CN205717287U - Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus - Google Patents
Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus Download PDFInfo
- Publication number
- CN205717287U CN205717287U CN201620454163.1U CN201620454163U CN205717287U CN 205717287 U CN205717287 U CN 205717287U CN 201620454163 U CN201620454163 U CN 201620454163U CN 205717287 U CN205717287 U CN 205717287U
- Authority
- CN
- China
- Prior art keywords
- boiler
- coal
- pipeline
- control valve
- flow control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses a kind of hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, can be transported in boiler participate in burning as the medium of a kind of powder feeding using weary gas, thus improve the utilization rate of coal dust, it is effectively increased efficiency of combustion, air is entered by boiler dust remover, air-introduced machine, chimney, thus reducing discharge, economic indicator and discharge index for boiler have bigger meaning.Check the combustion case of boiler by boiler combustion detector and pass to first and second flow control valve during by inspection fructufy, the amount of feeding of coal dust is adjusted by the moment that coordinates of first and second flow control valve respectively with first and second mateiral pump, coal dust is enable to burn the most completely, avoid the waste of raw material, ensure the efficiency of combustion of boiler simultaneously, make boiler can reach combustion standard all the time.Can be preheated by the coal dust delivered in boiler by preheating device, making coal dust enter in boiler can directly burn, and then saves burning time, improves efficiency of combustion.
Description
Technical field
This utility model relates to pulverized coal carried by hot air field of boilers, particularly relates to a kind of hot blast and exhaust gas double-medium powder delivery Efficient cooker
Stove combustion apparatus.
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.
Existing pulverized coal carried by hot air boiler carries out powder feeding simply by this kind of medium of hot blast, does not has unnecessary medium to send
Powder, causes efficiency of combustion low.
Existing pulverized coal carried by hot air boiler cannot adjust the amount of feeding of coal dust in combustion at any time, and the coal dust amount of feeding is too high
Can cause burning completely, waste raw material very much, too increase cost, the too low meeting of the coal dust amount of feeding causes efficiency of combustion low,
Do not reach combustion standard.
Meanwhile, existing pulverized coal carried by hot air boiler lacks preheating, typically directly by cold coal dust during powder feeding and air-supply
It is delivered directly in boiler with cold wind so that coal dust can not directly burn, needs heating a period of time to burn completely, extend
Burning time, reduce efficiency of combustion.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of hot blast and weary gas is double is situated between
Matter powder feeding efficient boiler combustion apparatus 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
Put, automatically adjust hot blast and the exhaust gas double-medium powder delivery efficient boiler combustion apparatus of the coal dust amount of feeding.
A kind of hot blast that the utility model proposes and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that:
Including coal feedstock transportation mechanism, coal dust separating mechanism, mill exhauster, boiler, Pulverized Coal Bin, blast pipe road and first and second airduct, institute
Stating coal dust separating mechanism and being connected to by pipeline is the top of described conveying coal feedstock transportation mechanism, and described Pulverized Coal Bin passes through pipeline
Being connected to the lower section of described coal dust separating mechanism, a fixed feed pipe in described Pulverized Coal Bin, described feed pipe is connected to described
On primary air piping, described mill exhauster is connected to the side of described coal dust separating mechanism by pipeline, and described mill exhauster is weary with described
Feed channel connects, and described blast pipe road and described first and second airduct are all connected with described boiler;
Also include the first mateiral pump, first flow control valve and boiler combustion detector, described first mateiral pump and described
First flow control valve is installed on described feed pipe, and described boiler combustion detector is arranged on described boiler, described pot
Stove combustion supervision device communicates to connect with described first flow control valve, and described first flow control valve is messaging in described first and takes out material
Pump;
Also include that the second mateiral pump and second flow control valve, described second mateiral pump and described second flow control valve are equal
Being arranged on described blast pipe road, described boiler combustion detector communicates to connect with described second flow control valve, and described second
Flow control valve is messaging in described second mateiral pump;
Also include that preheating device and exhaust duct, the air outlet of described first and second airduct are both connected to described preheating device
On, described preheating device is connected with described boiler by described exhaust duct, and described exhaust duct is provided with air draught pump;
Also including boiler dust remover, air-introduced machine and chimney, described boiler is connected with described boiler dust remover by pipeline, institute
State air-introduced machine to be 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 hot blast and exhaust gas double-medium powder delivery Efficient cooker
Weary gas can be transported in boiler participate in burning by stove combustion apparatus as the medium of a kind of powder feeding, thus improves the utilization of coal dust
Rate, is effectively increased efficiency of combustion, enters air, thus reduces discharge by boiler dust remover, air-introduced machine, chimney, for pot
The economic indicator of stove and discharge index have bigger meaning.
Check the combustion case of boiler by boiler combustion detector and pass to first and second flow during by inspection fructufy
Control valve, adjusts the amount of feeding of coal dust by the moment that coordinates of first and second flow control valve respectively with first and second mateiral pump, makes
Coal dust can burn the most completely, it is to avoid the waste of raw material, ensures the efficiency of combustion of boiler simultaneously, makes boiler can reach all the time
Combustion standard.
Can be preheated by the coal dust delivered in boiler by preheating device, making coal dust enter into can be direct in boiler
Burning, and then save burning time, improve efficiency of combustion.
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 this utility model hot blast and the structural representation of exhaust gas double-medium powder delivery efficient boiler combustion apparatus.
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 hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, including coal feedstock transportation mechanism 1,
Coal dust separating mechanism 2, mill exhauster 3, boiler 4, Pulverized Coal Bin 5, blast pipe road 8 and first and second airduct 6,7, described coal dust separates
Mechanism is connected to by pipeline be the top of described conveying coal feedstock transportation mechanism, and described Pulverized Coal Bin is connected to described by pipeline
The lower section of coal dust separating mechanism, a fixed feed pipe 9 in described Pulverized Coal Bin, described feed pipe is connected to described first time airduct
On, described mill exhauster is connected to the side of described coal dust separating mechanism by pipeline, and described mill exhauster is with described blast pipe road even
Connecing, described blast pipe road is all connected with described boiler with described first and second airduct;
Also include the first mateiral pump 41, first flow control valve 42 and boiler combustion detector 43, described first mateiral pump
Being installed on described feed pipe with described first flow control valve, described boiler combustion detector is arranged on described boiler,
Described boiler combustion detector and described first flow control valve communicate to connect, and described first flow control valve is messaging in described the
One mateiral pump;
Also include that the second mateiral pump 12 and second flow control valve 13, described second mateiral pump and described second flow control
Valve is installed on described blast pipe road, and described boiler combustion detector communicates to connect with described second flow control valve, described
Second flow control valve is messaging in described second mateiral pump;
Also include that preheating device 51 and exhaust duct 52, the air outlet of described first and second airduct are both connected to described preheating
On device, described preheating device is connected with described boiler by described exhaust duct, and described exhaust duct is provided with air draught pump 53;
Also include boiler dust remover 14, air-introduced machine 15 and chimney 16, described air-introduced machine be connected to described boiler dust remover and
Between 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.
This hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus can be defeated as the medium of a kind of powder feeding using weary gas
Deliver to boiler participates in burning, thus improve the utilization rate of coal dust, be effectively increased efficiency of combustion, by boiler dust remover, draw
Blower fan, chimney enter air, thus reduce discharge, and economic indicator and discharge index for boiler have bigger meaning.
Check the combustion case of boiler by boiler combustion detector and pass to first and second flow during by inspection fructufy
Control valve, adjusts the amount of feeding of coal dust by the moment that coordinates of first and second flow control valve respectively with first and second mateiral pump, makes
Coal dust can burn the most completely, it is to avoid the waste of raw material, ensures the efficiency of combustion of boiler simultaneously, makes boiler can reach all the time
Combustion standard.
Can be preheated by the coal dust delivered in boiler by preheating device, making coal dust enter into can be direct in boiler
Burning, and then save burning time, improve efficiency of combustion.
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 hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that: include coal feedstock transportation mechanism,
Coal dust separating mechanism, mill exhauster, boiler, Pulverized Coal Bin, blast pipe road and first and second 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 blast pipe road, described weary gas
Pipeline and described first and second airduct are all connected with described boiler;
Also include the first mateiral pump, first flow control valve and boiler combustion detector, described first mateiral pump and described first
Flow control valve is installed on described feed pipe, and described boiler combustion detector is arranged on described boiler, and described boiler fires
Burning detector to communicate to connect with described first flow control valve, described first flow control valve is messaging in described first mateiral pump;
Also include that the second mateiral pump and second flow control valve, described second mateiral pump and described second flow control valve are respectively mounted
On described blast pipe road, described boiler combustion detector communicates to connect with described second flow control valve, described second flow
Control valve is messaging in described second mateiral pump;
Also include that preheating device and exhaust duct, the air outlet of described first and second airduct are both connected on described preheating device, institute
State preheating device to be connected with described boiler by described exhaust duct, described exhaust duct is provided with air draught pump;
Also including boiler dust remover, air-introduced machine and chimney, described boiler is connected with described boiler dust remover by pipeline, described in draw
Blower fan is connected between described boiler dust remover and described chimney.
Hot blast the most according to claim 1 and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that: described
Coal feedstock transportation mechanism includes coal bunker, feeder and coal pulverizer, and described feeder is connected with described coal bunker by pipeline, described mill
Coal machine is connected with described feeder by pipeline, and described feeder is positioned at the lower section of described coal bunker, and described coal pulverizer is positioned at described
The lower section of feeder.
Hot blast the most according to claim 2 and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that: described
Coal dust separating mechanism includes mill separator and pulverized-coal collector, and described mill separator is by pipeline with described coal pulverizer even
Logical, described pulverized-coal collector is connected with described mill separator by pipeline, and described mill separator is positioned at described coal pulverizer
Top, described pulverized-coal collector be arranged in parallel with described mill separator.
Hot blast the most according to claim 3 and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that: described
Mill exhauster is connected to the top of described pulverized-coal collector by pipeline, and described Pulverized Coal Bin is connected to described fine powder by pipeline and separates
The lower section of device.
Hot blast the most according to claim 4 and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that: described
Feed pipe is fixedly connected on the bottom of described Pulverized Coal Bin, and described primary air piping is positioned at the lower section of described Pulverized Coal Bin.
Hot blast the most according to claim 5 and exhaust gas double-medium powder delivery efficient boiler combustion apparatus, it is characterised in that: also wrap
Including secondary air box, described secondary air box is connected on described second time airduct.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620454163.1U CN205717287U (en) | 2016-05-18 | 2016-05-18 | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620454163.1U CN205717287U (en) | 2016-05-18 | 2016-05-18 | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205717287U true CN205717287U (en) | 2016-11-23 |
Family
ID=57299035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620454163.1U Expired - Fee Related CN205717287U (en) | 2016-05-18 | 2016-05-18 | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205717287U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108458358A (en) * | 2018-04-28 | 2018-08-28 | 中国大唐集团科学技术研究院有限公司华东分公司 | A kind of coal base distribution boiler transmission & distribution pulverized coal system |
CN117451116A (en) * | 2023-10-27 | 2024-01-26 | 上海全应科技有限公司 | Method for measuring real-time coal feeding amount of medium-storage pulverized coal furnace |
-
2016
- 2016-05-18 CN CN201620454163.1U patent/CN205717287U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108458358A (en) * | 2018-04-28 | 2018-08-28 | 中国大唐集团科学技术研究院有限公司华东分公司 | A kind of coal base distribution boiler transmission & distribution pulverized coal system |
CN117451116A (en) * | 2023-10-27 | 2024-01-26 | 上海全应科技有限公司 | Method for measuring real-time coal feeding amount of medium-storage pulverized coal furnace |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103216840B (en) | Formula of storing up in coal-burning boiler coal pulverizer reduces nitric oxide system | |
CN101761933B (en) | Low-temperature furnace smoke sucking exhaust gas and hot air drying composite powder feeding bituminous coal and meagre coal universal type powder preparing system | |
EP1779036B1 (en) | Integrated system for the extraction of heavy ash, conversion thereof into light ash and reduction of unburnt matter | |
CN203223912U (en) | Intermediate storage type super nitrogen reduction system for coal-fired boiler coal mill | |
CN203687076U (en) | Intermediate storage type hot primary air heat exchanging type returned pulverized coal milling and coal pulverizing system of coal fired boiler | |
CN104344398B (en) | Middle warehouse formula pulverized coal carried by hot air pulverized coal preparation system | |
CN208475369U (en) | Coal-burning boiler pulverized coal preparation system | |
CN104776440B (en) | The multi-functional powder feed system of warehouse formula in the middle of low speed coal mill | |
CN104180384B (en) | Coal-fired power station boiler mixes the System and method for burning low ash smelting point coal | |
CN110813504A (en) | Blast furnace coal injection and pulverization system with drying furnace removed and working method thereof | |
CN103206716B (en) | The low NO of many coals ecad xcombustion system | |
CN205717287U (en) | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus | |
CN103712226A (en) | Circulatory coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers | |
CN205717281U (en) | Pulverized coal carried by hot air high efficiency boiler emission reduction device | |
CN203731459U (en) | A circulating pulverizing system applied to a small- and medium-size industrial pulverized coal boiler | |
CN109737392A (en) | The flying dust and clinker for being applicable in the coal-burning boiler with horizontally disposed burner hearth fire system again | |
CN205717288U (en) | Hot blast and exhaust gas double-medium powder delivery adjustable-flow boiler combustion equipment | |
CN203586193U (en) | Middle storing bin type hot wind powder feeding and manufacturing system | |
CN203298596U (en) | Pulverized coal ore burning system of rotary kiln | |
CN202037125U (en) | Online pulverized coal refining separation device | |
CN205717282U (en) | Efficient burning formula pulverized coal carried by hot air boiler | |
CN201589289U (en) | Exhaust gas and hot air double-medium powder delivery system | |
CN104132364A (en) | Open powder making steam warm air type boiler unit and power generation system thereof | |
CN108644801A (en) | A kind of thermal power generation system | |
CN205783041U (en) | A kind of pulverized coal carried by hot air boiler of efficient burning energy-saving and emission-reduction |
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: 20161123 Termination date: 20170518 |
|
CF01 | Termination of patent right due to non-payment of annual fee |