CN209113823U - Sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass - Google Patents
Sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass Download PDFInfo
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- CN209113823U CN209113823U CN201821689053.9U CN201821689053U CN209113823U CN 209113823 U CN209113823 U CN 209113823U CN 201821689053 U CN201821689053 U CN 201821689053U CN 209113823 U CN209113823 U CN 209113823U
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Abstract
The utility model discloses a kind of sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass, including Ash water spiral arranged at the bottom, air hose area is equipped with above the Ash water spiral, close phase combustion zone is equipped with above the air hose area, air distribution plate is equipped in the close phase combustion zone, igniter is additionally provided on the close phase combustion zone inner wall, wet mud import and biomass inlet are additionally provided on the close phase combustion zone, it is equipped with dry section above the close phase combustion zone, gasification outlet is additionally provided on the dry section.Its air distribution plate is taper cloth wind, and lower part air compartment according to the specific determination of upper taper cloth wind to air quantity, taper cloth wind makes bed material during combustion gasification, convolution in being formed, it is greatly improved the utilization rate of bed body gasification efficiency and fuel, realize the more thorough gasification of fuel, final carbon residue is can be controlled within 5% in lime-ash.It uses automatic steam control temperature, can effective guarantee furnace body long-time stable do not occur slagging phenomenon, preferably realize gasification furnace stable operation.
Description
Technical field
It is cooperation-gasified in particular to a kind of sludge and biomass the utility model relates to environmental protection, Thermal Power Engineering technical field
Fluidized-bed gasification furnace.
Background technique
Sludge is the product after sewage treatment, and not only water content is high, perishable, has strong odor, and contain a large amount of diseases
The heavy metals such as opportunistic pathogen, parasitic ovum and chromium, mercury and dioxin etc. are difficult to the poisonous and harmful and carcinogen degraded.Sludge without
Processing is arbitrarily stacked, and is acted on by the erosion of rainwater and leakage, is easily caused secondary pollution to underground water, soil etc., is directly endangered
Evil human health.Pyrolyzing sludge reaction environment is anaerobic or anoxic, NOx、SOxWith the discharge of the pollutants such as heavy metal
Well below the discharge amount in burning process, can get carbide, tar and combustion gas from being pyrolyzed, their calorific values with higher and
Utility value.It is burned compared to traditional drying, there are the lower cleaning disposal options of pollutant discharge amount, compared to anaerobism and compost etc.
Technique occupied area is small, disposition is thorough, is the important development direction for solving sludge problem.
Currently, for the organic solid waste in city, it is more common in indirect type heating method, needs the external energy or the external energy of supplement
It is more, and directly combustion gasification engineer application is less, and current solid waste gasification technology, mostly from coal gasification, equipment is organic
There are more problems for the cooperation-gasified aspect of solid waste, especially biomass and sludge.
Direct-type equipment for gasification common are the types such as fixed bed, bubbling fluidized bed, recirculating fluidized bed.Fixed bed is due to bed
Layer is fixed, and the intensity of gasification is lower, and single device power output is limited, and fixed bed is generally adapted to the blocky or biggish combustion of partial size
Material；And fluidized bed reacts extremely violent since combustion gasification process is in fluidized state, requires height to the control of temperature, one is disconnected
Temperature excessively high the problem of will result in bed material slagging, dead bed.Gasification technology disposes organic solid waste, especially Sewage as cleaning
Mud yet there are no engineering application at home, therefore, organic solid waste is carried out pyrolytic gasification utilization, realizes that disposal of resources is city
City's Sludge Disposal Techniques develop an important directions.
Summary of the invention
It is fast, good appearance that the purpose of this utility model seeks to provide a kind of ecological, environmental protective, construction is simple, speed of application
Ecological slope protection structure.
To achieve the above object, a kind of sludge and the cooperation-gasified fluidized gasification of biomass designed by the utility model
Furnace, including Ash water spiral arranged at the bottom, the Ash water spiral top are equipped with air hose area, the air hose area top
Equipped with close phase combustion zone, it is equipped with air distribution plate in the close phase combustion zone, is additionally provided with igniter on the close phase combustion zone inner wall,
It is additionally provided with wet mud import and biomass inlet on the close phase combustion zone, is equipped with dry section, institute above the close phase combustion zone
It states and is additionally provided with gasification outlet on dry section.
Further, air hose is equipped in the air hose area, the air hose bottom end is connected to Ash water spiral, the air hose
Top is equipped with air compartment, connect at the top of the air compartment with air distribution plate, and the air hose periphery is equipped with slagging channel.
Further, it is equipped with dilute-phase zone above the close phase combustion zone, the dilute-phase zone inner circumferential is equipped with wide at the top and narrow at the bottom
Deflector, the dilute-phase zone top are connected to dry section.
Further, steam injection pipe is additionally provided on the close phase combustion zone.
Further, desorption tube is equipped at the top of the dry section.
Further, the air distribution plate includes the blast cap plate being made of multiple sectors, on each fan-shaped blast cap plate
Even to be disposed with blast cap, the blast cap bottom is provided with wind dish.
As preference, spacing is 5~10mm between the air distribution plate periphery and furnace body, and the air inlet wind speed of the air distribution plate is
15~20m/s.
As preference, the deflector degree of shrinkage of the dilute-phase zone is 30~50%.
As preference, the Ash water spiral, air hose area, close phase combustion zone, dry section, dilute-phase zone total height be
12~20m, the diameter of close phase combustion zone are 2.4~5m.
Utility model has the advantages that
1, gasification furnace air distribution plate is taper cloth wind, and lower part air compartment according to the specific determination of upper taper cloth wind to air quantity, cone
Shape cloth wind makes bed material during combustion gasification, forms interior convolution, is greatly improved the utilization rate of bed body gasification efficiency and fuel,
Realize the more thorough gasification of fuel, final carbon residue is can be controlled within 5% in lime-ash.
2, furnace body combustion gasification area uses automatic steam control temperature, can effective guarantee furnace body long-time stable not occur slagging existing
As preferably realizing gasification furnace stable operation.
3, superheated steam temperature control, which can further improve gasification and produce, is so incensed that rate, keeps generated fuel gases calorific value higher.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is air distributor structure schematic diagram；
Fig. 3 is wind dish structural schematic diagram；
Fig. 4 is cap structure schematic diagram；
Fig. 5 is wind butterfly and the blast cap arrangement schematic diagram on air distribution plate.
In figure: Ash water spiral 1, air hose area 2 (wherein: air hose 2.1, air compartment 2.2, slagging channel 2.3), the burning of close phase
Area 3 is (wherein: air distribution plate 3.1,3.1a, blast cap plate blast cap 3.1b, wind dish 3.1c, igniter 3.2, wet mud import 3.3, life
Matter inlet 3.4, steam injection pipe 3.5), dry section 4 (wherein: gasification outlet 4.1, desorption tube 4.2), 5 (deflector of dilute-phase zone
5.1)。
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments:
A kind of sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass as shown in Fig. 1~5, including it is arranged at the bottom
Ash water spiral 1 is equipped with air hose area 2 above the Ash water spiral 1, is equipped with close phase combustion zone above the air hose area 2
3, the close phase combustion zone 3 is interior to be equipped with air distribution plate 3.1, is additionally provided with igniter 3.2 on close 3 inner wall of phase combustion zone, described
It is additionally provided with wet mud import 3.3 and biomass inlet 3.4 on close phase combustion zone 3, is equipped with dry section above the close phase combustion zone 3
4, gasification outlet 4.1 is additionally provided on the dry section 4.Air hose 2.1,2.1 bottom end of air hose and ash are equipped in the air hose area 2
Slag conveyor screw 1 is connected to, and 2.1 top of air hose is equipped with air compartment 2.2, and 2.2 top of air compartment is connect with air distribution plate 3.1, institute
2.1 periphery of air hose is stated equipped with slagging channel 2.3.Dilute-phase zone 5 is equipped with above the close phase combustion zone 3,5 inner circumferential of dilute-phase zone is set
There is deflector 5.1 wide at the top and narrow at the bottom, 5 top of dilute-phase zone is connected to dry section 4.Steaming is additionally provided on the close phase combustion zone 3
Vapour injection pipe 3.5.Desorption tube 4.2 is equipped at the top of the dry section 4.The air distribution plate 3.1 includes the wind being made of multiple sectors
It is evenly arranged blast cap 3.1b on cap plate 3.1a, each fan-shaped blast cap plate 3.1a, the bottom the blast cap 3.1b is provided with wind
Dish 3.1c.
In the present embodiment, spacing is 10mm, the air inlet of the air distribution plate 3.1 between 3.1 periphery of air distribution plate and furnace body
Wind speed is 20m/s.5.1 degree of shrinkage of deflector of the dilute-phase zone 5 is 50%.The Ash water spiral 1, air hose area 2, close phase
Combustion zone 3, dry section 4, dilute-phase zone 5 total height be 20m, the diameter of close phase combustion zone 3 is 5m.
The utility model is in actual use:
A kind of sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass as shown in Fig. 1~5, including to biomass with
Sludge accumulation with burn close phase combustion zone 3, the steam injection pipe 3.5 to control 3 temperature of combustion zone, to collect burning after
The slagging channel 2.3 of product, the dilute-phase zone 5 to gasify altogether to biomass and sludge, be dried to the output gas that gasifies it is dry
Dry area 4, to sewage sludge feed wet mud import 3.3, to biomass charging biomass inlet 3.4, in furnace for combustion
Air duct 2.1, to lime-ash outlet collect Ash water spiral 1, to phase close in furnace combustion zone 3 formed whirlwind cloth
Aerofoil 3.1 exports 4.1, to point to the dynamic deflector 5.1 of biomass sludge gasification stream, to the gasification for gas discharge of gasifying
The combustion-supporting igniter 3.2 of fire, the release for carrying out smoke evacuation when starting, stopping or emergency stop to gasification furnace or diffusing safely
Pipe 4.2, the mixed allocation to fluidized wind, the air compartment 2.2 for making 3.1 upper air volume of air distribution plate be evenly distributed.
Gasification furnace enters air compartment 2.2 from air duct 2.1, completes the mixed allocation of fluidized wind by blower air blast, leads to
The cloth wind effect for crossing air distribution plate 3.1, into gasification furnace.
Gasification furnace it is gas-solid in reverse flow, biomass and wet mud from biomass inlet 3.4, with wet mud import 3.3
After addition, the thermal current being raised is dry and excludes vapor, and the sludge dried is raised air-flow in 5 expanding reach of dilute-phase zone
Heat resolve releases volatile matter, and biomass rises with the gas after gasifying in sludge in close phase combustion zone 3, remaining biomass
With sludge in close 3 air oxidation of phase combustion zone, the calory burning of releasing provides heat source for entire gasification.Biogas is by leading
By entering subsequent workshop section by gasification outlet 4.1 after the drying of dry section 4, combustion product is entered flowing plate 5.1 by slagging channel 2.3
Ash water spiral 1 is discharged.
In the present embodiment, to gasification furnace starting, stop when can open top part desorption tube 4.2 discharge fume.In-furnace temperature
The excessively high ash fusion point more than fuel and cause bed slagging that can cool down by steam injection pipe 3.5 and control close 3 temperature of phase combustion zone.
Burner hearth is circular structure, and air distribution plate 3.1 is the polygon of the approximate circle of multiple fan-shaped compositions, and spacing is 10mm between furnace body, favorably
In the whereabouts of lime-ash.3.1 air inlet wind speed of air distribution plate is 20m/s, and gasification furnace height is 20m, and gasification furnace ratio of height to diameter is 5:1.
In the present embodiment, deflector 5.1 is arranged in dilute-phase zone 4, and the degree of shrinkage of deflector 5.1 is 50%, furnace diameter and contraction
Distance is than being 3.
Finally it is pointed out that above embodiments are only the more representational examples of the utility model.Obviously, this is practical new
Type is not limited to the above embodiments, and acceptable there are many deformations.All foundation the technical essence of the utility model are to above embodiments
Any simple modifications, equivalents, and modifications done are considered as belonging to the protection scope of the utility model.
Claims (9)
1. a kind of sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: including lime-ash arranged at the bottom
Conveyor screw (1), Ash water spiral (1) top are equipped with air hose area (2), close Xiang Ran are equipped with above the air hose area (2)
It burns area (3), is equipped with air distribution plate (3.1) in the close phase combustion zone (3), be additionally provided with igniting on close phase combustion zone (3) inner wall
Device (3.2) is additionally provided with wet mud import (3.3) and biomass inlet (3.4), the close phase on the close phase combustion zone (3)
Dry section (4) are equipped with above combustion zone (3), gasification outlet (4.1) is additionally provided on the dry section (4).
2. a kind of sludge according to claim 1 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
It states in air hose area (2) and is equipped with air hose (2.1), air hose (2.1) bottom end is connected to Ash water spiral (1), the air hose
(2.1) top is equipped with air compartment (2.2), connect at the top of the air compartment (2.2) with air distribution plate (3.1), air hose (2.1) periphery is set
There are slagging channel (2.3).
3. a kind of sludge according to claim 2 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
It states and is equipped with dilute-phase zone (5) above close phase combustion zone (3), dilute-phase zone (5) inner circumferential is equipped with deflector (5.1) wide at the top and narrow at the bottom,
Dilute-phase zone (5) top is connected to dry section (4).
4. a kind of sludge according to claim 3 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
It states and is additionally provided with steam injection pipe (3.5) on close phase combustion zone (3).
5. a kind of sludge according to claim 4 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
It states and is equipped with desorption tube (4.2) at the top of dry section (4).
6. a kind of sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass described according to claim 1 ~ any one of 5,
It is characterized by: the air distribution plate (3.1) includes the blast cap plate (3.1a) being made of multiple sectors, each blast cap plate
It has been evenly arranged on (3.1a) blast cap (3.1b), blast cap (3.1b) bottom is provided with wind dish (3.1c).
7. a kind of sludge according to claim 6 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
State air distribution plate (3.1) between periphery and furnace body spacing be 5 ~ 10mm, the air inlet wind speed of the air distribution plate (3.1) is 15 ~ 20m/s.
8. a kind of sludge according to claim 3 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
Deflector (5.1) degree of shrinkage for stating dilute-phase zone (5) is 30 ~ 50%.
9. a kind of sludge according to claim 3 and the cooperation-gasified fluidized-bed gasification furnace of biomass, it is characterised in that: institute
State Ash water spiral (1), air hose area (2), close phase combustion zone (3), dry section (4), dilute-phase zone (5) total height be 12 ~
20m, the diameter of close phase combustion zone (3) are 2.4 ~ 5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689053.9U CN209113823U (en) | 2018-10-18 | 2018-10-18 | Sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689053.9U CN209113823U (en) | 2018-10-18 | 2018-10-18 | Sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass |
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| Publication Number | Publication Date |
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| CN209113823U true CN209113823U (en) | 2019-07-16 |
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ID=67201353
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| CN201821689053.9U Active CN209113823U (en) | 2018-10-18 | 2018-10-18 | Sludge and the cooperation-gasified fluidized-bed gasification furnace of biomass |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111253981A (en) * | 2020-03-02 | 2020-06-09 | 刘跃伟 | Grate system of biomass gasification furnace |
| CN111288438A (en) * | 2020-03-26 | 2020-06-16 | 江苏大学 | Fluidized bed combustion furnace and combustion method |
| CN112358155A (en) * | 2020-11-05 | 2021-02-12 | 北京一亚高科能源科技有限公司 | Sludge drying, gasifying and incinerating system and method thereof |
| CN113025385A (en) * | 2021-04-21 | 2021-06-25 | 昆明理工大学 | Rotary biomass fluidized bed gasification device |
| CN113122335A (en) * | 2021-04-21 | 2021-07-16 | 新奥科技发展有限公司 | Biomass and coal co-gasification system and method |
-
2018
- 2018-10-18 CN CN201821689053.9U patent/CN209113823U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111253981A (en) * | 2020-03-02 | 2020-06-09 | 刘跃伟 | Grate system of biomass gasification furnace |
| CN111288438A (en) * | 2020-03-26 | 2020-06-16 | 江苏大学 | Fluidized bed combustion furnace and combustion method |
| CN111288438B (en) * | 2020-03-26 | 2021-09-24 | 江苏大学 | Fluidized bed combustion furnace and combustion method |
| CN112358155A (en) * | 2020-11-05 | 2021-02-12 | 北京一亚高科能源科技有限公司 | Sludge drying, gasifying and incinerating system and method thereof |
| CN113025385A (en) * | 2021-04-21 | 2021-06-25 | 昆明理工大学 | Rotary biomass fluidized bed gasification device |
| CN113122335A (en) * | 2021-04-21 | 2021-07-16 | 新奥科技发展有限公司 | Biomass and coal co-gasification system and method |
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