CN204460155U - Burner top set oil-burning gas-fired boiler structure - Google Patents
Burner top set oil-burning gas-fired boiler structure Download PDFInfo
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- CN204460155U CN204460155U CN201520088113.1U CN201520088113U CN204460155U CN 204460155 U CN204460155 U CN 204460155U CN 201520088113 U CN201520088113 U CN 201520088113U CN 204460155 U CN204460155 U CN 204460155U
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Abstract
The utility model provides a kind of burner top set oil-burning gas-fired boiler structure, comprise burner hearth, described burner hearth is separated into front and back two parts along depth direction, and two-part bottom, front and back communicates, the front portion of burner hearth is combustion chamber, described top of combustion chamber arranges fuel-firing gas-firing burner, and the bottom of combustion chamber is provided with the water-sealed container below ash dropping hopper and ash dropping hopper, and the outlet of ash dropping hopper is arranged in water-sealed container; The rear portion of burner hearth is reversal chamber; The exit of reversal chamber arranges convection bank; The outlet of reversal chamber seals with the tail vertical well arranged on rear side of convection bank and is communicated with, and the end of tail vertical well is provided with exhanst gas outlet; Arrange upper drum and lower drum respectively above and below convection bank, upper drum is connected by convection bank with lower drum; Water-cooling wall arranged by the surrounding of described burner hearth and partition wall, and the upper end delivery port of water-cooling wall is connected with upper drum, and upper drum connects feed pipe.This boiler hearth heating surface is not easy contaminated, and fuel combustion is abundant.
Description
Technical field
The utility model relates to a kind of burner top set oil-burning gas-fired boiler structure, especially a kind of oil-burning gas-fired boiler for plurality of liquid or gaseous fuel.
Background technology
Due to the continuous propelling of national energy-saving environmental protection policy, the waste gas and waste liquid that various chemical enterprise produces, that abandons not only wastes energy, more contaminated environment.This just requires that boiler maker man designs boiler, is equipped with suitable burner, is used by the energy that waste gas and waste liquid burning produces.The arrangement of traditional oil-burning gas-fired boiler burner is arranged horizontally, and is arranged in burner hearth front wall, side wall or rear wall, is also arranged in burner hearth corner.If conventional fuel (as natural gas, blast furnace gas, coke-stove gas, light oil, heavy oil etc.), horizontally disposed burner is equipped with suitable cloth wind structure and it can be burnt completely, if but the waste gas and waste liquid fuel that each enterprise of burning is self-produced, horizontally disposed burner may not be suitable.Because waste gas and waste liquid fuel composition is complicated, wherein have combustible composition and incombustible composition, combustibles, under burning wind action, is fully atomized, catches fire rapidly, complete combustion process; Non-combustible composition sprays into burner hearth and spreads to surrounding under burning wind action, spatters on furnace heating surface, pollutes heating surface, and As time goes on, Heat Transfer in Furnace effect declines, and affects boiler output.The heating surface tube coking that situation is serious, causes booster.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the oil-burning gas-fired boiler structure that a kind of burner is placed in furnace roof is provided, the heat energy that the self-produced waste liquid waste gas burning of enterprise produces can be made full use of, prolonged boiler service life, improve boiler thermal output.The technical solution adopted in the utility model is:
A kind of burner top set oil-burning gas-fired boiler structure, comprise burner hearth, described burner hearth is separated into front and back two parts along depth direction, and two-part bottom, front and back communicates, the front portion of burner hearth is combustion chamber, described top of combustion chamber arranges fuel-firing gas-firing burner, and the bottom of combustion chamber is provided with the water-sealed container below ash dropping hopper and ash dropping hopper, and the outlet of ash dropping hopper is arranged in water-sealed container; The rear portion of burner hearth is reversal chamber; The exit of reversal chamber arranges convection bank; The outlet of reversal chamber seals with the tail vertical well arranged on rear side of convection bank and is communicated with, and the end of tail vertical well is provided with exhanst gas outlet; Arrange upper drum and lower drum respectively above and below convection bank, upper drum is connected by convection bank with lower drum;
Water-cooling wall arranged by the surrounding of described burner hearth and partition wall, the water inlet of each water-cooling wall is connected with the water-cooling wall lower header of water-cooling wall bottom, water-cooling wall lower header is connected with upper drum by down-comer, and the upper end delivery port of water-cooling wall is connected with upper drum, and upper drum connects feed pipe.
Further, in tail vertical well, be provided with water preheater, water preheater upper collecting chamber connects upper drum by feed pipe, and water preheater lower header is as boiler feed water mouth.
Further, tail vertical well is provided with air preheater, the hot air outlet of air preheater connects fuel-firing gas-firing burner by air inlet pipe.
Further, the outlet of reversal chamber is positioned at reversal chamber upper back.
Further, heat insulation wall is provided with outside the water-cooling wall of burner hearth surrounding.
Further, upper drum and lower drum horizontally set.
The utility model has the advantage of:
1, burner is placed in top of combustion chamber, and flame vertical distributes, and the waste gas and waste liquid fuel do not burnt, due to Action of Gravity Field, gathers at bottom of combustion chamber, enter water seal arrangement, and periodic cleaning is discharged.
2, overhead burner, flexible arrangement, does not occupy ground exceptional space, convenient lifting, maintenance.
3, chamber design is unique, novel structure.Adopt U-shaped arrangement form, extend the time of staying of fuel in burner hearth.Be convenient to fully burning of fuel.
4, boiler adopts upper lower drum convection bank to add the arrangement form of back-end surfaces (in vertical shaft), guarantees that safe water circulation is reliable.
Accompanying drawing explanation
Fig. 1 is structure of the present utility model composition schematic diagram.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the oil-burning gas-fired boiler that the present embodiment proposes, comprises fuel-firing gas-firing burner 1, combustion chamber 2, reversal chamber 3, upper drum 4, convection bank 5, lower drum 6, water preheater 7, water preheater upper collecting chamber 8, water preheater lower header 9, air preheater 10, exhanst gas outlet 11, water-cooling wall lower header 12, ash dropping hopper 13, water-sealed container 14, front top plate 15, water-cooling wall 16, tail vertical well 17, down-comer 18, feed pipe 19 etc.
The utility model comprises burner hearth, described burner hearth is separated into front and back two parts along depth direction, and two-part bottom, front and back communicates, the front portion of burner hearth is combustion chamber 2, described combustion chamber 2 top layout fuel-firing gas-firing burner 1, the bottom of combustion chamber 2 is provided with the water-sealed container 14 below ash dropping hopper 13 and ash dropping hopper 13, and the outlet of ash dropping hopper 13 is arranged in water-sealed container 14.The rear portion of burner hearth is reversal chamber 3, the exit of the upper back of reversal chamber 3 arranges convection bank 5, convection bank 5 is provided with many, except some convection banks 5 in direction from front to back (in Fig. 1 from left to right to should the direction from front to back of boiler) intuitively seen in Fig. 1, be provided with many convection banks 5 from also arranging perpendicular to paper direction of Fig. 1.The upper back outlet of reversal chamber 3 seals with the tail vertical well 17 arranged on rear side of convection bank 5 and is communicated with, and reveals to prevent the flue gas of heat.The end of tail vertical well 17 is provided with exhanst gas outlet 11, is located at the lower end of tail vertical well 17 in exhanst gas outlet 11 examples.Difference horizontally set upper drum 4 and lower drum 6 above and below convection bank 5, upper drum 4 is connected by convection bank 5 with lower drum 6.In Fig. 1, upper drum 4 and lower drum 6 are all horizontal along the horizontal direction perpendicular to paper.
It should be noted that, water-sealed container 14 is adopted names in industry, and do not limit accommodation in water-sealed container 14 one is decided to be water, can be water with low cost, also can be can to the solution of unburnt fuel chemically reactive, to reduce the chemical toxicity of unburnt fuel.
The surrounding (comprising front wall, both walls, Hou Qiang) of described burner hearth and partition wall arrange water-cooling wall 16, the membrane wall structure that water-cooling wall is welded by steel pipe and band steel.Employing fin panel casing fully can absorb the radiant heat in burner hearth as front wall, side wall, rear wall and partition wall.In Fig. 1, mark 1601 is burner hearth front wall, and mark 1602 is the partition wall between the combustion chamber 2 of burner hearth and reversal chamber 3, and mark 1603 is wall after burner hearth, and both walls does not draw; Heat insulation wall is provided with, the heat insulation wall 1604 in such as Fig. 1 outside burner hearth front wall 1601, the heat insulation wall 1605 after burner hearth outside wall 1603 outside the water-cooling wall 16 of burner hearth surrounding.The water inlet of each water-cooling wall 16 is connected with the water-cooling wall lower header 12 of water-cooling wall bottom, the water inlet of such as partition wall 1602 with in partition wall water-cooling wall lower header 1201(Fig. 1 of its underpart perpendicular to paper) be connected, other mark 1202,1203,1204 is respectively front water wall lower header, rear water wall lower header and side water wall lower header.Water-cooling wall lower header 12 is connected with upper drum 4 by down-comer 18, and the upper end delivery port of water-cooling wall 16 is connected with upper drum 4.Upper drum 4 connects feed pipe 19.
Fuel-firing gas-firing burner 1 passes into oil or gaseous fuel and air and burns; Passed into the water that need heat to boiler by feed pipe 19.Flue gas is discharged from exhanst gas outlet 11 by tail vertical well 17.
In order to economize energy, be provided with water preheater 7 in tail vertical well 17, water preheater 7 is commonly called as economizer, fully can absorb the heat of flue gas in tail vertical well 17 in water preheater 7 containing intensive pipeline.Water preheater upper collecting chamber 8 connects upper drum 4 by feed pipe 19, and water preheater lower header 9 is as boiler feed water mouth.Cold water enters upper drum 4 after entering water preheater 7 preheating, heat cycles in upper drum 4, convection bank 5 and lower drum 6, and a part of water also carries out the circulation of upper drum 4-down-comer 18-water-cooling wall lower header 12-water-cooling wall 16-upper drum 4.
In addition, can also install air preheater 10 in the bottom of tail vertical well 17, the import of air preheater 10 is for inputting fresh cold air, and the hot air outlet of air preheater 10 connects fuel-firing gas-firing burner 1 by air inlet pipe.In Fig. 1, air inlet pipe is not shown, air inlet pipe is normally laid in burner hearth periphery, walks around burner hearth and is connected to burner, hereby illustrate.In Fig. 1, the position, bottom right of air preheater 10 is inlet of cold air, and position, upper left is hot air outlet.The air intlet of fuel-firing gas-firing burner 1 is arranged in the left side of its figure.
Above-mentioned fuel-firing gas-firing burner 1, combustion chamber 2, reversal chamber 3 are hung on front top plate 15, and upper drum 4, convection bank 5, lower drum 6 and tail vertical well 17, water preheater 7, air preheater 10 are bearing on boiler steel frame.
Boiler structure pattern described in the utility model is double-barrel transverse, room combustion fuel-firing gas-firing steam boiler, and endless form is Natural Circulation.Band arrow dotted line in Fig. 1 represents the direct of travel of flue gas, bottom, flue gas spontaneous combustion room 2 out after, because taking out of air-introduced machine (being located at outward outside exhanst gas outlet 11) is drawn, will through reversal chamber 3, again through convection bank 5 spaces, enter tail vertical well 17, after water preheater 7, air preheater 10, discharge boiler by exhanst gas outlet 11; Unburnt gas liquid composition is deposited on bottom combustion chamber 2 due to self gravitation effect, enters ash dropping hopper 13, water-sealed container 14, can periodic cleaning.This burner is adopted to be placed in top of combustion chamber new structure, the horizontally disposed traditional structure of burner more in the past, boiler hearth heating surface is not easy contaminated, fuel combustion is abundant, heating surface is arranged abundant, achieve the recycling target of the chemical enterprise waste gas and waste liquid energy, prolonged boiler service life, improve the economic benefit of enterprise.
Claims (6)
1. a burner top set oil-burning gas-fired boiler structure, comprises burner hearth, it is characterized in that:
Described burner hearth is separated into front and back two parts along depth direction, and two-part bottom, front and back communicates, the front portion of burner hearth is combustion chamber (2), described combustion chamber (2) top layout fuel-firing gas-firing burner (1), the bottom of combustion chamber (2) is provided with the water-sealed container (14) of ash dropping hopper (13) and ash dropping hopper (13) below, and the outlet of ash dropping hopper (13) is arranged in water-sealed container (14); The rear portion of burner hearth is reversal chamber (3); The exit of reversal chamber (3) arranges convection bank (5); The tail vertical well (17) that the outlet of reversal chamber (3) and convection bank (5) rear side are arranged seals and is communicated with, and the end of tail vertical well (17) is provided with exhanst gas outlet (11); Arrange upper drum (4) and lower drum (6) above and below convection bank (5) respectively, upper drum (4) is connected by convection bank (5) with lower drum (6);
Water-cooling wall (16) arranged by the surrounding of described burner hearth and partition wall, the water inlet of each water-cooling wall (16) is connected with the water-cooling wall lower header (12) of water-cooling wall bottom, water-cooling wall lower header (12) is connected with upper drum (4) by down-comer (18), the upper end delivery port of water-cooling wall (16) is connected with upper drum (4), and upper drum (4) connects feed pipe (19).
2. burner top set oil-burning gas-fired boiler structure as claimed in claim 1, is characterized in that:
Water preheater (7) is provided with in tail vertical well (17), water preheater upper collecting chamber (8) connects upper drum (4) by feed pipe (19), and water preheater lower header (9) is as boiler feed water mouth.
3. burner top set oil-burning gas-fired boiler structure as claimed in claim 1, is characterized in that:
Tail vertical well (17) is provided with air preheater (10), and the hot air outlet of air preheater (10) connects fuel-firing gas-firing burner (1) by air inlet pipe.
4. burner top set oil-burning gas-fired boiler structure as claimed in claim 1, is characterized in that:
The outlet of reversal chamber (3) is positioned at reversal chamber (3) upper back.
5. burner top set oil-burning gas-fired boiler structure as claimed in claim 1, is characterized in that:
Water-cooling wall (16) outside of burner hearth surrounding is provided with heat insulation wall.
6. burner top set oil-burning gas-fired boiler structure as claimed in claim 1, is characterized in that:
Upper drum (4) and lower drum (6) horizontally set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088113.1U CN204460155U (en) | 2015-02-06 | 2015-02-06 | Burner top set oil-burning gas-fired boiler structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088113.1U CN204460155U (en) | 2015-02-06 | 2015-02-06 | Burner top set oil-burning gas-fired boiler structure |
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| CN204460155U true CN204460155U (en) | 2015-07-08 |
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| CN201520088113.1U Active CN204460155U (en) | 2015-02-06 | 2015-02-06 | Burner top set oil-burning gas-fired boiler structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633632A (en) * | 2015-02-06 | 2015-05-20 | 无锡华光工业锅炉有限公司 | Oil or gas boiler structure with burner arranged on top |
| CN105588100A (en) * | 2016-03-02 | 2016-05-18 | 煤炭科学技术研究院有限公司 | Full-film type wall water-fire tube boiler |
-
2015
- 2015-02-06 CN CN201520088113.1U patent/CN204460155U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633632A (en) * | 2015-02-06 | 2015-05-20 | 无锡华光工业锅炉有限公司 | Oil or gas boiler structure with burner arranged on top |
| CN105588100A (en) * | 2016-03-02 | 2016-05-18 | 煤炭科学技术研究院有限公司 | Full-film type wall water-fire tube boiler |
| CN105588100B (en) * | 2016-03-02 | 2018-07-24 | 煤科院节能技术有限公司 | A kind of full film type wall fire tube boiler |
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