Energy-saving coal crusher for thermal power plant

Abstract

The utility model belongs to the technical field of thermal power plant auxiliary equipment, and particularly relates to an energy-saving coal crusher for a thermal power plant. A crushing mechanism for crushing coal is arranged on the machine box, a supporting table is in bolting connection with the left side of the machine box, a box body is in bolting connection with the top of the supporting table, a fan is in bolting connection with the left side of the box body, an air inlet of the fan communicates with an air inlet pipe, and the right end of the air inlet pipe communicates with the left side of the box body. The center of the bottom of the machine box communicates with a discharging pipe. Through the structural design of a first motor, a driving gear, a driven gear, a water conveying pipe, a communicating frame, a water pump and a filter screen, after a fan sucks dust generated by crushing into a box body, the dust is purified in a manner of spraying, settling and filtering the dust, the communicating frame is driven to rotate, the dust is sprayed and settled more uniformly, the purification effect is improved, and the service life is prolonged. And pollution to the working environment caused by dust dissipation is avoided, and workers are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary equipment of thermal power plants, in particular to an energy-saving coal crusher for thermal power plants. Background Art

[0002] At present, most thermal power generation systems use pulverized coal furnaces. The pulverized coal burned in the pulverized coal furnace is made by grinding raw coal. Grinding the raw coal into pulverized coal and then sending it into the boiler for combustion can ensure the highest combustion efficiency.

[0003] The prior art announcement number CN212215666U discloses an energy-saving coal crusher for thermal power plants. The coal crushing and pulverizing method of the energy-saving coal crusher for thermal power plants has a fast discharge speed, low coal crushing resistance, significantly reduced power consumption, and is more energy-efficient. In addition, there is no mechanical impact sound during the crushing process and the working noise is low.

[0004] However, it still has the following shortcomings: although the coal crusher can crush the coal, it will generate a large amount of dust during the crushing of the coal. It is difficult for the coal crusher to purify the dust, and the dust leakage will pollute the working environment and cause damage to the respiratory tract of the workers. Therefore, in order to solve the above problems, an energy-saving coal crusher for thermal power plants is proposed. Utility Model Content

[0005] The technical problem to be solved by the present invention is that the existing technology has the disadvantage that it is difficult to purify the dust generated by crushing. For this reason, we propose an energy-saving coal crusher for thermal power plants.

[0006] The technical solution adopted by the utility model to solve its technical problems is: an energy-saving coal crusher for thermal power plants, comprising a chassis; the chassis is provided with a crushing mechanism for crushing coal materials, the left side of the chassis is bolted with a support platform, and the top of the support platform is bolted with a box body, the left side of the box body is bolted with a fan, the air inlet of the fan is connected with an air inlet pipe, and the right end of the air inlet pipe is connected with the left side of the box body, the air outlet of the fan is connected with an air outlet pipe, the right side of the box body is connected with a ventilation pipe, and the right end of the ventilation pipe passes through the chassis and is connected with a connecting ring, the bottom of the connecting ring is sequentially connected with an air suction head from left to right, the top of the connecting ring is bolted to the top of the inner cavity of the chassis, the center of the top of the chassis is connected with a funnel, the center of the bottom of the chassis is connected with a discharge pipe, and the inner cavity of the box body is provided with a dust removal mechanism.

[0007] Preferably, the dust removal mechanism includes a first motor, a driving gear, a driven gear, a water pipe, a connecting frame, a water pump and a filter screen. The top of the box body is bolted to the top box, and the left side of the top of the inner cavity of the top box is bolted to the first motor. The output shaft of the first motor is fixedly connected to the rotating shaft, and the surface key of the rotating shaft is connected to the driving gear. The right side of the driving gear is meshed with the driven gear, and the inner cavity key of the driven gear is connected to the water pipe. The bottom of the water pipe passes through the box body and is connected to the connecting frame. The bottom of the connecting frame From left to right, they are connected with nozzles in sequence. The bottom of the top box is rotatably connected to the surface of the water pipe through a bearing. A water pump is bolted to the right side of the bottom of the inner cavity of the box. The water inlet of the water pump is connected with the water inlet pipe, and the left end of the water inlet pipe is connected with a water storage frame. The bottom of the water storage frame is bolted to the bottom of the inner cavity of the box. The water outlet of the water pump is connected with a water outlet pipe, and the other end of the water outlet pipe passes through the box body and the top box in sequence and is rotatably connected to the top of the water pipe through a bearing. Filters are bolted to the left sides of the top and bottom of the inner cavity of the box.

[0008] Preferably, the crushing mechanism includes a second motor, an active roller, a driven roller and a first gear. The front of the chassis is bolted to the second motor through a fixed platform, the output shaft of the second motor is fixedly connected to the active roller, the surface key of the active roller is connected to the first gear, the right side of the first gear is meshed with the second gear, and the inner cavity key of the second gear is connected to the driven roller, the backs of the active roller and the driven roller both penetrate into the inner cavity of the chassis, and both sides of the front and back of the inner cavity of the chassis are rotatably connected to the surfaces of the active roller and the driven roller through bearings.

[0009] Preferably, filter plates are bolted to the tops of both sides of the inner cavity of the water storage frame.

[0010] Preferably, a first fixing member is bolted to the right side of the inner cavity of the box body, and the inner cavity of the first fixing member is bolted to the surface of the water outlet pipe, and a second fixing member is bolted to the top of the inner cavity of the top box body, and the inner cavity of the second fixing member is bolted to the surface of the water outlet pipe.

[0011] Preferably, guide plates are bolted to both sides of the bottom of the chassis, and the other side of the guide plates is bolted to the bottom of both sides of the inner cavity of the chassis.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model adopts the structural design of the first motor, driving gear, driven gear, water pipe, connecting frame, water pump and filter screen. After the fan sucks the dust generated by crushing into the box, it purifies it by spraying, settling and filtering the dust. The connecting frame is driven to rotate, which makes the dust spraying and settling more uniformly, improves the purification effect, avoids the pollution of the working environment caused by dust escape, and protects the workers.

[0014] 2. The utility model crushes the coal material through the active roller and the driven roller through the structural design of the second motor, the active roller, the driven roller and the first gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the chassis structure of the present utility model;

[0018] Figure 3 This is a cross-sectional view of the box body and top box structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 An enlarged view of the structure at point A is shown.

[0020] In the figure: 1. Chassis; 2. Crushing mechanism; 21. Second motor; 22. Active roller; 23. Driven roller; 24. First gear; 3. Box body; 4. Fan; 5. Connecting ring; 6. Dust removal mechanism; 61. First motor; 62. Active gear; 63. Driven gear; 64. Water pipe; 65. Connecting frame; 66. Water pump; 67. Filter; 7. Top box; 8. Water storage frame; 9. Filter plate. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying 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.

[0022] The following is combined with Figure 1-4 To further explain this application,

[0023] The embodiment of the present application discloses an energy-saving coal crusher for a thermal power plant. Figure 1 and Figure 2The air inlet of fan 4 is connected with the air inlet pipe, and the right end of the air inlet pipe is connected with the left side of box body 3, and the air outlet of fan 4 is connected with the air outlet pipe. The right side of box body 3 is connected with a ventilation pipe, and the right end of the ventilation pipe passes through box body 1 and is connected with a connecting ring 5. The bottom of connecting ring 5 is connected with suction heads in sequence from left to right, and the top of connecting ring 5 is bolted to the top of the inner cavity of box body 1. The center of the top of box body 1 is connected with a funnel, and the center of the bottom of box body 1 is connected with a discharge pipe. The inner cavity of box body 3 is provided with a dust removal mechanism 6. When the fan 4 is turned on in use, the fan 4 sucks dust into box body 3 through the ventilation pipe, connecting ring 5 and suction head to prevent dust from escaping.

[0024] Reference Figure 3 and Figure 4 The dust removal mechanism 6 includes a first motor 61, a driving gear 62, a driven gear 63, a water pipe 64, a connecting frame 65, a water pump 66 and a filter 67. The top of the box body 3 is bolted with a top box 7, and the left side of the top of the inner cavity of the top box 7 is bolted with the first motor 61. The output shaft of the first motor 61 is fixedly connected to the rotating shaft, and the surface key of the rotating shaft is connected to the driving gear 62. The right side of the driving gear 62 is meshed with the driven gear 63. The inner cavity key of the driven gear 63 is connected to the water pipe 64. The bottom of the water pipe 64 passes through the box body 3 and is connected to the connecting frame 65. The bottom of the connecting frame 65 is connected to the nozzles from left to right. The bottom of 7 is rotatably connected to the surface of the water pipe 64 through a bearing, and a water pump 66 is bolted to the right side of the bottom of the inner cavity of the box body 3. The water inlet of the water pump 66 is connected to the water inlet pipe, and the left end of the water inlet pipe is connected to the water storage frame 8. The bottom of the water storage frame 8 is bolted to the bottom of the inner cavity of the box body 3, and the water outlet of the water pump 66 is connected to the water outlet pipe, and the other end of the water outlet pipe passes through the box body 3 and the top box 7 in sequence and is rotatably connected to the top of the water pipe 64 through a bearing. The left side of the top and bottom of the inner cavity of the box body 3 are bolted with a filter screen 67; the dust-laden gas sucked into the box body 3 is sprayed and settled and then filtered to remove dust in the gas to avoid dust pollution of the working environment.

[0025] Reference Figure 1 and Figure 2The crushing mechanism 2 includes a second motor 21, an active roller 22, a driven roller 23 and a first gear 24. The front of the chassis 1 is bolted with the second motor 21 through a fixed platform, and the output shaft of the second motor 21 is fixedly connected to the active roller 22. The surface key of the active roller 22 is connected to the first gear 24, and the right side of the first gear 24 is meshed with the second gear, and the inner cavity key of the second gear is connected to the driven roller 23. The backs of the active roller 22 and the driven roller 23 both penetrate the inner cavity of the chassis 1, and both sides of the front and back of the inner cavity of the chassis 1 are rotatably connected to the surfaces of the active roller 22 and the driven roller 23 through bearings; the user pours coal into the funnel, and then the coal enters the chassis 1. The second motor 21 drives the active roller 22 to rotate, thereby driving the first gear 24 to rotate, and then driving the second gear to rotate. Then the second gear drives the driven roller 23 to rotate, crushing the coal. The crushed coal enters the discharge pipe through the guide plate and is discharged from the chassis 1.

[0026] Reference Figure 3 , filter plates 9 are bolted to the tops of both sides of the inner cavity of the water storage frame 8; the water falling into the water storage frame 8 is filtered to remove dust in the water to prevent dust from entering the interior of the water pump 66 with the water.

[0027] Reference Figure 3 A first fixing part is bolted to the right side of the inner cavity of the box body 3, and the inner cavity of the first fixing part is bolted to the surface of the water outlet pipe. A second fixing part is bolted to the top of the inner cavity of the top box 7, and the inner cavity of the second fixing part is bolted to the surface of the water outlet pipe; the water outlet pipe is fixed to improve the stability of the water outlet pipe.

[0028] Reference Figure 3 , guide plates are bolted on both sides of the bottom of the chassis 1, and the other side of the guide plates is bolted to the bottom of both sides of the inner cavity of the chassis 1; it is convenient to quickly guide the crushed coal out of the chassis 1.

[0029] Working principle: When the coal is crushed, the fan 4 is turned on, and the fan 4 sucks the dust into the box 3 through the ventilation pipe, the connecting ring 5 and the suction head, and the water pump 66 and the first motor 61 are turned on. The water pump 66 transports water to the water pipe 64. At this time, the water pipe 64 transports the water to the connecting frame 65, and then sprays it out through the nozzle. The first motor 61 drives the rotating shaft to rotate, thereby driving the driving gear 62 to rotate, and then drives the driven gear 63 to rotate. Then the driven gear 63 drives the water pipe 64 to rotate, and the water pipe 64 drives the connecting frame 65 to rotate, and the dust-laden gas is evenly settled. The filter plate 9 filters the falling water to remove the dust in the water. Then the gas is filtered by the filter mesh 67 and discharged from the box 3.

[0030] 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 are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An energy-saving coal crusher for thermal power plants, characterized by: The invention comprises a chassis (1); the chassis (1) is provided with a crushing mechanism (2) for crushing coal materials, the left side of the chassis (1) is bolted with a support platform, and the top of the support platform is bolted with a box body (3), the left side of the box body (3) is bolted with a fan (4), the air inlet of the fan (4) is connected with an air inlet pipe, and the right end of the air inlet pipe is connected with the left side of the box body (3), the air outlet of the fan (4) is connected with an air outlet pipe, the right side of the box body (3) is connected with a ventilation pipe, and the right end of the ventilation pipe passes through the chassis (1) and is connected with a connecting ring (5), the bottom of the connecting ring (5) is sequentially connected with an air suction head from left to right, the top of the connecting ring (5) is bolted with the top of the inner cavity of the chassis (1), the center of the top of the chassis (1) is connected with a funnel, the center of the bottom of the chassis (1) is connected with a discharge pipe, and the inner cavity of the box body (3) is provided with a dust removal mechanism (6).

2. The energy-saving coal crusher for thermal power plants according to claim 1, characterized in that: The dust removal mechanism (6) comprises a first motor (61), a driving gear (62), a driven gear (63), a water pipe (64), a connecting frame (65), a water pump (66) and a filter (67). The top of the box body (3) is bolted to a top box (7). The left side of the top of the inner cavity of the top box (7) is bolted to the first motor (61). The output shaft of the first motor (61) is fixedly connected to a rotating shaft, and the surface key of the rotating shaft is connected to the driving gear (62). The right side of the driving gear (62) is meshed with the driven gear (63). The inner cavity key of the driven gear (63) is connected to the water pipe (64). The bottom of the water pipe (64) passes through the box body (3) and is connected to the connecting frame (67). 5), the bottom of the connecting frame (65) is connected to the nozzles in sequence from left to right, the bottom of the top box (7) is rotatably connected to the surface of the water pipe (64) through a bearing, a water pump (66) is bolted to the right side of the bottom of the inner cavity of the box body (3), the water inlet of the water pump (66) is connected to the water inlet pipe, and the left end of the water inlet pipe is connected to the water storage frame (8), the bottom of the water storage frame (8) is bolted to the bottom of the inner cavity of the box body (3), the water outlet of the water pump (66) is connected to the water outlet pipe, and the other end of the water outlet pipe passes through the box body (3) and the top box (7) in sequence and is rotatably connected to the top of the water pipe (64) through a bearing, and the left side of the top and bottom of the inner cavity of the box body (3) are bolted to the filter screen (67).

3. The energy-saving coal crusher for thermal power plants according to claim 1, characterized in that: The crushing mechanism (2) comprises a second motor (21), a driving roller (22), a driven roller (23) and a first gear (24); the front of the chassis (1) is bolted to the second motor (21) via a fixed platform; the output shaft of the second motor (21) is fixedly connected to the driving roller (22); the surface of the driving roller (22) is keyed to the first gear (24); the right side of the first gear (24) is meshed with a second gear, and the inner cavity of the second gear is keyed to the driven roller (23); the back surfaces of the driving roller (22) and the driven roller (23) both extend through the inner cavity of the chassis (1); and both sides of the front and back surfaces of the inner cavity of the chassis (1) are rotatably connected to the surfaces of the driving roller (22) and the driven roller (23) via bearings.

4. The energy-saving coal crusher for thermal power plants according to claim 2, characterized in that: Filter plates (9) are bolted to the tops of both sides of the inner cavity of the water storage frame (8).

5. The energy-saving coal crusher for thermal power plants according to claim 2, characterized in that: A first fixing member is bolted to the right side of the inner cavity of the box body (3), and the inner cavity of the first fixing member is bolted to the surface of the water outlet pipe. A second fixing member is bolted to the top of the inner cavity of the top box (7), and the inner cavity of the second fixing member is bolted to the surface of the water outlet pipe.

6. The energy-saving coal crusher for thermal power plants according to claim 1, characterized in that: Guide plates are bolted to both sides of the bottom of the chassis (1), and the other side of the guide plates is bolted to the bottoms of both sides of the inner cavity of the chassis (1).

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