CN101749726A - Air circulating system for combustion furnace - Google Patents
Air circulating system for combustion furnace Download PDFInfo
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- CN101749726A CN101749726A CN200910215478A CN200910215478A CN101749726A CN 101749726 A CN101749726 A CN 101749726A CN 200910215478 A CN200910215478 A CN 200910215478A CN 200910215478 A CN200910215478 A CN 200910215478A CN 101749726 A CN101749726 A CN 101749726A
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- combustion furnace
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention relates to an air circulating system for a combustion furnace and belongs to the technical field of combustion equipment. The system comprises a furnace body internal cylinder (6) of the combustion furnace and a refractory belt and is characterized by also comprising a primary annular air ring (2) arranged at the lower part of the furnace body internal cylinder (6), a primary air outlet nozzle (5) formed on the primary annular air ring (2), an air inlet (4) formed at the lower part of the furnace body internal cylinder (6), an air duct (1) arranged at the upper part of the furnace body internal cylinder (6) and communicated with the primary annular air ring (2), a secondary air belt (7) connected with the upper part of the furnace body internal cylinder (6) and a plurality of secondary air outlet nozzles (3) annularly arranged on the secondary air belt (7). The inclination directions of the secondary air outlet nozzles (3) relative to the secondary air belt (7) are consistent; and the scope of an inclination angle between each air outlet nozzle (3) and the secondary air belt is 30-120 degrees. The invention has the advantages of simple structure, easy operation, high combustion effect, thermal efficiency, energy conservation and environment protection.
Description
Technical field
The present invention relates to the combustion apparatus technical field, relate in particular to and a kind ofly can improve the combustion furnace efficiency of combustion and the thermal efficiency, and the air circulating system for combustion furnace of energy-conserving and environment-protective.
Background technology
At present,, be used for about 800,000,000 tons of the direct coal that burns every year, account for 30% of total consumption of coal because the energy resource structure of China is based on coal fuel wood stalk.Coal fire discharged a large amount of harmful substances have caused that urban air worsens and large-scale acid deposition, and environment is caused serious pollution.Each big city environmental monitoring data shows that the one of the main reasons that causes severe contamination is industry and civilian directly coal fire discharged SO2 and dust.The environmental problem that pollution that caused by coal burning causes has become the restraining factors of China's sustainable economic development, add the not advanced and unreasonable structure of combustion technology of cooking stove, cause combustion furnace efficient low, waste is big, over-emitting black exhaust discharge of noxious gases contaminated environment, the harm people's is healthy.Burning honeycomb briquette is a kind of reasonable combustion system, but must be with the raw coal fragmentation, machine-shaping, and China's anthracite resource is fewer, adds the not high and factor such as the combustion furnace heat is low, and firepower is inhomogeneous of the output of honeycomb briquette, extensively promotes and is subjected to certain limitation; For energy-conservation and multi-functional combustion stove that develop has increased heating surface area, but also exist the thermal efficiency not high, bad and the shortcoming that can not multi-use of environment protecting.
Summary of the invention
The purpose of this invention is to provide a kind of air circulating system for combustion furnace, it has the advantage of simple in structure, easy operating, efficiency of combustion height and energy-conserving and environment-protective.
In order to achieve the above object, technical scheme of the present invention is as follows:
Air circulating system for combustion furnace, comprise combustion furnace body of heater inner bag, wall with refractory lining, refracto, be arranged on body of heater inner bag bottom once ring-like vane, be arranged on once on the ring-like vane once go out tuyere, be arranged on body of heater inner bag bottom air inlet, be arranged on body of heater inner bag top and go out tuyere with several secondaries that wind groove, the secondary wind band that is connected with body of heater inner bag top and ring that ring-like vane once communicates are located on the secondary wind band, described secondary goes out the incline direction unanimity of the relative secondary wind of tuyere band, and the tilt angle ranges that secondary goes out between tuyere and the secondary wind band is 30 °～120 °.
Beneficial effect of the present invention is as follows:
1, goes out tuyere owing to around the body of heater inner bag, be provided with once ring-like vane and secondary wind band and multilayer oblique angle secondary, make on the flame-shaped curl and revolve, carbon granules in netted flame cage, repeatedly rise and fall, rotate boiling, suspension combustion, improved the efficiency of combustion and the thermal efficiency, energy-conservation more than 50%; Dedusting simultaneously makes and discharges environmental protection more under action of centrifugal force, reaches smokeless, dustless, pollution-free; Reduce SO2, NO3, amino-oxide discharge capacity simultaneously more than 80%;
2, adopt system of the present invention, can use fuel such as low-grade fuel and agricultural crop straw in the combustion furnace, can fuel savings more than 60%;
3, normal pressure operation of the present invention is widely applicable, easy operating.
Description of drawings
Fig. 1 is the structural representation of air circulating system for combustion furnace of the present invention.
Fig. 2 is a structural representation of using the domestic burners of air circulating system of the present invention.
Fig. 3 is a structural representation of using the another kind of domestic burners of air circulating system of the present invention.
Fig. 4 is a structural representation of using the hot-blast stove of air circulating system of the present invention.
Among the figure: 1, wind groove, 2, ring-like vane once, 3, secondary goes out tuyere, 4, air inlet, 5, once go out tuyere, 6, body of heater inner bag, 7, secondary wind band, 8, body of heater, 9, flue, 10, water trapping layer, 11, fire grate, 12, water inlet, 13, hot water outlet, 14, high-temperature superconductor pipe, 15, top fire door assembly, 16, the slag outlet, 17, the water layer inner panel, 18, burner hearth, 19, smoke box, 20, heat-radiation belt, 21, the windscreen band, 22, hot blast layer, 23, air inlet, 24, hot-blast outlet, 25, the stratification of wind inner panel.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done description in further detail:
As shown in Figure 1, air circulating system for combustion furnace of the present invention comprises: the body of heater inner bag 6 of combustion furnace, be arranged on the once ring-like vane 2 of body of heater inner bag 6 bottoms, be arranged on once and once go out tuyere 5 on the ring-like vane 2, be arranged on the air inlet 4 of body of heater inner bag 6 bottoms, the wind groove 1 that is arranged on body of heater inner bag 6 tops and communicates with ring-like vane 2 once, the secondary wind band 7 that is connected with body of heater inner bag 6 tops, several multilayer secondaries that ring is located on the secondary wind band 7 go out tuyere 3 and wall with refractory lining, refracto, described secondary goes out between tuyere 3 and the secondary wind band 7 by the same direction in oblique angle, and the inclination angle that several secondaries go out tuyere 3 is 30 °～120 ° and does not wait.
Air circulating system of the present invention can be applied on the combustion furnaces such as domestic burners or hot-blast stove, on domestic burners as shown in Figures 2 and 3 and the hot-blast stove shown in Figure 4.
As shown in Figures 2 and 3, domestic burners mainly is made up of body of heater 8, flue 9, water trapping layer 10, fire grate 11, water inlet 12, hot water outlet 13, high-temperature superconductor pipe 14, top fire door assembly 15, slag outlet 16, water layer inner panel 17, burner hearth 18 and wall with refractory lining, refracto, high-temperature superconductor pipe 14 rings are located at the middle part of body of heater 8, its top is provided with fin, and the bottom is deep in the burner hearth 18; The once ring-like vane 2 of air circulating system for combustion furnace of the present invention is arranged on the bottom of body of heater 8, wind groove 1 is arranged between water layer inner panel 17 and the secondary wind band 7, secondary wind band 7 is arranged on above the water layer inner panel 17, the a plurality of secondaries that are provided with 2～12 layers around the secondary wind band 7 go out tuyere 3, secondary goes out between tuyere 3 and the secondary wind band 7 by the same direction in oblique angle, and a plurality of secondaries go out tuyere 3 inclinations angle and are 30 °～120 ° and do not wait.
The course of work of above-mentioned domestic burners is: fuel is placed on the fire grate 11, light, wind enters ring-like vane 2 from air inlet 4, the wind of a part enters in the burner hearth 18 combustion-supporting through the bottom rotation that once goes out tuyere 5 and enter burner hearth 18 by fire grate 11, the wind of another part enters in the wind groove 1 through secondary wind band 7, going out tuyere 3 through a plurality of oblique angles secondary on the secondary wind band 7 again is blown in the burner hearth 18, the a plurality of secondaries of multilayer go out tuyere 3 and tilt by the same direction in oblique angle, constitute the centrifugal cyclone system, burned flame is formed on the helical form to be revolved, carbon granules is in netted flame cage, repeatedly rise and fall, thorough after-flame in suspended state, dedusting simultaneously makes and discharges environmental protection more under action of centrifugal force, reaches the effect of smokeless emission; In the combustion process, furnace temperature is fast and effeciently passed to water trapping layer 10 through high-temperature superconductor pipe 14, heating water trapping layer 10, and hot water flows out through hot water outlet 13, heat supply, the cold water after the backflow enters water trapping layer 10 through water inlet 12, the circulation heating.
As shown in Figure 4, hot-blast stove mainly is made up of body of heater 8, flue 9, hot blast layer 22, fire grate 11, air inlet 23, hot-blast outlet 24, high-temperature superconductor pipe 14, stratification of wind inner panel 25, smoke box 19, heat-radiation belt 20, windscreen band 21, burner hearth 18 and wall with refractory lining, refracto, high-temperature superconductor pipe 14 be arranged on smoke box 19 above, its top is provided with fin, and the bottom is deep in the smoke box 19 (flame zone); The once ring-like vane 2 of hot-blast stove air circulating system of the present invention is arranged on the bottom of body of heater 8, wind groove 1 is arranged between stratification of wind inner panel 25 and the secondary wind band 7, secondary wind band 7 is arranged on stratification of wind inner panel 25 tops, the a plurality of secondaries that are provided with 2～12 layers around the secondary wind band 7 go out tuyere 3, secondary goes out between tuyere 3 and the secondary wind band 7 by the same direction in oblique angle, and a plurality of secondaries go out tuyere 3 inclinations angle and are 30 °～120 ° and do not wait.
The course of work of above-mentioned hot-blast stove is: fuel is placed on the fire grate 11, light, wind enters ring-like vane 2 from air inlet 4, the wind of a part enters burner hearth bottom rotation and enters in the burner hearth 18 combustion-supporting by fire grate 11 through once going out tuyere 5, the wind of another part enters in the wind groove 1 through secondary wind band 7, going out tuyere 3 through a plurality of oblique angles secondary on the secondary wind band 7 again is blown in the burner hearth 18, the a plurality of secondaries of multilayer go out tuyere 3 and tilt by the same direction in oblique angle, constitute the centrifugal cyclone system, burned flame is formed on the helical form to be revolved, carbon granules is in netted flame cage, repeatedly rise and fall, thorough after-flame in suspended state, dedusting simultaneously makes and discharges environmental protection more under action of centrifugal force, reaches the effect of smokeless emission; In the combustion process, furnace temperature is fast and effeciently passed to folder stratification of wind 22 through high-temperature superconductor pipe 14, heating folder stratification of wind 22, and hot blast is sent heat supply through hot-blast outlet 24.
In sum, air circulating system of the present invention is by being provided with a plurality of secondaries and going out tuyere and tilting by the same direction in oblique angle in the body of heater bottom, multilayer, a plurality of, multi-angle blowing not only can make fuel gas and carbon particulate/black smoke after-flame, and controlled poisonous substance such as the SO of being shaped on
2, NO
3, amino-oxide growing amount, the coke thermal-flame directly burns fuel gas, the combustion heat of fuel gas directly influences the burning of coke again, and both rely on each other, mutually promote, utilize centrifugal supply air system, secondary wind combustion technology effectively prolongs burning time of fuel, makes on the flame-shaped curl and revolves, carbon granules in netted flame cage, repeatedly rise and fall, rotate boiling, suspension combustion, thorough after-flame; Reduce SO simultaneously
2, NO
3, the amino-oxide discharge capacity 80%, solved the difficult problem of fuel smoke abatement and dust control in combustion furnace, thereby reached energy-saving and emission-reduction, smokeless, dustless, free of contamination energy-conserving and environment-protective purpose.
Simultaneously, the fuel of combustion furnace is selected for use also very extensive, as branch, leaf, straw, plant wood do, timber processing leftover pieces, corn core, shell, animal wastes are done, charcoal, various agricultural crop straw, various wooden chips etc. can be used as fuel.In today of market liquefied gas/coal gas anxiety, save rural resource, save family expense, make smokeless kitchen, smokeless burning stove is chosen in the every household will become development trend.
Claims (3)
1. air circulating system for combustion furnace, the body of heater inner bag (6) and the wall with refractory lining, refracto that comprise combustion furnace, it is characterized in that, also comprise: the once ring-like vane (2) that is arranged on body of heater inner bag (6) bottom, be arranged on once and once go out tuyere (5) on the ring-like vane (2), be arranged on the air inlet (4) of body of heater inner bag (6) bottom, the wind groove (1) that is arranged on body of heater inner bag (6) top and communicates with ring-like vane (2) once, several secondaries that secondary wind band (7) that is connected with body of heater inner bag (6) top and ring are located on the secondary wind band (7) go out tuyere (3), described secondary goes out tuyere (3) the incline direction unanimity of secondary wind band (7) relatively, and the tilt angle ranges that secondary goes out between tuyere (3) and the secondary wind band (7) is 30 °～120 °.
2. air circulating system for combustion furnace as claimed in claim 1 is characterized in that, described secondary goes out tuyere (3) and divides 2～12 layers of ring to be located on the secondary wind band (7).
3. air circulating system for combustion furnace as claimed in claim 1 is characterized in that, described combustion furnace is domestic burners or hot-blast stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215478A CN101749726A (en) | 2009-12-31 | 2009-12-31 | Air circulating system for combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215478A CN101749726A (en) | 2009-12-31 | 2009-12-31 | Air circulating system for combustion furnace |
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|---|---|
| CN101749726A true CN101749726A (en) | 2010-06-23 |
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ID=42477102
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|---|---|---|---|
| CN200910215478A Pending CN101749726A (en) | 2009-12-31 | 2009-12-31 | Air circulating system for combustion furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498094A (en) * | 2014-12-28 | 2015-04-08 | 孙吉章 | Biomass gasification furnace capable of feeding fuel from bottom to top |
| CN105312164A (en) * | 2015-06-30 | 2016-02-10 | 吴新祥 | Fluid centrifugal separation device and application device comprising same |
| CN105333416A (en) * | 2015-11-24 | 2016-02-17 | 石家庄市春燕采暖设备有限公司 | Coke particle clean combustion stove |
| CN105972818A (en) * | 2016-06-30 | 2016-09-28 | 浙江特富锅炉有限公司 | Boiler with secondary air flue structure |
| CN108151053A (en) * | 2016-12-04 | 2018-06-12 | 酒泉市通达风成机械工程有限公司 | A kind of whirlwind secondary combustion-supporting hot-blast stove |
| CN114294652A (en) * | 2021-12-16 | 2022-04-08 | 合肥工业大学 | Be used for discarded object broken combustion processing apparatus |
-
2009
- 2009-12-31 CN CN200910215478A patent/CN101749726A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498094A (en) * | 2014-12-28 | 2015-04-08 | 孙吉章 | Biomass gasification furnace capable of feeding fuel from bottom to top |
| CN104498094B (en) * | 2014-12-28 | 2017-08-01 | 抚州孙氏兄弟实业有限公司 | A kind of biomass gasifying furnace of fuel feeding from bottom to top |
| CN105312164A (en) * | 2015-06-30 | 2016-02-10 | 吴新祥 | Fluid centrifugal separation device and application device comprising same |
| CN105333416A (en) * | 2015-11-24 | 2016-02-17 | 石家庄市春燕采暖设备有限公司 | Coke particle clean combustion stove |
| CN105333416B (en) * | 2015-11-24 | 2017-05-10 | 石家庄市春燕采暖设备有限公司 | Coke particle clean combustion stove |
| CN105972818A (en) * | 2016-06-30 | 2016-09-28 | 浙江特富锅炉有限公司 | Boiler with secondary air flue structure |
| CN105972818B (en) * | 2016-06-30 | 2021-10-08 | 浙江特富发展股份有限公司 | Boiler with secondary air duct structure |
| CN108151053A (en) * | 2016-12-04 | 2018-06-12 | 酒泉市通达风成机械工程有限公司 | A kind of whirlwind secondary combustion-supporting hot-blast stove |
| CN114294652A (en) * | 2021-12-16 | 2022-04-08 | 合肥工业大学 | Be used for discarded object broken combustion processing apparatus |
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Open date: 20100623 |