A flue gas waste heat recovery device

Abstract

The present invention relates to the field of drying facilities, and in particular to a flue gas waste heat recovery device, comprising a device base, a device shell is rotatably mounted on the upper end of the device base, a turning drum is coaxially rotatably mounted inside the device shell, a plurality of turning ears are evenly distributed and extended on the outer surface of the turning drum, the ends of the turning ears are fitted to the inner wall of the device shell, a rotating shaft extends from the middle of one end of the turning drum, the rotating shaft passes through one end of the device shell, the rotating shaft and the device shell are rotatably matched, one end of the device shell is connected to a connecting shaft, the connecting shaft is connected to the rotating shaft, one end of the connecting shaft is connected to an adjusting member, a shell push frame is rotatably mounted on the end of the adjusting member, a frame seat is arranged on the outer side of the shell push frame, the frame seat is connected to the device base, and a locking member is arranged between the shell push frame and the frame seat. The present invention improves the drying efficiency and ensures the drying effect, while also ensuring that the drying force can meet the use requirements.

Description

Technical Field

[0001] The invention relates to the field of drying facilities, and in particular to a flue gas waste heat recovery device. Background Art

[0002] Flue gas waste heat is a good heat source for heating and an important direction for energy conservation and carbon reduction in the heating field. Through flue gas waste heat recovery technology, energy utilization efficiency is effectively improved and energy consumption is reduced. It can be seen that flue gas waste heat recovery technology has broad application prospects and important environmental protection significance.

[0003] When some solid materials such as granular materials are dried, the waste heat of flue gas is often used for drying, that is, the flue gas is introduced into the granular materials so that it can flow between the granular materials, so as to heat and dry the granular materials with the waste heat of the flue gas. However, in the actual drying process, when the material is dried, it is necessary to stop the machine to discharge the material from the equipment, and then add another batch of materials to be dried for drying. The operation process cannot achieve the purpose of continuous drying, resulting in poor drying efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a flue gas waste heat recovery device.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: a flue gas waste heat recovery device, including a device base, a device shell is rotatably mounted on the upper end of the device base, a turning cylinder is coaxially rotatably mounted inside the device shell, a plurality of turning ears are evenly distributed and extended on the outer surface of the turning cylinder, the ends of the turning ears are fitted to the inner wall of the device shell, a rotating shaft extends from the middle part of one end of the turning cylinder, the rotating shaft passes through one end of the device shell, the rotating shaft and the device shell are rotatably matched, one end of the device shell is connected to a connecting shaft, the connecting shaft is connected to the rotating shaft, one end of the connecting shaft is connected to an adjusting member, a shell pushing frame is rotatably mounted on the end of the adjusting member, a frame seat is provided on the outer side of the shell pushing frame, the frame seat is connected to the device base, and a locking member is provided between the shell pushing frame and the frame seat.

[0006] Preferably, an exhaust pipe is fixedly connected to the middle of the other end of the shell, a feed pipe is fixedly connected to the upper edge of the shell, a jet ring is coaxially arranged inside the shell, the jet ring is located on the side of the flip cylinder, and two connecting pipes are symmetrically fixedly connected to the upper end of the jet ring, the connecting pipes pass through the upper end of the shell, and the ends of the connecting pipes are fixedly connected to the air intake pipe.

[0007] Preferably, a shell support frame is fixedly installed on one side of the upper end of the base, a connecting seat is embedded through the upper end of the shell support frame, a U-shaped frame is rotatably installed on the end of the connecting seat, the end of the U-shaped frame is fixed to the other end of the shell, a discharge port is penetrated at the edge of the lower end of the shell, a material guide hopper is arranged below the discharge port, the material guide hopper is inclined, and the lower end of the material guide hopper is fixed to the other side of the upper end of the base.

[0008] Preferably, a driving shaft is rotatably mounted on one end of the device shell, the driving shaft is located behind the rotating shaft, the driving shaft is connected to the rotating shaft, an axle frame is rotatably mounted on the outer surface of the connecting shaft, the end of the axle frame is fixed to the device shell, a fixing seat is fixedly mounted at the front edge of the upper end of the device seat, a bearing ear is embedded through the end of the fixing seat, and the end of the frame seat is rotatably connected to the end of the bearing ear.

[0009] Preferably, the outer surface of the rotating shaft and the outer surface of the driving shaft are coaxially inlaid with connecting gears, the two connecting gears are meshed with each other, the end of the rotating shaft and the other end of the connecting shaft are coaxially inlaid with helical gears, the two helical gears are meshed with each other, a motor frame is fixedly installed on one side of the device housing, the motor frame is located above the driving shaft, a servo motor is fixedly installed on the end of the motor frame, and the output end of the servo motor is fixed to the driving shaft.

[0010] Preferably, the adjusting member includes a carrier frame fixedly mounted on one end of the connecting shaft, a No. 1 threaded rod is rotatably mounted between the upper and lower end surfaces inside the carrier frame, the No. 1 threaded rod passes through the lower end of the carrier frame, an adjusting seat is screwed onto the outer surface of the No. 1 threaded rod, an extending shaft is extended from the end of the adjusting seat, and the end of the extending shaft is rotatably connected to the upper end of the ejection frame.

[0011] Preferably, a hand wheel is coaxially fixedly mounted on the lower end of the No. 1 threaded rod, guide ears extend from both sides of the adjustment seat, guide grooves are penetrated on both sides of the carrier frame, and the guide ears fit inside the guide grooves.

[0012] Preferably, the locking member includes a No. 2 threaded rod rotatably mounted on the inner bottom surface of the frame, the No. 2 threaded rod passes through the lower end of the ejector frame and is screwed tightly to the frame, limiting ears extend from the upper edges on both sides of the inner side of the frame, limiting grooves are provided on both sides of the ejector frame, and the limiting ears fit inside the limiting grooves.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The material is added into the shell through the feed pipe. At this time, the flue gas is introduced into the jet ring through the air intake pipe, and is ejected through the jet ring to the gap between the turning cylinder and the shell, and flows along the gap to the exhaust pipe for discharge. In this way, the heat of the flue gas is used to dry the material between the shell and the gap of the turning cylinder during the flow. In this process, the rotating shaft will drive the turning ears on the turning cylinder to rotate, so as to continuously stir the material so that the material can be dispersed and fully contacted with the flue gas, so as to ensure the drying effect of the material. At the same time, the rotating shaft will drive the adjusting seat on the connecting shaft to rotate in a circle through the bevel gear. At this time, the shell pusher and the frame seat move synchronously with the adjusting seat to continuously push the shell, so that the shell can rotate with the connection between the connecting seat and the U-shaped frame as the center, that is, the shell is continuously tilted downward, so that the material in the shell is continuously moved toward the discharge port and discharged, in this cycle, the material is continuously dried through the flue gas, and its drying efficiency is improved.

[0015] 2. By rotating the No. 1 threaded rod, the adjustment seat can be driven to move. At this time, the guide ear slides in the guide groove to guide the adjustment seat, so as to adjust the rotation radius of the adjustment seat. At the same time, the No. 2 threaded rod is rotated to drive the shell pusher frame to move. At this time, the limiting ear fits in the limit groove and slides to guide the shell pusher frame, so as to adjust the total length between the shell pusher frame and the frame seat so that it can adapt to the position adjustment of the adjustment seat, so as to adjust the downward tilt angle of the device shell, that is, adjust the time that the material stays in the device shell so that its drying intensity can meet the requirements of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a flue gas waste heat recovery device of the present invention;

[0017] Figure 2 This is a schematic diagram of a shell support frame of a flue gas waste heat recovery device of the present invention;

[0018] Figure 3 A flue gas waste heat recovery device according to the present invention Figure 1 A magnified view of middle;

[0019] Figure 4 A flue gas waste heat recovery device according to the present invention Figure 1 Enlarged view of middle B;

[0020] Figure 5 This is a schematic diagram of a frame of a flue gas waste heat recovery device according to the present invention;

[0021] Figure 6 The figure is an internal view of a shell of a flue gas waste heat recovery device according to the present invention.

[0022] In the figure: 1. shell; 2. shell support frame; 3. exhaust pipe; 4. shell base; 5. feed pipe; 6. discharge port; 7. guide hopper; 8. servo motor; 9. air inlet pipe; 10. fixed seat; 11. bearing ear; 12. carrier frame; 13. No. 1 threaded rod; 14. adjustment seat; 15. extension shaft; 16. shell pusher frame; 17. guide groove; 18. guide ear; 19. connecting shaft; 20. rotating shaft; 21. jet ring; 22. turning ear; 23. turning cylinder; 24. U-shaped frame; 25. frame seat; 26. No. 2 threaded rod; 27. limiting ear; 28. limiting groove; 29. ​​driving shaft; 30. connecting gear; 31. shaft frame; 32. bevel gear; 33. motor frame; 34. connecting seat; 35. hand wheel; 36. connecting pipe. DETAILED DESCRIPTION

[0023] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0024] like Figure 1-Figure 6 The flue gas waste heat recovery device shown in the figure includes a device base 4, a device shell 1 is rotatably mounted on the upper end of the device base 4, and the device base 4 plays a role in supporting the device shell 1. A turning cylinder 23 is coaxially rotatably mounted inside the device shell 1. A plurality of turning ears 22 are evenly distributed and extended on the outer surface of the turning cylinder 23. The turning cylinder 23 plays a role in supporting the turning ears 22. The ends of the turning ears 22 are attached to the inner wall of the device shell 1. The turning ears 22 can stir the material so that the material can be dispersed and fully contacted with the flue gas to ensure the drying effect of the material. A turning cylinder 23 extends from the middle of one end. A rotating shaft 20 extends through one end of the shell 1. The rotating shaft 20 rotates with the shell 1 to drive the turning drum 23 to rotate. A connecting shaft 19 is connected to one end of the shell 1. The connecting shaft 19 is connected to the rotating shaft 20. An adjusting member is connected to one end of the connecting shaft 19. A shell pushing frame 16 is rotatably installed on the end of the adjusting member. A frame seat 25 is provided on the outer side of the shell pushing frame 16. The frame seat 25 is connected to the device seat 4. The frame seat 25 supports the shell pushing frame 16. A locking member is provided between the shell pushing frame 16 and the frame seat 25.

[0025] An exhaust pipe 3 is fixedly connected to the middle of the other end of the shell 1, and the exhaust pipe 3 serves to discharge the smoke. A feed pipe 5 is fixedly connected to the upper edge of the shell 1, and the feed pipe 5 serves to add materials into the shell 1. A jet ring 21 is coaxially arranged inside the shell 1, and the jet ring 21 is located on the side of the overturn cylinder 23. The jet ring 21 serves to spray the smoke into the gap between the overturn cylinder 23 and the shell 1. Two connecting pipes 36 are symmetrically fixedly connected to the upper end of the jet ring 21. The connecting pipes 36 pass through the upper end of the shell 1, and the ends of the connecting pipes 36 are fixedly connected to the intake pipe 9. The connecting pipe 36 serves to connect, and the intake pipe 9 serves to allow smoke to enter.

[0026] A shell support frame 2 is fixedly installed on one side of the upper end of the device base 4, and a connecting seat 34 is embedded through the upper end of the shell support frame 2. The shell support frame 2 plays a role in fixing the connecting seat 34. A U-shaped frame 24 is rotatably installed on the end of the connecting seat 34. The end of the U-shaped frame 24 is fixed to the other end of the device shell 1. The connecting seat 34 and the U-shaped frame 24 play a role in rotatably connecting the device shell 1. A discharge port 6 is penetrated at the lower end edge of the device shell 1. The discharge port 6 plays a role in discharging materials. A guide hopper 7 is arranged below the discharge port 6. The guide hopper 7 is inclined. The guide hopper 7 plays a role in receiving the discharged materials. The lower end of the guide hopper 7 is fixed to the other side of the upper end of the device base 4.

[0027] A drive shaft 29 is rotatably installed at one end of the device shell 1. The drive shaft 29 is located behind the rotating shaft 20. The drive shaft 29 is connected to the rotating shaft 20. A shaft frame 31 is rotatably installed on the outer surface of the connecting shaft 19. The shaft frame 31 serves to support the connecting shaft 19. The end of the shaft frame 31 is fixed to the device shell 1. A fixing seat 10 is fixedly installed at the front edge of the upper end of the device seat 4. The fixing seat 10 serves to fix the bearing ear 11. The end of the fixing seat 10 is inlaid with the bearing ear 11. The end of the frame seat 25 is rotatably connected to the end of the bearing ear 11. The bearing ear 11 serves to facilitate the connection of the frame seat 25.

[0028] The outer surface of the rotating shaft 20 and the outer surface of the driving shaft 29 are coaxially inlaid with a connecting gear 30, and the two connecting gears 30 are meshed with each other. The connecting gear 30 serves to connect the rotating shaft 20 and the driving shaft 29 together. The end of the rotating shaft 20 and the other end of the connecting shaft 19 are coaxially inlaid with a bevel gear 32, and the two bevel gears 32 are meshed with each other. The bevel gear 32 serves to connect the rotating shaft 20 and the connecting shaft 19 together. A motor frame 33 is fixedly installed on one side of the device housing 1. The motor frame 33 is located above the driving shaft 29. A servo motor 8 is fixedly installed on the end of the motor frame 33. The motor frame 33 serves to fix the servo motor 8. The output end of the servo motor 8 is fixed to the driving shaft 29, and the servo motor 8 drives the driving shaft 29 to rotate.

[0029] The adjusting member includes a carrier frame 12 fixedly mounted at one end of the connecting shaft 19, a No. 1 threaded rod 13 is rotatably mounted between the upper and lower end surfaces of the carrier frame 12, the carrier frame 12 plays a role in supporting the No. 1 threaded rod 13, the No. 1 threaded rod 13 penetrates from the lower end of the carrier frame 12, an adjusting seat 14 is screwed on the outer surface of the No. 1 threaded rod 13, the No. 1 threaded rod 13 can drive the adjusting seat 14 to move, so as to adjust the position of the adjusting seat 14, and an extension shaft 15 is extended from the end of the adjusting seat 14, and the end of the extension shaft 15 is connected to the push rod 14. The upper end of the shell frame 16 is rotatably connected, and the extended shaft 15 serves to facilitate the connection with the shell push frame 16. The rotating shaft 20 will drive the adjustment seat 14 on the connecting shaft 19 to rotate in a circle through the bevel gear 32. At this time, the shell push frame 16 and the frame seat 25 move synchronously with the adjustment seat 14 to continuously push the device shell 1, so that the device shell 1 can rotate around the connection between the connecting seat 34 and the U-shaped frame 24, that is, the device shell 1 is continuously tilted downward, so that the material in the device shell 1 is continuously moved toward the discharge port 6 and discharged.

[0030] A handwheel 35 is coaxially fixedly mounted on the lower end of the No. 1 threaded rod 13, and the handwheel 35 serves to facilitate the rotation of the No. 1 threaded rod 13. Guide ears 18 extend from both sides of the adjustment seat 14, and guide grooves 17 are penetrated on both sides of the carrier frame 12. The guide ears 18 and the guide grooves 17 serve to guide the adjustment seat 14, and the guide ears 18 fit inside the guide grooves 17.

[0031] The locking member includes a No. 2 threaded rod 26 rotatably mounted on the inner bottom surface of the frame 25, and the No. 2 threaded rod 26 passes through the lower end of the ejector frame 16 and is screwed to support and fix the ejector frame 16, and is also capable of adjusting the position of the ejector frame 16. Limiting ears 27 extend from the upper edges on both sides of the inner side of the frame 25, and limiting grooves 28 are provided on both sides of the ejector frame 16. The limiting ears 27 fit inside the limiting grooves 28, and the limiting ears 27 and the limiting grooves 28 serve to guide the ejector frame 16.

[0032] When in use, the No. 1 threaded rod 13 can be rotated to drive the adjustment seat 14 to move. At this time, the guide ear 18 slides in the guide groove 17 to guide the adjustment seat 14, so as to adjust the rotation radius of the adjustment seat 14, and at the same time, the No. 2 threaded rod 26 is rotated to drive the shell pusher frame 16 to move. At this time, the limiting ear 27 fits in the limit groove 28 and slides to guide the shell pusher frame 16, so as to adjust the total length between the shell pusher frame 16 and the frame seat 25 so that it can adapt to the position adjustment of the adjustment seat 14, so as to adjust the downward tilt angle of the shell 1, that is, adjust the residence time of the material in the shell 1, so that the material can be fully dried when passing through the shell 1, and then the material is added to the shell 1 through the feed pipe 5. At this time, the smoke is introduced into the jet ring 21 through the intake pipe 9, so as to be sprayed through the jet ring 21 to the gap between the overturning cylinder 23 and the shell 1, and flows along the gap to the exhaust pipe 3 for discharge, so as to adjust the flow process The heat of the flue gas is used to dry the material between the shell 1 and the turning drum 23. During this process, the servo motor 8 will drive the driving shaft 29 to rotate, so that the driving shaft 29 drives the rotating shaft 20 to rotate through the connecting gear 30, so as to use the rotating rotating shaft 20 to drive the turning ear 22 on the turning drum 23 to rotate, so as to continuously stir the material so that the material can be dispersed and fully contacted with the flue gas, thereby ensuring the drying effect of the material. At the same time, the rotating shaft 20 will drive the adjusting seat 14 on the connecting shaft 19 to rotate in a circle through the bevel gear 32. At this time, the shell pushing frame 16 and the frame seat 25 move synchronously with the adjusting seat 14 to continuously push the shell 1, so that the shell 1 can rotate around the connection between the connecting seat 34 and the U-shaped frame 24, that is, the shell 1 is continuously tilted downward, so that the material in the shell 1 is continuously moved toward the discharge port 6 and discharged, and this cycle is used to continuously dry the material through the flue gas.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A flue gas waste heat recovery device, comprising a device base (4), characterized in that: The upper end of the vessel base (4) is rotatably mounted with a vessel shell (1), and a turning cylinder (23) is coaxially rotatably mounted inside the vessel shell (1). A plurality of turning ears (22) are evenly distributed and extended from the outer surface of the turning cylinder (23), and the ends of the turning ears (22) are in contact with the inner wall of the vessel shell (1). A rotating shaft (20) extends from the middle of one end of the turning cylinder (23), and the rotating shaft (20) passes through one end of the vessel shell (1). The rotating shaft (20) is connected to the vessel shell (1). The shell (1) is rotatably matched, one end of the shell (1) is connected to a connecting shaft (19), the connecting shaft (19) is connected to a rotating shaft (20), one end of the connecting shaft (19) is connected to an adjusting member, the end of the adjusting member is rotatably mounted with a shell push frame (16), a frame seat (25) is arranged on the outer side of the shell push frame (16), the frame seat (25) is connected to the device seat (4), and a locking member is arranged between the shell push frame (16) and the frame seat (25); A shell support frame (2) is fixedly mounted on one side of the upper end of the base (4); a connecting seat (34) is inserted through the upper end of the shell support frame (2); a U-shaped frame (24) is rotatably mounted on the end of the connecting seat (34); the end of the U-shaped frame (24) is fixed to the other end of the shell (1); a discharge port (6) is inserted through the edge of the lower end of the shell (1); a guide hopper (7) is arranged below the discharge port (6); the guide hopper (7) is arranged in an inclined manner; and the lower end of the guide hopper (7) is fixed to the other side of the upper end of the base (4); A drive shaft (29) is rotatably mounted on one end of the device housing (1), the drive shaft (29) being located behind the rotating shaft (20), the drive shaft (29) being connected to the rotating shaft (20), a shaft frame (31) being rotatably mounted on the outer surface of the connecting shaft (19), the end of the shaft frame (31) being fixed to the device housing (1), a fixing seat (10) being fixedly mounted on the front edge of the upper end of the device seat (4), a bearing ear (11) being embedded through the end of the fixing seat (10), and the end of the frame seat (25) being rotatably connected to the end of the bearing ear (11); The outer surface of the rotating shaft (20) and the outer surface of the driving shaft (29) are both coaxially inlaid with a connecting gear (30), and the two connecting gears (30) are meshed with each other. The end of the rotating shaft (20) and the other end of the connecting shaft (19) are both coaxially inlaid with a helical gear (32), and the two helical gears (32) are meshed with each other. A motor frame (33) is fixedly mounted on one side of the housing (1), and the motor frame (33) is located above the driving shaft (29). A servo motor (8) is fixedly mounted on the end of the motor frame (33), and the output end of the servo motor (8) is fixed to the driving shaft (29); The adjusting member comprises a carrier frame (12) fixedly mounted on one end of a connecting shaft (19); a No. 1 threaded rod (13) is rotatably mounted between the upper and lower end surfaces of the carrier frame (12); the No. 1 threaded rod (13) extends through the lower end of the carrier frame (12); an adjusting seat (14) is screwed onto the outer surface of the No. 1 threaded rod (13); an extending shaft (15) extends from the end of the adjusting seat (14); and the end of the extending shaft (15) is rotatably connected to the upper end of the shell ejection frame (16).

2. The flue gas waste heat recovery device according to claim 1, characterized in that: An exhaust pipe (3) is fixedly connected to the middle of the other end of the shell (1), and a feed pipe (5) is fixedly connected to the upper edge of the shell (1). An air jet ring (21) is coaxially arranged inside the shell (1), and the air jet ring (21) is located on the side of the turning cylinder (23). Two connecting pipes (36) are symmetrically fixedly connected to the upper end of the air jet ring (21). The connecting pipes (36) pass through the upper end of the shell (1), and the ends of the connecting pipes (36) are fixedly connected to the air intake pipe (9).

3. The flue gas waste heat recovery device according to claim 1, characterized in that: A hand wheel (35) is coaxially fixedly mounted on the lower end of the No. 1 threaded rod (13), guide ears (18) extend from both sides of the adjustment seat (14), and guide grooves (17) are penetrated through both sides of the carrier frame (12), and the guide ears (18) fit inside the guide grooves (17).

4. The flue gas waste heat recovery device according to claim 1, characterized in that: The locking member comprises a second threaded rod (26) rotatably mounted on the inner bottom surface of the frame seat (25), the second threaded rod (26) passing through and being screwed on the lower end of the shell ejection frame (16), limiting ears (27) extending from the inner upper edges of both sides of the frame seat (25), limiting grooves (28) being provided on both sides of the shell ejection frame (16), and the limiting ears (27) being fitted inside the limiting grooves (28).

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