CN204513370U - Pneumatic type boiler bed material add-on system - Google Patents
Pneumatic type boiler bed material add-on system Download PDFInfo
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- CN204513370U CN204513370U CN201520061555.7U CN201520061555U CN204513370U CN 204513370 U CN204513370 U CN 204513370U CN 201520061555 U CN201520061555 U CN 201520061555U CN 204513370 U CN204513370 U CN 204513370U
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- appendix
- communicated
- conveying pipeline
- bed material
- pneumatic
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 239000002893 slag Substances 0.000 claims abstract description 8
- 238000010408 sweeping Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Abstract
The utility model discloses a kind of Pneumatic type boiler bed material add-on system, comprise slag storehouse, vibratory sieve, elevator and scratch board conveyor, described elevator upper end connects a surge bunker by a conveying pipeline one, is communicated with 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, is respectively to help to blow device one with helping and blow device two, and this conveying pipeline two can be communicated with the burner hearth of described boiler; Also comprise a compressed air system, this compressed air system has the appendix one being communicated with described Pneumatic conveying pump.The utility model by conveying pipeline two directly by handling and conveying in burner hearth, avoid in prior art under needing Pneumatic conveying pump to be placed in slag storehouse and cause mass transport difficulty 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, bed material is flowed fast with formula of sweeping along, substantially increases operating efficiency.
Description
Technical field
The utility model relates to a kind of boiler bed material add-on system, is specifically related to a kind of Pneumatic type boiler bed material add-on system.
Background technology
Bed material is also bed material, is fluidized-bed combustion boiler necessary medium when starting.General more commonly fluidized-bed combustion boiler burns down rear discharge or river sand, bed material is placed in inside burner hearth, necessary process before being coal supply, in the loss of throwing coal and lime stone external crucible material when providing the initial bed material of boiler after initial start-up and overhaul and boiler startup, keep certain bed pressure, it is the necessary process of circulating combustion, bed material will be transported to burner hearth by conveying mechanism in slag storehouse, because conveying mechanism is generally placed on ground, and the burner hearth of boiler is liftoff has certain altitude, the particle diameter and the proportion that add material of going to bed are larger, therefore, bed material can sink because of the effect of gravity in course of conveying from the bottom to top, precipitation, can not effectively be delivered in burner hearth, efficiency is lower.Under prior art, add lifting device and conveying device, utilize elevator that bed material is promoted to certain altitude, by being gravitationally fallen in conveying device, finally utilize conveying device to carry bed material to transfer in burner hearth, the load mode of this bed material has certain drawback, the volume of conveying device is larger, need larger installing space, simultaneously because the equipment and process pipeline of stokehold is more, arrange extremely dumb.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide one can use high efficiency Pneumatic type boiler bed material add-on system flexibly.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of Pneumatic type boiler bed material add-on system, comprise slag storehouse, vibratory sieve, elevator and scratch board conveyor, described elevator upper end connects a surge bunker by a conveying pipeline one, is communicated with 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, is respectively to help to blow device one with helping and blow device two, and this conveying pipeline two can be communicated with the burner hearth of described boiler;
Also comprise a compressed air system, this compressed air system has the appendix one being communicated with described Pneumatic conveying pump.
Further, described compressed air system also comprises appendix two and appendix three, described appendix two is communicated in helping on conveying pipeline two and blows device one, appendix tee joint helps and blows device two, described appendix two and help and blow between device one and appendix three and helping blows and to be equipped with between device two and to help and blow valve group.
Further, an intake valve group is provided with between described appendix one and described Pneumatic conveying pump.
Further, described Pneumatic conveying pump top also connects appendix four one end, and this appendix four other end is communicated with described conveying pipeline two, and 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 is all communicated with described burner hearth; Conveying pipeline two is provided with a transfer valve, and branch road one connection when closing described transfer valve, branch road two is closed, and when opening described transfer valve, branch road one is all communicated 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 in burner hearth, avoid in prior art and need conveying device to be placed in by boiler, saved space; By the application of compressed air system, utilize compressed-air actuated flow at high speed, bed material is flowed fast with formula of sweeping along, substantially increases operating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.
Fig. 1 is the structural representation of Pneumatic type boiler bed material add-on system provided by the utility model.
1. slag storehouse 2. vibratory sieve 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 group 20. transfer valve 21. expansion joint 22. branch roads one
23. branch roads two.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Shown in Fig. 1, a kind of Pneumatic type boiler bed material add-on system, comprise slag storehouse 1, vibratory sieve 2, elevator 5 and scratch board conveyor 3, described elevator 5 upper end connects a surge bunker 6 by a conveying pipeline 1, is communicated with a Pneumatic conveying pump 7 below this surge bunker 6; 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, is respectively to help to blow device 1 with helping and blow device 2 10, and this conveying pipeline 2 12 can be communicated with the burner hearth 4 of described boiler;
Also comprise a compressed air system 8, this compressed air system 8 has the appendix 1 being communicated with described Pneumatic conveying pump 7.
Described compressed air system 8 also comprises appendix 2 14 and appendix 3 15, described appendix 2 14 is communicated in helping on conveying pipeline 2 12 and blows device 1, appendix 3 15 connection helps blows device 2 10, described appendix 2 14 and help and blow between device 1 and appendix 3 15 and helping blows and to be equipped with one between device 2 10 and to help and blow valve group 17, helps and blows valve group 17 and mainly control appendix and help the connected relation blown between device;
An intake valve group 18 is provided with between appendix 1 and described Pneumatic conveying pump 7;
Pneumatic conveying pump 7 top also connects appendix 4 16 one end, and this appendix 4 16 other end is communicated with described conveying pipeline 2 12, and 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 is all communicated with described burner hearth 4; Conveying pipeline 2 12 is provided with a transfer valve 20, and when closing described transfer valve 20, branch road 1 is communicated with, and branch road 2 23 is closed, and when opening described transfer valve 20, branch road 1 is all communicated with branch road 2 23; Each described branch road is equipped with an expansion joint 21; The quantity of branch road is determined according to actual needs, and the branch road in the present embodiment is two, also can be three, four or more;
During concrete enforcement, bed material enters surge bunker 6 after slag storehouse 1, vibratory sieve 2, scratch board conveyor 3, conveying pipeline 1 and elevator 5, and through cushioning effect, enter Pneumatic conveying pump 7, now compressed air system 8 starts.Help and blow device 1 and help that to blow device 2 10 be all provide power to run by compressed air, therefore the compressed air system 8 in Fig. 1 has appendix 2 14 and appendix 3 15, appendix 2 14 is for driving the operation helping and blow device 1, appendix 3 15 is for driving the operation helping and blow device 2 10, in addition also there is appendix 1, appendix 1 is communicated with Pneumatic conveying pump 7, for blowing the bed material in Pneumatic conveying pump 7 in conveying pipeline 2 12.Help to blow device 1 and help and blow device 2 10 bed material can be made to be that transporting velocity improves greatly in conveying pipeline 2 12, arrive branch road 1 fast with branch road 2 23, and then arrive in burner hearth 4.By conveying pipeline 2 12 directly by handling and conveying in burner hearth 4, avoid in prior art and need conveying device to be placed in by boiler, saved space; By the application of compressed air system 8, utilize compressed-air actuated flow at high speed, bed material is flowed fast with formula of sweeping along, substantially increases operating efficiency.
To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.
Claims (6)
1. a Pneumatic type boiler bed material add-on system, comprises slag storehouse, vibratory sieve, elevator and scratch board conveyor, it is characterized in that, described elevator upper end connects a surge bunker by a conveying pipeline one, is communicated with 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, is respectively to help to blow device one with helping and blow device two, and this conveying pipeline two can be communicated with the burner hearth of described boiler;
Also comprise a compressed air system, this compressed air system has the appendix one being communicated with described Pneumatic conveying pump.
2. Pneumatic type boiler bed material add-on system according to claim 1, it is characterized in that, described compressed air system also comprises appendix two and appendix three, described appendix two is communicated in helping on conveying pipeline two and blows device one, appendix tee joint helps and blows device two, described appendix two and help and blow between device one and appendix three and helping blows and to be equipped with between device two and to help and blow valve group.
3. Pneumatic type boiler bed material add-on system according to claim 1, is characterized in that, be provided with an intake valve group between described appendix one and described Pneumatic conveying pump.
4. Pneumatic type boiler bed material add-on system according to claim 1, is characterized in that, described Pneumatic conveying pump top also connects appendix four one end, and this appendix four other end is communicated with described conveying pipeline two, and appendix four is provided with a balanced valve group.
5. Pneumatic type boiler bed material add-on system according to claim 1, is characterized in that, the tail end of described conveying pipeline two has branch road one and branch road two, and each branch road is all communicated with described burner hearth; Conveying pipeline two is provided with a transfer valve, and branch road one connection when closing described transfer valve, branch road two is closed, and when opening described transfer valve, branch road one is all communicated with branch road two.
6. Pneumatic type boiler bed material add-on system according to claim 5, is characterized in that, each described branch road is equipped with an expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061555.7U CN204513370U (en) | 2015-01-28 | 2015-01-28 | Pneumatic type boiler bed material add-on system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061555.7U CN204513370U (en) | 2015-01-28 | 2015-01-28 | Pneumatic type boiler bed material add-on system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204513370U true CN204513370U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520061555.7U Expired - Fee Related CN204513370U (en) | 2015-01-28 | 2015-01-28 | Pneumatic type boiler bed material add-on system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204513370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105110015A (en) * | 2015-09-09 | 2015-12-02 | 上海隆麦机械设备工程有限公司 | Pneumatic force slag removal conveying system |
-
2015
- 2015-01-28 CN CN201520061555.7U patent/CN204513370U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105110015A (en) * | 2015-09-09 | 2015-12-02 | 上海隆麦机械设备工程有限公司 | Pneumatic force slag removal conveying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |