A multi-stage drying device for solid waste resource utilization

Abstract

The utility model relates to waste recycling technology field especially relates to a multistage drying device for solid waste resource utilization, including fixed frame, sealing cover and drying mechanism, the fixed frame is rectangular frame body structure, and the upper portion of fixed frame is provided with drying mechanism, drying mechanism includes first conveying table, second conveying table, first receiving support, second receiving support and first heating tube, and first conveying table sets up in fixed frame, and the both sides of first conveying table are provided with first receiving support and first heating tube and form first drying group, the both sides of second conveying table are provided with second receiving support and second heating tube and form second drying group, the upper portion of fixed frame is provided with transfer table, and is provided with third conveying belt on transfer table, and transfer table sets up between first conveying table and second conveying table, the utility model can realize automatic drying operation, and the hot air current that produces can be recycled, improves drying efficiency.

Description

Technical Field

[0001] This utility model relates to the field of waste recycling and treatment technology, and in particular to a multi-stage drying device for the resource utilization of solid waste. Background Technology

[0002] In today's trend of resource recycling, the resource-based treatment of metal scrap is receiving increasing attention. In the metal scrap processing flow, crushing and washing are crucial preliminary steps. Crushing breaks the metal scrap into suitable particle sizes for subsequent processing; washing removes oil, impurities, and other contaminants from the surface, improving its purity. However, a large amount of water often remains on the surface of the washed metal scrap. If this residual water is not removed promptly, it can cause many serious problems. During subsequent storage and transportation, the moisture will continue to be in contact with the metal surface, accelerating the oxidation reaction and leading to rust. This not only reduces the quality of the metal but may also alter its physical and chemical properties. In subsequent production processes, rusted metal scrap can damage processing equipment. During smelting, rust can cause furnace wall corrosion, shortening the furnace's lifespan. Traditional drying methods typically involve natural air drying, which is low-cost but extremely slow and highly susceptible to changes in ambient humidity and temperature. To address this, a drying device was designed that enables automated drying operations and allows for the reuse of the generated hot airflow, thereby improving drying efficiency. Utility Model Content

[0003] To address the technical problems existing in the background art, this utility model provides a multi-stage drying device for solid waste resource utilization, which can realize automated drying operation, and the generated hot airflow can be reused to improve drying efficiency.

[0004] The technical implementation scheme of this utility model is as follows:

[0005] A multi-stage drying device for solid waste resource recovery includes a fixed frame, a sealing cover, and a drying mechanism. The fixed frame has a rectangular frame structure, and the drying mechanism is located on the upper part of the fixed frame. The drying mechanism includes a first conveyor platform, a second conveyor platform, a first receiving bracket, a second receiving bracket, and a first heating tube. The first conveyor platform is located on the fixed frame, and the first receiving bracket and the first heating tube are located on both sides of the first conveyor platform to form a first drying group. The second conveyor platform is located on both sides to form a second drying group. A transfer platform is located on the upper part of the fixed frame, and a third conveyor belt is located on the transfer platform. The transfer platform is located between the first conveyor platform and the second conveyor platform.

[0006] Optionally, the first conveyor platform and the second conveyor platform are respectively provided with a first conveyor belt and a second conveyor belt.

[0007] Optionally, the transfer platform is tilted and mounted on the connecting plate of the fixed frame.

[0008] Optionally, it also includes a return air drying mechanism, which includes a first air guide hood, an air outlet, a first air guide pipe, a second air guide hood, a third air guide hood, and a second air guide pipe. The first air guide hood is located on the upper part of the sealing cover, and the air outlet of the first air guide hood is connected to the second air guide hood through a guide fan and the first air guide pipe. The second air guide hood is located below the feed section of the fixed frame.

[0009] Optionally, the third air guide hood is located below the fixed frame and is correspondingly arranged with the first conveyor table. The air outlet at the bottom of the third air guide hood is connected to the air inlet hood through the second air guide pipe. The air inlet hood is connected to the air guide box inside the second conveyor table, and the upper part of the air guide box is provided with several air guide openings.

[0010] Optionally, the first and second conveyor platforms are transmission mesh belts.

[0011] Optionally, the upper part of the fixed frame is provided with a receiving bracket, and the receiving bracket is provided with a feeding hopper.

[0012] This utility model has the following advantages:

[0013] 1. In this utility model, a drying mechanism is provided on the upper part of the fixed frame. The first conveyor and the second conveyor are both used to transport metal fragments. The upper part of the conveyor is equipped with a heating tube, which can dry the metal fragments on the conveyor belt. The water stains on the surface of the fragments are dried by heat radiation. After the first drying is completed, the fragments are flipped over by the transfer table and then the second drying operation is carried out to improve the drying efficiency.

[0014] 2. This utility model designs a return air drying mechanism, which can guide the hot airflow generated during the drying of the heating tube into the front end of the fixed frame to dry the metal fragments that have just entered, thereby achieving preheating and improving the drying effect of the subsequent two stages. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is the front view of the present invention.

[0017] Figure 3 This is a schematic diagram of the drying mechanism of this utility model.

[0018] Figure 4 This is a schematic diagram of the exploded structure of this utility model.

[0019] Figure 5 This is a structural schematic diagram of the air guide box part of this utility model.

[0020] The meanings of the reference numerals in the figure are as follows: 1-fixed frame, 2-sealing cover, 3-receiving bracket, 4-feeding hopper, 6-drying mechanism, 601-first receiving bracket, 602-first conveyor table, 603-first heating tube, 604-second receiving bracket, 605-second heating tube, 606-second conveyor table, 7-transfer table, 8-third conveyor belt, 9-connecting plate, 10-return air drying mechanism, 1001-first air guide hood, 1002-air outlet, 1003-first air guide pipe, 1005-second air guide hood, 1006-third air guide hood, 1007-second air guide pipe, 1008-air inlet hood, 1009-air guide chamber, 1010-air guide box, 1011-air guide opening. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0022] like Figures 1-5 As shown, a multi-stage drying device for solid waste resource utilization includes a fixed frame 1, a sealing cover 2, and a drying mechanism 6. The fixed frame 1 has a rectangular frame structure, and the drying mechanism 6 is arranged on the upper part of the fixed frame 1. The drying mechanism 6 includes a first conveying platform 602, a second conveying platform 606, a first receiving bracket 601, a second receiving bracket 604, and a first heating tube 603. The first conveying platform 602 is arranged on the fixed frame 1, and the first receiving bracket 601 and the first heating tube 603 are arranged on both sides of the first conveying platform 602 to form a first drying group. The second receiving bracket 604 and the second heating tube 605 are arranged on both sides of the second conveying platform 606 to form a second drying group. A transfer platform 7 is arranged on the upper part of the fixed frame 1, and a third conveyor belt 8 is arranged on the transfer platform 7. The transfer platform 7 is arranged between the first conveying platform 602 and the second conveying platform 606. The first conveying platform 602 and the second conveying platform 606 are respectively arranged with a first conveyor belt and a second conveyor belt. The transfer platform 7 is inclinedly arranged on the connecting plate 9 of the fixed frame 1.

[0023] It should be noted that two drying groups are set on the upper part of the fixed frame 1. The first conveyor 602 belongs to the first drying group. It can perform heat radiation drying on the metal fragments during transportation through the first heating tube 603 on the upper part of the first receiving bracket 601. Then, the metal fragments after the first drying operation are transported through the transfer platform 7. The transfer platform 7 adopts an inclined design, so the metal fragments falling from the discharge end will be flipped, thereby achieving a partial flipping effect. Then, they are transported through the second conveyor 606. During this process, a second heat radiation drying operation is carried out through the second heating tube 605, thereby improving the drying efficiency.

[0024] It should be further explained that the transfer table 7 is set at an angle on the connecting plate 9 of the fixed frame 1. Its main function is to transfer the metal fragments that have undergone the first drying process. During the transfer process, the metal fragments can be automatically flipped by the falling action caused by the tilt of the transfer table, thereby creating favorable conditions for subsequent processing or treatment processes.

[0025] like Figures 1-5 As shown, it also includes a return air drying mechanism 10, which includes a first air guide hood 1001, an air outlet 1002, a first air guide pipe 1003, a second air guide hood 1005, a third air guide hood 1006, and a second air guide pipe 1007. The first air guide hood 1001 is located on the upper part of the sealing cover 2, and the air outlet 1002 of the first air guide hood 1001 is connected to the second air guide hood 1005 through a guide fan and the first air guide pipe 1003. The second air guide hood 1005 is located below the feeding part of the fixed frame 1.

[0026] It should be noted that during the drying process, both the first heating tube 603 and the second heating tube 605 will generate heat radiation, resulting in excess heat. To avoid waste, a return air drying mechanism 10 is designed to recover and reuse the hot air. The first air guide hood 1001 is installed on the sealing cover 2 and is connected to the second air guide hood 1005 through the first air guide pipe 1003, which guides the hot air into the interior of the second air guide hood 1005 to preheat the iron sheet that was just transported, thereby improving the subsequent heating efficiency.

[0027] like Figures 1-5As shown, the third air guide hood 1006 is disposed below the fixed frame 1, and the third air guide hood 1006 is disposed corresponding to the first conveyor table 602. The air outlet at the bottom of the third air guide hood 1006 is connected to the air inlet hood 1008 through the second air guide pipe 1007. The air inlet hood 1008 is connected to the air guide box 1010 of the air guide chamber 1009 inside the second conveyor table 606, and the upper part of the air guide box 1010 is provided with a plurality of air guide openings 1011. The first conveyor table 602 and the second conveyor table 606 are transmission mesh belts.

[0028] It should be noted that an air guide fan is installed at the air outlet of the third air guide hood 1006, which is connected to the air inlet hood 1008 in conjunction with the second air guide pipe 1007. The air inlet hood 1008 is connected to the air guide box 1010, which can guide excess hot air into the air guide box 1010 and spray it out from the air guide opening 1011 of the air guide box 1010 to dry the iron sheets on the second conveyor belt and improve the drying efficiency.

[0029] It should be further explained that the air guide box 1010 is located inside the air guide chamber 1009 of the second conveyor table 606, and can directly heat the iron sheets on the second conveyor belt.

[0030] like Figures 1-5 As shown, the upper part of the fixed frame 1 is provided with a receiving bracket 3, and the receiving bracket 3 is provided with a feeding hopper 4.

[0031] It should be noted that the receiving support 3 is equipped with a feeding hopper 4, which can be used in conjunction with the lifting equipment to introduce materials from the feeding hopper 4, and then transport them via the first conveyor belt.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A multi-stage drying device for solid waste resource recovery, comprising a fixed frame (1), a sealing cover (2), and a drying mechanism (6), characterized in that, The fixing frame (1) is a rectangular frame structure, and a drying mechanism (6) is provided on the upper part of the fixing frame (1). The drying mechanism (6) includes a first conveyor table (602), a second conveyor table (606), a first receiving bracket (601), a second receiving bracket (604), and a first heating tube (603). The first conveyor table (602) is mounted on the fixed frame (1), and the first receiving bracket (601) and the first heating tube (603) are mounted on both sides of the first conveyor table (602) to form a first drying group. The second conveyor table (606) is provided with a second receiving bracket (604) and a second heating tube (605) on both sides to form a second drying group; The upper part of the fixed frame (1) is provided with a transfer platform (7), and a third conveyor belt (8) is provided on the transfer platform (7). The transfer platform (7) is located between the first conveyor platform (602) and the second conveyor platform (606).

2. A multi-stage drying device for solid waste resource recovery according to claim 1, characterized in that, The first conveyor platform (602) and the second conveyor platform (606) are respectively provided with a first conveyor belt and a second conveyor belt.

3. A multi-stage drying device for solid waste resource recovery according to claim 2, characterized in that, The transfer platform (7) is tilted and set on the connecting plate (9) of the fixed frame (1).

4. A multi-stage drying device for solid waste resource recovery according to claim 3, characterized in that, It also includes a return air drying mechanism (10), which includes a first air guide hood (1001), an air outlet (1002), a first air guide pipe (1003), a second air guide hood (1005), a third air guide hood (1006), and a second air guide pipe (1007). The first air guide hood (1001) is located on the upper part of the sealing cover (2), and the air outlet (1002) of the first air guide hood (1001) is connected to the second air guide hood (1005) through the air guide fan and the first air guide pipe (1003). The second air guide hood (1005) is located below the feed section of the fixed frame (1).

5. A multi-stage drying device for solid waste resource recovery according to claim 4, characterized in that, The third air guide hood (1006) is set below the fixed frame (1), and the third air guide hood (1006) is set in correspondence with the first conveyor table (602). The air outlet at the bottom of the third air guide hood (1006) is connected to the air inlet hood (1008) through the second air guide pipe (1007). The air intake hood (1008) is connected to the air guide box (1010) of the air guide chamber (1009) inside the second conveyor (606), and the air guide box (1010) is provided with several air guide openings (1011) on the upper part.

6. A multi-stage drying device for solid waste resource recovery according to claim 1, characterized in that, The first conveyor platform (602) and the second conveyor platform (606) are transmission mesh belts.

7. A multi-stage drying device for solid waste resource recovery according to claim 1, characterized in that, The fixed frame (1) is provided with a support bracket (3) on the upper part, and a feed hopper (4) is provided inside the support bracket (3).

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