035] The inner wall of the communication hole 14 is fixedly connected with the sealing ring 22, and the inner wall of the sealing ring 22 is in contact with the surface of the traction rod 12.
[0036] In this embodiment, by arranging the sealing ring 22, the sealing performance of the communication hole 14 can be improved, and the hot gas is prevented from leaking from the communication hole 14.
[0037] One side of the drying box 3 is fixedly connected with the controller 23, the controller 23 is electrically connected with the motor 9, and the inner wall of the dehumidifying pipe 6 is fixedly installed with the water level sensor 24.
[0038] In this embodiment, by arranging the controller 23 and the water level sensor 24, when the water level sensor 24 senses that the condensed water reaches a certain amount, the signal is transmitted to the controller 23, and the PLC module built in the controller 23 starts the motor 9 to open the piston plate 13 to dehumidify, and the intelligent dehumidifying effect is achieved.
[0039] Embodiment three:
[0040] The vibration mechanism includes two vibration blocks 15 fixedly connected to the top of the drying box 3, the side away from each other of the two vibration blocks 15 is provided with a linkage block 16, the side close to the vibration block 15 of the linkage block 16 is fixedly connected with a knocking rod 17 and a linkage rod 18, one end of the linkage rod 18 penetrates to one side of the vibration block 15, and is fixedly connected with a pressing block 19, the two sides of the traction rod 12 are fixedly connected with a plurality of pressing rods 20 used in cooperation with the pressing block 19, one side of the pressing block 19 is fixedly connected with a spring 21, and one end of the spring 21 is fixedly connected with one side of the vibration block 15.
[0041] In this embodiment, by arranging the vibration mechanism, the traction rod 12 can move up and down reciprocatingly, at the same time, the spherical part of the pressing rod 20 is in contact with the inclined part of the pressing block 19, referring to Figure 4 、 Figure 5 andFigure 6 , under the influence of extrusion, the extrusion block 19 will drive the linkage rod 18, the linkage block 16 and the knocking rod 17 to move away from the side of the extrusion rod 20, and at the same time compress the spring 21, when the extrusion rod 20 is not in contact with the extrusion block 19, the elastic force generated by the spring 21 drives the extrusion block 19, the linkage rod 18, the linkage block 16 and the knocking rod 17 to reset suddenly, and the knocking on the vibration block 15 generates a vibration force which is transmitted to the recovery box 5, avoiding the condensate water from being adsorbed on the inner wall of the recovery box 5, and further improving the effect of moisture removal.
[0042] The top and bottom of the extrusion block 19 are both in a slope shape, and one end of the extrusion rod 20 is in a spherical shape.
[0043] In this embodiment, by setting the extrusion block 19 and the extrusion rod 20, the traction rod 12 can move up and down reciprocatingly, and at the same time, the spherical part of the extrusion rod 20 is in contact with the slope part of the extrusion block 19, under the influence of extrusion, the extrusion block 19 will drive the linkage rod 18, the linkage block 16 and the knocking rod 17 to move away from the side of the extrusion rod 20, playing a transmission role.
[0044] Working principle: hot air is generated by the heat pump machine 1, the hot air will enter the inside of the drying box 3 through the air supply pipe 2 to dry the articles, and then the tail gas enters the tail gas pipe 4, and the dust will be isolated by the dust screen 25, when the tail gas passes through the low-temperature fin evaporator 8, the water vapor in the tail gas condenses and separates out on the surface of the fin to achieve the effect of tail gas dehumidification, and the dehumidified and dust-removed tail gas enters the inside of the heat pump through the fresh air pipe 7, is heated to the required temperature, and then enters the drying box 3, achieving the role of heat energy recovery;
[0045] When the water level sensor 24 senses that the condensate water reaches a certain amount, the signal is transmitted to the controller 23, and the PLC module built-in the controller 23 will start the motor 9 to drive the lead screw 10 to rotate, in the process of rotation of the lead screw 10, the transmission block 11 will be driven to make the transmission block 11, the traction rod 12 and the piston plate 13 move up and down reciprocatingly, referring to Figure 2 、 Figure 3 and Figure 5 , the piston plate 13 will first move downward to leave the inside of the dehumidification pipe 6, at this time the condensate water will be discharged through the dehumidification pipe 6, when the piston plate 13 moves upward to enter the inside of the dehumidification pipe 6, the dehumidification pipe 6 will be closed, achieving the role of intermittent dehumidification, while dehumidifying, it is possible to reduce the heat energy loss as much as possible;
[0046] In the process of reciprocating movement of the traction rod 12, the spherical part of the extrusion rod 20 is in contact with the slope part of the extrusion block 19, referring to Figure 4 、 Figure 5 and Figure 6 Figure 2 Figure 3 Figure 5 Figure 4 Figure 5 Figure 6When the extrusion rod 20 is not in contact with the extrusion block 19, the elastic force generated by the spring 21 drives the extrusion block 19, the linkage rod 18, the linkage block 16 and the knocking rod 17 to reset suddenly, and the knocking on the vibration block 15 generates a vibration force which is transmitted to the recovery tank 5, so that the condensed water is prevented from being adsorbed on the inner wall of the recovery tank 5, and the effect of moisture removal is further improved.
[0047] It should be noted that the low-temperature fin evaporator 8, the controller 23, the water level sensor 24 and the motor 9 are devices or equipment existing in the prior art or devices or equipment that can be realized in the prior art, and the power supply specific composition and principle of the low-temperature fin evaporator 8, the controller 23, the water level sensor 24 and the motor 9 are clear to those skilled in the art, and therefore will not be described in detail.
[0048] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A dryer exhaust dehumidification and recovery device, comprising a heat pump machine (1), an air supply pipe (2) and a drying box (3), one side of the heat pump machine (1) is fixedly communicated with the drying box (3) through the air supply pipe (2), characterized in that: One side of the drying box (3) is provided with a dehumidification recovery mechanism; The dehumidification recovery mechanism comprises a tail gas pipe (4) fixedly communicated with one side of the drying box (3), one end of the tail gas pipe (4) is fixedly communicated with a recovery box (5), the bottom of the recovery box (5) is fixedly communicated with a dehumidification pipe (6), one side of the recovery box (5) is fixedly communicated with a fresh air pipe (7), one end of the fresh air pipe (7) is fixedly communicated with the air inlet of the heat pump machine (1), one side of the recovery box (5) is fixedly installed with a low-temperature fin evaporator (8), and the top of the recovery box (5) is fixedly connected with an intermittent dehumidification mechanism. The intermittent dehumidification mechanism comprises a motor (9) fixedly installed on the top of the drying box (3), the output end of the motor (9) is fixedly connected with a lead screw (10), the surface of the lead screw (10) is drivingly connected with a transmission block (11), the bottom of the transmission block (11) is fixedly connected with a traction rod (12), the bottom of the traction rod (12) penetrates into the inside of the dehumidification pipe (6), and is fixedly connected with a piston plate (13), the top of the recovery box (5) is provided with a communication hole (14) matched with the traction rod (12), and the top of the drying box (3) is provided with a vibration mechanism.
2. The dryer exhaust dehumidification and recovery apparatus according to claim 1, wherein: The vibration mechanism comprises two vibration blocks (15) fixedly connected to the top of the drying box (3), the side away from each other of the two vibration blocks (15) is provided with a linkage block (16), the side close to the vibration block (15) of the linkage block (16) is fixedly connected with a knocking rod (17) and a linkage rod (18), one end of the linkage rod (18) penetrates to one side of the vibration block (15), and is fixedly connected with a pressing block (19), the two sides of the traction rod (12) are fixedly connected with a plurality of pressing rods (20) matched with the pressing block (19), one side of the pressing block (19) is fixedly connected with a spring (21), and one end of the spring (21) is fixedly connected with one side of the vibration block (15).
3. The dryer exhaust dehumidifying and recycling device according to claim 2, characterized in that: The top and bottom of the pressing block (19) are inclined, and one end of the pressing rod (20) is spherical.
4. The dryer exhaust dehumidifying and recycling device according to claim 1, characterized in that: The inner wall of the communication hole (14) is fixedly connected with a sealing ring (22), and the inner wall of the sealing ring (22) is in contact with the surface of the traction rod (12).
5. The dryer exhaust dehumidifying and recycling device according to claim 1, characterized in that: One side of the drying box (3) is fixedly connected with a controller (23), the controller (23) is electrically connected with the motor (9), and the inner wall of the dehumidification pipe (6) is fixedly installed with a water level sensor (24).
6. The dryer exhaust dehumidifying and recycling device according to claim 1, characterized in that: The inner wall of the tail gas pipe (4) is fixedly installed with a dust screen (25).