Slag waste heat utilization device of waste incineration power generation system

Abstract

The utility model relates to the technical field of waste heat recovery, in particular to a slag waste heat utilization device of a waste incineration power generation system, slag penetrates through a first hollow rotating shaft through a feeding assembly to enter a roller, and a driving assembly is started, so that the driving assembly drives a water jacket assembly and the roller to rotate; water flow is injected into the water jacket assembly through the second hollow rotating shaft, slag in the roller evenly heats the water flow of the water jacket assembly, and slag waste heat utilization is improved. Comprising a bottom plate, a first side plate, a second side plate, a first hollow rotating shaft, a second hollow rotating shaft, a fixing sleeve, a spiral blade and a roller, the first side plate and the second side plate are arranged at the top end of the bottom plate, and the first hollow rotating shaft is arranged at the left end of the roller, penetrates through the first side plate and is rotationally connected with the first side plate; the right end of the roller is rotationally installed on the inner side of the fixing sleeve, the second hollow rotating shaft penetrates through the fixing sleeve and is fixedly connected with the fixing sleeve, and a discharging opening is formed in the bottom of the fixing sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a slag waste heat utilization device of a garbage incineration power generation system. Background Art

[0002] Slag, also known as molten slag, is a melt floating on the surface of liquid materials such as metals generated during the pyrometallurgical process. It is mainly composed of oxides (silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide), and often contains sulfides and a small amount of metal. The molten material produced by coal in the combustion chamber of the boiler is composed of coal ash, which can be used as raw materials for bricks and tiles. Since slag is a by-product generated during the high-temperature pyrometallurgical process, the formation temperature of slag is usually very high, which is a good waste heat resource and has a high waste heat recovery value.

[0003] In the prior art, a patent document with announcement number CN220153287U discloses a slag waste heat recovery device, comprising a base; a fixing frame is arranged on the base; a hot box; a waste heat recovery component, comprising a pipe; the pipe is arranged around the inner wall of the shell; an air outlet pipe is arranged on the left side of the pipe; the air outlet pipe passes through the front wall of the shell and is connected to the outside; a water inlet is arranged on the right side of the pipe; the water inlet passes through the rear wall of the shell and is connected to the outside; and a drive component, which is transmission-connected to the rotating shaft.

[0004] During use, it was found that when the above-mentioned device transports slag through spiral blades, the slag is used to preheat the water flow. However, when the spiral blades are transporting the slag, the slag close to the rotating shaft is far away from the water flow, resulting in full utilization of the heat of the slag close to the water flow, but the heat utilization rate of the slag far away from the water flow is relatively low. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a slag waste heat utilization device for a garbage incineration power generation system which improves the waste heat utilization rate.

[0006] The utility model discloses a slag waste heat utilization device for a garbage incineration power generation system, comprising a bottom plate, a No. 1 side plate, a No. 2 side plate, a No. 1 hollow rotating shaft, a No. 2 hollow rotating shaft, a fixed sleeve, spiral blades and a drum. The top of the bottom plate is provided with a No. 1 side plate and a No. 2 side plate, the left end of the drum is provided with a No. 1 hollow rotating shaft, the No. 1 hollow rotating shaft passes through the No. 1 side plate and is rotatably connected with the No. 1 side plate, the right end of the drum is rotatably mounted on the inner side of the fixed sleeve, the No. 2 hollow rotating shaft passes through the fixed sleeve and is fixedly connected with the fixed sleeve, a discharge port is provided at the bottom of the fixed sleeve, the No. 2 hollow rotating shaft passes through the No. 2 side plate and is connected with the No. 1 hollow rotating shaft. The No. 2 side plate is fixedly connected, and the inner wall of the drum is provided with spiral blades. It also includes a water jacket assembly, a drive assembly and a feed assembly. The drum is provided with a water jacket assembly, and the top of the bottom plate is provided with a drive assembly, which is used to rotate the drum, and the top of the bottom plate is provided with a feed assembly; the slag passes through the No. 1 hollow shaft into the interior of the drum through the feed assembly, and the drive assembly is started, so that the drive assembly drives the water jacket assembly and the drum to rotate, and water is injected into the water jacket assembly through the No. 2 hollow shaft. The slag inside the drum evenly heats the water flow of the water jacket assembly, thereby improving the utilization of the waste heat of the slag.

[0007] Preferably, the water jacket assembly includes a No. 1 jacket, a water distribution tank, a water distribution pipe, a No. 2 jacket, a drain pipe and a fixed plate. The outer wall of the drum is covered with the No. 1 jacket, and the outer wall of the No. 1 jacket is rotatably covered with the No. 2 jacket. The No. 2 jacket is communicated with the No. 1 jacket. The left end of the No. 2 hollow shaft is connected to the right end of the water distribution tank through a rotating joint. The No. 2 hollow shaft is communicated with the water distribution tank. Multiple groups of water pipes are circumferentially arranged on the outer wall of the water distribution tank. The output ends of the multiple groups of water pipes extend to the outside of the drum and are respectively communicated with the left end of the No. 1 jacket. The outer wall of the No. 2 jacket is connected to the left end of the No. 1 jacket. A fixed plate is provided on the wall, the bottom end of the fixed plate is connected to the top end of the bottom plate, and a drain pipe is provided at the output end of the No. 2 jacket; when the drum rotates, water flows into the water distribution tank through the No. 2 hollow shaft and enters the No. 1 jacket through the multi-component water pipes, and then the water in the No. 1 jacket enters the middle of the No. 2 jacket and is discharged outside through the drain pipe, the slag near the inner side of the drum heats the water inside the No. 1 jacket, and the slag away from the inner wall of the drum heats the water inside the No. 2 hollow shaft and the water distribution tank, thereby making full use of the heat of the slag.

[0008] Preferably, the driving assembly includes a fixed ring, a support frame, an auxiliary roller, a No. 1 sprocket, a No. 2 sprocket, a motor, a motor seat and a chain. Two groups of fixed rings are arranged on the outer side wall of the No. 1 jacket, and four groups of support frames are arranged on the top of the base plate. A group of auxiliary rollers are rotatably arranged on each group of support frames, and the fixed rings are in rolling contact with the two groups of fixed rings respectively. The No. 1 jacket is sleeved with a No. 1 sprocket on the outer side wall, and the motor is installed on the top of the base plate through the motor seat. A No. 2 sprocket is arranged at the output end of the motor, and the No. 1 sprocket and the No. 2 sprocket are driven by the chain; the motor is started, so that the No. 2 sprocket drives the No. 1 sprocket to rotate through the chain, and the drum is further rotated with the cooperation of the No. 1 hollow shaft, the No. 2 hollow shaft and the four groups of auxiliary rollers, so that the drum rolls and transports the slag inside the drum through the spiral blades.

[0009] Preferably, the feeding assembly includes a support, a feed pipe and a feed hopper. A support is arranged at the top of the base plate, and a feed pipe is installed on the support. The output end of the feed pipe passes through a hollow rotating shaft No. 1 and extends to the interior of the drum. A feed hopper is arranged at the input end of the feed pipe. The slag in the feed hopper enters the interior of the drum through the feed pipe, thereby improving the feeding efficiency.

[0010] Preferably, reinforcing plates are provided between the No. 1 side plate and the No. 2 side plate and the bottom plate respectively; the No. 1 side plate and the No. 2 side plate are respectively reinforced and connected to the bottom plate by the reinforcing plates to improve the connection strength.

[0011] Preferably, the spiral blades are made of stainless steel; spiral blades made of stainless steel have a longer service life.

[0012] Preferably, the No. 1 side panel and the No. 2 side panel are connected to the bottom plate by welding; the No. 1 side panel and the No. 2 side panel are welded to the bottom plate to improve the connection firmness.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the slag passes through the No. 1 hollow rotating shaft through the feeding assembly and enters the interior of the drum, the driving assembly is started, so that the driving assembly drives the water jacket assembly and the drum to rotate, and the water flow is injected into the water jacket assembly through the No. 2 hollow rotating shaft. The slag inside the drum evenly heats the water flow of the water jacket assembly, thereby improving the utilization of the waste heat of the slag. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a first enlarged structural diagram of the drum and motor and other structures;

[0016] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 4 is a second enlarged structural diagram of the drum, motor and other structures;

[0018] Figure 5 It is an enlarged structural schematic diagram of structures such as the support frame and auxiliary rollers.

[0019] Markings in the attached drawings: 1. bottom plate; 2. side plate No. 1; 3. side plate No. 2; 4. hollow shaft No. 1; 5. hollow shaft No. 2; 6. fixed sleeve; 7. jacket No. 1; 8. water distribution tank; 9. water distribution pipe; 10. jacket No. 2; 11. drain pipe; 12. fixed plate; 13. fixed ring; 14. support frame; 15. auxiliary roller; 16. sprocket No. 1; 17. sprocket No. 2; 18. motor; 19. motor seat; 20. chain; 21. support; 22. feed pipe; 23. feed hopper; 24. spiral blade; 25. roller. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 4 As shown, the slag waste heat utilization device of the waste incineration power generation system of the utility model comprises a bottom plate 1, a No. 1 side plate 2, a No. 2 side plate 3, a No. 1 hollow shaft 4, a No. 2 hollow shaft 5, a fixing sleeve 6, a spiral blade 24 and a roller 25. The top of the bottom plate 1 is provided with a No. 1 side plate 2 and a No. 2 side plate 3. The left end of the roller 25 is provided with a No. 1 hollow shaft 4, the No. 1 hollow shaft 4 passes through the No. 1 side plate 2 and is rotatably connected with the No. 1 side plate 2, the right end of the roller 25 is rotatably installed on the inner side of the fixing sleeve 6, the No. 2 hollow shaft 5 passes through the fixing sleeve 6 and is connected to the fixing sleeve 61 to Figure 4 As shown, the fixed connection is provided, a discharge port is provided at the bottom of the fixed sleeve 6, the second hollow shaft 5 passes through the second side plate 3 and is fixedly connected to the second side plate 3, a spiral blade 24 is provided on the inner side wall of the drum 25, and also includes a water jacket assembly, a drive assembly and a feed assembly, a water jacket assembly is provided on the drum 25, a drive assembly is provided at the top of the bottom plate 1, the drive assembly is used to rotate the drum 25, and a feed assembly is provided at the top of the bottom plate 1;

[0023] like Figures 1 to 4As shown, the water jacket assembly includes a No. 1 jacket 7, a water distribution tank 8, a water distribution pipe 9, a No. 2 jacket 10, a drain pipe 11 and a fixed plate 12. The outer wall of the drum 25 is covered with the No. 1 jacket 7, and the outer wall of the No. 1 jacket 7 is rotatably covered with the No. 2 jacket 10. The No. 2 jacket 10 is communicated with the No. 1 jacket 7. The left end of the No. 2 hollow shaft 5 is connected to the right end of the water distribution tank 8 through a rotating joint. The No. 2 hollow shaft 5 is communicated with the water distribution tank 8. The outer wall of the water distribution tank 8 is circumferentially provided with multiple groups of water distribution pipes 9. The output ends of the multiple groups of water distribution pipes 9 extend to the outside of the drum 25 and are respectively communicated with the left end of the No. 1 jacket 7. The outer wall of the No. 2 jacket 10 is provided with a fixed plate 12. The bottom end of the fixed plate 12 is connected to the top of the bottom plate 1, and the output end of the No. 2 jacket 10 is provided with a drain pipe 11.

[0024] like Figures 1 to 4 As shown, the driving assembly includes a fixed ring 13, a support frame 14, an auxiliary roller 15, a No. 1 sprocket 16, a No. 2 sprocket 17, a motor 18, a motor seat 19 and a chain 20. Two groups of fixed rings 13 are arranged on the outer wall of the No. 1 jacket 7, four groups of support frames 14 are arranged on the top of the base plate 1, and a group of auxiliary rollers 15 are rotatably arranged on each group of support frames 14. The fixed ring 13 is in rolling contact with the two groups of fixed rings 13 respectively. The outer wall of the No. 1 jacket 7 is sleeved with a No. 1 sprocket 16, the motor 18 is installed on the top of the base plate 1 through the motor seat 19, and the No. 2 sprocket 17 is arranged at the output end of the motor 18. The No. 1 sprocket 16 and the No. 2 sprocket 17 are driven by the chain 20.

[0025] In this embodiment, the motor 18 is started, so that the No. 2 sprocket 17 drives the No. 1 sprocket 16 to rotate through the chain 20, and the drum 25 is further rotated with the cooperation of the No. 1 hollow shaft 4, the No. 2 hollow shaft 5 and the four sets of auxiliary rollers 15, so that the drum 25 rolls and transports the slag inside the drum 25 through the spiral blades 24. When the drum 25 rotates, the water flows into the water distribution tank 8 through the No. 2 hollow shaft 5 and enters the No. 1 jacket 7 through the multi-component water pipe 9. Thereafter, the water in the No. 1 jacket 7 enters the middle of the No. 2 jacket 10 and is discharged through the drain pipe 11. The slag near the inner side of the drum 25 heats the water flow inside the No. 1 jacket 7, and the slag away from the inner wall of the drum 25 heats the water flow inside the No. 2 hollow shaft 5 and the water distribution tank 8, thereby making full use of the heat of the slag.

[0026] Example 2

[0027] like Figures 1 to 4As shown, the slag waste heat utilization device of the waste incineration power generation system of the utility model comprises a bottom plate 1, a No. 1 side plate 2, a No. 2 side plate 3, a No. 1 hollow shaft 4, a No. 2 hollow shaft 5, a fixing sleeve 6, a spiral blade 24 and a roller 25. The top of the bottom plate 1 is provided with a No. 1 side plate 2 and a No. 2 side plate 3. The left end of the roller 25 is provided with a No. 1 hollow shaft 4, the No. 1 hollow shaft 4 passes through the No. 1 side plate 2 and is rotatably connected with the No. 1 side plate 2, the right end of the roller 25 is rotatably installed on the inner side of the fixing sleeve 6, the No. 2 hollow shaft 5 passes through the fixing sleeve 6 and is connected to the fixing sleeve 61 to Figure 4 As shown, the fixed connection is provided, a discharge port is provided at the bottom of the fixed sleeve 6, the second hollow shaft 5 passes through the second side plate 3 and is fixedly connected to the second side plate 3, a spiral blade 24 is provided on the inner side wall of the drum 25, and also includes a water jacket assembly, a drive assembly and a feed assembly, a water jacket assembly is provided on the drum 25, a drive assembly is provided at the top of the bottom plate 1, the drive assembly is used to rotate the drum 25, and a feed assembly is provided at the top of the bottom plate 1;

[0028] like Figures 1 to 4 As shown, the water jacket assembly includes a No. 1 jacket 7, a water distribution tank 8, a water distribution pipe 9, a No. 2 jacket 10, a drain pipe 11 and a fixed plate 12. The outer wall of the drum 25 is covered with the No. 1 jacket 7, and the outer wall of the No. 1 jacket 7 is rotatably covered with the No. 2 jacket 10. The No. 2 jacket 10 is communicated with the No. 1 jacket 7. The left end of the No. 2 hollow shaft 5 is connected to the right end of the water distribution tank 8 through a rotating joint. The No. 2 hollow shaft 5 is communicated with the water distribution tank 8. The outer wall of the water distribution tank 8 is circumferentially provided with multiple groups of water distribution pipes 9. The output ends of the multiple groups of water distribution pipes 9 extend to the outside of the drum 25 and are respectively communicated with the left end of the No. 1 jacket 7. The outer wall of the No. 2 jacket 10 is provided with a fixed plate 12. The bottom end of the fixed plate 12 is connected to the top of the bottom plate 1, and the output end of the No. 2 jacket 10 is provided with a drain pipe 11.

[0029] like Figures 1 to 4 As shown, the driving assembly includes a fixed ring 13, a support frame 14, an auxiliary roller 15, a No. 1 sprocket 16, a No. 2 sprocket 17, a motor 18, a motor seat 19 and a chain 20. Two groups of fixed rings 13 are arranged on the outer wall of the No. 1 jacket 7, four groups of support frames 14 are arranged on the top of the bottom plate 1, and a group of auxiliary rollers 15 are rotatably arranged on each group of support frames 14. The fixed ring 13 is in rolling contact with the two groups of fixed rings 13 respectively. The outer wall of the No. 1 jacket 7 is sleeved with a No. 1 sprocket 16. The motor 18 is installed on the top of the bottom plate 1 through the motor seat 19. The No. 2 sprocket 17 is arranged at the output end of the motor 18. The No. 1 sprocket 16 and the No. 2 sprocket 17 are driven by the chain 20.

[0030] like Figure 3As shown, the feed assembly includes a support 21, a feed pipe 22 and a feed hopper 23. The support 21 is arranged at the top of the base plate 1, and the feed pipe 22 is installed on the support 21. The output end of the feed pipe 22 passes through the first hollow shaft 4 and extends to the inside of the drum 25. The feed hopper 23 is arranged at the input end of the feed pipe 22.

[0031] In this embodiment, the slag in the feed hopper 23 enters the interior of the drum 25 through the feed pipe 22, and the motor 18 is started, so that the No. 2 sprocket 17 drives the No. 1 sprocket 16 to rotate through the chain 20, and the drum 25 is further rotated with the cooperation of the No. 1 hollow shaft 4, the No. 2 hollow shaft 5 and the four sets of auxiliary rollers 15, so that the drum 25 rolls and transports the slag inside the drum 25 through the spiral blades 24. When the drum 25 rotates, the water flows into the water distribution tank 8 through the No. 2 hollow shaft 5 and enters the No. 1 jacket 7 through the multi-component water pipe 9. Thereafter, the water in the No. 1 jacket 7 enters the middle part of the No. 2 jacket 10 and is discharged through the drain pipe 11. The slag near the inner side of the drum 25 heats the water flow inside the No. 1 jacket 7, and the slag away from the inner wall of the drum 25 heats the water flow inside the No. 2 hollow shaft 5 and the water distribution tank 8, thereby making full use of the heat of the slag.

[0032] The slag waste heat utilization device of the waste incineration power generation system of the utility model is provided with an opening at the right end of the drum 25; the No. 1 hollow shaft 4, No. 2 hollow shaft 5, fixed sleeve 6, drum 25, spiral blade 24, auxiliary roller 15 and motor 18 of the slag waste heat utilization device of the waste incineration power generation system of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A slag waste heat utilization device for a waste incineration power generation system, comprising a bottom plate (1), a first side plate (2), a second side plate (3), a first hollow rotating shaft (4), a second hollow rotating shaft (5), a fixed sleeve (6), a spiral blade (24) and a drum (25), wherein the top of the bottom plate (1) is provided with a first side plate (2) and a second side plate (3), the left end of the drum (25) is provided with a first hollow rotating shaft (4), the first hollow rotating shaft (4) passes through the first side plate (2) and is rotatably connected to the first side plate (2), the right end of the drum (25) is rotatably mounted on the inner side of the fixed sleeve (6), the second hollow rotating shaft (5) passes through the fixed sleeve (6) and is fixedly connected to the fixed sleeve (6), a discharge port is provided at the bottom of the fixed sleeve (6), the second hollow rotating shaft (5) passes through the second side plate (3) and is fixedly connected to the second side plate (3), and the inner side wall of the drum (25) is provided with a spiral blade (24), It is characterized in that It also comprises a water jacket assembly, a driving assembly and a feeding assembly. The water jacket assembly is arranged on the roller (25), the driving assembly is arranged on the top of the bottom plate (1), the driving assembly is used to rotate the roller (25), and the feeding assembly is arranged on the top of the bottom plate (1).

2. The slag waste heat utilization device of the waste incineration power generation system according to claim 1, It is characterized in that The water jacket assembly comprises a No. 1 jacket (7), a water distribution box (8), a water distribution pipe (9), a No. 2 jacket (10), a drainage pipe (11) and a fixed plate (12); the No. 1 jacket (7) is mounted on the outer wall of the drum (25); the No. 2 jacket (10) is rotatably mounted on the outer wall of the No. 1 jacket (7); the No. 2 jacket (10) is in communication with the No. 1 jacket (7); the left end of the No. 2 hollow shaft (5) is connected to the right end of the water distribution box (8) through a rotating joint. The second hollow rotating shaft (5) is connected to the water distribution box (8), and the outer wall of the water distribution box (8) is circumferentially provided with a plurality of water pipes (9). The output ends of the plurality of water pipes (9) extend to the outside of the drum (25) and are respectively connected to the left end of the first jacket (7). The outer wall of the second jacket (10) is provided with a fixing plate (12), and the bottom end of the fixing plate (12) is connected to the top end of the bottom plate (1). The output end of the second jacket (10) is provided with a drainage pipe (11).

3. The slag waste heat utilization device of the waste incineration power generation system according to claim 2, It is characterized in that The driving assembly comprises a fixed ring (13), a support frame (14), an auxiliary roller (15), a first sprocket (16), a second sprocket (17), a motor (18), a motor seat (19) and a chain (20). The outer wall of the first jacket (7) is provided with two groups of fixed rings (13). The top of the bottom plate (1) is provided with four groups of support frames (14). A group of auxiliary rollers (15) is rotatably provided on each group of support frames (14). The fixed ring (13) is in rolling contact with the two groups of fixed rings (13). The outer wall of the first jacket (7) is provided with a first sprocket (16). The motor (18) is installed on the top of the bottom plate (1) through the motor seat (19). The output end of the motor (18) is provided with a second sprocket (17). The first sprocket (16) and the second sprocket (17) are driven by the chain (20).

4. The slag waste heat utilization device of the waste incineration power generation system according to claim 1, It is characterized in that The feed assembly comprises a support (21), a feed pipe (22) and a feed hopper (23); the support (21) is arranged at the top of the bottom plate (1); the feed pipe (22) is mounted on the support (21); the output end of the feed pipe (22) passes through a first hollow shaft (4) and extends to the inside of the drum (25); the input end of the feed pipe (22) is arranged with the feed hopper (23).

5. The slag waste heat utilization device of the waste incineration power generation system according to claim 1, It is characterized in that A reinforcing plate is provided between the first side plate (2) and the second side plate (3) and the bottom plate (1).

6. The slag waste heat utilization device of the waste incineration power generation system according to claim 1, It is characterized in that The spiral blade (24) is made of stainless steel.

7. The slag waste heat utilization device of the waste incineration power generation system according to claim 1, It is characterized in that The first side plate (2) and the second side plate (3) are both connected to the bottom plate (1) by welding.

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