CN101169241A - Combustion apparatus for r.p.f boiler - Google Patents
Combustion apparatus for r.p.f boiler Download PDFInfo
- Publication number
- CN101169241A CN101169241A CNA2007101476655A CN200710147665A CN101169241A CN 101169241 A CN101169241 A CN 101169241A CN A2007101476655 A CNA2007101476655 A CN A2007101476655A CN 200710147665 A CN200710147665 A CN 200710147665A CN 101169241 A CN101169241 A CN 101169241A
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- CN
- China
- Prior art keywords
- combustion
- solid fuel
- burning
- boiler
- combustion furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
- F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B1/00—Combustion apparatus using only lump fuel
- F23B1/16—Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support
- F23B1/20—Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support using step-type grate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
- F23M9/02—Baffles or deflectors for air or combustion products; Flame shields in air inlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B2700/00—Combustion apparatus for solid fuel
- F23B2700/003—Combustion apparatus for solid fuel adapted for use in water-tube boilers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The invention relates to a solid fuel boiler for combusting solid fuel and utilizing the generated heat, in particular, relates to a combustion train for the solid fuel boiler, which is characterized in that combustion efficiency is enhanced by arranging a screw air nozzle on the combustion furnace and ash is combusted again; the solid fuel is combusted in the combustion furnace, and the heat and pyrogenic distillation gas are recovered and utilized by re-combustion to produce warm water and hot wind. The inflamed gases can be discharged outwardly through a subarid absorptive tower and a filter collector; a screw air nozzle is disposed on the downstepped grate for burning solid fuel in the combustion furnace to make the combustion air generate cyclone and be fed into the combustion furnace. An air nozzle for supplying combustion air to re-combust the solid fuel of incomplete combustion is disposed at the two sides of the inlet for discharging the combustion ash.
Description
Technical field
The present invention relates to the burner of a kind of solid fuel with boiler, more specifically, relate to a kind of with solid fuel (R.P.F:Refuse Plastic Fuel, R.D.F:Refuse Derived Fuel) the solid fuel boiler that is used of the heat that produced of burning, it with the raising efficiency of combustion, and burns the ash after the burning by the screw type air nozzle is set on combustion furnace once more, thereby prevent the waste of fuel, and make the fuel efficiency maximization.
Background technology
As because the exhaustions of petroleum resources etc. are former thereby solid fuel (the R.P.F:Refuse Plastic Fuel of one of the alternative energy source of exploitation, R.D.F:Refuse Derived Fuel), it is meant that the combustible waste that will be produced in factory and the house refuse screens, after separating, again with it through after pulverizings, drying, compression, dechlorination and adding additive, the operation such as fixed-type, the solid fuel that produces.
The caloric value of this solid fuel is higher, simultaneously, as the fuel that utilizes discarded object to manufacture, its less expensive, and, because it is to recycling of waste resources, therefore have favorable economic benefit.Simultaneously, the gas that fuel is produced when burning does not have corrosivity to burner, and its storage facilities also there is no need to be provided with other safety means.Owing to have above-mentioned plurality of advantages, therefore,,, and also just be widely used in the bigger rural area of oils cost burden not only at various industrial circles as a kind of alternative energy source.
As mentioned above, thereby the burning solid fuel is to the boiler of the solid fuel with multiple structure of its required heat energy of supplies such as various industrial sites, in publication 2004-0107168 number and registration utility model communique 20-0319212 number, the 20-0390958 grade all has introduction, has a look the solid fuel boiler relevant with the present invention below.
At first, the relevant once solid fuel boiler of simple knowledge with the present invention; As shown in Figure 1, its formation comprises, thereby supplies with the combustion furnace (100) that solid fuel makes its burning from the fuel storage storehouse; On combustion furnace (100), be provided with, drop into solid fuel and make a plurality of notch cuttype fire grates (Grate) (101,101 ') of its burning, make the solid fuel burning; In combustion furnace (100), the heat and the carbonizing gas that are produced during with the burning solid fuel, burning once more in waste heat boiler (200) and reclaiming utilizes on approach such as warm water and hot blast it; Its burning gases discharge by half dry type absorption tower (400) and filter dust collector (500).
The solid fuel boiler of original technology, upward fire grate (101,101 ') is set at the combustion furnace (100) that makes the solid fuel burning with multistage notch cuttype, and at fire grate (101,101 ') bottom is provided with air nozzle with the supply combustion air, thereby makes the solid fuel burning.
Above-mentioned combustion process, the combustion air that utilizes air blast to supply with to combustion furnace (100) by air nozzle directly disperses, make the inhomogeneous and deflection of air of supply, like this, combustion air just can not be in combustion furnace long range diffusion, thereby combustion air also just can not mix with solid fuel fully, like this, the non-combustion rate of fuel is just than higher, and its efficiency of combustion can be not high yet.
In addition, in the higher combustion process of this non-combustion rate, unburnt solid fuel is discharged in a large number, thereby produces the problems such as a large amount of wastes of fuel.
That is to say, the ash of the solid fuel of burning is discharged to the outside by ash handling equipment (300) in combustion furnace (100), then, transfer, handle by grey transfer device (600), at this moment, the ash of not clean-burning block imperfect combustion solid fuel is also together discharged to the outside, causes a large amount of wastes of fuel, thereby produces problems such as efficiency of combustion and thermal efficiency reduction.
The technical task that invention will realize
The objective of the invention is to, by on the fire grate in the combustion furnace that drops into solid fuel and burning the screw type air nozzle being set,, thereby just improve efficiency of combustion so that combustion air spreads in the larger context, and fully mixes with fuel;
The front that discharges the ash handling equipment of the ash after the burning is provided with the air nozzle that can supply with combustion air, thereby burning is once again before being discharged from for the ash that makes imperfect combustion solid fuel.Like this, waste of fuel is minimized, and make the efficiency of combustion maximization.
Summary of the invention
Fig. 1 is the overall structure figure of expression solid fuel according to the present invention with boiler, and Fig. 2 is the synoptic diagram of expression according to burner of the present invention, and Fig. 3 is an expression important document summary enlarged drawing of the present invention, Fig. 4, and the 5th, represent a part of important document summary enlarged drawing of the present invention.
Solid fuel according to the present invention has following feature with the formation of boiler: the solid fuel that drops into from the fuel storage storehouse is when combustion furnace (100) internal combustion, the heat and the carbonizing gas that are produced are used by approach such as production warm water and hot blasts by the heat that is produced that burns once more in waste heat boiler (200), its burning gases are discharged by half dry type absorption tower (400) and filter dust collector (500);
The bottom surface or the side of the fire grate (101,101 ') that is provided with downward notch cuttype in combustion furnace (100) are provided with screw type air nozzle (1,1 '); For unburnt solid fuel is burnt once more, also be provided with air nozzle (2,2 ') in the porch of the treating apparatus again (300) of combustion furnace (100).To be described in detail formation of the present invention below.
Description of drawings
Fig. 1 represents the overall structure figure of solid fuel according to the present invention with boiler;
Fig. 2 represents to be suitable for the synoptic diagram of burner of the present invention;
Fig. 3 represents important document summary enlarged drawing of the present invention;
Fig. 4,5 expressions a part of important document summary enlarged drawing of the present invention.
Detailed description of main elements
100: combustion furnace 200: waste heat boiler
300: ash handling equipment 400: the half dry type absorption tower
500: filter dust collector 600: grey transfer device
101,101 ': fire grate (Grate)
1,1 ': screw type air nozzle 11: volume (Coil) pipe portion
12: supply pipe 13: nozzle bore
2,2 ': air nozzle 21: pipe crimping portion
22: supply pipe 23: nozzle bore
The specific embodiment
Each fire grate (101,101 ') that is provided with downward staged in combustion furnace (100) is provided with screw type air nozzle (1,1 ').
At fire grate (101,101 ') the last screw type air nozzle (1 that is provided with, 1 ') on to be formed with the terminal part of supply pipe (12) be the pipe crimping portion (12) of spiral (Coil) type, its air nozzle (1,1 ') make the combustion air of supplying with by the supply pipe (12) that is connected with air blast be the eddy current dispersion through pipe crimping portion (12), and in combustion furnace (100), produce cyclone (Cyclone) when supplying with, like this, just can make the combustion air diffusion of in combustion furnace (100), supplying with, and fully mix, thereby promote the burning of fuel with solid fuel.
In combustion furnace (100), be eddy current dispersion supply in order to utilize screw type air nozzle (1,1 ') to make combustion air pass through pipe crimping portion (12), just should make nozzle bore (13) have certain anglec of rotation.
In addition, for the ash that makes unburnt solid fuel burns once more, the ash of the solid fuel after will burning is provided with air nozzle (2,2 ') by the inlet both sides of the ashpit (301) that ash handling equipment (300) discharges.
Passing through ash handling equipment (300) before grey transfer device (600) is discharged, air nozzle (2,2 ') supply with combustion air to the ash of unburnt solid fuel, thereby the ash of the solid fuel that is in the imperfect combustion state is burnt once more, like this, just can reduce the waste of solid fuel, and improve efficiency of combustion.
Above-mentioned air nozzle (2,2 ') also with said spiral type air nozzle (1,1 ') situation the same, preferably, the terminal definite part of its supply pipe (22) constitutes spiral (Coil) type pipe crimping portion (21), makes the combustion air of supplying with by the supply pipe (22) that is connected with air blast through pipe crimping portion (21), and be eddy current by nozzle bore (23) and disperse supply with, like this, supply with, thereby improve efficiency of combustion by the diffusion of combustion air.
In these cases, be eddy current dispersion supply for the nozzle bore (23) that can utilize air nozzle (2,2 ') makes combustion air pass through pipe crimping portion (21), nozzle bore (23) also has certain anglec of rotation.
According to as above structure of the present invention, it has as inferior advantage: on the fire grate (101,101 ') of combustion furnace (100) screw type air nozzle (1,1 ') is set, so that the combustion air of being supplied with spreads in the larger context, thereby make the efficiency of combustion maximization of fuel; Supply with combustion air by air nozzle (2,2 '), make the ash burning once more before being discharged from after the burning, thereby reduce the waste of fuel, and improve efficiency of combustion.
In combustion furnace (100), supply with solid fuel, through the fire grate (101 that is provided with downward notch cuttype, 101 ') and burning, with its heat of being produced of burning and carbonizing gas in waste heat boiler (200) once more the heat that produced of burning recycled by producing approach such as warm water, hot blast, simultaneously, the ash after its burning is discharged by ash handling equipment.
Fire grate (101 in the combustion furnace (100) that drops into the solid fuel after-combustion, 101 ') in, the combustion air that is the supply of eddy current form through pipe crimping portion (11) in combustion furnace (100) makes the supply diffusion of combustion air abundant and rapid, thereby makes the efficiency of combustion maximization.
Fire grate (101 at combustion furnace (100), 101 ') the last screw type air nozzle (1 that is provided with, 1 '), enter into process in the combustion furnace (100) at air through pipe crimping portion (11), by pipe crimping portion (11) thus the portion of spraying within it produces eddy current to be supplied with, like this, just not only can make a large amount of air equably in the inner long range diffusion of combustion furnace (100) at short notice, and it is mixed more fully with solid fuel, thereby significantly improve the efficiency of combustion of solid fuel.
In addition, on fire grate (101,101 '), with the air nozzle (2 of the ash after the burning to ashpit (301) the inlet both sides setting of the treating apparatus again (300) of grey transfer device (600) discharge, 2 ') supply with combustion air to the back but unburnt ash that burns, thus it is burnt once more.
That is to say that air nozzle (2,2 ') is supplied with combustion air to the unburnt ash of discharging before to grey transfer device (600) by ash handling equipment (300), thereby it burns once more, like this, reduces the waste of fuel, and improve efficiency of combustion.
In addition, the air nozzle (2,2 ') of the above-mentioned combustion air of this supply is also the same with said spiral type air nozzle (1,1 '), if the screw type of constituting can make combustion air be eddy current and disperse to supply with, thereby improve its efficiency of combustion.
Beneficial effect
As mentioned above, according to solid fuel boiler of the present invention, by establishing at combustion furnace (100) Put screw type air nozzle (1,1 '), thereby make in the larger context equably diffusion of combustion air, Thereby raising efficiency of combustion;
By in the porch for the treatment of apparatus (300) again the air nozzle that can supply with combustion air being set (2,2 '), thus make the again burning and with its discharge before being discharged from of ash after the burning, like this, Just can reduce the waste of fuel, and make the efficiency of combustion maximization, thereby it is forthright to strengthen thermal effect, real Minimizing of existing waste of fuel obtains multinomial economic benefit.
Claims (3)
1. a solid fuel is with the burner of boiler, it can make solid fuel in combustion furnace (100) internal combustion of solid fuel with boiler, and its heat of being produced of burning and carbonizing gas burnt once more recycled to produce approach such as warm water and hot blast, its burning gases can discharge by half dry type absorption tower (400) and filter dust collector (500), it is characterized in that
The fire grate (101,101 ') that can make the solid fuel burning with downward notch cuttype setting in combustion furnace (100) is provided with screw type air nozzle (1,1 '), thereby makes combustion air at the inner cyclone (Cyclone) that produces of combustion furnace (100).
2. the solid fuel as claimed in claim 1 burner of boiler is characterized in that,
Screw type air nozzle (1,1 ') to be formed with the terminal part of supply pipe (12) be the pipe crimping portion (11) of spiral (Coil) type, and form nozzle bore (13) with certain anglec of rotation, thereby be the eddy current diffusion after making the combustion air process pipe crimping portion (11) that supplies with by the supply pipe (12) that is connected with air blast, and in combustion furnace (100), produce cyclone (Cyclone).
3. a solid fuel is with the burner of boiler, it can make solid fuel in combustion furnace (100) internal combustion of solid fuel with boiler, and its heat of being produced of burning and carbonizing gas burnt once more recycled to produce approach such as warm water and hot blast, its burning gases can discharge by half dry type absorption tower (400) and filter dust collector (500), it is characterized in that
For the ash that makes unburnt solid fuel burns once more, the both sides of ash handling equipment (300) inlet that the ash of the solid fuel after will burning is discharged are provided with the air nozzle (2,2 ') that can supply with combustion air.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060104454 | 2006-10-26 | ||
| KR10-2006-0104454 | 2006-10-26 | ||
| KR1020060104454A KR100762077B1 (en) | 2006-10-26 | 2006-10-26 | Combustion apparatus for R.P.F Boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101169241A true CN101169241A (en) | 2008-04-30 |
| CN101169241B CN101169241B (en) | 2010-06-02 |
Family
ID=37653643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101476655A Expired - Fee Related CN101169241B (en) | 2006-10-26 | 2007-08-31 | Combustion apparatus for solid fuel boiler |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100762077B1 (en) |
| CN (1) | CN101169241B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353060A (en) * | 2011-07-25 | 2012-02-15 | 福建省丰泉环保控股有限公司 | Novel incineration grate equipment with mixed-rotating and self-rotating combustion airflow |
| CN102374542A (en) * | 2011-07-25 | 2012-03-14 | 福建省丰泉环保控股有限公司 | Novel incineration fire grate segment with left self-rotating combustion airflow |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100915700B1 (en) * | 2008-07-07 | 2009-09-04 | (주) 태종 엔이씨 | Clinker cleaning apparatus of incinerator |
| KR101019059B1 (en) * | 2010-02-23 | 2011-03-07 | 부강산업(주) | Twister have a incineration apparatus |
| KR101273312B1 (en) | 2011-08-23 | 2013-06-11 | 한국에너지기술연구원 | Fluidized bed combustion apparatus with stair type air supplier |
| KR101325750B1 (en) * | 2012-03-22 | 2013-11-08 | 주식회사 대경에스코 | The bio boiler with the facility which removes the dust to the automatic |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413176Y (en) * | 1999-11-09 | 2001-01-03 | 成都市节能技术服务中心 | Two-sectional living refuse incinerator |
| CN2490436Y (en) * | 2001-07-23 | 2002-05-08 | 牟正寿 | Rotary kiln type medical refuse incinerator |
| CN2599404Y (en) * | 2003-01-29 | 2004-01-14 | 胡镇成 | Multistage wearless grid garbage incinerator |
| CN1221762C (en) * | 2003-02-12 | 2005-10-05 | 株式会社田熊 | Mechanical stoker type destructor and refuse burning method |
| JP3759116B2 (en) * | 2003-03-28 | 2006-03-22 | 株式会社プランテック | Vertical waste incinerator for waste incineration and control method thereof |
-
2006
- 2006-10-26 KR KR1020060104454A patent/KR100762077B1/en active IP Right Grant
-
2007
- 2007-08-31 CN CN2007101476655A patent/CN101169241B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353060A (en) * | 2011-07-25 | 2012-02-15 | 福建省丰泉环保控股有限公司 | Novel incineration grate equipment with mixed-rotating and self-rotating combustion airflow |
| CN102374542A (en) * | 2011-07-25 | 2012-03-14 | 福建省丰泉环保控股有限公司 | Novel incineration fire grate segment with left self-rotating combustion airflow |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100762077B1 (en) | 2007-10-01 |
| CN101169241B (en) | 2010-06-02 |
| KR20060116782A (en) | 2006-11-15 |
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Granted publication date: 20100602 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |