CN205782873U - A kind of circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure - Google Patents
A kind of circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure Download PDFInfo
- Publication number
- CN205782873U CN205782873U CN201620419004.8U CN201620419004U CN205782873U CN 205782873 U CN205782873 U CN 205782873U CN 201620419004 U CN201620419004 U CN 201620419004U CN 205782873 U CN205782873 U CN 205782873U
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- China
- Prior art keywords
- abrasion
- proof structure
- emulsion zone
- coil pipe
- fluidized bed
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- 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.)
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Abstract
This utility model relates to the circulation fluidized bed heat conducting oil boiler of a kind of emulsion zone band abrasion-proof structure, and heat insulating construction includes straight section and tilting section；The height of straight section is H1, and the height of tilting section is H2, and the average bed speed of emulsion zone is ω；(H1+H2)/ω < (0.5～2.0) second；Abrasion-proof structure is laid in horizontal coil pipe bottom 15 row's coil pipe side towards the fire and heat insulating construction inwall；Abrasion-proof structure is divided into abrasion-proof structure epimere, abrasion-proof structure stage casing and abrasion-proof structure hypomere；The angle of inclination of abrasion-proof structure epimere is β, and the angle of inclination in abrasion-proof structure stage casing is α；α>β；Abrasion-proof structure epimere lower end thickness is δ 1, and abrasion-proof structure epimere upper end thickness is δ 2, and abrasion-proof structure stage casing thickness is δ 0；δ 1=(3/4～2/3) δ 0, δ 1 >=2 δ 2.The flow direction of flue gas can be changed, it is to avoid the particulate matter in flue gas scratches horizontal coil pipe, the plurality of advantages such as particulate matter can preferably fall, its simple in construction.
Description
Technical field
This utility model relates to circulation fluidized bed heat conducting oil boiler technical field, particularly relates to a kind of emulsion zone band and prevents
The circulation fluidized bed heat conducting oil boiler of mill structure.
Background technology
Combustion technology of circulating fluidized is nearly New combustion technique developed rapidly for twenties years.Its tool
There is fuel tolerance good, the inferior fuel such as burning house refuse, spoil, slag, de-in stove can be used
Sulfur, the plurality of advantages such as nitrogen oxide emission is low, are the type of furnaces the most with fastest developing speed.Along with ciculation fluidized
The development of bed boiler technology, CFBC low heat value, the advantage of high-ash fuel obtain abundant body
Existing, it is increasingly becoming the main flow type of furnace of low calorie fuels.Granule after flue gas carries burning secretly in combustion
Thing flows up, and through horizontal coil pipe, horizontal coil pipe is easily scratched by particulate matter, needs after broken pipe
Blowing out is keeped in repair, and affects work efficiency, and maintenance cost is higher, and particulate matter is easily deposited in emulsion zone and dilute phase
Junction, district and its inwall, affect the continuous maneuverability of boiler, process cumbersome shortcomings of Denging.
Utility model content
For weak point present in the problems referred to above, this utility model provides a kind of emulsion zone band abrasionproof knot
The circulation fluidized bed heat conducting oil boiler of structure.
For achieving the above object, this utility model provides the circulation fluidized bed heat conduction of a kind of emulsion zone band abrasion-proof structure
Thermo oil boiler, including: emulsion zone, it is provided with dilute-phase zone on described emulsion zone top；
Described dilute-phase zone inwall is provided with the horizontal coil pipe of multiple superposition, is provided with in the outside of described horizontal coil pipe
Heat-insulation layer；
Described emulsion zone is heat insulating construction；
Described heat insulating construction includes straight section and tilting section；
The height of described straight section is H1, and the height of described tilting section is H2, the average bed of described emulsion zone
Speed is ω；
(H1+H2)/ω < (0.5～2.0) second；
Abrasion-proof structure is laid in described horizontal coil pipe bottom 1-5 row's coil pipe side towards the fire and described heat insulating construction
Wall；
Described abrasion-proof structure is divided into abrasion-proof structure epimere, abrasion-proof structure stage casing and abrasion-proof structure hypomere；
The angle of inclination of described abrasion-proof structure epimere is β, and the angle of inclination in described abrasion-proof structure stage casing is α；
α>β；
Described abrasion-proof structure epimere lower end thickness is δ 1, and described abrasion-proof structure epimere upper end thickness is δ 2,
Described abrasion-proof structure stage casing thickness is δ 0；
δ 1=(3/4～2/3) δ 0, δ 1 >=2 δ 2.
Improving further as this utility model, described horizontal coil pipe is fixed by positioning device described dilute
The inwall of phase region, the thickness of described positioner is L1, a diameter of d of described horizontal coil pipe；
L1=(1.05～1.2) d；
Described horizontal coil pipe and described external thermal insulation thickness are L2；
L2=L1+ △ L, △ L=(10～200) mm.
Improving further as this utility model, described abrasion-proof structure epimere is the most outward-dipping shape.
Improving further as this utility model, described abrasion-proof structure stage casing is the most outward-dipping shape.
Improve further as this utility model, described tilting section and described abrasion-proof structure stage casing cant angle
Spend identical.
Improving further as this utility model, described emulsion zone and described dilute-phase zone are structure as a whole in leakage
Bucket shape shape.
Improving further as this utility model, described abrasion-proof structure inwall is shiny surface.
Improving further as this utility model, described abrasion-proof structure stage casing is thick with described abrasion-proof structure hypomere
Spend identical.
The beneficial effects of the utility model are: by the horizontal coil pipe bottom 1-5 that is laid in by abrasion-proof structure
Row's coil pipe side towards the fire and heat insulating construction inwall, this abrasion-proof structure is divided in abrasion-proof structure epimere, abrasion-proof structure
Section and abrasion-proof structure hypomere；Abrasion-proof structure epimere and abrasion-proof structure stage casing are equipped with angle of inclination, and abrasionproof is tied
The angle of inclination in structure stage casing is more than the angle of inclination of abrasion-proof structure epimere, and abrasion-proof structure epimere thickness gradually contracts
Little, abrasion-proof structure stage casing thickness is more than abrasion-proof structure epimere thickness, can change the flow direction of flue gas, it is to avoid cigarette
Particulate matter in gas scratches horizontal coil pipe, the plurality of advantages such as particulate matter can preferably fall, its simple in construction.
Accompanying drawing explanation
Fig. 1 is the sectional view of the circulation fluidized bed heat conducting oil boiler of this utility model a kind of emulsion zone band abrasion-proof structure；
Fig. 2 is the enlarged drawing in figure at I.
In figure: 1, heat-insulation layer；2, horizontal coil pipe；3, abrasion-proof structure；4, emulsion zone；5, location dress
Put.
Detailed description of the invention
As shown in Figure 1-2, the circulation fluidized bed heat conduction of a kind of emulsion zone band abrasion-proof structure of this utility model embodiment
Thermo oil boiler, including: emulsion zone 4, it is provided with dilute-phase zone on emulsion zone 4 top；Dilute-phase zone inwall is provided with multiple
The horizontal coil pipe 2 of superposition, is provided with heat-insulation layer 1 in the outside of horizontal coil pipe 2.Emulsion zone 4 is heat insulating construction；
Heat insulating construction includes straight section and tilting section；The height of straight section is H1, and the height of tilting section is H2, close phase
The average bed speed in district 4 is ω；(H1+H2)/ω < (0.5～2.0) second.Abrasion-proof structure 3 is laid in horizontal coil pipe
2 bottom 1-5 row's coil pipe side towards the fire and heat insulating construction inwalls, abrasion-proof structure 3 is divided into abrasion-proof structure epimere, prevents
Mill structure stage casing and abrasion-proof structure hypomere, the angle of inclination of abrasion-proof structure epimere is β, abrasion-proof structure stage casing
Angle of inclination be α；α>β.Abrasion-proof structure epimere lower end thickness is δ 1, abrasion-proof structure epimere upper end
Thickness is δ 2, and abrasion-proof structure stage casing thickness is δ 0；δ 1=3/4～2/3 δ 0, δ 1 >=2 δ 2.Horizontal plate
Pipe 2 is fixed on the inwall of dilute-phase zone by positioner 5, and the thickness of positioner 5 is L1, horizontal plate
A diameter of d of pipe 2；L1=1.05～1.2d；Horizontal coil pipe 2 and external thermal insulation 1 thickness are L2；L2=L1+
△ L, △ L=10～200mm.Abrasion-proof structure epimere is the most outward-dipping shape, and abrasion-proof structure stage casing is
The most outward-dipping shape, tilting section is identical with abrasion-proof structure stage casing cant angle degree.Emulsion zone 4 is with dilute
Phase region is structure as a whole in funnel shaped, and abrasion-proof structure 3 inwall is shiny surface, and abrasion-proof structure stage casing is with anti-
Mill structure hypomere thickness is identical.
Time specifically used: the cigarette of entrained particulate flows up, during flowing, particulate matter is from trend
Under fall, abrasion-proof structure level of protection coil pipe avoid it to scratch, abrasion-proof structure epimere and stage casing are in outwards
Tilted shape, particulate matter is in the downward landing in its surface, it is to avoid particle packing is on surface.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model,
For a person skilled in the art, this utility model can have various modifications and variations.All in this reality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, all should comprise
Within protection domain of the present utility model.
Claims (8)
1. the circulation fluidized bed heat conducting oil boiler of an emulsion zone band abrasion-proof structure, it is characterised in that including: emulsion zone (4), is provided with dilute-phase zone on described emulsion zone (4) top；
Described dilute-phase zone inwall is provided with the horizontal coil pipe (2) of multiple superposition, is provided with heat-insulation layer (1) in the outside of described horizontal coil pipe (2)；
Described emulsion zone (4) is heat insulating construction；
Described heat insulating construction includes straight section and tilting section；
The height of described straight section is H1, and the height of described tilting section is H2, and the average bed speed of described emulsion zone (4) is ω；
(H1+H2)/ω < (0.5～2.0) second；
Abrasion-proof structure (3) is laid in described horizontal coil pipe (2) bottom 1-5 row's coil pipe side towards the fire and described heat insulating construction inwall；
Described abrasion-proof structure (3) is divided into abrasion-proof structure epimere, abrasion-proof structure stage casing and abrasion-proof structure hypomere；
The angle of inclination of described abrasion-proof structure epimere is β, and the angle of inclination in described abrasion-proof structure stage casing is α；
α>β；
Described abrasion-proof structure epimere lower end thickness is δ 1, and described abrasion-proof structure epimere upper end thickness is δ 2, and described abrasion-proof structure stage casing thickness is δ 0；
δ 1=(3/4～2/3) δ 0, δ 1 >=2 δ 2.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 1, it is characterized in that: described horizontal coil pipe (2) is fixed on the inwall of described dilute-phase zone by positioner (5), the thickness of described positioner (5) is L1, a diameter of d of described horizontal coil pipe (2)；
L1=(1.05～1.2) d；
Described horizontal coil pipe (2) and described heat-insulation layer (1) thickness are L2；
L2=L1+ △ L, △ L=(10～200) mm.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 1, it is characterised in that: described abrasion-proof structure epimere is the most outward-dipping shape.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 1, it is characterised in that: described abrasion-proof structure stage casing is the most outward-dipping shape.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 4, it is characterised in that: described tilting section is identical with described abrasion-proof structure stage casing cant angle degree.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 1, it is characterised in that: described emulsion zone (4) and described dilute-phase zone are structure as a whole in funnel shaped.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 1, it is characterised in that: described abrasion-proof structure (3) inwall is shiny surface.
The circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure the most according to claim 1, it is characterised in that: described abrasion-proof structure stage casing is identical with described abrasion-proof structure hypomere thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419004.8U CN205782873U (en) | 2016-05-10 | 2016-05-10 | A kind of circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419004.8U CN205782873U (en) | 2016-05-10 | 2016-05-10 | A kind of circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205782873U true CN205782873U (en) | 2016-12-07 |
Family
ID=57412671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620419004.8U Withdrawn - After Issue CN205782873U (en) | 2016-05-10 | 2016-05-10 | A kind of circulation fluidized bed heat conducting oil boiler of emulsion zone band abrasion-proof structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN205782873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782960A (en) * | 2016-05-10 | 2016-07-20 | 北京亚高科能源科技有限公司 | Circulating bed heat-conducting oil boiler with dense phase zone with anti-abrasion structures |
-
2016
- 2016-05-10 CN CN201620419004.8U patent/CN205782873U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782960A (en) * | 2016-05-10 | 2016-07-20 | 北京亚高科能源科技有限公司 | Circulating bed heat-conducting oil boiler with dense phase zone with anti-abrasion structures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20170825 |
|
| AV01 | Patent right actively abandoned |