CN202188478U - Environment-friendly energy-saving boiler - Google Patents
Environment-friendly energy-saving boiler Download PDFInfo
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- CN202188478U CN202188478U CN2011201775339U CN201120177533U CN202188478U CN 202188478 U CN202188478 U CN 202188478U CN 2011201775339 U CN2011201775339 U CN 2011201775339U CN 201120177533 U CN201120177533 U CN 201120177533U CN 202188478 U CN202188478 U CN 202188478U
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Abstract
The utility model relates to an environment-friendly energy-saving boiler, which comprises a boiler furnace cavity, a fire grate, a chimney, a hot water chamber, a dust removing chamber, an air inlet, a water inlet and a steam outlet. An annular water chamber is arranged on the outside of the furnace cavity. An annular air chamber is arranged between the furnace cavity and the annular water chamber. A support heat conductive plate is fixedly connected between two lateral walls of the annular air chamber, the bottom of the annular air chamber is provided with an air inlet, and the inner wall of the annular air chamber is provided with an air outlet. The environment-friendly energy-saving boiler can ensure sufficient oxygen supply inside the furnace cavity and enable the furnace cavity to be in indirect contact with the annular water chamber arranged on the outside so as to delay coldness-hotness exchange, improve temperature of the furnace cavity, enable the fuel to be burned sufficiently, and improve combustion efficiency. Meanwhile, the heat conductive plate inside the annular air chamber can conduct heat of the inner wall under high temperature to the annular water chamber arranged on the outside timely, thereby avoiding burning or melting of the annular air chamber in long-term utilization and prolonging service life of a boiler.
Description
Technical field:
The utility model 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 the fire grate entering burner hearths from the bottom, 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 utility model is to overcome 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; Hot-water cavity, 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, and bottom, annular wind chamber is provided with fresh air inlet, and annular wind chamber madial wall is provided with exhaust vent.
The width in said 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 the water inlet of boiler lower annular water cavity sidewall through pipeline.
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.
The grate area scope is 0.08 square metre～0.12 square metre, hangs fire and highly is 600mm～800mm.Wherein, 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 from the burner hearth bottom to top, adding distance between the hot water comb) and is 600mm.
The beneficial effect of the utility model: 1, the utility model 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 guarantees that burner hearth interal supplying oxygen amount is sufficient, and 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 has 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, through 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; Be annular water chamber between burner hearth sidewall and the furnace wall, this annular water chamber is communicated with the boiler annular water chamber, is connected with burner hearth sidewall through 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 are sufficient in the burner hearth; Fuel can fully burn; The burning height that forms will exceed plain cylindrical furnace 20～30%, and the utility model 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, the utility model volume is little, and is in light weight, and processing and manufacturing easily is convenient to safeguard and maintenance that long service life can be practiced thrift 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 is high in the burner hearth, and firepower is brave and fierce, can reduce great amount of heat and run off, than the boiler energy-saving of other manufacturer production more than 40%.
6, the utility model 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 the utility model boiler 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 also is able to dwindle; Hang fiery highly raising in addition, make utility model have directly-heated effect (promptly under the situation that further improves heating-up temperature and abundant combustion fuel, reducing the volume that need directly 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 the bright surface structure sketch map of utility model;
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 sketch map among Fig. 3;
Fig. 5 be among Fig. 3 annular wind chamber modular construction sketch map 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 sketch map among Fig. 6.
Label 1 is a boiler body among the figure, and 2 is annular water chamber, and 3 is burner hearth, and 4 is deashing chamber (being inlet air plenum simultaneously), and 5 is annular wind chamber; 6 is annular wind chamber madial wall, and 7 is annular deep bead, and 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, and 12 is the cold water inlet of heat exchanger, and 13 is fire door, and 14 is shoot door; 15 is the linker interface, and 16 is base, and 17 for supporting heat-conducting plate, and 18 is annular wind chamber exhaust vent; 19 is steam (vapor) outlet, and 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 through supporting heat-conducting plate 17 in the annular wind chamber 5; 5 bottoms, annular wind chamber are provided with fresh air inlet 21, and bottom air inlet hole, annular wind chamber is communicated with deashing chamber, and 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, said 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, is provided with straight-through comb in the heat exchanger 11, and the import of this straight-through 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 the water inlet of boiler lower annular water cavity sidewall through pipeline.Through the effect of heat exchanger, can the heat of smoke stack emission further 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 can find out; 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 burner hearth fuel can be higher; 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.
The use water capacity is that the utility model energy-saving environmental protection boiler of three models is following with hot-water boiler contrast experiment commonly used at present.
Common water heater: utilize heat to be: the fire coal of 5300 kilocalories be warmed to 100 the degree, with coal more than 100 kilograms.Working time was not less than 2 hours.
The utility model boiler: utilize heat to be: the fire coal of 5300 kilocalories is warmed to 100 degree, only needs 45 kilograms with coal.Working time can accomplish in one hour.
The contrast experiment shows, the utility model can make fire coal fill the burning combustion reaching the purpose of practicing thrift 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 is characterized in that: 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, and 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 said 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 of this straight-through comb is communicated with boiler chimney, 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 the water inlet of boiler lower annular water cavity sidewall through pipeline.
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 |
|---|---|---|---|
| CN2011201775339U CN202188478U (en) | 2011-05-30 | 2011-05-30 | Environment-friendly energy-saving boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201775339U CN202188478U (en) | 2011-05-30 | 2011-05-30 | Environment-friendly energy-saving boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188478U true CN202188478U (en) | 2012-04-11 |
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ID=45919928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201775339U Expired - Fee Related CN202188478U (en) | 2011-05-30 | 2011-05-30 | Environment-friendly energy-saving boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261635A (en) * | 2011-05-30 | 2011-11-30 | 裴娟 | Environment-friendly energy-saving boiler |
-
2011
- 2011-05-30 CN CN2011201775339U patent/CN202188478U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261635A (en) * | 2011-05-30 | 2011-11-30 | 裴娟 | Environment-friendly energy-saving boiler |
| CN102261635B (en) * | 2011-05-30 | 2013-09-11 | 裴娟 | Environment-friendly energy-saving boiler |
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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: 20120411 Termination date: 20140530 |