CN203443100U

CN203443100U - Energy-saving boiler

Info

Publication number: CN203443100U
Application number: CN201320398516.7U
Authority: CN
Inventors: 张宝生; 刘晓芝; 王凤兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-05
Filing date: 2013-07-05
Publication date: 2014-02-19
Anticipated expiration: 2023-07-05

Abstract

The utility model discloses an energy-saving boiler which comprises a main furnace and an auxiliary furnace. The main furnace and the auxiliary furnace are both water jacket furnaces. The water jacket of the main furnace is connected to the water jacket of the auxiliary furnace through flanges. A combustion chamber and a secondary combustion chamber are formed in the main furnace, and the secondary combustion chamber is arranged outside the combustion chamber in a surrounding mode and is communicated with the combustion chamber. A tertiary combustion chamber and a quartic combustion chamber are formed in the auxiliary furnace, the tertiary combustion chamber is arranged outside the quartic combustion chamber in a surrounding mode and is communicated with the quartic combustion chamber, and the secondary combustion chamber is communicated with the tertiary combustion chamber through flanges. A combustion-supporting layer coats the inner side of the combustion chamber, combustion is made to be more thorough, a horizontal convolute gravity smoke exhaust device is arranged in a chimney, sedimentation is carried out on smoke dust in smoke, environment protection effects are improved, steam pipes are mounted between the combustion chamber and a water chamber in a penetrating mode, water in the water chamber is atomized into water steam, the water steam enters the combustion chamber through the steam pipes, the water steam reacts with combusted coal to generate water gas, coal tar and other high-efficient combustible, and combustion efficiency is improved.

Description

Power economized boiler

Technical field

The utility model relates to heating equipment, particularly relates to a kind of power economized boiler.

Background technology

China is coal reserves, production, consumption big country, the billions of tons of annual coal consumption, and the serious problems such as the high pollution that coal burning brings, maximum discharge, the wasting of resources are obvious to all, and its following problem can't bear prediction especially; Economic development, resources conservation, environmental protection are related to the great cause success or failure of the rejuvenation of the Chinese nation.

The problem that the various medium and small coal-fired heating boiler that China is used at present causes is particularly outstanding, and its difficulty of governance is large and loaded down with trivial details; Using clean energy resource to support economic continuous and effective development is desirable plan, but because China is oil, natural gas natural resources shortage country per capita.Rapid economic development thereupon, increasingly urgent to oil, natural gas resource requirement, how effectively to utilize the existing coal resources of China to support social long-term needs and economic green health sustainable development is the state basic policy giving special priority for; It is imperative that effective efficiency of fire coal, pollution abatement, minimizing that improves coal-burning boiler discharged, fully utilized; Wherein coal-burning boiler fully burns, the real-time closed-loop that makes full use of, burns of heat energy is controlled, reduced harmful smog emissions such as black smoke is the key point of problem.

There is following defect in existing boiler: 1. existing boiler is independent body of heater, and heat exchange area is little, heat exchanger time is short, and heat utilization rate is low; 2. coal-firedly can not get effective integration with oxygen, insufficient, the easy over-emitting black exhaust that burns, efficiency is low, disposal of pollutants is high, especially boiler in igniting and while filling out coal black smoke and harmful smog emission serious; 3. coal-fired in combustion process normally self and oxygen effect combustion heating, under perfect condition, its caloric value is coal-fired intrinsic calorific value caloric value, it fails effectively to utilize high temperature coal and high-temperature heat-storage body and external substance effect to produce new efficient combustible (as reacted with suitable quantity of water, producing water-gas etc.) to improve caloric value; 4. in coal combustion process, use the equipment such as air blast, dedusting, soot blower, make the heat energy of coal combustion not have the sufficient time to carry out heat exchange, be just discharged in atmosphere, consume a large amount of electric energy simultaneously; The real-time closed-loop of not accomplishing in addition to burn is controlled, and causes heat energy to discharge too fast, causes heat energy loss too fast; 5. body of heater does not have Insulation outward, and heat-energy losses is serious.

Utility model content

The purpose of this utility model is to provide a kind of power economized boiler, in order to solve the defect of above-mentioned prior art.

In order to achieve the above object, technical scheme provided by the utility model is: a kind of power economized boiler, it comprises main stove and secondary stove, described main stove and secondary stove are water jacket furnace, described main stove water jacket is connected by flange with secondary stove water jacket, in main stove, be provided with combustion chamber and secondary combustion chamber, described secondary combustion chamber ring is located at outside, combustion chamber, and be communicated with combustion chamber, in described secondary stove, be provided with three combustion chambers and four combustion chambers, described three combustion chambers ring is located at outside, four combustion chambers, and be communicated with four combustion chambers, described secondary combustion chamber is communicated with by flange with three combustion chambers.

Further, described main furnace bottom is provided with depositing dust water tank, between described depositing dust water tank and combustion chamber, is coated with steam lead, and on dustfall water bulkhead, device has shutter, adjusts wind turbine and smoke suction machine.

Further, in described combustion chamber, be coated with combustion-supporting layer.

Further, described secondary furnace bottom is provided with hold.

Further, described four top of combustion chamber are provided with chimney, are fixed with level convolution gravity smoke evacuation dirt device in described chimney.

Further, described level convolution gravity smoke evacuation dirt device comprises guide duct and arc, and described guide duct comprises sealing pipe and be packed in the diversion column on its wall, and described arc two ends are interior curved setting, and described diversion column is arranged on the nock place of arc.

Further, in described chimney, device has water sprayin dust-reducing device and spraying desulphurization device respectively.

Further, inwall, the outer wall of described combustion chamber, secondary combustion chamber, three combustion chambers and four combustion chambers are all fixed with fin.

Further, described secondary combustion chamber and bottom, three combustion chambers are equipped with ash discharging hole.

Further, energy storage ball and water injector are installed in described combustion chamber, described water injector is arranged on energy storage ball top, and combustion chamber locular wall is provided with combustor and combustion-supporting fueling injection equipment.

Further, in described chimney, triple valve is installed, described triple valve is communicated with smoke suction machine by leading smoke pipe.

Further, in described chimney, combustion barrel is installed, in described combustion barrel, is fixed with helical blade, combustion barrel barrel is provided with combustor, is separately installed with water sprayin dust-reducing device and spraying desulphurization device in combustion barrel.

Further, described main furnace outer wall, secondary furnace outer wall and chimney outer wall are coated with heat-insulation layer.

Adopt technique scheme, technique effect of the present utility model has: the utility model energy-saving coal fired boiler, is comprised of main stove and secondary stove; In main stove, be provided with the combustion chamber and the secondary combustion chamber that are interconnected; In secondary stove, be provided with three combustion chambers and four combustion chambers that are interconnected; Burning be take as master, heat exchange are as auxiliary in combustion chamber, and secondary combustion chamber be take heat exchange as leading, take and burn as auxiliary, and heat exchange be take as main in three combustion chambers and four combustion chambers; Fire coal fully burns through combustion chamber, secondary combustion chamber, heat energy is through the repeatedly fully exchange of three combustion chambers, four combustion chambers, chimney, increase heat exchange area, extend heat exchange stroke and time, in four combustion chambers, combustion barrel is installed, in combustion barrel, be fixed with helical blade and combustor, by harmful smog after-flames such as jet-blacks, can obviously reduce harmful smog emissions such as black smoke; Main furnace body is Open architecture under upper sealing, thereby makes coal-fired layering coking peel off abundant burning; Main stove and secondary furnace outer wall are all coated with heat-insulation layer, and top of combustion chamber has mounted cover heat insulation top cover, reduce water jacket heat dissipation capacity, further improve heat utilization ratio; The ash discharging hole that secondary combustion chamber and bottom, three combustion chambers arrange.

In combustion chamber, be coated with combustion-supporting layer, coal-fired burning-point is reduced, contribute to burning; Combustion chamber locular wall is provided with combustor and combustion-supporting fueling injection equipment, and it starts burning automatically in ignition of the boiler and while filling out coal, can obviously reduce the noxious gas emissions such as black smoke and carbon monoxide; In chimney, be provided with level convolution gravity smoke evacuation dirt device, the flue dust in flue gas is carried out to sedimentation, improve environment protecting; In chimney, be provided with water spray and fall flue dust and spraying desulphurization device, in chimney, be provided with internal-external heat exchange device, further improve the thermal efficiency; The inside and outside wall of combustion chamber, secondary combustion chamber, three combustion chambers and four combustion chambers is equipped with fin, improve the heat-conducting area in combustion chamber, secondary combustion chamber, three combustion chambers and four combustion chamber endotherm areas and main stove water jacket, secondary stove water jacket, promote the heat exchanger effectiveness of boiler.

Between combustion chamber and water tank, be equipped with steam lead, heating steam conduit during fired coal combustion, steam lead makes water atomization in water tank form water vapour, water vapour by steam lead, enter combustion chamber, produce the efficient combustibles such as water-gas with fire coal effect, further improve efficiency of combustion.

Conventionally ignition of the boiler or easily produce the flue dust such as black smoke and carbon monoxide while filling out coal, coordinates by triple valve and smoke suction machine, black smoke is guided in main chamber by conduit and burn away, and recovers afterwards chimney emission function.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model power economized boiler;

Fig. 2 is the structural representation of the utility model level convolution gravity fume extractor;

Wherein: 1, main stove, 2, secondary stove, 3, combustion chamber, 4, secondary combustion chamber, 5, three combustion chambers, 6, four combustion chambers, 7, water supply tank, 8, depositing dust water tank, 9, steam lead, 10, water return outlet, 11, main stove water jacket, 12, fire grate, 13, level convolution gravity smoke evacuation dirt device, 14, hold, 15, ash discharging hole, 16, delivery port, 17, fin, 21, secondary stove water jacket, 22, storage tank, 23, chimney, 24, heat-insulation layer, 25, temperature transducer, 26, observation window, 27, top cover, 28, deflector, 29, heat exchange water jacket, 30, flange, 31, energy storage ball, 32, water injector, 33, combustion-supporting layer, 61, combustion barrel, 62, helical blade, 63, combustor, 64, chimney flange, 81, shutter, 82, adjust wind turbine, 83, smoke suction machine, 84, combustor and combustion-supporting fueling injection equipment, 131, guide duct, 132, arc, 133, sealing pipe, 134, diversion column, 231, water sprayin dust-reducing device, 232, spraying desulphurization device, 233, triple valve, 234, lead smoke pipe.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.

As shown in Figure 1, the structural representation of the utility model power economized boiler, it comprises main stove 1 and secondary stove 2, main stove 1 and secondary stove 2 are water jacket furnace, main stove 1 and secondary stove 2 outer walls are coated with heat-insulation layer 24, reduce the heat dissipation capacity of main stove water jacket 11 and secondary stove water jacket 21, further improve Btu utilization, main stove water jacket 11 is connected by flange 30 with secondary stove water jacket 21, in main stove 1, be provided with combustion chamber 3 and secondary combustion chamber 4, secondary combustion chamber 4 rings are located at 3 outsides, combustion chamber, and be communicated with combustion chamber 3, in secondary stove 2, be provided with three combustion chambers 5 and four combustion chambers 6, three times combustion chamber 5 rings are located at 6 outsides, four combustion chambers, and be communicated with four combustion chambers 6, secondary combustion chamber 4 is communicated with by flange 30 with three combustion chambers 5, secondary combustion chamber 4 and three interior deflectors 28 that are all fixed with in combustion chamber 5, be used for guiding heat energy to flow to, secondary combustion chamber 4 and 5 bottoms, three combustion chambers are equipped with ash discharging hole 15, in order to increase the fired coal combustion efficiency in combustion chamber 3, in combustion chamber 3, be coated with combustion-supporting layer 33, consider boiler bulk strength and easy to process, therefore, by combustion chamber 3, secondary combustion chamber 4, three combustion chambers 5 and four combustion chambers 6 are all set to cylindrical shape, combustion chamber 3, secondary combustion chamber 4, the inwall of three combustion chambers 5 and four combustion chambers 6, outer wall is all fixed with fin 17, thereby improve combustion chamber 3, secondary combustion chamber 4, the heat release area of three combustion chambers 5 and four combustion chambers 6 and main stove water jacket 11, the endotherm area of attached stove water jacket 21, raising heat exchanging efficiency, main stove 1 top is provided with water supply tank 7, water supply tank 7 is communicated with main stove water jacket 11, main stove 1 bottom is provided with depositing dust water tank 8, combustion chamber 3 top cover are equipped with top cover 27, open top cover 27 and put into fire coal in combustion chamber 3, its bottom is fixed with fire grate 12, between depositing dust water tank 8 and combustion chamber 3, be coated with steam lead 9, on depositing dust water tank 8 walls, device has shutter 81, adjust wind turbine 82 and smoke suction machine 83, effectively control fired coal combustion speed, main stove 1 outer wall is provided with the water return outlet 10 being communicated with main stove water jacket 11, temperature transducer 25 is installed on water return outlet 10, measure the temperature of water return outlet 10 interior hot water, on 3 locular walls of combustion chamber, offer observation window 26, observe combustion chamber 3 internal combustion burning of coal situations, energy storage ball 31 and water injector 32 are installed in combustion chamber 3, water injector 32 is arranged on energy storage ball 31 tops, energy storage ball 31 is for storing heat energy, when chamber temperature reaches certain numerical value, control water injector 32 to energy storage ball 31 water sprays, thereby generation combustible gas, improve efficiency of combustion, control water injector 32, the 3 interior spray water steams to combustion chamber, produce the imflammable gas such as water-gas, obviously improve efficiency of combustion, not only energy-saving and emission-reduction but also pollution-free, at main stove 1 top, a temperature transducer 25 being communicated with combustion chamber 3 is installed, in order to show the temperature in combustion chamber 3, when considering boiler in igniting and filling out coal, produce more black smoke and harmful smog, combustion chamber 3 locular walls are provided with combustor and combustion-supporting fueling injection equipment 84, boiler automatically starts burning when lighting a fire and filling out coal, can obviously reduce the discharges such as black smoke, chimney 23 is fixing by 64 splicings of chimney flange, triple valve 233 is installed in chimney 23, triple valve 233 is communicated with smoke suction machine 83 by leading smoke pipe 234, smoke suction machine 83 guides to black smoke etc. and harmful smog in combustion chamber 3 and burns away by leading smoke pipe 234 and triple valve 233, combustion barrel 61 is installed in chimney 23, in combustion barrel 61, be fixed with helical blade 62, combustion barrel 61 barrels are provided with combustor 63, in combustion barrel 61, be separately installed with water sprayin dust-reducing device 231 and spraying desulphurization device 232, helical blade 62 is for reducing flue dust flow velocity, sedimentation dust, combustor 63 is by harmful smog burnings such as jet-blacks, reduce environmental pollution.

Secondary stove 2 tops are separately installed with storage tank 22 and chimney 23, storage tank 22 connects 21 with secondary stove water jacket and is communicated with, when return water temperature is lower than when setting value, storage tank 22 provides hot water to secondary stove water jacket 21 in time, when return water temperature is higher than when setting value, secondary stove water jacket 21 is to storage tank 22 stored hot waters, chimney 23 is arranged on 6 tops, four combustion chambers, in chimney 23, be fixed with level convolution gravity smoke evacuation dirt device 13, secondary stove 2 bottoms are provided with hold 14, secondary stove 2 outer walls are provided with the delivery port 16 being communicated with secondary stove water jacket 21, temperature transducer 25 is installed on delivery port 16, measure the hot water temperature in the mouth of a river 16, the interior device respectively of chimney 23 has water sprayin dust-reducing device 231 and spraying desulphurization device 232, reduce the concentration of flue dust and remove the pernicious gas in flue dust, the pollution of reduction to environment, chimney 23 inner sides and outside are equipped with the heat exchange water jacket 29 being interconnected, to better utilize the heat in chimney 23, further improve heating efficiency.

As shown in Figure 2, the structural representation of the utility model level convolution gravity smoke evacuation dirt device, it comprises guide duct 131 and arc 132, guide duct 131 comprises sealing pipe 133 and is packed in the diversion column 134 on its wall, for easy to process, sealing pipe 133 and diversion column 134 are made into one, arc 132 two ends are interior curved setting, diversion column 134 is arranged on the nock place of arc 132, level convolution gravity smoke evacuation dirt device 13 is upper and lower, left and right is set to a plurality of, thereby the flue dust in flue gas is carried out to repeatedly sedimentation, further reduce the pollution of flue dust to environment.

The utility model energy-saving coal fired boiler, is comprised of main stove and secondary stove; In main stove, be provided with the combustion chamber and the secondary combustion chamber that are interconnected; In secondary stove, be provided with three combustion chambers and four combustion chambers that are interconnected; The coal-fired repeatedly fully burning through combustion chamber, secondary combustion chamber, three combustion chambers and four combustion chambers, increase heat exchange area, extend heat exchange stroke and time, combustion barrel is installed in chimney, in combustion barrel, be fixed with helical blade, combustion barrel barrel is provided with combustor, helical blade is for the dust of sedimentation black smoke, and combustor, by harmful smog after-flames such as black smokes, can obviously reduce harmful smog emissions such as black smoke; Main furnace body forms Open architecture under sealing, thereby makes coal-fired layering coking peel off abundant burning; Main furnace outer wall, secondary furnace outer wall and chimney outer wall are coated with heat-insulation layer, and top of combustion chamber has mounted cover top cover, reduce water jacket heat dissipation capacity, further improve heat utilization ratio; The ash discharging hole that secondary combustion chamber and bottom, three combustion chambers arrange.

In combustion chamber, be coated with combustion-supporting layer, coal-fired burning-point is reduced, contribute to fire burning of coal; In chimney, be provided with level convolution gravity fume extractor, the flue dust in flue gas is carried out to sedimentation, make in its hold that is deposited in secondary stove, improve environment protecting; In chimney, be provided with water spray and fall flue dust and spraying desulphurization device, in chimney, be provided with internal-external heat exchange device, further improve the thermal efficiency; The inside and outside wall of combustion chamber, secondary combustion chamber, three combustion chambers and four combustion chambers is equipped with fin, improve the heat-conducting area in combustion chamber, secondary combustion chamber, three combustion chambers and four combustion chamber endotherm areas and main stove water jacket, secondary stove water jacket, promote the heat exchanger effectiveness of boiler.

Ignition of the boiler or easily produce the flue dust such as black smoke and carbon monoxide while filling out coal, first combustor and combustion-supporting fueling injection equipment start burning automatically in ignition of the boiler and while filling out coal, can obviously reduce the discharges such as black smoke, secondly by triple valve and smoke suction machine, coordinate, black smoke is guided in main chamber and burnt away by conduit, recover afterwards chimney emission function.

Finally it should be noted that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims

1. a power economized boiler, it is characterized in that: it comprises main stove (1) and secondary stove (2), described main stove (1) and secondary stove (2) are water jacket furnace, described main stove water jacket (11) is connected by flange (30) with secondary stove water jacket (21), in main stove (1), be provided with combustion chamber (3) and secondary combustion chamber (4), described secondary combustion chamber (4) ring is located at outside, combustion chamber (3), and be communicated with combustion chamber (3), in described secondary stove (2), be provided with three combustion chambers (5) and four combustion chambers (6), described three combustion chambers (5) ring is located at outside, four combustion chambers (6), and be communicated with four combustion chambers (6), described secondary combustion chamber (4) is communicated with by flange (30) with three combustion chambers (5).

2. power economized boiler according to claim 1, it is characterized in that: described main stove (1) bottom is provided with depositing dust water tank (8), between described depositing dust water tank (8) and combustion chamber (3), be coated with steam lead (9), on depositing dust water tank (8) wall, device has shutter (81), adjusts wind turbine (82) and smoke suction machine (83).

3. power economized boiler according to claim 1 and 2, is characterized in that: in described combustion chamber (3), be coated with combustion-supporting layer (33).

4. power economized boiler according to claim 1, is characterized in that: described secondary stove (2) bottom is provided with hold (14).

5. power economized boiler according to claim 1, is characterized in that: top, described four combustion chambers (6) is provided with chimney (23), is fixed with level convolution gravity smoke evacuation dirt device (13) in described chimney (23).

6. power economized boiler according to claim 5, it is characterized in that: described level convolution gravity smoke evacuation dirt device (13) comprises guide duct (131) and arc (132), described guide duct (131) comprises sealing pipe (133) and is packed in the diversion column (134) on its wall, described arc (132) two ends are interior curved setting, and described diversion column (134) is arranged on the nock place of arc (132).

7. power economized boiler according to claim 5, is characterized in that: in described chimney (23), device has water sprayin dust-reducing device (231) and spraying desulphurization device (232) respectively.

8. power economized boiler according to claim 1, is characterized in that: inwall, the outer wall of described combustion chamber (3), secondary combustion chamber (4), three combustion chambers (5) and four combustion chambers (6) are all fixed with fin (17).

9. according to the power economized boiler described in claim 1 or 8, it is characterized in that: described secondary combustion chamber (4) and bottom, three combustion chambers (5) are equipped with ash discharging hole (15).

10. power economized boiler according to claim 3, it is characterized in that: energy storage ball (31) and water injector (32) are installed in described combustion chamber (3), described water injector (32) is arranged on energy storage ball (31) top, and combustion chamber (3) locular wall is provided with combustor and combustion-supporting fueling injection equipment (84).

11. power economized boilers according to claim 5, is characterized in that: triple valve (233) is installed in described chimney (23), and described triple valve (233) is communicated with smoke suction machine (83) by leading smoke pipe (234).

12. according to the power economized boiler described in claim 7 or 11, it is characterized in that: combustion barrel (61) is installed in described chimney (23), in described combustion barrel (61), be fixed with helical blade (62), combustion barrel (61) barrel is provided with combustor (63), is separately installed with water sprayin dust-reducing device (231) and spraying desulphurization device (232) in combustion barrel (61).

13. according to the power economized boiler described in claim 1,5,11 arbitrary claims, it is characterized in that: described main stove (1) outer wall, secondary stove (2) outer wall and chimney (23) outer wall are coated with heat-insulation layer (24).