Auxiliary machine cooling mechanism with waste heat recovery function

Abstract

The utility model belongs to the technical field of boiler auxiliary machines, and specifically is an auxiliary machine cooling mechanism with a waste heat recovery function, comprising a heating device; a suction fan is connected to a side wall of one side of the heating device; a drying device is installed at the bottom of the inner side of the heating device; a heat pipe device is connected to a side wall of the heating device close to the suction fan; the heat pipe device is sleeved on the outer side of the drying device; when working, cooling water can discharge the hot water inside the cooling box to the outside through a first connecting pipe and a second connecting pipe, thereby achieving the effect of heat dissipation and cooling the heating device; when the heating device of the overall device is working, the cooling box can keep the heating device warm, and the heat pipe device can heat the outer surface of the suction fan, thereby reducing the situation where the ineffective heat supply of the drying device increases due to the connection between the suction fan and the outside, and the overall device improves the heating efficiency of the heating device.

Description

Technical Field

[0001] The utility model belongs to the technical field of boiler auxiliary machines, in particular to an auxiliary machine cooling mechanism with a waste heat recovery function. Background Art

[0002] Boiler auxiliary equipment is a kind of boiler ancillary equipment, such as coal feeder, fan, coal mill and slag removal device. By using boiler auxiliary equipment, the combustion operation of the boiler can be made more stable, thereby reducing the waste of combustion energy.

[0003] The Chinese patent authorization announcement number CN219640292U discloses a boiler auxiliary machine of a high-efficiency coal feeder, which relates to the technical field of boiler auxiliary machines, including a main body, a crushing device is arranged inside the main body, a hopper is fixedly installed at the upper end of the main body, a collecting device is arranged on one side of the crushing device, a heating device is fixedly installed at the lower end of the crushing device, a discharge port is arranged below the heating device, and a support is fixedly installed at the lower end of the main body; the utility model enables the boiler auxiliary machine to quickly and evenly stir the coal through the joint action of a coal crushing bucket, a stirring blade, a guide plate, a stirring rod, a driving machine A, and a driving machine B, thereby reducing the problem of uneven size of the coal, and quickly heats and dries the crushed coal through the joint action of an electric heating wire, a fan, a heat dissipation grille, a chamber, and a motor A, and quickly collects and processes the waste and dust generated by coal processing through the joint action of a chipping port, a waste chip box, a motor B, a suction fan, and a chip suction pipe.

[0004] The above-mentioned boiler auxiliary machine can collect and process the waste and dust generated by coal processing through the suction fan during operation. However, since the suction fan is connected to the outside, the ineffective heat supply of the heating component will increase, thereby reducing the efficiency of the heating device. Therefore, in order to solve the above problem, an auxiliary machine cooling mechanism with waste heat recovery function is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes an auxiliary machine cooling mechanism with a waste heat recovery function.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an auxiliary machine cooling mechanism with waste heat recovery function, comprising a heating device; a side wall of one side of the heating device is connected to a suction fan; a drying device is installed at the bottom of the inner side of the heating device; a heat pipe device is connected to the side wall of the heating device close to the suction fan; the heat pipe device is sleeved on the outside of the drying device; a screening plate is rotatably connected to the top of the heating device; cooling boxes are arranged on both sides of the outside of the heating device; a guide plate is fixedly connected to the top of the inner side of the cooling box; a first connecting pipe is connected to the inside of the cooling box; a second connecting pipe is connected to the bottom of the first connecting pipe; and a third connecting pipe is connected to the top of the cooling box.

[0007] Preferably, a discharge trough is provided on the side wall of the heating device away from the suction fan; an output motor is fixedly connected to the side wall of one side of the heating device; a conveyor belt is rotatably connected to the inner side of the heating device; a rotating shaft is rotatably connected to the inner side of the conveyor belt; first extrusion plates are fixedly connected to both ends of the outer side wall of the rotating shaft; and a pair of second extrusion plates are fixedly connected to the bottom of the screening plate.

[0008] Preferably, a collecting box is provided at the bottom of the heating device; the collecting box is interconnected with the second connecting pipe; a water pump is connected to one end of the collecting box away from the heating device; a fourth connecting pipe is connected to the top of the water pump; and the fourth connecting pipe is interconnected with the third connecting pipe.

[0009] Preferably, a plurality of groups of limiting columns are fixedly connected to the top of the collection box; and a cover plate is slidably connected to the top of the limiting columns.

[0010] Preferably, a fixing plate is fixedly connected to the inner wall of the heating device; a plurality of groups of spring columns are fixedly connected to the inner bottom of the fixing plate; and a blocking plate is slidably connected to the inner side of the fixing plate.

[0011] Preferably, a fitting rotating column is slidably connected to the top of the first extrusion plate.

[0012] Preferably, a feed inlet is fixedly connected to the top of the heating device.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an auxiliary machine cooling mechanism with a waste heat recovery function. When the interior of the heating device needs to be cooled, the second connecting pipe is opened, and cooling water is filled into the cooling box through the third connecting pipe. The cooling water can discharge the hot water inside the cooling box to the outside through the first connecting pipe and the second connecting pipe, thereby achieving the effect of heat dissipation and cooling the heating device. When the heating device of the overall device is working, the cooling box can keep the heating device warm, and the heat pipe device can heat the outer surface of the suction fan, thereby reducing the increase in invalid heat supply to the drying device due to the connection between the suction fan and the outside, and the overall device improves the heating efficiency of the heating device.

[0015] 2. The utility model provides an auxiliary machine cooling mechanism with a waste heat recovery function. The output motor drives the conveyor belt to rotate through the rotating shaft. During the rotation, the conveyor belt can push the coal slag accumulated on the top toward the discharge chute, thereby improving the ease of collecting smaller-sized coal slag; and the rotating shaft drives a pair of first extrusion plates to rotate, and the first extrusion plate can intermittently extrude the second extrusion plate, so that the screening plate vibrates back and forth up and down, which increases the speed at which the coal on the top of the screening plate detaches, thereby reducing the occurrence of coal accumulation on the top of the screening plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a three-dimensional diagram of the heating device of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the suction fan in the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the screening plate in the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the conveyor belt in the utility model;

[0022] Figure 5 yes Figure 4 Enlarged view of point A.

[0023] Legend:

[0024] 1. Heating device; 11. Suction fan; 12. Drying device; 13. Heat pipe device; 14. Screening plate; 15. Cooling box; 16. Guide plate; 17. First connecting pipe; 18. Second connecting pipe; 19. Third connecting pipe; 2. Discharge chute; 21. Output motor; 22. Conveyor belt; 23. Rotating shaft; 24. First extrusion plate; 25. Second extrusion plate; 3. Collecting box; 31. Water pump; 32. Fourth connecting pipe; 4. Limiting column; 41. Cover plate; 5. Fixing plate; 51. Spring column; 52. Blocking plate; 6. Fitting rotating column; 7. Feed inlet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Specific examples are given below.

[0027] See also Figure 1 - Figure 4The utility model provides an auxiliary machine cooling mechanism with waste heat recovery function, including a heating device 1; a suction fan 11 is connected to a side wall of one side of the heating device 1; a drying device 12 is installed at the bottom of the inner side of the heating device 1; a heat pipe device 13 is connected to a side wall of the heating device 1 close to the suction fan 11; the heat pipe device 13 is sleeved on the outside of the drying device 12; a screening plate 14 is rotatably connected to the top of the heating device 1; cooling boxes 15 are arranged on both sides of the outside of the heating device 1; a guide plate 16 is fixed to the top of the inner side of the cooling box 15; a first connecting pipe 17 is connected to the inside of the cooling box 15; a second connecting pipe 18 is connected to the bottom of the first connecting pipe 17; a third connecting pipe 19 is connected to the top of the cooling box 15; when working, after the cooling box 15 is filled with water through the inner side of the third connecting pipe 19, the valve arranged on the second connecting pipe 18 can seal the water inside the cooling box 15, and the heat generated during the drying process of the drying device 12 inside the heating device 1 on the coal will enter the heat exchanger. The inner side of the pipe device 13 is connected, and the water inside the cooling box 15 is processed, and the cooling box 15 can keep the heating device 1 warm, and the heat pipe device 13 can keep the working suction fan 11 warm, thereby reducing the situation that the external air directly enters the heating device 1 through the inner side of the suction fan 11; when the heating device 1 is finished working and it is necessary to cool the inside of the heating device 1, the second connecting pipe 18 is opened, and the cooling water is filled into the cooling box 15 through the third connecting pipe 19, and the cooling water can discharge the hot water inside the cooling box 15 through the first connecting pipe 17 and the second connecting pipe 18 to the outside, thereby achieving the effect of heat dissipation and cooling of the heating device 1; during the operation of the heating device 1, the cooling box 15 can keep the heating device 1 warm, and the heat pipe device 13 can heat the outer surface of the suction fan 11, thereby reducing the situation that the invalid heat supply of the drying device 12 increases due to the connection between the suction fan 11 and the outside, and the overall device improves the heating efficiency of the heating device.

[0028] like Figure 2 - Figure 5As shown, a discharge trough 2 is provided on the side wall of the heating device 1 away from the suction fan 11; an output motor 21 is fixedly connected to one side wall of the heating device 1; a conveyor belt 22 is rotatably connected to the inner side of the heating device 1; a rotating shaft 23 is rotatably connected to the inner side of the conveyor belt 22; first extrusion plates 24 are fixedly connected to both ends of the outer side wall of the rotating shaft 23; a pair of second extrusion plates 25 are fixedly connected to the bottom of the screening plate 14; when working, the conveyor belt 22 can collect smaller coal slag from the screening inside of the screening plate 14, and start the output motor 21, The output motor 21 drives the conveyor belt 22 to rotate through the rotating shaft 23. During the rotation, the conveyor belt 22 can push the coal slag accumulated on the top toward the discharge trough 2, thereby improving the ease of collecting smaller-sized coal slag; and the rotating shaft 23 drives a pair of first extrusion plates 24 to rotate, and the first extrusion plates 24 can intermittently squeeze the second extrusion plates 25, so that the screening plate 14 vibrates back and forth up and down, which increases the speed at which the coal on the top of the screening plate 14 detaches, thereby reducing the occurrence of coal accumulation on the top of the screening plate 14.

[0029] like Figure 1 As shown, a collecting box 3 is provided at the bottom of the heating device 1; the collecting box 3 is communicated with the second connecting pipe 18; a water pump 31 is provided at one end of the collecting box 3 away from the heating device 1; a fourth connecting pipe 32 is provided on the top of the water pump 31; the fourth connecting pipe 32 is connected with the third connecting pipe 19; when working, the collecting box 3 can collect the water inside the cooling box 15, and when the heating device 1 needs to work, the water pump 31 is started, and the water pump 31 can draw the water inside the collecting box 3 upward through the fourth connecting pipe 32, so that the water inside the collecting box 3 enters the inside of the cooling box 15, thereby reducing the waste of water resources.

[0030] like Figure 1 As shown, a plurality of groups of limiting columns 4 are fixedly connected to the top of the collecting box 3; a cover plate 41 is slidably connected to the top of the limiting columns 4; when working, the limiting columns 4 and the cover plate 41 cooperate with each other, and the cover plate 41 can seal the top of the collecting box 3, thereby reducing the occurrence of external impurities entering the inside of the collecting box 3 through the top of the collecting box 3, and the overall device improves the cleanliness of the water inside the collecting box 3.

[0031] like Figure 3 - Figure 5 As shown, a fixed plate 5 is fixedly connected to the inner wall of the heating device 1; a plurality of groups of spring columns 51 are fixedly connected to the inner bottom of the fixed plate 5; a blocking plate 52 is slidably connected to the inner side of the fixed plate 5; when working, the plurality of groups of spring columns 51 push the blocking plate 52 to move inside the fixed plate 5, so that the top of the blocking plate 52 and the outer wall of the conveyor belt 22 fit each other, thereby reducing the occurrence of coal slag being discharged downward through the conveyor belt 22 near the end of the discharge trough 2.

[0032] like Figure 5 As shown, a fitting rotating column 6 is slidably connected to the top of the first extrusion plate 24; during operation, the fitting rotating column 6 rotates together with the process of the first extrusion plate 24 extruding the second extrusion plate 25. The fitting rotating column 6 can reduce the friction between the contact surfaces of the first extrusion plate 24 and the second extrusion plate 25, thereby increasing the service life of the first extrusion plate 24 and the second extrusion plate 25.

[0033] like Figure 2 As shown, a feed inlet 7 is fixedly connected to the top of the heating device 1; when working, the feed inlet 7 can guide the coal, thereby reducing the amount of coal falling to the outside during the process of entering the heating device 1.

[0034] Working principle: During operation, after the cooling box 15 is filled with water through the inner side of the third connecting pipe 19, the valve arranged on the second connecting pipe 18 can seal the water inside the cooling box 15. During the process of the drying device 12 inside the heating device 1 drying the coal, the heat generated will enter the inner side of the heat pipe device 13, and the water inside the cooling box 15 will be processed. The cooling box 15 can keep the heating device 1 warm, and the heat pipe device 13 can keep the working suction fan 11 warm, thereby reducing the situation where the external air directly enters the heating device 1 through the inner side of the suction fan 11. When the heating device 1 is finished working, it is necessary to cool the inside of the heating device 1. , open the second connecting pipe 18, and fill the cooling water into the cooling box 15 through the third connecting pipe 19. The cooling water can discharge the hot water inside the cooling box 15 to the outside through the first connecting pipe 17 and the second connecting pipe 18, so as to achieve the effect of heat dissipation and cooling of the heating device 1. During the operation of the heating device 1, the cooling box 15 can keep the heating device 1 warm, and the heat pipe device 13 can heat the outer surface of the suction fan 11, thereby reducing the increase in invalid heat supply of the drying device 12 caused by the connection between the suction fan 11 and the outside. The overall device improves the heating efficiency of the heating device. The conveyor belt 22 can screen the inner surface of the screening plate 14. The smaller coal slag is collected, and the output motor 21 is started. The output motor 21 drives the conveyor belt 22 to rotate through the rotating shaft 23. During the rotation, the conveyor belt 22 can push the coal slag accumulated on the top toward the discharge trough 2, thereby improving the simplicity of collecting the smaller coal slag; and the rotating shaft 23 drives a pair of first extrusion plates 24 to rotate, and the first extrusion plates 24 can intermittently squeeze the second extrusion plates 25, so that the screen plate 14 vibrates up and down, and the speed at which the coal on the top of the screen plate 14 is separated increases, thereby reducing the occurrence of coal accumulation on the top of the screen plate 14; the collecting box 3 can collect the water inside the cooling box 15. When the heating device 1 needs to be heated When working, start the water pump 31, and the water pump 31 can draw the water inside the collection box 3 upward through the fourth connecting pipe 32, so that the water inside the collection box 3 enters the inside of the cooling box 15, thereby reducing the waste of water resources; the limiting column 4 and the cover plate 41 cooperate with each other, and the cover plate 41 can seal the top of the collection box 3, thereby reducing the occurrence of external impurities entering the inside of the collection box 3 through the top of the collection box 3, and the overall device improves the cleanliness of the water inside the collection box 3; multiple groups of spring columns 51 push the blocking plate 52 to move inside the fixed plate 5, so that the top of the blocking plate 52 and the outer wall of the conveyor belt 22 fit each other, thereby reducing the occurrence of coal slag being discharged downward through the conveyor belt 22 near the end of the discharge trough 2;During the process of the first extrusion plate 24 extruding the second extrusion plate 25, the fitting rotating column 6 rotates together, and the fitting rotating column 6 can reduce the friction of the contact surface between the first extrusion plate 24 and the second extrusion plate 25, thereby improving the working life of the first extrusion plate 24 and the second extrusion plate 25; the feed port 7 can guide the coal material, thereby reducing the amount of coal material falling to the outside during the process of entering the interior of the heating device 1. ;

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An auxiliary machine cooling mechanism with waste heat recovery function, comprising a heating device (1); a side wall of one side of the heating device (1) is connected to a suction fan (11); the characteristics are: A drying device (12) is installed at the bottom of the inner side of the heating device (1); a heat pipe device (13) is connected to the side wall of the heating device (1) close to the suction fan (11); the heat pipe device (13) is sleeved on the outside of the drying device (12); a screening plate (14) is rotatably connected to the top of the heating device (1); cooling boxes (15) are provided on both sides of the outside of the heating device (1); a guide plate (16) is fixedly connected to the top of the inner side of the cooling box (15); a first connecting pipe (17) is connected to the inner side of the cooling box (15); a second connecting pipe (18) is connected to the bottom of the first connecting pipe (17); and a third connecting pipe (19) is connected to the top of the cooling box (15).

2. The auxiliary machine cooling mechanism with waste heat recovery function according to claim 1, characterized in that: A discharge trough (2) is provided on a side wall of the heating device (1) away from the suction fan (11); an output motor (21) is fixedly connected to one side wall of the heating device (1); a conveyor belt (22) is rotatably connected to the inner side of the heating device (1); a rotating shaft (23) is rotatably connected to the inner side of the conveyor belt (22); first extrusion plates (24) are fixedly connected to both ends of the outer side wall of the rotating shaft (23); and a pair of second extrusion plates (25) are fixedly connected to the bottom of the screening plate (14).

3. The auxiliary machine cooling mechanism with waste heat recovery function according to claim 1, characterized in that: A collecting box (3) is provided at the bottom of the heating device (1); the collecting box (3) is connected to a second connecting pipe (18); an end of the collecting box (3) away from the heating device (1) is connected to a water pump (31); a fourth connecting pipe (32) is connected to the top of the water pump (31); the fourth connecting pipe (32) is connected to the third connecting pipe (19).

4. The auxiliary machine cooling mechanism with waste heat recovery function according to claim 3 is characterized in that: A plurality of groups of limiting columns (4) are fixedly connected to the top of the collection box (3); a cover plate (41) is slidably connected to the top of the limiting columns (4).

5. The auxiliary machine cooling mechanism with waste heat recovery function according to claim 1, characterized in that: A fixing plate (5) is fixedly connected to the inner wall of the heating device (1); a plurality of groups of spring columns (51) are fixedly connected to the inner bottom of the fixing plate (5); and a blocking plate (52) is slidably connected to the inner side of the fixing plate (5).

6. The auxiliary machine cooling mechanism with waste heat recovery function according to claim 2, characterized in that: The top of the first extrusion plate (24) is slidably connected to a fitting rotating column (6).

7. The auxiliary machine cooling mechanism with waste heat recovery function according to claim 1, characterized in that: The top of the heating device (1) is fixedly connected with a material inlet (7).

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