CN2847051Y - Single boiler tube longitudinal by-path flue pipe sectioned burning constant pressure water heating boiler - Google Patents
Single boiler tube longitudinal by-path flue pipe sectioned burning constant pressure water heating boiler Download PDFInfo
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- CN2847051Y CN2847051Y CN 200520092125 CN200520092125U CN2847051Y CN 2847051 Y CN2847051 Y CN 2847051Y CN 200520092125 CN200520092125 CN 200520092125 CN 200520092125 U CN200520092125 U CN 200520092125U CN 2847051 Y CN2847051 Y CN 2847051Y
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- burner hearth
- flue
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Abstract
The utility model relates to a single boiler tube longitudinal side flue sectioned burning constant pressure water heating boiler, which mainly comprises a chain grate device, a hearth, a boiler barrel, a water wall tube and a side header, wherein the interior of the hearth is provided with a hanging arch of a preheating drying gasification section, and the hanging arch of the preheating drying gasification section and one side wall of the hearth form a preheating drying gasification section in the hearth; a hanging arch of a burning section is arranged in the hearth, and a main burning section is formed in the hearth between the hanging arch of the burning section and the hanging arch of the preheating drying gasification section; a back arch and a grille smokestack on the upper part of the back arch is arranged in the hearth, and a burned ash section is formed by the back arch, the grille smokestack on the upper part of the back arch and the other side wall of the hearth; the burned ash section is communicated with a side flue surrounded by the side walls of the hearth, the side lower edge of the boiler barrel and an outside boiler wall; the side flue is communicated with a smoke exhausting port of the exhausting opening of the boiler barrel. Volatile matters and suspended burnable substances in coal are sufficiently burnt by dividing the hearth into the preheating drying gasification section, the main burning section and the burned ash section, and the burning is sufficient. Consequently, the boiler efficiency is raised, the energy is saved, and the environment protecting effect is good.
Description
One, technical field: the utility model relates to a kind of heating equipment, particularly is a kind of other flue sectional combustion of single drum longitudinal normal-pressure hot-water boiler of environmental protection and energy saving.
Two, background technology: at present, at the northern China heat supply in winter, bathing, productive life adopts coal-burning boiler with most areas of hot water and unit more, because the shortcoming of conventional boiler on chamber structure is arranged, chimney arch before and after major part only is provided with, heterogeneous and the multistage characteristics that present in the raw coal combustion have been ignored, greatly influenced the burning of burner hearth inner suspension combustible, make tiny ickings and imflammable gas such as carbon monoxide, sulfur dioxide, the BaP that also has burning to generate, hydrocarbons such as nitrogen oxide fail fully to burn, and cause boiler output poor, and efficient is low, over-emitting black exhaust, not only cause the huge waste of the energy, and have a strong impact on environment, atmosphere pollution.
Three, summary of the invention:
1, goal of the invention: the utility model provides the other flue sectional combustion of a kind of single drum longitudinal normal-pressure hot-water boiler, its purpose is to solve the conventional boiler chamber structure and arranges not good, greatly influenced the burning degree of burner hearth inner suspension combustible, efficient is hanged down the problem that aspects such as reaching contaminated environment exists.
2, technical scheme: the utility model is achieved through the following technical solutions:
The other flue sectional combustion of a kind of single drum longitudinal normal-pressure hot-water boiler is characterized in that: this boiler mainly comprises the burner hearth that traveling-grate stoker device, traveling-grate stoker device be provided with above, drum, water screen tube and the side collecting box pipe that burner hearth is provided with above; Be provided with preheating and drying gasification section hanging arch in the burner hearth, a sidewall of preheating and drying gasification section hanging arch and burner hearth forms the preheating and drying gasification section in burner hearth; Be provided with the burning zone hanging arch in the burner hearth, in burner hearth, form main burning zone between burning zone hanging arch and the preheating and drying gasification section hanging arch; Be provided with rear arch and rear arch top grid smokestack in the burner hearth, another sidewall of rear arch, rear arch top grid smokestack and burner hearth forms burning segment in burner hearth; Burning segment is communicated with the other flue that outside furnace wall contains with burner hearth sidewall and drum side lower edge; Other flue communicates with the exhaust opening of drum.
Preheating and drying gasification section hanging arch top has the gasification section smokestack, and the below of preheating and drying gasification section hanging arch and burning zone hanging arch is provided with hanging arch water cooling tube group, also is provided with hanging arch pipe group lower clapboard below the water cooling tube group of preheating and drying gasification section hanging arch.
The low chimney arch in high back before being provided with before and after the burner hearth, the outer rim of face arch is provided with the water cooling tube group, and the rear flank edge of rear arch is provided with rear arch upside water cooling tube group.
The drum front portion is provided with the interpolation type flue; The drum front portion is provided with smoke-absorption mouth.
Be provided with many row's fork rows convection bank in the other flue; Smoke-absorption mouth and the pyrotechnics pipe of other flue through the drum front portion communicates with the exhaust opening of drum afterbody.
The water screen tube of translateral side collecting box pipe of the return pipe of boiler and both sides, side convection bank, rear arch upside water cooling tube group, hanging arch water cooling tube group are communicated with outlet pipe through behind the drum; Drum is provided with the atmospheric communicating pipe that directly is communicated with atmosphere.
3, advantage and effect: by the enforcement of technical solutions of the utility model, it is good to solve conventional boiler chamber structure layout well, has greatly influenced the burning degree of burner hearth inner suspension combustible, and efficient is hanged down the problem that aspects such as reaching contaminated environment exists.The utility model makes that the coal integral combustion is abundant, and flue dust effectively precipitates, and has not only improved boiler efficiency, has saved the energy, and environment protecting is outstanding, and smoke abatement and dust control is thorough, not over-emitting black exhaust.Advantage of the present utility model is as follows:
1, environmental-protecting performance excellence, the suspension combustible gas in the raw coal and the branch inversion of phases one burning of coke have been realized, make fuel combustion complete, segmentation measure simultaneously makes flue dust be able to abundant precipitation again, so boiler over-emitting black exhaust not, smoke dust discharge concentration is extremely low, solve common scatter fire of raw coal boiler preferably and polluted heavy drawback, greatly reduce the discharging of boiler atmosphere pollution, helped environmental protection, had the prospect of opening up more widely;
2, improve boiler efficiency, save coal resources, sectional combustion is divided into the preheating and drying gasification section with boiler, main burning zone and burning segment, the burning of coke is carried out respectively in each section, has reduced gas heat loss due to incomplete combustion and heat loss of imperfect solid combustion, has greatly improved the utilization rate of combustible gas and coal, improve the thermal efficiency of boiler, saved the energy;
3, boiler output abundance because the sectional combustion technology has improved the combustion heat intensity of boiler furnace, gets a promotion metal heated heat transfer efficiency, and boiler output is improved;
4, compact conformation, floor space is little.Owing in boiler integral body, carried out the conversion of gas phase and solid phase, burn under the one, so than traditional gas generator that sets up, other establishes the structure of combustion chamber and wants compact, floor space is little, investment reduces;
5, security of operation, easy and simple to handle, the normal pressure operation, safe and reliable, the stoker is simple to operate, random coal, the phenomenon of detonation can not take place in boiler.
Four, description of drawings: accompanying drawing 1 is an A-A structural front view of the present utility model;
Accompanying drawing 2 is B-B cutaway views of Fig. 1.
Five, the specific embodiment:
Among the figure: 1, traveling-grate stoker device; 2, lighting door; 3, face arch; 4, feeding-coal bucket; 5, preheating and drying gasification section hanging arch; 6, gasification section smokestack; 7, smoke-absorption mouth; 8, preceding shoot door; 9, burning zone hanging arch; 10, pyrotechnics pipe; 11, outlet pipe; 12, atmospheric communicating pipe; 13, drum; 14, the door that pokes fire; 15, rear arch top grid smokestack; 16, rear arch; 17, exhaust opening; 18, rear arch upside water cooling tube group; 19, back wall shoot door; 20, return pipe; 21, air outlet; 22, slag-drip opening; 23, water screen tube; 24, Feng Cang; 25, hanging arch water cooling tube group; 26, hanging arch pipe group lower clapboard; 27, flue; 28, other flue; 29, anterior pipe group; 30, side convection bank; 31, side collecting box pipe; 32, other flue shoot door.
As shown in Figure 1, the other flue sectional combustion of the utility model list drum longitudinal normal-pressure hot-water boiler, by drum 13, pyrotechnics pipe 10, water screen tube 23, side collecting box pipe 31, face arch 3, rear arch 16, burner hearth and traveling-grate stoker device 1 are formed, one side of burner hearth is a face arch 3, face arch 3 links to each other with feeding-coal bucket 4, be provided with partition wall at the burner hearth left and right sides, be furnished with preheating and drying gasification section hanging arch 5 at the burner hearth length direction, main combustion section hanging arch 9, preheating and drying gasification section hanging arch 5 tops are provided with gasification section smokestack 6, the below is provided with hanging arch water cooling tube group 25, it is down hanging arch pipe group lower clapboard 26, and the hanging arch water cooling tube group 25 of preheating and drying gasification section hanging arch 5 below burning zone hanging arch 9 links to each other with water-cooling wall pipe of burner hearth 23 in both sides; As shown in Figure 2, anterior pipe group 29 plays a part to support face arch 3 and down-comer, and the rear arch upside water cooling tube group of rear arch 16 upsides 18 is absorbed as the waste heat of burner hearth afterbody to burning segment, and plays support rear arch and rear arch top grid smokestack 15.Warm oneself in front of a fire side water wall tube 23, the side convection bank 30 of every side collecting box pipe 31 and burner hearth links with drum 13 and constitutes the flowing space of water, and the side water wall tube 23 that warms oneself in front of a fire built by laying bricks or stones and become partition wall, contain to become other flue 28 with front and back furnace wall and drum side lower edge with outside furnace wall, the sidewall of burner hearth is provided with the mouth 14 that pokes fire, below rear arch 16, the back wall of burner hearth is provided with the back wall shoot door 19 of being convenient to deashing; Be provided with the preceding shoot door of being convenient to remove inner ashes in the front portion of drum 13.
The utility model course of work is as follows: raw coal is sent to preheating and drying gasification section burner hearth from feeding-coal bucket 4 through traveling-grate stoker device 1, after lighting door 2 igniting, air is sent to each section burner hearth by air outlet 21 through wind storehouse 24, raw coal is through pre-burning and be subjected to heated drying gradually, after the destructive distillation, fuel gas such as carbon monoxide that volatile matter in the coal and reduction form, generate BaP in sulfur dioxide and the combustion process, hydrocarbons such as nitrogen oxide are through the main combustion section grate surface of gasification section smokestack by the fierce burning of main combustion section hanging arch guiding, be able to thorough after-flame, thereby fundamentally stopped the condition of boiler over-emitting black exhaust, two sections hanging arch fully burn the coke in burner hearth inner suspension combustible and primary zone, high-temperature flue gas after the burning washes away side convection bank 30 in the other flue 28 that burner hearth sidepiece partition wall and back wall constituted by rear arch top grid smokestack 15 after turning, and through the smoke-absorption mouth 7 of drum 13 front portions from pyrotechnics pipe 10 to 17 discharges of afterbody exhaust opening; And further burn after the afterbody slag trap is discharged to slag-drip opening 22 through the rear arch burning segment near the coke that thoroughly burns.The boiler water flowing space is then by return pipe 20 water inlets, after both sides collecting box pipe 31 distributes by two side water wall tubes 23, side convection bank 30, rear arch upside water cooling tube group 18, hanging arch water cooling tube group 25, enter drum 13, and be sent to hot user through boiler discharging tube 11, simultaneously, set up atmospheric communicating pipe 12, to guarantee boiler normal open atmosphere, guarantee that boiler does not have the pressure safe operation.
The utility model utilizes the sectional combustion technology to make raw coal resolve into the gas phase attitude fuel of imflammable gas of suspension and the solid phase attitude fuel of red-hot coke automatically by preheating and drying gasification section and main combustion section hanging arch in same burner, and according to separately combustion law and characteristics phase-splitting, sectional combustion, the burning of mutually promoting again is to reach the degree near completing combustion.Owing to arrange two sections hanging arch and rear arch top grid smokestack in burner hearth, make burner hearth inner suspension combustible be able to effective precipitation after fully burning simultaneously, the original smoke dust discharge concentration of boiler greatly reduces.
Claims (6)
1, the other flue sectional combustion of a kind of single drum longitudinal normal-pressure hot-water boiler, it is characterized in that: this boiler mainly comprises traveling-grate stoker device (1), the burner hearth that traveling-grate stoker device (1) is provided with above, drum (13), water screen tube (23) and the side collecting box pipe (31) that burner hearth is provided with above; Be provided with preheating and drying gasification section hanging arch (5) in the burner hearth, preheating and drying gasification section hanging arch (5) forms the preheating and drying gasification section with a sidewall of burner hearth in burner hearth; Be provided with burning zone hanging arch (9) in the burner hearth, in burner hearth, form main burning zone between burning zone hanging arch (9) and the preheating and drying gasification section hanging arch (5); Be provided with rear arch (16) and rear arch top grid smokestack (15) in the burner hearth, another sidewall of rear arch (16), rear arch top grid smokestack (15) and burner hearth forms burning segment in burner hearth; Burning segment is communicated with the other flue (28) that outside furnace wall contains with burner hearth sidewall and drum (13) side lower edge; Other flue (28) communicates with the exhaust opening (17) of drum (13).
2, the other flue sectional combustion of single drum longitudinal according to claim 1 normal-pressure hot-water boiler, it is characterized in that: preheating and drying gasification section hanging arch (5) top has gasification section smokestack (6), the below of preheating and drying gasification section hanging arch (5) and burning zone hanging arch (9) is provided with hanging arch water cooling tube group (25), also is provided with hanging arch pipe group lower clapboard (26) below the water cooling tube group (25) of preheating and drying gasification section hanging arch (5).
3, the other flue sectional combustion of single drum longitudinal according to claim 1 normal-pressure hot-water boiler, it is characterized in that: the low chimney arch in high back before being provided with before and after the burner hearth, the outer rim of face arch (3) is provided with water cooling tube group (29), and the rear flank edge of rear arch (16) is provided with rear arch upside water cooling tube group (18).
4, the other flue sectional combustion of single drum longitudinal according to claim 1 normal-pressure hot-water boiler, it is characterized in that: drum (13) front portion is provided with interpolation type flue (27); The drum front portion is provided with smoke-absorption mouth (7).
5, the other flue sectional combustion of single drum longitudinal according to claim 1 normal-pressure hot-water boiler is characterized in that: be provided with many row's fork rows convection bank (30) in the other flue (28); Other flue (28) communicates with the exhaust opening (17) of drum (13) afterbody through drum (13) anterior smoke-absorption mouth (7) and pyrotechnics pipe (10).
6, the other flue sectional combustion of single drum longitudinal according to claim 1 normal-pressure hot-water boiler, it is characterized in that: water screen tube (23), side convection bank (30), rear arch upside water cooling tube group (18), the hanging arch water cooling tube group (25) of translateral side collecting box pipe of the return pipe of boiler (20) (31) and both sides are communicated with outlet pipe (11) through drum (13) back; Drum (13) is provided with the atmospheric communicating pipe (12) that directly is communicated with atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092125 CN2847051Y (en) | 2005-08-11 | 2005-08-11 | Single boiler tube longitudinal by-path flue pipe sectioned burning constant pressure water heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092125 CN2847051Y (en) | 2005-08-11 | 2005-08-11 | Single boiler tube longitudinal by-path flue pipe sectioned burning constant pressure water heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2847051Y true CN2847051Y (en) | 2006-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520092125 Expired - Fee Related CN2847051Y (en) | 2005-08-11 | 2005-08-11 | Single boiler tube longitudinal by-path flue pipe sectioned burning constant pressure water heating boiler |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252320A (en) * | 2011-06-25 | 2011-11-23 | 山东百川同创能源有限公司 | Biomass low-nitrogen direct combustion boiler |
| CN102840665A (en) * | 2012-09-14 | 2012-12-26 | 侯艳坤 | Boiler |
| CN102901087A (en) * | 2011-07-26 | 2013-01-30 | 王大欣 | Energy-saving emission-reducing horizontal boiler with water pipe grate |
| CN103307626A (en) * | 2012-03-12 | 2013-09-18 | 陈雅华 | Combustion method for interlayer combustion boiler |
| CN104421928A (en) * | 2013-08-19 | 2015-03-18 | 丹东玉龙镁业有限公司 | Reciprocating grate-fired furnace |
| CN109404882A (en) * | 2018-11-23 | 2019-03-01 | 北京米能科技有限公司 | A kind of miniature boiler and its water round-robin method |
| CN109578980A (en) * | 2018-11-23 | 2019-04-05 | 兖矿集团有限公司 | A kind of grate firing boiler and its processing method of gasification, and combustion |
-
2005
- 2005-08-11 CN CN 200520092125 patent/CN2847051Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252320A (en) * | 2011-06-25 | 2011-11-23 | 山东百川同创能源有限公司 | Biomass low-nitrogen direct combustion boiler |
| CN102252320B (en) * | 2011-06-25 | 2014-10-01 | 山东百川同创能源有限公司 | Biomass low-nitrogen direct combustion boiler |
| CN102901087A (en) * | 2011-07-26 | 2013-01-30 | 王大欣 | Energy-saving emission-reducing horizontal boiler with water pipe grate |
| CN103307626A (en) * | 2012-03-12 | 2013-09-18 | 陈雅华 | Combustion method for interlayer combustion boiler |
| CN102840665A (en) * | 2012-09-14 | 2012-12-26 | 侯艳坤 | Boiler |
| CN104421928A (en) * | 2013-08-19 | 2015-03-18 | 丹东玉龙镁业有限公司 | Reciprocating grate-fired furnace |
| CN109404882A (en) * | 2018-11-23 | 2019-03-01 | 北京米能科技有限公司 | A kind of miniature boiler and its water round-robin method |
| CN109578980A (en) * | 2018-11-23 | 2019-04-05 | 兖矿集团有限公司 | A kind of grate firing boiler and its processing method of gasification, and combustion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20090911 |