A coal mill for power plants

Abstract

The present application relates to the technical field of coal mill of power plant, in particular to a kind of coal mill of power plant, including coal mill structure, first protective housing, dust detector, support base, fixed support and second protective housing, dust detector is installed on the first protective housing, the rear end of the first protective housing is fixedly connected with second protective housing, the first protective housing, second protective housing are fixedly connected with coal mill structure, the lower end of the coal mill structure is fixedly supported by fixed support, the lower end of the fixed support is fixedly connected with support base;The coal mill structure includes intercommunication processing component, first protective plate and second protective plate, the upper end of the intercommunication processing component is fixedly connected with first protective plate, and the lower end of the intercommunication processing component is fixedly connected with second protective plate.The structure is set, and sealing production work is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of coal mill technology in power plant, in particular to a coal mill in power plant. BACKGROUND

[0002] The medium-speed roller disc mill is composed of a rotating grinding ring and three fixed and self-rotating grinding rollers rolling along the grinding ring. The raw coal to be ground falls from the central coal falling pipe of the mill onto the grinding ring. The rotating grinding ring moves the raw coal to the grinding track by centrifugal force. The three grinding rollers are evenly distributed on the grinding track in the circumferential direction. The grinding force is generated by the hydraulic loading system and uniformly acts on the three grinding rollers through the static three-point system. This force is transmitted to the foundation through the bottom plate after passing through the grinding ring, grinding roller, pressing frame, pull rod, transmission disc, speed reducer and hydraulic cylinder. The grinding and drying of the raw coal are carried out simultaneously. The primary air uniformly enters the surrounding of the grinding ring through the nozzle ring, dries and transports the coal powder mixture cut tangentially from the grinding ring to the separator at the upper part of the mill. The coarse powder is separated and returned to the grinding ring for regrinding. The qualified fine powder is carried out of the separator by the primary air.

[0003] At present, the existing coal mill in power plant has the problem of inconvenient high-efficiency grinding during use, and the pull rod position also needs to be sealed to reduce the overflow of powder. Therefore, improvements are made for the above problems. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a coal mill in power plant.

[0005] The technical scheme adopted by the present application to solve the technical problems is: a coal mill in power plant, comprising a pulverized coal mill structure, a first protective shell, a dust detector, a supporting base, a fixed support and a second protective shell, the first protective shell is provided with a dust detector, the rear end of the first protective shell is fixedly connected with a second protective shell, the first protective shell, the second protective shell and the pulverized coal mill structure are fixedly connected, the lower end of the pulverized coal mill structure is fixedly supported by a fixed support, and the lower end of the fixed support is fixedly connected with a supporting base.

[0006] The pulverized coal mill structure comprises a communication processing component, a first protective plate and a second protective plate, the upper end of the communication processing component is fixedly connected with a first protective plate, and the lower end of the communication processing component is fixedly connected with a second protective plate.

[0007] The communication processing component comprises a grinding mechanism and a communication processing mechanism, and the grinding mechanism is limitingly connected to the communication processing mechanism.

[0008] Specifically, the grinding mechanism comprises a fastening ring seat, a hydraulic communication rod, a combined seat, a grinding part, a first butt joint hinge seat, a fixed guide block, a hydraulic control rod, a fixed top block and a second butt joint hinge seat, the lower end of the fastening ring seat is provided with the hydraulic communication rod, the hydraulic communication rod can be adjusted in extension and retraction, the lower end of the hydraulic communication rod is limitingly connected with the combined seat, the upper end of the combined seat is fixedly connected with the fixed top block, the upper end of the fixed top block is hingedly provided with the second butt joint hinge seat, the lower end of the second butt joint hinge seat is fixedly connected with the hydraulic control rod, the lower end of the hydraulic control rod is hingedly provided with the fixed guide block through the first butt joint hinge seat, the lower end of the combined seat is fixedly connected with the grinding part, and the grinding part is fixed through the first protection shell and the second protection shell, so that the sealing installation work of the coal pulverizer structure is facilitated, dust detectors are arranged on the first protection shell and the second protection shell, the internal dust is conveniently detected, the lower end of the coal pulverizer structure is fixedly supported through the supporting base and the fixed support, the bearing capacity is improved, the fastening ring seat can change the position of the combined seat through the hydraulic communication rod, the hydraulic control rod can be extended and retracted in cooperation, the combined seat is driven to move longitudinally, the position of the grinding part is synchronously changed, the grinding part is extruded, the pressing is cooperated, the rolling wheel moves on the rotating disc, and the coal crushing work is performed.

[0009] Specifically, the grinding part comprises a butt joint seat frame, an inclined guide seat, an auxiliary motor, a spring buffer seat, a matching bearing and a rolling wheel, the upper end of the inclined guide seat is fixedly connected with the butt joint seat frame, the lower end of the inclined guide seat is fixedly installed with the auxiliary motor, the output rod of the auxiliary motor is penetrated through the matching bearing, and the auxiliary motor is fixed through the output rod and the rolling wheel, the matching bearing and the rolling wheel are relatively rotated, the spring buffer seat is arranged on the matching bearing, and the spring buffer seat is elastically connected between the lower end of the inclined guide seat and the matching bearing.

[0010] Specifically, the communication processing mechanism comprises a butt joint guide seat, a cyclone separator, a communication branch pipe, a filter screen seat and an isolation plate, the upper end of the filter screen seat is telescopically connected with the isolation plate, the upper end of the isolation plate is fixed through a rod to the combined seat, the lower end of the filter screen seat is communicatively provided with the communication branch pipe, the upper end of the communication branch pipe is installed with the cyclone separator, and the upper end of the cyclone separator is communicatively provided with the butt joint guide seat, through the structural arrangement of the communication processing mechanism, the guide control is facilitated, the coal blocks are conducted to the rotating disc through the feeding cylinder, the butt joint guide seat and the horn mouth, at the moment, the motor can drive the rotating disc to rotate through the speed reducer, so as to drive the coal blocks to rotate and cooperate with the rolling wheel to break and process, the broken coal ash is processed through the filter screen seat, and then is guided and discharged under the control of the butt joint guide seat, the cyclone separator and the communication branch pipe, so that the automatic production purpose is realized.

[0011] Specifically, the communication processing mechanism comprises a feeding cylinder, a butt joint material guiding seat, a horn mouth, a fixed mounting seat, a motor, a speed reducer and a rotating material disc, the lower end of the feeding cylinder is communicated with the butt joint material guiding seat, the lower end of the butt joint material guiding seat is communicated with the horn mouth, the rotating material disc is rotationally limited at the upper end of the filter screen seat, the lower end of the rotating material disc is fixedly connected with the speed reducer, the lower end of the speed reducer is butt joint communicated with the motor, and the motor is limit supported through the fixed mounting seat.

[0012] Specifically, the fastening ring seat is fixedly connected with the feeding cylinder, the inclined guide seat is fixedly connected with the combined seat through the butt joint seat frame, and the hydraulic control rod is arranged in an inclined structure.

[0013] Specifically, the lower end of the fixed guide block is fixedly connected with the second protective plate, the first protective plate is fixed with the upper end of the feeding cylinder and is also fixedly connected with the cyclone separator, the upper end of the fixed support is fixed with the second protective plate, and the supporting base supports the bottom of the fixed support.

[0014] Specifically, the rolling wheel is in opposite rotating contact with the rotating material disc, the isolation plate is provided with a groove, and the groove is arranged in matching with the grinding part.

[0015] Specifically, the hydraulic control rod drives the combined seat to longitudinally displace through the fixed top block and the second butt joint hinge seat, and the hydraulic communication rod limits the longitudinal position of the combined seat.

[0016] Specifically, the feeding cylinder is communicated with the horn mouth through the butt joint material guiding seat, the lower end of the horn mouth is communicated with the rotating material disc, and there is a gap between the rotating material disc and the filter screen seat.

[0017] The present application has the following advantages:

[0018] Firstly, the first protective shell and the second protective shell are used for fixing, so that the sealing installation work of the coal pulverizer structure is facilitated, dust detectors are arranged on the first protective shell and the second protective shell, so that the internal dust is conveniently detected, the lower end of the coal pulverizer structure is fixedly supported through the supporting base and the fixed support, the bearing capacity is improved, the position of the combined seat can be changed through the hydraulic communication rod, the hydraulic control rod can be telescopic matched, the combined seat is driven to longitudinally move, the position of the grinding part is synchronously changed, the grinding part is extruded, the rolling wheel is moved on the rotating material disc, and the coal crushing work is facilitated.

[0019] Secondly, the application is convenient for guiding and discharging control through the structural arrangement of the connecting processing mechanism. The coal blocks are conducted to the rotary material disc through the feeding cylinder, the butt joint material guiding base and the horn mouth. At this time, the motor can drive the rotary material disc to rotate through the speed reducer, so as to drive the coal blocks to rotate and cooperate with the crushing wheel to crush. The crushed coal ash is processed through the filter screen base, and then is guided and discharged under the control of the butt joint guiding base, the cyclone separator and the connecting branch pipe, so as to realize the automatic production purpose. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings and embodiments.

[0021] Figure 1 It is a front perspective view of the structure of the main body in the application;

[0022] Figure 2 It is an exploded view of the main body in the application;

[0023] Figure 3 It is a perspective view of the pulverized coal machine structure in the application;

[0024] Figure 4 It is a front perspective view of the structure of the connecting processing component in the application;

[0025] Figure 5 It is a perspective view of the grinding mechanism in the application;

[0026] Figure 6 It is a front perspective view of the structure of the grinding part in the application;

[0027] Figure 7 It is a perspective view of the connecting processing mechanism in the application;

[0028] Figure 8 It is an exploded view of the connecting processing mechanism in the application.

[0029] In the figure: 1-pulverized coal machine structure, 2-first protective shell, 3-dust detector, 4-supporting base, 5-fixing support, 6-second protective shell, 7-communicating processing component, 8-first protective plate, 9-second protective plate, 10-grinding mechanism, 11-communicating processing mechanism, 12-fastening ring seat, 13-hydraulic communicating rod, 14-combined seat, 15-grinding part, 16-first docking hinge seat, 17-fixing guide block, 18-hydraulic control rod, 19-fixing top block, 20-second docking hinge seat, 21-docking seat frame, 22-inclined guide seat, 23-assistant motor, 24-spring buffer seat, 25-matching bearing, 26-rolling wheel, 27-docking guide seat, 28-cyclone separator, 29-communicating branch pipe, 30-filter screen seat, 31-isolation plate, 32-feeding cylinder, 33-docking material guide seat, 34-horn mouth, 35-fixing mounting seat, 36-electric motor, 37-reducer, 38-rotating material disc. DETAILED DESCRIPTION

[0030] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person of ordinary skill in the art without making creative labor should belong to the scope of protection of the present application.

[0031] The present application will be further described below in combination with the drawings.

[0032] Embodiment 1:

[0033] As Figures 1-8As shown, the coal mill of the power plant of the present application comprises a coal mill structure 1, a first protective shell 2, a dust detector 3, a supporting base 4, a fixing support 5 and a second protective shell 6, the dust detector 3 is installed on the first protective shell 2, the rear end of the first protective shell 2 is fixedly connected with the second protective shell 6, the first protective shell 2 and the second protective shell 6 are fixedly connected with the coal mill structure 1, the lower end of the coal mill structure 1 is fixedly supported through the fixing support 5, the lower end of the fixing support 5 is fixedly connected with the supporting base 4, and the first protective shell 2 and the second protective shell 6 are fixed, so that the sealing installation work of the coal mill structure 1 is facilitated, and the dust detector 3 is arranged on the first protective shell 2 and the second protective shell 6, so that the internal dust detection is facilitated, the lower end of the coal mill structure 1 is fixedly supported through the supporting base 4 and the fixing support 5, the bearing capacity is improved, the fastening ring seat 12 can change the position of the combined seat 14 through the hydraulic communication rod 13, and the hydraulic control rod 18 can be extended and retracted in cooperation to drive the combined seat 14 to move longitudinally, so that the position of the grinding part 15 is changed synchronously, the grinding part 15 is extruded, the pressing is cooperated, the rolling wheel 26 moves on the rotating disc 38, and the coal crushing work is performed;

[0034] The coal mill structure 1 comprises a communication processing component 7, a first protective plate 8 and a second protective plate 9, the upper end of the communication processing component 7 is fixedly connected with the first protective plate 8, and the lower end of the communication processing component 7 is fixedly connected with the second protective plate 9, so that the supporting base 4 is fixed at the bottom, the upper end of the supporting base 4 is supported by the fixing support 5 for the coal mill structure 1, the fixing support 5 is fixed with the second protective plate 9, so that the support is facilitated, the first protective shell 2 and the second protective shell 6 are fixedly combined to realize closed processing, the dust detector 3 is installed on the first protective shell 2 and the second protective shell 6, so that the dust detection work in the first protective shell 2 and the second protective shell 6 is facilitated, and the first protective plate 8 can support the top of the communication processing component 7;

[0035] The communication processing component 7 comprises a grinding mechanism 10 and a communication processing mechanism 11, and the grinding mechanism 10 is limitingly connected with the communication processing mechanism 11.

[0036] The grinding mechanism 10 comprises a fastening ring seat 12, a hydraulic communication rod 13, a combined seat 14, a grinding part 15, a first butt joint hinge seat 16, a fixed guide block 17, a hydraulic control rod 18, a fixed top block 19 and a second butt joint hinge seat 20, the lower end of the fastening ring seat 12 is provided with the hydraulic communication rod 13, the hydraulic communication rod 13 can be extended and retracted, the lower end of the hydraulic communication rod 13 is limitingly connected with the combined seat 14, the upper end of the combined seat 14 is fixedly connected with the fixed top block 19, the upper end of the fixed top block 19 is hingedly provided with the second butt joint hinge seat 20, the lower end of the second butt joint hinge seat 20 is fixedly connected with the hydraulic control rod 18, the lower end of the hydraulic control rod 18 is hingedly provided with the fixed guide block 17 through the first butt joint hinge seat 16, and the lower end of the combined seat 14 is fixedly connected with the grinding part 15.

[0037] The grinding part 15 comprises a butt joint seat frame 21, an inclined guide seat 22, an auxiliary motor 23, a spring buffer seat 24, a matching bearing 25 and a rolling wheel 26, the upper end of the inclined guide seat 22 is fixedly connected with the butt joint seat frame 21, the lower end of the inclined guide seat 22 is fixedly installed with the auxiliary motor 23, the output shaft of the auxiliary motor 23 is penetrated through the matching bearing 25, and the auxiliary motor 23 is fixed with the rolling wheel 26 through the output shaft, the matching bearing 25 and the rolling wheel 26 are relatively rotated, the spring buffer seat 24 is arranged on the matching bearing 25 and is elastically connected between the lower end of the inclined guide seat 22 and the matching bearing 25.

[0038] The communication processing mechanism 11 comprises a butt joint guide seat 27, a cyclone separator 28, a communication branch pipe 29, a filter screen seat 30 and an isolation plate 31, the upper end of the filter screen seat 30 is telescopically connected with the isolation plate 31, the upper end of the isolation plate 31 is fixed with the combination seat 14 through a rod, the lower end of the filter screen seat 30 is communicated with the communication branch pipe 29, the upper end of the communication branch pipe 29 is installed with the cyclone separator 28, and the upper end of the cyclone separator 28 is communicated with the butt joint guide seat 27.

[0039] The communication processing mechanism 11 comprises an inlet cylinder 32, a butt joint guide seat 33, a horn mouth 34, a fixed mounting seat 35, an electric motor 36, a speed reducer 37 and a rotating material disc 38, the lower end of the inlet cylinder 32 is communicated with the butt joint guide seat 33, the lower end of the butt joint guide seat 33 is communicated with the horn mouth 34, the rotating material disc 38 is rotationally limited on the upper end of the filter screen seat 30, the lower end of the rotating material disc 38 is fixedly connected with the speed reducer 37, the lower end of the speed reducer 37 is communicated with the electric motor 36, the electric motor 36 is limit supported through the fixed mounting seat 35, the user guides the coal blocks into the inlet cylinder 32, the coal blocks are conducted to the horn mouth 34 through the inlet cylinder 32 and the butt joint guide seat 33, and the lower end of the horn mouth 34 is communicated with the rotating material disc 38, at this time, the coal blocks are on the rotating material disc 38, and the electric motor 36 can drive the rotating material disc 38 to rotate through the speed reducer 37, the fixed mounting seat 35 is arranged to facilitate the support of the electric motor 36, at this time, the auxiliary motor 23 can control the rolling wheel 26 to rotate on the matching bearing 25 through the output shaft, the spring buffer seat 24 is arranged to facilitate the buffer protection, the upper end of the inclined guide seat 22 is fixed with the combination seat 14 through the butt joint seat frame 21, at this time, the rotating material disc 38 rotates, and the auxiliary motor 23 drives the rolling wheel 26 to rotate, so that the coal blocks are crushed, then the coal ash is guided and discharged through the filter screen seat 30, conducted to the communication branch pipe 29, guided to the outside through the cyclone separator 28 and the butt joint guide seat 27, at the same time, the hydraulic communication rod 13 can cooperate with the hydraulic control rod 18 to drive the combination seat 14 to move, so that the combination seat 14 drives the grinding part 15 to move, can perform extrusion work, so that the coal blocks are crushed more completely, when the combination seat 14 moves, the isolation plate 31 can be telescopically matched to pull to perform internal sealing protection work.

[0040] The fastening ring seat 12 is fixedly connected with the feeding cylinder 32, the inclined guide seat 22 is fixedly connected with the combined seat 14 through the butt joint seat frame 21, and the hydraulic control rod 18 is arranged in an inclined shape.

[0041] The lower end of the fixed guide block 17 is fixedly connected with the second protective plate 9, the first protective plate 8 is fixed with the upper end of the feeding cylinder 32, and the first protective plate 8 is also fixedly connected with the cyclone separator 28, the upper end of the fixed support 5 is fixed with the second protective plate 9, and the support base 4 supports the bottom of the fixed support 5.

[0042] The rolling wheel 26 is in opposite rotating contact with the rotating disc 38, the isolation plate 31 is provided with a groove, and the groove is arranged in the grinding part 15, so as to facilitate connection and combination, realize internal sealing work, and the groove can be shielded by a curtain in the later period to prevent dust leakage again.

[0043] The hydraulic control rod 18 drives the combined seat 14 to longitudinally displace through the fixed top block 19 and the second butt joint hinge seat 20, and the hydraulic communication rod 13 limits the longitudinal position of the combined seat 14.

[0044] The feeding cylinder 32 is communicated with the horn mouth 34 through the butt joint guide seat 33, the lower end of the horn mouth 34 is communicated with the rotating disc 38, and there is a gap between the rotating disc 38 and the filter screen seat 30, so as to facilitate the discharging work and make the coal ash be introduced, thereby facilitating the subsequent processing and production purposes.

[0045] The working principle is that: in use, the supporting base 4 is fixed at the bottom, the upper end of the supporting base 4 is supported by the fixed support 5 of the coal pulverizer structure 1, the fixed support 5 is fixed with the second protective plate 9, convenient for supporting, the first protective shell 2 and the second protective shell 6 are combined and fixed, realize closed processing, the first protective shell 2 and the second protective shell 6 are provided with a dust detector 3, convenient for dust detection work in the first protective shell 2 and the second protective shell 6, the first protective plate 8 can be connected with the top of the processing part 7, when in use, the user introduces the coal block through the inlet cylinder 32, the coal block is conducted to the horn mouth 34 through the inlet cylinder 32 and the butt joint guide base 33, and the lower end of the horn mouth 34 is communicated with the rotating material disc 38, at this time, the coal block is on the rotating material disc 38, and the motor 36 can drive the rotating material disc 38 to rotate through the speed reducer 37, the fixed mounting seat 35 is arranged, convenient for supporting the motor 36, at this time, the auxiliary motor 23 can drive the rolling wheel 26 to rotate on the cooperating bearing 25 through the output shaft, the spring buffer seat 24 is arranged, convenient for buffering protection, the upper end of the inclined guide base 22 is fixed with the combined seat 14 through the butt joint seat frame 21, at this time, the rotating material disc 38 rotates, and the auxiliary motor 23 drives the rolling wheel 26 to rotate, so as to crush the coal block, then the coal ash is guided to the communicating branch pipe 29 through the filter screen seat 30, guided to the outside through the cyclone separator 28 and the butt joint guide base 27, at the same time, the hydraulic communication rod 13 can cooperate with the hydraulic control rod 18, drive the combined seat 14 to move, so that the combined seat 14 drives the grinding part 15 to move, can carry out extrusion work, so that the coal block is crushed more thoroughly, when the combined seat 14 moves, the isolation plate 31 can be pulled to extend and cooperate, carry out internal sealing protection work, complete the work.

[0046] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A coal mill for a power plant, characterized by: The dust detection device is characterized by comprising a pulverized coal machine structure (1), a first protective shell (2), a dust detector (3), a supporting base (4), a fixing support (5) and a second protective shell (6), the dust detector (3) is installed on the first protective shell (2), the rear end of the first protective shell (2) is fixedly connected with the second protective shell (6), the first protective shell (2) and the second protective shell (6) are fixedly connected with the pulverized coal machine structure (1), the lower end of the pulverized coal machine structure (1) is fixedly supported through the fixing support (5), and the lower end of the fixing support (5) is fixedly connected with the supporting base (4). The pulverized coal machine structure (1) comprises a communication processing component (7), a first protective plate (8) and a second protective plate (9), the upper end of the communication processing component (7) is fixedly connected with the first protective plate (8), and the lower end of the communication processing component (7) is fixedly connected with the second protective plate (9). The communication processing component (7) comprises a grinding mechanism (10) and a communication processing mechanism (11), and the grinding mechanism (10) is limitingly connected with the communication processing mechanism (11). The grinding mechanism (10) comprises a fastening ring seat (12), a hydraulic communication rod (13), a combination seat (14), a grinding part (15), a first butt joint hinge seat (16), a fixed guide block (17), a hydraulic control rod (18), a fixed top block (19) and a second butt joint hinge seat (20), the lower end of the fastening ring seat (12) is provided with the hydraulic communication rod (13), the hydraulic communication rod (13) can be adjusted in extension and retraction, the lower end of the hydraulic communication rod (13) is limitingly connected with the combination seat (14), the upper end of the combination seat (14) is fixedly connected with the fixed top block (19), the upper end of the fixed top block (19) is hingedly provided with the second butt joint hinge seat (20), the lower end of the second butt joint hinge seat (20) is fixedly connected with the hydraulic control rod (18), the lower end of the hydraulic control rod (18) is hingedly provided with the fixed guide block (17) through the first butt joint hinge seat (16), and the lower end of the combination seat (14) is fixedly connected with the grinding part (15). The communication processing mechanism (11) comprises a butt joint guide seat (27), a cyclone separator (28), a communication branch pipe (29), a filter screen seat (30) and an isolation plate (31), the upper end of the filter screen seat (30) is telescopically connected with the isolation plate (31), the upper end of the isolation plate (31) is fixed with the combination seat (14) through a rod, the lower end of the filter screen seat (30) is communicatively provided with the communication branch pipe (29), the upper end of the communication branch pipe (29) is mounted with the cyclone separator (28), and the upper end of the cyclone separator (28) is communicatively provided with the butt joint guide seat (27). The hydraulic control rod (18) drives the combination seat (14) to displace longitudinally through the fixed top block (19) and the second butt joint hinge seat (20), and the hydraulic communication rod (13) limits the longitudinal position of the combination seat (14).

2. A coal mill for a power plant as claimed in claim 1, characterized in that: The grinding part (15) comprises a butt joint seat frame (21), an inclined guide seat (22), an auxiliary motor (23), a spring buffer seat (24), a matching bearing (25) and a rolling wheel (26), the upper end of the inclined guide seat (22) is fixedly connected with the butt joint seat frame (21), the lower end of the inclined guide seat (22) is fixedly installed with the auxiliary motor (23), the output rod of the auxiliary motor (23) penetrates through the matching bearing (25), and the auxiliary motor (23) is fixed with the rolling wheel (26) through the output rod, the matching bearing (25) and the rolling wheel (26) rotate relatively, the spring buffer seat (24) is arranged on the matching bearing (25), and the spring buffer seat (24) is elastically connected between the lower end of the inclined guide seat (22) and the matching bearing (25).

3. A coal mill for a power plant as claimed in claim 2, characterised in that: The communication processing mechanism (11) comprises an inlet cylinder (32), a butt joint material guide seat (33), a horn mouth (34), a fixed mounting seat (35), a motor (36), a speed reducer (37) and a rotating material disc (38), the lower end of the inlet cylinder (32) is communicated with the butt joint material guide seat (33), the lower end of the butt joint material guide seat (33) is communicated with the horn mouth (34), the rotating material disc (38) is rotationally limited on the upper end of the filter screen seat (30), the lower end of the rotating material disc (38) is fixedly connected with the speed reducer (37), the lower end of the speed reducer (37) is communicated with the motor (36) in a butt joint mode, and the motor (36) is limitingly supported through the fixed mounting seat (35).

4. A coal mill for a power plant as claimed in claim 3, characterised in that: The fastening ring seat (12) is fixedly connected with the inlet cylinder (32), the inclined guide seat (22) is fixedly connected with the combined seat (14) through the butt joint seat frame (21), and the hydraulic control rod (18) is arranged in an inclined structure.

5. A coal mill for a power plant as claimed in claim 4, characterised in that: The lower end of the fixed guide block (17) is fixedly connected with the second protective plate (9), the first protective plate (8) is fixed with the upper end of the inlet cylinder (32) and is also fixedly connected with the cyclone separator (28), the upper end of the fixed support (5) is fixed with the second protective plate (9), and the support base (4) supports the bottom of the fixed support (5).

6. A coal mill for a power plant as claimed in claim 5, characterised in that: The rolling wheel (26) rotates in contact with the rotating material disc (38), the isolation plate (31) is provided with a groove, and the groove is arranged in the grinding part (15).

7. A coal mill for a power plant as claimed in claim 6, characterised in that: The inlet cylinder (32) is communicated with the horn mouth (34) through the butt joint material guide seat (33), the lower end of the horn mouth (34) is communicated with the rotating material disc (38), and there is a gap between the rotating material disc (38) and the filter screen seat (30).

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