CN201636886U - Coal-burning steam coal powder injection device - Google Patents
Coal-burning steam coal powder injection device Download PDFInfo
- Publication number
- CN201636886U CN201636886U CN2010201400329U CN201020140032U CN201636886U CN 201636886 U CN201636886 U CN 201636886U CN 2010201400329 U CN2010201400329 U CN 2010201400329U CN 201020140032 U CN201020140032 U CN 201020140032U CN 201636886 U CN201636886 U CN 201636886U
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- coal
- main body
- fineness
- pulverizer
- main shaft
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Abstract
A coal-burning steam coal powder injection device relates to a coal-burning boiler combustion-supporting device. The coal powder injection device comprises a main body of a coal pulverizer, a quantitative spiral conveyor, a fineness separator and an induced draft fan, and is characterized in that the main body of the coal pulverizer is equipped with a main shaft, flower disc-type crushing wheels are mounted on the main shaft, hammer heads are distributed on each flower disc-type crushing wheel, and the main shaft and a host motor are driven by a belt; a charging hopper is connected with a coal feeding pipe connected with the quantitative spiral conveyor, the quantitative spiral conveyor is connected with the coal inlet of the main body of the coal pulverizer and linked with a reducer, and the reducer is connected with a speed adjusting motor; and a coal outlet pipe is arranged above the case body of the coal pulverizer at the end where belt pulleys are arranged, the other end of the coal outlet pipe is connected with the inlet of the fineness separator, an air pipe is connected to the upper part of the fineness separator and communicated with the induced draft fan and a coal injection nozzle, and an electric control box controls the start/stop of all the motors. The utility model solves the problems of the present coal powder injection device of poor universality, single function, complicated structure, high system manufacturing cost and running cost, insufficient fuel combustion and energy and environmental pollution.
Description
Technical field
The utility model relates to a kind of coal-burning type boiler auxiliary combustion equipment.
Background technology
Coal powder blowing device mainly solves large-scale special technology aspects such as metallurgy, power generation mainly in blast-furnace coal powder injection technology and electric power combustion system at present, and its versatility is relatively poor, single, the complex structure of purposes, system's manufacturing cost and operating cost height; Half coal-burning type boiler device fuel combustion is insufficient, causes energy waste and environmental pollution.
Summary of the invention:
The purpose of this invention is to provide a kind of simple in structure, reduce system's manufacturing cost and operating cost, can be so that full combustion of fuel, raising fuel combustion value, heat distributing equilibrium during burning, save coal resources, reduce and pollute, and reach the reduction energy resource consumption, promote the boiler combustion temperature under the prerequisite that the reduction raw coal quality requires, thereby improve coal-burning type boiler cost height, pollute bigger situation, reach energy-saving and cost-reducing, be fit to the coal-burning type boiler breeze blowing device that general coal-burning type boiler uses.
The objective of the invention is to realize by following mode:
The coal-burning type boiler breeze blowing device, comprise the coal pulverizer main body, quantitative auger conveyor, the fineness sorter, air-introduced machine, Coal powder spray mouth and elevating hopper, it is characterized in that: the coal pulverizer main body is a cylindrical box, the position of center line of cylindrical box is installed the main shaft of coal pulverizer, the broken wheel of at least 3 group floral disc formulas of having installed on the main shaft, be evenly distributed to few 6 tups on the edge of the broken wheel of each floral disc formula, on one end of main shaft negative pulley wheel is installed, drive pulley is connected by belt with negative pulley wheel, the output of the motor drive pulley that is coupling, and the other end that casing is relative with negative pulley wheel is a coal feed point; The feed opening of elevating hopper is connected with coal unloading tube, the input port of the quantitative auger conveyor of another termination of coal unloading tube, quantitatively the output of auger conveyor is above coal pulverizer main body coal feed point, quantitatively auger conveyor is made up of rotating shaft, helical feed sheet, the helical feed sheet is housed on the rotating shaft, the output shaft of reductor is connected with rotating shaft, and the power shaft of reductor is connected with buncher; The belt pulley of coal pulverizer cylindrical box top has brought out coal outlet; coal output pipe one end is connected with the coal outlet of coal pulverizer cylindrical box top; the other end is connected with fineness sorter inlet; fineness sorter side-lower has the coal grain to reclaim mouth; coal grain recovery tube connects fineness sorting machine-made egg-shaped or honey-comb coal briquets grain and reclaims mouthful feeding port with the coal pulverizer main body; the fineness sorter top airduct of ining succession, airduct is being communicated with air-introduced machine and Coal powder spray mouth, electric control box control buncher and main motor start/stop action.
Advantage of the present invention is:
1. be equal under the normal conditions, coal-fired consumption reduces by 40%, reaches the emission reduction effect of economizing on coal.
2. coal is fully burned, and flue gas reduces, and its discarded object can be recycled, and reaches emission reduction effect.
3. fuel savings reduces the cost of material in the production process;
4. the stable row of elevator system, fire grate in original boiler, forced-and-induced draft fan does not re-use, and has reduced equipment failure rate;
5. promoted setting out of boiler.
Description of drawings
Fig. 1 is the schematic diagram of the utility model structure
Fig. 2 is the left view of the utility model structure chart 1;
Fig. 3 is the structural representation of the broken wheel of utility model floral disc formula;
Fig. 4 is the left view of Fig. 3.
The specific embodiment
Embodiment:
With reference to accompanying drawing, the coal-burning type boiler breeze blowing device, comprise coal pulverizer main body (10), quantitative auger conveyor (5), fineness sorter (18), air-introduced machine (21), Coal powder spray mouth (22) and elevating hopper (1), it is characterized in that: coal pulverizer main body (10) is a cylindrical box, the position of center line of cylindrical box is installed the main shaft (12) of coal pulverizer, the broken wheels of at least 3 group floral disc formulas (11) have been installed on the main shaft (12), be evenly distributed to few 6 tups (26) on the edge of the broken wheel of each floral disc formula (11), negative pulley wheel (16) is installed on one end of main shaft (12), drive pulley (14) is connected by belt (15) with negative pulley wheel (16), the output of main motor (13) drive pulley (14) that is coupling, the other end that casing is relative with negative pulley wheel is a coal feed point; The feed opening of elevating hopper (1) is connected with coal unloading tube (3), the input port of the quantitative auger conveyor of another termination (5) of coal unloading tube (3), quantitatively the output of auger conveyor (5) is in the top of coal pulverizer main body (10) coal feed point, quantitatively auger conveyor (5) is made up of rotating shaft (4), helical feed sheet (27), helical feed sheet (27) is housed on the rotating shaft (4), the output shaft of reductor (7) is connected with rotating shaft (4), and the power shaft of reductor (7) is connected with buncher (8); The belt pulley of coal pulverizer cylindrical box top has brought out coal outlet; coal output pipe (17) one ends are connected with the coal outlet of coal pulverizer cylindrical box top; the other end is connected with fineness sorter (18) inlet; fineness sorter (18) side-lower has the coal grain to reclaim mouth; coal grain recovery tube (19) connects fineness sorter (18) coal grain and reclaims mouthful feeding port with coal pulverizer main body (10); fineness sorter (18) the top airduct (20) of ining succession; airduct (20) is being communicated with air-introduced machine (21) and Coal powder spray mouth (22), electric control box (23) control buncher (8) and main motor (13) coal supply motor (2) start/stop action.
The broken wheel of floral disc formula (11) is a gear shape, and reinforcement fixed head (25) is arranged in the both sides of gear teeth, and there is tup (26) in the place ahead that the direction of motion of the broken wheel of floral disc formula is promptly strengthened fixed head.
Entire work process is: material loading-→ according to the quantitative helical feed coal supply of furnace temperature-→ with the coal grain carry out 3 grades of fragmentations-→ the fineness sorting of broken back-→ satisfactory coal dust by airduct coal powder injection mouth-→ be blown into burner hearth-→ burning.That is: at first the coal grain is put into elevating hopper (1); by coal unloading tube (3) the coal grain is sent into quantitative spiral coal supply (5); at this moment the rotating speed of buncher (8) is adjusted in electric control box (23) control; buncher (8) drives reductor (7) by axle to connecting; reductor (7) rotates and drives quantitative spiral coal supply axle (4); and then adjust the speed of quantitative spiral coal supply (5); coal pulverizer main shaft this moment (12) is connecting negative pulley wheel (16); main motor (13) also connects drive pulley (14); drive pulley (14) and negative pulley wheel (16) are by belt (15) transmission; thereby make fine coal main shaft (12) drive the broken wheel of floral disc formula (11) and do high speed rotating; the coal grain enters coal pulverizer main body (10) back by tup (26) fragmentation of the broken wheel of floral disc formula (11); through 3 grades of fragmentations; tentatively reach fineness requirement; air-introduced machine (21) is moved into fineness sorter (18) by adjusting air quantity drive coal dust; what meet fineness enters airduct (20); what do not meet fineness passes through screened time coal pulverizer main body of coal grain recovery tube (19) (10), broken again.The coal dust that meets fineness sprays into burner hearth through airduct (20) by Coal powder spray mouth (22), reaches the moment effect of combustion.
The utility model burning type boiler coal-ash blowing device, present boiler furnace is transformed, remove fire grate and forced-and-induced draft fan in the burner hearth, utilize original cinder retracting device that the coal dust that burnt is reclaimed then, be equal under the normal conditions, coal-fired consumption reduces by 40%, reaches the emission reduction effect of economizing on coal; Coal is fully burned, and flue gas reduces, and its discarded object can be recycled, and reaches emission reduction effect; Fuel savings reduces the cost of material in the production process; The stable row of elevator system, fire grate in original boiler, forced-and-induced draft fan does not re-use, and has reduced equipment failure rate; Promoted setting out of boiler.
Claims (2)
1. coal-burning type boiler breeze blowing device, comprise the coal pulverizer main body, quantitative auger conveyor, the fineness sorter, air-introduced machine, Coal powder spray mouth and elevating hopper, it is characterized in that: the coal pulverizer main body is a cylindrical box, the position of center line of cylindrical box is installed the main shaft of coal pulverizer, the broken wheel of at least 3 group floral disc formulas of having installed on the main shaft, be evenly distributed to few 6 tups on the edge of the broken wheel of each floral disc formula, on one end of main shaft negative pulley wheel is installed, drive pulley is connected by belt with negative pulley wheel, the output of the motor drive pulley that is coupling, and the other end that casing is relative with negative pulley wheel is a coal feed point; The feed opening of elevating hopper is connected with coal unloading tube, the input port of the quantitative auger conveyor of another termination of coal unloading tube, quantitatively the output of auger conveyor is above coal pulverizer main body coal feed point, quantitatively auger conveyor is made up of rotating shaft, helical feed sheet, the helical feed sheet is housed on the rotating shaft, the output shaft of reductor is connected with rotating shaft, and the power shaft of reductor is connected with buncher; The belt pulley of coal pulverizer cylindrical box top has brought out coal outlet; coal output pipe one end is connected with the coal outlet of coal pulverizer cylindrical box top; the other end is connected with fineness sorter inlet; fineness sorter side-lower has the coal grain to reclaim mouth; coal grain recovery tube connects fineness sorting machine-made egg-shaped or honey-comb coal briquets grain and reclaims mouthful feeding port with the coal pulverizer main body; the fineness sorter top airduct of ining succession, airduct is being communicated with air-introduced machine and Coal powder spray mouth, electric control box control buncher and main motor start/stop action.
2. coal-burning type boiler breeze blowing device according to claim 1, it is characterized in that: the broken wheel of described floral disc formula is installed on the main shaft by the floral disc seat, the broken wheel of floral disc formula is gear shape, in the both sides of gear teeth the reinforcement fixed head is arranged, there is tup in the place ahead that the direction of motion of the broken wheel of floral disc formula is promptly strengthened fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201400329U CN201636886U (en) | 2010-03-25 | 2010-03-25 | Coal-burning steam coal powder injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201400329U CN201636886U (en) | 2010-03-25 | 2010-03-25 | Coal-burning steam coal powder injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636886U true CN201636886U (en) | 2010-11-17 |
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ID=43081381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201400329U Expired - Fee Related CN201636886U (en) | 2010-03-25 | 2010-03-25 | Coal-burning steam coal powder injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250642A (en) * | 2011-06-03 | 2011-11-23 | 中国中煤能源股份有限公司 | Dry pulverized coal wet loading method and loading system using same |
| CN111348852A (en) * | 2020-04-02 | 2020-06-30 | 郑州三迪建筑科技有限公司 | Flame projecting system of ardealite calcining furnace |
-
2010
- 2010-03-25 CN CN2010201400329U patent/CN201636886U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250642A (en) * | 2011-06-03 | 2011-11-23 | 中国中煤能源股份有限公司 | Dry pulverized coal wet loading method and loading system using same |
| CN111348852A (en) * | 2020-04-02 | 2020-06-30 | 郑州三迪建筑科技有限公司 | Flame projecting system of ardealite calcining furnace |
| CN111348852B (en) * | 2020-04-02 | 2021-10-22 | 郑州三迪建筑科技有限公司 | Flame projecting system of ardealite calcining furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20130325 |