CN219494396U - Coal feeding and paving device for coal-fired hot-blast stove - Google Patents
Coal feeding and paving device for coal-fired hot-blast stove Download PDFInfo
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- CN219494396U CN219494396U CN202320606617.2U CN202320606617U CN219494396U CN 219494396 U CN219494396 U CN 219494396U CN 202320606617 U CN202320606617 U CN 202320606617U CN 219494396 U CN219494396 U CN 219494396U
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Abstract
The coal feeding and spreading device of the coal-fired hot blast stove comprises a coal-fired stove, wherein a conveying chain for conveying coal into a hearth is arranged in the coal-fired stove, one end of the coal-fired stove is provided with a coal feeding hopper, a coal carding plate is arranged between the coal feeding hopper and the coal-fired stove, a plurality of comb teeth are arranged at intervals at the lower end of the coal carding plate, the coal carding plate is arranged at the inlet of the coal-fired stove, and the lower end of the comb teeth is close to the conveying chain. Through the fixed comb coal board that sets up in coal-fired stove entry, through the broach of comb coal board, under the drive of conveyer chain, form multichannel recess on the coal seam of spreading, flame burns to the centre from the recess, makes the more even of coal-fired burning.
Description
Technical Field
The utility model relates to the technical field of fertilizer production equipment, in particular to a coal feeding and paving device of a coal-fired hot blast stove.
Background
In the production of sulfur-based compound fertilizers, it is necessary to use a coal-fired hot air furnace to supply heat to the granulation system so that the granulation system can granulate. The on-site coal-fired hot-air furnace is characterized in that coal is filled into a coal inlet hopper through a conveying belt, and the coal in the coal inlet hopper is taken out to be paved on the conveying chain under the rotation of a conveying chain of the coal-fired hot-air furnace, so that the coal enters a hearth for combustion. The problem that runs into at present is because the fire coal only spreads through the conveying chain drive, and the fire coal thickness that spreads on the conveying chain is inhomogeneous to cause the fire coal thickness thinner position burning faster, and the thicker position is because the fire coal is comparatively closely knit, can not fire thoroughly fast, consequently makes fire coal burning inhomogeneous.
Disclosure of Invention
The utility model aims to solve the technical problems that: the coal-fired hot-blast stove coal feeding and spreading device is characterized in that a coal-fired plate is fixedly arranged at an inlet of a coal-fired stove, a plurality of grooves are formed on a spread coal bed under the driving of a conveying chain through comb teeth of the coal-fired plate, flame burns from adjacent grooves to the middle, and the combustion of the coal is more uniform.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the coal feeding and spreading device of the coal-fired hot blast stove comprises a coal-fired stove, wherein a conveying chain for conveying coal into a hearth is arranged in the coal-fired stove, one end of the coal-fired stove is provided with a coal feeding hopper, a coal carding plate is arranged between the coal feeding hopper and the coal-fired stove, a plurality of comb teeth are arranged at intervals at the lower end of the coal carding plate, the coal carding plate is arranged at the inlet of the coal-fired stove, and the lower end of the comb teeth is close to the conveying chain.
The coal-fired boiler is characterized in that connecting plates are fixedly mounted on two sides of an inlet of the coal-fired boiler respectively, mounting holes are formed in positions, corresponding to the connecting plates, of two ends of the coal-fired boiler, bolts are inserted into the mounting holes and then are in threaded connection with the connecting plates, and the coal-fired boiler is fixed on the connecting plates.
The comb teeth are of a triangular structure with the lower ends being tips, and the side, facing the upper coal hopper, of each comb tooth is provided with a blade part, so that the front parts of the comb teeth are narrow, and the rear parts of the comb teeth are wide.
A coal spreading plate is arranged between the upper coal bucket and the coal furnace, and is positioned between the upper coal bucket and the coal combing plate, and the coal spreading plate is connected with the coal furnace by one side of the coal furnace.
The coal spreading plate comprises a supporting plate, a transverse plate is arranged in the middle of one side of the supporting plate, which faces to the upper coal hopper, a shaping plate is arranged on the lower side of the transverse plate, and folding plates are respectively arranged at two ends of the shaping plate.
The position of the coal spreading plate can be adjusted up and down; the coal-fired stove comprises a supporting plate, a transverse plate, a sliding block, a sliding groove, a support, a lifting device and a coal spreading plate, wherein the sliding block is longitudinally arranged on one side, away from the transverse plate, of the supporting plate, the sliding groove is fixedly arranged above the coal-fired plate at the inlet of the coal-fired stove, the sliding block is in sliding fit with the sliding groove for guiding, the support is arranged above the inlet of the coal-fired stove, the lifting device is arranged on the support, and the lifting device is connected with the coal spreading plate, so that the coal spreading plate is driven to move and adjust up and down.
The lifting device comprises worm and gear lifters arranged on two sides of the support, the lower end of a longitudinal screw shaft of each worm and gear lifter is connected with a transverse plate of the coal spreading plate through a flange, input shafts between the worm and gear lifters on two sides are connected and transmitted through connecting shafts, a motor for driving the worm and gear lifters to rotate is arranged on the support, and an output shaft of the motor is connected and transmitted with the input shaft of one of the worm and gear lifters.
The utility model has the following beneficial effects:
1. a coal carding plate is arranged between the upper coal hopper and the coal furnace, a plurality of comb teeth are arranged at the lower end of the coal carding plate at intervals, the coal carding plate is arranged at the inlet of the coal furnace, and the lower end of the comb teeth is close to the conveying chain. Through the fixed comb coal board that sets up in coal-fired stove entry, through the broach of comb coal board, under the drive of conveyer chain, form multichannel recess on the coal seam of spreading, flame burns to the centre from the recess, and the coal burning is more even.
2. And a coal spreading plate is arranged between the upper coal bucket and the coal-fired furnace, the coal spreading plate is positioned between the upper coal bucket and the coal-combing plate, one side of the coal-fired furnace is connected with the coal-fired furnace by the coal spreading plate, the thickness of a coal layer on the conveying chain is more uniform by the coal spreading plate, the coal layer is scraped to be flat by the coal spreading plate, and then a groove is formed by combing through the coal-combing plate, so that the combustion effect of the coal is better.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic top view of the present utility model.
Fig. 4 is a schematic diagram of a front view structure of the present utility model.
Fig. 5 is a schematic diagram of a three-dimensional structure of a coal carding plate according to the utility model.
Fig. 6 is a schematic diagram of a three-dimensional structure of a coal spreading plate according to the present utility model.
In the figure: coal stove 1, support 11, conveyor chain 2, upper coal hopper 3, comb plate 4, mounting hole 41, connecting plate 42, bolt 43, comb teeth 44, blade 45, coal spreading plate 5, support plate 51, cross plate 52, shaping plate 53, gathering plate 54, slider 6, chute 7, lifting device 8, worm gear lifter 81, longitudinal screw shaft 82, flange 83, connecting shaft 84, motor 85.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-6, the coal-fired hot-blast stove coal feeding and spreading device comprises a coal-fired furnace 1, wherein a conveying chain 2 for conveying coal into a hearth is arranged in the coal-fired furnace 1, one end of the coal-fired furnace 1 is provided with an upper coal bucket 3, a coal carding plate 4 is arranged between the upper coal bucket 3 and the coal-fired furnace 1, a plurality of comb teeth 44 are arranged at the lower end of the coal carding plate 4 at intervals, the coal carding plate 4 is arranged at the inlet of the coal-fired furnace 1, and the lower end of the comb teeth 44 is close to the conveying chain 2. Through the fixed comb coal board 4 that sets up in coal-fired stove entry, through comb teeth 44 of comb coal board 4, under the drive of conveyer chain 2, form multichannel recess on the coal seam of spreading, flame burns to the centre from the recess, and the coal combustion is more even.
Further, referring to fig. 2, in order to facilitate installation of the coal carding plate 4, connecting plates 42 are fixedly installed at both sides of the inlet of the coal burning furnace 1, mounting holes 41 are formed at both ends of the coal carding plate 4 corresponding to the positions of the connecting plates 42, and bolts 43 are inserted into the mounting holes 41 and then are in threaded connection with the connecting plates 42, so that the coal carding plate 4 is fixed on the connecting plates 42. Of course, if the thickness of the coal seam is not substantially changed during production, the comb plate 4 may be welded directly to the inlet of the coal furnace 1.
Further, referring to fig. 5, in order to facilitate separation of the coal seam into grooves by the comb teeth 44, the comb teeth 44 have a triangular structure with a tip at the lower end, and a blade 45 is provided on a side of the comb teeth 44 facing the upper coal hopper 3, so that the comb teeth 44 are narrow in front and wide in rear.
Referring to fig. 1 and 2, in order to make the thickness of the coal seam on the conveying chain 2 more uniform, a coal spreading plate 5 is also installed between the upper coal bucket 3 and the coal furnace 1, the coal spreading plate 5 is located between the upper coal bucket 3 and the coal combing plate 4, and one side of the coal spreading plate 5 close to the coal furnace 1 is connected with the coal furnace 1. After the coal layer is scraped and leveled by the coal spreading plate 5, grooves are formed by combing through the coal combing plate 4, so that the combustion effect of the fire coal is better.
Specifically, referring to fig. 6, the coal spreading plate 5 includes a supporting plate 51, a transverse plate 52 is disposed in a middle portion of a side of the supporting plate 51 facing the upper coal bucket 3, a shaping plate 53 is disposed on a lower side of the transverse plate 52, and collecting plates 54 are disposed at two ends of the shaping plate 53 respectively. The furling plate 54 furls the coal near the two sides, and the shaping plate 53 scrapes the coal layer. Specifically, the collecting plates 54 on two sides are bell-mouthed, and the shaping plate 53 is an inclined plate or an outwards convex arc plate or an inwards concave arc plate.
Referring to fig. 4, in order to enable the coal-spreading plate 5 to adapt to coal seams of different thicknesses, the position of the coal-spreading plate 5 can be adjusted up and down. Specifically, a sliding block 6 is longitudinally arranged on one side of the supporting plate 51 far away from the transverse plate 52, a chute 7 is fixedly arranged above the coal-combing plate 4 at the inlet of the coal-fired furnace 1, the sliding block 6 and the chute 7 are in sliding fit guiding, a support 11 is arranged above the inlet of the coal-fired furnace 1, a lifting device 8 is arranged on the support 11, and the lifting device 8 is connected with the coal-spreading plate 5 so as to drive the coal-spreading plate 5 to move and adjust up and down. The lifting device 8 is driven to drive the coal spreading plate 5 to move up and down.
In a preferred embodiment, as shown in fig. 4, the lifting device 8 comprises worm and gear lifters 81 mounted on two sides of the support 11, the lower ends of longitudinal screw shafts 82 of the worm and gear lifters 81 are connected with the transverse plates 52 of the coal spreading plate 5 through flanges 83, input shafts between the worm and gear lifters 81 on two sides are connected and driven through connecting shafts 84, a motor 85 for driving the worm and gear lifters 81 to rotate is mounted on the support 11, and an output shaft of the motor 85 is connected and driven with the input shaft of one of the worm and gear lifters 81. The synchronous lifting and lowering of the coal spreading plate 5 is realized by the cooperation of the motor 85 and the worm gear lifter 81.
Besides the electric method for driving the coal spreading plate 5 to ascend and descend, the lifting device 8 can also be two screw rods, the two screw rods are respectively connected with the support 11 in a rotating mode, the lower ends of the screw rods are connected with the coal spreading plate 5 in a rotating mode, the upper ends of the screw rods are provided with handles, and the handles are rotated to drive the coal spreading plate 5 to ascend and descend.
The mounting hole 41 of the coal sheet 4 is a oval hole, so that the height of the coal sheet 4 can be adjusted within a certain range.
The working process and principle of the utility model are as follows:
the coal is filled into the coal inlet hopper through the conveying belt, the coal in the coal inlet hopper is brought out to be paved on the conveying chain under the rotation of the conveying chain of the coal hot blast stove, firstly, the furling plates of the coal spreading plates furl the coal close to the edges at two sides, and meanwhile, the coal seam is scraped to be smooth by the shaping plates. And then, the coal bed is combed into a plurality of grooves by the comb teeth of the coal combing plate under the drive of the conveying chain, and when the coal bed burns, flame burns from the grooves to the middle, so that the burning of the coal is more uniform.
Claims (7)
1. The utility model provides a coal-fired hot-blast furnace advances coal and divides shop device, includes coal-fired furnace (1), install in coal-fired furnace (1) and be used for carrying the coal to get into conveyer chain (2) of furnace, the one end of coal-fired furnace (1) is equipped with coal hopper (3), its characterized in that, install between coal hopper (3) and coal-fired furnace (1) comb coal board (4), comb coal board (4) lower extreme spaced is equipped with a plurality of broachs (44), and comb coal board (4) are installed in the entrance of coal-fired furnace (1), and the lower extreme of broach (44) is close to conveyer chain (2).
2. The coal-fired hot blast stove coal feeding and paving device according to claim 1, wherein: connecting plates (42) are fixedly arranged at two sides of an inlet of the coal-fired furnace (1), mounting holes (41) are formed in two ends of the coal carding plate (4) corresponding to the positions of the connecting plates (42), bolts (43) are inserted into the mounting holes (41) and then are in threaded connection with the connecting plates (42), and the coal carding plate (4) is fixed on the connecting plates (42).
3. The coal-fired hot blast stove coal feeding and paving device according to claim 1, wherein: the comb teeth (44) are of a triangular structure with the lower ends being tips, and a blade part (45) is arranged on one side of the comb teeth (44) facing the upper coal bucket (3), so that the comb teeth (44) are narrow in front and wide in back.
4. The coal-fired hot blast stove coal feeding and paving device according to claim 1, wherein: a coal spreading plate (5) is also arranged between the upper coal hopper (3) and the coal furnace (1), the coal spreading plate (5) is positioned between the upper coal hopper (3) and the coal combing plate (4), and one side of the coal spreading plate (5) is connected with the coal furnace (1) by leaning against the coal furnace (1).
5. The coal-fired hot blast stove coal feeding and paving device according to claim 4, wherein: the coal spreading plate (5) comprises a supporting plate (51), a transverse plate (52) is arranged in the middle of one side, facing the upper coal hopper (3), of the supporting plate (51), a shaping plate (53) is arranged on the lower side of the transverse plate (52), and folding plates (54) are respectively arranged at two ends of the shaping plate (53).
6. The coal-fired hot blast stove coal feeding and paving device according to claim 5, wherein: the position of the coal spreading plate (5) can be adjusted up and down; the utility model discloses a coal-fired stove, including coal-fired stove (1), backup pad (51), cross slab (52) are kept away from one side of longitudinally installing slider (6), the entry of coal-fired stove (1) is located the top fixed mounting of comb coal board (4) and has spout (7), slider (6) and spout (7) sliding fit direction, support (11) are installed to the entry top of coal-fired stove (1), install hoisting device (8) on support (11), hoisting device (8) are connected with stand coal board (5) to drive stand coal board (5) reciprocates the adjustment.
7. The coal-fired hot blast stove coal feeding and paving device according to claim 6, wherein: the lifting device (8) comprises worm and gear lifters (81) arranged on two sides of the support (11), the lower ends of longitudinal screw shafts (82) of the worm and gear lifters (81) are connected with a transverse plate (52) of the coal spreading plate (5) through flanges (83), input shafts between the worm and gear lifters (81) on two sides are connected and driven through connecting shafts (84), a motor (85) for driving the worm and gear lifters (81) to rotate is arranged on the support (11), and an output shaft of the motor (85) is connected and driven with the input shaft of one of the worm and gear lifters (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320606617.2U CN219494396U (en) | 2023-03-24 | 2023-03-24 | Coal feeding and paving device for coal-fired hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320606617.2U CN219494396U (en) | 2023-03-24 | 2023-03-24 | Coal feeding and paving device for coal-fired hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219494396U true CN219494396U (en) | 2023-08-08 |
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ID=87478523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320606617.2U Active CN219494396U (en) | 2023-03-24 | 2023-03-24 | Coal feeding and paving device for coal-fired hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219494396U (en) |
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2023
- 2023-03-24 CN CN202320606617.2U patent/CN219494396U/en active Active
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