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 PDF

Info

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
Application number
CN201620454163.1U
Other languages
Chinese (zh)
Inventor
赵亚维
王泽璞
邢洪涛
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Datang Corp Science and Technology Research Institute Co Ltd
Original Assignee
China Datang Corp Science and Technology Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Datang Corp Science and Technology Research Institute Co Ltd filed Critical China Datang Corp Science and Technology Research Institute Co Ltd
Priority to CN201620454163.1U priority Critical patent/CN205717287U/en
Application granted granted Critical
Publication of CN205717287U publication Critical patent/CN205717287U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus
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.
CN201620454163.1U 2016-05-18 2016-05-18 Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus Expired - Fee Related CN205717287U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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