CN206160108U - Boiler combustion system - Google Patents
Boiler combustion system Download PDFInfo
- Publication number
- CN206160108U CN206160108U CN201621142413.4U CN201621142413U CN206160108U CN 206160108 U CN206160108 U CN 206160108U CN 201621142413 U CN201621142413 U CN 201621142413U CN 206160108 U CN206160108 U CN 206160108U
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- China
- Prior art keywords
- air
- cyclone separator
- boiler
- pipeline
- solid particle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model provides a boiler combustion system, including the hopper, be located hopper below the belt feeder, with the inlet pipe of belt feeder export intercommunication, with the boiler of inlet pipe intercommunication, with the cyclone of the exhanst gas outlet intercommunication of boiler, cyclone includes the gas outlet of top and the solid particle export of bottom, cyclone's gas outlet has connected gradually convection superheater, economizer, air heater, sack cleaner, draught fan, desulfurizing tower and chimney, the solid particle export is through return pipe and boiler connected, return pipe is from setting up downwards with the slope of solid particle exit linkage one end, cyclone still connects the air feed system, the air feed system include high pressure positive blower, both ends respectively with the air supply pipeline of high pressure positive blower and cyclone intercommunication, air supply pipeline is close to solid particle export setting with cyclone's tie point, can carry out effective recycling to the particulate matter in the flue gas and utilize.
Description
Technical field
This utility model is related to combustion of industrial boiler system, more particularly to boiler combustion system.
Background technology
China is to use coal big country, with substantial amounts of middle-size and small-size coal-burned industrial boiler, in chemical industry, papermaking, printing and dyeing, light industry and food
Have a wide range of applications etc. industry.
A large amount of flue gases can be produced in coal-fired process, flue gas is directly entered air by enterprise general at present by chimney
In, cause the waste that the energy is also result in while environmental pollution；Some enterprises also can be processed flue gas, such as adopt and remove
Dirt device, although simple use cleaner unit can play preferable filter effect, but and due to flue gas yield it is big, dedusting
Device needs Jing often to be cleared up, troublesome poeration.
Utility model content
The purpose of this utility model is to provide a kind of boiler combustion system, and the flue gas to producing can carry out efficient recovery profit
With.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of boiler combustion system
System, including hopper, the feed pipe of the belt coal-feeding machine below hopper and belt coal-feeding machine outlet and feed pipe company
The cyclone separator that logical boiler is connected with the exhanst gas outlet of boiler, the gas outlet of the cyclone separator including top and
The solid particle outlet of bottom, it is pre- that the gas outlet of the cyclone separator is connected with convection superheater, economizer, air in turn
Hot device, sack cleaner, air-introduced machine, desulfurizing tower and chimney, the solid particle outlet is connected by returning charge pipeline with boiler, institute
Returning charge pipeline is stated from being connected one end and arranging diagonally downward with solid particle outlet, the cyclone separator is also connected with air feed system,
The air feed system includes the air supply line that high pressure positive blower, two ends connect respectively with high pressure positive blower and cyclone separator, described
Air supply line is arranged with the junction point of cyclone separator near solid particle outlet.
Coal charge is entered from hopper, and through belt coal-feeding machine feed pipe is sent to, and coal charge enters boiler from feed pipe, and coal charge exists
Burn in boiler, the solids of its flue gas for producing and carrying leave burner hearth and enter cyclone separator, in cyclone separator,
Coarse granule is separated from returning charge pipeline from flue gas stream and reenters boiler, and air-flow is then drawn by cyclone separator top
Go out, the particulate subconstiuent that sack cleaner removes flue gas is entered through flowing superheater, economizer, air preheater, afterwards by drawing
Blower fan extracted out entered outside boiler and discharge from chimney after desulfurizing tower desulfurization.Because returning charge pipeline is arranged diagonally downward, therefore coarse granule
Boiler can be under gravity entered, while the coarse granule in returning charge pipeline can play loop seals effect, flue gas is reduced
The amount of cyclone separator is directly entered from returning charge pipeline, while cyclone separator is also connected with air feed system, and air supply line and rotation
The junction point of wind separator is arranged near solid particle outlet, and air feed system can provide certain power and cause slightly to coarse granule
Granule more easily enters boiler, while so that flue gas not easily passs through returning charge pipeline and enters cyclone separator；Cyclone separator one
As have three kinds of intake methods, top air inlet, middle part air inlet and bottom air inlet, for dampness, we are frequently with bottom air inlet
Scheme, because bottom air inlet can utilize equipment lower space, dry gas to match somebody with somebody frequently with middle part air inlet or top air inlet, top air inlet
Gas is uniform, because flue gas is dry gas, therefore is preferred using top air inlet.
Further, the inclination angle of the returning charge pipeline is 30 degree.
The setting at returning charge pipeline inclination angle affect coarse grained blanking velocity and can blanking, be 30 when inclination angle is arranged
When spending, uniform blanking is conducive to coarse grained abundant burning.
Further, the high pressure positive blower is set up in parallel two.
High pressure positive blower arranges 2, wherein one operation when general work, and one standby.
Further, the cyclone separator includes left-handed cyclone separator and dextrorotation cyclone separator, left-handed whirlwind point
Connect flue gas main pipeline, the left-handed cyclonic separation after the gas outlet of device and gas outlet's convergence of dextrorotation cyclone separator
The gas outlet of device is arranged near flue gas main pipeline, and the air supply line includes the main feed pipe connected with high pressure positive blower and master
Supply airduct for multiple branch roads of airduct connection, multiple branch roads for airduct respectively with left-handed cyclone separator and dextrorotation cyclone separator
Connection, the branch road on the dextrorotation cyclone separator is on airduct left-handed cyclone separator relative with the distance that solid particle is exported
Branch road for the outlet of airduct and solid particle distance closer to the air supply line also includes what is connected with left-handed cyclone separator
Material returning device gas tube.
Because the branch road on dextrorotation cyclone separator supplies airduct left-handed cyclonic separation relative with the distance that solid particle is exported
Branch road on device for the outlet of airduct and solid particle distance closer to therefore the first arm enters the gas atmosphere of left-handed separator
It is bigger, therefore ftercompction is carried out to left-handed separator by material returning device gas tube.
Further, the cyclone separator bottom is connected with cement output tank, and the cement output tank is provided with manually-operated gate.
It is convenient that cleaning ash discharge is carried out to cyclone separator.
Further, the boiler bottom is connected with ignition system, and the ignition system includes igniter and igniting dress
Put the inflow pipeline that the compressed air air induction conduit of connection is connected with igniter.
This programme is lighted a fire by compressed air air induction conduit oxygen supply, inflow pipeline fuel feeding finally by igniter.
Further, the boiler top is connected with wind circulating system, and the wind circulating system includes once blowing
System and secondary blast system a, supply air system includes the First air pipeline connected with boiler, is sequentially arranged at once
Primary air preheater and primary air fan on wind pipeline；The secondary blast system includes the secondary air channel connected with boiler
Road, the auxiliary air preheater being sequentially arranged on secondary wind pipeline and overfire air fan.
The combustion air bloated from primary air fan first via after air preheater heating enters the burner hearth bottom of boiler
Air compartment so that coal charge is fluidized and burnt under fluidized state；From the combustion air Jing air preheaters that overfire air fan is bloated
Afterwards, upper furnace, combustion air reducing smoke speed out so that coal burning is more abundant, while strengthening are directly entered
Coal charge is disturbed so that coal charge is more dispersed, beneficial to coal burning.
Further, the First air pipeline is also associated with the sealing pipeline connected with belt coal-feeding machine and feed pipe connects
Logical broadcasts coal pipe.
Directly as the sealing wind to belt coal-feeding machine, the setting for broadcasting coal pipe is strengthened the cold wind bloated from primary air fan
Disturbance to coal charge, on the other hand supplements oxygen amount.
In sum, this utility model has the advantages that：This utility model simple structure so that coal burning profit
With more fully, pollution is reduced.
Description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the A portions enlarged drawing in Fig. 1.
Reference：01st, hopper；02nd, belt coal-feeding machine；03rd, feed pipe；04th, desulfurizing tower；05th, chimney；06th, seal pipe
Road；07th, coal pipe is broadcast；1st, boiler；11st, burner hearth；12nd, air compartment；21st, left-handed cyclone separator；22nd, dextrorotation cyclone separator；3rd, after
Process pipeline；31st, convection superheater；32nd, economizer；33rd, air preheater；4th, sack cleaner；41st, flue gas exhausting pipe line；
5th, air-introduced machine；51st, air quantity regulation pipe；52nd, air port controllable register；6th, ignition system；61st, igniter；62nd, compressed air air inlet
Conduit；63rd, air accumulator；64th, inflow pipeline；65th, oil tank；71st, cement output tank；72nd, manually-operated gate；73rd, returning charge pipeline；74th, flue gas
Main pipeline；8th, air feed system；81st, high pressure positive blower；82nd, air supply line；821st, main feed pipe；822nd, branch road supplies airduct；823rd, return
Glassware gas tube；9th, wind circulating system；91st, a supply air system；911st, First air pipeline；912nd, primary air fan；92nd, it is secondary
Supply air system；921st, secondary wind pipeline；922nd, overfire air fan；101st, the first discharge tube；102nd, the second discharge tube.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
A kind of boiler combustion system, including the hopper 01, belt coal-feeding machine 02, feed pipe 03, boiler 1, rotation that are sequentially communicated
Wind separator, post processing pipeline 3, sack cleaner 4, air-introduced machine 5, desulfurizing tower 04 and chimney 05.
Boiler 1 includes the burner hearth 11 of top and the air compartment 12 of lower section, and ignition system 6 includes the igniting dress connected with air compartment 12
Put the 61 compressed air air induction conduits 62 connected with igniter 61 and compressed air air induction conduit 62 connection air accumulator 63,
The oil tank 65 that the inflow pipeline 64 connected with igniter 61 is connected with inflow pipeline 64；Igniter 61, compressed air air inlet
Conduit 62, air accumulator 63, inflow pipeline 64 are symmetrical set two sets, and oil tank 65 only arranges one and connects inflow pipeline simultaneously
64。
Cyclone separator includes left-handed cyclone separator 21 and dextrorotation cyclone separator 22, left-handed cyclone separator 21 and the right side
The solid particle outlet of gas outlet and bottom of the rotation cyclone separator 22 including top, left-handed cyclone separator 21 and dextrorotation
The bottom of cyclone separator 22 is respectively connected with cement output tank 71, and the cement output tank 71 is provided with manually-operated gate 72.Left-handed cyclonic separation
The solid particle outlet of device 21 and the bottom of dextrorotation cyclone separator 22 passes through returning charge pipeline 73 and the boiler 1 for arranging diagonally downward
Burner hearth 11 connect, the inclination angle of returning charge pipeline 73 is 30 degree；The gas outlet of left-handed cyclone separator 21 and dextrorotation whirlwind point
Connect flue gas main pipeline 74 after gas outlet's convergence of device 22, the gas outlet of left-handed cyclone separator 21 is responsible near flue gas
Road 74, the flue gas main pipeline 74 is connected with the upper end of post processing pipeline 3.
It is pre- that therefore three 32, four, economizer air of convection superheater 31, three are set from top to bottom in post processing pipeline 3
Hot device 33, the lower end of post processing pipeline 3 is connected by flue gas exhausting pipe line 41 with sack cleaner 4, sack cleaner 4 and air inducing
The airduct connection that machine 5 passes through two parallel connections, each is in charge of and is provided with air port controllable register 52, opens big for adjusting airduct
It is little；Air-introduced machine 5 is connected by the first discharge tube 101 with desulfurizing tower 04, and desulfurizing tower 04 is by the second discharge tube 102 and chimney
05 lower end connects.
Material circulating system also includes being followed to the air feed system 8 of cyclone separator air feed and the wind-force being connected with boiler 1
Loop systems 9, air feed system 8 includes the air feed that high pressure positive blower 81, two ends is connected respectively with high pressure positive blower 81 and cyclone separator
Pipeline 82；Specifically, air supply line 82 includes that main feed pipe 821 and branch road supply airduct 822, and two are connected on main feed pipe 821
High pressure positive blower 81 in parallel, during work, one of high pressure positive blower 81 works, and another is standby；Branch road is for airduct 822 and main confession
Airduct 821 is connected, and branch road arranges four parallel arrangements from top to bottom for airduct 822, top two and left-handed cyclone separator 21
Connection, lower section two connects with dextrorotation cyclone separator 22, and four branch roads are respectively positioned on the lower section of cyclone separator for airduct 822.
A material returning device gas tube 823 is also connected with main feed pipe 821, the material returning device gas tube 823 is connected with left-handed cyclone separator 21.
Wind circulating system 9 includes a supply air system 91 and secondary blast system 92, supply air system 91 include with
First air pipeline 911 that air compartment 12 is sequentially communicated, the primary air preheater being sequentially arranged on First air pipeline 911 and once
Blower fan 912；Secondary blast system 92 includes the secondary wind pipeline 921 being sequentially communicated with burner hearth 11, is sequentially arranged at secondary air channel
Auxiliary air preheater and overfire air fan 922 on road 921；Primary air preheater and auxiliary air preheater in the present embodiment
The air preheater 33 being in post processing pipeline 3, the series connection two of which of First air pipeline 911 air preheater 33, secondary wind
Pipeline 921 is connected two other air preheater 33, and certain primary air preheater and auxiliary air preheater can also be independent
Arrange, not with the common air preheater 33 of post processing pipeline 3.Wherein First air pipeline 911 can as needed carry out branch road diffusion
The diverse location of connection air compartment 12, secondary wind pipeline 921 can as needed carry out the diverse location of branch road diffusion connection burner hearth 11,
So that air is more evenly distributed.
First air pipeline 911 is also associated with the sealing pipeline 06 connected with belt coal-feeding machine 02 in the present embodiment, and seals
The junction point of pipeline 06 and First air pipeline 911 is located between side air preheater 33 and primary air fan 912, so into skin
Air with feeder 02 is cold air, is not heated；First air pipeline 911 be also associated with feed pipe 03 connection broadcast coal pipe
07, broadcasting coal pipe 07 can as needed carry out the diverse location of branch road diffusion connection feed pipe 03.
In order to lift working environment quality, can be in primary air fan 912, overfire air fan 922, air-introduced machine 5, high pressure positive blower 81
Deafener is installed near pipeline.
Coal charge is entered from hopper 01, and through belt coal-feeding machine 02 feed pipe 03 is sent to, and coal charge enters pot from feed pipe 03
Stove 1, coal charge burns in boiler 1, and the solids of its flue gas for producing and carrying leave burner hearth 11 into left-handed cyclonic separation
Device 21 and dextrorotation cyclone separator 22, coarse granule is separated from returning charge pipeline 73 from flue gas stream and reenters boiler 1, and gas
Stream then by left-handed cyclone separator 21 and the Base top contact of dextrorotation cyclone separator 22, sequentially pass through flue gas main pipeline 74, after
Process pipeline 3（Three 32, four, economizer air preheaters 33 of convection superheater 31, three）Remove into sack cleaner 4
The particulate subconstiuent of flue gas, extracts outer the entering of boiler 1 out and discharges from chimney 05 after the desulfurization of desulfurizing tower 04 by air-introduced machine 5 afterwards.
Simultaneously in the course of work of boiler 1：The combustion air bloated from primary air fan 912 is heated through air preheater 33
Air compartment 12 is entered afterwards, fluidizes coal charge；The cold wind bloated from primary air fan 912 through the road of seal pipe 06 directly as to belt to
The sealing wind of coal machine 02；A hot blast Jing after air preheater 33 is carried out into feed pipe 03 by broadcasting coal pipe 07 to coal charge
Promote；The combustion air bloated from overfire air fan 922 Jing after air preheater 33, into burner hearth 11.Air feed system 8 is constant
Air is provided to left-handed cyclone separator 21 and dextrorotation cyclone separator 22.
Claims (8)
1. a kind of boiler combustion system, it is characterised in that：Including hopper (01), the belt coal-feeding machine below hopper (01)
(02) boiler (1) for connecting with feed pipe (03) with the feed pipe (03) of belt coal-feeding machine (02) outlet and boiler (1)
Exhanst gas outlet connection cyclone separator, the gas outlet of the cyclone separator including top and the solid particle of bottom go out
Mouthful, the gas outlet of the cyclone separator is connected with convection superheater (31), economizer (32), air preheater in turn
(33), sack cleaner (4), air-introduced machine (5), desulfurizing tower (04) and chimney (05), the solid particle outlet passes through refeed line
Road (73) is connected with boiler (1), and the returning charge pipeline (73) is connected one end and arranges diagonally downward with solid particle outlet certainly, described
Cyclone separator is also connected with air feed system (8), the air feed system (8) including high pressure positive blower (81), two ends respectively with high-pressure blast
Machine (81) and the air supply line (82) of cyclone separator connection, the air supply line (82) is leaned on the junction point of cyclone separator
Nearly solid particle outlet is arranged.
2. boiler combustion system according to claim 1, is characterized in that：The inclination angle of the returning charge pipeline (73) is 30
Degree.
3. boiler combustion system according to claim 1, is characterized in that：The high pressure positive blower (81) is set up in parallel two.
4. boiler combustion system according to claim 1, is characterized in that：The cyclone separator includes left-handed cyclonic separation
Device (21) and dextrorotation cyclone separator (22), the gas outlet of left-handed cyclone separator (21) and dextrorotation cyclone separator (22)
Gas outlet connects flue gas main pipeline (74) after converging, the gas outlet of the left-handed cyclone separator (21) is responsible near flue gas
Road (74) is arranged, and the air supply line (82) includes the main feed pipe (821) connected with high pressure positive blower (81) and main feed pipe
(821) connection multiple branch roads supply airduct (822), multiple branch roads for airduct (822) respectively with left-handed cyclone separator (21) and
Dextrorotation cyclone separator (22) is connected, and the branch road on the dextrorotation cyclone separator (22) goes out for airduct (822) with solid particle
Branch road on the relatively left-handed cyclone separator (21) of distance of mouth is for airduct (822) and the distance of solid particle outlet closer to institute
State the material returning device gas tube (823) that air supply line (82) also includes being connected with left-handed cyclone separator (21).
5. boiler combustion system according to claim 1, is characterized in that：The cyclone separator bottom is connected with cement output tank
(71), the cement output tank (71) is provided with manually-operated gate (72).
6. boiler combustion system according to claim 1, is characterized in that：Boiler (1) bottom is connected with ignition system
Compressed air air induction conduit (62) that (6), the ignition system (6) connects including igniter (61) with igniter (61),
The inflow pipeline (64) connected with igniter (61).
7. boiler combustion system according to claim 1, is characterized in that：Boiler (1) top is connected with wind circulating
System (9), the wind circulating system (9) includes a supply air system (91) and secondary blast system (92), described once to send
Wind system (91) include the First air pipeline (911) connected with boiler (1), be sequentially arranged on First air pipeline (911) one
Secondary air preheater and primary air fan (912)；The secondary blast system (92) includes the secondary wind pipeline connected with boiler (1)
(921) the auxiliary air preheater, being sequentially arranged on secondary wind pipeline (921) and overfire air fan (922).
8. boiler combustion system according to claim 7, is characterized in that：The First air pipeline (911) be also associated with
What the sealing pipeline (06) of belt coal-feeding machine (02) connection was connected with feed pipe (03) broadcasts coal pipe (07).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142413.4U CN206160108U (en) | 2016-10-20 | 2016-10-20 | Boiler combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142413.4U CN206160108U (en) | 2016-10-20 | 2016-10-20 | Boiler combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206160108U true CN206160108U (en) | 2017-05-10 |
Family
ID=58654713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621142413.4U Expired - Fee Related CN206160108U (en) | 2016-10-20 | 2016-10-20 | Boiler combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206160108U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166373A (en) * | 2017-05-20 | 2017-09-15 | 杭州江东富丽达热电有限公司 | A kind of steam waste-heat recovery device for boiler combustion system |
| CN107238074A (en) * | 2017-05-20 | 2017-10-10 | 杭州江东富丽达热电有限公司 | A kind of boiler combustion system |
| CN111561695A (en) * | 2020-05-20 | 2020-08-21 | 沈阳东管电力科技集团股份有限公司 | Boiler flue gas and air system |
| CN112555817A (en) * | 2020-12-15 | 2021-03-26 | 江苏兴特嘉环保设备制造有限公司 | Boiler combustion system |
| CN112833389A (en) * | 2020-12-31 | 2021-05-25 | 大唐郓城发电有限公司 | Boiler combustion system |
-
2016
- 2016-10-20 CN CN201621142413.4U patent/CN206160108U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166373A (en) * | 2017-05-20 | 2017-09-15 | 杭州江东富丽达热电有限公司 | A kind of steam waste-heat recovery device for boiler combustion system |
| CN107238074A (en) * | 2017-05-20 | 2017-10-10 | 杭州江东富丽达热电有限公司 | A kind of boiler combustion system |
| CN111561695A (en) * | 2020-05-20 | 2020-08-21 | 沈阳东管电力科技集团股份有限公司 | Boiler flue gas and air system |
| CN112555817A (en) * | 2020-12-15 | 2021-03-26 | 江苏兴特嘉环保设备制造有限公司 | Boiler combustion system |
| CN112833389A (en) * | 2020-12-31 | 2021-05-25 | 大唐郓城发电有限公司 | Boiler combustion system |
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| 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: 20170510 Termination date: 20191020 |