CN201753919U - Coal gasification diffusion combustion environmental protection boiler - Google Patents
Coal gasification diffusion combustion environmental protection boiler Download PDFInfo
- Publication number
- CN201753919U CN201753919U CN2010202979606U CN201020297960U CN201753919U CN 201753919 U CN201753919 U CN 201753919U CN 2010202979606 U CN2010202979606 U CN 2010202979606U CN 201020297960 U CN201020297960 U CN 201020297960U CN 201753919 U CN201753919 U CN 201753919U
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Abstract
The utility model discloses a coal gasified diffusion combustion environmental protection boiler, which is characterized in that, a boiler body is provided with an air inlet chamber, a coal storage chamber, a combustion chamber and a bottom slag chamber from top to bottom in turn, an air inlet channel with an electric air brake is arranged at the top of the boiler body, the air can be fed to the air inlet chamber positioned at the top of the boiler body by a blast blower through the air inlet channel, a heat exchange chamber is arranged in parallel at one side of the boiler body, the heat exchange chamber is communicated with the combustion chamber at the bottom, the heat exchange chamber is communicated with a flue canal at the top. The utility model can enable the coal to be gasified firstly, and then to be combusted based on the coal gasification principle, the thermal efficiency of the coal can reach more than 85% through the test, in addition, the flue gas can be purified by the adsorption of the slag, and the utility model is environment-friendly.
Description
Technical field
The utility model relates to a kind of coal-burning boiler, a kind of coal gasification diffusion combustion boiler of more specifically saying so.
Background technology
In some miniature boilers, do not allow coal burn fully because of there being bigger space, there also do not have perfect device to allow coal in this kind miniature boiler carry out to be recycling, so that the thermal efficiency of boiler is low, and produces severe contamination.According to combustion process, under field conditions (factors), the burning of coal gas all is from bottom to top, the burning of coal process at first is that the heating process of coal makes it reach ignition point, and the process that will have an amount of air to mix with it just can reach in ratio reaches firing range and burn then, general burning of coal is preliminary heating zone from bottom to top, make the coal preheating, the temperature of coal is more and more high in the process that rises, and reaches ignition temperature and incendivity when an amount of air mixes in temperature.Because in the burning of coal process, the final burning of coal is the topmost in the coal seam, the bottom of burning zone can not get sufficient burning, if the flue gas that coal produces from burner hearth burning and the heating surface on top by heat exchange after directly discharge, because the space of boiler is less, the flow process of flue gas is shorter like this, the heat exchange fully of flue gas and heating surface, thereby the temperature of fume emission is higher, does not reach the national basic demand of energy-conservation discharging.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, provide a kind of and reduce the particulate matter in the smoke evacuation in the hope of improving the thermal efficiency of miniature boiler, playing effect in energy saving and environmental protection.
The utility model technical solution problem adopts following technical scheme:
The design feature of the utility model coal gasification diffusion combustion environment-protection boiler is that body of heater sets gradually from top to bottom and is inlet air plenum, coal storeroom, combustion chamber, bottom ashe chamber, be provided with the air inlet duct of electronic air lock at described body of heater top, air blast is blown to the inlet air plenum that is positioned at the body of heater top by air inlet duct, side at described body of heater is arranged in parallel Heat Room, described Heat Room is in bottom and combustion chamber UNICOM, and described Heat Room is communicated with flue at the top.
The design feature of the utility model coal gasification diffusion combustion environment-protection boiler also is:
Upper grate is set in coal storeroom, lower floor's fire grate is set in the combustion chamber.
Described upper grate and lower floor's fire grate are water-cooled grate.
The utility model utilizes the coal gasification principle, makes coal at first carry out coal gasification, and then burning, thereby makes coal-burning boiler reach the effect of gas fired-boiler.Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model is by adjusting the flue gas flow of boiler internal, coal gasification and burning are all finished in self body of heater, this is different from the situation that has middle radiation loss in the existing gas burner, the thermal efficiency of boiler is significantly improved, reduce the particulate matter in the smoke evacuation simultaneously, played the effect of environmental protection.
2, the utility model sets up upper grate and lower floor's fire grate separately, helps the abundant burning of coal, further improves the thermal efficiency.
3, but the utility model continuous burning behind a coal reaches tens hours, need not staff on duty midway, the very big labour intensity that reduced.
4, the utility model boiler is to move under passive state, need not the strict restrictive condition operation according to special equipment, can in all case use.
Description of drawings
Fig. 1 is the utility model structural representation.
Number in the figure: fire door, 5 coal storeroom, 6 upper furnace doors, 7 inlet air plenum, 8 electronic air locks, 9 flues, 10 air blasts, 11 air-valves, 12 Heat Rooms, 13 cleaning doors, 14 cinder chamber, 15 upper grates, 16 lower floor's fire grates in 1 slag-drip opening, 2 combustion chambers, 3 observation panels, 4.
The specific embodiment
Referring to Fig. 1, in the present embodiment, body of heater sets gradually from top to bottom and is inlet air plenum 7, coal storeroom 5, combustion chamber 2 and bottom ashe chamber 14; Be provided with the air inlet duct of electronic air lock 8 at the top of body of heater, air blast 10 is blown to the inlet air plenum 7 that is positioned at the body of heater top by air inlet duct; Side at body of heater is arranged in parallel Heat Room 12, and Heat Room 12 is connected with combustion chamber 2 in the bottom, and Heat Room 12 is communicated with flue 9 at the top.
In concrete the enforcement, upper grate 15 is set in coal storeroom 5, lower floor's fire grate 16 is set in combustion chamber 2, upper grate 15 and lower floor's fire grate 16 all adopt water-cooled grate.Also be provided with on the relevant position on the body of heater: slag-drip opening 1, observation panel 3, middle fire door 4, upper furnace door 6, cleaning door 13 and air-valve 11.
Flue gas enters into Heat Room from the bottom of the burner hearth of boiler, by the blast that air blast produced, the coal gas that coal produced in the burner hearth is entered the combustion chamber internal combustion by the coal seam adverse current in the coal storeroom, and air blast distributes air quantity by electronic air lock in inlet air plenum.
The coal seam is most of burned in coal storeroom 5, and the fraction coal rests on the upper grate 15, fire door 4 in opening, and the carbon fire that tool using can also use moves on on lower floor's fire grate 16; Recrement on lower floor's fire grate 16 in the combustion chamber 2 can directly be removed with instrument; In the actual condition, the carbon-coating that on lower floor's fire grate 16, keeps the coke shape of one deck slow fire as far as possible, so that improve the temperature of lower hearth, only when keeping higher temperature, could assist from the unburnt carbon after-flame of the part that upper grate 15 is fallen down, thereby reach the higher thermal efficiency, also be beneficial to and improve the lower hearth temperature, thereby burnout any combustible, reach the effect of environmental protection.For this reason, can usually collude down the fiery carbon of some flammable red heat, form the condition of high temperature of lower hearth from upper fire-grating.
On upper grate, lay the coal seam, the bottom new coal seam, one deck bottom of laying, the coal of the previous unburnt red heat state of laying one deck is laid new coal seam, one deck top more in the above on the new coal seam, bottom;
The carbon-coating that on lower floor's fire grate, keeps the coke shape of one deck slow fire, so that improve the temperature of lower hearth, only when keeping higher temperature, could assist will be from the unburnt carbon after-flame of the part that upper grate 15 falls down, thereby reach the higher thermal efficiency, also help improving the lower hearth temperature, thereby burnout any combustible, reach the effect of environmental protection.
Wind energy that is entered by inlet air plenum 7 tops by coal storeroom's top blowers distribute makes the completing combustion of coal part, makes flue gas from top to bottom by the filtration in coal seam, can adsorb the part particulate matter in the flue gas; The secondary wind that is entered by coal storeroom 5 bottoms of blowers distribute further burns the unburnt coal gas of a part again, and the tertiary air inlet is in the bottom of combustion chamber 2; By coal storeroom's top air blast air-supply, make flue gas from top to bottom by the filtration in coal seam, can adsorb the part particulate matter in the flue gas; By adjusting the smokeless state that air quantity reaches burning.
Claims (3)
1. coal gasification diffusion combustion environment-protection boiler, it is characterized in that body of heater sets gradually from top to bottom is inlet air plenum (7), coal storeroom (5), combustion chamber (2), bottom ashe chamber (14), be provided with the air inlet duct of electronic air lock (8) at described body of heater top, air blast (10) is blown to the inlet air plenum that is positioned at the body of heater top (7) by air inlet duct, side at described body of heater is arranged in parallel Heat Room (12), described Heat Room (12) is in bottom and combustion chamber (2) UNICOM, and described Heat Room (12) is communicated with flue (9) at the top.
2. coal gasification diffusion combustion environment-protection boiler according to claim 1 is characterized in that in described coal storeroom (5) upper grate 15 being set, and lower floor's fire grate (16) is set in combustion chamber (2).
3. coal gasification diffusion combustion environment-protection boiler according to claim 2 is characterized in that described upper grate (15) and lower floor's fire grate (16) are water-cooled grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202979606U CN201753919U (en) | 2010-08-12 | 2010-08-12 | Coal gasification diffusion combustion environmental protection boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202979606U CN201753919U (en) | 2010-08-12 | 2010-08-12 | Coal gasification diffusion combustion environmental protection boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201753919U true CN201753919U (en) | 2011-03-02 |
Family
ID=43621651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202979606U Expired - Lifetime CN201753919U (en) | 2010-08-12 | 2010-08-12 | Coal gasification diffusion combustion environmental protection boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201753919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322554A (en) * | 2013-06-20 | 2013-09-25 | 王卫世 | Return burning energy-saving furnace matched with boiler and use method of furnace |
-
2010
- 2010-08-12 CN CN2010202979606U patent/CN201753919U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322554A (en) * | 2013-06-20 | 2013-09-25 | 王卫世 | Return burning energy-saving furnace matched with boiler and use method of furnace |
| CN103322554B (en) * | 2013-06-20 | 2016-01-20 | 王卫世 | One is joined boiler and is returned burning saving furnace and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110302 |