CN108571719A - A kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill - Google Patents
A kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill Download PDFInfo
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- CN108571719A CN108571719A CN201810704004.6A CN201810704004A CN108571719A CN 108571719 A CN108571719 A CN 108571719A CN 201810704004 A CN201810704004 A CN 201810704004A CN 108571719 A CN108571719 A CN 108571719A
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- boiler
- primary superheater
- temperature adjustment
- tube panel
- brown coal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
A kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill, belongs to boiler technology field, solves the problems, such as that the capacity of existing π types boiler using brown coal is smaller.Boiler using brown coal：It includes economizer inlet pipeline, economizer import header, economizer surface and economizer exit header to save coal measures system, and four are sequentially communicated, economizer surface in-line arrangement.Superheating system includes the primary superheater, two-stage superheater and three-stagesuperheater being sequentially communicated.Primary superheater includes primary superheater entrance tube panel and primary superheater outlet tube panel, and primary superheater outlet tube panel is arranged at the first order heat-transfer surface of lower furnace portion.Reheat system includes low-temperature reheater and high temperature reheater, the two connection.Three-stagesuperheater, high temperature reheater, two-stage superheater, low-temperature reheater and province's coal measures system are arranged along flue gas flow direction successively to be exported in primary superheater between tube panel and primary superheater entrance tube panel.Watering temperature adjustment system reduces the temperature of three-stagesuperheater output water vapour.
Description
Technical field
The present invention relates to a kind of boilers, belong to boiler technology field.
Background technology
In recent years, the background based on China's lignite resource rich reserves, boiler for producing producer is in the research and development of boiler using brown coal
More and more energy are put into.Existing boiler using brown coal is usually π type boilers, limitation of this π types boiler because of self structure
And it is caused to be difficult to be used cooperatively with fan mill.Therefore, existing π types boiler using brown coal is commonly provided with other kinds of coal pulverizer.
However, due to coal pulverizer used by existing π types boiler using brown coal to the adaptability of the higher lignite of water content well below fan
Mill so that the capacity of existing π types boiler using brown coal is smaller.
Invention content
The present invention is to solve the problems, such as that the capacity of existing π types boiler using brown coal is smaller, it is proposed that a kind of great Rong with fan mill
Measure the tower watering temperature adjustment boiler using brown coal of ultra supercritical.
The tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of the present invention with fan mill include save coal measures system,
Superheating system, reheat system and watering temperature adjustment system, four are arranged in burner hearth 1, and it includes economizer inlet tube to save coal measures system
Road 2, economizer import header 3, economizer surface 4 and economizer exit header 5, four are sequentially communicated, economizer surface 4
In-line arrangement；
Superheating system includes primary superheater 6, two-stage superheater 7 and three-stagesuperheater 8, and three is sequentially communicated；
Primary superheater 6 includes that primary superheater entrance tube panel 9 and primary superheater export tube panel 10, and primary superheater goes out
Mouth tube panel 10 is arranged at the first order heat-transfer surface of 1 lower part of burner hearth；
Reheat system includes low-temperature reheater 11 and high temperature reheater 12, and the two is connected；
Three-stagesuperheater 8, high temperature reheater 12, two-stage superheater 7, low-temperature reheater 11 and province's coal measures system are successively along flue gas
Flow direction setting is exported in primary superheater between tube panel 10 and primary superheater entrance tube panel 9；
Watering temperature adjustment system exports the temperature of water vapour for reducing three-stagesuperheater 8.
As preferably, economizer surface 4 is realized using light pipe or extended surface tube.
As preferably, primary superheater entrance tube panel 9 exports tube panel 10 with primary superheater and is connected by hanging pipe
It is logical.
As preferably, water screen system is provided on the inner wall of burner hearth 1, water screen system includes spirally-wound tubes water
Cold wall 13 and vertical water wall 14, Spiral Coil Waterwall 13 are located at 1 middle and lower part of burner hearth, and vertical water wall 14 is located at
1 top of burner hearth, Spiral Coil Waterwall 13 are connected with vertical water wall 14 by mixing header.
As preferably, the boiler further includes activation system, and activation system includes starting separator, water storage tank, big
Gas flash vessel and drain tank, the first end for starting separator are connected with primary superheater entrance tube panel 9, start the of separator
Two ends are connected through water storage tank and air flash vessel with drain tank successively.
As preferably, the boiler further includes combustion system, and combustion system includes main burner and SOFA burners；
Combustion system forms octagonal tangential firing for making in burner hearth 1.
As preferably, the boiler further includes air and gas system, and air and gas system includes high-temperature furnace smoke pipeline 15 and low temperature
Stove pipe road 16.
As preferably, three-stagesuperheater 8 and high temperature reheater 12 are arranged at the high temperature cigarette district in burner hearth 1.
The present invention provides a kind of tower watering temperature adjustment boiler using brown coals of large-capacity ultra-supercritical with fan mill, with π type pots
Stove is compared, and tower boiler is more convenient the configuration of fan mill.Therefore, compared with existing π types boiler using brown coal, air distribution of the present invention
Fanning the capacity of the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of mill can be greatly enhanced.
Description of the drawings
Hereinafter face based on the embodiments and with reference to the accompanying drawings the large capacity of the present invention with fan mill is super
The tower watering temperature adjustment boiler using brown coal in boundary is described in more detail, wherein：
Fig. 1 is that the structure of the tower watering temperature adjustment boiler using brown coal of the large-capacity ultra-supercritical with fan mill described in embodiment is shown
It is intended to；
Fig. 2 is the structural schematic diagram for the upper furnace that embodiment refers to.
Specific implementation mode
Below in conjunction with attached drawing to the tower watering temperature adjustment lignite of the large-capacity ultra-supercritical of the present invention with fan mill
Boiler is described further.
Embodiment：The present embodiment is explained in detail with reference to Fig. 1 and Fig. 2.
The tower watering temperature adjustment boiler using brown coal of the large-capacity ultra-supercritical with fan mill described in the present embodiment includes saving coal measures
System, superheating system, reheat system and watering temperature adjustment system, four are arranged in burner hearth 1, and it includes economizer import to save coal measures system
Pipeline 2, economizer import header 3, economizer surface 4 and economizer exit header 5, four are sequentially communicated, and economizer is heated
4 in-line arrangement of face；
Superheating system includes primary superheater 6, two-stage superheater 7 and three-stagesuperheater 8, and three is sequentially communicated；
Primary superheater 6 includes that primary superheater entrance tube panel 9 and primary superheater export tube panel 10, and primary superheater goes out
Mouth tube panel 10 is arranged at the first order heat-transfer surface of 1 lower part of burner hearth；
Reheat system includes low-temperature reheater 11 and high temperature reheater 12, and the two is connected；
Three-stagesuperheater 8, high temperature reheater 12, two-stage superheater 7, low-temperature reheater 11 and province's coal measures system are successively along flue gas
Flow direction setting is exported in primary superheater between tube panel 10 and primary superheater entrance tube panel 9；
Watering temperature adjustment system exports the temperature of water vapour for reducing three-stagesuperheater 8.
The economizer surface 4 of the present embodiment is realized using light pipe or extended surface tube.
The primary superheater entrance tube panel 9 of the present embodiment exports tube panel 10 with primary superheater and is connected by hanging pipe.
In the present embodiment, water screen system is provided on the inner wall of burner hearth 1, water screen system includes spirally-wound tubes water
Cold wall 13 and vertical water wall 14, Spiral Coil Waterwall 13 are located at 1 middle and lower part of burner hearth, and vertical water wall 14 is located at
1 top of burner hearth, Spiral Coil Waterwall 13 are connected with vertical water wall 14 by mixing header.
The tower watering temperature adjustment boiler using brown coal of the large-capacity ultra-supercritical with fan mill described in the present embodiment further includes starting
System, activation system include starting separator, water storage tank, air flash vessel and drain tank, start the first end and one of separator
Grade superheater entrance tube panel 9 is connected, and starts the second end of separator successively through water storage tank and air flash vessel and drain tank phase
Connection.
The tower watering temperature adjustment boiler using brown coal of the large-capacity ultra-supercritical with fan mill described in the present embodiment further includes burning
System, combustion system include main burner and SOFA burners；
Combustion system forms octagonal tangential firing for making in burner hearth 1.
The tower watering temperature adjustment boiler using brown coal of the large-capacity ultra-supercritical with fan mill described in the present embodiment further includes cigarette wind
System, air and gas system include high-temperature furnace smoke pipeline 15 and low-temperature furnace smoke pipeline 16.
The three-stagesuperheater 8 and high temperature reheater 12 of the present embodiment are arranged at the high temperature cigarette district in burner hearth 1.
The two-stage superheater 7 of the present embodiment is arranged in the flue on 1 top of burner hearth.
The activation system connection water screen system and superheating system of the present embodiment, are used for the underrun of the boiler.
Although describing the present invention herein with reference to specific implementation, it should be understood that, these realities
It is the example of principles and applications to apply example only.It should therefore be understood that can be permitted exemplary embodiment
More modifications, and can be designed that other arrangements, spirit without departing from the present invention as defined in the appended claims and
Range.It should be understood that can be by combining different appurtenances different from method described in original claim
It is required that and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used at it
In his embodiment.
Claims (8)
1. a kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill, including save coal measures system, superheating system,
Reheat system and watering temperature adjustment system, four are arranged in burner hearth (1), which is characterized in that save coal measures system include economizer into
Mouth pipeline (2), economizer import header (3), economizer surface (4) and economizer exit header (5), four are sequentially communicated,
Economizer surface (4) in-line arrangement；
Superheating system includes primary superheater (6), two-stage superheater (7) and three-stagesuperheater (8), and three is sequentially communicated；
Primary superheater (6) includes primary superheater entrance tube panel (9) and primary superheater outlet tube panel (10), primary superheater
Tube panel (10) is exported to be arranged at the first order heat-transfer surface of burner hearth (1) lower part；
Reheat system includes low-temperature reheater (11) and high temperature reheater (12), and the two is connected；
Three-stagesuperheater (8), high temperature reheater (12), two-stage superheater (7), low-temperature reheater (11) and save coal measures system edge successively
Flue gas flow direction setting is between primary superheater outlet tube panel (10) and primary superheater entrance tube panel (9)；
Watering temperature adjustment system exports the temperature of water vapour for reducing three-stagesuperheater (8).
2. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as described in claim 1, feature exists
In economizer surface (4) is realized using light pipe or extended surface tube.
3. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as claimed in claim 2, feature exists
In primary superheater entrance tube panel (9) is connected with primary superheater outlet tube panel (10) by hanging pipe.
4. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as claimed in claim 3, feature exists
In being provided with water screen system on the inner wall of burner hearth (1), water screen system includes Spiral Coil Waterwall (13) and vertical tube
Water-cooling wall (14) is enclosed, Spiral Coil Waterwall (13) is located at burner hearth (1) middle and lower part, and vertical water wall (14) is located at burner hearth
(1) top, Spiral Coil Waterwall (13) are connected with vertical water wall (14) by mixing header.
5. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as claimed in claim 4, feature exists
In the boiler further includes activation system, and activation system includes starting separator, water storage tank, air flash vessel and drain tank, is opened
The first end of flow separator is connected with primary superheater entrance tube panel (9), starts the second end of separator successively through water storage tank
It is connected with air flash vessel with drain tank.
6. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as claimed in claim 5, feature exists
In the boiler further includes combustion system, and combustion system includes main burner and SOFA burners；
Combustion system forms octagonal tangential firing for making in burner hearth (1).
7. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as claimed in claim 6, feature exists
In the boiler further includes air and gas system, and air and gas system includes high-temperature furnace smoke pipeline (15) and low-temperature furnace smoke pipeline (16).
8. matching the tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical of fan mill as claimed in claim 7, feature exists
In three-stagesuperheater (8) and high temperature reheater (12) are arranged at the high temperature cigarette district in burner hearth (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704004.6A CN108571719A (en) | 2018-06-29 | 2018-06-29 | A kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704004.6A CN108571719A (en) | 2018-06-29 | 2018-06-29 | A kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill |
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| Publication Number | Publication Date |
|---|---|
| CN108571719A true CN108571719A (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810704004.6A Pending CN108571719A (en) | 2018-06-29 | 2018-06-29 | A kind of tower watering temperature adjustment boiler using brown coal of large-capacity ultra-supercritical with fan mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964030A (en) * | 2020-08-25 | 2020-11-20 | 哈尔滨锅炉厂有限责任公司 | Heating surface embedded system capable of adapting to multi-proportion lignite mixed combustion of supercritical boiler |
Citations (5)
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| CN102434870A (en) * | 2011-12-21 | 2012-05-02 | 哈尔滨锅炉厂有限责任公司 | 350MW supercritical tower-type lignite boiler |
| CN102537924A (en) * | 2012-02-02 | 2012-07-04 | 哈尔滨锅炉厂有限责任公司 | 670MW supercritical tower type brown coal boiler |
| CN202403249U (en) * | 2011-12-21 | 2012-08-29 | 哈尔滨锅炉厂有限责任公司 | 350MW supercritical tower type lignite boiler |
| CN102679307A (en) * | 2012-06-08 | 2012-09-19 | 哈尔滨锅炉厂有限责任公司 | 1000MW supercritical tower lignite boiler |
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2018
- 2018-06-29 CN CN201810704004.6A patent/CN108571719A/en active Pending
Patent Citations (5)
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| CN102434870A (en) * | 2011-12-21 | 2012-05-02 | 哈尔滨锅炉厂有限责任公司 | 350MW supercritical tower-type lignite boiler |
| CN202403249U (en) * | 2011-12-21 | 2012-08-29 | 哈尔滨锅炉厂有限责任公司 | 350MW supercritical tower type lignite boiler |
| CN102537924A (en) * | 2012-02-02 | 2012-07-04 | 哈尔滨锅炉厂有限责任公司 | 670MW supercritical tower type brown coal boiler |
| CN102679307A (en) * | 2012-06-08 | 2012-09-19 | 哈尔滨锅炉厂有限责任公司 | 1000MW supercritical tower lignite boiler |
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Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964030A (en) * | 2020-08-25 | 2020-11-20 | 哈尔滨锅炉厂有限责任公司 | Heating surface embedded system capable of adapting to multi-proportion lignite mixed combustion of supercritical boiler |
| CN111964030B (en) * | 2020-08-25 | 2022-02-08 | 哈尔滨锅炉厂有限责任公司 | Heating surface embedded system capable of adapting to multi-proportion lignite mixed combustion of supercritical boiler |
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