CN206739281U - It is a kind of suitable for fluid bed without blocking coal feeder - Google Patents
It is a kind of suitable for fluid bed without blocking coal feeder Download PDFInfo
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- CN206739281U CN206739281U CN201720609705.2U CN201720609705U CN206739281U CN 206739281 U CN206739281 U CN 206739281U CN 201720609705 U CN201720609705 U CN 201720609705U CN 206739281 U CN206739281 U CN 206739281U
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- fluid bed
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- pressure
- coal feeder
- charging aperture
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Abstract
The utility model discloses it is a kind of suitable for fluid bed without blocking coal feeder, including sealed batcher, it is provided with sealed batcher discharging opening fuel drop point moving fluid bed, upper end side is provided with the inclined charging aperture pipe of connection body of heater, the relative moving fluid bed outside in charging aperture pipe upper end is provided with pressure coal cold wind mouth and upper end is arranged above negative-pressure pipeline, charging aperture pipe lower end, which is provided with, sows air port, moving fluid bed bottom is provided with fluidisation airduct, it is in parallel with fluidisation airduct by pipeline to sow air port, fluidisation airduct is connected to the high-pressure hot wind outlet of preheater；The utility model can hold up to fuel and break up, dry, reduce the caking property of fuel, realize that fuel will not be accumulated in drop point, fuel is sent out by moving fluid bed interior orientation blast cap and fluidization hood and negative pressure collective effect, its outlet fuel is changed into loose type, discharging opening coal sliding tube is entered back into, burner hearth entrance is entered with the help of descending airflow, is shed uniformly in the case where sowing wind effect.
Description
Technical field
The utility model belongs to fluidized bed combustion equipment technical field, and in particular to it is a kind of suitable for fluid bed without blocking
Coal feeder.
Background technology
The charging gear of existing fluidized bed combustion equipment, which enters, uses coal sliding tube structure at stove, its section is using square or circle
Shape, this structure can't blockage phenomenons for the less fuel of moisture and the fuel of weak caking property, equal normal operation.But
Southern area rainwater is more, and some users cause fuel moisture more without dry fuel canopy, and moisture content of coal itself is more simultaneously in coal washery
Containing the stronger coal slime of certain caking property, some coals are because the caking property of its fine powder of reason itself is stronger；When using above-mentioned combustion
During material, coal sliding tube bonding often occurs and blocks, causes boiler plant combustion instability.
The content of the invention
The technical problems to be solved in the utility model is：There is provided it is a kind of suitable for fluid bed without blocking coal feeder, it is real
Existing fuel will not be accumulated and block in drop point, to solve bonding and blockage problem existing for existing coal sliding tube.
The technical scheme that the utility model is taken is：It is a kind of suitable for fluid bed without blocking coal feeder, including sealing
Formula batcher, is provided with sealed batcher discharging opening fuel drop point moving fluid bed, and upper end side is provided with connection body of heater
Inclined charging aperture pipe, the relative moving fluid bed outside in charging aperture pipe upper end be provided with pressure coal cold wind mouth and upper end directly over
Negative-pressure pipeline is provided with, charging aperture pipe lower end, which is provided with, sows air port, and moving fluid bed bottom is provided with fluidisation airduct, sows wind
Mouth is in parallel with fluidisation airduct by pipeline, and fluidisation airduct is connected to the high-pressure hot wind outlet of preheater.
Preferably, above-mentioned moving fluid bed top be provided with the moving fluid bed movable inclined maintenance plate of sealing and
Vertical movable dividing plate（13）.
Preferably, above-mentioned sealed batcher discharging opening is provided with blowing out baffle plate, salable sealing after the rotation of blowing out baffle plate
Formula batcher discharging opening.
Preferably, above-mentioned charging aperture ttom of pipe face is arranged to half elliptic globoidal structure.
Preferably, standby booster fan, standby booster fan air inlet/outlet are parallel with the admission line of above-mentioned fluidisation airduct
Valve is provided with the supervisor of pipeline and fluidisation airduct parallel connection section.
Preferably, above-mentioned pressure coal cold wind mouth is connected with air blower by pipeline.
Preferably, above-mentioned negative-pressure pipeline is connected with negative-pressure firing space.
Preferably, it is above-mentioned moving fluid bed to be internally provided with wind cap and fluidization hood.
The beneficial effects of the utility model：Compared with prior art, effect of the present utility model is as follows：
（1）The utility model installed at fuel drop point it is moving fluid bed, after fuel is fallen because the stop of bed,
Air port is sowed plus the picking-up effect of breaing up and the drying of hot blast and porch for pressing coal cold wind and fluid bed high velocity stream wind transmission
Effect reduces the caking property of fuel, realizes that fuel will not be accumulated in drop point, by moving fluid bed interior orientation blast cap and fluidized wind
Cap and negative pressure collective effect send out fuel, and its outlet fuel is changed into loose type, outlet coal sliding tube are entered back into, in descending airflow
Enter burner hearth entrance under helping, shed uniformly in the case where sowing wind effect.To solve what is bonded and block existing for existing coal sliding tube
Problem；
（2）The utility model uses bottom as semiellipse structure in fuel discharging opening pipe, has a down dip more than 55 degree, loose combustion
Material flows downward in the case where gravity and wind send effect, avoids discharging opening pipe bonding and clogging；
（3）The present apparatus fuel particle degree accommodation 0-6mm, 0-8mm, 0-10mm, 0-13mm, because fuel particle degree model
Change is enclosed, it is necessary to by adjusting negative-pressure balancing wind, maintains the pressure balance of the present apparatus, protects sealing feeder.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is existing boiler coal sliding tube structural representation；
Fig. 3 is A-A cross-sectional views in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described further specific embodiment.
Embodiment 1：As shown in Figure 1-Figure 3, it is a kind of suitable for fluid bed without blocking coal feeder, including sealed feed
Machine 1, moving fluid bed 4 are provided with the sealed discharging opening fuel drop point of batcher 1, upper end side is provided with connection body of heater 2
Inclined charging aperture pipe 3, relative moving fluid bed 4 outside in the upper end of charging aperture pipe 3 be provided with pressure coal cold wind mouth 5 and it is upper rectify on
Side is provided with negative-pressure pipeline 12, and negative-pressure pipeline 12 is used to balance blast, protects sealed batcher, is poured out under pressure coal cold wind mouth 5
Mouthful its gap width 10mm, serve and push down the hot blast flowed up and fuel is broken up in promotion, the lower end of charging aperture pipe 3, which is provided with, to be broadcast
Spread air port 7, moving fluid bed 4 bottom is provided with fluidisation airduct 6, and it is in parallel with fluidizing airduct 6 by pipeline to sow air port 7, sows
The updip of air port 7 exports its gap width 10mm, and fluidisation airduct 6 is connected to the high-pressure hot wind outlet 17 of preheater, and charging aperture pipe 3 enters
Mouth is tiltedly to burner hearth emulsion zone 15, and the top of burner hearth emulsion zone 15 is burner hearth dilute-phase zone 16, and the lower section of burner hearth emulsion zone 15 is air compartment 14, close
Envelope formula batcher exit upper end is provided with cooling duct 12 and direction of travel is provided with blast pipe, for providing descending airflow.
Preferably, above-mentioned moving fluid bed 4 top is provided with the movable inclined maintenance plate of sealing moving fluid bed 4
8 and vertical movable dividing plate 13, maintenance plate 8 is sealed construction, is provided by overhauling plate 8 and movable dividing plate 13
Shutdown maintenance and do not use during handling failure.
Preferably, the above-mentioned discharging opening of sealed batcher 1 is provided with blowing out baffle plate 9, and blowing out baffle plate 9 is salable close after rotating
The discharging opening of envelope formula batcher 1, blowing out baffle plate is in the case of blowing out, sealing feeder outlet.
Preferably, the above-mentioned bottom surface of charging aperture pipe 3 is arranged to half elliptic globoidal structure, has a down dip more than 55 degree, loose combustion
Material flows downward in the case where gravity and wind send effect, and polycrystalline substance can avoid accumulation and the bonding of material without angle.
Preferably, standby booster fan 10 is parallel with the admission line of above-mentioned fluidisation airduct 6, standby booster fan 10 enters
Valve is provided with the supervisor of wind pipe and fluidisation 6 section in parallel of airduct, standby booster fan is used to clear up present apparatus accumulation
Cinder and for making up negative-pressure pipeline pressure during negative-pressure pipeline insufficient pressure.
Preferably, above-mentioned pressure coal cold wind mouth 5 is connected with air blower by pipeline.
Preferably, above-mentioned negative-pressure pipeline 12 is connected with negative-pressure firing space.
Preferably, above-mentioned moving fluid bed 4 wind cap and fluidization hood, wind cap and fluidization hood are internally provided with
For the small cap structure of leakproof ash, acted on by high-pressure hot wind or pressurization hot blast, fuel is in fluidisation mobile status, until by fuel
Send out.
Use principle：After fuel is fallen, first pass through pressure coal cold wind and break up impetus, then because the stop of bed, adds
The picking-up effect of breaing up and the drying of hot blast of upper fluidisation height of bed speed fluidized wind reduce the caking property of fuel, realize that fuel will not
Accumulate, sent out fuel by moving fluid bed interior orientation blast cap and fluidization hood collective effect, its outlet fuel is changed into drop point
Loose type, discharging opening pipe is entered back into, burner hearth entrance is entered with the help of descending airflow, shed uniformly in the case where sowing wind effect.This
Device fuel particle degree accommodation 0-6mm, 0-8mm, 0-10mm, 0-13mm, because fuel particle degree range is, it is necessary to logical
Negative-pressure balancing wind is overregulated, maintains the pressure balance of the present apparatus, protects sealing feeder.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model, therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (8)
1. it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Including sealed batcher（1）, it is sealed
Batcher（1）It is provided with discharging opening fuel drop point moving fluid bed（4）, upper end side is provided with connection body of heater（2）Inclination
Charging aperture pipe（3）, charging aperture pipe（3）Relative moving fluid bed in upper end（4）Outside is provided with pressure coal cold wind mouth（5）And upper end
It is arranged above negative-pressure pipeline（11）, charging aperture pipe（3）Lower end, which is provided with, sows air port（7）, it is moving fluid bed（4）Bottom is set
It is equipped with fluidisation airduct（6）, sow air port（7）Pass through pipeline and fluidisation airduct（6）Parallel connection, fluidize airduct（6）It is connected to preheater
High-pressure hot wind outlet.
2. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Fluidisation movement
Bed（4）It is moving fluid bed that top is provided with sealing（4）Movable inclined maintenance plate（8）With vertical movable dividing plate
（13）.
3. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：It is sealed to give
Material machine（1）Discharging opening is provided with blowing out baffle plate（9）, blowing out baffle plate（9）Salable sealed batcher after rotation（1）Discharging opening.
4. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Charging aperture pipe
（3）Bottom surface is arranged to half elliptic globoidal structure.
5. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Fluidize airduct
（6）Admission line on be parallel with standby booster fan（10）, standby booster fan（10）Air inlet/outlet pipeline and fluidisation airduct（6）
Valve is provided with the supervisor of section in parallel.
6. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Press coal cold wind
Mouthful（5）Air blower is connected with by pipeline.
7. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Negative-pressure pipeline
（11）It is connected with negative-pressure firing space.
8. it is according to claim 1 it is a kind of suitable for fluid bed without blocking coal feeder, it is characterised in that：Fluidisation movement
Bed（4）It is internally provided with wind cap and fluidization hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609705.2U CN206739281U (en) | 2017-05-27 | 2017-05-27 | It is a kind of suitable for fluid bed without blocking coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609705.2U CN206739281U (en) | 2017-05-27 | 2017-05-27 | It is a kind of suitable for fluid bed without blocking coal feeder |
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| Publication Number | Publication Date |
|---|---|
| CN206739281U true CN206739281U (en) | 2017-12-12 |
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ID=60569052
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720609705.2U Active CN206739281U (en) | 2017-05-27 | 2017-05-27 | It is a kind of suitable for fluid bed without blocking coal feeder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062208A (en) * | 2017-05-27 | 2017-08-18 | 贵州新能源开发投资股份有限公司 | It is a kind of suitable for fluid bed Wu Du Sai Give device for coal |
-
2017
- 2017-05-27 CN CN201720609705.2U patent/CN206739281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062208A (en) * | 2017-05-27 | 2017-08-18 | 贵州新能源开发投资股份有限公司 | It is a kind of suitable for fluid bed Wu Du Sai Give device for coal |
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