CN208794381U - 350MW Supercritical CFB Boiler with Poly-generation - Google Patents
350MW Supercritical CFB Boiler with Poly-generation Download PDFInfo
- Publication number
- CN208794381U CN208794381U CN201821185828.9U CN201821185828U CN208794381U CN 208794381 U CN208794381 U CN 208794381U CN 201821185828 U CN201821185828 U CN 201821185828U CN 208794381 U CN208794381 U CN 208794381U
- Authority
- CN
- China
- Prior art keywords
- burner hearth
- boiler
- separator
- gasification furnace
- burner
- 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.)
- Active
Links
Abstract
A kind of 350MW Supercritical CFB Boiler with Poly-generation.Currently, 350MW Supercritical CFB Boiler technology is highly developed, at home and foreign countries have obtained a large amount of application, simultaneously, pyrolysis of coal burning staged conversion technology is also mature, and has successful application in some engineerings, but mesh the first two technology is all development and application respectively.Burner hearth (1), steam-water separator (11), slag cooler (9), Induct burner (10) and gasification furnace (21), the burner hearth is square burner hearth, and the burner hearth is arranged in the front of boiler, the burner hearth center line is overlapped with boiler center line, the steam-water separator is arranged between the burner hearth and the cold separator of vapour, the slag cooler and the Induct burner are located at below the burner hearth, the slag cooler is drawn to stokehold, and the Induct burner is to drawing after furnace.The utility model is applied to 50MW Supercritical CFB Boiler.
Description
Technical field:
The utility model relates to a kind of 350MW Supercritical CFB Boiler with Poly-generation.
Background technique:
Currently, the main Land use systems of coal in China are directly to burn, the 80% of coal total amount is accounted for.Wherein power plant combustion is sent out
Electricity accounts for 50%, and Industrial Boiler and scattered burning account for 30%, at present the serious haze situation in China, and small-sized industrial boiler and civil coal dissipate and burn tribute
Offer it is larger, it is seriously polluted.On the other hand, China's petroleum resources wretched insufficiency, the energy resources and Environmental Pollution in China are determined
Determine to improve the comprehensive energy efficiency of coal utilization, control the short energy demand of disposal of pollutants, solution in coal conversion process to be close
The top priority of mid-term energy field.
Wherein, 350MW Supercritical CFB Boiler technology is highly developed, and at home and foreign countries have obtained a large amount of application,
Meanwhile pyrolysis of coal burning staged conversion technology is also mature, and has successful application in some engineerings, but mesh the first two skill
Art is all development and application respectively, now develops a kind of Poly-generation demonstration plant, by two kinds of technological incorporation, realizes that coal is overcritical and follows
Pyrolysis of coal burning staged conversion Poly-generation in ring fluidized bed.
Summary of the invention:
The purpose of the utility model is to provide a kind of 350MW Supercritical CFB Boiler with Poly-generation, for the ground such as Shanxi coal
Charcoal resource develops a kind of novel 350MW supercritical circulating fluidized bed boiler type of furnace with Poly-generation, proposes recycling fluidisation
Pyrolysis of coal burning staged conversion Poly-generation demonstration plant is established in bed boiler, the part of pyrolysis will be easy in coal in gasification furnace transfer
Turn to coal gas and tar, coal gas, which further purifies, is converted into that natural gas is for civilian use, and generated tar, which can be used as fuel, directly to be made
With or by adding hydrogen to produce fuel oil；The rich carbon semicoke of difficult pyrolytic gasification enters directly into burning in circulating fluid bed boiler, into
Row lime-ash is comprehensively utilized.To be truly realized coal grading comprehensive utilization, coal transformation efficiency and utilization efficiency are improved,
Disposal of pollutants is reduced, realizes that system overall efficiency optimizes.
Above-mentioned purpose is realized by following technical scheme:
A kind of 350MW Supercritical CFB Boiler with Poly-generation, composition includes: burner hearth, steam-water separator, slag cooler, bed
Lower starting burner and gasification furnace, the burner hearth are square burner hearth, and the burner hearth is arranged in the front of boiler, described
Burner hearth center line be overlapped with boiler center line, the steam-water separator is arranged in the burner hearth and the cold separation of vapour
Between device, the slag cooler and the Induct burner are located at below the burner hearth, and the slag cooler is to furnace
Preceding extraction, the Induct burner are arranged in below separating and feeding back system and gasification furnace to drawing after furnace.
The 350MW Supercritical CFB Boiler with Poly-generation, the inner upper space of the burner hearth are disposed with water cooling
Screen, high temperature reheater and high temperature superheater, and water-cooling screen, the high temperature reheater and the high temperature superheater from
It draws stokehold.
The 350MW Supercritical CFB Boiler with Poly-generation, the cold separator of the vapour be arranged in the burner hearth and
Between back-end ductwork, the cold separator top of the vapour is connect by separator inlet flue with the burner hearth, and lower part passes through
Material returning valve is connect with the burner hearth, and is connected the cold separator of vapour and tail portion enclosure wall superheater by separator outlet flue
It is logical.
The 350MW Supercritical CFB Boiler with Poly-generation, the gasification furnace are arranged in two institutes on the right side of boiler
Between the cold separator of the vapour stated, by the gasification furnace exhaust pass to extraction on the right side of boiler, I grade of separator and II are entered
In grade separator, the separating and feeding back system of the gasification furnace and boiler is imported high temperature ash by cone valve, passes through gasification furnace
Material returning valve returns to the semicoke of the gasification furnace in boiler loopseal's oblique leg.
The 350MW Supercritical CFB Boiler with Poly-generation, the dead astern of the burner hearth are disposed with packet wall overheat
Device, rectangular enclosure wall superheater center line are overlapped with boiler center line, and the enclosure wall superheater is divided into former and later two flues, wherein
Low-temperature reheater is sequentially arranged in preceding flue from top to bottom, is sequentially arranged medium temperature overheater and low temperature mistake from top to bottom in rear pass
Hot device, the enclosure wall superheater lower section are sequentially arranged economizer I, SCR device, economizer II and economizer ash from top to bottom
Bucket is air preheater below the economizer hopper, then by hot-flow flue by the air preheater and the burner hearth
Connection.
The utility model has the beneficial effects that
1. the utility model realizes the mutual of the Poly-generation technology of 350MW supercritical circulating fluidized bed boiler technology and coal
Fusion, enriches the product line of 350MW supercritical circulating fluidized bed boiler, has a vast market foreground.
2. the utility model successful fusion Poly-generation technology of 350MW supercritical circulating fluidized bed boiler technology and coal,
The enlargement for realizing recirculating fluidized bed pyrolysis and combustion staged conversion multi-production process is truly realized the comprehensive benefit of coal grading
With improving coal transformation efficiency and utilization efficiency, reduce disposal of pollutants, realize that system overall efficiency optimizes, have far-reaching
Social benefit.
3. the supercritical circulating fluidized bed Poly-generation of the 350MW of the utility model is for device by a main steam flow
The supercritical circulating fluidized bed combustion furnace of 1200t/h and 1 fluidized bed pyrolysis gasification furnace composition, separate unit pyrolysis gasification furnace coal input quantity
For 80t/h.Coal through screw auger coal feeder from pyrolysis oven be sent into the normal pressure fluidized bed pyrolysis gasification furnace after, with by combustion furnace Lai
High temperature circulation material mixing, 600 DEG C or so at a temperature of carry out pyrolytic gasification, the semicoke and recycle stock one after pyrolytic gasification
It rises and circulating fluidized bed boiler is entered by Loop Seal, semicoke burns in circulating fluidized bed boiler, and as fluidized-bed combustion boiler
Part of fuel.A large amount of high-temperature material is carried up by high-temperature flue gas in circulating fluidized bed boiler, is entered by furnace outlet
High temperature cyclone separator, the flue gas after cyclone separator separates enter boiler back end ductwork, successively flow through superheater, economizer
And the heating surfaces such as air preheater.Material returning valve is entered through the standpipe of separator by the high-temperature material that separator separates.One
Enter pyrolysis gasification furnace after dividing high temperature ash to control by cone high-temperature Ash valve, remaining high-temp circulating ash is then directly sent by material returning valve
Melt down thorax.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is the top view of attached drawing 1.
Attached drawing 3 is the partial enlarged view that A is marked in attached drawing 1.
Attached drawing 4 is the partial enlarged view that B is marked in attached drawing 1.
Attached drawing 5 is the partial enlarged view in attached drawing 2.
1, burner hearth, 2, separator inlet flue, 3, the cold separator of vapour, 4, separator outlet flue, 5, water-cooling screen, 6, height
Warm reheater, 7, high temperature superheater, 8, material returning valve, 9, slag cooler, 10, Induct burner, 11, steam-water separator, 12, sky
Air preheater, 13, hot-flow flue, 14, enclosure wall superheater, 15, medium temperature overheater, 16, low-temperature reheater, 17, low temperature superheater,
18, economizer I, 19, economizer II, 20, economizer hopper, 21, gasification furnace, 22, I grades of separators, 23, II grades of separators, 24,
Gasification furnace material returning valve, 25, cone valve.
Specific embodiment:
Embodiment 1:
Boiler mainly by economizer, burner hearth evaporating heating surface, superheater, reheater, Steel Structure, connection flue, separate back
The systems such as material system, gasification furnace composition prolongs boiler first row steel column between last row's steel column；
It is arranged on the square burner hearth 1 of boiler front first, burner hearth center line is overlapped with boiler center line, steam-water separator
11 are arranged between burner hearth and the cold separator of vapour, and slag cooler 9 and Induct burner 10 are located at below burner hearth, and slag cooler is to furnace
Preceding extraction, Induct burner are arranged in below separating and feeding back system and gasification furnace to drawing after furnace；
Water-cooling screen 5, high temperature reheater 6 and high temperature superheater 7 are arranged in burner hearth inner upper space, draw from stokehold；
The cold separator 3 of vapour is arranged between burner hearth and back-end ductwork, and top is connected by separator inlet flue 2 and burner hearth
It connects, lower part is connect by material returning valve 8 with burner hearth, by separator outlet flue 4 by the cold separator of vapour and tail portion enclosure wall superheater 14
Connection；
Gasification furnace 21 is arranged between two cold separators of vapour on the right side of boiler, right to boiler by gasification furnace exhaust pass
Side is drawn, and sequentially enters I grade of separator 22 and II grade of separator 23, and the separating and feeding back system of gasification furnace and boiler passes through cone valve
25 import high temperature ash, then are returned in boiler loopseal's oblique leg by the semicoke that gasification furnace material returning valve 24 generates gasification furnace,
Into burner hearth, the fuel as boiler burns.
Enclosure wall superheater is arranged in burner hearth dead astern, and rectangular enclosure wall superheater center line is also overlapped with boiler center line, packet
Wall superheater is divided into former and later two flues, is sequentially arranged low-temperature reheater 16 in preceding flue from top to bottom, in rear pass from up to
Under be sequentially arranged medium temperature overheater 15, low temperature superheater 17, be sequentially arranged from top to bottom below enclosure wall superheater economizer I 18,
SCR device, economizer II 19 and economizer hopper 20, economizer hopper lower section are air preheater 12, then will by hot-flow flue 13
Air preheater and burner hearth connect, and the exhanst gas outlet and air intake of air preheater are separately connected the cigarette of designing institute's design
Wind system.
Embodiment 2:
350MW Supercritical CFB Boiler with Poly-generation, i.e. exploitation be suitable for Poly-generation from the overcritical CFB of principal mode 350MW
The purpose of boiler technology.The project boiler is supercritical parameter, a resuperheat, direct current cooker, single burner hearth, closed seal cloth
Set, the circulating fluidized bed boiler of dry ash extraction, all steel frame overhung construction, composition include: economizer, burner hearth evaporating heating surface,
Superheater, reheater, Steel Structure, connection flue, separating and feeding back system and Poly-generation gasification furnace, separator, cone valve, material returning valve
Etc. equipment, using M type arrangement form, single burner hearth, single air distributor structure, tail portion twin flue damper adjustment, it is characterized in that: in boiler
The equipment such as Poly-generation gasification furnace, separator, cone valve, material returning valve are set between two cold separators of vapour on right side, and in boiler
The feeding system of setting gasification furnace in the column of the rightmost side.
Claims (5)
1. a kind of 350MW Supercritical CFB Boiler with Poly-generation, composition includes: under burner hearth, steam-water separator, slag cooler, bed
Start burner and gasification furnace, it is characterized in that: the burner hearth is square burner hearth, and before the burner hearth is arranged in boiler
Portion, the burner hearth center line are overlapped with boiler center line, and the steam-water separator is arranged in the burner hearth and cold point of vapour
From between device, the slag cooler and the Induct burner are located at below the burner hearth, the slag cooler to
Stokehold is drawn, and the Induct burner is arranged in below separating and feeding back system and gasification furnace to drawing after furnace.
2. the 350MW Supercritical CFB Boiler according to claim 1 with Poly-generation, it is characterized in that: the burner hearth is interior
Upper space is disposed with water-cooling screen, high temperature reheater and high temperature superheater, and the water-cooling screen, the high temperature reheater and
The high temperature superheater is drawn from stokehold.
3. the 350MW Supercritical CFB Boiler according to claim 1 or 2 with Poly-generation, it is characterized in that: the vapour is cold
Separator is arranged between the burner hearth and back-end ductwork, the cold separator top of the vapour by separator inlet flue with
The burner hearth connection, lower part are connect by material returning valve with the burner hearth, and by separator outlet flue that the vapour is cold
Separator is connected to tail portion enclosure wall superheater.
4. the 350MW Supercritical CFB Boiler according to claim 1 or 2 with Poly-generation, it is characterized in that: the gasification
Furnace be arranged in two on the right side of boiler described between the cold separator of vapour, by the gasification furnace exhaust pass on the right side of boiler
It draws, enters in I grade of separator and II grade of separator, the separating and feeding back system of the gasification furnace and boiler passes through cone valve
High temperature ash is imported, is returned to the semicoke of the gasification furnace in boiler loopseal's oblique leg by gasification furnace material returning valve.
5. the 350MW Supercritical CFB Boiler according to claim 1 or 2 with Poly-generation, it is characterized in that: the burner hearth
Dead astern be disposed with enclosure wall superheater, rectangular enclosure wall superheater center line is overlapped with boiler center line, the described packet wall overheat
Device is divided into former and later two flues, wherein before be sequentially arranged low-temperature reheater in flue from top to bottom, in rear pass from top to bottom according to
Secondary arrangement medium temperature overheater and low temperature superheater, the enclosure wall superheater lower section are sequentially arranged economizer I, SCR from top to bottom
Device, economizer II and economizer hopper, the economizer hopper lower section is air preheater, then will be described by hot-flow flue
Air preheater is connected with the burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821185828.9U CN208794381U (en) | 2018-07-26 | 2018-07-26 | 350MW Supercritical CFB Boiler with Poly-generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821185828.9U CN208794381U (en) | 2018-07-26 | 2018-07-26 | 350MW Supercritical CFB Boiler with Poly-generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208794381U true CN208794381U (en) | 2019-04-26 |
Family
ID=66203327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821185828.9U Active CN208794381U (en) | 2018-07-26 | 2018-07-26 | 350MW Supercritical CFB Boiler with Poly-generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208794381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826263A (en) * | 2018-07-26 | 2018-11-16 | 哈尔滨锅炉厂有限责任公司 | 350MW Supercritical CFB Boiler and working method with Poly-generation |
-
2018
- 2018-07-26 CN CN201821185828.9U patent/CN208794381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826263A (en) * | 2018-07-26 | 2018-11-16 | 哈尔滨锅炉厂有限责任公司 | 350MW Supercritical CFB Boiler and working method with Poly-generation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103897743B (en) | Solid fuel classification gasification-burning double bed polygenerations systeme and method | |
| CN203147790U (en) | Exhaust air fluidized brown coal medium speed mill straight-blowing coal pulverizing system | |
| CN100545510C (en) | With the wet oil shale semicockes is the recirculating fluidized bed CIU of fuel | |
| CN105295982B (en) | The Poly-generation utilization system and its technique of a kind of oil shale attendants | |
| CN202419628U (en) | 300MW mixed-burning high furnace gas boiler | |
| CN204786347U (en) | Biomass gasification phase separating combustion furnace | |
| CN202968480U (en) | Hierarchical coal pyrolysis reactor for fluidized bed | |
| CN103031135B (en) | Fluidized bed hierarchical coal pyrolysis reactor and coal pyrolysis method | |
| CN107101187B (en) | Heating system and heating method for supercritical carbon dioxide boiler | |
| CN204058390U (en) | Solid fuel classification gasification-burning double bed polygenerations systeme | |
| CN103604121B (en) | Adopt the oil shale semi-coke fluidized bed combustion syste of triple channel flow-dividing control material returning device | |
| CN203116087U (en) | Biomass pyrolysis double-fluidized-bed ignition system | |
| CN208794381U (en) | 350MW Supercritical CFB Boiler with Poly-generation | |
| CN207279612U (en) | A kind of water-coal-slurry circulating fluidized bed boiler based on fluidised form reconstruct | |
| CN203036631U (en) | Cooling device of boiler revert system | |
| CN102252325B (en) | Circulating fluidized bed boiler capable of burning rice husks | |
| CN201581059U (en) | Clean gas output type environment-friendly coal-fired gasification furnace | |
| CN203593729U (en) | Heat carrier self-circulating heating type pyrolysis liquefaction system for forestry and agricultural residues | |
| CN202074513U (en) | Circulating fluidized-bed boiler for burning rice hulls | |
| CN103497776B (en) | Thermal barrier self-circulation heating-type agriculture and forestry organic waste material pyrolysis liquefying systems | |
| CN202733916U (en) | Burning dregs fluidized bed boiler | |
| CN201670735U (en) | Efficient heat-recovering decarburization roasting boiler with low calorific value | |
| CN205447700U (en) | Oxygendeficient burning boiler of brown coal semicoke | |
| CN107606609A (en) | A kind of CFBB of lower heat of combustion high-ash fuel | |
| CN108826263A (en) | 350MW Supercritical CFB Boiler and working method with Poly-generation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |