CN206973536U - A kind of biomass direct-combustion boiler pulsed slag-draining device - Google Patents
A kind of biomass direct-combustion boiler pulsed slag-draining device Download PDFInfo
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- CN206973536U CN206973536U CN201720416916.4U CN201720416916U CN206973536U CN 206973536 U CN206973536 U CN 206973536U CN 201720416916 U CN201720416916 U CN 201720416916U CN 206973536 U CN206973536 U CN 206973536U
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- gas
- source
- slag
- loosening
- conveying
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Abstract
The utility model provides a kind of biomass direct-combustion boiler pulsed slag-draining device, the slag-draining device includes scum pipe (10), slag-drip opening (2) connection of scum pipe and the recirculating fluidized bed bottom, the recirculating fluidized bed bottom side are provided with rapping air cannon device；Several loosening conveying source of the gas mechanisms are provided with the middle part of the scum pipe, the exit of the deslagging bottom of the tube is provided with gas control retaining device；The utility model effectively realizes the online deslagging of biomass direct-fired CFB Boiler Operation, the device of substitution manual operation deslagging, reduces manpower and materials, improves operating efficiency.
Description
Technical field
The invention belongs to biomass direct-combustion boiler technical field, and in particular to a kind of biomass direct-combustion boiler bottom pulse row
Slag device.
Background technology
Biomass electric power plant boiler uses CFBB mostly, and its advantage is mainly the various biologies that can burn
Matter, high combustion efficiency, wide in variety more of burning kind of analogy chain furnace.But due to the problem of applicable variety of fuel is brought more
Also it is just more, such as the safe operation of the fuel brick, the debris such as stone carried secretly just to boiler brings potential safety hazard, in running
As fuel constantly supplies to boiler, the accumulation of impurity is more and more more in burner hearth, and this just needs to exclude in time, but is pressed from both sides in fuel
The bulk impurity of band is not only unable to combustion decomposition but also can block scum pipe, causes the clinker after fuel combustion to arrange in time
Remove.When boiler needs deslagging, there is very big potential safety hazard in live manual operation, and can not meet the stable operation of boiler
Parameter, operating condition is caused to deteriorate.For that can eliminate manually-operated potential safety hazard and ensure deslagging appropriate in time, ensure pot
Stove stable operation, as the purpose for developing this equipment.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the present invention provides a kind of biomass direct-combustion boiler pulse slag-draining device, effectively realizes
The online deslagging of biomass direct-fired CFB Boiler Operation, the device of substitution manual operation deslagging, reduce manpower and materials, carry
High workload efficiency.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of biomass direct-combustion boiler pulse
Formula slag-draining device, the slag-draining device include scum pipe, and the scum pipe connects with the slag-drip opening of recirculating fluidized bed bottom, described
Recirculating fluidized bed bottom side is provided with rapping air cannon device；Several loosening conveying source of the gas machines are provided with the middle part of the scum pipe
Structure, the exit of the deslagging bottom of the tube are provided with gas control retaining device.
As the further optimization of this programme, the rapping air cannon device includes compressed air piping, magnetic valve A and sky
Gas big gun generating means, the magnetic valve A and air bubble generating means are connected by compressed air piping with recirculating fluidized bed bottom,
The air bubble generating means is arranged between magnetic valve A and recirculating fluidized bed bottom.
First is provided with as the further optimization of this programme, in the middle part of the scum pipe and loosens conveying source of the gas mechanism, the second pine
Dynamic conveying source of the gas mechanism and the 3rd loosens conveying source of the gas mechanism, and the first loosening conveying source of the gas mechanism, second loosen conveying gas
Source mechanism and the 3rd loosening conveying source of the gas mechanism are axially uniformly arranged along scum pipe.
As the further optimization of this programme, described first loosens conveying source of the gas mechanism, the second loosening conveying source of the gas mechanism
Loosening conveying source of the gas mechanism with the 3rd includes loosening conveying gas source pipe, and the conveying gas source pipe that loosens connects with scum pipe
Connect, the described first loosening for loosening conveying source of the gas mechanism, which conveys, is provided with magnetic valve B, the second loosening conveying on gas source pipe
Magnetic valve C is provided with the loosening conveying gas source pipe of source of the gas mechanism, the described 3rd loosening for loosening conveying source of the gas mechanism conveys
Magnetic valve D is provided with gas source pipe.
As the further optimization of this programme, the gas control retaining device includes gas control baffle plate, the gas control baffle plate setting
In the exit of deslagging bottom of the tube, the scum pipe bottom side is additionally provided with cylinder, and the cylinder controls gas control baffle plate folding, institute
State and appendix is connected with cylinder, the appendix is provided with magnetic valve E.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of biomass direct-combustion boiler bottom pulse slag-draining device, possesses following
Beneficial effect；
(1) present invention is novel in design, the rapping air cannon device of design can effectively disperse with shatter various fuel
The impurity of entrainment so that deslagging granularity is significantly smaller than deslagging pipe diameter, meets normal deslagging demand, reduces Combustion Operation of Boilers
Vibration frequency, improving combustion efficiency and security are greatly saved energy consumption.
(2) present invention is simple in construction, easy to manufacture, it is possible to achieve biomass direct-fired CFB Boiler Operation is online
Deslagging, the substitution operation such as manual operation deslagging, reduce manpower and materials, improve operating efficiency, there is preferable market prospects, suitable
Promote.
Brief description of the drawings
The present invention is further illustrated below in conjunction with accompanying drawing；
Fig. 1 is schematic structural view of the invention；
In figure：1st, fluid bed bed surface LIFT, 2, slag-drip opening, 3, tamper, 4, air bubble generating means, 5, compressed air
Pipeline, 6, magnetic valve A, 7, magnetic valve B, 8, loosen conveying gas source pipe, 9, magnetic valve C, 10, scum pipe, 11, gas control baffle plate,
12nd, cylinder, 13, appendix, 14, magnetic valve E.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1, a kind of biomass direct-combustion boiler pulsed slag-draining device are refer to, the slag-draining device includes scum pipe 10,
The slag-drip opening 2 of scum pipe and the recirculating fluidized bed bottom connects, and the recirculating fluidized bed bottom side is provided with rapping air bubble
Device；Several loosening conveying source of the gas mechanisms are provided with the middle part of the scum pipe, the exit of the deslagging bottom of the tube is provided with gas
Retaining device is controlled, the recirculating fluidized bed is fixed by fluid bed bed surface LIFT 1.
As the further optimization of this programme, the rapping air cannon device include compressed air piping 5, magnetic valve A6 and
Air bubble generating means 4, the magnetic valve A and air bubble generating means are connected by compressed air piping and recirculating fluidized bed bottom
Connect, the air bubble generating means is arranged between magnetic valve A and recirculating fluidized bed bottom.
First is provided with as the further optimization of this programme, in the middle part of the scum pipe and loosens conveying source of the gas mechanism, the second pine
Dynamic conveying source of the gas mechanism and the 3rd loosens conveying source of the gas mechanism, and the first loosening conveying source of the gas mechanism, second loosen conveying gas
Source mechanism and the 3rd loosening conveying source of the gas mechanism are axially uniformly arranged along scum pipe.
As the further optimization of this programme, described first loosens conveying source of the gas mechanism, the second loosening conveying source of the gas mechanism
Loosening conveying source of the gas mechanism with the 3rd includes loosening conveying gas source pipe 8, described to loosen conveying gas source pipe and scum pipe
Connection, the described first loosening for loosening conveying source of the gas mechanism, which conveys, is provided with magnetic valve B7, second loosening on gas source pipe
Magnetic valve C9, the 3rd loosening conveying source of the gas mechanism loosening are provided with the loosening conveying gas source pipe of conveying source of the gas mechanism
Magnetic valve D is provided with conveying gas source pipe.
As the further optimization of this programme, the gas control retaining device includes gas control baffle plate 11, and the gas control baffle plate is set
Put in the exit of deslagging bottom of the tube, the scum pipe bottom side is additionally provided with cylinder 12, and the cylinder control gas control baffle plate is opened
Close, be connected with appendix 13 on the cylinder, the appendix is provided with magnetic valve E14.
Specifically used process：In boiler normal operation, tamper 3 is deposited in fluid bed bed surface slag-drip opening, causes in burner hearth
Bed pressure rise, influences boiler operatiopn safety and efficiency.If removing tamper not in time to be possible to cause burner hearth flue gas anti-channeling,
Influence the personnel of feed hopper and the safety of equipment material.As long as now starting present apparatus automatic control system, whole device action
Process will realize remote control automatic discharge function according to the program execution process of setting.
Action process is magnetic valve E is opened scum pipe exit by inputting compressed air (0.3-0.5MPA) first
Gas control baffle plate, then open the loosening conveying gas source pipe mechanism in the middle part of deslagging house steward, magnetic valve BCD tri- starts simultaneously,
Compressed air (0.8- 1.0MPA) is passed through to purge the dust stratification of deslagging inner manifold totally.After emptying in reverse order successively
Close the gas control baffle plate for loosening conveying source of the gas and scum pipe exit.Next magnetic valve A is automatically turned on to fill to air bubble
Input compressed air (0.8-1.0MPA) is put, sequence auto-action when reaching setting pressure in air bubble generating means, to fluidisation
Accumulated plugging debris at bed slag-drip opening carries out rapping and pulse loosens, and makes the broken little particle debris together with accumulation of larger particles
Together fallen along scum pipe.The gas control baffle plate of next step scum pipe outlet is opened, and it is empty that magnetic valve BCD then acts input compression
Gas (0.8-1.0MPA) implements Geldart-D particle function to the material of whereabouts.Make the bulk impurity in burner hearth smooth and arranged from scum pipe
Go out, ensure the stable normal operation of boiler.
If the more situation of tamper, above procedure can set multiplicating action.
In addition, if stopping state do not occur for the fuel entrainment less deslagging house steward of impurity, the scum pipe exit on device
Gas control baffle plate can realize that single movement carries out remote control automatic discharge.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
- A kind of 1. biomass direct-combustion boiler pulsed slag-draining device, it is characterised in that the slag-draining device includes scum pipe (10), Slag-drip opening (2) connection of scum pipe and the recirculating fluidized bed bottom, the recirculating fluidized bed bottom side are provided with rapping air Gun device；Several loosening conveying source of the gas mechanisms are provided with the middle part of the scum pipe, the exit of the deslagging bottom of the tube is provided with Gas control retaining device.
- A kind of 2. biomass direct-combustion boiler pulsed slag-draining device according to claim 1, it is characterised in that the rapping Air cannon device includes compressed air piping (5), magnetic valve A (6) and air bubble generating means (4), the magnetic valve A and air Big gun generating means is connected by compressed air piping with recirculating fluidized bed bottom, and the air bubble generating means is arranged on magnetic valve Between A and recirculating fluidized bed bottom.
- A kind of 3. biomass direct-combustion boiler pulsed slag-draining device according to claim 2, it is characterised in that the deslagging Loosened in the middle part of pipe provided with first and convey source of the gas mechanism, the second loosening conveying source of the gas mechanism and the 3rd loosening conveying source of the gas mechanism, institute State the first loosening conveying source of the gas mechanism, the second loosening conveying source of the gas mechanism and the 3rd loosens conveying source of the gas mechanism along scum pipe axial direction It is uniformly arranged.
- 4. a kind of biomass direct-combustion boiler pulsed slag-draining device according to claim 3, it is characterised in that described first Loosening conveying source of the gas mechanism, the second loosening conveying source of the gas mechanism and the 3rd loosening conveying source of the gas mechanism includes loosening conveying source of the gas Pipeline (8), the conveying gas source pipe that loosens connect with scum pipe, and described first loosens the loosening conveying of conveying source of the gas mechanism Magnetic valve B (7) is provided with gas source pipe, the described second loosening for loosening conveying source of the gas mechanism is conveyed and is provided with gas source pipe Magnetic valve C (9), the described 3rd loosen is provided with magnetic valve D on the loosening conveying gas source pipe of conveying source of the gas mechanism.
- A kind of 5. biomass direct-combustion boiler pulsed slag-draining device according to claim 4, it is characterised in that the gas control Retaining device includes gas control baffle plate (11), and the gas control baffle plate setting is in the exit of deslagging bottom of the tube, the deslagging bottom of the tube Side is additionally provided with cylinder (12), and the cylinder controls gas control baffle plate folding, appendix (13) is connected with the cylinder, described defeated Tracheae is provided with magnetic valve E (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416916.4U CN206973536U (en) | 2017-04-20 | 2017-04-20 | A kind of biomass direct-combustion boiler pulsed slag-draining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416916.4U CN206973536U (en) | 2017-04-20 | 2017-04-20 | A kind of biomass direct-combustion boiler pulsed slag-draining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973536U true CN206973536U (en) | 2018-02-06 |
Family
ID=61412474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720416916.4U Expired - Fee Related CN206973536U (en) | 2017-04-20 | 2017-04-20 | A kind of biomass direct-combustion boiler pulsed slag-draining device |
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| CN (1) | CN206973536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730966A (en) * | 2017-04-20 | 2018-11-02 | 中节能(宿迁)生物质能发电有限公司 | A kind of biomass direct-combustion boiler pulsed slag-draining device |
-
2017
- 2017-04-20 CN CN201720416916.4U patent/CN206973536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730966A (en) * | 2017-04-20 | 2018-11-02 | 中节能(宿迁)生物质能发电有限公司 | A kind of biomass direct-combustion boiler pulsed slag-draining device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20210420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |