CN206929766U - A kind of biomass incinerator - Google Patents
A kind of biomass incinerator Download PDFInfo
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- CN206929766U CN206929766U CN201720787518.3U CN201720787518U CN206929766U CN 206929766 U CN206929766 U CN 206929766U CN 201720787518 U CN201720787518 U CN 201720787518U CN 206929766 U CN206929766 U CN 206929766U
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- fire grate
- biomass
- incinerator
- grate
- drop structure
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Abstract
The utility model provides a kind of biomass incinerator, and it includes:First fire grate and the second fire grate, the position of first fire grate are higher than the position of second fire grate;Drop structure, the drop structure is between first fire grate and second fire grate.According to biomass incinerator provided by the utility model, including position height different the first fire grate and the second fire grate, and the drop structure between first fire grate and second fire grate, during biomass combustion, the drop structure adds the disturbance to biomass caking and lime-ash, make the biomass cake broke to be formed and fully burn, so as to reduce carbon content in the bottom ash, biomass burn-off rate is improved, further increases the integrated heat efficiency and economic benefit of biomass power plant.
Description
Technical field
Incinerator field is the utility model is related to, specifically, the utility model is related to a kind of biomass incinerator.
Background technology
In recent years, biomass energy is increasingly taken seriously as a kind of renewable resource, and biomass direct combustion power generation technology is
Using an effective way of biomass energy, biomass energy can be converted into using heat energy and electricity by biomass direct combustion power generation factory
Can, avoid the outdoor directly burning of biomass from causing atmosphere pollution.Biomass electric power plant incinerator mainly has at present:Water-cooling vibration stove
Row, fluidized-bed combustion boiler and water-cooling reciprocation stove grate.Due to conventional water-cooling vibration furnace grate will can not lump it is shatter, so as to cause in caking
Portion's burning is insufficient, and carbon content in the bottom ash is high;Fluidized-bed combustion boiler requires higher to fuel size, need during operation to add bed so as to
Cause boiler heating surface serious wear and power consumption is big, and fluidized-bed combustion boiler year run time is not so good as water-cooled grate run time
Long, biomass electric power plant incinerator mainly uses water-cooling reciprocation stove grate at present.
In the biomass incinerator using water-cooling reciprocation stove grate, fire grate is biological combustion process charging and the load promoted
Body.Fire grate is divided into fixed grate film and slides fire grate segment, and biomass fuel burns on fire grate, by sliding coming and going for fire grate segment
Motion pushes the biomass of burning to after-flame section and slag notch.The characteristics of biomass combustion is " easily lighting, fire retardant most ", in biology
In the actual burning process of matter, hardened, caking phenomenon easily occurs in combustion for biomass so that the efficiency of combustion of incinerator
Reduce, burning time increases.The biomass caking or lime-ash accumulated on fire grate can even block the gap between fire grate segment, make stove
Row breaks down.
Therefore, it is necessary to a kind of new biomass incinerator is proposed, to solve the above problems.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.Utility model content part of the present utility model is not meant to attempt to limit claimed
Technical scheme key feature and essential features, do not mean that the guarantor for attempting to determine technical scheme claimed more
Protect scope.
The utility model provides a kind of biomass incinerator, including:
First fire grate and the second fire grate, the position of first fire grate are higher than the position of second fire grate;
Drop structure, the drop structure is between first fire grate and second fire grate.
Further, the drop structure includes the coupling part that is connected with first fire grate and to second stove
The drop part of direction bending is arranged, wherein the coupling part connects as one with the drop part.
Further, the angle between the coupling part and the fall-part divide is 60 ° -120 °.
Further, the drop structure is arranged at the after-flame section of the biomass incinerator.
Further, the biomass incinerator includes one or more drop structures.
Further, first fire grate and second fire grate include water-cooling reciprocation stove grate.
Further, the water-cooling reciprocation stove grate includes fixed grate film and slides fire grate segment.
Further, the coupling part is connected by connection member with first fire grate.
Further, the connection member includes connecting bolt.
Further, the material of the drop structure is exotic material.
According to biomass incinerator provided by the utility model, including the first fire grate and the second stove that position height is different
Row, and the drop structure between first fire grate and second fire grate, during biomass combustion, it is described fall
Poor structure adds the disturbance to biomass caking and lime-ash, makes the biomass cake broke to be formed and fully burns, so as to drop
Low carbon content in the bottom ash, improves biomass burn-off rate, further increases the integrated heat efficiency and economy of biomass power plant
Benefit.
Brief description of the drawings
Drawings below of the present utility model is used to understand the utility model in this as a part of the present utility model.Accompanying drawing
In show embodiment of the present utility model and its description, for explaining device of the present utility model and principle.In the accompanying drawings,
Fig. 1 is the partial structural diagram of biomass incinerator of the present utility model.
Accompanying drawing identifies
1st, the first fire grate 11, fixed grate film 12, slip fire grate segment
2nd, the second fire grate 3, drop structure 31, coupling part
32nd, drop part 33, connection member 4, slag notch
Embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage the utility model to provide
Solution.It is, however, obvious to a person skilled in the art that the utility model can be without one or more of these thin
Save and be carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step will be proposed in following description, to explain this practicality
The biomass incinerator of new proposition.Obviously, execution of the present utility model is not limited to those skilled in the art and is familiar with
Specific details.Preferred embodiment of the present utility model is described in detail as follows, but in addition to these detailed descriptions, this practicality is new
Type can also have other embodiment.
It should be appreciated that when using term "comprising" and/or " comprising " in this manual, it is indicated described in presence
Feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety,
Step, operation, element, component and/or combinations thereof.
The utility model provides a kind of biomass incinerator, as shown in figure 1, including the first fire grate 1, the second fire grate 2, drop
Structure 3, and slag notch 4.Wherein, the first fire grate 1 includes fixed grate film 11 and slides fire grate segment 12, and drop structure 3 includes
Coupling part 31, drop part 32 and connection member 33.
The utility model provides a kind of biomass incinerator, including the first fire grate 1 and the second fire grate 2, first fire grate 1
Position be higher than second fire grate 2 position.
Exemplarily, the fire grate 2 of the first fire grate 1 and second includes water-cooling reciprocation stove grate.By taking the first fire grate 1 as an example, institute
Water-cooling reciprocation stove grate is stated to be made up of several fixed grate films 11 and several slip fire grate segments 12, wherein, fixed grate film 11
It is identical with the structure for sliding fire grate segment 12, it is respectively at stationary state and slidably state, fixed grate when burning biomass
Piece 11 and slide relative motion between fire grate segment 12 by biomass to the after-flame section of biomass incinerator and slag notch direction not
It is disconnected to promote.In addition, the back side of the fire grate segment is additionally provided with water cooling tube (not shown in FIG. 1), for being carried out to the fire grate
Cooling.Wherein, the back side of the fire grate segment refers to the face corresponding with the supporting surface of fire grate segment support biomass fuel.
Exemplarily, the position of first fire grate 1 is higher than the position of second fire grate 2, i.e. first fire grate 1
There is difference in height between second fire grate 2, when biomass fuel is pushed on the second fire grate 2 from the first fire grate 1, be advantageous to
Hardened clinker crushes when rolling is fallen.
Biomass incinerator provided by the utility model also includes drop structure 3, and the drop structure 3 is located at described first
Between fire grate 1 and second fire grate 2.
Exemplarily, the biomass incinerator it is overall along biomass moving direction can be divided into dryer section, burning zone and
After-flame section, due to there is relative motion between fire grate segment, biomass fuel pushes to the biomass incinerator by feed fire grate
On fire grate, then it is dried, burns and after-flame, discharged by slag notch 4, eventually enters into lime-ash storage hole.In the present embodiment, institute
The after-flame section that drop structure 3 is arranged at the biomass incinerator is stated, specifically, the drop structure 3 is arranged in after-flame section
Between relatively low the second fire grate 2 of the first higher fire grate 1 of position and position.In biomass burning process, biomass is through overdrying
Dry and burning, and hardened, caking phenomenon occurs due to burning insufficient, burned according to biomass provided by the utility model
Stove, drop structure 3 is set in after-flame section, is advantageous to increase disturbance of the after-flame section to biomass caking and lime-ash, by the knot of formation
Block crushes, and broken caking fully burns in after-flame section, so as to reduce the phosphorus content of bottom ash, improves the burn-off rate of biomass.Need
It is noted that the position of the drop structure 3 includes but is not limited to above-mentioned after-flame section, can also need to be set according to production
Any position being placed in the biomass incinerator.
Exemplarily, the drop structure 3 includes the coupling part 31 that is connected with first fire grate 1 and to described
The drop part 32 of the direction of second fire grate 2 bending, wherein the coupling part 31 connects as one with the drop part 32, and
Angle between the coupling part 31 and the drop part 32 is 60 ° -120 °.In the present embodiment, the drop structure 3
It is inShape, wherein, in the horizontal direction, the drop part 32 is vertically for the coupling part 31.
Exemplarily, the coupling part 31 is connected by connection member 33 with first fire grate 1, the connecting portion
Part 33 is connecting bolt.In the present embodiment, the coupling part 31 is connected with the slip fire grate segment 12 of first fire grate 1
Connect, be connected using by drop structure 3 with sliding fire grate segment 12, can strengthen to the biomass caking and ash at drop structure 3
The disturbance of slag, be advantageous to caking rolling, so it is broken.In addition, the height of the drop part 32 includes any height, specifically
Ground, it can be selected according to the needs of produce reality, in the present embodiment, the highly preferred 40cm of the drop part 32.
The drop part 32 has barrier effect, to prevent that biomass from luming and lime-ash is between the first fire grate 1 and the second fire grate 2
Gap location drop, be deposited on biomass incinerator bottom.Because the temperature in biomass incinerator is higher, the drop structure
3 materials selected are exotic material.
As an example, biomass fuel due to fixed grate film 11 and slides on the fire grate of biomass incinerator
Relative motion between fire grate segment 12, biomass fuel is promoted to pass through dryer section and burning zone, into after-flame section.In after-flame section,
Fire grate continue to press on biomass fuel caking and lime-ash advance, at drop structure 3, it is described caking from position it is higher first
Dropped on fire grate 1 on the second relatively low fire grate 2 of position, fragmentation of luming, the caking of fragmentation further burns in after-flame section, is formed
Lime-ash, biomass incinerator is discharged by slag notch 4.
According to biomass incinerator provided by the utility model, including the first fire grate and the second stove that position height is different
Row, and the drop structure between first fire grate and second fire grate, during biomass combustion, it is described fall
Poor structure adds the disturbance to biomass caking and lime-ash, makes the biomass cake broke to be formed and fully burns, so as to drop
Low carbon content in the bottom ash, improves biomass burn-off rate, further increases the integrated heat efficiency and economy of biomass power plant
Benefit.
The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
For the purpose illustrated and illustrated, and it is not intended to the utility model being limited in described scope of embodiments.In addition ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, according to teaching of the present utility model also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model scope claimed with
It is interior.The scope of protection of the utility model is defined by the appended claims and its equivalent scope.
Claims (10)
- A kind of 1. biomass incinerator, it is characterised in that including:First fire grate and the second fire grate, the position of first fire grate are higher than the position of second fire grate;Drop structure, the drop structure is between first fire grate and second fire grate.
- 2. biomass incinerator as claimed in claim 1, it is characterised in that the drop structure includes and first fire grate The coupling part that is connected and the drop part bent to the second fire grate direction, wherein the coupling part with it is described fall Poor part connects as one.
- 3. biomass incinerator as claimed in claim 2, it is characterised in that between the coupling part and the fall-part point Angle be 60 ° -120 °.
- 4. biomass incinerator as claimed in claim 1, it is characterised in that the drop structure is arranged at the biomass and burnt Burn the after-flame section of stove.
- 5. biomass incinerator as claimed in claim 1, it is characterised in that the biomass incinerator includes one or more The drop structure.
- 6. biomass incinerator as claimed in claim 1, it is characterised in that first fire grate and second fire grate include Water-cooling reciprocation stove grate.
- 7. biomass incinerator as claimed in claim 6, it is characterised in that the water-cooling reciprocation stove grate includes fixed grate film With slip fire grate segment.
- 8. biomass incinerator as claimed in claim 2, it is characterised in that the coupling part by connection member with it is described First fire grate is connected.
- 9. biomass incinerator as claimed in claim 8, it is characterised in that the connection member includes connecting bolt.
- 10. biomass incinerator as claimed in claim 1, it is characterised in that the material of the drop structure is high temperature resistant material Material.
Priority Applications (1)
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CN201720787518.3U CN206929766U (en) | 2017-06-30 | 2017-06-30 | A kind of biomass incinerator |
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CN201720787518.3U CN206929766U (en) | 2017-06-30 | 2017-06-30 | A kind of biomass incinerator |
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CN206929766U true CN206929766U (en) | 2018-01-26 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109539240A (en) * | 2018-10-26 | 2019-03-29 | 冯之军 | A kind of non-forming biomass combustion device |
CN111043602A (en) * | 2018-10-11 | 2020-04-21 | 三菱重工环境·化学工程株式会社 | Mechanical grate furnace |
-
2017
- 2017-06-30 CN CN201720787518.3U patent/CN206929766U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111043602A (en) * | 2018-10-11 | 2020-04-21 | 三菱重工环境·化学工程株式会社 | Mechanical grate furnace |
CN109539240A (en) * | 2018-10-26 | 2019-03-29 | 冯之军 | A kind of non-forming biomass combustion device |
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