CN103884011A - Boiler - Google Patents
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- CN103884011A CN103884011A CN201410145815.9A CN201410145815A CN103884011A CN 103884011 A CN103884011 A CN 103884011A CN 201410145815 A CN201410145815 A CN 201410145815A CN 103884011 A CN103884011 A CN 103884011A
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Abstract
The invention discloses a boiler which comprises a combustor, an air supplying device, a smoke discharging device and a coal feeding device. A smoke duct of the smoke discharging device and the coal feeding device are both communicated with the combustor, the air supplying device comprises an air feeder and an air supplying pipe, and the two ends of the air supplying pipe are communicated with the air feeder and the combustor respectively. The boiler further comprises a microwave chamber formed in the lateral portion of the combustor and used for delivering microwaves to the combustor, and the microwave chamber comprises a magnetron, a microwave chamber body and a microwave output window installed on the microwave chamber body. Due to the fact that the microwave chamber delivers the microwaves to the combustor, a large amount of heat is released, coal can be dry through microwave combustion supporting, the utilization rate of the coal can be improved, and resource waste caused by coal gradual discharging is avoided. According to the microwave combustion supporting principle, coal graduals and hot air in the combustor are disturbed through the microwaves to be sufficiently mixed and combusted, sulfur oxide corrosion, nitrogen oxide generation and coal gradual discharging are avoided, environment pollution is reduced, and therefore according to the boiler, the environment pollution can be reduced while resource waste is reduced.
Description
Technical field
The present invention relates to coal-firing device technical field, particularly a kind of boiler.
Background technology
Boiler is as a kind of energy conversion, there is the form such as heat energy of chemical energy in coal, electric energy, high-temperature flue gas to boiler input energy, and through boiler conversion, outwards output has steam, high-temperature water or the organic heat carrier of certain heat energy, wherein comparatively general for the boiler of coal combustion.Traditional boiler main will comprise the parts such as heat exchanger, combustion chamber, air-supply arrangement, fume extractor and coal pocket, wherein air-supply arrangement comprises the ajutage that pressure fan and two ends are communicated with pressure fan and combustion chamber respectively, coal pocket is communicated with combustion chamber, heat exchanger is arranged on top, combustion chamber, and the flue of fume extractor is communicated with combustion chamber.
Boiler is in the time of work, and coal pocket and air-supply arrangement are carried respectively coal and air to combustion chamber, and coal is in burning Indoor Combustion, heat exchanger absorbs radiant heat in combustion chamber, water is heated to be to saturated vapor, realizes steam and separate, the gas after burning is discharged by the flue of fume extractor.
But in order to make coal fully contact with oxygen and fully burn in combustion chamber, the actual air capacity of sending in combustion chamber is greater than theoretical air requirement.Can reduce heat loss due to incomplete combustion although send into air, heat loss due to exhaust gas can increase more, and not clean-burning coal grain is discharged, and causes the wasting of resources, aggravates sulfur oxide corrosion and nitrogen oxide simultaneously and generates, and causes environmental pollution comparatively serious.
Therefore, how in reducing the wasting of resources, reducing environmental pollution, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of boiler, this boiler can reduce environmental pollution in reducing the wasting of resources.
For achieving the above object, the invention provides a kind of boiler, comprise combustion chamber, air-supply arrangement, fume extractor and coal pocket, the flue of described fume extractor and described coal pocket are all communicated with described combustion chamber, described air-supply arrangement comprises the ajutage that pressure fan and two ends are communicated with described pressure fan and described combustion chamber respectively, also comprise and be arranged on described combustion chamber sidepiece and for carry the microwave office of microwave to described combustion chamber, described microwave office comprises magnetron, microwave office's body and is arranged on the microwave output window on described microwave office body.
Preferably, described microwave office is positioned at described combustion chamber inner chamber and is arranged on described sidewall of combustion chamber.
Preferably, described microwave output window is ceramic output window.
Preferably, described microwave office also comprises cooling water tank, and described cooling water tank is connected with described magnetron.
Preferably, also comprise the economizer being arranged on described fume extractor.
Preferably, described air-supply arrangement also comprises the air preheater being arranged on described fume extractor, and the inner chamber of described air preheater is communicated with the inner chamber of described ajutage.
Preferably, described air preheater is positioned at the air intake of described pressure fan.
Preferably, also comprise the deduster being arranged on described fume extractor.
In technique scheme, boiler provided by the invention comprises combustion chamber, air-supply arrangement, fume extractor, coal pocket and is arranged on combustion chamber sidepiece and for carry the microwave office of microwave to combustion chamber, wherein the flue of fume extractor and coal pocket are all communicated with combustion chamber, air-supply arrangement comprises pressure fan and ajutage, the two ends of ajutage are communicated with pressure fan and combustion chamber respectively, and microwave office comprises magnetron, microwave office's body and is arranged on the microwave output window on microwave office's body.Boiler is in the time of work, carry respectively coal and air to combustion chamber by coal pocket and air-supply arrangement, microwave office carries microwave by microwave output window to combustion chamber, and microwave carries out disturbance to the coal grain in combustion chamber and hot-air, make its abundant mixed combustion, emit amount of heat.Gas after burning is discharged by the flue of fume extractor.
Known by foregoing description, in boiler provided by the invention, because microwave office carries microwave to combustion chamber, emit amount of heat, the combustion-supporting coal that can make of microwave is drier, improve coal utilization rate, reduce the loss of coal, avoid coal grain to discharge the situation that causes the wasting of resources, on the other hand, according to the combustion-supporting principle of microwave, microwave carries out disturbance to the coal grain in combustion chamber and hot-air, make its abundant mixed combustion, avoid generation and coal grain that sulfur oxide corrosion and nitrogen oxide generate to discharge, reduced environmental pollution.Therefore, boiler provided by the invention can reduce environmental pollution in reducing the wasting of resources.
Brief description of the drawings
The structural representation of the boiler that Fig. 1 provides for the embodiment of the present invention.
Wherein in Fig. 1: 1-fume extractor, 2-economizer, 3-air preheater, 4-deduster, 5-pressure fan, 6-microwave office, 61-microwave output window, 62-cooling water tank, 7-combustion chamber, 8-ajutage, 9-coal pocket, 10-heat exchanger, 11-steam (vapor) outlet, 12-water inlet, 13-chimney.
Detailed description of the invention
Core of the present invention is to provide a kind of boiler, and this boiler can reduce environmental pollution in reducing the wasting of resources.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 1, in a kind of detailed description of the invention, boiler provided by the invention comprises combustion chamber 7, chimney 13, heat exchanger 10, air-supply arrangement, fume extractor 1, coal pocket 9 and microwave office 6, wherein microwave office 6 is for carrying microwave to combustion chamber 7, microwave office 6 is arranged on the sidepiece of combustion chamber 7, coal pocket 9 is for to combustion chamber 7 coal supplies, the coal amount of feeding in control combustion chamber 7 simultaneously.The flue of fume extractor 1 and coal pocket 9 are all communicated with combustion chamber 7, and air-supply arrangement comprises pressure fan 5 and ajutage 8, and the two ends of ajutage 8 are communicated with pressure fan 5 and combustion chamber 7 respectively.Microwave office 6 comprises magnetron, microwave office's body and is arranged on the microwave output window 61 on microwave office's body, preferably, microwave output window 61 is ceramic output window, because microwave output window 61 is made up of the pottery with low loss characteristic, ensure microwave energy low-loss by and make microwave office there is good thermal insulation, improve the operating efficiency of boiler, avoided energy loss.Heat exchanger 10 is arranged on 7 tops, combustion chamber, and heat exchanger 10 is provided with steam (vapor) outlet 11 and water inlet 12, concrete, discharges in time for the ease of the steam in heat exchanger 10, and steam (vapor) outlet 11 is arranged on the top of heat exchanger 10.Chimney 13 is arranged on the outlet side of fume extractor 1, and wherein chimney 13 cigarette that puts a chimney on the stove and make the fire draw, drains flue gas, improves boiler combustion condition.
Boiler is in the time of work, carry coal and air to combustion chamber 7 respectively by coal pocket 9 and air-supply arrangement, microwave office 6 carries microwave by microwave output window 61 to combustion chamber 7, microwave carries out disturbance to the coal grain in combustion chamber 7 and hot-air, makes its abundant mixed combustion, emits amount of heat, heat exchanger 10 absorbs combustion chamber 7 radiant heat, water is heated into saturated vapor, and completes steam separation, the gas after burning is discharged by fume extractor 1 and chimney 13.
Known by foregoing description, in the boiler providing in the embodiment of the present invention, because microwave office 6 carries microwave to combustion chamber 7, emit amount of heat, the combustion-supporting coal that can make of microwave is drier, improve coal utilization rate, reduce the loss of coal, avoided coal grain to discharge, caused the situation of the wasting of resources, on the other hand, according to the combustion-supporting principle of microwave, microwave carries out disturbance to the coal grain in combustion chamber 7 and hot-air, makes its abundant mixed combustion, avoid generation and coal grain that sulfur oxide corrosion and nitrogen oxide generate to discharge, reduced environmental pollution.
Preferably, microwave office 6 is positioned at combustion chamber 7 inner chambers and is arranged on 7 sidewalls of combustion chamber.Because microwave office 6 is arranged in combustion chamber 7, while effectively having avoided microwave office 6 to carry microwave to combustion chamber 7, the situation of microwave loss, and microwave itself produce heat also can be transmitted in the water of boiler by heat exchanger 10, avoid energy dissipation.
Further, microwave office 6 also comprises cooling water tank 62, and cooling water tank 62 is connected with magnetron.By cooling water tank 62 is set, the situation of avoiding the high power magnetron excess Temperature that produces microwave to damage, has extended the service life of microwave office 6 effectively.
Certainly, this boiler also comprises economizer 2, and wherein economizer 2 is arranged on fume extractor 1.By arranging economizer 2, add the water of heat exchanger 10, water, in the time flowing through economizer 2, utilizes the flue gas flowing through in the flue of fume extractor 1, carries out waste heat recovery, thereby improves the economy of boiler.
Further, air-supply arrangement also comprises the air preheater 3 being arranged on fume extractor 1, and the inner chamber of air preheater 3 is communicated with the inner chamber of ajutage 8.Concrete, air preheater 3 can be arranged between ajutage 8 and pressure fan 5, moves for fear of existing upper boiler part position, and the present invention is preferred, and air preheater 3 is positioned at the air intake of pressure fan 5, has reduced staff's labour intensity.Preferably, air preheater 3 is arranged in after economizer 2, and air preheater 3 near chimney 13, utilizes the heat of lower low-temperature flue gas with respect to economizer 2, by air heat, plays air preheat effect, improves and overheavy firing.Hot-air, as the drier of coal, better improves coal utilization rate in addition, has reduced greatly the loss of coal.
On the basis of above-mentioned each scheme, this boiler also comprises the deduster 4 being arranged on fume extractor 1.By deduster 4 is set, can effectively remove the flying dust in flue gas, reduce the pollution to environment.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a boiler, comprise combustion chamber (7), air-supply arrangement, fume extractor (1) and coal pocket (9), the flue of described fume extractor (1) and described coal pocket (9) are all communicated with described combustion chamber (7), described air-supply arrangement comprises the ajutage (8) that pressure fan (5) and two ends are communicated with described pressure fan (5) and described combustion chamber (7) respectively, it is characterized in that, also comprise and be arranged on described combustion chamber (7) sidepiece and for carrying the microwave office (6) of microwave to described combustion chamber (7), described microwave office (6) comprises magnetron, microwave office's body and be arranged on the microwave output window (61) on described microwave office body.
2. boiler according to claim 1, is characterized in that, described microwave office (6) is positioned at described combustion chamber (7) inner chamber and is arranged on the sidewall of described combustion chamber (7).
3. boiler according to claim 1, is characterized in that, described microwave output window (61) is ceramic output window.
4. boiler according to claim 1, is characterized in that, described microwave office (6) also comprises cooling water tank (62), and described cooling water tank (62) is connected with described magnetron.
5. boiler according to claim 1, is characterized in that, also comprises the economizer (2) being arranged on described fume extractor (1).
6. boiler according to claim 1, is characterized in that, described air-supply arrangement also comprises the air preheater (3) being arranged on described fume extractor (1), and the inner chamber of described air preheater (3) is communicated with the inner chamber of described ajutage (8).
7. boiler according to claim 6, is characterized in that, described air preheater (3) is positioned at the air intake of described pressure fan (5).
8. according to the boiler described in any one in claim 1-7, it is characterized in that, also comprise the deduster (4) being arranged on described fume extractor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145815.9A CN103884011A (en) | 2014-04-11 | 2014-04-11 | Boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145815.9A CN103884011A (en) | 2014-04-11 | 2014-04-11 | Boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103884011A true CN103884011A (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410145815.9A Pending CN103884011A (en) | 2014-04-11 | 2014-04-11 | Boiler |
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| CN (1) | CN103884011A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186194A (en) * | 1996-12-26 | 1998-07-01 | 三菱重工业株式会社 | Method and apparatus for electric power generation |
| CN2475971Y (en) * | 2000-12-29 | 2002-02-06 | 袁汉斌 | Microwave heater |
| CN2535717Y (en) * | 2001-11-06 | 2003-02-12 | 陈绍勇 | Multifunctional microwave boiler apparatus |
| WO2004056468A1 (en) * | 2002-12-23 | 2004-07-08 | Outokumpu Technology Oy | Treatment of granular solids in a fluidized bed with microwaves |
| CN2898698Y (en) * | 2006-04-11 | 2007-05-09 | 梁喜发 | Electronic microwave heating boiler |
| CN200975663Y (en) * | 2006-09-05 | 2007-11-14 | 广州市优华能源技术有限公司 | Circulating fluid bed boiler by burning biomass |
| CN201043796Y (en) * | 2007-05-14 | 2008-04-02 | 辽宁德邦微波光电科技有限公司 | Microwave energy hot-water heating machine |
| CN101382288A (en) * | 2008-10-16 | 2009-03-11 | 浙江大学 | Method for controlling discharge of dioxin in incineration process of domestic garbage by sulfur composition in coal |
| CN203836936U (en) * | 2014-04-11 | 2014-09-17 | 成都曙光光纤网络有限责任公司 | Boiler |
-
2014
- 2014-04-11 CN CN201410145815.9A patent/CN103884011A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186194A (en) * | 1996-12-26 | 1998-07-01 | 三菱重工业株式会社 | Method and apparatus for electric power generation |
| CN2475971Y (en) * | 2000-12-29 | 2002-02-06 | 袁汉斌 | Microwave heater |
| CN2535717Y (en) * | 2001-11-06 | 2003-02-12 | 陈绍勇 | Multifunctional microwave boiler apparatus |
| WO2004056468A1 (en) * | 2002-12-23 | 2004-07-08 | Outokumpu Technology Oy | Treatment of granular solids in a fluidized bed with microwaves |
| CN2898698Y (en) * | 2006-04-11 | 2007-05-09 | 梁喜发 | Electronic microwave heating boiler |
| CN200975663Y (en) * | 2006-09-05 | 2007-11-14 | 广州市优华能源技术有限公司 | Circulating fluid bed boiler by burning biomass |
| CN201043796Y (en) * | 2007-05-14 | 2008-04-02 | 辽宁德邦微波光电科技有限公司 | Microwave energy hot-water heating machine |
| CN101382288A (en) * | 2008-10-16 | 2009-03-11 | 浙江大学 | Method for controlling discharge of dioxin in incineration process of domestic garbage by sulfur composition in coal |
| CN203836936U (en) * | 2014-04-11 | 2014-09-17 | 成都曙光光纤网络有限责任公司 | Boiler |
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Application publication date: 20140625 |