CN203628695U - Gas inlet system of biomass half-gasification boiler - Google Patents
Gas inlet system of biomass half-gasification boiler Download PDFInfo
- Publication number
- CN203628695U CN203628695U CN201320832169.4U CN201320832169U CN203628695U CN 203628695 U CN203628695 U CN 203628695U CN 201320832169 U CN201320832169 U CN 201320832169U CN 203628695 U CN203628695 U CN 203628695U
- Authority
- CN
- China
- Prior art keywords
- air
- inlet cavity
- communicated
- hole
- secondary air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model relates to a gas inlet system of a biomass half-gasification boiler. The gas inlet system comprises a primary air inlet cavity and a secondary air inlet cavity, wherein the primary air inlet cavity is communicated with a half-gasification chamber through a primary air hole, the second air inlet cavity is communicated with a combustion chamber through a secondary air hole, a feeding door and an upper smoke exhaust hole capable of being opened and closed are formed in the half-gasification chamber, and an ash removing door and a lower smoke exhaust hole are formed in the combustion chamber. The system can effectively achieves the purpose that the surfaces of fuel in different heights all can obtain a proper amount of air, and therefore it is guaranteed that product gasification of the biomass fuel and combustion of carbon can be performed at the same time, and the combustion efficiency of the fuel is improved.
Description
Technical field
The utility model relates to a kind of boiler plant technical field, relates in particular to a kind of hot-water boiler of biomass energy half gasification, and combustion.
Background technology
China is being faced with the environmental problem that energy supply is nervous and use primary energy to bring, and the task of energy-saving and emission-reduction, exploitation regenerative resource is day by day arduous.Along with a large amount of consumption of fossil fuel, energy shortage will become the key factor that hinders the sustainable high speed development of China's economy and environment, and therefore, exploitation biomass energy, reduces the dependence to fossil fuel, is the important energy strategy of China.
Existing biomass boiler is in direct combustion mode as main, and structure is mainly improved by traditional cooking stove and coal-burning boiler.This type of boiler is not strong to the combustion characteristics specific aim of biomass fuel, has the technical problems such as burning is insufficient, efficiency of combustion is low, smoke content is high, flue gas exceeds standard.
Summary of the invention
The purpose of this utility model is according to biomass fuel combustion characteristic, a kind of gas handling system of biomass semi-gasification boiler is provided, combustion system also comprises half gasification system, simultaneously for fuel gasification and burning provide an auxiliary air, make fuel combustion abundant, the high and flue dust of efficiency of combustion, flue gas content are low.
The utility model is achieved through the following technical solutions.
A kind of gas handling system of biomass semi-gasification boiler, comprise air-inlet cavity and secondary air chamber, one time air-inlet cavity is communicated with half vaporizer by a wind hole, secondary air chamber is communicated with combustion chamber by secondary air hole, half vaporizer has feeding gate and upper exhaust smoke hole to be opened/closed, and combustion chamber has shoot door and down smoke-discharging hole.
The utility model can also further be realized by following technical measures.
Further, aforementioned half vaporizer is communicated with by nozzle with combustion chamber, and described secondary air hole is communicated with combustion chamber by nozzle.Auxiliary air enters combustion chambers burn after fully mixing with half gasification product, as combustion gas full premix combustion, sufficient combustion.
Further, the air inlet in a described air-inlet cavity and secondary air chamber goes out respectively once air inlet adjustment plate and secondary air adjustable plate.Can, according to the combustion characteristics of different biomass fuels, different air inflows be set.
The gas handling system of aforesaid biomass semi-gasification boiler, also comprises a total air-inlet cavity, and total air-inlet cavity is communicated with respectively air-inlet cavity and secondary air chamber, and there is fender plate at total air inlet place of total air-inlet cavity, regulates air total amount, control combustion firepower.
Further, described fender plate regulates automatically by the temperature control regulator that connects boiler discharging tube, according to the leaving water temperature of setting, auto-control combusting firepower.
Further, described total air-inlet cavity is arranged in exhaust gases passes.Air, from total air inlet enters, is warmed to uniform temperature by fume afterheat in preheating cavity, can effectively improve the thermal efficiency of boiler.
The utility model can all can obtain appropriate air by the never level fuel surface of efficient solution, thereby guarantees that the combustion phases of biomass fuel gasifying product and carbon can carry out simultaneously, has effectively improved the efficiency of combustion of fuel.
Accompanying drawing explanation
Fig. 1 is the gas handling system cross-sectional schematic of biomass semi-gasification boiler of the present utility model.
Fig. 2 is that the A of Fig. 1 is to schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of gas handling system of biomass semi-gasification boiler, as shown in Figure 1 and Figure 2, a kind of gas handling system of biomass semi-gasification boiler, there is total air inlet 1 at the back side of boiler, total air inlet 1 is communicated with total air-inlet cavity, and there is fender plate 11 at total air inlet 1 place, and fender plate 11 regulates automatically by the temperature control regulator 12 that connects boiler discharging tube, according to the leaving water temperature of setting, auto-control combusting firepower.Total air-inlet cavity is arranged in exhaust gases passes 6.Air is from total air inlet 1 enters, be warmed to uniform temperature by smoke pre-heating, total air-inlet cavity is communicated with respectively air-inlet cavity 13 and secondary air chamber 14, the air inlet in air-inlet cavity 13 and secondary air chamber 14 goes out respectively once air inlet adjustment plate 15 and secondary air adjustable plate 16, can, according to the combustion characteristics of different biomass fuels, different air inflows be set.One time air-inlet cavity 13 is communicated with half vaporizer 2 by a wind hole 17, half vaporizer 2 is polygonized structure, upper lateral part is wind hole 17 once, lower wall is placed refractory brick, has a circular wind hole 17 on refractory brick, and primary air is introduced to internal cavities, internal cavities is biomass fuel rest area, fuel tolerance is wide, can be bulk, bar-shaped, can use log directly to burn.Refractory brick nozzle 3 is placed in half vaporizer 2 bottoms, and nozzle 3 is refractory brick prefabricated component, in the middle of body of heater length direction, has bar shaped square hole, passes through for gasification product, has the secondary intake opening 18 of vertical body of heater direction offset on square hole length direction sidewall.Secondary air chamber 14 is communicated with combustion chamber 4, half vaporizers 2 by secondary air hole 18, nozzle 3 and has feeding gate 21 and upper exhaust smoke hole 22 to be opened/closed, and combustion chamber 4 has shoot door 41 and down smoke-discharging hole 42.Auxiliary air enters combustion chambers burn after fully mixing with half gasification product, as full premix combustion, and sufficient combustion.
The gas handling system of a kind of biomass semi-gasification boiler of the present utility model, can be divided into fired state, running status in use procedure.
Before use, need interior whole furnace water jacket 5 water that is all full of.
Fired state: feeding gate 21, shoot door 41 are opened, opened air-introduced machine 7, pull panel pull bar that the open and close valve of upper exhaust smoke hole 22 is opened, now air-flow will directly directly be discharged from this exhanst gas outlet.Do fire-lighter with the thing such as the scraps of paper or wood shavings, be placed on nozzle 3 and light, cover kindling thereon, the size of kindling strengthens gradually from bottom to up, close feeding gate 21, now biomass fuel is direct combustion mode, one time wind hole 17 changes with secondary air hole 18 functions, the wind that now discharge in wind hole 17 is as Secondary Air, the wind that the wind that secondary air hole 18 is discharged and combustion chamber 4 enter is as a wind, now kindling is lighted rapidly and to normal combustion, open feeding gate 21, biomass fuel is inserted in half vaporizer 2, close feeding gate 21, continue to adopt direct combustion mode can expand the intensity of a fire of half vaporizer interior 2, in the time that there is certain red carbon-coating nozzle 3 tops, fired state completes.
Running status: after having lighted a fire, close shoot door 41, promote panel pull bar the open and close valve of upper exhaust smoke hole 22 is closed, at high temperature generating gasification of half vaporizer 2 fuels, gasification product is under air-introduced machine 7 draft effects, during through red carbon-coating, lighted, by nozzle 3, and mixed with auxiliary air, enter combustion chamber 4, mixture runs into combustion chamber 4 bottom refractory bricks and produces convolution, mixture is mixed more abundant, has guaranteed gasification product burning completing combustion.High-temperature flue gas flows to afterbody by refractory brick and the reserved smoke chamber of sidewall from front end, and carry out heat exchange with the water jacket 5 of combustion chamber 4 expoeridiums, flue gas after heat exchange flows to tail flue gas passage 6 after the down smoke-discharging hole 42 of combustion chamber 4 afterbodys is converged, after water jacket 5 and total air-inlet cavity heat exchange, act on down from chimney interface and discharging by air-introduced machine 7.
Claims (6)
1. the gas handling system of a biomass semi-gasification boiler, it is characterized in that comprising air-inlet cavity and secondary air chamber, one time air-inlet cavity is communicated with half vaporizer by a wind hole, secondary air chamber is communicated with combustion chamber by secondary air hole, half vaporizer has feeding gate and upper exhaust smoke hole to be opened/closed, and combustion chamber has shoot door and down smoke-discharging hole.
2. the gas handling system of biomass semi-gasification boiler according to claim 1, is characterized in that described half vaporizer is communicated with by nozzle with combustion chamber, and described secondary air hole is communicated with combustion chamber by nozzle.
3. the gas handling system of biomass semi-gasification boiler according to claim 1 and 2, is characterized in that the air inlet in a described air-inlet cavity and secondary air chamber goes out respectively once air inlet adjustment plate and secondary air adjustable plate.
4. the gas handling system of biomass semi-gasification boiler according to claim 1 and 2, characterized by further comprising a total air-inlet cavity, and total air-inlet cavity is communicated with respectively air-inlet cavity and secondary air chamber, and there is fender plate at the air inlet place of total air-inlet cavity.
5. the gas handling system of biomass semi-gasification boiler according to claim 4, is characterized in that described fender plate regulates automatically by the temperature control regulator that connects boiler discharging tube.
6. the gas handling system of biomass semi-gasification boiler according to claim 4, is characterized in that described total air-inlet cavity is arranged in exhaust gases passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832169.4U CN203628695U (en) | 2013-12-17 | 2013-12-17 | Gas inlet system of biomass half-gasification boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832169.4U CN203628695U (en) | 2013-12-17 | 2013-12-17 | Gas inlet system of biomass half-gasification boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203628695U true CN203628695U (en) | 2014-06-04 |
Family
ID=50815169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320832169.4U Expired - Fee Related CN203628695U (en) | 2013-12-17 | 2013-12-17 | Gas inlet system of biomass half-gasification boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203628695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879746A (en) * | 2015-06-03 | 2015-09-02 | 江西前程新能源科技有限公司 | Biomass semi-gasification combustion equipment |
| CN105910113A (en) * | 2016-06-16 | 2016-08-31 | 中央军委后勤保障部建筑工程研究所 | Fire distribution plate |
-
2013
- 2013-12-17 CN CN201320832169.4U patent/CN203628695U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879746A (en) * | 2015-06-03 | 2015-09-02 | 江西前程新能源科技有限公司 | Biomass semi-gasification combustion equipment |
| CN105910113A (en) * | 2016-06-16 | 2016-08-31 | 中央军委后勤保障部建筑工程研究所 | Fire distribution plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103742946A (en) | Downdraft biomass gasification combustion cooking and heating furnace | |
| CN201680417U (en) | Biomass energy-saving environment-protection cooking-heating furnace | |
| CN203628695U (en) | Gas inlet system of biomass half-gasification boiler | |
| CN202281217U (en) | Micro-emission energy-saving coal-to-gas boiler | |
| CN205245144U (en) | Biomass fuel heating boiler that burns | |
| CN201954586U (en) | Semi-gasification energy-saving firewood heating furnace | |
| CN204187606U (en) | Change type fire coal and gasification of biomass energy-saving, environmental protection boiler | |
| RU182455U1 (en) | LONG-BURNING WATER-SOLID FUEL BOILER | |
| CN201513880U (en) | Integral gasifying combination burning boiler | |
| CN201764676U (en) | Carbonized gas mixed-combustion normal pressure boiler | |
| CN201636841U (en) | Biomass bath-heating non-pressure boiler | |
| CN201547816U (en) | Multifunctional biomass gasification heating stove | |
| CN201697167U (en) | Efficient emission-reducing firewood/coal energy-saving furnace | |
| CN201462915U (en) | Biomass semi-gasification furnace | |
| CN204757012U (en) | Waste heat recovery's return air stove can carry out | |
| CN203629009U (en) | Normal pressure hot water boiler for half-gasification of biomass | |
| CN209147149U (en) | Counter-combustion coal stove and its secondary air-distributing device | |
| CN209147151U (en) | More backhaul reverse burning furnace tools | |
| CN202868749U (en) | Energy conservation furnace | |
| CN201339977Y (en) | Household gas oven with function of flue gas recirculation | |
| CN202012949U (en) | Energy-saving and emission-reducing high temperature furnace | |
| CN103644649A (en) | Atmospheric pressure hot water biomass boiler with semi-gasification combustion feature | |
| CN201096402Y (en) | Entirety reverse burning energy-saving environment-friendly boiler with water pipe | |
| CN204629589U (en) | A kind of anti-burning gasification fire control type combustion furnace | |
| CN205137544U (en) | Cooking heating stove with water pipe heat exchanger |
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: 20140604 Termination date: 20181217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |