CN202485021U - Biomass stratified suspension combustion boiler - Google Patents
Biomass stratified suspension combustion boiler Download PDFInfo
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- CN202485021U CN202485021U CN2012200772357U CN201220077235U CN202485021U CN 202485021 U CN202485021 U CN 202485021U CN 2012200772357 U CN2012200772357 U CN 2012200772357U CN 201220077235 U CN201220077235 U CN 201220077235U CN 202485021 U CN202485021 U CN 202485021U
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- boiler
- biomass fuel
- spraying hole
- living beings
- combustion type
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Abstract
The utility model discloses a biomass stratified suspension combustion boiler which comprises a boiler body, a grate, a lower boiler, an upper boiler, a feed port and a flue, wherein the grate is located at the lower part of the boiler body; the lower boiler is arranged in a hearth above the grate; the upper boiler is arranged at the upper part of the boiler and connected with the lower boiler through multiple groups of heat exchange pipes; the feed port is located at one end, corresponding to the grate, of the boiler body; the flue is arranged at the other end of the boiler body and is used for discharging smoke; a packing auger I arranged at the feed port is driven by a motor, corresponds to the grate and stirs sectional biomass fuel; and spraying holes for spraying the powdery biomass fuel into the boiler are formed on the two side walls, corresponding to on the front section of the hearth, of the boiler and are connected with a distribution draught fan driving the powdery biomass fuel to flow through a pipeline. The boiler disclosed by the utility model has a reasonable structure, is practical and economical and can greatly reduce heat loss by taking biomass as fuel and adopting a stratified suspension combustion mode.
Description
Technical field
It is the combustion apparatus of fuel with living beings that the utility model relates to a kind of, the boiler that a kind of specifically living beings combine suspended pattern to burn and heat with layering.
Background technology
Domestic middle-size and small-size Industrial Boiler generally through the coal-fired burner hearth to boiler of fire grate transportation, is provided with blower fan below fire grate at present, and air gets in the burner hearth from the fire grate gap, makes coal-fired further fully burning.This combustion system heat is concentrated on cook and fire grate between; The coal-fired heat that produces can not effectively be cooked and the heat exchanger tube between last pot absorbs; The coal-fired calory burning that produces has certain loss; And in combustion process, because coal-fired content of material own also can produce pernicious gases such as sulfur dioxide.
In numerous new forms of energy, reproducible biomass energy has great potentiality to be exploited.So-called biomass energy is with the environmental protection new forms of energy of stalks such as rice husk, cornstalk, peanut shell through the biomass fuel of processing generation; Aboundresources not only, characteristic such as also have the efficiency of combustion height, pollutant emission is few, price is low, combustible component high (volatile matter+fixed carbon) ash amount is few.Biological material is press-fited into piece, and getting into boiler replacement fired coal combustion by coal-fired charge door is a kind of novel combustion system.This combustion system has solved coal-fired consumption to a great extent and has reduced the problem of pernicious gas.But in Actual combustion, because the inherent structure setting of boiler, the heat that burning produces still can't effectively arrive at heat exchanger tube and go out, so still some energy loss has been fallen.
The utility model content
The utility model technical issues that need to address provide and a kind ofly can effectively reduce thermal loss, that with living beings be fuel, the outstanding combustion type boiler of layering.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
Combustion type boiler is hanged in the living beings layering; The burner hearth setting that comprise boiler body, is positioned at fire grate, the fire grate top of boiler body bottom is cooked, the upper boiler setting through many groups heat exchanger tube with cook connect upward pot and be positioned at boiler body one end corresponding charging aperture at the fire grate place, be positioned at the flue of the smoke evacuation of the boiler body other end; Said charging aperture setting is by the auger I of the motor-driven stirring section shape biomass fuel corresponding with fire grate; The front-end position of corresponding burner hearth is provided with the material spraying hole that in boiler, sprays into the powdery biomass fuel on the two side of said boiler, and said material spraying hole is connected with the sub-material air-introduced machine that orders about powdery biomass fuel flow through pipeline.
The further improvement of the utility model is: the front end of said sub-material air-introduced machine is provided with powder biomass fuel feed bin; The top of said powder biomass fuel feed bin is provided with the belt conveyor in the material source warehouse that is connected to the powdery biomass fuel, and the bottom of said powder biomass fuel feed bin is provided with the auger II of stirring the powdery biomass fuel.
The further improvement of the utility model is: the material spraying hole of said boiler is symmetrical set on the two side of boiler, and material spraying hole is the incline direction setting that the powdery biomass fuel is sprayed into downwards.
The further improvement of the utility model is: the material spraying hole of said boiler both sides respectively is provided with one or more than one, and through being in charge of I and the pipeline connection that is connected the sub-material air-introduced machine, the diameter of said each material spraying hole is 180～200mm to each material spraying hole respectively.
The further improvement of the utility model is: the downward-sloping angle of said material spraying hole becomes 5 °～25 ° with vertical plane.
The further improvement of the utility model is: the position of corresponding heat exchanger tube between going up pot and cooking is provided with and makes the make a circulation windbreak that advances of hot gas in the boiler in the burner hearth of said boiler.
The further improvement of the utility model is: said windbreak is separately positioned on the two side of boiler, leaves ventilation gap between the windbreak of a side and the opposite side inboard wall of burner hearth.
The further improvement of the utility model is: pot is provided with two sound wave dust blower I that are connected with air compressor with the position of heat exchanger tube between cooking on the sidewall correspondence of said boiler one side.
The further improvement of the utility model is: the cigarette water-to-water heat exchanger is set on the said flue, the sound wave dust blower II that is connected with air compressor is set on the lateral wall of said cigarette water-to-water heat exchanger.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
The utility model has carried out structural adjustment to the part on the basis that keeps the most original structure of boiler body, make the feeding style of boiler change biomass fuel into by original fire coal.The mode of the biomass fuel section of being divided into shape and two kinds of combinations of powdery.During operate as normal, with the biomass material process processing of collecting, to reach fuel standard.The powdery biomass fuel mixes the combustion chamber that afterwards tangentially sprays into boiler from material spraying hole through supporting feed bin and air-introduced machine with air on the one hand, has strengthened the contact-making surface of fuel and air, has increased the skyborne holdup time of fuel.Because biomass fuel has the low degree of carbonisation of high volatile, release heat rapidly under this fired state though caloric value is lower than coal slightly, can meet or exceed the heat capacity of coal; With the auger I of section shape biomass fuel, directly drop into the combustion chambers burn heat supply on the other hand along fire grate by charging aperture.Because the chemistry of biomass fuel constitutes, in the whole process of burning, almost there is not the discharging of sulphur, stopped the pollution problem and the disposal of pollutants expense that produce because of the sulfur-containing compound discharging basically.The air quantity valve of adjustment fire grate is 60% of original air quantity; Rationally adjust the travelling speed of fire grate; Section shape biomass fuel forms the burning of bottom at the fire grate place, the powdery biomass fuel then gets into boiler through the sub-material air-introduced machine from material spraying hole, and the powdery biomass fuel is suspended in the burning of carrying out the upper strata in the burner hearth; The mode of layering and suspension combustion; The powdery biomass fuel with the heat of section shape biomass combustion with the distinguished and admirable heat exchanger tube place of circling round in the burner hearth, strengthened the utilization rate of heat, improved the efficient of heat exchanger tube.The windbreak that is provided with at the heat exchanger tube place has further strengthened circuitous flow of heat between heat exchanger tube, is convenient to the absorption of heat.On the other hand, sound wave dust blower I is set, has reduced the dust that stops on the heat exchanger tube, improved the result of use of heat exchanger tube in boiler side walls.The cigarette water-to-water heat exchanger that is provided with at the flue place has further rationally utilized waste heat, and the water that is heated can be that life is used, and also can directly get in the cooking of boiler.Set sound wave dust blower II has further improved the heat exchange effect of cigarette water-to-water heat exchanger.
To sum up, the utility model is rational in infrastructure, practicality is economical, is fuel with living beings, adopts the outstanding combustion formula of layering, has significantly reduced thermal loss.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is heat exchanger tube and a flue vertical view partly among Fig. 1.
Wherein, 1, belt conveyor, 2, powder biomass fuel feed bin, 3, pipeline, 4, the sub-material air-introduced machine, 5, charging aperture; 6, auger I, 7, motor, 8, section shape biomass fuel, 9, the powdery biomass fuel, 10, fire grate, 11, cook; 12, go up pot, 13, heat exchanger tube, 14, windbreak, 15, sound wave dust blower I, 16, the cigarette water-to-water heat exchanger, 17, sound wave dust blower II; 18, flue, 19, air compressor, 20, the auger II, 21, be in charge of I, 22, material spraying hole.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained further details:
Combustion type boiler is hanged in the living beings layering, and is as shown in Figure 1, comprises pot 12 being set and cooking 11 boiler.The fuel section of the comprising shape biomass fuel and the powdery biomass fuel of boiler; The bottom of said boiler is provided with the fire grate 10 of transportation section shape biomass fuel; One end of fire grate is arranged at the corresponding charging aperture 5 of fire grate; Said charging aperture 5 is provided with one and stirs section auger I 6 of shape biomass fuel, and the length of said auger I 6 is corresponding each other with fire grate 10 corresponding width distance at charging aperture, and an end of auger I is connected with motor 7 through belt.At the conveying mechanism of the belt-like machine of the front end setting section of the being connected to shape biomass fuel material source of said charging aperture, be convenient to realize automation.
The two side of said boiler is provided with the material spraying hole 22 that in boiler, sprays into the powdery biomass fuel, and the material spraying hole of said boiler is set to one or more than one, and is symmetricly set on the two side of boiler.Each material spraying hole 22 is connected with the pipeline 3 of sub-material air-introduced machine 4 through being in charge of I 21 respectively, and the diameter of said each material spraying hole is 180～200mm.Material spraying hole 22 is the incline direction setting that the powdery biomass fuel is sprayed into downwards.Said material spraying hole 22 downward-sloping angles become 5 °～25 ° with vertical plane.The front end of said sub-material air-introduced machine is provided with powder biomass fuel feed bin 2; The top of said powder biomass fuel feed bin 2 is provided with the belt conveyor 1 in the material source warehouse that is connected to the powdery biomass fuel, and the bottom of said powder biomass fuel feed bin 2 is provided with the auger II 20 of stirring the powdery biomass fuel.
Between the going up pot and cook of said boiler the heat exchanger tubes 13 of organizing are set more; Corresponding upward pot is provided with windbreak 14 with the position of the heat exchanger tube of cooking 13 on the sidewall in the burner hearth of said boiler; Be convenient to circuitous the advancing of hot gas in the boiler; Twice windbreak 14 is set on the sidewall of boiler, and twice windbreak 14 keeps the gap with the opposite side inboard wall of burner hearth separately.Pot is provided with two sound wave dust blower I 15 with the position of the heat exchanger tube of cooking on the sidewall correspondence of said boiler one side, is used to exchange the heat pipe dedusting, and said sound wave dust blower I 15 is connected with air compressor 19.
On the flue 18 of said boiler cigarette water-to-water heat exchanger 16 is set, the sound wave dust blower II 17 that is connected with air compressor 19 is set on the lateral wall of said cigarette water-to-water heat exchanger 16.
The another kind of embodiment of the utility model does, the both sides of said boiler all are provided with four material spraying holes, and the position that connects the corresponding material spraying hole of the pipeline of sub-material air-introduced machine 4 is provided with four and is connected to being in charge of of material spraying hole.
Claims (9)
1. combustion type boiler is hanged in the living beings layering; The burner hearth setting that comprise boiler body, is positioned at fire grate (10), the fire grate top of boiler body bottom is cooked (11), upward pot (12) and the corresponding charging aperture (5) at fire grate (10) located that be positioned at boiler body one end of upper boiler setting through many group heat exchanger tubes (13) and (11) connection of cooking, the flue (18) that is positioned at the smoke evacuation of the boiler body other end; It is characterized in that: said charging aperture (5) is provided with the auger I (6) of the stirring section shape biomass fuel corresponding with fire grate that is driven by motor (7); The front-end position of corresponding burner hearth is provided with the material spraying hole (22) that in boiler, sprays into the powdery biomass fuel on the two side of said boiler, and said material spraying hole (22) is connected with the sub-material air-introduced machine (4) that orders about powdery biomass fuel flow through pipeline (3).
2. combustion type boiler is hanged in living beings layering according to claim 1; It is characterized in that: the front end of said sub-material air-introduced machine (4) is provided with powder biomass fuel feed bin (2); The top of said powder biomass fuel feed bin (2) is provided with the belt conveyor (1) in the material source warehouse that is connected to the powdery biomass fuel, and the bottom of said powder biomass fuel feed bin (2) is provided with the auger II (20) of stirring the powdery biomass fuel.
3. combustion type boiler is hanged in living beings layering according to claim 1, it is characterized in that: the material spraying hole of said boiler (22) is symmetrical set on the two side of boiler, and material spraying hole (22) is the incline direction setting that the powdery biomass fuel is sprayed into downwards.
4. according to claim 1 or the outstanding combustion type boiler of 3 described living beings layerings; It is characterized in that: the material spraying hole (22) of said boiler both sides respectively is provided with one perhaps more than one; Each material spraying hole (22) connects with the pipeline that is connected sub-material air-introduced machine (4) (3) through being in charge of I (21) respectively, and the diameter of said each material spraying hole (22) is 180～200mm.
5. combustion type boiler is hanged in living beings layering according to claim 4, it is characterized in that: the downward-sloping angle of said material spraying hole (22) becomes 5 °～25 ° with vertical plane.
6. combustion type boiler is hanged in living beings layering according to claim 1, it is characterized in that: the position of corresponding heat exchanger tube (13) between going up pot and cooking is provided with and makes the make a circulation windbreak (14) that advances of hot gas in the boiler in the burner hearth of said boiler.
7. combustion type boiler is hanged in living beings layering according to claim 6, it is characterized in that: said windbreak (14) is separately positioned on the two side of boiler, leaves ventilation gap between the windbreak of a side and the opposite side inboard wall of burner hearth.
8. according to the outstanding combustion type boiler of claim 1,6 or 7 each described living beings layerings, it is characterized in that: pot is provided with two sound wave dust blower I (15) that are connected with air compressor (19) with the position of heat exchanger tube (13) between cooking on the sidewall correspondence of said boiler one side.
9. combustion type boiler is hanged in living beings layering according to claim 8; It is characterized in that: cigarette water-to-water heat exchanger (16) is set on the said flue (18), the sound wave dust blower II (17) that is connected with air compressor is set on the lateral wall of said cigarette water-to-water heat exchanger (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200772357U CN202485021U (en) | 2012-03-05 | 2012-03-05 | Biomass stratified suspension combustion boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200772357U CN202485021U (en) | 2012-03-05 | 2012-03-05 | Biomass stratified suspension combustion boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485021U true CN202485021U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200772357U Expired - Fee Related CN202485021U (en) | 2012-03-05 | 2012-03-05 | Biomass stratified suspension combustion boiler |
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| CN (1) | CN202485021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976611A (en) * | 2015-06-24 | 2015-10-14 | 张辉和 | Biomass combustion boiler and combustion method thereof |
-
2012
- 2012-03-05 CN CN2012200772357U patent/CN202485021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976611A (en) * | 2015-06-24 | 2015-10-14 | 张辉和 | Biomass combustion boiler and combustion method thereof |
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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 |
Granted publication date: 20121010 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |