CN202709163U - Reverse spiral type coal distributing device of chain-grate boiler - Google Patents
Reverse spiral type coal distributing device of chain-grate boiler Download PDFInfo
- Publication number
- CN202709163U CN202709163U CN 201120557423 CN201120557423U CN202709163U CN 202709163 U CN202709163 U CN 202709163U CN 201120557423 CN201120557423 CN 201120557423 CN 201120557423 U CN201120557423 U CN 201120557423U CN 202709163 U CN202709163 U CN 202709163U
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- coal
- spiral
- auger
- poker
- sheet
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Abstract
A reverse spiral type coal distributing device of a chain-grate boiler comprises a coal bunker and a variable speed motor and is characterized in that a first auger and a second auger are arranged inside the coal bunker in a parallel mode, a first auger shaft of the first auger is provided with spiral auger pieces, and a second auger shaft of the second auger is provided with spiral auger pieces. The variable speed motor drives the first auger to rotate, the second auger is driven to rotate, the two groups of spiral auger pieces which are arrayed reversely on each auger shaft are enabled to rotate, fire coal inside a coal drop pipe is enabled to be conveyed and move multiple times towards two sides from middle and towards middle from two sides. The problems of coal clogging and coal blockage are solved, coal briquette and coal powder are mixed completely, even coal seam is achieved, so that coal combustion is complete, and coal-saving effect is good.
Description
Technical field
The utility model relates to a kind of boiler drawing-in device, particularly relates to the reverse spiral cloth device for coal that uses in a kind of boiler coal bunker.
Background technology
Now widely used coal-burning boiler, when coal handling system when advancing coal to coal bunker, bunker coal is by from reentering coal bunker, because of oarse-grained coal cinder natural packing in the coal bunker both sides, coal dust then concentrates on the feed bin mid portion, causing the fire grate air feed inhomogeneous, leaks out seriously in the fire grate both sides, and the fire grate middle part is deficiency in draught then, fired coal combustion is insufficient in the boiler, reduce the utilization rate of fuel, caused the serious waste of fuel, improved heat cost.
In addition, north of china in winter is cold, and coal-fired the generation when coal yard freezed piece, when coal enters coal bunker and coal spout place, is prone to canopy coal and chute blockage problem, directly affects the normal operation of boiler.
The utility model content
The purpose of this utility model is to provide a kind of chain-grate boiler reverse spiral cloth device for coal for problems of the prior art, can efficiently solve canopy coal and chute blockage problem that coal-fired piece in the coal bunker, fine coal skewness problem and winter occur.
The technical scheme that adopts is:
The reverse spiral cloth device for coal of a kind of chain type boiler comprises the first screw feeder, the second screw feeder and variable speed electric motors, particularly, it is characterized in that:
The first screw feeder and the second screw feeder are set in parallel in the coal bunker of chain-grate boiler, are equiped with the spiral-poker sheet on the screw conveyor shaft of the first screw feeder, are equiped with the spiral-poker sheet on the screw conveyor shaft of the second screw feeder; One end of the first screw feeder is supported by the clutch shaft bearing in the clutch shaft bearing seat that is installed on the coal bunker sidewall, and the other end of the first screw feeder is supported by the second bearing in the second bearing block that is installed on the coal bunker right side wall; One end of the second screw feeder is supported by the 3rd bearing in the 3rd bearing block that is installed on the coal bunker left side wall, and the other end of the second screw feeder is supported by the 4th bearing in the 4th bearing block that is installed on the coal bunker right side wall;
One end of the first screw conveyor shaft of the first screw feeder is equiped with the clutch shaft bearing end cap, and the other end of the first screw conveyor shaft of the first screw feeder is equiped with the first sprocket wheel by the output shaft connection of variable speed electric motors, particularly;
One end of the second screw conveyor shaft of the second screw feeder is equiped with the second bearing (ball) cover; The other end of the second screw conveyor shaft of the second screw feeder is equiped with the second sprocket wheel, and the first sprocket wheel passes through the corresponding connection of chain with the second sprocket wheel;
The spiral-poker sheet of installing on the first screw conveyor shaft of the first screw feeder is comprised of first group of spiral-poker sheet and second group of spiral-poker sheet, and the hand of spiral of first group of spiral-poker sheet is opposite with the hand of spiral of second group of spiral-poker sheet;
The spiral-poker sheet of installing on the second screw conveyor shaft of the second screw feeder is comprised of the 3rd group of spiral-poker sheet and the 4th group of spiral-poker sheet, and the hand of spiral of the 3rd group of spiral-poker sheet is opposite with the hand of spiral of the 4th group of spiral-poker sheet.
Drive the rotation of the first screw feeder by variable speed electric motors, particularly, and drive the second screw feeder rotation, two groups of reverse spiral-poker sheets that are discharged on each screw conveyor shaft are rotated, make fire coal in the coal spout by the centre to both sides, repeatedly transmit and move by producing in the middle of two side direction, solved the problem of canopy coal, chute blockage, coal cinder and coal face are mixed fully, realize even coal seam, it is more abundant that coal combustion is got, and effect of coal saving is good.
The configuration power drive system also can share the transmission system operation with traveling-grate stoker or stratified combustion equipment.All kinds of chain-grate boilers that are fit to various tonnages, different size.
Description of drawings
Fig. 1 is a kind of example structure schematic diagram of the present utility model.
The specific embodiment
The reverse spiral cloth device for coal of a kind of chain-grate boiler, comprise that balance is arranged on the first screw feeder 1 and the second screw feeder 2 in the coal bunker 3 of chain-grate boiler, one end of the first screw feeder 1 is supported by the clutch shaft bearing 5 in the clutch shaft bearing seat 4 on the left side wall 6 that is installed in the coal bunker 3, the other end of the first screw feeder 1 is supported by the second bearing 9 in the second bearing block 8 on the right side wall 7 that is installed in coal bunker 3, one end of the second screw feeder 2 is supported by the 3rd bearing 11 in the 3rd bearing block 10 on the left side wall 6 that is installed in coal bunker 3, and the other end of the second screw feeder 2 is supported by the 4th bearing 13 in the 4th bearing block 12 on the right side wall 7 that is installed in coal bunker 3;
The first screw conveyor shaft 14 of the first screw feeder 1 is driving shaft, one end of the first screw conveyor shaft 14 is equiped with clutch shaft bearing end cap 23, the other end dress of the first screw conveyor shaft 14 is connected with the output shaft of variable speed electric motors, particularly 15 and is equiped with the first sprocket wheel 16, be equiped with the second bearing (ball) cover 24 on one end of the second screw conveyor shaft 18 of the second screw feeder 2, the other end of the second screw conveyor shaft 18 of the second screw feeder 2 is equiped with the second sprocket wheel 17, the first sprocket wheels 16 and passes through the corresponding connection of chain with the second sprocket wheel 17;
It is opposite with the hand of spiral of second group of spiral-poker sheet 20 with 20, the first groups of spiral-poker sheets 19 of second group of spiral-poker sheet to be equiped with respectively first group of spiral-poker sheet 19 on the first screw conveyor shaft 14 of the first screw feeder 1, i.e. reverse arrangement;
It is opposite with the hand of spiral of the 4th group of spiral-poker sheet 22 with 22, the three groups of spiral-poker sheets 21 of the 4th group of spiral-poker sheet to be equiped with respectively the 3rd group of spiral-poker sheet 21 on the second screw conveyor shaft 18 of the second screw feeder 2, i.e. reverse arrangement.
Claims (3)
1. reverse spiral cloth device for coal of chain-grate boiler, comprise coal bunker (3), variable speed electric motors, particularly (15), it is characterized in that in coal bunker (3), being arranged with in parallel the first screw feeder (1) and the second screw feeder (2), be equiped with the spiral-poker sheet on first screw conveyor shaft (14) of the first screw feeder (1), be equiped with the spiral-poker sheet on second screw conveyor shaft (18) of the second screw feeder (2).
2. the reverse spiral cloth device for coal of a kind of chain-grate boiler according to claim 1, it is characterized in that: the spiral-poker sheet of the upper installing of the screw conveyor shaft (14) of the first screw feeder (1) is comprised of first group of spiral-poker sheet (19) and second group of spiral-poker sheet (20), and first group of spiral-poker sheet (19) is opposite with the hand of spiral of second group of spiral-poker sheet (20); The spiral-poker sheet of the upper installing of second screw conveyor shaft (18) of the second screw feeder (2) is comprised of the 3rd group of spiral-poker sheet (21) and the 4th group of spiral-poker sheet (22), and the 3rd group of spiral-poker sheet (21) is opposite with the hand of spiral of the 4th group of spiral-poker sheet (22).
3. the reverse spiral cloth device for coal of a kind of chain-grate boiler according to claim 1 and 2, an end that it is characterized in that the first screw conveyor shaft (14) is connected with the output shaft of variable speed electric motors, particularly (15) and is equiped with the first sprocket wheel (16), one end of the second screw conveyor shaft (18) is equiped with the second sprocket wheel (17), and the first sprocket wheel (16) passes through the corresponding connection of chain with the second sprocket wheel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120557423 CN202709163U (en) | 2011-12-28 | 2011-12-28 | Reverse spiral type coal distributing device of chain-grate boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120557423 CN202709163U (en) | 2011-12-28 | 2011-12-28 | Reverse spiral type coal distributing device of chain-grate boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202709163U true CN202709163U (en) | 2013-01-30 |
Family
ID=47589460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120557423 Expired - Fee Related CN202709163U (en) | 2011-12-28 | 2011-12-28 | Reverse spiral type coal distributing device of chain-grate boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202709163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185347A (en) * | 2011-12-28 | 2013-07-03 | 沈阳达源节能环保科技有限公司 | Reverse spiral coal distribution device of chain-grate boiler |
-
2011
- 2011-12-28 CN CN 201120557423 patent/CN202709163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185347A (en) * | 2011-12-28 | 2013-07-03 | 沈阳达源节能环保科技有限公司 | Reverse spiral coal distribution device of chain-grate boiler |
| CN103185347B (en) * | 2011-12-28 | 2016-07-06 | 沈阳达源节能环保科技有限公司 | A kind of reverse spiral cloth device for coal of chain-grate boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20161228 |