CN112902129A - High-efficient pulverized coal combustion steam boiler - Google Patents
High-efficient pulverized coal combustion steam boiler Download PDFInfo
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- CN112902129A CN112902129A CN202110102400.3A CN202110102400A CN112902129A CN 112902129 A CN112902129 A CN 112902129A CN 202110102400 A CN202110102400 A CN 202110102400A CN 112902129 A CN112902129 A CN 112902129A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/02—Structural details of mounting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/02—Arrangements of fans or blowers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The utility model provides a high-efficient pulverized coal combustion steam boiler, comprising a main body, main part one end is equipped with feeding mechanism, main part inner chamber one end is equipped with the burning chamber, the burning intracavity portion is equipped with combustion-supporting mechanism, the burning chamber is equipped with rabbling mechanism in combustion-supporting mechanism bottom, the burning chamber top is equipped with steam boiler, the main part is equipped with waste heat heating mechanism in burning chamber one end, the main part is equipped with collection mechanism in waste heat heating mechanism bottom, waste heat heating mechanism includes the waste heat chamber, waste heat chamber one end fixedly connected with baffle, the baffle top has some fixedly connected with flue gas pipeline, the main part is close to waste heat chamber one end fixedly connected with second backup pad, the welding of second backup pad top has: through opening the second air-blower, inside inhaling fresh air and entering into the blast pipe, through the peripheral flue gas pipeline of blast pipe, heat the inside fresh air of blast pipe, prevent that colder air from getting into the combustion chamber in, taking away partial heat, influence the efficiency of device.
Description
Technical Field
The invention relates to a pulverized coal combustion device, in particular to an efficient pulverized coal combustion steam boiler, and belongs to the technical field of boiler equipment.
Background
The boiler is an energy conversion device, can convert chemical energy and electric energy into steam energy, can directly provide heat energy required by industrial production and people life through the steam, and generally provides energy sources by using coal, gas and fuel oil or electricity.
However, the existing pulverized coal combustion steam boiler has low efficiency, and in order to improve the combustion efficiency of pulverized coal, a large amount of air needs to be provided in a box boiler, but the air temperature is low, and after the air is fed, a part of heat can be taken away, so that the combustion efficiency is influenced.
Disclosure of Invention
The invention aims to overcome the defects that the existing pulverized coal combustion steam boiler has low efficiency, a large amount of air needs to be provided in a box boiler in order to improve the combustion efficiency of pulverized coal, but the air temperature is low, a part of heat can be taken away after the air is fed, the combustion efficiency is influenced, and the operation of a device is influenced because residues generated after the existing pulverized coal is combusted easily block a discharge port and are not easy to discharge, so that the efficient pulverized coal combustion steam boiler is provided.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a high-efficiency pulverized coal combustion steam boiler which comprises a main body, wherein one end of the main body is provided with a feeding mechanism, one end of an inner cavity of the main body is provided with a combustion chamber, a combustion-supporting mechanism is arranged in the combustion chamber, the combustion chamber is provided with a stirring mechanism at the bottom of the combustion-supporting mechanism, the top of the combustion chamber is provided with a steam boiler, one end of the main body, which is close to the combustion chamber, is provided with a waste heat heating mechanism, the bottom of the waste heat heating mechanism of the main body is provided with a collecting mechanism, the waste heat heating mechanism comprises a waste heat chamber, one end of the waste heat chamber is fixedly connected with a partition plate, the top of the partition plate is fixedly connected with a flue gas pipeline, one end of the main body.
According to a preferable technical scheme of the invention, the feeding mechanism comprises a first supporting plate, one end of the first supporting plate is fixedly connected to the outer wall of the main body, the top of the first supporting plate is fixedly connected with a feeding box, one end of the first supporting plate, far away from the feeding box, is fixedly connected with a first air blower, one end of the first air blower is fixedly connected with the feeding box through an air supply pipe, the bottom of the first supporting plate is fixedly connected with a supporting rod, and one end of the supporting rod, far away from the first supporting plate, is fixedly connected to the outer wall of the main body.
As a preferred technical scheme, the combustion-supporting mechanism comprises a fixed plate, the fixed plate is fixedly connected inside the combustion chamber, the top of the fixed plate is fixedly connected with a slag discharging net, the top of the slag discharging net is fixedly connected with a combustion net, the bottom of the fixed plate is fixedly connected with a slag discharging pipe, one end of the combustion net is fixedly connected with a coal inlet pipeline, and one end, far away from the combustion net, of the coal inlet pipeline is fixedly connected to the inner wall of the combustion chamber.
As a preferred technical scheme of the invention, the stirring mechanism comprises a fixed frame, the fixed frame is fixedly connected to the combustion cavity, the fixed frame is fixedly connected with a motor through a bolt, the output end of the motor is fixedly connected with a rotating shaft, and one end of the rotating shaft, far away from the motor, is fixedly connected with stirring fan blades.
As a preferred technical scheme, the steam boiler comprises an insulation box, the insulation box is fixedly connected to one end of the top of a main body, a water tank is fixedly connected inside the insulation box, a heating pipe is fixedly connected to the bottom of the water tank, a residual heat pipe is fixedly connected to one end, close to the heating pipe, of the water tank, a spiral pipe is fixedly connected to one end, far away from the water tank, of the residual heat pipe, and the spiral pipe is fixedly connected inside the main body.
According to a preferable technical scheme, the collecting mechanism comprises a collecting box, the collecting box is fixedly connected inside the waste heat cavity, the bottom of the inner cavity of the collecting box is fixedly connected with a water pump, one end of the top of the water pump is fixedly connected with a water inlet pipe, one end of the top of the water pump, far away from the water inlet pipe, is fixedly connected with a water spray pipe, and one end of the inner cavity of the collecting box, far away from the water pump, is provided with a slag.
As a preferred technical scheme of the invention, the flue gas pipeline penetrates through the partition plate to be connected with the combustion cavity, the flue gas pipeline is spiral, the flue gas pipeline is wound on the outer wall of the blast pipe, the bottom of the flue gas pipeline is fixedly connected with the collecting box, the bottom of the second supporting plate is fixedly connected with the supporting rod, and the second supporting plate is fixedly connected to the outer wall of the main body through the supporting rod.
As a preferred technical scheme, the top of the feeding box is fixedly connected with a trapezoidal feeding hole, one end of the feeding box is fixedly connected with a coal feeding pipeline through a pipeline, and the first air blower is fixedly connected with a dust screen.
As a preferred technical scheme of the invention, the slag discharging net is provided with a slag discharging hole, the combustion net is of a trapezoidal structure with a large upper part and a small lower part, the combustion net is provided with a through hole, the slag discharging pipe is an inclined pipe, and one end of a combustion cavity of the slag discharging pipe is fixedly connected with a slag inlet.
The invention has the following beneficial effects:
1. the contact area of the pulverized coal and air is increased through the combustion net of the combustion-supporting mechanism, so that the pulverized coal is fully combusted, the combustion efficiency is increased, and the slag discharge pipe is fixedly connected to the bottom of the fixing plate, so that waste slag is discharged conveniently.
2. The motor of the stirring mechanism is opened to drive the stirring fan blades to rotate, so that the stirring fan blades drive the waste residues to rotate and move, and the waste residues are prevented from blocking the residue discharge net and being incapable of being discharged.
3. Through opening the second air-blower, inside inhaling fresh air and entering into the blast pipe, through the peripheral flue gas pipeline of blast pipe, heat the inside fresh air of blast pipe, prevent that colder air from getting into the combustion chamber in, taking away partial heat, influence the efficiency of device.
4. Inside getting into the collecting box of collection mechanism through the waste gas with among the flue gas pipeline, opening the water pump of the inside fixed connection of collecting box, the water pump is through the inlet tube water extraction, from the spray pipe blowout for the flue gas cools off fast, prevents that high temperature flue gas from causing the injury.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front cross-sectional structural view of the present invention;
FIG. 2 is a schematic front view of the stirring mechanism of the present invention;
FIG. 3 is a schematic top view of the combustion supporting mechanism of the present invention;
FIG. 4 is a front cross-sectional structural schematic view of the collection mechanism of the present invention;
FIG. 5 is a schematic front view of the steam boiler of the present invention;
FIG. 6 is a schematic side view of the steam boiler of the present invention.
In the figure: 1. a main body; 2. a feeding mechanism; 21. a first support plate; 22. a feeding box; 23. a first blower; 24. an air supply pipe; 25. a strut; 3. a combustion chamber; 4. a combustion-supporting mechanism; 41. a fixing plate; 42. a slag discharge net; 43. a combustion net; 44. a slag discharge pipe; 45. a coal inlet pipe; 5. a stirring mechanism; 51. a fixed mount; 52. a motor; 53. a rotating shaft; 54. a stirring fan blade; 6. a steam boiler; 61. a heat preservation box; 62. a water tank; 63. heating a tube; 64. residual heat pipes; 65. a spiral tube; 7. a waste heat heating mechanism; 71. a waste heat chamber; 72. a partition plate; 73. a flue gas duct; 74. a second support plate; 75. a second blower; 76. a blast pipe; 8. a collection mechanism; 81. a collection box; 82. a water pump; 83. a water inlet pipe; 84. a water spray pipe; 85. a slag inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-6, the invention relates to a high-efficiency pulverized coal combustion steam boiler, which comprises a main body 1, wherein one end of the main body 1 is provided with a feeding mechanism 2 for feeding fresh air while feeding pulverized coal, one end of an inner cavity of the main body 1 is provided with a combustion chamber 3, a combustion-supporting mechanism 4 is arranged in the combustion chamber 3 for facilitating combustion and increasing the contact area of the pulverized coal and the air, the combustion chamber 3 is provided with a stirring mechanism 5 at the bottom of the combustion-supporting mechanism 4 for facilitating the stirring of coal slag, so that the coal slag can be smoothly discharged, the blockage is prevented, and the combustion efficiency is influenced, the top of the combustion chamber 3 is provided with a steam boiler 6, one end of the combustion chamber 3 of the main body 1 is provided with a waste heat heating mechanism 7 for heating the air through heated flue gas, the air is heated, the bottom of the waste heat heating mechanism 7 of the main body, the one end fixedly connected with baffle 72 of waste heat chamber 71, there is a little fixedly connected with flue gas pipeline 73 at baffle 72 top, main part 1 is close to waste heat chamber 71 one end fixedly connected with second backup pad 74, support fixedly connected with second air-blower 75 through second backup pad 74, the welding has second air-blower 75 in second backup pad 74 top, second air-blower 75 one end fixedly connected with blast pipe 76, heat the inside air of blast pipe 76 through flue gas pipeline 73, blast pipe 76 through second backup pad 74 one end fixed connection provides the hot air for combustion chamber 3.
Wherein, feeding mechanism 2 includes first backup pad 21, first backup pad 21 one end fixed connection is on 1 outer wall of main part, first backup pad 21 top fixedly connected with feeding case 22, first backup pad 21 is kept away from the first air-blower 23 of feeding case 22 one end fixedly connected with, when sending into the buggy through first air-blower 23, send into the air, 24 fixedly connected with feeding cases 22 are passed through to first air-blower 23 one end, first backup pad 21 bottom fixedly connected with branch 25, branch 25 is kept away from first backup pad 21 one end fixed connection on 1 outer wall of main part, increase the stability of first backup pad 21, prevent that first air-blower 23 from shaking the damage.
Wherein, combustion-supporting mechanism 4 includes fixed plate 41, fixed plate 41 fixed connection is inside combustion chamber 3, fixed plate 41 top fixedly connected with arranges sediment net 42, arrange sediment net 42 top fixedly connected with combustion net 43, increase the area of contact of buggy and air, make the buggy fully burn, increase the efficiency of burning, fixed plate 41 bottom fixedly connected with arranges sediment pipe 44, the waste residue of being convenient for is discharged, combustion net 43 one end fixedly connected with advances coal pipe way 45, advance coal pipe way 45 and keep away from combustion net 43 one end fixed connection on 3 inner walls in combustion chamber.
Wherein, rabbling mechanism 5 includes mount 51, and mount 51 fixed connection is in combustion chamber 3, and mount 51 passes through bolt fixedly connected with motor 52, motor 52 output fixedly connected with pivot 53, and motor 52 one end fixedly connected with stirring fan blade 54 is kept away from to pivot 53, and it is rotatory to drive stirring fan blade 54 through motor 52 for stirring fan blade 54 drives the waste residue and removes, prevents to block.
Wherein, steam boiler 6 includes insulation can 61, insulation can 61 fixed connection is in 1 top one end of main part, the inside fixedly connected with water tank 62 of insulation can 61, water tank 62 bottom fixedly connected with heating pipe 63, water tank 62 is close to the surplus heat pipe 64 of heating pipe 63 one end fixedly connected with, water tank 62 one end fixedly connected with spiral pipe 65 is kept away from to surplus heat pipe 64, spiral pipe 65 fixed connection is inside main part 1, be convenient for utilize the heat, increase steam boiler's efficiency.
Wherein, collecting mechanism 8 includes collecting box 81, collecting box 81 fixed connection is inside waste heat chamber 71, collecting box 81 inner chamber bottom fixedly connected with water pump 82, water pump 82 top one end fixedly connected with inlet tube 83, inlet tube 83 one end fixedly connected with spray pipe 84 is kept away from at the water pump 82 top, the inner chamber of collecting box 81 is kept away from water pump 82 one end and has been seted up into cinder notch 85, on spraying water to the gas of flue gas pipeline 73 combustion gas through water pump 82, reduce gaseous temperature, be convenient for dissolve partial impurity to the aquatic, prevent air pollution.
Wherein, flue gas pipeline 73 passes baffle 72 and is connected with burning chamber 3, and flue gas pipeline 73 is the heliciform, and flue gas pipeline 73 twines on blast pipe 76 outer wall, the heating of the inside air of blast pipe 76 of being convenient for, flue gas pipeline 73 bottom fixedly connected with collecting box 81, second backup pad 74 bottom fixedly connected with branch 25, second backup pad 74 passes through branch 25 fixed connection on main part 1 outer wall, the fixed of the second backup pad 74 of being convenient for.
Wherein, the trapezoidal feed inlet of feeding case 22 top fixedly connected with, the feeding of being convenient for, feeding case 22 one end is passed through pipeline fixedly connected with and is advanced coal pipe 45, and fixedly connected with dust screen on the first air-blower 23 prevents that the dust from getting into, influences the burning.
Wherein, arrange the sediment hole on the sediment net 42, the discharge of the cinder of being convenient for, burning net 43 is big-end-up's trapezium structure, has seted up the through-hole on the burning net 43, the burning of being convenient for, and row's sediment pipe 44 is the pipe chute, and 3 one end fixedly connected with in the burning chamber of row's sediment pipe 44 advance cinder notch 85 for inside the residue discharged into cinder notch 85 along row's sediment pipe 44, stored the residue inside collection box 81.
Specifically, when the invention is used, firstly, the coal powder is sent into the feeding box 22, meanwhile, the first air blower 23 is opened, the blown air enters into the feeding box 22, the coal powder and the fresh air are sent into the combustion chamber 3, and then enter into the combustion net 43 through the coal inlet pipeline 45 to be combusted, then the waste residue generated after the combustion enters into the slag discharge pipe 44 through the slag discharge net 42 and enters into the collection box 81 along the slag discharge pipe 44, the motor 52 of the stirring mechanism 5 is opened, the rotating shaft 53 fixedly connected with the output end of the motor 52 is driven to rotate, the rotating shaft 53 drives the stirring fan blades 54 to rotate, the rotation of the stirring fan blades 54 is utilized to drive the stirring residue, the residue is conveniently discharged, the residue is prevented from blocking the slag discharge net 42, the combustion efficiency is influenced, then the heat generated during the combustion heats the spiral pipe 65 of the steam boiler 6, the heat is conveniently and fully utilized, the water in the heated spiral pipe 65 and the heating, inside the flue gas pipeline 73 of waste heat heating mechanism 7 is passed through to the waste gas that the reburning produced, open second air-blower 75, it enters into blast pipe 76 to inhale fresh air, through blast pipe 76 outlying flue gas pipeline 73, heat the inside fresh air of blast pipe 76, prevent that colder air from getting into in the burning chamber 3, take away partial heat, influence the efficiency of device, air passes baffle 72 for burning chamber 3 joining air in blast pipe 76, help the burning, waste gas in the flue gas pipeline 73 finally gets into to collect mechanism 8 inside the collecting box 81, open the water pump 82 of the inside fixed connection of collecting box 81, water pump 82 draws water through inlet tube 83, spout from spray pipe 84, make the flue gas cool off fast, prevent that high temperature flue gas from causing the injury.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high-efficient pulverized coal combustion steam boiler, its characterized in that, includes main part (1), main part (1) one end is equipped with feeding mechanism (2), main part (1) inner chamber one end is equipped with combustion chamber (3), combustion chamber (3) inside is equipped with combustion-supporting mechanism (4), combustion chamber (3) are equipped with rabbling mechanism (5) in combustion-supporting mechanism (4) bottom, combustion chamber (3) top is equipped with steam boiler (6), main part (1) is equipped with waste heat heating mechanism (7) in combustion chamber (3) one end, main part (1) is equipped with collection mechanism (8) in waste heat heating mechanism (7) bottom, waste heat heating mechanism (7) include waste heat chamber (71), waste heat chamber (71) one end fixedly connected with baffle (72), there is a bit fixedly connected with flue gas pipeline (73) at baffle (72) top, the main part (1) is close to one end fixedly connected with second backup pad (74) in waste heat chamber (71), second air-blower (75) have been welded at second backup pad (74) top, second air-blower (75) one end fixedly connected with blast pipe (76).
2. A high-efficiency pulverized coal combustion steam boiler according to claim 1, characterized in that the feeding mechanism (2) comprises a first supporting plate (21), one end of the first supporting plate (21) is fixedly connected to the outer wall of the main body (1), the top of the first supporting plate (21) is fixedly connected with a feeding box (22), one end of the first supporting plate (21) far away from the feeding box (22) is fixedly connected with a first air blower (23), one end of the first air blower (23) is fixedly connected with the feeding box (22) through an air supply pipe (24), the bottom of the first supporting plate (21) is fixedly connected with a supporting rod (25), and one end of the supporting rod (25) far away from the first supporting plate (21) is fixedly connected to the outer wall of the main body (1).
3. A high-efficiency pulverized coal combustion steam boiler according to claim 1, characterized in that the combustion-supporting mechanism (4) comprises a fixing plate (41), the fixing plate (41) is fixedly connected inside the combustion chamber (3), the top of the fixing plate (41) is fixedly connected with a slag discharging net (42), the top of the slag discharging net (42) is fixedly connected with a combustion net (43), the bottom of the fixing plate (41) is fixedly connected with a slag discharging pipe (44), one end of the combustion net (43) is fixedly connected with a coal inlet pipe (45), and one end of the coal inlet pipe (45) far away from the combustion net (43) is fixedly connected on the inner wall of the combustion chamber (3).
4. A high-efficiency pulverized coal-fired steam boiler according to claim 1, characterized in that the stirring mechanism (5) comprises a fixing frame (51), the fixing frame (51) is fixedly connected to the combustion chamber (3), the fixing frame (51) is fixedly connected with a motor (52) through bolts, an output end of the motor (52) is fixedly connected with a rotating shaft (53), and one end of the rotating shaft (53) far away from the motor (52) is fixedly connected with stirring blades (54).
5. A high-efficiency pulverized coal combustion steam boiler according to claim 1, characterized in that the steam boiler (6) comprises an insulation box (61), the insulation box (61) is fixedly connected to one end of the top of the main body (1), a water tank (62) is fixedly connected to the inside of the insulation box (61), heating pipes (63) are fixedly connected to the bottom of the water tank (62), the water tank (62) is close to one end of the heating pipes (63) and is fixedly connected with residual heat pipes (64), the residual heat pipes (64) are far away from one end of the water tank (62) and are fixedly connected with a spiral pipe (65), and the spiral pipe (65) is fixedly connected to the inside of the main.
6. A high-efficiency pulverized coal combustion steam boiler according to claim 1, characterized in that the collecting mechanism (8) comprises a collecting box (81), the collecting box (81) is fixedly connected inside the waste heat chamber (71), the bottom of the inner chamber of the collecting box (81) is fixedly connected with a water pump (82), one end of the top of the water pump (82) is fixedly connected with a water inlet pipe (83), one end of the top of the water pump (82) far away from the water inlet pipe (83) is fixedly connected with a water spray pipe (84), and one end of the inner chamber of the collecting box (81) far away from the water pump (82) is provided with a slag inlet (85).
7. A high-efficiency pulverized coal combustion steam boiler according to claim 1, characterized in that the flue gas pipe (73) is connected with the combustion chamber (3) through a partition plate (72), the flue gas pipe (73) is spiral, the flue gas pipe (73) is wound on the outer wall of the blast pipe (76), the bottom of the flue gas pipe (73) is fixedly connected with a collection box (81), the bottom of the second support plate (74) is fixedly connected with a support rod (25), and the second support plate (74) is fixedly connected on the outer wall of the main body (1) through the support rod (25).
8. A high-efficiency pulverized coal combustion steam boiler according to claim 2, characterized in that the top of the feeding box (22) is fixedly connected with a trapezoidal feeding port, one end of the feeding box (22) is fixedly connected with a coal feeding pipe (45) through a pipe, and the first blower (23) is fixedly connected with a dust screen.
9. A high-efficiency pulverized coal combustion steam boiler according to claim 3, characterized in that the slag discharge net (42) is provided with slag discharge holes, the combustion net (43) is of a trapezoidal structure with a large top and a small bottom, the combustion net (43) is provided with through holes, the slag discharge pipe (44) is an inclined pipe, and one end of the combustion chamber (3) of the slag discharge pipe (44) is fixedly connected with a slag inlet (85).
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| CN202110102400.3A CN112902129A (en) | 2021-01-26 | 2021-01-26 | High-efficient pulverized coal combustion steam boiler |
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| CN107741091A (en) * | 2017-10-10 | 2018-02-27 | 苏州浔宇新材料科技有限公司 | A kind of energy-saving environmental-protection boiler with flue gas efficient process function |
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| CN210069830U (en) * | 2019-02-15 | 2020-02-14 | 铁岭县非凡电柱有限公司 | Energy-efficient biomass boiler |
| CN109694752A (en) * | 2019-03-01 | 2019-04-30 | 江苏普格机械有限公司 | The back powder method of fluidized bed and fluidized-bed gasification furnace based on this method |
| CN210951257U (en) * | 2019-07-18 | 2020-07-07 | 右玉县安德益源生物科技有限公司 | Environment-friendly steam boiler |
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