CN106568072A - Boiler system with multiple boilers arranged in stacked mode - Google Patents
Boiler system with multiple boilers arranged in stacked mode Download PDFInfo
- Publication number
- CN106568072A CN106568072A CN201610891961.5A CN201610891961A CN106568072A CN 106568072 A CN106568072 A CN 106568072A CN 201610891961 A CN201610891961 A CN 201610891961A CN 106568072 A CN106568072 A CN 106568072A
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- Prior art keywords
- boiler
- steam
- many
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- boilers
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
Abstract
The invention discloses a boiler system with multiple boilers arranged in a stacked mode. The boiler system comprises the multiple boilers with the same type specification, steam pipelines, electric steam pipeline closing and opening valves, valve controllers and a steam header pipe. Through the stacked boilers, a large-volume boiler is decomposed, and the steam quantities generated by the stacked boilers are superposed to replace the steam quantity generated by the single large boiler; each boiler is additionally provided with the corresponding electric steam valve to achieve opening and closing of the corresponding steam pipeline of the boiler, so that the steam pipeline of each boiler is connected with or disconnected from the header pipe; and according to power generating requirements, the steam load is changed by shutting down one or more boilers, and it can be ensured that all the boilers can work under the rated loads. Compared with the single large boiler, the load of the multi-boiler system is easy to adjust, boiler efficiency is high, and the total quantity of discharged pollutants is greatly reduced.
Description
Technical field
The invention belongs to electricity generation boiler field, more particularly to a kind of steam generator system of many boiler arranged stackeds.
Background technology
China is that, with the country that coal is main primary energy, coal fired power generation is occupied an leading position in power generation.And
In very long a period of time, will not change using coal as the energy resource structure of primary energy.《Long-term scientific and technological development in country
Planning outline（2006 ~ the year two thousand twenty）》Require to improve coal utilization transformation efficiency, reduce atmosphere pollution, therefore to the efficient of coal
Clean utilization is put forward higher requirement.
At present power plant of the country according to the supporting single large-sized boiler of electrical power of Turbo-generator Set, conventional boiler has layer to fire
Stove, coal-powder boiler, CFBB.Because China's power consumption is with time non-uniform Distribution, different time sections are to electrical demand
Difference, to avoid energy waste from needing generating equipment to adjust generated output according to the period in principle.Large-sized boiler power adjusting
Ability is little, and generating efficiency is greatly reduced when working under off-nominal behavior.In addition to the above-mentioned problems, coal-powder boiler to coal quality requirements compared with
It is high, need to increase coal-grinding equipment, put into higher, and have the shortcomings that dust and NOx emission concentration are high；CFBB
The particle diameter of coal is had and is strict with, and there are problems that coking,.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of boiler system of many boiler arranged stackeds
System, can be prevented effectively from large-scale power station presence the pollutant levels such as Load Regulation ability, dust it is high the problems such as.
The present invention is achieved by the following technical solutions：A kind of steam generator system of many boiler arranged stackeds, including multiple stage
Model specification identical boiler, jet chimney, the electronic start or stop valve of jet chimney, valve positioner, steam main etc..According to steaming
The power of turbine LP rotors determines the number of units of the sub- boiler of many steam generator systems and separate unit Boiler Steam parameter, the steaming of each sub- boiler
Steam pipe road is connected with steam main, and steam drives steam turbine Jing after steam main for generating electricity.Each sub- boiler produces specified steaming
The pressure and temperature data of vapour are needed and steam main design parameter matches, and each sub- boiler nominal steam total amount is equal to design boiler
Steam total amount.When steam generator system runs under rated condition, each sub- boiler in operation at rating, when generated energy need to be adjusted
When, adjust evaporation capacity by way of the single or multiple sub- boilers of closing.
Used as the further improvement of such scheme, each sub- boiler is respectively provided with independent steam superheater, to improve boiler effect
Rate and energy utilization rate.
Used as the further improvement of such scheme, each sub- boiler has independent flue, and per 2 boilers a set of tail gas is shared
Cleaning system and chimney.
As the further improvement of such scheme, electronic start or stop valve is installed on each sub- boiler steam pipe, to realize
Disconnect with main pipe when boiler is closed, it is ensured that safety and the demand for adapting to boiler generated energy.
Used as the further improvement of such scheme, each sub- boiler adopts chain grate boiler.
The present invention has compared to existing technology advantages below：
（1）The present invention replaces single large-sized boiler by being superimposed using many sub- boilers, when needing to make adjustments generated energy, can
To be adjusted by closing single or multiple sub- boilers, and the rated condition made per individual sub- kettleman can be kept, be solved
Large-sized boiler power adjusting is difficult, the problem of energy waste；
（2）The sub- boiler of many steam generator systems adopts chain grate boiler, ature of coal wide adaptability without the need for coal mill system, to substantially reduce
Cost；
（3）The sub- boiler of many steam generator systems adopts chain grate boiler, not there is a problem of boiler abrasion, coking, greatly promotes
Boiler life；
（4）The sub- boiler of many steam generator systems adopts chain grate boiler, and flue dust and NOx emission concentration are low, greatly save at flue gas
Reason cost；
（5）Many steam generator systems can overcome the problem of single large-sized boiler fault handling time length, greatly improve failure adaptibility to response.
Description of the drawings
Fig. 1 is schematic structural view of the invention one.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
A kind of steam generator system of many boiler arranged stackeds, a kind of many steam generator systems of arranged stacked, including multiple stage model rule
Lattice identical boiler body 1, the electronic start or stop valve 4 of boiler accessory machinery 9, control system 10, jet chimney, steam main 5 etc..Multiple stage
Boiler is 1# boilers, 2# boilers, 3# boiler ... N# boilers, and the quantity and boiler parameter of the boiler are sent out according to designed power plant
Depending on electrical power, can flexible design according to demand, each boiler has independent steam superheater 2, boiler accessory machinery system 9 and control
System processed 10.There is independent jet chimney 3 on each independent boiler, jet chimney electronic start or stop valve is installed on jet chimney
Door 4, boiler is connected by jet chimney 3 and steam main 5, and by electronic start or stop valve 4 keying of jet chimney is controlled, electronic
Start or stop valve 4 can with the keying of boiler automatic open close, can also adopt manual mode.
When power plant normally runs, each sub- boiler works under declared working condition, the steam Jing steam that each boiler is produced
Jing jet chimneys 3 enter steam main 5 after superheater 2, and steam drive steam turbine 7 and then drive generator 8 work and start to send out
Electricity, steam enters condenser 6 after finishing work(in steam turbine, complete power generation process.
When need reduce generated energy when, the ratio for reducing as needed closes down the boiler of respective numbers, at the same with corresponding pot
The corresponding electronic start or stop valve 4 of stove jet chimney 3 is closed, and the connection of boiler and steam main 5 is disconnected, and prevents opposing steam flow,
Guarantee the safety of steam generator system.
Further, when the ratio unlatching phase for needing when generated energy is heightened on the basis of turning down, then to heighten as needed
The boiler of quantity is answered, at the same time the electronic start or stop valve 4 of corresponding boiler is opened.
A kind of embodiment of the present invention is these are only, it is all right within the scope of the present invention not to limit the present invention
Change that boiler type is carried out and any modification, equivalent and the improvement made within principle etc., should be included in the present invention
Protection domain within.
Claims (6)
1. a kind of steam generator system of many boiler arranged stackeds, including multiple stage model specification identical boiler, jet chimney, steam pipe
The electronic start or stop valve in road, valve positioner, steam main etc., the sub- boiler of many steam generator systems is by jet chimney and steaming
Vapour main pipe is connected, and sub- boiler steam pipe is provided with electronic start or stop valve, and the steam generator system of many boiler arranged stackeds is produced
Steam be used to generate electricity, the steam produced by multiple specification identical boilers replaces the steam that single large-sized boiler is produced to be used to drive
Dynamic steam turbine is generated electricity, the steam parameter phase that the steam parameter of many steam generator system main pipes is produced with single large-sized boiler
Together, described many steam generator systems are by opening and closing down the change that single or multiple sub- boilers realize generated energy.
2. as claimed in claim 1 a kind of steam generator system of many boiler arranged stackeds, it is characterised in that：The sub- boiler is adopted
Chain grate boiler.
3. as claimed in claim 1 a kind of steam generator system of many boiler arranged stackeds, it is characterised in that：The sub- boiler is several
Determine according to generating set capacity.
4. as claimed in claim 1 a kind of steam generator system of many boiler arranged stackeds, it is characterised in that：The sub- boiler is respectively provided with
Independent steam reheater, superheater, flue, subsidiary engine and control system etc..
5. as claimed in claim 1 a kind of steam generator system of many boiler arranged stackeds, it is characterised in that：The sub- Boiler Steam pipe
There is an electronic opening/shutting valve before road and steam main junction, each electronic opening/shutting valve has independent controller, can be real
Existing electrically operated valve is with boiler automatic open close, it is also possible to manual opening-closing.
6. as claimed in claim 1 a kind of steam generator system of many boiler arranged stackeds, it is characterised in that：When needing that generated energy is done
During regulation, the change of generated energy can be realized by closing down single or multiple sub- boilers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891961.5A CN106568072A (en) | 2016-10-12 | 2016-10-12 | Boiler system with multiple boilers arranged in stacked mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891961.5A CN106568072A (en) | 2016-10-12 | 2016-10-12 | Boiler system with multiple boilers arranged in stacked mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106568072A true CN106568072A (en) | 2017-04-19 |
Family
ID=58531842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610891961.5A Withdrawn CN106568072A (en) | 2016-10-12 | 2016-10-12 | Boiler system with multiple boilers arranged in stacked mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106568072A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842909A (en) * | 2017-10-13 | 2018-03-27 | 滕州富源低热值燃料热电有限公司 | A kind of system for expanding cogeneration of heat and power central heating scale |
| CN108266745A (en) * | 2018-03-24 | 2018-07-10 | 唐山山岛石油化学有限公司 | The method of the efficient utilization and tail gas clean-up of furnace body vent gas treatment structure and its thermal energy |
-
2016
- 2016-10-12 CN CN201610891961.5A patent/CN106568072A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842909A (en) * | 2017-10-13 | 2018-03-27 | 滕州富源低热值燃料热电有限公司 | A kind of system for expanding cogeneration of heat and power central heating scale |
| CN108266745A (en) * | 2018-03-24 | 2018-07-10 | 唐山山岛石油化学有限公司 | The method of the efficient utilization and tail gas clean-up of furnace body vent gas treatment structure and its thermal energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170419 |
|
| WW01 | Invention patent application withdrawn after publication |