CN216844719U

CN216844719U - Single-roller slag crusher for bottom slag of coal-fired boiler

Info

Publication number: CN216844719U
Application number: CN202220318286.8U
Authority: CN
Inventors: 雍天放; 杜松岩; 徐润超; 王玲; 高原
Original assignee: Qingdao Hongshengyuan Electric Power Equipment Co ltd
Current assignee: Qingdao Hongshengyuan Electric Power Equipment Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-28
Anticipated expiration: 2032-02-17

Abstract

The utility model relates to a slag crusher technical field, and a coal fired boiler bottom of the furnace sediment is with single roll slag crusher is disclosed, which comprises a housing, the internal fixed surface of casing is equipped with the slag crusher board, the inner wall rotation of casing is equipped with the pivot, the fixed cover of axle wall of pivot is equipped with the crushing roller, the fixed motor that is equipped with of lateral wall of casing, the output and the pivot fixed connection of motor, the fixed air exhauster that is equipped with of lateral wall of casing, the end intercommunication of breathing in of air exhauster is equipped with the trachea, tracheal other end intercommunication is equipped with the head of bleeding, the head of bleeding is connected with the casing contact, and the slope sets up, is equipped with between trachea and the casing and uses the reciprocating motion mechanism that the drive head of bleeding removed. The utility model discloses can smash the in-process at coal-fired end sediment and suction particles such as floater and dust that produce, improve the disintegrating slag feature of environmental protection.

Description

Single-roller slag crusher for bottom slag of coal-fired boiler

Technical Field

The utility model relates to a slag crusher technical field especially relates to a coal fired boiler bottom of furnace sediment is with single roll slag crusher.

Background

The coal-fired boiler is a boiler using coal as fuel, and refers to a heat energy power device which releases heat through combustion of the coal in a hearth and heats heat medium water or other organic heat carriers to a certain temperature, and a large amount of coal needs to be used.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology, the coal bottom slag after combustion needs to be crushed by a slag crusher in the use process of the existing coal-fired boiler, and the air environment is influenced due to the generation of floaters and dust accompanying the coal crushing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the influence is caused to the air quality by easily generating dust and floaters in the coal-fired pulverization in the prior art, and providing a single-roller slag crusher for the bottom slag of a coal-fired boiler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a coal fired boiler bottom single roll slag crusher for sediment, includes the casing, the internal fixed surface of casing is equipped with the slag crusher, the inner wall of casing rotates and is equipped with the pivot, the fixed cover of axle wall of pivot is equipped with the crushing roller, the fixed motor that is equipped with of lateral wall of casing, the output and the pivot fixed connection of motor, the fixed air exhauster that is equipped with of lateral wall of casing, the end intercommunication of breathing in of air exhauster is equipped with the trachea, tracheal other end intercommunication is equipped with the head of taking out air, the head of taking out air is connected with the casing contact to the slope sets up, be equipped with between trachea and the casing and use the drive the reciprocating motion mechanism that the head of taking out air removed.

Preferably, reciprocating motion mechanism includes reciprocal lead screw, the fixed plate that is equipped with two symmetries and sets up is kept away from one side of pivot to the casing lateral wall, reciprocal lead screw rotates and locates two between the fixed plate, the pole wall thread bush of reciprocal lead screw is equipped with the slider, the slider is connected with the casing contact to with trachea fixed connection.

Preferably, the tail ends of the rod walls of the reciprocating screw rod and the rotating shaft are fixedly sleeved with belt pulleys, and a belt is arranged in each belt pulley in a transmission mode.

Preferably, the trachea is the bellows, tracheal interlude is equipped with the chimney filter through the flange intercommunication, the inside fixed filter screen that is equipped with of chimney filter.

Preferably, one side of the slag crushing plate close to the crushing roller is fixedly provided with a plurality of crushing teeth arranged at intervals.

Preferably, a cover plate is hinged to one side, away from the reciprocating screw rod, of the outer side wall of the machine shell, and a feeding groove is formed in the side wall of the cover plate.

Compared with the prior art, the utility model provides a coal fired boiler bottom of a furnace sediment is with single roll slag crusher possesses following beneficial effect:

1. this coal fired boiler is single-roller slag crusher for bottom sediment through pivot, motor, crushing roller, garrulous sediment board, broken tooth, reciprocating motion mechanism, trachea, suction head and the air exhauster that is equipped with, can be at the broken in-process of coal-fired bottom sediment, through the suction of air exhauster, carries out effectual absorption to floater and dust etc. that the garrulous sediment in-process produced, avoids the dust to disperse to the air in as far as possible.

2. This coal fired boiler is single-roller slag crusher for bottom sediment through trachea, chimney filter and the filter screen that is equipped with, can filter large granule thing, avoids the particulate matter to get into the steady operation that influences the air exhauster in the air exhauster as far as possible.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can smash the in-process at coal-fired end sediment and aspirate granules such as floater and the dust that produce, avoids the smoke and dust to disperse to the air as far as possible, has improved the disintegrating slag feature of environmental protection.

Drawings

FIG. 1 is a schematic structural view of a single-roller slag crusher for bottom slag of a coal-fired boiler according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a machine shell 1, a slag crushing plate 2, a rotating shaft 3, a crushing roller 4, a motor 5, an exhaust fan 6, an air pipe 7, an air extraction head 8, a reciprocating screw rod 9, a fixing plate 10, a sliding block 11, a belt pulley 12, a belt 13, a flange 14, a filter tube 15, a filter screen 16, crushing teeth 17 and a cover plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a coal fired boiler bottom slag single roll slag crusher for sediment, which comprises a housing 1, the internal fixation of housing 1 is equipped with slag crusher board 2, the inner wall of housing 1 rotates and is equipped with pivot 3, the fixed cover of shaft wall of pivot 3 is equipped with crushing roller 4, it extrudes the completion breakage with slag crusher board 2 extrusion through crushing roller 4 promotion end sediment, the fixed motor 5 that is equipped with of lateral wall of housing 1, motor 5's output and pivot 3 fixed connection, stabilize through motor 5 drive crushing roller 4 and rotate, the fixed air exhauster 6 that is equipped with of lateral wall of housing 1, the end intercommunication of breathing in of air exhauster 6 is equipped with trachea 7, trachea 7's other end intercommunication is equipped with air extraction head 8, air extraction head 8 is connected with housing 1 contact, and the slope sets up, be equipped with the reciprocating motion mechanism who drives air extraction head 8 removal between trachea 7 and housing 1.

Reciprocating motion mechanism includes reciprocal lead screw 9, and the fixed plate 10 that is equipped with two symmetries and sets up is kept away from one side of pivot 3 to casing 1 lateral wall, and reciprocal lead screw 9 rotates and locates between two fixed plates 10, and the pole wall screw thread cover of reciprocal lead screw 9 is equipped with slider 11, and slider 11 is connected with casing 1 contact to with trachea 7 fixed connection, through the contact of slider 11 with casing 1, carry on spacingly to trachea 7 and the lateral shifting of the head 8 that bleeds.

The tail ends of the rod walls of the reciprocating screw rod 9 and the rotating shaft 3 are fixedly sleeved with belt pulleys 12, belts 13 are arranged in the two belt pulleys 12 in a transmission mode, and the rotating shaft 3 and the reciprocating screw rod 9 can rotate simultaneously through the transmission of the belt pulleys 12 and the belts 13.

Trachea 7 is the bellows, and trachea 7's interlude is equipped with chimney filter 15 through flange 14 intercommunication, and chimney filter 15's inside is fixed and is equipped with filter screen 16, can filter the floater of disintegrating slag in-process suction through filter screen 16, avoids getting into in air exhauster 6 as far as possible.

One side that the slag breaking plate 2 is close to the crushing roller 4 is fixed and is equipped with the broken tooth 17 that a plurality of intervals set up, through the setting of broken tooth 17, can fully contact with the outer wall of crushing roller 4 when end sediment is broken, improves the broken sufficiency of end sediment.

One side of the outer side wall of the machine shell 1, which is far away from the reciprocating screw rod 9, is hinged with a cover plate 18, the side wall of the cover plate 18 is provided with a feed chute, the machine shell 1 can be sealed through the cover plate 18 when bottom slag is broken, broken slag is prevented from splashing from the inside of the machine shell 1 when broken as much as possible, and the safety of the broken slag is improved.

In the utility model, when the coal-fired bottom slag is needed to be crushed, the cover plate 18 is rotated to the upper part of the shell 1, the crushing roller 4, the slag crushing plate 2 and the air exhaust head 8 are closed, so that the bottom slag enters the shell 1 through the feed chute, meanwhile, the motor 5 is started, the motor 5 drives the rotating shaft 3 and the crushing roller 4 to rotate, the bottom slag on the slag crushing plate 2 is in extrusion contact with the crushing teeth 17 through the roller wall of the crushing roller 4, the crushing of the bottom slag is completed, in the process, the reciprocating screw rod 9 and the rotating shaft 3 are simultaneously rotated through the transmission of the belt pulley 12 and the belt 13, the slide block 11 on the rod wall of the reciprocating screw rod 9 drives the air pipe 7 to reciprocate along the shell 1, the air pipe 7 drives the air exhaust head 8 to move in the shell 1, and the suction of the exhaust fan 6 is matched, floaters and the like generated in the bottom slag crushing process are sucked and enter the filter pipe 15, the filter screen 16 is used for effective filtration, all the parts are closed after the slag crushing is finished, the filter pipe 15 is taken down from the air pipe 7, and the filter screen 16 is cleaned.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A single-roller slag crusher for bottom slag of a coal-fired boiler comprises a shell (1) and is characterized in that, a slag crushing plate (2) is fixedly arranged on the inner surface of the casing (1), a rotating shaft (3) is rotatably arranged on the inner wall of the casing (1), the shaft wall of the rotating shaft (3) is fixedly sleeved with a crushing roller (4), the outer side wall of the casing (1) is fixedly provided with a motor (5), the output end of the motor (5) is fixedly connected with the rotating shaft (3), the outer side wall of the casing (1) is fixedly provided with an exhaust fan (6), an air pipe (7) is communicated with the air suction end of the exhaust fan (6), an air suction head (8) is communicated with the other end of the air pipe (7), the air suction head (8) is in contact connection with the casing (1), and the air pipe (7) and the shell (1) are obliquely arranged, and a reciprocating mechanism for driving the air pumping head (8) to move is arranged between the air pipe (7) and the shell.

2. The single-roller slag crusher for the bottom slag of the coal-fired boiler according to claim 1, wherein the reciprocating mechanism comprises a reciprocating screw rod (9), two symmetrically arranged fixed plates (10) are fixedly arranged on one side of the outer side wall of the casing (1) far away from the rotating shaft (3), the reciprocating screw rod (9) is rotatably arranged between the two fixed plates (10), a sliding block (11) is sleeved on a rod wall thread of the reciprocating screw rod (9), and the sliding block (11) is in contact connection with the casing (1) and is fixedly connected with the air pipe (7).

3. The single-roller slag crusher for the bottom slag of the coal-fired boiler according to claim 2, characterized in that belt pulleys (12) are fixedly sleeved at the tail ends of the rod walls of the reciprocating screw rod (9) and the rotating shaft (3), and a belt (13) is arranged inside the two belt pulleys (12) in a transmission manner.

4. The single-roller slag crusher for the bottom slag of the coal-fired boiler according to claim 1, wherein the air pipe (7) is a corrugated pipe, a filter pipe (15) is communicated with the middle section of the air pipe (7) through a flange (14), and a filter screen (16) is fixedly arranged inside the filter pipe (15).

5. The single-roller slag crusher for the bottom slag of the coal-fired boiler according to claim 1, characterized in that one side of the slag crushing plate (2) close to the crushing roller (4) is fixedly provided with a plurality of crushing teeth (17) arranged at intervals.

6. The single-roller slag crusher for the bottom slag of the coal-fired boiler according to claim 1, characterized in that a cover plate (18) is hinged to one side of the outer side wall of the casing (1) far away from the reciprocating screw rod (9), and a feeding chute is formed in the side wall of the cover plate (18).