CN102261635A - Environment-friendly energy-saving boiler - Google Patents
Environment-friendly energy-saving boiler Download PDFInfo
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- CN102261635A CN102261635A CN2011101425537A CN201110142553A CN102261635A CN 102261635 A CN102261635 A CN 102261635A CN 2011101425537 A CN2011101425537 A CN 2011101425537A CN 201110142553 A CN201110142553 A CN 201110142553A CN 102261635 A CN102261635 A CN 102261635A
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Abstract
The invention relates to an environment-friendly energy-saving boiler, which comprises a boiler hearth, a fire grate, a chimney, a hot water cavity, an ash removal chamber, an air inlet, a water inlet and a steam outlet, wherein an annular water cavity is formed outside the hearth; an annular air cavity is formed between the hearth and the annular water cavity; a supporting heat conducting plate is fixedly connected between two side walls of the annular air cavity; the air inlet is formed at the bottom of the annular air cavity; and the air outlet is formed on an inner side wall of the annular air cavity. By the annular air cavity, oxygen supply is sufficient inside the hearth, and the hearth is not directly contacted with the outside annular water cavity; therefore, the cold and heat exchange speed is reduced, the hearth temperature is raised, fuels are fully combusted and the combustion efficiency is improved. Meanwhile, by the heat conducting plate inside the annular air cavity, inner wall heat at high temperature can be timely transferred to the outside annular water cavity, and the annular air cavity cannot be burnt or smelted after being used for a long time; therefore, the service life of the boiler is prolonged.
Description
Technical field:
The present invention relates to a kind of steam boiler, is specifically related to a kind of energy-saving environmental protection boiler.
Background technology:
At present, coal-burning boiler is still the main heating equipment of all trades and professions, along with the anxiety day by day of the energy, and increasing the weight of year by year of the dirty capsule of environment, also more and more stricter to the requirement of coal-burning boiler, require high energy-conservation, high efficiency, pollution-free.Yet, though the coal-burning boiler kind is more in the market, mostly exist efficiency of combustion low, or complex structure, or do not reach defectives such as ideal effect.For example, the burner hearth of the existing boiler directly annular water chamber (being heated water tank) with the outside is adjacent, causes burner hearth that too fast heat transmission directly takes place in annular water chamber, causes the interior temperature of burner hearth can not bring up to the temperature requirement that is enough to make full combustion of fuel.In addition, the project organization of existing boiler furnace, its air inlet all are that the fire grate from the bottom enters burner hearth, can not guarantee that burner hearth internal upper part fuel has sufficient oxygen to burn, thereby cause not clean-burning in a large number black smoke to be emerged, and waste energy.Secondly, the grate area of existing boiler is big, and the annular water chamber diameter that is positioned at the fire grate outside is big, and boiler inner storing water amount is big, and heat time heating time is long, because constantly outwards heat radiation of boiler itself causes the decline of its efficiency of heating surface long heat time heating time.
Summary of the invention:
The present invention overcomes deficiency and the defective that prior art exists, and a kind of energy-saving environmental protection boiler is provided.
Technical scheme: a kind of energy-saving environmental protection boiler comprises boiler furnace, fire grate, chimney, annular water chamber, deashing chamber, air inlet and water inlet, steam (vapor) outlet, burner hearth arranged outside annular water chamber is provided with an annular wind chamber between burner hearth and annular water chamber, annular wind chamber is fixedly connected with the support heat-conducting plate between the two side, bottom, annular wind chamber is provided with fresh air inlet, and annular wind chamber madial wall is provided with exhaust vent.
The width in described annular wind chamber, the width that promptly supports heat-conducting plate is less than or equal to 15mm.
Upper end, annular wind chamber is provided with an annular deep bead, and this annular deep bead internal diameter is less than annular wind chamber internal diameter.
The aperture of exhaust vent increases from the top down gradually on the madial wall of annular wind chamber.
Upper boiler is equipped with heat exchanger, be provided with straight-through comb in the heat exchanger, the import of this straight-through comb is communicated with the boiler chimney outlet, and the heat exchanger bottom is provided with water inlet, top sets out the mouth of a river, and this delivery port is communicated with by the water inlet of pipeline with boiler lower annular water cavity sidewall.
Total air inlet is arranged on the deashing chamber sidewall, and bottom air inlet hole, annular wind chamber is communicated with deashing chamber.
Annular wind chamber is a plurality of U shaped steel plate butt joint combining structures, perhaps is the alternately annular combining structure of welding formation of a plurality of U shaped steel plates and plane steel plate.
Annular wind chamber is the annular combining structure that a plurality of L shaped steel plates weld formation successively.
Evaporation capacity is that 0.1 ton boiler grate (being burner hearth bottom ventilation combustion zone) areal extent is 0.08 square metre, hangs fire height (promptly adding distance between the hot water comb from the burner hearth bottom to top) and is 600mm.
Beneficial effect of the present invention: 1, the present invention's burner hearth sidewall is provided with an annular wind chamber, bottom, annular wind chamber is provided with fresh air inlet, annular wind chamber madial wall is provided with exhaust vent from top to bottom, and air inlet aperture from the top down increases gradually, thereby guarantee burner hearth interal supplying oxygen amount abundance, coal is fully burnt.Simultaneously, the effect in annular wind chamber makes between burner hearth and the exterior annular water cavity and does not directly contact, thereby delayed cold and hot exchange velocity, guarantee that temperature can not transmitted too fast being affected because of heat in the burner hearth, impel the interior fire coal of burner hearth to be in the high-temp combustion state, by the burner hearth thermometric test to this boiler, its combustion temperature in hearth is up to more than 1300 ℃, temperature raising and amount of oxygen increase can guarantee that coal fully burns in the burner hearth, thereby the thermal efficiency is improved.On the other hand, it between burner hearth sidewall and the furnace wall annular water chamber, this annular water chamber is communicated with the boiler annular water chamber, be connected with burner hearth sidewall by supporting heat-conducting plate in the annular wind chamber, the width that supports heat-conducting plate is less than or equal to 15mm, heat-conducting plate can in time pass to the annular wind chamber madial wall that is in high temperature the annular water chamber in the outside, guarantees long-term use the in annular wind chamber and is not burnt out or melt (temperature of ferrous metal surpasses 1500 ℃ and will be melted), thereby prolonged the service life of boiler.Moreover, because temperature height and oxygen abundance in the burner hearth, fuel can fully burn, the burning height that forms will exceed plain cylindrical furnace 20～30%, the present invention is designed to highly with the fire that hangs of burner hearth that (evaporation capacity is that 0.1 ton-0.5 ton boiler is 600mm-1000mm), can increase degree of heat and improve efficiency of combustion.Through evidence: the thermal efficiency is up to 93%.
2, this boiler self environment protecting is splendid, and dust removal installation is simple and easy rationally.Reduced production cost, taken leave of harmful substances such as black smoke and dust, responded the reduction of discharging environmental protection policy of national promotion, the utmost point has popularizing value.
3, volume of the present invention is little, and is in light weight, and processing and manufacturing easily is convenient to safeguard and maintenance that long service life can be saved great deal of steel.
4, reaction speed is fast, and the state of banking up a fire can produce steam in following three minutes, saves a large amount of man hour of labour.
Under the situation that does not add any chemicals, non-scaling in the body of heater, long service life, boiler can be in power save mode for a long time.
5, flame temperature height in the burner hearth, firepower is brave and fierce, can reduce a large amount of heats and run off, than the boiler energy-saving of other manufacturer production more than 40%.
6, the present invention has increased heat exchanger above boiler, and this heat exchanger has two kinds of effects.On the one hand, heat exchanger is further recycled the heat of smoke stack emission, and the hot water temperature who discharges from heat exchanger spends greater than 80, and this hot water is communicated with the back to be used as compensation water in the boiler with the water inlet of annular water chamber, improves the heat energy utilization rate.On the other hand, be that boiler of the present invention is designed to grate area (evaporation capacity is that 0.1 ton-0.5 ton boiler is 0.08 ㎡-0.3 ㎡), boiler annular water chamber diameter is also dwindled, hang fire highly improves in addition, make invention have the directly-heated effect (promptly under the situation that further improves heating-up temperature and abundant combustion fuel, reduce the volume that needs directly to add hot water in the boiler again), utilize heat exchanger to continue heat supply water and guarantee that boiler is in the operate as normal water level in the water source by way of compensation, and can use continuously.
Description of drawings:
Fig. 1 is a surface structure schematic diagram of the present invention;
Fig. 2 is the part section structural representation of Fig. 1;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is one of annular wind chamber modular construction schematic diagram among Fig. 3;
Fig. 5 be among Fig. 3 annular wind chamber modular construction schematic diagram two;
Fig. 6 is the another kind of A-A cross-sectional view of Fig. 2;
Fig. 7 is an annular wind chamber modular construction schematic diagram among Fig. 6.
Number in the figure 1 is a boiler body, and 2 is annular water chamber, and 3 is burner hearth, 4 is deashing chamber (being inlet air plenum simultaneously), and 5 is annular wind chamber, and 6 is annular wind chamber madial wall, 7 is annular deep bead, 8 is the furnace wall, and 9 is total air inlet (being connected with blower fan), and 10 is smoke-outlet flue (chimney), 11 is heat exchanger, 12 is the cold water inlet of heat exchanger, and 13 is fire door, and 14 is shoot door, 15 is the linker interface, 16 is base, and 17 for supporting heat-conducting plate, and 18 is annular wind chamber exhaust vent, 19 is steam (vapor) outlet, 20 is water inlet (hot water compensating port), and 21 is annular wind chamber air admission hole, and 22 is the heating pipe.
The specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of energy-saving environmental protection boiler, boiler body 1 comprise boiler furnace 3 and annular water chamber 2, and chimney 10, burner hearth 3 bottoms are provided with fire grate 8, and fire grate 8 bottoms are deashing chamber, deashing chamber one side is provided with total air inlet 9, and fresh air inlet is connected with blower fan.The boiler below is provided with water inlet, and the boiler top is provided with steam (vapor) outlet.The burner hearth madial wall is provided with an annular wind chamber 5, be connected with burner hearth sidewall by supporting heat-conducting plate 17 in the annular wind chamber 5,5 bottoms, annular wind chamber are provided with fresh air inlet 21, bottom air inlet hole, annular wind chamber is communicated with deashing chamber, annular wind chamber 5 madial walls are provided with exhaust vent 6, be annular water chamber 2 between burner hearth sidewall and the furnace wall, described water inlet pipe 20 is communicated with this annular water chamber 2.
Upper end, annular wind chamber is provided with an annular deep bead 7, and these annular deep bead 7 internal diameters are less than annular wind chamber internal diameter.The annular deep bead makes burner hearth be in partial closure's state, can guarantee in the burner hearth temperature higher be full combustion of fuel, deep bead can also keep air to come together to the center, helps oxygen and fully contacts with fuel.
The aperture of exhaust vent 18 increases from the top down gradually on 5 madial walls of annular wind chamber.
In the present embodiment, boiler 1 top is equipped with heat exchanger 11, be provided with straight-through comb in the heat exchanger 11, the import that should lead directly to comb is communicated with boiler chimney 10, the opposite side of straight-through comb is upwards discharging directly, this moment, the heat exchanger bottom was provided with water inlet, and top sets out the mouth of a river, and this delivery port is communicated with by the water inlet of pipeline with boiler lower annular water cavity sidewall.By the effect of heat exchanger, the heat of smoke stack emission further can be recycled, from about about 80 degree of the hot water temperature of heat exchanger eliminating, this hot water is communicated with the back to be used as compensation water in the boiler with the water inlet of annular water chamber.
Fig. 3 and Fig. 4 are as can be seen, the cross section that chimney is is square or rectangular structure, be welded with a plurality of support heat-conducting plates 17 on the madial wall 6 in annular wind chamber, each other end and burner hearth sidewall that supports heat-conducting plate 17 welds together, thereby individual support heat-conducting plate plays the effect of support and heat conduction.Because temperature is up to more than 1,000 degree in the burner hearth, add the oxygen that annular wind chamber constantly replenishes from top to bottom, the clean-burning temperature of fuel can be higher in the burner hearth, a plurality of support heat-conducting plates 17 can pass to annular water chamber rapidly with the heat on the sidewall 6, thereby the temperature that keeps sidewall 6 can Yin Gaowen and melt or burn.
With water capacity is that the energy-saving environmental protection boiler of the present invention of three models is as follows with hot-water boiler contrast experiment at present commonly used.
Common water heater: utilize heat to be: the fire coal of 5300 kilocalories is warmed to 100 degree, uses coal more than 100 kilograms.Working time was not less than 2 hours.
Boiler of the present invention: utilize heat to be: the fire coal of 5300 kilocalories is warmed to 100 degree, only needs 45 kilograms with coal.Working time can finish in one hour.
The contrast experiment shows, the present invention can make fire coal fill the burning combustion reaching the purpose of saving coal resources, and the efficiency of heating surface is enhanced about more than once.
Embodiment two: referring to 1, Fig. 2, Fig. 3 and Fig. 5, content and embodiment one are basic identical, and something in common does not repeat, and different is: annular wind chamber is the annular combining structure that a plurality of L shaped steel plates weld formation successively.
Embodiment three: referring to 1, Fig. 2, Fig. 6 and Fig. 7, content and embodiment one are basic identical, something in common does not repeat, and different is: the cross section that chimney is is a circular configuration, and annular wind chamber is that a plurality of U shaped steel plates and plane steel plate alternately weld the annular combining structure that forms.
Claims (9)
1. an energy-saving environmental protection boiler comprises boiler furnace, fire grate, chimney, hot-water cavity, deashing chamber, air inlet and water inlet, steam (vapor) outlet, it is characterized in that: burner hearth arranged outside annular water chamber, between burner hearth and annular water chamber, be provided with an annular wind chamber, annular wind chamber is fixedly connected with the support heat-conducting plate between the two side, bottom, annular wind chamber is provided with fresh air inlet, and annular wind chamber madial wall is provided with exhaust vent.
2. energy-saving environmental protection boiler according to claim 1 is characterized in that: the width in described annular wind chamber, the width that promptly supports heat-conducting plate is less than or equal to 15mm.
3. energy-saving environmental protection boiler according to claim 1 is characterized in that: upper end, annular wind chamber is provided with an annular deep bead, and this annular deep bead internal diameter is less than annular wind chamber internal diameter.
4. energy-saving environmental protection boiler according to claim 1 is characterized in that: the aperture of exhaust vent increases from the top down gradually on the madial wall of annular wind chamber.
5. energy-saving environmental protection boiler according to claim 1, it is characterized in that: upper boiler is equipped with heat exchanger, be provided with straight-through comb in the heat exchanger, the import that should lead directly to comb is communicated with boiler chimney, the heat exchanger bottom is provided with water inlet, top sets out the mouth of a river, and this delivery port is communicated with by the water inlet of pipeline with boiler lower annular water cavity sidewall.
6. energy-saving environmental protection boiler according to claim 1 is characterized in that: total fresh air inlet is arranged on the deashing chamber sidewall, and bottom air inlet hole, annular wind chamber is communicated with deashing chamber.
7. energy-saving environmental protection boiler according to claim 1 is characterized in that: annular wind chamber is a plurality of U shaped steel plate butt joint combining structures, perhaps is the alternately annular combining structure of welding formation of a plurality of U shaped steel plates and plane steel plate.
8. energy-saving environmental protection boiler according to claim 1 is characterized in that: annular wind chamber is the annular combining structure that a plurality of L shaped steel plates weld formation successively.
9. energy-saving environmental protection boiler according to claim 1 is characterized in that: the grate area scope is 0.08 square metre～0.12 square metre, hangs fire and highly is 600mm～800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110142553 CN102261635B (en) | 2011-05-30 | 2011-05-30 | Environment-friendly energy-saving boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110142553 CN102261635B (en) | 2011-05-30 | 2011-05-30 | Environment-friendly energy-saving boiler |
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| Publication Number | Publication Date |
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| CN102261635A true CN102261635A (en) | 2011-11-30 |
| CN102261635B CN102261635B (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110142553 Expired - Fee Related CN102261635B (en) | 2011-05-30 | 2011-05-30 | Environment-friendly energy-saving boiler |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001046620A1 (en) * | 1999-12-22 | 2001-06-28 | Olivine (Nz) Limited | Waste incinerator, method of combustion and waste-to-energy facility |
| CN2570688Y (en) * | 2002-09-12 | 2003-09-03 | 黄厚吉 | High-efficient pollutionless boiler |
| CN2573930Y (en) * | 2002-09-29 | 2003-09-17 | 智宝旦 | High-efficiency domestic heating boiiler |
| CN2725783Y (en) * | 2004-05-02 | 2005-09-14 | 王军 | Energy-saving special boiler using coke or briquette |
| CN2750192Y (en) * | 2004-09-06 | 2006-01-04 | 李金才 | Multi-stage rotary energy-saving vertical boiler capable of removing dust and unwanted gases |
| CN101655279A (en) * | 2009-05-29 | 2010-02-24 | 李金才 | Multi-stage rotating energy-saving dust and harmful substance removing vertical boiler |
| CN201448874U (en) * | 2009-07-27 | 2010-05-05 | 山东欣泽生物质能源开发有限公司 | Constant-volume air and oxygen supply device for combustion system of biomass gasifier |
| CN202188478U (en) * | 2011-05-30 | 2012-04-11 | 裴娟 | Environment-friendly energy-saving boiler |
-
2011
- 2011-05-30 CN CN 201110142553 patent/CN102261635B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001046620A1 (en) * | 1999-12-22 | 2001-06-28 | Olivine (Nz) Limited | Waste incinerator, method of combustion and waste-to-energy facility |
| CN2570688Y (en) * | 2002-09-12 | 2003-09-03 | 黄厚吉 | High-efficient pollutionless boiler |
| CN2573930Y (en) * | 2002-09-29 | 2003-09-17 | 智宝旦 | High-efficiency domestic heating boiiler |
| CN2725783Y (en) * | 2004-05-02 | 2005-09-14 | 王军 | Energy-saving special boiler using coke or briquette |
| CN2750192Y (en) * | 2004-09-06 | 2006-01-04 | 李金才 | Multi-stage rotary energy-saving vertical boiler capable of removing dust and unwanted gases |
| CN101655279A (en) * | 2009-05-29 | 2010-02-24 | 李金才 | Multi-stage rotating energy-saving dust and harmful substance removing vertical boiler |
| CN201448874U (en) * | 2009-07-27 | 2010-05-05 | 山东欣泽生物质能源开发有限公司 | Constant-volume air and oxygen supply device for combustion system of biomass gasifier |
| CN202188478U (en) * | 2011-05-30 | 2012-04-11 | 裴娟 | Environment-friendly energy-saving boiler |
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| CN102261635B (en) | 2013-09-11 |
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Granted publication date: 20130911 Termination date: 20200530 |