CN202791987U - Biomass combustor - Google Patents
Biomass combustor Download PDFInfo
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- CN202791987U CN202791987U CN 201220448658 CN201220448658U CN202791987U CN 202791987 U CN202791987 U CN 202791987U CN 201220448658 CN201220448658 CN 201220448658 CN 201220448658 U CN201220448658 U CN 201220448658U CN 202791987 U CN202791987 U CN 202791987U
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- combustor
- wall
- biomass
- block board
- combustion chamber
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Abstract
The utility model relates to a biomass combustor. An inner wall in the middle of the combustor is spiral; a heat accumulation body is arranged in the middle of an inner bore of the combustor; ash blocking plates are arranged at the upper part of the inner wall of the combustor; a biomass inlet, a diesel igniter inlet and primary air inlets are formed in a wall of the combustor and among the heat accumulation body and the ash blocking plates; a gasification combustion chamber is formed among the heat accumulation body and the ash blocking plates; secondary air inlets and water vapor inlets are formed in the wall of the combustor and below the heat accumulation body to form a secondary gasification chamber; tertiary air inlets are formed in the wall of the combustor and above the ash blocking plates; a residual gas combustion chamber is formed among the ash blocking plates and the top of the combustor; and spiral coils are arranged on the wall of the combustor in the residual gas combustion chamber and the gasification combustion chamber. With the adoption of the biomass combustor, biomass can be sufficiently combusted, the combustion temperature can reach above 1200 DEG C, the combustion efficiency can reach above 93%, the combustion pollution is reduced, the allowable particle size scope of biomass granular fuel is expanded, the breaking cost of plant powder fuel is lowered, and novel technical equipment is provided for heat utilization of the biomass.
Description
Technical field
The utility model relates to a kind of combustion apparatus of living beings, is specially a kind of biomass combustion machine.
Background technology
Along with the day by day exhaustion of fossil energy and being on the rise of environmental problem, take coal as example, not only in short supply, price escalates, and has the problems such as efficient is low, seriously polluted in civilian and part industrial utilization process.Again take fuel oil and fuel gas as example, the resource wretched insufficiency of China's this respect, the price of crude oil and the natural gas liter that wafts brings immense pressure for China's economy and social development in the world.In addition, combustion of fossil fuels discharges a large amount of greenhouse gases, is the major reason that causes Global climate change.Oneself has become urgent problem the exploitation clean renewable resources.Under this background, biomass energy stores and transportable regenerative resource as a kind of, and its efficient conversion and clean utilization are subject to global attention day by day.
Living beings are organic matters that plant generates by photosynthesis, and there are these biolobic material energy resources of abundant agricultural solid residue in China.Because the living beings majority is the agriculture and forestry organic waste materials such as straw, shrub, wherein Na, K, Si and other volatile materials are than the high decades of times of pure wood chip.Compare with coal, its volatile component is high, and carbon activity is high, and sulfur content and ash content are low.Simultaneously, living beings are utilized in the process, S0
2, NO
xDischarge capacity few, from the angle of carbon ecological circulation, C0
2Discharge capacity be zero.Therefore, utilize in a large number biomass resource, saved fossil fuel resource on the one hand, reduced on the other hand C0
2, SO
2And NO
xDeng pollutant emission, improved environmental quality.So the development and use biomass energy has strategic importance.
The granular fuel that utilizes draft and ligniform biomass to produce is a kind of high-quality biomass fuel, can be used for Substitute coal, fuel oil and gas.It not only can provide the more energy, also have the characteristics such as efficiency of combustion height, pollutant emission are few, and price is not higher than coal and natural gas far below fuel oil yet.
The volatile matter content that biomass granule fuel has is high, the characteristics that ash fusion point is low.The miniature boiler of this fuel of burning requires burner structure compact, reasonable in design, and efficiency of combustion is high, stable and reliable operation.Therefore, need design and development advanced person's burner, to realize the efficient burning of biomass granule fuel, for the heat transmission equipments such as boiler provide effectively, practical and relatively inexpensive thermal source.Present existing biomass granular fuel combustor is arranged on heat transmission equipment inside more, brings many difficulties for the design and running maintenance of small-sized heat transmission equipment, and has increased manufacturing cost.Practical external biomass combustion machine will be subject to the welcome in market.
The utility model content
The technical problem that the utility model solves is to provide a kind of biomass combustion machine, with the clean-burning problem of biomass fuel that solves.
The technical problem that the utility model solves realizes by the following technical solutions:
Biomass combustion machine, combustor middle part internal face in the shape of a spiral, the thorax middle part is provided with the poultry hot body in the combustor, the combustor upper inside wall is provided with dust block board, on the combustor wall, have living beings entrance, diesel oil igniter entrance and an air inlet between poultry hot body and the dust block board, between poultry hot body and dust block board, form gasification combustion chamber; The bottom of combustor is up big and down small cone, and the cone end is provided with ash hole, on the combustor wall, the poultry hot body below have secondary air inlet, steam entry, form the second gasification chamber; On the combustor wall, dust block board above have air inlet three times, form the residual air combustion chamber between dust block board and the combustor top, be provided with spiral coil at the combustor wall of residual air combustion chamber and gasification combustion chamber.
Described ash hole top is provided with pressure screw ash ejector, and ashes are delivered to ash hole by pressure screw ash ejector and discharge, and described pressure screw ash ejector is controlled by motor via reducer.
Described dust block board be shaped as the plane, or Curved and downward-sloping, the angle of dust block board and horizontal plane is 30 ° ~ 45 °.
As a kind of optimization of above technology, the combustor wall in the second gasification chamber is provided with conducting strip.
As a kind of optimization of above technology, the direction of described living beings entrance and combustor wall are tangent.
As a kind of optimization of above technology, the cone cross section of combustor bottom is circle, square or ellipse.
Beneficial effect:
The utility model can make living beings fully burn, and ignition temperature can reach more than 1200 ℃, and efficiency of combustion can reach more than 93%, reduces Air–pollution From Combustion; Enlarge biomass granule fuel and allow particle size range, reduce the broken cost of powdered plants fuel; For the heat utilization of living beings provides new process equipment.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A profile of Fig. 1.
Among the figure: 1, residual air combustion chamber, 2, dust block board, 3, the poultry hot body, 4, the living beings entrance, 5, steam entry, 6, pressure screw ash ejector, 7, ash hole, 8, reductor, 9, motor, 10, conducting strip, 11, second gasification chamber, 12, secondary air inlet, 13, diesel oil igniter entrance, 14, air inlet, 15, gasification combustion chamber, 16, three air inlets, 17, delivery port, 18, spiral coil, 19, water inlet.
The specific embodiment
In order to make realization technological means of the present utility model, creation characteristic, to reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Biomass combustion machine, combustor middle part internal face in the shape of a spiral, the thorax middle part is provided with poultry hot body 3 in the combustor, the combustor upper inside wall is provided with dust block board 2, on the combustor wall, have living beings entrance 4, diesel oil igniter entrance 13 and an air inlet 14 between poultry hot body 3 and the dust block board 2, formation gasification combustion chamber 15 between poultry hot body 3 and dust block board 2; The bottom of combustor is up big and down small cone, and the cone end is provided with ash hole 7, on the combustor wall, poultry hot body 3 below have secondary air inlet 12, steam entry 5, form second gasification chamber 11; On the combustor wall, dust block board 2 above have air inlet 16 three times, form residual air combustion chamber 1 between dust block board 2 and the combustor top.
Combustor wall in second gasification chamber 11 is provided with conducting strip 10.Described conducting strip 10 is made by metals such as iron plates, and the combustor lower inner wall is heated evenly, and guarantees the operating temperature of second gasification chamber 11.
Described dust block board 2 be shaped as the plane, or Curved and downward-sloping, dust block board 2 is 30 ° ~ 45 ° with the angle of horizontal plane.
The direction of living beings entrance 4 is best and the combustor wall is tangent, and this structure can be increased in the time of staying of high-temperature region, so that powder fully gasifies and burns.
Described ash hole 7 tops are provided with pressure screw ash ejector 6, and ashes are delivered to ash hole 7 by pressure screw ash ejector 6 and discharge, and described pressure screw ash ejector 6 is controlled by reductor 8 by motor 9.
Ashes are deposited on second gasification chamber 11, wherein contain unburnt residual combustible, take residual fixed carbon as main.Steam entry 5 and secondary air inlet 12 can be 2 ~ 6, and its cross sectional shape can be Z-shaped.Water vapour sprays into to second gasification chamber 11 by steam entry 5, is used for generating water-gas.Air blasts second gasification chamber 11 by secondary air inlet 12.The ashes waste heat impels residual fixed carbon and steam reaction to generate H
2And CO, the combustion gas H of second gasification
2Rising to gasification combustion chamber 15 with CO burns away.
1, three air inlet 16 can be 2 ~ 6 in the residual air combustion chamber, and its cross sectional shape can be Z-shaped.Unburned combustible gas of gas combustion stage and the air burning that blasts from three air inlets 16, combustion tail gas can be recycled waste heat by waste-heat recoverer, again by entering atmosphere after the deduster dedusting.
Combustor wall in residual air combustion chamber 1 and gasification combustion chamber 15 is provided with spiral coil 18, and described spiral coil 18 is provided with delivery port 17 and water inlet 19, in order to further utilize the heat in the combustor.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. biomass combustion machine, it is characterized in that: combustor middle part internal face in the shape of a spiral, the thorax middle part is provided with the poultry hot body in the combustor, the combustor upper inside wall is provided with dust block board, on the combustor wall, have living beings entrance, diesel oil igniter entrance and an air inlet between poultry hot body and the dust block board, between poultry hot body and dust block board, form gasification combustion chamber; The bottom of combustor is up big and down small cone, and the cone end is provided with ash hole, on the combustor wall, the poultry hot body below have secondary air inlet, steam entry, form the second gasification chamber; On the combustor wall, dust block board above have air inlet three times, form the residual air combustion chamber between dust block board and the combustor top, be provided with spiral coil at the combustor wall of residual air combustion chamber and gasification combustion chamber.
2. biomass combustion machine according to claim 1 is characterized in that: described ash hole top is provided with pressure screw ash ejector, and described pressure screw ash ejector is controlled by motor via reducer.
3. biomass combustion machine according to claim 1 is characterized in that: described dust block board be shaped as the plane, or Curved and downward-sloping, the angle of dust block board and horizontal plane is 30 ° ~ 45 °.
4. biomass combustion machine according to claim 1, it is characterized in that: the combustor wall in the second gasification chamber is provided with conducting strip.
5. biomass combustion machine according to claim 1, it is characterized in that: the direction of described living beings entrance and combustor wall are tangent.
6. biomass combustion machine according to claim 1 is characterized in that: the cone cross section of combustor bottom is circular, square or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448658 CN202791987U (en) | 2012-09-05 | 2012-09-05 | Biomass combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448658 CN202791987U (en) | 2012-09-05 | 2012-09-05 | Biomass combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791987U true CN202791987U (en) | 2013-03-13 |
Family
ID=47819243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220448658 Expired - Fee Related CN202791987U (en) | 2012-09-05 | 2012-09-05 | Biomass combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654037A (en) * | 2021-08-20 | 2021-11-16 | 华冠特种设备(江苏)有限公司 | Horizontal internal combustion wet-back type boiler shell boiler and working method thereof |
-
2012
- 2012-09-05 CN CN 201220448658 patent/CN202791987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654037A (en) * | 2021-08-20 | 2021-11-16 | 华冠特种设备(江苏)有限公司 | Horizontal internal combustion wet-back type boiler shell boiler and working method thereof |
| CN113654037B (en) * | 2021-08-20 | 2023-12-12 | 江柴发动机徐州有限公司 | Horizontal internal combustion wet-back type boiler shell boiler and working method thereof |
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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: 20130313 Termination date: 20130905 |