CN208652539U - A kind of coal dust oxygen-enriched combustion system - Google Patents
A kind of coal dust oxygen-enriched combustion system Download PDFInfo
- Publication number
- CN208652539U CN208652539U CN201821083303.4U CN201821083303U CN208652539U CN 208652539 U CN208652539 U CN 208652539U CN 201821083303 U CN201821083303 U CN 201821083303U CN 208652539 U CN208652539 U CN 208652539U
- Authority
- CN
- China
- Prior art keywords
- coal dust
- oxygen
- enriched
- conveyance conduit
- combustion
- 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
- 239000002817 coal dust Substances 0.000 title claims abstract description 69
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000001301 oxygen Substances 0.000 title claims abstract description 66
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 66
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 239000000843 powder Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000003245 coal Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims 1
- 230000000153 supplemental effect Effects 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010304 firing Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 2
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to a kind of coal dust oxygen-enriched combustion systems, described to be made of for coal dust mechanism coal dust pot production by forming for coal dust mechanism, conveyance conduit and combustion mechanism；Conveyance conduit is connection for one or more delivery pipe between coal dust mechanism and combustion mechanism, combustion mechanism includes one or more burner noz(zle)s in combustion furnace, described delivery pipe one end is connected to the powder delivery outlet out of coal dust pot, the other end is connected to the burner noz(zle) position of combustion mechanism, an oxygen-enriched generating mechanism is additionally provided on the conveyance conduit, the air outlet pipeline of the oxygen-enriched generating mechanism connects with the delivery pipe of conveyance conduit, supplements oxygen-enriched air for conveyance conduit and pushes the burner noz(zle) position that coal dust enters in combustion mechanism.The utility model structure is simple, and coal dust firing is more thorough when use, more efficient, thus substantially reduces the smog emission containing substances such as a large amount of nitrogen oxides, preferably avoids pollution environment, using effect is more preferable.
Description
Technical field
The utility model relates to a kind of pulverized coal combustion systems, belong to coal-powder boiler combustion field.
Background technique
Current pulverized coal combustion system only includes to constitute for equipment such as coal dust mechanism, conveyance conduit and combustion mechanisms,
Not to the utmost, thus efficiency bottom generates the smoke pollution of environment containing substances such as a large amount of nitrogen oxides to system coal dust firing.
Utility model content
The purpose of this utility model is, in order to solve existing pulverized coal combustion system there are above-mentioned technical problem, to provide one
Kind coal dust oxygen-enriched combustion system.
A kind of coal dust oxygen-enriched combustion system, it is described for Coal-disintegrating machine by being formed for coal dust mechanism, conveyance conduit and combustion mechanism
Structure is made of coal dust pot production；Conveyance conduit is to connect for one or more delivery pipe between coal dust mechanism and combustion mechanism,
Combustion mechanism includes one or more burner noz(zle)s in combustion furnace, and the powder that goes out that described delivery pipe one end is connected to coal dust pot exports
Mouthful, the other end is connected to the burner noz(zle) position of combustion mechanism, an oxygen-enriched generating mechanism is additionally provided on the conveyance conduit, should
The air outlet pipeline of oxygen-enriched generating mechanism connects with the delivery pipe of conveyance conduit, supplements oxygen-enriched air for conveyance conduit and pushes coal dust
Into the burner noz(zle) position in combustion mechanism, the system for being achieved in oxygen-enriched pulverized coal conveying burning.
Further, the conveyance conduit is made of vertical section and traversing section, and the vertical section and traversing section form downward throwing
Put, the conveyance conduit of lateral transfer coal dust, the air outlet pipeline for going out powder delivery outlet and oxygen-enriched generating mechanism of the coal dust pot with
Vertical section input terminal connects, the burner noz(zle) position of the output end access combustion mechanism of traversing section.
Further, the air outlet pipeline of the oxygen-enriched generating mechanism laterally connects with conveyance conduit.
Further, the powder delivery outlet that goes out of the coal dust pot has screw conveyer structure, and for coal dust, mechanism passes through spiral shell
Rotating conveying mechanism, which pushes to coal dust, is delivered to conveyance conduit.
Further, the screw conveyer structure is horizontally arranged on conveyance conduit, forms transverse direction and conveyance conduit phase
Binding structure.
Further, the air outlet pipeline of the oxygen-enriched generating mechanism is equipped with vacuum suction ventilator or Roots's suction ventilator.
Further, the inner wall of the burner noz(zle) is equipped with multiple helical-blades.
Further, the oxygen-enriched generating mechanism is made of blower and oxygen-enriched collector, and the oxygen-enriched collector is by one
Or multiple oxygen-enriched membrane components and air collector composition, the oxygen-enriched collector are mounted on the location of air supply inlet of blower.
Further, the powder delivery outlet that goes out of the coal dust pot is funnel structure.
Further, the multiple burner noz(zle) is evenly distributed in combustion furnace, and a plurality of delivery pipe is respectively connected to each
On burner noz(zle).
The utility model has the beneficial effects that the utility model structure is simple, coal dust firing is more thorough when use, and efficiency is more
Thus height substantially reduces the smog emission containing substances such as a large amount of nitrogen oxides, preferably avoid pollution environment, using effect is more
It is good.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
A kind of oxygen-enriched combusting coal dust coal dust oxygen-enriched combustion system shown in referring to Fig.1, by for coal dust mechanism 1, conveyance conduit 2
It is formed with combustion mechanism 3, it is described to be made of for coal dust mechanism 1 production of coal dust pot 11；Conveyance conduit 2 is connection for coal dust mechanism 1
One or more delivery pipe 21 between combustion mechanism 3, combustion mechanism 3 include one or more burner noz(zle)s in combustion furnace
31, powder delivery outlet, the other end out that described 21 one end of delivery pipe is connected to coal dust pot 11 are connected to the burner noz(zle) of combustion mechanism 3
31 positions, one are additionally provided on the conveyance conduit 2 for oxygen oxygen-rich generating mechanism 4, the discharge pipe for oxygen oxygen-rich generating mechanism 4
Road 43 connects with the delivery pipe 21 of conveyance conduit 2, conveys oxygen-enriched air for conveyance conduit 2 and pushes coal dust and enter combustion mechanism 3
Interior 31 position of burner noz(zle), the system for being achieved in oxygen-enriched pulverized coal conveying burning.
In embodiment, the powder delivery outlet that goes out of the coal dust pot 11 is funnel structure, which goes out powder delivery outlet
Screw conveyer structure 5 is had, for coal dust mechanism 2 by 5 pulverized coal conveying of screw conveyer structure to 31 position of burner noz(zle),
In use, the screw conveyer structure 5 can be according to Field adjustment powder dropping amount.It is described for oxygen oxygen-rich generating mechanism 4 by 41 He of blower
Oxygen-enriched collector 42 forms, which is made of one or more oxygen-enriched membrane components 421 and air collector 422, works as wind
Machine 41 is thrown air in oxygen-enriched membrane component into, and air is filtered through oxygen permeable membrane, the extra N of part2Discharge, after oxygen permeable membrane filters
Oxygen content in air is promoted by 21% to 26~30% or so, is then sent into conveyance conduit 2, the richness by air collector 422
Oxygen concentrator 421 is mounted on the location of air supply inlet of blower 41, and multiple burner noz(zle)s 31 are evenly distributed in combustion furnace, a plurality of conveying
Pipe 21 is respectively connected on each burner noz(zle) 41.
The conveyance conduit 2 is made of vertical section 211 and traversing section 212, the vertical section 211 and traversing section 212 formed to
It is lower launch, the conveyance conduit 2 of lateral transfer coal dust, the coal dust pot 11 goes out going out for powder delivery outlet and oxygen-enriched generating mechanism 4
Air pipe line 43 connects with 211 input terminal of vertical section, 31 position of burner noz(zle) of the output end access combustion mechanism 3 of traversing section 212,
It conveys coal dust preferably under the action of oxygen-enriched generating mechanism 4, thus can effectively improve the conveying function of coal dust and reaches
To more combustion efficiency.
In order to improve the oxygen-enriched generation effect of oxygen-enriched generating mechanism 4, the air outlet pipeline 43 of the oxygen-enriched generating mechanism 4 is laterally
Connect with conveyance conduit 2.The screw conveyer structure 5 is horizontally arranged on conveyance conduit 2, forms lateral and conveyance conduit 2
Connect structure.The air outlet pipeline 43 of the oxygen-enriched generating mechanism 4 is equipped with vacuum suction ventilator or Roots's suction ventilator 22, which inhales
Blower 41 is conveyed oxygen and provides aerodynamic pressure by blower or Roots's suction ventilator 22, and oxygen is made preferably to enter conveyance conduit 2, is defeated
The coal dust sent mentions oxygen-enriched air, keeps its burning more thorough.
In order to improve the efficiency of combustion of coal dust, the inner wall of the burner noz(zle) 31 is equipped with multiple helical-blades 311, the helical-blade
311 when blowing coal dust and passing through, disperse coal dust on burner noz(zle) 31 by helical-blade 311 and fill with oxygen-enriched air in blower
Divide to be mixed into combustion furnace and carry out complete conflagration, thus improves efficiency of combustion,.
When the utility model is used, air is squeezed into oxygen-enriched collector 42 by blower 41, and oxygen-enriched collector 42 is in air
Oxygen content is promoted by 21% to 26~30% or so, then in conjunction with the coal dust that the lower screw conveyer structure 5 of coal dust pot 11 exports,
It is sufficiently mixed through gas and coal dust, then is sent to that combustion furnace (i.e. coal-powder boiler) is inner to burn by each burner noz(zle) 31, effect can be with
10%~20% coal dust firing effect is promoted, the discharge of nitrogen oxides is reduced.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of coal dust oxygen-enriched combustion system, special by forming for coal dust mechanism (1), conveyance conduit (2) and combustion mechanism (3)
Sign is: described to be made of for coal dust mechanism (1) coal dust pot (11) production；Conveyance conduit (2) is connection for coal dust mechanism (1) and combustion
One or more delivery pipe (21) between mechanism (3) is burnt, combustion mechanism (3) includes one or more burning sprays in combustion furnace
Mouth (31), powder delivery outlet, the other end out that described delivery pipe (21) one end is connected to coal dust pot (11) are connected to combustion mechanism (3)
Burner noz(zle) (31) position, be additionally provided with an oxygen-enriched generating mechanism (4), the oxygen-enriched generating mechanism on the conveyance conduit (2)
(4) air outlet pipeline (43) connects with the delivery pipe (21) of conveyance conduit (2), for conveyance conduit (2) supplemental oxygen and pushes coal
Powder enters burner noz(zle) (31) position in combustion mechanism (3), the system for being achieved in oxygen-enriched pulverized coal conveying burning.
2. a kind of coal dust oxygen-enriched combustion system according to claim 1, it is characterized in that: the conveyance conduit (2) is by vertical
Section (211) and traversing section (212) composition, the vertical section (211) and traversing section (212) form dispensing, lateral transfer coal dust downwards
Conveyance conduit (2), the coal dust pot (11) go out powder delivery outlet and oxygen-enriched generating mechanism (4) air outlet pipeline and vertical section
(211) input terminal connects, burner noz(zle) (31) position of output end access combustion mechanism (3) of traversing section (212).
3. a kind of coal dust oxygen-enriched combustion system according to claim 1 or 2, it is characterized in that: the oxygen-enriched generating mechanism (4)
Air outlet pipeline laterally connect with conveyance conduit (2).
4. a kind of coal dust oxygen-enriched combustion system according to claim 1, it is characterized in that: the powder out of the coal dust pot (11) is defeated
Outlet has screw conveyer structure (5), by screw conveyer structure (5) is pushed to coal dust for coal dust mechanism (1) defeated
It send to conveyance conduit (2).
5. a kind of coal dust oxygen-enriched combustion system according to claim 4, it is characterized in that: the screw conveyer structure (5)
It is horizontally arranged on conveyance conduit (2), forms the structure that laterally connects with conveyance conduit (2).
6. a kind of coal dust oxygen-enriched combustion system according to claim 1, it is characterized in that: the oxygen-enriched generating mechanism (4)
Air outlet pipeline (43) is equipped with vacuum suction ventilator or Roots's suction ventilator (22).
7. a kind of coal dust oxygen-enriched combustion system described according to claim 1 or 2 or 4 or 5, it is characterized in that: the burner noz(zle)
(31) inner wall is equipped with multiple helical-blades (311).
8. a kind of coal dust oxygen-enriched combustion system according to claim 1, it is characterized in that: the oxygen-enriched generating mechanism (4) by
Blower (41) and oxygen-enriched collector (42) composition, the oxygen-enriched collector (42) by one or more oxygen-enriched membrane components (421) and
One air collector (422) composition, the oxygen-enriched collector (42) are mounted on the location of air supply inlet of blower (41).
9. a kind of coal dust oxygen-enriched combustion system according to claim 1, it is characterized in that: the powder out of the coal dust pot (11) is defeated
Outlet is funnel structure.
10. a kind of coal dust oxygen-enriched combustion system according to claim 1, it is characterized in that: the multiple burner noz(zle) (31)
It is evenly distributed in combustion furnace, a plurality of delivery pipe (21) is respectively connected on each burner noz(zle) (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821083303.4U CN208652539U (en) | 2018-07-09 | 2018-07-09 | A kind of coal dust oxygen-enriched combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821083303.4U CN208652539U (en) | 2018-07-09 | 2018-07-09 | A kind of coal dust oxygen-enriched combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208652539U true CN208652539U (en) | 2019-03-26 |
Family
ID=65783479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821083303.4U Expired - Fee Related CN208652539U (en) | 2018-07-09 | 2018-07-09 | A kind of coal dust oxygen-enriched combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208652539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332520A (en) * | 2019-08-15 | 2019-10-15 | 南宁方力电气有限公司 | A kind of coal dust oxygen-enriched combustion system |
-
2018
- 2018-07-09 CN CN201821083303.4U patent/CN208652539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332520A (en) * | 2019-08-15 | 2019-10-15 | 南宁方力电气有限公司 | A kind of coal dust oxygen-enriched combustion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190826 Address after: 528203 No. 11 No. 2, First Floor, First Floor, Qinglong Yayi Residence, Liang Huada and He Junzhuang Complex Building, west of Shatou Qingping Road, Jiujiang Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Keyida Machinery Equipment Co., Ltd. Address before: 518211 No. 3 Changsheng Lane, Lianxinehu Village, Xiqiao Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Gao Tenggui |
|
| 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: 20190326 Termination date: 20200709 |