CN205717281U - Pulverized coal carried by hot air high efficiency boiler emission reduction device - Google Patents
Pulverized coal carried by hot air high efficiency boiler emission reduction device Download PDFInfo
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- CN205717281U CN205717281U CN201620389155.3U CN201620389155U CN205717281U CN 205717281 U CN205717281 U CN 205717281U CN 201620389155 U CN201620389155 U CN 201620389155U CN 205717281 U CN205717281 U CN 205717281U
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- coal
- boiler
- pulverized coal
- pulverized
- pipeline
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Abstract
The utility model discloses a kind of pulverized coal carried by hot air high efficiency boiler emission reduction device, including coal feedstock transportation mechanism, coal dust separating mechanism, mill exhauster, boiler, Pulverized Coal Bin and first, second and third airduct, also include sack cleaner and spiral powder conveying machine, described third time airduct is connected with described sack cleaner, being installed with lock gate hatch and regulation door between described third time airduct and described sack cleaner, described spiral powder conveying machine is connected between described sack cleaner and described Pulverized Coal Bin；Also include boiler dust remover, air-introduced machine and chimney, described boiler is connected with described boiler dust remover by pipeline, described sack cleaner is provided with a blast pipe road, and described blast pipe road is connected on described boiler dust remover, and described air-introduced machine is connected between described boiler dust remover and described chimney.This pulverized coal carried by hot air high efficiency boiler emission reduction device can be effectively increased efficiency of combustion, reduces discharge, and economic indicator and discharge index for boiler have bigger meaning.
Description
Technical field
This utility model relates to pulverized coal carried by hot air field of boilers, particularly relates to a kind of pulverized coal carried by hot air high efficiency boiler emission reduction device.
Background technology
Joining the boiler of pulverized coal carried by hot air the ball type pulverizer system, due to the existence of a large amount of tertiary airs, the burning to boiler exists
Extremely disadvantageous impact, causes boiler economics to reduce, discharged nitrous oxides is too high, exclusion secondary wind causes cannot effective group
Knit burning etc. in stove.
The most domestic Coal-pulverizing Systems with Ball Mill also having larger proportion.The existence smoke evacuation in various degree of these boilers
The situation of temperature drift, and the situation that furnace outlet discharged nitrous oxides exceeds standard the most generally exists, major part is fired through too low nitrogen
The unit of burner transformation is the most less desirable for the effect of fall nitrogen.So transforming targetedly, either from economic benefit,
It is all that necessary carrying out is studied and practice for environmental benefit or market prospect.
Because above-mentioned defect, the design people, the most in addition research and innovation are high to founding a kind of pulverized coal carried by hot air boiler
Effect emission reduction device so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide one can improve efficiency of combustion, reduces row
The pulverized coal carried by hot air high efficiency boiler emission reduction device put.
A kind of pulverized coal carried by hot air high efficiency boiler emission reduction device that the utility model proposes, it is characterised in that: include that coal raw material is defeated
Sending mechanism, coal dust separating mechanism, mill exhauster, boiler, Pulverized Coal Bin and first, second and third airduct, described coal dust separating mechanism passes through
Pipeline is connected to be the top of described conveying coal feedstock transportation mechanism, and described Pulverized Coal Bin is connected to described coal dust by pipeline and separates
The lower section of mechanism, a fixed feed pipe in described Pulverized Coal Bin, described feed pipe is connected on described first time airduct, described row's powder
Machine is connected to the side of described coal dust separating mechanism by pipeline, and described mill exhauster is connected with described third time airduct, and described
First and second airduct is all connected with described boiler；
Also including sack cleaner and spiral powder conveying machine, described third time airduct is connected with described sack cleaner, described
Being installed with lock gate hatch and regulation door for the third time between airduct and described sack cleaner, described spiral powder conveying machine is connected to described
Between sack cleaner and described Pulverized Coal Bin；
Also including boiler dust remover, air-introduced machine and chimney, described boiler is connected with described boiler dust remover by pipeline, institute
Stating sack cleaner and be provided with a blast pipe road, described blast pipe road is connected on described boiler dust remover, and described air-introduced machine is even
It is connected between described boiler dust remover and described chimney.
As further improvement of the utility model, described coal feedstock transportation mechanism includes coal bunker, feeder and coal pulverizer,
Described feeder is connected with described coal bunker by pipeline, and described coal pulverizer is connected with described feeder by pipeline, described coal supply
Machine is positioned at the lower section of described coal bunker, and described coal pulverizer is positioned at the lower section of described feeder.
As further improvement of the utility model, described coal dust separating mechanism includes that mill separator separates with fine powder
Device, described mill separator is connected with described coal pulverizer by pipeline, and described pulverized-coal collector is divided with described coarse powder by pipeline
Connecting from device, described mill separator is positioned at the top of described coal pulverizer, and described pulverized-coal collector is put down with described mill separator
Row is arranged.
As further improvement of the utility model, described mill exhauster is connected to the upper of described pulverized-coal collector by pipeline
Side, described Pulverized Coal Bin is connected to the lower section of described pulverized-coal collector by pipeline.
As further improvement of the utility model, described feed pipe is fixedly connected on the bottom of described Pulverized Coal Bin, described
Primary air piping is positioned at the lower section of described Pulverized Coal Bin.
As further improvement of the utility model, also include that secondary air box, described secondary air box are connected to described second
On secondary airduct.
By such scheme, this utility model at least has the advantage that this pulverized coal carried by hot air high efficiency boiler emission reduction device can
Not entering participate in burning in boiler to be discharged by tertiary air, the transformation of communication pulverized coal preparation system does not change original system, permissible
Switching mutually is realized with original system.The coal dust separated by sack cleaner is transported to Pulverized Coal Bin through spiral powder conveying machine, from
And improve the utilization rate of coal dust, it is effectively increased efficiency of combustion, through purifying the weary gas of about 70 DEG C, by boiler dust remover, draws
Blower fan, chimney enter air, thus reduce discharge, and economic indicator and discharge index for boiler have bigger meaning.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model pulverized coal carried by hot air high efficiency boiler emission reduction device.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below
Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.
Embodiment: a kind of pulverized coal carried by hot air high efficiency boiler emission reduction device, including coal feedstock transportation mechanism 1, coal dust separating mechanism
2, mill exhauster 3, boiler 4, Pulverized Coal Bin 5 and first, second and third airduct 6,7,8, described coal dust separating mechanism is connected to by pipeline
Being the top of described conveying coal feedstock transportation mechanism, described Pulverized Coal Bin is connected under described coal dust separating mechanism by pipeline
Side, a fixed feed pipe 9 in described Pulverized Coal Bin, described feed pipe is connected on described first time airduct, and described mill exhauster passes through
Pipeline is connected to the side of described coal dust separating mechanism, and described mill exhauster is connected with described third time airduct, described first and second time
Airduct is all connected with described boiler；
Also include that sack cleaner 10 and spiral powder conveying machine 11, described third time airduct are connected with described sack cleaner,
Being installed with lock gate hatch 12 and regulation door 13 between described third time airduct and described sack cleaner, described spiral powder conveying machine connects
Between described sack cleaner and described Pulverized Coal Bin；
Also including boiler dust remover 14, air-introduced machine 15 and chimney 16, described boiler is by pipeline and described boiler dust remover
Connection, described sack cleaner is provided with a blast pipe road 17, and described blast pipe road is connected on described boiler dust remover, described
Air-introduced machine is connected between described boiler dust remover and described chimney.
Described coal feedstock transportation mechanism includes coal bunker 21, feeder 22 and coal pulverizer 23, described feeder by pipeline with
Described coal bunker connects, and described coal pulverizer is connected with described feeder by pipeline, and described feeder is positioned at the lower section of described coal bunker,
Described coal pulverizer is positioned at the lower section of described feeder.
Described coal dust separating mechanism includes mill separator 31 and pulverized-coal collector 32, and described mill separator passes through pipeline
Connecting with described coal pulverizer, described pulverized-coal collector is connected with described mill separator by pipeline, described mill separator position
In the top of described coal pulverizer, described pulverized-coal collector be arranged in parallel with described mill separator.
Described mill exhauster is connected to the top of described pulverized-coal collector by pipeline, and described Pulverized Coal Bin is connected to by pipeline
The lower section of described pulverized-coal collector.
Described feed pipe is fixedly connected on the bottom of described Pulverized Coal Bin, and described primary air piping is positioned under described Pulverized Coal Bin
Side.
Also include that secondary air box 18, described secondary air box are connected on described second time airduct.
Tertiary air can be discharged and not enter and participate in burning in boiler by this pulverized coal carried by hot air high efficiency boiler emission reduction device, communication
The transformation of pulverized coal preparation system does not change original system, can realize switching mutually with original system.Isolated by sack cleaner
The coal dust come is transported to Pulverized Coal Bin through spiral powder conveying machine, thus improves the utilization rate of coal dust, is effectively increased efficiency of combustion, passes through
Purify the weary gas of about 70 DEG C, enter air by boiler dust remover, air-introduced machine, chimney, thus reduce discharge, for the warp of boiler
Ji index and discharge index have bigger meaning.
The above is only preferred implementation of the present utility model, is not limited to this utility model, it is noted that
For those skilled in the art, on the premise of without departing from this utility model know-why, it is also possible to do
Going out some improvement and modification, these improve and modification also should be regarded as protection domain of the present utility model.
Claims (6)
1. a pulverized coal carried by hot air high efficiency boiler emission reduction device, it is characterised in that: include coal feedstock transportation mechanism, coal dust seperator
Structure, mill exhauster, boiler, Pulverized Coal Bin and first, second and third airduct, described coal dust separating mechanism is connected to be described by pipeline
The top of conveying coal feedstock transportation mechanism, described Pulverized Coal Bin is connected to the lower section of described coal dust separating mechanism by pipeline, described
A fixed feed pipe in Pulverized Coal Bin, described feed pipe is connected on described first time airduct, and described mill exhauster is connected by pipeline
In the side of described coal dust separating mechanism, described mill exhauster is connected with described third time airduct, described first and second airduct all with
Described boiler connects；
Also include that sack cleaner and spiral powder conveying machine, described third time airduct are connected with described sack cleaner, the described 3rd
Being installed with lock gate hatch and regulation door between secondary airduct and described sack cleaner, described spiral powder conveying machine is connected to described cloth bag and removes
Between dirt device and described Pulverized Coal Bin；
Also including boiler dust remover, air-introduced machine and chimney, described boiler is connected with described boiler dust remover by pipeline, described cloth
Bag dust collector is provided with a blast pipe road, and described blast pipe road is connected on described boiler dust remover, and described air-introduced machine is connected to
Between described boiler dust remover and described chimney.
Pulverized coal carried by hot air high efficiency boiler emission reduction device the most according to claim 1, it is characterised in that: described coal ingredient conveyor
Structure includes coal bunker, feeder and coal pulverizer, and described feeder is connected with described coal bunker by pipeline, and described coal pulverizer passes through pipeline
Connecting with described feeder, described feeder is positioned at the lower section of described coal bunker, and described coal pulverizer is positioned at the lower section of described feeder.
Pulverized coal carried by hot air high efficiency boiler emission reduction device the most according to claim 2, it is characterised in that: described coal dust separating mechanism
Including mill separator and pulverized-coal collector, described mill separator is connected with described coal pulverizer by pipeline, and described fine powder divides
Being connected with described mill separator by pipeline from device, described mill separator is positioned at the top of described coal pulverizer, described fine powder
Separator be arranged in parallel with described mill separator.
Pulverized coal carried by hot air high efficiency boiler emission reduction device the most according to claim 3, it is characterised in that: described mill exhauster is by pipe
Road is connected to the top of described pulverized-coal collector, and described Pulverized Coal Bin is connected to the lower section of described pulverized-coal collector by pipeline.
Pulverized coal carried by hot air high efficiency boiler emission reduction device the most according to claim 4, it is characterised in that: described feed pipe is fixing even
Being connected on the bottom of described Pulverized Coal Bin, described primary air piping is positioned at the lower section of described Pulverized Coal Bin.
Pulverized coal carried by hot air high efficiency boiler emission reduction device the most according to claim 5, it is characterised in that: also include secondary air box,
Described secondary air box is connected on described second time airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389155.3U CN205717281U (en) | 2016-05-03 | 2016-05-03 | Pulverized coal carried by hot air high efficiency boiler emission reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389155.3U CN205717281U (en) | 2016-05-03 | 2016-05-03 | Pulverized coal carried by hot air high efficiency boiler emission reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205717281U true CN205717281U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389155.3U Expired - Fee Related CN205717281U (en) | 2016-05-03 | 2016-05-03 | Pulverized coal carried by hot air high efficiency boiler emission reduction device |
Country Status (1)
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| CN (1) | CN205717281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726346A (en) * | 2017-11-14 | 2018-02-23 | 广东焕能科技有限公司 | A kind of energy-efficient coal dust combustion system |
| CN108980822A (en) * | 2018-07-27 | 2018-12-11 | 常州市新港热电有限公司 | A kind of low nitrogen burning coal-powder boiler and low nitrogen burning method |
-
2016
- 2016-05-03 CN CN201620389155.3U patent/CN205717281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726346A (en) * | 2017-11-14 | 2018-02-23 | 广东焕能科技有限公司 | A kind of energy-efficient coal dust combustion system |
| CN108980822A (en) * | 2018-07-27 | 2018-12-11 | 常州市新港热电有限公司 | A kind of low nitrogen burning coal-powder boiler and low nitrogen burning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee after: DATANG NORTHEAST ELECTRIC POWER TEST & RESEARCH INSTITUTE Co.,Ltd. Address before: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee before: DATANG NORTHEAST ELECTRIC POWER TEST & RESEARCH INSTITUTE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |