CN205783750U - A kind of return-air type energy saving biomass boiler with oxygenating structure - Google Patents
A kind of return-air type energy saving biomass boiler with oxygenating structure Download PDFInfo
- Publication number
- CN205783750U CN205783750U CN201620639968.3U CN201620639968U CN205783750U CN 205783750 U CN205783750 U CN 205783750U CN 201620639968 U CN201620639968 U CN 201620639968U CN 205783750 U CN205783750 U CN 205783750U
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- China
- Prior art keywords
- shell body
- feeding
- fire grate
- return
- air channel
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
nullThe utility model discloses a kind of return-air type energy saving biomass boiler with oxygenating structure，Oxygen system is entered including shell body and secondary，Shell body is internally provided with water tank，Water tank is fixed on inside shell body by the bracing frame being arranged within shell body，Fire grate it is provided with bottom water tank，Fire grate is interspersed with two feeding arms，Two feeding arms are connected with the feeding supervisor being positioned at below fire grate，Feeding supervisor be connected with the aerator being positioned at outside shell body，Feeding supervisor is positioned on the segment section outside shell body and is also associated with fuel tank，Fuel tank is provided with the first valve with feeding supervisor junction，Described secondary enters oxygen system and includes oxygenerator、Air accumulator、Ajutage and secondary air channel，Secondary air channel is installed to above fire grate，Some air inlets are set on secondary air channel，Secondary air channel by ajutage successively with air accumulator、Oxygenerator connects；This utility model improves the efficiency of combustion of boiler, decreases because of insufficient pollution caused and the wasting of resources of burning.
Description
Technical field
This utility model relates to biomass boiler technical field, a kind of energy-conservation life of return-air type with oxygenating structure
Material boiler.
Background technology
Biomass energy is a kind of regenerative resource, and in recent years, country greatly develops biomass energy, and China is that agricultural is big
State, Biomass Energy Resources is the abundantest.Owing to China utilizes the starting ratio of biomass energy later, in the process of biomass fuel
Above there is many technical barriers with utilizing, constrain the development of biomass technology.Current boiler typically all has one and enters
Material mouth, easily makes fuel pile up when disposable charging is more, causes burning insufficient, but can not expire again when feeding less
The needs of foot boiler heat, owing to light specific gravity, the granule of biomass (rice husk, Pericarppium arachidis hypogaeae, straw, sawdust ash etc.) are uniform, loose,
So needing special pay-off to make fuel conveying the most smooth and easy.
To this end, Chinese patent CN205174332U discloses a kind of energy-conserving and environment-protective biomass pot with multiple pay-off
Stove, including shell body, shell body is internally provided with kettle, and kettle is fixed on shell body by the bracing frame being arranged within shell body
Inside, is provided with fire grate bottom kettle, be interspersed with two feeding arms in fire grate, two feeding arms be positioned at sending below fire grate
Material supervisor connect, and feeding supervisor be connected with the aerator being positioned at outside shell body, and feeding supervisor is positioned at the part outside shell body
Fuel tank it is also associated with on Duan；Being provided with spiral ash hoist bottom shell body, spiral ash hoist is by the driving means outside shell body
Drive.Biomass fuel is sufficiently scattered and can be fully burned by this, and the utilization rate of biomass fuel is high, additionally, cigarette
The heat contained in gas also can be fully utilized, and meets energy-conservation requirement；But in actual application, this practicality
Novel will fully burning after flue gas easily lead to the oxygen in air inlet not by the way that return duct is incorporated in inlet manifold
Foot and cause the problem that burning is insufficient in body of heater, need to improve.
Utility model content
The purpose of this utility model is to provide a kind of return-air type energy saving biomass boiler with oxygenating structure, to solve
The problem proposed in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of return-air type energy saving biomass boiler with oxygenating structure, enters oxygen system, shell including shell body and secondary
Body is internally provided with water tank, and water tank is fixed on inside shell body by the bracing frame being arranged within shell body, at the bottom of water tank
Portion is provided with fire grate, is interspersed with two feeding arms in fire grate, and two feeding arms are connected with the feeding supervisor being positioned at below fire grate,
Feeding supervisor be connected with the aerator being positioned at outside shell body, and feeding supervisor is positioned on the segment section outside shell body and is also associated with
Fuel tank, fuel tank is provided with the first valve with feeding supervisor junction, and described secondary enters oxygen system and includes oxygenerator, gas storage
Tank, ajutage and secondary air channel, secondary air channel is installed to above fire grate, and secondary air channel arranges some air inlets, secondary air channel
Connected with air accumulator, oxygenerator successively by ajutage；Being provided with spiral ash hoist bottom shell body, spiral ash hoist is by shell body
Outside driving means drives；Shell body top is provided with charging aperture, and shell body top is provided with smoke pipeline, at smoke pipeline with outer
The junction of housing is additionally provided with dust and intercepts net, and smoke pipeline be connected with shell body a section is rustless steel pipeline section, stainless at this
The outer end of lengths of steel pipes is set with an outer tube, and outer tube is provided with cavity with stainless steel tube is intersegmental, is provided with spiral duct in this cavity,
Spiral duct one end is connected with the blast pipe being arranged on outer tube wall, and the other end is by the first air inlet of return duct with aerator
End connection, the outlet side of aerator connects with feeding supervisor.
As this utility model further technical scheme, ajutage is provided with regulation valve.
As this utility model further technical scheme, water tank top is provided with water inlet pipe, and bottom is provided with outlet pipe.
As this utility model further technical scheme, aerator is provided with the second inlet end, and enters second
The second valve it is provided with on gas end.
Compared with prior art, during work of the present utility model: distinguished and admirable by the biomass fuel entered from charging aperture and from
Biomass fuel from feeding arm dispels so that biomass fuel combustion is more abundant, meanwhile, according to inlet amount control
Secondary processed enters oxygen system to fill into oxygen, auxiliary combustion, improves the burning degree of fuel further；Flue gas flows from shell body top
Go out, dust intercept net intercept in the dust in flue gas, the heat in high-temperature flue gas through rustless steel pipeline section to spiral duct
In new air preheat, the air after preheating through aerator pass back into feeding supervisor in, reduce heat energy loss, improve boiler
Integrated heat efficiency, it is to avoid occurring in that the oxygen-deficient situation of reflux airflow, in sum, this utility model improves the combustion of boiler
Burn efficiency, decrease because of insufficient pollution caused and the wasting of resources of burning.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of return-air type energy saving biomass boiler with oxygenating structure of this utility model.
In figure: 1-smoke pipeline, 2-blast pipe, 3-outer tube, 4-spiral duct, 5-return duct, 6-dust intercepts net, and 7-props up
Support, 8-ajutage, 9-regulates valve, 10-water inlet pipe, 11-outlet pipe, 12-fire grate, and 13-feeding is responsible for, 14-driving means,
15-spiral ash hoist, 16-fuel tank, 17-outlet side, 18-aerator, 19-the second inlet end, 20-air accumulator, 21-oxygen
Machine, 22-secondary air channel.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Refer to Fig. 1, a kind of return-air type energy saving biomass boiler with oxygenating structure, enter oxygen including shell body and secondary
System, shell body is internally provided with water tank, and water tank is fixed in shell body by the bracing frame 7 being arranged within shell body
Portion, is provided with fire grate 12 bottom water tank, be interspersed with two feeding arms in fire grate 12, two feeding arms be positioned at fire grate 12 times
Feeding supervisor 13 connection of side, feeding supervisor 13 is connected with the aerator 18 being positioned at outside shell body, outside feeding supervisor 13 is positioned at
Being also associated with fuel tank 16 on the segment section of hull outside, fuel tank 16 and feeding are responsible for 13 junctions and are provided with the first valve, institute
The secondary stated enters oxygen system and includes oxygenerator 21, air accumulator 20, ajutage 8 and secondary air channel 22, and secondary air channel 22 is installed to stove
Above row 12, secondary air channel 22 arranges some air inlets, secondary air channel 22 by ajutage 7 successively with air accumulator 20, oxygen processed
Machine 21 connects, and ajutage 8 is provided with regulation valve 9.
Being provided with spiral ash hoist 15 bottom shell body, spiral ash hoist 15 is driven by the driving means 14 outside shell body；
Shell body top is provided with charging aperture 7, and shell body top is provided with smoke pipeline 1, also sets in the junction of smoke pipeline 1 with shell body
Having dust to intercept net 6, smoke pipeline 1 is connected with shell body a section is rustless steel pipeline section, at the outer end of this rustless steel pipeline section set
Filling an outer tube 3, outer tube 3 is provided with cavity with stainless steel tube is intersegmental, is provided with spiral duct 4, spiral duct 4 one in this cavity
End is connected with the blast pipe 2 being arranged on outer tube 3 sidewall, and the other end is connected by the first inlet end of return duct 5 with aerator 18
Logical, the outlet side 17 of aerator 18 connects with feeding supervisor 13, and aerator 18 is additionally provided with the second inlet end 19, and second
The second valve it is provided with on inlet end.
In a kind of preferred embodiment of the present utility model, oxygenerator 21 uses membrane type or negative-pressure adsorption oxygen.
Water tank top is provided with water inlet pipe 10, is provided with outlet pipe 11 bottom water tank.
During work of the present utility model: first biomass fuel is added at charging aperture 7, outside biomass fuel enters into
After in housing, igniting starts burning, then turns on the first valve, and aerator 13 is started working air-supply, due to biomass (rice husk, flower
Raw shell, straw, sawdust ash etc.) light specific gravity of fuel, granule be uniform, loose, by fuel from feeding under distinguished and admirable pressure effect
Arm is blown in shell body, distinguished and admirable by the biomass fuel entered from charging aperture 7 with from the biomass fuel from feeding arm
Material dispels so that biomass fuel combustion is more abundant, meanwhile, enters oxygen system according to inlet amount control secondary and fills into oxygen
Gas, auxiliary combustion, improves the burning degree of fuel further；
Flue gas flows out from shell body top, and dust intercepts net 6 and intercepts in the dust in flue gas, in high-temperature flue gas
Heat passes back into feeding supervisor to the new air preheat in spiral duct, the air after preheating through aerator through rustless steel pipeline section
In, reduce heat energy loss, improve the integrated heat efficiency of boiler.
After ashes enter into bottom shell body, export through spiral ash hoist 15.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art is possessed, it is also possible on the premise of without departing from this patent objective
Various changes can be made.
Claims (4)
1. a return-air type energy saving biomass boiler with oxygenating structure, it is characterised in that include that shell body and secondary enter oxygen
System, shell body is internally provided with water tank, and water tank is fixed on inside shell body by the bracing frame being arranged within shell body,
It is provided with fire grate bottom water tank, fire grate is interspersed with two feeding arms, two feeding arms and the feeding being positioned at below fire grate
Supervisor connects, and feeding supervisor be connected with the aerator being positioned at outside shell body, and feeding supervisor is positioned at the segment section outside shell body
On be also associated with fuel tank, fuel tank is provided with the first valve with feeding supervisor junction, and described secondary enters oxygen system and includes system
Oxygen machine, air accumulator, ajutage and secondary air channel, secondary air channel is installed to above fire grate, and secondary air channel arranges some air inlets,
Secondary air channel is connected with air accumulator, oxygenerator successively by ajutage；Spiral ash hoist, spiral ash hoist it is provided with bottom shell body
Driven by the driving means outside shell body；Shell body top is provided with charging aperture, and shell body top is provided with smoke pipeline, in smoke
The junction of pipeline and shell body is additionally provided with dust and intercepts net, and be connected with shell body one section of smoke pipeline is rustless steel pipeline section,
Be set with an outer tube in the outer end of this rustless steel pipeline section, outer tube is provided with cavity with stainless steel tube is intersegmental, is provided with in this cavity
Spiral duct, spiral duct one end is connected with the blast pipe being arranged on outer tube wall, and the other end passes through return duct and aerator
The first inlet end connection, the outlet side of aerator and feeding are responsible for and are connected.
A kind of return-air type energy saving biomass boiler with oxygenating structure the most according to claim 1, it is characterised in that send
Airduct is provided with regulation valve.
A kind of return-air type energy saving biomass boiler with oxygenating structure the most according to claim 1, it is characterised in that store
Water pot top is provided with water inlet pipe, and bottom is provided with outlet pipe.
A kind of return-air type energy saving biomass boiler with oxygenating structure the most according to claim 1, it is characterised in that drum
Blower fan is provided with the second inlet end, and is provided with the second valve on the second inlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639968.3U CN205783750U (en) | 2016-06-23 | 2016-06-23 | A kind of return-air type energy saving biomass boiler with oxygenating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639968.3U CN205783750U (en) | 2016-06-23 | 2016-06-23 | A kind of return-air type energy saving biomass boiler with oxygenating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205783750U true CN205783750U (en) | 2016-12-07 |
Family
ID=58130507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620639968.3U Expired - Fee Related CN205783750U (en) | 2016-06-23 | 2016-06-23 | A kind of return-air type energy saving biomass boiler with oxygenating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205783750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940445A (en) * | 2017-10-09 | 2018-04-20 | 利辛县逸安新能源有限公司 | A kind of stalk high-efficiency combustion furnace |
-
2016
- 2016-06-23 CN CN201620639968.3U patent/CN205783750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940445A (en) * | 2017-10-09 | 2018-04-20 | 利辛县逸安新能源有限公司 | A kind of stalk high-efficiency combustion furnace |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170623 |