CN104848191B - The horizontal coal-fired steam boiler of modified model list drum - Google Patents
The horizontal coal-fired steam boiler of modified model list drum Download PDFInfo
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- CN104848191B CN104848191B CN201510296423.7A CN201510296423A CN104848191B CN 104848191 B CN104848191 B CN 104848191B CN 201510296423 A CN201510296423 A CN 201510296423A CN 104848191 B CN104848191 B CN 104848191B
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Abstract
The invention discloses a kind of modified model horizontal coal-fired steam boiler of list drum, described front lower header (9) is connected with drum (1) by some convection tubes (22), dividing plate (31) it is provided with between each convection tube (22), convection tube (22) becomes combustor (19) and heat-exchanging chamber (33) with dividing plate (31) furnace chamber, combustor (19) is positioned at the side-lower of drum (1), heat-exchanging chamber (33) is positioned at the underface of drum (1), and dividing plate (31) is provided with into burner (29)；The staged fire grate (17) having a down dip and preheating dry distilling plate (16) having a down dip it is provided with in described combustor (19), it is fixed with coal seam thickness in preheating dry distilling plate (16) and controls pipe (7), front furnace wall (15) is provided with three air intakes and coal filling hole (11), secondary air inlet (12) and an air intake and slag notch (13), makes coal seam be provided simultaneously with burning, flat burning and three kinds of combustion systems of lower burning.After using this said structure, there is the features such as simple and reasonable, easy for operation, the thermal efficiency is high, environmental pollution is little, qualified discharge.
Description
Technical field
The invention relates to a kind of single drum coal-fired boiler, particularly a kind of energy-saving and environmental protection, the efficient modified model horizontal coal-fired steam boiler of list drum.
Background technology
Single drum coal-fired steam boiler is a kind of boiler for supplying steam, is mainly used in industry, the industry such as industry is planted in breeding, resident's heating, and purposes is quite varied.Existing single drum coal-fired boiler typically uses fixed grate, chain to protect row, it is burning or counter burns mode, burner hearth is positioned at the lower section of drum, simple in construction, easy for operation, but in use have the following disadvantages: one is unreasonable structure, ventilate uneven, coal there is selection, it is impossible to slagging scorification coal and duff, during hand-stoked, fireman's labor intensity is big；Two is that burning is insufficient, can smolder, and forced ventilation has excess air, and heat exchange is apart from short, and the thermal efficiency is low, and power consumption is big；Three is high fume temperature, and coal ash waste heat can not utilize；Four is that waste gas discharge does not reaches requirement, blackness and flue dust and exceeds standard seriously, has water to pollute after blackness and the process of flue dust water, still can not qualified discharge；Four is that dedusting need to use Special Equipment.To this end, many manufacturers and knowledgeable people exclusively carry out exploitation and develop, but comparatively ideal product is the most not yet had to emerge.
Summary of the invention
For the above-mentioned problem overcoming existing single drum coal-fired steam boiler to exist, first purpose of the invention is to provide a kind of combustor and is positioned at the side-lower of drum, heat-exchanging chamber is positioned at the underface of drum, upper burning, flat burn and boiler that three kinds of combustion systems of lower burning combine, the second purpose be to provide simple and reasonable, easy for operation, burning cmpletely, coal ash UTILIZATION OF VESIDUAL HEAT IN, the thermal efficiency are high, environmental pollution is little, water pollution-free, can the modified model horizontal coal-fired steam boiler of list drum of qualified discharge.
The invention solves the technical scheme that its technical problem is used, it includes drum, furnace wall, base, front lower header, rear lower header, left and right header, rear lower header and left and right header are connected with drum by water-cooling wall, some smoke pipes it are provided with in drum, described front lower header is connected with drum by some convection tubes, it is provided with dividing plate between each convection tube, convection tube becomes combustor and heat-exchanging chamber with dividing plate furnace chamber, combustor is positioned at the side-lower of drum, heat-exchanging chamber is positioned at the underface of drum, and what dividing plate was communicated with combustor and heat-exchanging chamber enters burner；The staged fire grate having a down dip and the preheating dry distilling plate having a down dip it is provided with in described combustor, it is fixed with coal seam thickness on preheating dry distilling plate and controls pipe, front furnace wall is provided with three air intakes and coal filling hole and an air intake and slag notch communicated with combustor, three air intakes and coal filling hole make the coal seam burning of air intake from top to bottom, and an air intake and slag notch make the coal seam burning of air intake from the bottom up.
The further scheme of the invention, described front furnace wall is provided with the secondary air inlet communicated with combustor, is provided with every wind and split-wind plate bottom secondary air inlet and between fire grate, and secondary air inlet makes coal seam horizontal air intake burning.
The further scheme of the invention, described preheating dry distilling plate is fixed with preheating dry distilling plate temperature control tube, and coal seam thickness controls pipe and preheating dry distilling plate temperature control tube top is connected with drum by convection tube, bottom is connected with left and right header by convection tube.
The further scheme of the invention, described combustor is provided with four corresponding with entering burner time air inlet.
The further scheme of the invention, at least provided with a middle lower header in described heat-exchanging chamber, middle lower header is connected with drum by convection tube, it is provided with dividing plate between the convection tube of middle lower header, the convection tube of middle lower header and dividing plate make the hot switching path that formation in heat-exchanging chamber is turned back at least one times, the import of hot switching path is connected with entering burner, and the outlet of hot switching path is connected with the smoke inlet of smoke pipe, and the outlet flue of smoke pipe is connected with exhaust opening.
The further scheme of the invention, described hot switching path is provided with middle header, and middle header is connected with drum by convection tube.
The further scheme of the invention, the furnace wall of the described left and right sides is provided with the cleaning door corresponding with hot switching path.
After using said structure, have the following advantages compared with the prior art and effect: one is owing to using three ventilations, combustor is made to realize lower burning, flat burning and the combustion system of upper burning phase structure, four ventilations of crater are burnt completely, coal preheats dry distilling in combustor, gasifies, burns, burning fully, smokeless and dust free, without carbon monoxide emission.Two is that boiler passes through once to slag tap, settle deashing design on hot switching path, and dust discharge can be made to reach gas fired-boiler discharge standard.Three is to arrange every wind and split-wind plate between secondary air inlet and fire grate, can control air intake trend, it is ensured that air intake will not be ganged up up and down, make coal in combustor less or during the motion of boiler small-power thermal efficiency impact little.Four is can fully to be burnouted by carbon monoxide, without carbon monoxide emission under four air intake effects.Five is that the hot switching path in heat-exchanging chamber once can be turned back according to the collector area design of boiler, secondary is turned back or repeatedly turned back, it is ensured that high efficiency boiler runs.Four is to use biological particles to burn, it is also possible to dried firewood, rubbish multifuel combustion together with coal.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the invention.
Fig. 2 is the A-A cross-sectional view of the invention Fig. 1.
Fig. 3 is the right TV structure schematic diagram of the invention boiler body.
Fig. 4 is the B-B cross-sectional view of the invention Fig. 2.
Fig. 5 is the C-C cross-sectional view of the invention Fig. 3.
Wherein 1 drum, 2 Pressure gauges, 3 relief valve, 4 exhaust openings, 5 water inlet pipes, 6 preheating dry distilling plate temperature control tubes, 7 coal seam thicknesses control pipe, header in 8, lower header before 9, 10 sewage draining exits, 11 3 air intakes and coal filling hole, 12 secondary air inlets, 13 air intakes and slag notch, 14 smoke pipes, 15 furnace walls, 16 preheating dry distilling plates, 17 fire grates, 18 every wind and split-wind plate, 19 combustor, 20 bases, 21 4 air inlets, 22 convection tubes, 23 middle lower headers, 24 water-cooling walls, lower header after 25, about 26 headers, 27 cleaning doors, 28 liquidometers, 29 enter burner, 30 smoke inlets, 31 dividing plates, 32 hot switching paths, 33 heat-exchanging chambers, 34 coal seams.
Detailed description of the invention
Shown in Fig. 1 to Fig. 5, specific embodiments for the invention a kind of modified model horizontal coal-fired steam boiler of list drum, it includes drum 1, furnace wall 15, base 20, front lower header 9, rear lower header 25, left and right header 26, rear lower header 25 and left and right header 26 are connected with drum 1 by water-cooling wall 24, some smoke pipes 14 it are provided with in drum 1, described front lower header 9 is connected with drum 1 by some convection tubes 22, it is provided with dividing plate 31 between each convection tube 22, 31 furnace chamber of convection tube 22 and dividing plate become combustor 19 and heat-exchanging chamber 33, combustor 19 is positioned at the side-lower of drum 1, heat-exchanging chamber 33 is positioned at the underface of drum 1, be communicated with combustor 19 and heat-exchanging chamber 33 on dividing plate 31 enters burner 29；The staged fire grate 17 having a down dip and the preheating dry distilling plate 16 having a down dip it is provided with in described combustor 19, it is fixed with coal seam thickness on preheating dry distilling plate 16 and controls pipe 7, front furnace wall 15 is provided with three air intakes and coal filling hole 11 and an air intake and slag notch 13 communicated with combustor 19, three air intakes and coal filling hole 11 make coal seam 34 burning of air intake from top to bottom, and an air intake and slag notch 13 make coal seam 34 burning of air intake from the bottom up；Described front furnace wall 15 is provided with the secondary air inlet 12 communicated with combustor 19, is provided with every wind and split-wind plate 18 bottom secondary air inlet 12 and between fire grate 17, and secondary air inlet 12 makes coal seam 34 horizontal air intake burning；Making boiler be provided simultaneously with burning, flat burning and three kinds of combustion systems of lower burning, the lower section in coal seam is coal seam, and front lower header 9 can make full use of coal ash waste heat.
In order to quickly carry out heat exchange, improve the thermal efficiency, being fixed with preheating dry distilling plate temperature control tube 6 on described preheating dry distilling plate 16, coal seam thickness controls pipe 7 and preheating dry distilling plate temperature control tube 6 top is connected with drum 1 by convection tube 22, bottom is connected with left and right header 26 by convection tube 22.In order to improve the thermal efficiency further, reducing carbon monoxide emission, described combustor 19 is provided with four corresponding with entering burner 29 time air inlet 21.
In order to be effectively improved the thermal efficiency and collector area, at least provided with a middle lower header 23 in described heat-exchanging chamber 33, middle lower header 23 is connected with drum 1 by convection tube 22, it is provided with dividing plate 31 between the convection tube 22 of middle lower header 23, the convection tube 22 of middle lower header 23 and dividing plate 31 make the hot switching path 32 that formation in heat-exchanging chamber 33 is turned back at least one times, the import of hot switching path 32 is connected with entering burner 29, the outlet of hot switching path 32 is connected with the smoke inlet 30 of smoke pipe 14, and the outlet flue of smoke pipe 14 is connected with exhaust opening 4.Described hot switching path 32 is provided with middle header 8, and middle header 8 is connected with drum 1 by convection tube 22.
Heat-exchanging chamber 33 deashing for convenience, the furnace wall 15 of the described left and right sides is provided with the cleaning door 27 corresponding with hot switching path 32.
In order to ensure safe operation of the boiler, described drum 1 be provided with relief valve 3 and Pressure gauge 2, measure water level liquidometer 28 and steam (vapor) outlet.
For the ease of boiler feed water and blowdown, described drum 1 connects and has water inlet pipe 5, described drum 1, front lower header 9, rear lower header 25, middle lower header 23, left and right header 26 and middle header 8 has sewage draining exit 10 corresponding connection.
The above; simply the specific embodiment of the invention, not makes any pro forma restriction, on the basis of without departing from the technical scheme of the invention to the invention; done simple modification, equivalent variations or modification, each falls within the protection domain of the invention.
Claims (7)
- null1. the modified model horizontal coal-fired steam boiler of list drum，Including drum (1)、Furnace wall (15)、Base (20)、Front lower header (9)、Rear lower header (25)、Left and right header (26)，Rear lower header (25) and left and right header (26) are connected with drum (1) by water-cooling wall (24)，Some smoke pipes (14) it are provided with in drum (1)，It is characterized in that: described front lower header (9) is connected with drum (1) by some convection tubes (22)，Dividing plate (31) it is provided with between each convection tube (22)，Convection tube (22) becomes combustor (19) and heat-exchanging chamber (33) with dividing plate (31) furnace chamber，Combustor (19) is positioned at the side-lower of drum (1)，Heat-exchanging chamber (33) is positioned at the underface of drum (1)，Be communicated with combustor (19) and heat-exchanging chamber (33) on dividing plate (31) enters burner (29)；The staged fire grate (17) having a down dip and preheating dry distilling plate (16) having a down dip it is provided with in described combustor (19), it is fixed with coal seam thickness in preheating dry distilling plate (16) and controls pipe (7), front furnace wall (15) is provided with three air intakes and coal filling hole (11) and an air intake and slag notch (13) communicated with combustor (19), three air intakes and coal filling hole (11) make coal seam (34) air intake from top to bottom burn, and an air intake and slag notch (13) make coal seam (34) air intake from the bottom up burn.
- The modified model horizontal coal-fired steam boiler of list drum the most according to claim 1, it is characterized in that: described front furnace wall (15) is provided with the secondary air inlet (12) communicated with combustor (19), being provided with every wind and split-wind plate (18) between secondary air inlet (12) bottom and fire grate (17), secondary air inlet (12) makes coal seam (34) horizontal air intake burn.
- The modified model horizontal coal-fired steam boiler of list drum the most according to claim 1 and 2, it is characterized in that: be fixed with preheating dry distilling plate temperature control tube (6) in described preheating dry distilling plate (16), coal seam thickness controls pipe (7) and preheating dry distilling plate temperature control tube (6) top is connected with drum (1) by convection tube (22), bottom is connected with left and right header (26) by convection tube (22).
- The modified model horizontal coal-fired steam boiler of list drum the most according to claim 3, is characterized in that: described combustor (19) is provided with four air inlets (21) corresponding with entering burner (29).
- The modified model horizontal coal-fired steam boiler of list drum the most according to claim 4, it is characterized in that: at least provided with a middle lower header (23) in described heat-exchanging chamber (33), middle lower header (23) is connected with drum (1) by convection tube (22), it is provided with dividing plate (31) between the convection tube (22) of middle lower header (23), the hot switching path (32) that the convection tube (22) of middle lower header (23) and dividing plate (31) make heat-exchanging chamber (33) interior formation turn back at least one times, the import of hot switching path (32) is connected with entering burner (29), the outlet of hot switching path (32) is connected with the smoke inlet (30) of smoke pipe (14), the outlet flue of smoke pipe (14) is connected with exhaust opening (4).
- The modified model horizontal coal-fired steam boiler of list drum the most according to claim 5, it is characterized in that: described hot switching path (32) is provided with middle header (8), middle header (8) is connected with drum (1) by convection tube (22).
- The modified model horizontal coal-fired steam boiler of list drum the most according to claim 6, is characterized in that: the furnace wall (15) of the described left and right sides is provided with the cleaning door (27) corresponding with hot switching path (32).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510296423.7A CN104848191B (en) | 2015-06-03 | 2015-06-03 | The horizontal coal-fired steam boiler of modified model list drum |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296423.7A CN104848191B (en) | 2015-06-03 | 2015-06-03 | The horizontal coal-fired steam boiler of modified model list drum |
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| CN104848191A CN104848191A (en) | 2015-08-19 |
| CN104848191B true CN104848191B (en) | 2017-01-04 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449482A (en) * | 1982-04-28 | 1984-05-22 | Dorr-Oliver Incorporated | Fluidized bed boilers |
| CN2283795Y (en) * | 1996-10-25 | 1998-06-10 | 刘迺江 | Energy-saving boiler with extension steam pipe |
| CN201069156Y (en) * | 2007-08-22 | 2008-06-04 | 张天国 | Steam and water dual-purpose horizontal boiler |
| CN202902610U (en) * | 2012-11-15 | 2013-04-24 | 陈小喜 | Energy-saving environment-friendly coal hot air furnace |
| CN104654266B (en) * | 2015-02-09 | 2017-02-22 | 昌图县锅炉制造厂 | Water boiler with single boiler barrel and four return strokes |
| CN204665229U (en) * | 2015-06-03 | 2015-09-23 | 陈小喜 | The horizontal coal-fired steam boiler of modified list drum |
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Effective date of registration: 20211112 Address after: 152325 south of ji'ne highway, west of chemical fertilizer market, hailun Town, hailun City, Suihua City, Heilongjiang Province Patentee after: Hailun Limin energy saving boiler manufacturing Co., Ltd Address before: 321300 Room 101, unit 3, building 17, Dongfang Yayuan, Yongkang City, Jinhua City, Zhejiang Province Patentee before: Chen Xiaoxi |
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