CN203657195U - Multi-tube type secondary combustion smoke-free environmental-protection hot water boiler - Google Patents
Multi-tube type secondary combustion smoke-free environmental-protection hot water boiler Download PDFInfo
- Publication number
- CN203657195U CN203657195U CN201320753612.9U CN201320753612U CN203657195U CN 203657195 U CN203657195 U CN 203657195U CN 201320753612 U CN201320753612 U CN 201320753612U CN 203657195 U CN203657195 U CN 203657195U
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- Prior art keywords
- smoke box
- smoke
- boiler
- heater
- water boiler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 75
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000005338 heat storage Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 abstract description 21
- 239000000446 fuel Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 1
- 230000000391 smoking effect Effects 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 15
- 239000003546 flue gas Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000000470 constituent Substances 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a heat supply facility with coal as fuel, in particular to a multi-tube type secondary combustion smoke-free environmental-protection hot water boiler. The hot water boiler solves the problems that an existing boiler causes the smoking phenomenon due to incomplete combustion, the utilization efficiency of the fuel coal is low and the heat exchange rate is low. The hot water boiler comprises a boiler body, a clamping sleeve boiler door, a smoke outlet, a water inlet tube opening and a water outlet tube opening. A lower hearth and an upper hearth are arranged in the boiler body, wherein a secondary combustor is arranged in the upper hearth. The upper portion and the lower portion in the boiler body are provided with a first smoke box, a third smoke box, a second smoke box and a fourth smoke box. The upper smoke box and the lower smoke box are communicated through a convection bank. The first smoke box is communicated with the upper hearth. The fourth smoke box is communicated with the smoke outlet. The hot water boiler is novel in design, reasonable in structure and simple and convenient to operate; combustible materials in the fuel coal can be fully combusted, the heat exchange speed is high, the heat utilization rate of the boiler is increased, the effect of eliminating smoke and dust can be achieved, and the phenomenon that the boiler exhausts black smoke is eradicated.
Description
Technical field
The utility model relates to the heating facility take coal as fuel, is specially a kind of multitube secondary combustion smokeless environment protection hot-water boiler.
Background technology
In traditional heating equipment, mostly adopt hand to burn fixed grate hot-water boiler, chain grate hot-water boiler, because of its combustion apparatus simple, cost is low, easy and simple to handle, ignition condition is superior, coal applied widely and continued to use for three more than ten years always, but because the structure of conventional boiler exists many drawbacks, coal-fired in confined space, burn required amount of oxygen with the amount of oxygen of confession do not mate, fired coal combustion is incomplete, produce a large amount of carbon monoxide imflammable gas and enter atmosphere with oxygen, cause environmental pollution.After fire coal is heated simultaneously, decomposite a large amount of fugitive constituents under high temperature, because of oxygen deficiency, incomplete combustion, has caused over-emitting black exhaust phenomenon, has reduced coal-fired heat utilization efficiency.Conventional boiler is due to the restriction of internal structure simultaneously, and often, oxygen runs off coal, causes high-temperature flue gas to run off, and heat exchanger effectiveness is not high, energy waste.
Summary of the invention
The utility model produces the problems such as the phenomenon of smoldering, coal fuel heating utilization rate is low, rate of heat exchange is low in order to solve existing hot-water boiler incomplete combustion, and a kind of multitube secondary combustion smokeless environment protection hot-water boiler is provided.
The utility model is to adopt following technical scheme to realize: multitube secondary combustion smokeless environment protection hot-water boiler, comprise body of heater, be arranged on the chuck of body of heater surrounding and top and fire door, the exhaust opening of body of heater surrounding, body of heater side is also provided with the water inlet pipe mouth and the effluent pipe mouth that are communicated with chuck, top is provided with the exhaust pipe mouth communicating with chuck, innovative point of the present utility model be to be provided with in body of heater lower hearth with fire grate and in establish the upper furnace of secondary burner, secondary burner bottom communicates with lower hearth; In body of heater and be positioned at upper furnace one side upper and lower and be respectively equipped with the first smoke box, the 3rd smoke box and the second smoke box, the 4th smoke box, wherein between the first smoke box and the second smoke box, be communicated with by the first convection bank, between the second smoke box and the 3rd smoke box, be communicated with by the second convection bank, between the 3rd smoke box and the 4th smoke box, be communicated with by the 3rd convection bank, the first smoke box communicates with upper furnace top, and the 4th smoke box communicates with exhaust opening.
In order further to optimize the structure of this hot-water boiler, improve its function, the utility model has also carried out following improvement:
Described secondary burner comprises some rows and is vertically arranged on the guide pipe communicating in upper furnace and with lower hearth top, between adjacent guide pipe, be provided with heat storage, every guide pipe top is provided with Secondary Air sleeve pipe, on Secondary Air sleeve pipe, some air vents are offered at interval, in the Secondary Air sleeve pipe of every row's guide pipe top, run through a secondary wind inleting tube is set, in secondary wind inleting tube, run through rotary handle is set, rotary handle two ends are provided with and are positioned at body of heater both sides and the adjustable ventilation door corresponding with Secondary Air sleeve pipe.Fire coal anoxycausis in lower hearth produces a large amount of carbon monoxide and fire coal itself at high temperature decomposites again flammable fugitive constituent, fugitive constituent and imflammable gas enter secondary burner from guide pipe, after heat storage, temperature raises, with secondary air intake pipe after the Secondary Air of confession mixes in Secondary Air sleeve pipe, in upper furnace generation second-time burning, both improved the heat utilization ratio of boiler, reach again the effect of smoke abatement and dust control, stopped the phenomenon of boiler over-emitting black exhaust.The air vent being simultaneously evenly distributed on the utility model Secondary Air sleeve pipe, fully mixes for imflammable gas and oxygen the condition of providing convenience; In addition, can regulate the amount of oxygen size that enters upper furnace by rotary handle, imflammable gas, the in the situation that of sufficient oxygen, carries out second-time burning in intermediate zone, fire coal is fully given off energy, and saves fuel 20% left and right.
Described body of heater surrounding and lower hearth sidewall are provided with wall with refractory lining, refracto, and the design of wall with refractory lining, refracto has improved the temperature of burner hearth, have reduced heat loss.
On described the first smoke box, the second smoke box, the 3rd smoke box and the 4th smoke box, be respectively equipped with cleaning door, be convenient to the flue dust that cleaning deposits in time.
Described fire grate is square structure.
In described lower hearth top install mutually run through to overflow pipe.The flue gas that fire coal in lower hearth generates can with burner hearth in the medium in overflow pipe start to carry out heat exchange for the first time, make boiler can improve rapidly at short notice temperature, normally operation.
Compared with prior art, hot-water boiler modern design described in the utility model, rational in infrastructure, easy and simple to handle, combustible in fire coal fully can be burnt, release energy completely, vertical fire tube structure, the speed of heat exchange is fast, the heat exchange of thermal medium and high-temperature flue gas often, without drum air inducing facility, both improved the heat utilization ratio of boiler, reach again the effect of smoke abatement and dust control, stop the phenomenon of boiler over-emitting black exhaust, rate of heat exchange has improved 15-20%, saves fuel 20% left and right, and every environmental protection index all arrives national standard.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model;
Fig. 2 is structure top view of the present utility model;
Fig. 3 is structure side view of the present utility model;
Fig. 4 is the structural front view of secondary burner of the present utility model;
Fig. 5 is the structure top view of secondary burner of the present utility model;
1-body of heater in figure; 2-chuck; 3-fire door; 4-exhaust opening; 5-water inlet pipe mouth; 6-effluent pipe mouth; 7-exhaust pipe mouth; 8-fire grate; 9-lower hearth; 10-secondary burner; 10.1-guide pipe; 10.2-heat storage; 10.3-Secondary Air sleeve pipe; 10.4-secondary wind inleting tube; 10.5-rotary handle; 10.6-adjustable ventilation door; 10.7-air vent; 11-upper furnace; 12-the first smoke box; 13-the 3rd smoke box; 14-the second smoke box; 15-the 4th smoke box; 16-the first convection bank; 17-the second convection bank; 18-the 3rd convection bank; 19-wall with refractory lining, refracto; 20-cleaning door; 21-is to overflow pipe; 22-water-level gauge.
The specific embodiment
Multitube secondary combustion smokeless environment protection hot-water boiler, as shown in Figure 1, 2, 3, comprise body of heater 1, be arranged on the chuck 2 of body of heater surrounding and top and the fire door 3 of body of heater surrounding, exhaust opening 4, body of heater side is also provided with the water inlet pipe mouth 5 and the effluent pipe mouth 6 that are communicated with chuck, top is provided with the exhaust pipe mouth 7 communicating with chuck, in body of heater, be provided with lower hearth with fire grate 89 and in establish the upper furnace 11 of secondary burner 10, the interior top of lower hearth 9 install mutually run through to overflow pipe 21, fire grate 8 is square structure, and secondary burner bottom communicates with lower hearth; In body of heater and be positioned at upper furnace one side upper and lower and be respectively equipped with the first smoke box 12, the 3rd smoke box 13 and the second smoke box 14, the 4th smoke box 15, wherein between the first smoke box and the second smoke box, be communicated with by the first convection bank 16, between the second smoke box and the 3rd smoke box, be communicated with by the second convection bank 17, between the 3rd smoke box and the 4th smoke box, be communicated with by the 3rd convection bank 18, the first smoke box communicates with upper furnace top, the 4th smoke box communicates with exhaust opening, on the first smoke box 12, the second smoke box 14, the 3rd smoke box 13 and the 4th smoke box 15, is respectively equipped with cleaning door 20.Body of heater 1 surrounding and lower hearth sidewall are provided with wall with refractory lining, refracto 19.
As shown in Figure 4,5, secondary burner comprises some rows and is vertically arranged on the guide pipe 10.1 communicating in upper furnace and with lower hearth top, between adjacent guide pipe, be provided with heat storage 10.2, every guide pipe top is provided with Secondary Air sleeve pipe 10.3, on Secondary Air sleeve pipe, some air vents 10.7 are offered at interval, in the Secondary Air sleeve pipe of every row's guide pipe top, run through a secondary wind inleting tube 10.4 is set, in secondary wind inleting tube, run through rotary handle 10.5 is set, rotary handle two ends are provided with and are positioned at body of heater both sides and the adjustable ventilation door 10.6 corresponding with Secondary Air sleeve pipe.
The concrete flow process that uses is as follows: coal-fired after the fire grate up-igniting of lower hearth, increase coal seam thickness, make it to reach 300-400mm left and right, the rear portion that pushes lower hearth of having burnt when coal, the medium in overflow pipe in flue gas and burner hearth that fire coal in lower hearth generates starts to carry out heat exchange for the first time, make boiler can improve rapidly at short notice temperature, normally operation.The coal initial stage, coal seam is thick, flowing resistance is large, supply falls short of demand for air in burner hearth, cause coal-fired anoxycausis to produce a large amount of carbon monoxide, fire coal itself at high temperature decomposites again flammable fugitive constituent, fugitive constituent and imflammable gas enter secondary burner from guide pipe, after heat storage, temperature raises, with secondary air intake pipe after the Secondary Air of confession mixes in Secondary Air sleeve pipe, in upper furnace generation second-time burning, both improve the heat utilization ratio of boiler, reached again the effect of smoke abatement and dust control, stopped the phenomenon of boiler over-emitting black exhaust.
High-temperature flue gas after second-time burning upwards flows, through the first smoke box 180
0after turning back, enter the first convection bank, the outer medium of high-temperature flue gas and the first convection bank carries out, after heat exchange for the second time, entering the second smoke box, and afterwards 180
0the smoke gas flow of turning back enters the second convection bank, and the high-temperature flue gas in the second convection bank carries out after heat exchange for the third time with the medium outside tube bank, enters the 3rd smoke box, then 180
0after turning back, smoke gas flow enters the 3rd convection bank, and the thermal medium outside high-temperature flue gas and the 3rd convection bank carries out, after the 4th heat exchange, entering the 4th smoke box, and through after the heat exchanging process of these circulations, the temperature of flue gas is reduced to 165
0left and right, enters atmosphere by exhaust opening, has improved greatly the thermal efficiency of boiler.Entrained flue dust in high-temperature flue gas, through three 180
0turn back after, be all deposited in four smoke boxes, remove flue dust by cleaning door.Vertical smoke-fire-tube structure, without poly-grey phenomenon, has extended again the time of staying of flue gas in pipeline, has improved the heat utilization efficiency of boiler, when flue gas finally reaches fume emission mouth, has reached smokeless and dust free, meets country's " emission standard of air pollutants for boilers ".The cleaning door of body of heater surrounding, is convenient to clear up in time ashes, rational in infrastructure, easy and simple to handle, has extended the service life of boiler.
The utility model adopts large chamber structure, high seam burning,, combustion intensity is large, and flame temperature can reach degree more than 1000, burning time is long, one time coal can burn 3-5 hour, has reduced the opening times and smoke gas flow vector of fire door, proves through test of many times service data, the heat utilization efficiency of boiler improves 15-20, and operating cost product more of the same type has reduced 20-25% left and right.
Claims (6)
1. a multitube secondary combustion smokeless environment protection hot-water boiler, comprise body of heater (1), be arranged on the chuck (2) of body of heater surrounding and top and the fire door (3) of body of heater surrounding, exhaust opening (4), body of heater side is also provided with the water inlet pipe mouth (5) and the effluent pipe mouth (6) that are communicated with chuck, top is provided with the exhaust pipe mouth (7) communicating with chuck, it is characterized in that being provided with in body of heater band fire grate (8) lower hearth (9) and in establish the upper furnace (11) of secondary burner (10), communicate with lower hearth bottom secondary burner; In body of heater and be positioned at upper furnace one side upper and lower and be respectively equipped with the first smoke box (12), the 3rd smoke box (13) and the second smoke box (14), the 4th smoke box (15), wherein between the first smoke box and the second smoke box, be communicated with by the first convection bank (16), between the second smoke box and the 3rd smoke box, be communicated with by the second convection bank (17), between the 3rd smoke box and the 4th smoke box, be communicated with by the 3rd convection bank (18), the first smoke box communicates with upper furnace top, and the 4th smoke box communicates with exhaust opening.
2. multitube secondary combustion smokeless environment protection hot-water boiler according to claim 1, it is characterized in that secondary burner comprises some rows and is vertically arranged in upper furnace, and the guide pipe (10.1) communicating with lower hearth top, between adjacent guide pipe, be provided with heat storage (10.2), every guide pipe top is provided with Secondary Air sleeve pipe (10.3), on Secondary Air sleeve pipe, some air vents (10.7) are offered at interval, in the Secondary Air sleeve pipe of every row's guide pipe top, run through a secondary wind inleting tube (10.4) is set, in secondary wind inleting tube, run through rotary handle (10.5) is set, rotary handle two ends are provided with and are positioned at body of heater both sides, and the adjustable ventilation door corresponding with Secondary Air sleeve pipe (10.6).
3. multitube secondary combustion smokeless environment protection hot-water boiler according to claim 1 and 2, is characterized in that body of heater (1) surrounding and lower hearth sidewall are provided with wall with refractory lining, refracto (19).
4. multitube secondary combustion smokeless environment protection hot-water boiler according to claim 1 and 2, is characterized in that being respectively equipped with cleaning door (20) on the first smoke box (12), the second smoke box (14), the 3rd smoke box (13) and the 4th smoke box (15).
5. multitube secondary combustion smokeless environment protection hot-water boiler according to claim 1 and 2, is characterized in that fire grate (8) is square structure.
6. multitube secondary combustion smokeless environment protection hot-water boiler according to claim 1 and 2, it is characterized in that top in lower hearth (9) install mutually run through to overflow pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753612.9U CN203657195U (en) | 2013-11-26 | 2013-11-26 | Multi-tube type secondary combustion smoke-free environmental-protection hot water boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753612.9U CN203657195U (en) | 2013-11-26 | 2013-11-26 | Multi-tube type secondary combustion smoke-free environmental-protection hot water boiler |
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|---|---|
| CN203657195U true CN203657195U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320753612.9U Expired - Fee Related CN203657195U (en) | 2013-11-26 | 2013-11-26 | Multi-tube type secondary combustion smoke-free environmental-protection hot water boiler |
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| CN (1) | CN203657195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673284A (en) * | 2013-11-26 | 2014-03-26 | 山西天兰锅炉有限公司 | Smoke-free and environment-friendly multi-pipe secondary combustion water boiler |
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2013
- 2013-11-26 CN CN201320753612.9U patent/CN203657195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673284A (en) * | 2013-11-26 | 2014-03-26 | 山西天兰锅炉有限公司 | Smoke-free and environment-friendly multi-pipe secondary combustion water boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 |