Novel waste heat recovery device with high corrosion resistance

Abstract

The utility model discloses a novel waste heat recovery device with high corrosion resistance, and relates to the technical field of waste heat recovery. The side face of the first box body is connected with an air inlet box, a filter plate is inserted into the air inlet box, the outer side of the filter plate is movably sleeved with a scraping plate, a fixed plate is fixedly arranged in the air inlet box, a second rotating rod is fixedly arranged at the output end of the speed reducer, and a rotating plate is fixedly arranged at the end, away from the speed reducer, of the second rotating rod; a fixing rod is fixedly arranged on the outer side of the rotating plate, a square groove is formed in the side, close to the fixing plate, of the scraping plate, the fixing rod is movably inserted into the square groove, and the scraping plate is movably inserted into the air inlet box; by arranging the structures such as the second rotating rod, the rotating plate, the fixed rod, the scraping plate and the square groove, impurities filtered out of the outer side of the filtering plate can be scraped off while the fan blades rotate, the problems that the efficiency of the filtering plate is reduced and cleaning is troublesome are solved, and therefore the purpose of conveniently cleaning the filtering plate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a novel waste heat recovery device with strong corrosion resistance. Background Art

[0002] Waste heat recovery is an energy-saving technology that reduces energy consumption by collecting and utilizing waste heat generated during production. This technology can be applied in various industrial processes, such as steel production, chemical processing, and power generation. Through waste heat recovery, waste heat can be converted into usable heat or electricity, thereby reducing energy consumption and environmental pollution.

[0003] The existing waste gas is then transmitted to the heat recovery device, and it is usually necessary to use a filter plate to clean the impurities in the waste gas to prevent it from entering the device and causing a decrease in the heat conversion efficiency of the equipment. However, the filter plate needs to be cleaned after working for a period of time, otherwise the filtration efficiency will be reduced. The existing cleaning is more troublesome, and during the waste heat recovery, it will cause serious corrosion in the equipment, thereby reducing the service life of the equipment. In response to the above problems, the inventors proposed a new waste heat recovery device with strong corrosion resistance to solve the above problems. Utility Model Content

[0004] In order to solve the problem that it is inconvenient to clean the filter plate and the equipment is seriously corroded; the purpose of the utility model is to provide a new type of waste heat recovery device with strong corrosion resistance.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a new type of waste heat recovery device with strong corrosion resistance, including a No. 1 box body, the side of the No. 1 box body is connected to an air intake box, a filter plate is inserted in the air intake box, a scraper is movably sleeved on the outside of the filter plate, the scraper and the filter plate are in contact with each other away from the No. 1 box body, a fixed plate is fixed in the air intake box, a reducer is installed on the side of the fixed plate close to the filter plate, a No. 2 rotating rod is fixed on the output end of the reducer, a rotating plate is fixed on the end of the No. 2 rotating rod away from the reducer, a fixed rod is fixed on the outside of the rotating plate, a square groove is opened on the side of the scraper close to the fixed plate, the fixed rod is movably inserted in the square groove, and the scraper is movably inserted in the air intake box.

[0006] Preferably, a connecting pipe is fixedly inserted at the top of the No. 1 box, and the top of the connecting pipe is fixedly connected to the No. 2 box. Heat absorption tubes are installed in both the No. 1 box and the No. 2 box, and the two heat absorption tubes are fixedly connected at the first end. A liquid outlet pipe is installed on the outside of the No. 1 box, and a liquid inlet pipe is installed on the outside of the No. 2 box.

[0007] Preferably, a connecting block is installed on the outside of the air intake box, an air outlet pipe is fixedly connected to the top of the No. 2 box body, symmetrically distributed baffles are fixed on both sides of the inner wall of the air intake box, screws are inserted into the inner thread of the filter plate, and the screw threads are inserted into the air intake box, symmetrically distributed auxiliary rods are fixed in the air intake box, and symmetrically distributed fixed blocks are fixed on the outside of the scraper, and the fixed blocks are movably sleeved on the outside of the auxiliary rods.

[0008] Preferably, a No. 1 rotating rod is rotatably inserted into the fixed plate, and the No. 1 rotating rod is fixedly connected to the input end of the reducer. A fan blade is fixedly provided at the end of the No. 1 rotating rod away from the reducer. A transmission rod is rotatably inserted in the air intake box, and a No. 1 bevel gear is fixedly provided at the end of the transmission rod. A No. 2 bevel gear is fixedly sleeved on the outer side of the No. 1 rotating rod, and the No. 1 bevel gear and the No. 2 bevel gear are meshed with each other. A motor is installed on the top of the air intake box, and the end of the motor output shaft is inserted through the air intake box and fixedly connected to the transmission rod.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the present invention, by arranging the second rotating rod, rotating plate, fixed rod, scraper and square groove and other structures, the impurities filtered out of the outer side of the filter plate can be scraped off while the fan blades rotate, avoiding the problem of reduced efficiency of the filter plate and troublesome cleaning, thereby achieving the purpose of facilitating the cleaning of the filter plate;

[0011] 2. In the present invention, a multi-stage heat exchange structure is designed by arranging the No. 1 box, the No. 2 box, the connecting pipe and the heat absorption pipe to cooperate with each other, so that the medium is exchanged in the heat exchange units of different levels, the temperature is lowered step by step, and the corrosion rate is reduced. At the same time, impurities are filtered through the filter plate, and corrosive solids can be filtered to avoid entering the No. 1 box and the No. 2 box, thereby achieving the purpose of reducing corrosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a side view schematic diagram of the overall structure of the utility model;

[0015] Figure 3This is a cross-sectional diagram of the first box and its connection structure of the utility model;

[0016] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0017] In the figure: 1. Box body No. 1; 11. Box body No. 2; 12. Connecting pipe; 13. Heat absorption pipe; 14. Liquid inlet pipe; 15. Liquid outlet pipe; 16. Air outlet pipe; 2. Air inlet box; 21. Fixed plate; 22. Rotating rod No. 1; 23. Fan blade; 24. Reducer; 25. Rotating rod No. 2; 26. Rotating plate; 27. Fixed rod; 28. Connecting block; 3. Filter plate; 31. Scraper; 32. Square groove; 33. Baffle; 34. Screw; 35. Fixed block; 36. Auxiliary rod; 4. Transmission rod; 41. Bevel gear No. 1; 42. Bevel gear No. 2; 43. Motor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] like Figure 1-4 The air filter 31 is a kind of air filter that is convenient to use and can be used for the purpose of cleaning the interior of the air filter 3. The air filter 31 is a kind of air filter that is convenient to use and can be used for the purpose of cleaning the interior of the air filter 3.

[0020] A connecting pipe 12 is fixedly inserted at the top of the No. 1 box 1, and the top of the connecting pipe 12 is fixedly connected to the No. 2 box 11. Heat absorption pipes 13 are installed in both the No. 1 box 1 and the No. 2 box 11, and the two heat absorption pipes 13 are fixedly connected at the first end. A liquid outlet pipe 15 is installed on the outside of the No. 1 box 1, and a liquid inlet pipe 14 is installed on the outside of the No. 2 box 11.

[0021] By adopting the above technical solution, the No. 1 box 1 and the No. 2 box 11 form a multi-stage heat exchange structure, and the medium is exchanged in heat exchange units of different levels, the temperature is lowered step by step, and the corrosion rate is reduced, thereby achieving the purpose of reducing auxiliary properties. At the same time, impurities are filtered by the filter plate 3, which can also effectively control the corrosion efficiency.

[0022] A connecting block 28 is installed on the outside of the air inlet box 2, and an air outlet pipe 16 is fixedly connected to the top of the second box body 11.

[0023] By adopting the above technical solution, the connecting block 28 is connected to the external hot gas transporting equipment.

[0024] Baffles 33 are fixedly provided on both sides of the inner wall of the air intake box 2 and are symmetrically distributed. Screws 34 are inserted into the inner thread of the filter plate 3, and the screws 34 are inserted into the air intake box 2 through the thread.

[0025] By adopting the above technical solution, the baffle 33 blocks the hot air. Since the scraper 31 is inserted into the air inlet box 2 and the inner wall has a groove, the baffle 33 prevents a large amount of gas from entering the No. 1 box body 1 through the groove.

[0026] Auxiliary rods 36 that are symmetrically distributed are fixedly provided in the air intake box 2 , and fixed blocks 35 that are symmetrically distributed are fixedly provided on the outside of the scraper 31 . The fixed blocks 35 are movably sleeved on the outside of the auxiliary rods 36 .

[0027] By adopting the above technical solution, the fixed block 35 and the auxiliary rod 36 assist the scraper 31 to move back and forth up and down.

[0028] A first rotating rod 22 is rotatably inserted into the fixed plate 21 . The first rotating rod 22 is fixedly connected to the input end of the reducer 24 . A fan blade 23 is fixedly provided at one end of the first rotating rod 22 away from the reducer 24 .

[0029] By adopting the above technical solution, the rotation of the No. 1 rotating rod 22 drives the fan blades 23 to rotate, thereby improving the filtering efficiency.

[0030] A transmission rod 4 is rotatably inserted in the air intake box 2, and a first bevel gear 41 is fixedly provided at the end of the transmission rod 4. A second bevel gear 42 is fixedly sleeved on the outer side of the first rotating rod 22, and the first bevel gear 41 and the second bevel gear 42 are meshed with each other.

[0031] By adopting the above technical solution, the transmission rod 4 rotates to drive the No. 1 rotating rod 22 to rotate for transmission.

[0032] A motor 43 is installed at the top of the air intake box 2 , and the end of the output shaft of the motor 43 is inserted through the air intake box 2 and fixedly connected to the transmission rod 4 .

[0033] By adopting the above technical solution, the output shaft end of the motor 43 rotates to drive the transmission rod 4 to rotate, so as to provide power output.

[0034] Working principle: When recovering waste heat, first connect to the external water source through the liquid inlet pipe 14 and the liquid outlet pipe 15. First, the hot air will enter the No. 1 box 1 through the air inlet box 2, and then enter the No. 2 box 11 through the connecting pipe 12. The heat of the hot air is absorbed by the water source. The No. 1 box 1 and the No. 2 box 11 are designed to form a multi-stage heat exchange structure. The medium is exchanged in heat exchange units of different levels, and the temperature is gradually reduced to reduce the corrosion rate, thereby achieving the purpose of reducing the auxiliary. At the same time, during filtering, the motor 43 is started to make the motor 43 start working, and the output shaft end of the motor 43 rotates to drive the transmission rod 4 to rotate. The rotation of the transmission rod 4 drives the No. 1 bevel gear 41 to rotate, the rotation of the No. 1 bevel gear 41 drives the No. 2 bevel gear 42 that meshes with each other to rotate, the rotation of the No. 2 bevel gear 42 drives the No. 1 rotating rod 22 to rotate, the rotation of the No. 1 rotating rod 22 drives the No. 2 rotating rod 25 to rotate through the reducer 24, the rotation of the No. 2 rotating rod 25 drives the rotating plate 26 to rotate, the rotation of the rotating plate 26 drives the fixing rod 27, the fixing rod 27 rotates through the square groove 32 to make the scraper 31 move up and down on the outside of the filter plate 3, and then the solids filtered out of the outside of the filter plate 3 can be scraped off, so that the filtration can be carried out efficiently, thereby achieving the purpose of convenient cleaning.

[0035] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A novel waste heat recovery device with strong corrosion resistance, comprising a first housing (1), characterized in that: The side of the first box (1) is connected to an air intake box (2), a filter plate (3) is inserted into the air intake box (2), a scraper (31) is movably sleeved on the outside of the filter plate (3), and the scraper (31) and the filter plate (3) are in contact with each other away from the first box (1); A fixed plate (21) is fixedly provided in the air intake box (2), a reducer (24) is installed on the side of the fixed plate (21) close to the filter plate (3), a second rotating rod (25) is fixedly provided at the output end of the reducer (24), a rotating plate (26) is fixedly provided at the end of the second rotating rod (25) away from the reducer (24), a fixed rod (27) is fixedly provided on the outer side of the rotating plate (26), a square groove (32) is provided on the side of the scraper (31) close to the fixed plate (21), the fixed rod (27) is movably inserted in the square groove (32), and the scraper (31) is movably inserted in the air intake box (2).

2. A novel waste heat recovery device with strong corrosion resistance as claimed in claim 1, characterized in that: A connecting pipe (12) is fixedly inserted at the top of the No. 1 box (1), and the top of the connecting pipe (12) is fixedly connected to the No. 2 box (11). Heat absorbing pipes (13) are installed in both the No. 1 box (1) and the No. 2 box (11), and the two heat absorbing pipes (13) are fixedly connected at the top. A liquid outlet pipe (15) is installed on the outside of the No. 1 box (1), and a liquid inlet pipe (14) is installed on the outside of the No. 2 box (11).

3. A novel waste heat recovery device with strong corrosion resistance as claimed in claim 2, characterized in that: A connecting block (28) is installed on the outside of the air inlet box (2), and an air outlet pipe (16) is fixedly connected to the top of the second box body (11).

4. A novel waste heat recovery device with strong corrosion resistance as claimed in claim 1, characterized in that: Baffles (33) are fixedly provided on both sides of the inner wall of the air intake box (2) and are symmetrically distributed. Screws (34) are inserted into the inner thread of the filter plate (3), and the screws (34) are inserted into the air intake box (2) through the thread.

5. The novel waste heat recovery device with strong corrosion resistance according to claim 1 is characterized in that: Auxiliary rods (36) that are symmetrically distributed are fixedly provided in the air intake box (2), and fixed blocks (35) that are symmetrically distributed are fixedly provided on the outside of the scraper (31). The fixed blocks (35) are movably sleeved on the outside of the auxiliary rods (36).

6. A novel waste heat recovery device with strong corrosion resistance as claimed in claim 1, characterized in that: The fixed plate (21) is rotatably inserted with a first rotating rod (22), the first rotating rod (22) is fixedly connected to the input end of the reducer (24), and a fan blade (23) is fixedly provided at one end of the first rotating rod (22) away from the reducer (24).

7. A novel waste heat recovery device with strong corrosion resistance as claimed in claim 6, characterized in that: A transmission rod (4) is rotatably inserted in the air intake box (2), a first bevel gear (41) is fixedly provided at the end of the transmission rod (4), a second bevel gear (42) is fixedly sleeved on the outer side of the first rotating rod (22), and the first bevel gear (41) and the second bevel gear (42) are meshed with each other.

8. The novel waste heat recovery device with strong corrosion resistance according to claim 1, characterized in that: A motor (43) is installed at the top of the air intake box (2), and the end of the output shaft of the motor (43) is inserted into the air intake box (2) and fixedly connected to the transmission rod (4).

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