CN208952085U - Circulating fluidized bed boiler stripping gas co-combustion system - Google Patents
Circulating fluidized bed boiler stripping gas co-combustion system Download PDFInfo
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- CN208952085U CN208952085U CN201821653817.9U CN201821653817U CN208952085U CN 208952085 U CN208952085 U CN 208952085U CN 201821653817 U CN201821653817 U CN 201821653817U CN 208952085 U CN208952085 U CN 208952085U
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- stripping gas
- combustion
- fluidized bed
- inlet pipe
- gas
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Abstract
The utility model discloses a kind of circulating fluidized bed boiler stripping gas co-combustion systems, including boiler furnace, the combustion gas inlet pipe being connected to the intracorporal burner hearth of Boiler Furnace is provided on boiler furnace, combustion gas inlet pipe is more, and more combustion gas inlet pipes are along the setting of the short transverse interval of boiler furnace to convey stripping gas to the intracorporal burner hearth of Boiler Furnace；Wherein, the internal diameter of combustion gas inlet pipe is not less than 100mm.So as to effectively improve the air inflow of circulating fluidized bed boiler, and then that improves stripping gas mixes burning amount.Solve the problems, such as stripping gas co-combustion system stripping gas in the prior art mix burning measure it is lower.
Description
Technical field
The utility model relates to boiler plant fields, mix burning in particular to a kind of circulating fluidized bed boiler stripping gas
System.
Background technique
The hydrogen that the raw coke oven gas of existing semi-coke device production extracts is used for the raw materials for production of coal tar hydrogenating, and stripping gas is used
Make magnesium metal production fuel, stripping gas more than needed mixes burning for electricity generation boiler.
And the stripping gas of existing Boiler Mixed Burning system mixes that burning amount is lower, can not adapt to the desorption more than needed of semi-coke device generation
Gas causes the significant wastage of stripping gas.
Summary of the invention
The main purpose of the utility model is to provide a kind of circulating fluidized bed boiler stripping gas co-combustion systems, at least to solve
Stripping gas co-combustion system stripping gas certainly in the prior art mixes burning and measures lower problem.
To achieve the goals above, the utility model provides a kind of circulating fluidized bed boiler stripping gas co-combustion system, packet
Include: boiler furnace is provided with the combustion gas inlet pipe being connected to the intracorporal burner hearth of Boiler Furnace on boiler furnace, and combustion gas inlet pipe is more,
More combustion gas inlet pipes are along the setting of the short transverse interval of boiler furnace to convey stripping gas to the intracorporal burner hearth of Boiler Furnace；Wherein,
The internal diameter of combustion gas inlet pipe is not less than 100mm.
Further, more combustion gas inlet pipes include: the first combustion gas inlet pipe, and the first combustion gas inlet pipe is more, more first combustions
The front of boiler furnace is arranged in be connected to the intracorporal burner hearth of Boiler Furnace in gas inlet pipe.
Further, more combustion gas inlet pipes include: the second combustion gas inlet pipe, and the second combustion gas inlet pipe is more, more second combustions
The rear portion of boiler furnace is arranged in be connected to the intracorporal burner hearth of Boiler Furnace in gas inlet pipe.
Further, circulating fluidized bed boiler stripping gas co-combustion system further include: connecting branch, connecting branch are more,
More connecting branches and more combustion gas inlet pipes are interconnected correspondingly to convey stripping gas to the intracorporal burner hearth of Boiler Furnace.
Further, circulating fluidized bed boiler stripping gas co-combustion system further include: fast cut valve, fast cut valve be it is multiple, it is multiple
Fast cut valve is arranged in correspondingly on more connecting branches；Wherein, every connecting branch by a corresponding fast cut valve with
Corresponding combustion gas inlet pipe connection.
Further, circulating fluidized bed boiler stripping gas co-combustion system further include: connection general pipeline, connection general pipeline and each company
Branch pipe is connect to be connected to convey stripping gas to the intracorporal burner hearth of Boiler Furnace.
Further, circulating fluidized bed boiler stripping gas co-combustion system further include: the first water seal arrangement, connection general pipeline pass through
First water seal arrangement is connected to each connecting branch.
Further, circulating fluidized bed boiler stripping gas co-combustion system further include: stripping gas main pipe, the one of stripping gas main pipe
End is connected to stripping gas gas source, and the other end of stripping gas main pipe is connected to general pipeline is connect to solve to the intracorporal burner hearth conveying of Boiler Furnace
Air-breathing.
Further, the internal diameter of connecting branch is not less than 150mm, connects the internal diameter of general pipeline not less than 450mm, stripping gas is female
The internal diameter of pipe is not less than 1200mm.
Further, circulating fluidized bed boiler stripping gas co-combustion system further include: bleeding device；Second water seal arrangement, puts
In bulk set is connected to by the second water seal arrangement with stripping gas main pipe to diffuse to the stripping gas from stripping gas gas source.
Using the circulating fluidized bed boiler stripping gas co-combustion system of technical solutions of the utility model, including boiler furnace, pot
The combustion gas inlet pipe being connected to the intracorporal burner hearth of Boiler Furnace is provided on furnace body, combustion gas inlet pipe is more, more combustion gas inlet pipe edges
The short transverse interval setting of boiler furnace is to convey stripping gas to the intracorporal burner hearth of Boiler Furnace；Wherein, the internal diameter of combustion gas inlet pipe
Not less than 100mm.So as to effectively improve the air inflow of circulating fluidized bed boiler, and then that improves stripping gas mixes burning amount.Solution
Stripping gas co-combustion system stripping gas in the prior art of having determined mixes burning and measures lower problem.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is according to optionally a kind of structure of circulating fluidized bed boiler stripping gas co-combustion system of the utility model embodiment
Schematic diagram.
Wherein, the above drawings include the following reference numerals:
10, boiler furnace；20, combustion gas inlet pipe；21, the first combustion gas inlet pipe；22, the second combustion gas inlet pipe；30, connecting branch；
31, the first connecting branch；32, the second connecting branch；40, general pipeline is connected；41, the first connection general pipeline；42, the second connection general pipeline；
50, the first water seal arrangement；60, stripping gas main pipe；70, bleeding device；80, the second water seal arrangement；90, fast cut valve.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
According to the circulating fluidized bed boiler stripping gas co-combustion system of the utility model embodiment, as shown in Figure 1, comprising: pot
Furnace body 10 is provided with the combustion gas inlet pipe 20 being connected to the burner hearth in boiler furnace 10 on boiler furnace 10, and combustion gas inlet pipe 20 is
More, more combustion gas inlet pipes 20 convey solution along the setting of the short transverse interval of boiler furnace 10 with the burner hearth into boiler furnace 10
Air-breathing；Wherein, the internal diameter of combustion gas inlet pipe 20 is not less than 100mm.
Using the circulating fluidized bed boiler stripping gas co-combustion system of technical solutions of the utility model, including boiler furnace 10,
The combustion gas inlet pipe 20 being connected to the burner hearth in boiler furnace 10 is provided on boiler furnace 10, combustion gas inlet pipe 20 is more, more
Combustion gas inlet pipe 20 conveys stripping gas along the setting of the short transverse interval of boiler furnace 10 with the burner hearth into boiler furnace 10；Its
In, the internal diameter of combustion gas inlet pipe 20 is not less than 100mm.So as to effectively improve the air inflow of circulating fluidized bed boiler, Jin Erti
High stripping gas mixes burning amount.Solve the problems, such as stripping gas co-combustion system stripping gas in the prior art mix burning measure it is lower.
When it is implemented, in order to further increase the air inflow of circulating fluidized bed boiler, more combustion gas inlet pipes 20 include the
One combustion gas inlet pipe 21 and the second combustion gas inlet pipe 22, the first combustion gas inlet pipe 21 are more, and more first combustion gas inlet pipes 21 are arranged in pot
The front of furnace body 10 with the burner hearth in boiler furnace 10 to be connected to；Second combustion gas inlet pipe 22 be more, more second combustion gas into
The rear portion of boiler furnace 10 is arranged in be connected to the burner hearth in boiler furnace 10 in pipe 22.To pass through the front of boiler furnace 10
Stripping gas is conveyed to boiler furnace 10 by more larger-diameter combustion gas inlet pipes 20 simultaneously with rear portion, is effectively improved ciculation fluidized
The stripping gas of bed boiler mixes burning amount.
Further, circulating fluidized bed boiler stripping gas co-combustion system further includes connecting branch 30 and fast cut valve 90, connection
Branch pipe 30 is more, and more connecting branches 30 and more combustion gas inlet pipes 20 are interconnected into boiler furnace 10 correspondingly
Burner hearth convey stripping gas；Fast cut valve 90 be it is multiple, multiple fast cut valves 90 are arranged in correspondingly on more connecting branches 30；
Wherein, every connecting branch 30 is connected to a corresponding combustion gas inlet pipe 20 to stripping gas by a corresponding fast cut valve 90
Conveying controlled.
Further, connecting branch 30 includes the first connecting branch 31 and the second connecting branch 32, the first connecting branch 31
It is more with the second connecting branch 32, more first connecting branches 31 correspond and connect with more first combustion gas inlet pipes 21
Logical, more second connecting branches 32 are corresponded and are connected to more second combustion gas inlet pipes 22 to pass through boiler furnace 10 respectively
Front and rear conveys stripping gas.
Further, circulating fluidized bed boiler stripping gas co-combustion system further includes connection general pipeline 40 and the first water seal arrangement
50, connection general pipeline include the first connection general pipeline 41 and the second connection general pipeline 42, and the first connection general pipeline 41 connect branch with each first
Pipe 31 is connected to, and the second connection general pipeline 42 is connected to each second connecting branch 32, and the first water seal arrangement 50 is two, two
First water seal arrangement 50 is separately positioned on the first connection general pipeline 41 and the second connection general pipeline 42, so that stripping gas is passed through each point
Branch is delivered to boiler furnace 10.First water seal arrangement 50 plays the role of that stripping gas is isolated.
Further, circulating fluidized bed boiler stripping gas co-combustion system further includes stripping gas main pipe 60, stripping gas main pipe 60
One end be connected to stripping gas gas source, the other end of stripping gas main pipe 60 with first connect general pipeline 41 and second connection general pipeline 42 connect
Pass to the burner hearth conveying stripping gas into boiler furnace 10.
Optionally, the internal diameter of connecting branch 30 is not less than 150mm, and the internal diameter of connection general pipeline 40 is not less than 450mm, stripping gas
The internal diameter of main pipe 60 is not less than 1200mm.It is adapted to mix burning amount with the stripping gas of boiler furnace 10.
In order to guarantee safety when co-combustion system breaks down, further, circulating fluidized bed boiler stripping gas mixes burning system
System further include: bleeding device 70 and the second water seal arrangement 80, bleeding device 70 pass through the second water seal arrangement 80 and stripping gas main pipe
60 connections, extra stripping gas can be vented in atmosphere by bleeding device 70 when co-combustion system breaks down, to guarantee
The safety of co-combustion system.Optionally, the internal diameter of the pipeline that bleeding device 70 is connected to stripping gas main pipe 60 is not less than 700mm.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of circulating fluidized bed boiler stripping gas co-combustion system characterized by comprising
Boiler furnace (10) is provided with the combustion gas being connected to the burner hearth in the boiler furnace (10) on the boiler furnace (10)
Inlet pipe (20), the combustion gas inlet pipe (20) are more, height of the more combustion gas inlet pipes (20) along the boiler furnace (10)
The setting of direction interval conveys stripping gas with the burner hearth into the boiler furnace (10)；
Wherein, the internal diameter of the combustion gas inlet pipe (20) is not less than 100mm.
2. circulating fluidized bed boiler stripping gas co-combustion system according to claim 1, which is characterized in that the more combustion gas
Inlet pipe (20) includes:
First combustion gas inlet pipe (21), the first combustion gas inlet pipe (21) are more, more first combustion gas inlet pipe (21) settings
In the front of the boiler furnace (10) to be connected to the burner hearth in the boiler furnace (10).
3. circulating fluidized bed boiler stripping gas co-combustion system according to claim 2, which is characterized in that the more combustion gas
Inlet pipe (20) includes:
Second combustion gas inlet pipe (22), the second combustion gas inlet pipe (22) are more, more second combustion gas inlet pipe (22) settings
At the rear portion of the boiler furnace (10) to be connected to the burner hearth in the boiler furnace (10).
4. circulating fluidized bed boiler stripping gas co-combustion system according to claim 1, which is characterized in that described ciculation fluidized
Bed boiler stripping gas co-combustion system further include:
Connecting branch (30), the connecting branch (30) are more, more connecting branches (30) and the more combustion gas into
(20) are managed to be interconnected correspondingly with the burner hearth conveying stripping gas into the boiler furnace (10).
5. circulating fluidized bed boiler stripping gas co-combustion system according to claim 4, which is characterized in that described ciculation fluidized
Bed boiler stripping gas co-combustion system further include:
Fast cut valve (90), the fast cut valve (90) be it is multiple, multiple fast cut valves (90) are arranged in described more correspondingly
On connecting branch described in root (30)；
Wherein, the every connecting branch (30) passes through corresponding one fast cut valve (90) and a corresponding combustion gas
Inlet pipe (20) connection.
6. circulating fluidized bed boiler stripping gas co-combustion system according to claim 4, which is characterized in that described ciculation fluidized
Bed boiler stripping gas co-combustion system further include:
It connects general pipeline (40), the connection general pipeline (40) and each connecting branch (30) are connected to the boiler furnace
(10) burner hearth in conveys stripping gas.
7. circulating fluidized bed boiler stripping gas co-combustion system according to claim 6, which is characterized in that described ciculation fluidized
Bed boiler stripping gas co-combustion system further include:
First water seal arrangement (50), the connection general pipeline (40) pass through first water seal arrangement (50) and each connection branch
Manage (30) connection.
8. circulating fluidized bed boiler stripping gas co-combustion system according to claim 6, which is characterized in that described ciculation fluidized
Bed boiler stripping gas co-combustion system further include:
One end of stripping gas main pipe (60), the stripping gas main pipe (60) is connected to stripping gas gas source, the stripping gas main pipe
(60) the other end is connected to connection general pipeline (40) and conveys stripping gas with the burner hearth into the boiler furnace (10).
9. circulating fluidized bed boiler stripping gas co-combustion system according to claim 8, which is characterized in that the connecting branch
(30) internal diameter is not less than 150mm, and the internal diameter of connection general pipeline (40) is not less than 450mm, and the internal diameter of stripping gas main pipe (60) is not small
In 1200mm.
10. circulating fluidized bed boiler stripping gas co-combustion system according to claim 8, which is characterized in that the recycle stream
Fluidized bed boiler stripping gas co-combustion system further include:
Bleeding device (70)；
Second water seal arrangement (80), the bleeding device (70) pass through second water seal arrangement (80) and the stripping gas main pipe
(60) connection is to diffuse the stripping gas from the stripping gas gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653817.9U CN208952085U (en) | 2018-10-11 | 2018-10-11 | Circulating fluidized bed boiler stripping gas co-combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653817.9U CN208952085U (en) | 2018-10-11 | 2018-10-11 | Circulating fluidized bed boiler stripping gas co-combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208952085U true CN208952085U (en) | 2019-06-07 |
Family
ID=66741204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821653817.9U Active CN208952085U (en) | 2018-10-11 | 2018-10-11 | Circulating fluidized bed boiler stripping gas co-combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208952085U (en) |
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2018
- 2018-10-11 CN CN201821653817.9U patent/CN208952085U/en active Active
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