CN106090897A - Pneumatic type boiler bed add-on system - Google Patents
Pneumatic type boiler bed add-on system Download PDFInfo
- Publication number
- CN106090897A CN106090897A CN201610414458.0A CN201610414458A CN106090897A CN 106090897 A CN106090897 A CN 106090897A CN 201610414458 A CN201610414458 A CN 201610414458A CN 106090897 A CN106090897 A CN 106090897A
- Authority
- CN
- China
- Prior art keywords
- appendix
- conveying pipeline
- pneumatic
- branch road
- conveying
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
Abstract
The invention discloses a kind of Pneumatic type boiler bed add-on system, including slag storehouse, vibrosieve, elevator and scratch board conveyor, described elevator upper end connects a surge bunker by a conveying pipeline one, connects a Pneumatic conveying pump below this surge bunker;Described Pneumatic conveying pump is communicated with a conveying pipeline two, described conveying pipeline two has at least two and helps and blow device, respectively helps and blows device one and blow device two with helping, and this conveying pipeline two can connect the burner hearth of described boiler;Also including a compressed air system, this compressed air system has the appendix one connecting described Pneumatic conveying pump.The present invention by conveying pipeline two directly by handling and conveying to burner hearth, it is to avoid prior art needs to be placed in by Pneumatic conveying pump under slag storehouse and causes material difficulty of transportation and inefficient problem, also save the space of stokehold simultaneously;By the application of compressed air system, utilize compressed-air actuated flow at high speed, make bed to sweep along formula quickly to flow, substantially increase work efficiency.
Description
Technical field
The present invention relates to a kind of boiler bed add-on system, be specifically related to a kind of Pneumatic type boiler bed add-on system.
Background technology
Bed is also bed material, is fluidized-bed combustion boiler necessary medium on startup.General more typically fluid bed pot
Stove burn down after discharge or fluvial sand, bed is placed in inside burner hearth, is the necessary process before coal supply, it is provided that boiler is in initial start-up
And the loss of bed before throwing coal and limestone when initial bed after overhaul and boiler startup, keep certain bed pressure, be to follow
The necessary process of ring burning, bed conveying mechanism to be passed through in slag storehouse transports to burner hearth, owing to conveying mechanism is typically disposed in ground
On face, and the burner hearth of boiler is liftoff has certain altitude, adds that the particle diameter of bed and proportion are relatively big, therefore, bed by under
Can be because the effect of gravity be sunk, precipitation in supreme course of conveying, it is impossible to be effectively delivered in burner hearth, inefficient.Existing
Have under technology, add lifting device and conveyer device, utilize elevator that bed is promoted to certain altitude, by being gravitationally fallen to
On conveyer device, finally utilizing conveyer device conveying bed to transmit to burner hearth, the load mode of this bed has certain
Drawback, the volume of conveyer device is relatively big, needs bigger installing space, simultaneously because the equipment of stokehold and process pipe are more,
Arrange the most dumb.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide one and can use high efficiency Pneumatic type boiler flexibly
Bed add-on system.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of Pneumatic type boiler bed add-on system, including slag storehouse, vibrosieve, elevator and scratch board conveyor, described in carry
Rise machine upper end and connect a surge bunker by a conveying pipeline one, below this surge bunker, connect a Pneumatic conveying pump;Described air conveying
Pump is communicated with a conveying pipeline two, described conveying pipeline two has at least two and helps and blow device, respectively helps and blows device one and blow device two with helping,
And this conveying pipeline two can connect the burner hearth of described boiler;
Also including a compressed air system, this compressed air system has the appendix one connecting described Pneumatic conveying pump.
Further, described compressed air system also includes appendix two and appendix three, and described appendix two is communicated in
Helping on conveying pipeline two blows device one, and appendix tee joint helps and blows device two, described appendix two and help and blow between device one and gas transmission
Guan Sanyu helps to blow and is equipped with one between device two and helps and blow valve group.
Further, an intake valve group it is provided with between described appendix one and described Pneumatic conveying pump.
Further, described Pneumatic conveying pump top is also connected with appendix four one end, and this appendix four other end connects institute
Stating conveying pipeline two, appendix four is provided with a balanced valve group.
Further, the tail end of described conveying pipeline two has branch road one and branch road two, and each branch road all connects described burner hearth;Defeated
Material pipe two is provided with a switching valve, branch road one connection when closing described switching valve, and branch road two is closed, when opening described switching valve,
Branch road one all connects with branch road two.
Further, each described branch road is equipped with an expansion joint.
Beneficial effect: by conveying pipeline two directly by handling and conveying to burner hearth, it is to avoid need defeated in prior art
Send device to be placed in by boiler, save space;By the application of compressed air system, utilize compressed-air actuated flow at high speed,
Make bed to sweep along formula quickly to flow, substantially increase work efficiency.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described.
Fig. 1 is the structural representation of Pneumatic type boiler bed add-on system provided by the present invention.
1. slag storehouse 2. vibrosieve 3. scratch board conveyor 4. burner hearth
5. elevator 6. surge bunker 7. Pneumatic conveying pump 8. compressed air system 9. helps and blows device one
10. help and blow device 2 11. conveying pipeline 1 conveying pipeline 2 13. appendix one
14. appendix 2 15. appendix 3 16. appendixs 4 17. help and blow valve group
18. intake valve group 19. balanced valve groups 20. switch valve 21. expansion joint 22. branch road one
23. branch roads two.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe wholely.
Shown in Fig. 1, a kind of Pneumatic type boiler bed add-on system, transport with scraper plate including slag storehouse 1, vibrosieve 2, elevator 5
Defeated machine 3, described elevator 5 upper end connects a surge bunker 6 by a conveying pipeline 1, connects a pneumatic transporting below this surge bunker 6
Send pump 7;Described Pneumatic conveying pump 7 is communicated with a conveying pipeline 2 12, described conveying pipeline 2 12 has at least two and helps and blow device, point
Do not blow device 1 and blow device 2 10 for helping with helping, and this conveying pipeline 2 12 can connect the burner hearth 4 of described boiler;
Also including a compressed air system 8, this compressed air system 8 has the appendix connecting described Pneumatic conveying pump 7
One 13.
Described compressed air system 8 also includes appendix 2 14 and appendix 3 15, and described appendix 2 14 is communicated in
Helping on conveying pipeline 2 12 blows device 1, and appendix 3 15 connection helps blows device 2 10, described appendix 2 14 with help blow device 1 it
Between and appendix 3 15 and helping blow and be equipped with one between device 2 10 and help and blow valve group 17, help and blow valve group 17 and mainly control appendix
And help the connected relation blowing between device;
An intake valve group 18 it is provided with between appendix 1 and described Pneumatic conveying pump 7;
Pneumatic conveying pump 7 top is also connected with appendix 4 16 one end, and this appendix 4 16 other end connects described conveying
Pipe 2 12, appendix 4 16 is provided with a balanced valve group 19, for balancing the pressure inside and outside Pneumatic conveying pump 7;
The tail end of conveying pipeline 2 12 has branch road 1 and branch road 2 23, and each branch road all connects described burner hearth 4;Conveying pipeline
2 12 are provided with a switching valve 20, branch road 1 connection when closing described switching valve 20, and branch road 2 23 is closed, opened described switching
During valve 20, branch road 1 all connects with branch road 2 23;An expansion joint 21 it is equipped with on each described branch road;The quantity of branch road according to
Being actually needed and determine, the branch road in the present embodiment is two, it is also possible to be three, four or more;
When being embodied as, bed is after slag storehouse 1, vibrosieve 2, scratch board conveyor 3, conveying pipeline 1 and elevator 5
Entering surge bunker 6, through cushioning effect, enter Pneumatic conveying pump 7, now compressed air system 8 starts.Help and blow device 1 and help
Blowing device 2 10 is all to provide power to run by compressed air, and therefore the compressed air system 8 in Fig. 1 has appendix 2 14
With appendix 3 15, appendix 2 14 helps, for driving, the operation blowing device 1, and appendix 3 15 blows device 2 10 for driving to help
Running, the most also have appendix 1, appendix 1 connects Pneumatic conveying pump 7, for by the bed in Pneumatic conveying pump 7
It is blown in conveying pipeline 2 12.Help blow device 1 and helping blow device 2 10 can make bed in conveying pipeline 2 12 be transporting velocity significantly
Improve, quickly arrive in branch road 1 and branch road 2 23, and then arrive in burner hearth 4.By conveying pipeline 2 12, logistics is the most defeated
Deliver in burner hearth 4, it is to avoid prior art needs to be placed in by boiler by conveyer device, has saved space;By compression sky
The application of gas system 8, utilizes compressed-air actuated flow at high speed, makes bed to sweep along formula quickly to flow, substantially increases work effect
Rate.
Multiple amendment to these embodiments will be apparent from, herein for those skilled in the art
Defined General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.
Claims (6)
1. a Pneumatic type boiler bed add-on system, including slag storehouse, vibrosieve, elevator and scratch board conveyor, its feature exists
In, described elevator upper end connects a surge bunker by a conveying pipeline one, connects a Pneumatic conveying pump below this surge bunker;Described
Pneumatic conveying pump is communicated with a conveying pipeline two, described conveying pipeline two has at least two and helps and blow device, respectively help blow device one with
Help and blow device two, and this conveying pipeline two can connect the burner hearth of described boiler;
Also including a compressed air system, this compressed air system has the appendix one connecting described Pneumatic conveying pump.
Pneumatic type boiler bed add-on system the most according to claim 1, it is characterised in that described compressed air system is also
Including appendix two and appendix three, described appendix two is communicated in helping on conveying pipeline two and blows device one, appendix tee joint
Help and blow device two, described appendix two and help and blow between device one and appendix three and helping blows and is equipped with between device two and helps and blow valve
Group.
Pneumatic type boiler bed add-on system the most according to claim 1, it is characterised in that described appendix one is with described
An intake valve group it is provided with between Pneumatic conveying pump.
Pneumatic type boiler bed add-on system the most according to claim 1, it is characterised in that described Pneumatic conveying pump top
Being also connected with appendix four one end, this appendix four other end connects described conveying pipeline two, and appendix four is provided with a balanced valve
Group.
Pneumatic type boiler bed add-on system the most according to claim 1, it is characterised in that the tail end of described conveying pipeline two
Having branch road one and branch road two, each branch road all connects described burner hearth;Conveying pipeline two is provided with a switching valve, closes described switching
During valve, branch road one connects, and branch road two is closed, and when opening described switching valve, branch road one all connects with branch road two.
Pneumatic type boiler bed add-on system the most according to claim 5, it is characterised in that be all provided with on each described branch road
There is an expansion joint.
Priority Applications (1)
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CN201610414458.0A CN106090897A (en) | 2016-06-13 | 2016-06-13 | Pneumatic type boiler bed add-on system |
Applications Claiming Priority (1)
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CN201610414458.0A CN106090897A (en) | 2016-06-13 | 2016-06-13 | Pneumatic type boiler bed add-on system |
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CN201610414458.0A Pending CN106090897A (en) | 2016-06-13 | 2016-06-13 | Pneumatic type boiler bed add-on system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109552886A (en) * | 2018-12-07 | 2019-04-02 | 云南云天化石化有限公司 | Boiler plant pressurization bed material transportation system |
CN112747310A (en) * | 2020-12-31 | 2021-05-04 | 江苏久晟环保设备有限公司 | Automatic bed material adding system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06281112A (en) * | 1993-03-30 | 1994-10-07 | Nippon Steel Corp | Method for utilizing discharge gas/in circulating fluidized bed type boiler |
CN103486577A (en) * | 2013-09-10 | 2014-01-01 | 章礼道 | Natural gas ignition system for circulating fluidized bed boiler |
CN204005973U (en) * | 2014-08-08 | 2014-12-10 | 中国电力工程顾问集团西南电力设计院 | A kind of CFB boiler startup bed material mechanical conveying system |
CN104791778A (en) * | 2015-01-28 | 2015-07-22 | 镇江纽普兰气力输送有限公司 | Pneumatic boiler bed material adding system |
CN205174347U (en) * | 2015-07-08 | 2016-04-20 | 中机国能电力工程有限公司 | Start bed material conveying system |
-
2016
- 2016-06-13 CN CN201610414458.0A patent/CN106090897A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06281112A (en) * | 1993-03-30 | 1994-10-07 | Nippon Steel Corp | Method for utilizing discharge gas/in circulating fluidized bed type boiler |
CN103486577A (en) * | 2013-09-10 | 2014-01-01 | 章礼道 | Natural gas ignition system for circulating fluidized bed boiler |
CN204005973U (en) * | 2014-08-08 | 2014-12-10 | 中国电力工程顾问集团西南电力设计院 | A kind of CFB boiler startup bed material mechanical conveying system |
CN104791778A (en) * | 2015-01-28 | 2015-07-22 | 镇江纽普兰气力输送有限公司 | Pneumatic boiler bed material adding system |
CN205174347U (en) * | 2015-07-08 | 2016-04-20 | 中机国能电力工程有限公司 | Start bed material conveying system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109552886A (en) * | 2018-12-07 | 2019-04-02 | 云南云天化石化有限公司 | Boiler plant pressurization bed material transportation system |
CN112747310A (en) * | 2020-12-31 | 2021-05-04 | 江苏久晟环保设备有限公司 | Automatic bed material adding system |
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