CN207035197U - A kind of feed mechanism for boiler - Google Patents
A kind of feed mechanism for boiler Download PDFInfo
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- CN207035197U CN207035197U CN201720974992.7U CN201720974992U CN207035197U CN 207035197 U CN207035197 U CN 207035197U CN 201720974992 U CN201720974992 U CN 201720974992U CN 207035197 U CN207035197 U CN 207035197U
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- Prior art keywords
- discharge nozzle
- pipe
- conveying pipeline
- blast pipe
- feed mechanism
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Abstract
The utility model discloses a kind of feed mechanism for boiler, the storage bin of feeder sleeve is connected with including lower end, connect the conveying pipeline of feeder sleeve, conveying pipeline is connected back to the discharge nozzle of storage bin one end, the screw feeding bar for coal dust to be transferred to discharge nozzle from storage bin is rotatably connected in the conveying pipeline, described screw feeding bar one end is provided with motor, the discharge nozzle lower end direction is inclined to set back to storage bin one end, and the discharge nozzle both ends are fed through conveying pipeline, the discharge nozzle upper end is provided with the first blast pipe, it is axially arranged with the second blast pipe along conveying pipeline in the middle part of the discharging pipe outer wall, blower fan is equipped with first blast pipe and the second blast pipe.First blast pipe air intake, increases the pressure in conveying pipeline, has a pushing force to coal dust, coal dust is more smoothly left discharge nozzle, reduces the probability of discharging blockage, it more stable can be smoothly fed to boiler.
Description
Technical field
It the utility model is related to boiler combustion system, and in particular to a kind of feed mechanism for boiler.
Background technology
Boiler is an indispensable equipment in many productions for needing to use steam, by burning fuel, so as to
Steam is evaporated, for producing.The storage bin for providing fuel can be placed by boiler.
Such as the patent that patent is 200520002169.7, it which disclose one kind and uniformly supply coal dust device, including：One storage
Coal bunker；One conveying pipeline, the radially connected coal store of its import；One motor driven gives coal spiral, and it is arranged on the conveying
In pipe；One material blanking tube, its import are connected to the outlet of the conveying pipeline；One blower fan, it is arranged on the lower section of the conveying pipeline；One
The airduct of regulating valve is provided with, its one end connects the air outlet of the blower fan, and the other end is in circular arc, and is in the material blanking tube
It is tangentially connected.
Rotated to coal spiral under the drive of motor, the coal dust in coal store continuously rotated to the end for delivering to conveying pipeline,
And fall into material blanking tube, because blower fan is by air duct blow, therefore falls into the coal dust in material blanking tube and on the one hand fallen under deadweight,
On the other hand fallen by the drainage of blast, thus it is highly uniform to the feed of burner, reduce the probability of blocking.
In actual use, due to coal charge be directly and sludge mix and be stored in coal store, therefore in coal charge containing compared with
Juicy, only carries out blowing that anti-clogging effect is poor, and material blanking tube can still block using unidirectional wind to it.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of feeder for boiler
Structure, the probability of discharging blockage can be reduced, make feed more smooth.
To achieve the above object, the utility model provides following technical scheme：
A kind of feed mechanism for boiler, including lower end are connected with the storage bin of feeder sleeve, connect the conveying of feeder sleeve
Pipe, connection conveying pipeline back to storage bin one end discharge nozzle, be rotatably connected in the conveying pipeline for by coal dust from storage bin
The screw feeding bar of discharge nozzle is transferred to, described screw feeding bar one end is provided with motor, the discharge nozzle lower end direction back of the body
Storage bin one end is inclined to set, and the discharge nozzle both ends are fed through conveying pipeline, the discharge nozzle upper end is provided with first
Blast pipe, the discharging pipe outer wall middle part are axially arranged with the second blast pipe, first blast pipe and the second air intake along conveying pipeline
Blower fan is equipped with pipe.
By using above-mentioned technical proposal, in feed, coal dust is entered in conveying pipeline by feeder sleeve, in screw feeding bar
Conveying be issued to above discharge nozzle, then leave out coal dust its air pressure motive force by deadweight and the second blast pipe
Expects pipe, enter in boiler.First blast pipe air intake simultaneously, increases the pressure in conveying pipeline, there is a pushing force to coal dust,
Coal dust is more smoothly left discharge nozzle, reduce the probability of discharging blockage, it more stable can be smoothly fed to pot
Stove.
It is of the present utility model to be further arranged to：The first blast pipe edge is horizontally disposed, and first blast pipe pair
The blower fan answered is fixedly installed in conveying pipe outer wall.
By using above-mentioned technical proposal, blower fan has a certain degree of shake in operation, conveying pipeline can be driven to send out
Raw slight vibrations, so as to reduce the amount that coal dust is remained in conveying pipeline, make full use of resource.Also reduce discharging blockage
Possibility.
It is of the present utility model to be further arranged to：The discharge nozzle lower end is connected with for connecting boiler in the horizontal direction
Feed pipe, the feed pipe are axially arranged with the 3rd blast pipe along it close to discharge nozzle one end, also are provided with the 3rd blast pipe
Blower fan.
By using above-mentioned technical proposal, feed pipe is horizontally disposed, easily it can be made to be welded and fixed with boiler,
Facilitate the connection between discharge nozzle and boiler.Blower fan has a motive force in the horizontal direction to coal dust, coal dust is passed through
Feed pipe is smoothly entered in boiler, reduces the probability of blocking.
It is of the present utility model to be further arranged to：Discharge nozzle and the feed pipe angle is more than 45 °.
By using above-mentioned technical proposal, coal dust is set to have enough component to be dropped down onto along discharge nozzle axle in feed pipe,
Reduce the probability of discharging blockage.
It is of the present utility model to be further arranged to：The storage bin side is provided with the lime silo of pulverized limestone, institute
State lime silo lower end and be connected with batching pipe, the batching pipe connects conveying pipeline back to discharge nozzle one end.
By using above-mentioned technical proposal, pulverized limestone and coal dust are fed in conveying pipeline simultaneously, in screw feeding bar
Effect is lower to be mixed, and the moisture in coal dust is reduced, so as to reduce the probability of discharging blockage.
It is of the present utility model to be further arranged to：The first adjustable plate is embedded with the feeder sleeve, the batching pipe embeds
Provided with the second adjustable plate, adjustment axis is provided between first adjustable plate and the second adjustable plate, the adjustment axis is fed through feed
Pipe, the first adjustable plate, batching pipe and the second adjustable plate, and the first adjustable plate and the second adjustable plate are fixed on, the adjustment axis is determined
Position is rotationally connected with feeder sleeve and batching pipe.
By using above-mentioned technical proposal, adjustment axis can be rotated according to the demand to coal dust, obtain the inlet amount of coal dust
To regulation, the inlet amount of pulverized limestone can be synchronously changed, it is ensured that the ratio when ratio of pulverized limestone and coal dust is initially sets,
So that coal dust is more dried, the probability of discharging blockage is reduced.
It is of the present utility model to be further arranged to：The adjustment axis fixed sleeves are provided with first gear, the first gear
Side is engaged with second gear, is rotated coaxially in the second gear and is connected with the rotary shaft for being fixed on feeder sleeve, the regulation
Axle outer wall is radially installed with force application rod.
By using above-mentioned technical proposal, adjustment axis can be rotated by force application rod, facilitate the regulation to coal dust inlet amount.
Second gear has a spacing brake force to first gear, and when not exerted a force to adjustment axis, second gear can make first gear phase
Feeder sleeve is fixed, so that adjustment axis is fixed.Reducing inertia during due to regulation and the maloperation after regulation causes
The probability that coal input quantity changes.
It is of the present utility model to be further arranged to：The force application rod is threadedly connected to adjustment axis.
By using above-mentioned technical proposal, adjustment axis is backed out after regulation, so as to reduce regulation after due to
Maloperation to force application rod causes the probability that coal input quantity changes.
It is of the present utility model to be further arranged to：The feed pipe outer wall is provided with mounting blocks, is offered on the mounting blocks
Holding tank, the first gear and second gear are embedded in holding tank.
By using above-mentioned technical proposal, first gear and second gear are protected, reduces and is finished in regulation
Afterwards, because maloperation exerts a force to first gear or second gear, the probability for causing coal input quantity to change.
The utility model has advantages below：Reduce the probability of discharging blockage；Make the coal dust into boiler more dry
It is dry, contribute to the burning of coal dust.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the partial schematic diagram of embodiment；
Fig. 3 is the sectional view of embodiment.
Reference：1st, storage bin；2nd, lime silo；3rd, conveying pipeline；4th, discharge nozzle；5th, feeder sleeve；6th, batching pipe；7th, first
Adjustable plate；8th, the second adjustable plate；9th, adjustment axis；10th, mounting blocks；11st, holding tank；12nd, first gear；13rd, second gear；14、
Rotary shaft；15th, force application rod；16th, screw feeding bar；17th, motor；18th, feed pipe；19th, the first blast pipe；20th, blower fan；
21st, the second blast pipe；22nd, the 3rd blast pipe.
Embodiment
The utility model is described further referring to the drawings.
As shown in figure 1, a kind of feed mechanism for boiler, including for saving the storage bin 1 of coal dust and for saving
The lime silo 2 of pulverized limestone.Lime silo 2 is located at the side of storage bin 1.The lower section of storage bin 1, which is provided with, is used to transmitting coal dust and pulverized limestone
Conveying pipeline 3, conveying pipeline 3 are provided with discharge nozzle 4 back to the one end of storage bin 1, and discharge nozzle 4 discharges coal dust into boiler.
As shown in figure 1, the lower end of storage bin 1 is vertically connected with feeder sleeve 5, the lower end of lime silo 2 vertically connects
It is connected to batching pipe 6.As shown in Figures 2 and 3, the first adjustable plate 7 is embedded with feeder sleeve 5, the second regulation is embedded with batching pipe 6
Plate 8.Be provided with adjustment axis 9 between first adjustable plate 7 and the second adjustable plate 8, adjustment axis 9 be fed through feeder sleeve 5, the first adjustable plate 7,
The adjustable plate 8 of batching pipe 6 and second, and it is fixed on the first adjustable plate 7 and the second adjustable plate 8.Adjustment axis 9 is rotationally connected with feeder sleeve
5 and batching pipe 6, so that the first adjustable plate 7 is rotationally connected with feeder sleeve 5, the second adjustable plate 8 is rotationally connected with batching pipe 6.
As shown in Figures 2 and 3, the outer wall of feeder sleeve 5 is installed with mounting blocks 10, and adjustment axis 9 is fed through mounting blocks 10 and rotated
Mounting blocks 10 are connected to, holding tank 11 is offered on mounting blocks 10.As shown in Fig. 2 the fixed sleeves of adjustment axis 9 are provided with first gear
12, the side of first gear 12 is engaged with second gear 13, is rotated coaxially in second gear 13 and is connected with rotary shaft 14, rotary shaft 14
It is in axial restraint with second gear 13, rotary shaft 14 is fixed on mounting blocks 10.First gear 12 and second gear 13 are embedded at appearance
Receive in groove 11.The outer wall of adjustment axis 9 is radially installed with force application rod 15, and force application rod 15 is threadedly connected to adjustment axis 9.
As shown in figure 1, conveying pipeline 3 is horizontally disposed, feeder sleeve 5 is located at the one end of conveying pipeline 3 with batching pipe 6 and connected
Feeder sleeve 5 and batching pipe 6.Screw feeding bar 16 is rotatably connected in conveying pipeline 3, screw feeding bar 16 is close to the one end of storage bin 1
It is fed through conveying pipeline 3 and is rotationally connected with conveying pipeline 3.The one end of screw feeding bar 16 is coaxially installed with motor 17, driving electricity
Machine 17 is fixedly installed in conveying pipeline 3.Motor 17 can drive screw feeding bar 16 to rotate, and coal dust and pulverized limestone are mixed forward
Transport.
As shown in figure 1, the lower end of discharge nozzle 4 is connected with feed pipe 18 in the horizontal direction, feed pipe 18 can connect boiler.Discharging
Pipe 4 and the angle of feed pipe 18 are more than 45 °.
As shown in figure 1, the upper end outer wall of discharge nozzle 4 is provided with the first blast pipe 19, the first blast pipe 19 is along horizontally disposed.First
Blower fan 20 is provided with blast pipe 19, and blower fan 20 corresponding to the first blast pipe 19 is fixedly installed in the outer wall of conveying pipeline 3.Discharge nozzle 4
Outer wall is axially arranged with the second blast pipe 21 along conveying pipeline 3, and feed pipe 18 is axially arranged with the 3rd air intake close to the one end of discharge nozzle 4 along it
Pipe 22, blower fan 20 is also equipped with the second blast pipe 21 and the 3rd blast pipe 22.
The principle of the feed mechanism is as follows：
1 at the same force application rod 15 rotate adjustment axis 9, that will produce coal, speed is adjusted to aequum, backs out force application rod 15；
2nd, motor 17 drives screw feeding bar 16 to rotate, and coal dust and pulverized limestone are mixed, transported on discharge nozzle 4
Side；
3rd, there is one to coal dust towards boiler by the blast of the second blast pipe 21 and the 3rd blast pipe 22, along level side
To thrust, and then coal dust is moved along discharge nozzle 4 and feed pipe 18, until it is transported in boiler；
The first blast pipe 19 increases the pressure of conveying pipeline 3 simultaneously, can give coal dust one and be pushed away along what discharge nozzle 4 moved
Power, and then coal dust more smoothly can be moved towards boiler, reduce the possibility of the blocking of discharge nozzle 4.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of feed mechanism for boiler, including lower end are connected with feeder sleeve（5）Storage bin（1）, connection feeder sleeve（5）
Conveying pipeline（3）, connection conveying pipeline（3）Back to storage bin（1）The discharge nozzle of one end（4）, the conveying pipeline（3）Interior rotation connection
Have for by coal dust from storage bin（1）It is transferred to discharge nozzle（4）Screw feeding bar（16）, the screw feeding bar（16）One end
Provided with motor（17）, it is characterized in that：The discharge nozzle（4）Lower end is towards back to storage bin（1）One end is inclined to set, and
The discharge nozzle（4）Both ends are fed through conveying pipeline（3）, the discharge nozzle（4）Upper end is provided with the first blast pipe（19）, it is described go out
Expects pipe（4）Along conveying pipeline in the middle part of outer wall（3）It is axially arranged with the second blast pipe（21）, first blast pipe（19）With the second air intake
Pipe（21）Inside it is equipped with blower fan（20）.
2. a kind of feed mechanism for boiler according to claim 1, it is characterized in that：First blast pipe（19）
Edge is horizontally disposed, and first blast pipe（19）Corresponding blower fan（20）It is fixedly installed in conveying pipeline（3）Outer wall.
3. a kind of feed mechanism for boiler according to claim 2, it is characterized in that：The discharge nozzle（4）Lower end edge
Horizontal direction is connected with the feed pipe for connecting boiler（18）, the feed pipe（18）Close to discharge nozzle（4）One end is along its axle
To provided with the 3rd blast pipe（22）, the 3rd blast pipe（22）Inside it also is provided with blower fan（20）.
4. a kind of feed mechanism for boiler according to claim 3, it is characterized in that：The discharge nozzle（4）And charging
Pipe（18）Angle is more than 45 °.
5. a kind of feed mechanism for boiler according to claim 4, it is characterized in that：The storage bin（1）Side is set
There is the lime silo for providing pulverized limestone（2）, the lime silo（2）Lower end is connected with batching pipe（6）, the batching pipe（6）Even
Logical conveying pipeline（3）Back to discharge nozzle（4）One end.
6. a kind of feed mechanism for boiler according to claim 5, it is characterized in that：The feeder sleeve（5）Inside it is embedded
There is the first adjustable plate（7）, the batching pipe（6）Inside it is embedded with the second adjustable plate（8）, first adjustable plate（7）Adjusted with second
Save plate（8）Between be provided with adjustment axis（9）, the adjustment axis（9）It is fed through feeder sleeve（5）, the first adjustable plate（7）, batching pipe（6）
With the second adjustable plate（8）, and it is fixed on the first adjustable plate（7）With the second adjustable plate（8）, the adjustment axis（9）Locating rotation connects
It is connected to feeder sleeve（5）And batching pipe（6）.
7. a kind of feed mechanism for boiler according to claim 6, it is characterized in that：The adjustment axis（9）Outer fixation
It is arranged with first gear（12）, the first gear（12）Side is engaged with second gear（13）, the second gear（13）On
Rotate coaxially to be connected with and be fixed on feeder sleeve（5）Rotary shaft（14）, the adjustment axis（9）Outer wall is radially installed with force
Bar（15）.
8. a kind of feed mechanism for boiler according to claim 7, it is characterized in that：The force application rod（15）Screw thread connects
It is connected to adjustment axis（9）.
9. a kind of feed mechanism for boiler according to claim 8, it is characterized in that：The feeder sleeve（5）Outer wall is set
There are mounting blocks（10）, the mounting blocks（10）On offer holding tank（11）, the first gear（12）And second gear（13）
It is embedded at holding tank（11）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720974992.7U CN207035197U (en) | 2017-08-05 | 2017-08-05 | A kind of feed mechanism for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720974992.7U CN207035197U (en) | 2017-08-05 | 2017-08-05 | A kind of feed mechanism for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035197U true CN207035197U (en) | 2018-02-23 |
Family
ID=61474319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720974992.7U Expired - Fee Related CN207035197U (en) | 2017-08-05 | 2017-08-05 | A kind of feed mechanism for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207035197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397945A (en) * | 2019-07-31 | 2019-11-01 | 张家港市昇泰能源有限公司 | A kind of biomass power generation feeding conveying equipment |
| CN118623306A (en) * | 2024-08-09 | 2024-09-10 | 中国电建集团山东电力建设第一工程有限公司 | A high-efficiency circulating fluidized bed boiler burning low calorific value fuel |
-
2017
- 2017-08-05 CN CN201720974992.7U patent/CN207035197U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397945A (en) * | 2019-07-31 | 2019-11-01 | 张家港市昇泰能源有限公司 | A kind of biomass power generation feeding conveying equipment |
| CN110397945B (en) * | 2019-07-31 | 2024-04-12 | 张家港市昇泰能源有限公司 | Biomass power generation feeding conveying equipment |
| CN118623306A (en) * | 2024-08-09 | 2024-09-10 | 中国电建集团山东电力建设第一工程有限公司 | A high-efficiency circulating fluidized bed boiler burning low calorific value fuel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200805 |