CN2748784Y - Four channel dense and thin cyclone coal dust combustor - Google Patents
Four channel dense and thin cyclone coal dust combustor Download PDFInfo
- Publication number
- CN2748784Y CN2748784Y CN 200420013892 CN200420013892U CN2748784Y CN 2748784 Y CN2748784 Y CN 2748784Y CN 200420013892 CN200420013892 CN 200420013892 CN 200420013892 U CN200420013892 U CN 200420013892U CN 2748784 Y CN2748784 Y CN 2748784Y
- Authority
- CN
- China
- Prior art keywords
- heater
- reamer
- secondary air
- rear portion
- central tube
- 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 abstract description 10
- 239000003245 coal Substances 0.000 claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002802 bituminous coal Substances 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 241000167857 Bourreria Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Abstract
The utility model relates to a four channel dense and thin cyclone coal dust combustor, comprising a front stove body 2, a back cone expansion stove body 3, a stove body outer shell 4, a back wall body 5, a primary air pipe outer cylinder 8, a central pipe 9, a spiral flow guide blade 10, a central pipe front end cone expansion 11, an outer direct flow secondary air passage 12, and a cyclone secondary air passage 13. The four channel dense and thin cyclone coal dust combustor forms the stable combustion refluxing region through the dense and thin cyclone of the primary air, controls and adjusts the direct flow air and the air quantity of the cyclone and the direct flow secondary air, is adapted the combustion of the coal quality from the high volatile component to low volatile component, and forms a high temperature combustion region through the cyclone secondary air, Simultaneously, the direct flow secondary air form an oxidizing atmosphere region which takes the air as the main content on the periphery of the stove wall, and thus a second stage strengthening combustion and the combustion form of the wind packing the coal are formed. The four channel dense and thin cyclone coal dust combustor is adapted for multiple coal types, and has the advantages of the coal combustion of stable combustion, high efficiency, slagging prevention, and low no exhaust.
Description
Affiliated technical field
Utility model relates in a kind of pitch mix equipment with coal dust building stones heating, drying device, especially can adapt to many coals, has the coal dust firing characteristic of steady combustion, efficient, anti-slagging scorification, low NO discharging.
Background technology
At present, generally adopt oil burner in the pitch mix equipment, the application of pulverized coal combustion is also not general, and mostly be single channel, two passage coal burners, this class burner is because unreasonable combustion instability, few, the defectives such as slagging scorification is serious, scarfing cinder is difficult, pollution is big, stove brick rapid wear of adaptation coal of causing of chamber structure, air channel quantity, shape and relative position.
Summary of the invention
In order to overcome the burner hearth unstable combustion, it is few to adapt to coal, slagging scorification is serious, pollute big, defectives such as stove brick rapid wear, the utility model provides a kind of four-way deep or light vortex burner, the deep or light vortex burner of this four-way can form the air quantity of stable burning recirculation zone and control and regulation direct current wind and eddy flow and direct current secondary wind by the deep or light eddy flow of a wind, can adapt to burning from high volatile to the low volatile ature of coal, and by swirl secondary air formation high-temp combustion zone, thereby direct current secondary wind is in oxidizing atmosphere zone formation secondary reinforcement burning and the bellows chamber burning of coal form of hearth wall formation on every side based on air simultaneously.
In order to achieve the above object, the technical scheme that its technical problem that solves the utility model adopts is: the deep or light vortex burner of a kind of four-way comprises wind coal pipe, DC adjustment air channel, swirl secondary air road, direct current secondary air duct, bocca and body of heater one time.One time airduct is installed on the strong back of body of heater wall, it is characterized in that: one time the interior central tube front portion of wind coal pipe is reamer shape; Taper enlarging external diameter is 0.5～0.7 with the ratio of urceolus internal diameter, and guide vane is the helix blade, and blade and taper enlarging junction are conical helix, and blade shape is an arc groove, and groove exports successively from the lining to the tapering and dwindles.
The deep or light vortex burner of described four-way is characterized in that: one time the interior central tube front portion of airduct is reamer shape; Taper enlarging external diameter is 0.6 with the ratio preferred value of urceolus internal diameter; The outlet recess width is not more than 2/3 of this place's annular radii; The inlet grooves width is greater than 2/3 of this place's annular radii.
The deep or light vortex burner of described four-way is characterized in that wall from inside to outside adopts reamer shape behind body of heater, cone angle 125～135 degree;
The deep or light vortex burner of described four-way is characterized in that wall from inside to outside adopts taper behind body of heater, cone angle preferred value 130 degree;
The deep or light vortex burner of described four-way is characterized in that at cone angle and stalk junction the DC adjustment air channel being set, and the air channel circumference evenly distributes, and perpendicular to wall behind the body of heater.
The deep or light vortex burner of described four-way, it is characterized in that the burner hearth thorax after one's death portion be double-deck hollow structure, burner hearth rear portion intracavity diameter is less than the furnace front intracavity diameter, cavity length is 0～0.3 times of body of heater in the rear portion, transition position is the reamer body, and the reamer half-angle is 20～40 degree.
The deep or light vortex burner of described four-way is characterized in that swirl secondary air road inner wall behind the body of heater, wears double-deck hollow structure from the burner hearth thorax and tangentially enters burner hearth inside.
The deep or light vortex burner of described four-way is characterized in that the direct current secondary air duct is arranged in the outside, swirl secondary air road, has the direct current secondary air duct that communicates with the furnace front inner chamber on the circumference of reamer body.
The deep or light vortex burner of described four-way is characterized in that the bocca diameter equals 0.4～0.6 times of furnace diameter.
The deep or light vortex burner of four-way described in the utility model, be the special-purpose assorted parts of asphalt mixture machine, its major function: the moisture that the heat baked sand building stones that coal dust produces after burner hearth completing combustion are contained also is heated to suitable temperature to the sandstone material; Its duty is such: torch oil gun sprays into diesel oil and lights in burner hearth after, coal dust is transported in the burner hearth by an airduct and is ignited and smooth combustion.After coal dust ignited, oil gun stopped oil spout.For the burning high-volatile bituminous coal, suitably increase the flow velocity of regulating direct current wind, with the length of compression recirculating zone; Suitably reduce the swirl secondary air flow, and strengthen the direct current secondary air flow, make flame reach best steady combustion state and make the more complete and best length of flame of second-time burning; For burning low-volatite bituminous coal or anthracite,, suitably reduce to regulate the flow velocity of direct current wind, with the diameter and the length of expansion recirculating zone; Suitably increase the swirl secondary air flow, and reduce the direct current secondary air flow, make flame reach best steady combustion state and make the more complete and best length of flame of second-time burning; The deep or light vortex burner of four-way described in the utility model is installed atomizer in central tube after, utilize eddy flow wind, the direct current secondary wind of an airduct and regulate direct current wind incendivity light diesel fuel.
The beneficial effects of the utility model are, at first, can realize replace oil with coal, can save the mixing machine fuel cost greatly, reduce operating cost; Secondly,, make coal dust can obtain stable abundant burning, thereby reduce lime-ash, be loose shape, and make lime-ash can not adhere on the furnace wall owing to special construction in the burner hearth and reasonable air channel layout; The 3rd, owing to regulate the controllability of direct current wind, swirl secondary air and direct current secondary wind, adapt to the many coal burnings from the low volatile to the high volatile; The 4th, atomizer can be installed in central tube realize that kerosene is dual-purpose.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Figure one is the axial cutaway view of the deep or light vortex burner of four-way described in the utility model.
Figure two is airduct reamer position partial enlarged drawings among the figure one.
Figure three is A-A cutaway views among the figure one.
Figure four is B-B cutaway views among the figure one.
The parts title of each label representative is as follows in the accompanying drawing
1. bocca, 2. anterior body of heater, 3. rear portion reamer body of heater, 4. body of heater shell, 5. back wall, 6. fire hole, 7. direct current secondary air duct, 8. airduct urceolus, 9. a central tube, 10. spiral stream guidance blade, 11. central tube front end reamers, 12. direct current secondary air ducts, 13. swirl secondary air roads
The specific embodiment
Embodiment one:
The deep or light vortex burner of four-way that present embodiment is introduced, its structure comprises: anterior body of heater 2, rear portion reamer body of heater 3, body of heater shell 4, back wall 5, airduct urceolus 8, central tube 9, spiral stream guidance blade 10, central tube front end reamer 11, direct current secondary air duct 12, swirl secondary air road 13.Bocca 1 is built by laying bricks or stones by the refractory brick of the special moulding of polylith and is formed, and bocca 1 diameter equals 0.4 times of anterior body of heater 2 diameters.Body of heater is made up of anterior body of heater 2 and rear portion reamer body of heater 3.Anterior body of heater 2 is built by laying bricks or stones by polylith side arch brick and is formed.Rear portion reamer body of heater 3 is taper, and the reamer half-angle is 20 degree.Dig several oblate passages on the rear portion reamer body of heater 3, direct current secondary air duct 7 in forming; Interior direct current secondary air duct 7 links to each other with the circular passage that outer direct current secondary air duct 12 is formed by body of heater shell 4 and rear portion reamer body of heater 3.Reamer body of heater 3 inner chamber straight section length in rear portion are taken as 0.Pass the circular passage on the tangential direction of rear portion reamer body of heater 3 and dig swirl secondary air road 13, back wall 5 inwalls are close in swirl secondary air road 13.Back wall 5 adopts reamer, cone angle 125 degree; The outer ring is a stalk, digs the DC adjustment air channel at cone angle and stalk junction, and the air channel circumference evenly distributes, and perpendicular to stalk.One time wind coal pipe is made up of airduct urceolus 8, central tube 9, spiral stream guidance blade 10, a central tube front end reamer 11, central tube front end reamer 11, and taper enlarging external diameter is 0.5 with the ratio of urceolus internal diameter; Spiral stream guidance blade 10 is a conical helix with central tube front end reamer 11 junctions, and blade shape is an arc groove, and groove exports successively from the lining to the tapering and dwindles, and the outlet recess width is not more than 2/3 of this place's annular radii; The inlet grooves width is greater than 2/3 of this place's annular radii.
Embodiment two:
The deep or light vortex burner of four-way that present embodiment is introduced, its structure comprises: anterior body of heater 2, rear portion reamer body of heater 3, body of heater shell 4, back wall 5, airduct urceolus 8, central tube 9, spiral stream guidance blade 10, central tube front end reamer 11, outer direct current secondary air duct 12, swirl secondary air road 13.Bocca 1 is built by laying bricks or stones by the refractory brick of the special moulding of polylith and is formed, and bocca 1 diameter equals 0.5 times of anterior body of heater 2 diameters.Body of heater is made up of anterior body of heater 2 and rear portion reamer body of heater 3.Anterior body of heater 2 is built by laying bricks or stones by polylith side arch brick and is formed.Rear portion reamer body of heater 3 is taper, and the reamer half-angle is 30 degree.Dig several oblate passages on the rear portion reamer body of heater 3, direct current secondary air duct 7 in forming; Interior direct current secondary air duct 7 links to each other with the circular passage that outer direct current secondary air duct 12 is formed by body of heater shell 4 and rear portion reamer body of heater 3.Reamer body of heater 3 inner chamber straight section length in rear portion are 0.2 times of body of heater.Pass the circular passage on the tangential direction of rear portion reamer body of heater 3 and dig swirl secondary air road 13, back wall 5 inwalls are close in swirl secondary air road 13.Back wall 5 adopts reamer, cone angle 130 degree; The outer ring is a stalk, digs the DC adjustment air channel at cone angle and stalk junction, and the air channel circumference evenly distributes, and perpendicular to stalk.One time wind coal pipe is made up of airduct urceolus 8, central tube 9, spiral stream guidance blade 10, a central tube front end reamer 11, central tube front end reamer 11, and taper enlarging external diameter is 0.6 with the ratio of urceolus internal diameter; Spiral stream guidance blade 10 is a conical helix with central tube front end reamer 11 junctions, and blade shape is an arc groove, and groove exports successively from the lining to the tapering and dwindles, and the outlet recess width is not more than 2/3 of this place's annular radii; The inlet grooves width is greater than 2/3 of this place's annular radii.
Embodiment three:
The deep or light vortex burner of four-way that present embodiment is introduced, its structure comprises: anterior body of heater 2, rear portion reamer body of heater 3, body of heater shell 4, back wall 5, airduct urceolus 8, central tube 9, spiral stream guidance blade 10, central tube front end reamer 11, outer direct current secondary air duct 12, swirl secondary air road 13.Bocca 1 is built by laying bricks or stones by the refractory brick of the special moulding of polylith and is formed, and bocca 1 diameter equals 0.6 times of anterior body of heater 2 diameters.Body of heater is made up of anterior body of heater 2 and rear portion reamer body of heater 3.Anterior body of heater 2 is built by laying bricks or stones by polylith side arch brick and is formed.Rear portion reamer body of heater 3 is taper, and the reamer half-angle is 40 degree.Dig several oblate passages on the rear portion reamer body of heater 3, direct current secondary air duct 7 in forming; Interior direct current secondary air duct 7 links to each other with the circular passage that outer direct current secondary air duct 12 is formed by body of heater shell 4 and rear portion reamer body of heater 3.Reamer body of heater 3 inner chamber straight section length in rear portion are 0.3 times of body of heater.Pass the circular passage on the tangential direction of rear portion reamer body of heater 3 and dig swirl secondary air road 13, back wall 5 inwalls are close in swirl secondary air road 13.Back wall 5 adopts reamer, cone angle 135 degree; The outer ring is a stalk, digs the DC adjustment air channel at cone angle and stalk junction, and the air channel circumference evenly distributes, and perpendicular to stalk.One time wind coal pipe is made up of airduct urceolus 8, central tube 9, spiral stream guidance blade 10, a central tube front end reamer 11, central tube front end reamer 11, and taper enlarging external diameter is 0.7 with the ratio of urceolus internal diameter; Spiral stream guidance blade 10 is a conical helix with central tube front end reamer 11 junctions, and blade shape is an arc groove, and groove exports successively from the lining to the tapering and dwindles, and the outlet recess width is not more than 2/3 of this place's annular radii; The inlet grooves width is greater than 2/3 of this place's annular radii.
Claims (5)
1, the deep or light vortex burner of a kind of four-way comprises 1. boccas, 2. anterior body of heater 3. rear portion reamer bodies of heater, 4. body of heater shell, 5. back wall, 6. fire hole, 7. direct current secondary air duct, 8. airduct urceolus, 9. central tube, 10 spiral stream guidance blades, 11 central tube front end reamers, 12. the direct current secondary air duct, 13. swirl secondary air roads; It is characterized in that: bocca 1, anterior body of heater 2, form anterior combustion chamber, rear portion reamer body of heater 3 rises and cuts a hole several oblate passages, form direct current secondary air duct 7, secondary air duct 7 links to each other with the circular passage that direct current secondary air duct 14 is formed by body of heater shell 4 and rear portion reamer body of heater 3; Rear portion reamer body of heater 3 is formed the rear portion stable burning cavity with back wall 5; Back wall 5 outer rings are stalk, dig the DC adjustment air channel at cone angle and stalk junction, and the air channel circumference evenly distributes, and perpendicular to stalk.One time wind coal pipe is made up of airduct urceolus 8, central tube 9, spiral stream guidance blade 10, a central tube front end reamer 11; Spiral stream guidance blade 10 is a conical helix with central tube front end reamer 11 junctions, and blade shape is an arc groove, and groove exports successively from the lining to the tapering and dwindles, and the outlet recess width is not more than 2/3 of this place's annular radii; The inlet grooves width is greater than 2/3 of this place's annular radii.
2, the deep or light vortex burner of this four-way according to claim 1, it is characterized in that the bocca diameter equals 0.4-0.6 times of furnace diameter, rear portion reamer body of heater 3 is taper, the reamer half-angle is 20～40 degree, reamer body of heater 3 interior cavity lengths in rear portion are 0～0.3 times of body of heater, back wall 5 adopts reamer, cone angle 125-135 degree, and central tube front end reamer 11 enlarging external diameters are 0.5～0.7 with the ratio of urceolus internal diameter.。
3, the deep or light vortex burner of this a kind of four-way according to claim 1, it is characterized in that the bocca diameter equals 0.5 times of furnace diameter, rear portion reamer body of heater 3 is taper, the reamer half-angle is 30 degree, reamer body of heater 3 interior cavity lengths in rear portion are 0.2 times of body of heater, back wall 5 adopts reamer, cone angle 130 degree, and central tube front end reamer 11 enlarging external diameters are 0.6 with the ratio of urceolus internal diameter.
4, the deep or light vortex burner of this four-way according to claim 1 is characterized in that the cone angle of back wall 5 and stalk junction dig the direct current air channel, and the air channel circumference evenly distributes, and perpendicular to stalk.
5, the deep or light vortex burner of this four-way according to claim 1, it is characterized in that spiral stream guidance blade 10 and central tube front end reamer 11 junctions are conical helix, blade shape is an arc groove, groove exports successively from the lining to the tapering and dwindles, and the outlet recess width is not more than 2/3 of this place's annular radii; The inlet grooves width is greater than 2/3 of this place's annular radii.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420013892 CN2748784Y (en) | 2004-10-10 | 2004-10-10 | Four channel dense and thin cyclone coal dust combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420013892 CN2748784Y (en) | 2004-10-10 | 2004-10-10 | Four channel dense and thin cyclone coal dust combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2748784Y true CN2748784Y (en) | 2005-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420013892 Expired - Fee Related CN2748784Y (en) | 2004-10-10 | 2004-10-10 | Four channel dense and thin cyclone coal dust combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2748784Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865461A (en) * | 2010-06-08 | 2010-10-20 | 上海市特种设备监督检验技术研究院 | Adjustable center feeding rotational flow coal dust shade burner |
| CN102022726A (en) * | 2010-12-31 | 2011-04-20 | 黄官禹 | Clean burner for pulverized coal |
| CN102767824A (en) * | 2012-07-06 | 2012-11-07 | 南阳市沧田工程机械有限公司 | Novel efficient pulverized coal combustion device |
| CN101910726B (en) * | 2008-01-08 | 2013-08-07 | 三菱重工业株式会社 | Burner structure |
| CN103791608A (en) * | 2012-10-31 | 2014-05-14 | 辽宁绿地能源煤业有限公司 | Special hot flue gas generator for pulverized lignite |
-
2004
- 2004-10-10 CN CN 200420013892 patent/CN2748784Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101910726B (en) * | 2008-01-08 | 2013-08-07 | 三菱重工业株式会社 | Burner structure |
| CN101865461A (en) * | 2010-06-08 | 2010-10-20 | 上海市特种设备监督检验技术研究院 | Adjustable center feeding rotational flow coal dust shade burner |
| CN101865461B (en) * | 2010-06-08 | 2014-06-04 | 上海市特种设备监督检验技术研究院 | Adjustable center feeding rotational flow coal dust shade burner |
| CN102022726A (en) * | 2010-12-31 | 2011-04-20 | 黄官禹 | Clean burner for pulverized coal |
| CN102767824A (en) * | 2012-07-06 | 2012-11-07 | 南阳市沧田工程机械有限公司 | Novel efficient pulverized coal combustion device |
| CN102767824B (en) * | 2012-07-06 | 2015-08-05 | 南阳市沧田工程机械有限公司 | A kind of new and effective coal powder burner |
| CN103791608A (en) * | 2012-10-31 | 2014-05-14 | 辽宁绿地能源煤业有限公司 | Special hot flue gas generator for pulverized lignite |
| CN103791608B (en) * | 2012-10-31 | 2016-11-23 | 辽宁绿地能源煤业有限公司 | The special heat smoke producer of brown coal coal dust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Feng Hao Document name: Notification of Termination of Patent Right |
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| ASS | Succession or assignment of patent right |
Owner name: NANYANG CANGTIAN CONSTRUCTION MACHINERY CO., LTD. Free format text: FORMER OWNER: ZHANG XIANGMEI Effective date: 20060804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Wang Pengzhao Designer before: Zhang Xiangmei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: ZHANG XIANGMEI TO: WANG PENGZHAO |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20060804 Address after: 473000 No. 68, North Ring Road, Henan, Nanyang Patentee after: Nanyang Sealand Construction Machinery Co., Ltd. Address before: Nanyang City, Henan province 473000 Guangwu Road No. 145 Patentee before: Zhang Xiangmei |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051228 Termination date: 20131010 |