CN103411420A - Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln - Google Patents
Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln Download PDFInfo
- Publication number
- CN103411420A CN103411420A CN201310387686XA CN201310387686A CN103411420A CN 103411420 A CN103411420 A CN 103411420A CN 201310387686X A CN201310387686X A CN 201310387686XA CN 201310387686 A CN201310387686 A CN 201310387686A CN 103411420 A CN103411420 A CN 103411420A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- rich
- burner
- nozzle
- rotary kiln
- 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.)
- Granted
Links
Images
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
An oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for a rotary kiln comprises a set of oxygen-rich nozzle inside a combustor, multiple sets of oxygen-rich nozzles outside the combustor, an oxygen-rich conveying system directly conveying part of oxygen-enriched gas in a kiln tail decomposing furnace, an enriched oxygen generating device and an enriched oxygen preheating device. The oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for the rotary kiln is characterized in that the largest included angle of the inclined face of the spraying mouth of the oxygen-rich nozzle inside the combustor and the vertical face of the middle axis of the oxygen-rich nozzle is 1 degrees to 15 degrees, and the inclined face exactly faces the lower portion of the combustor; the oxygen-rich nozzles outside the combustor are mainly distributed on the lower half portion of the combustor, for the contrarotating rotary kiln, N oxygen-rich nozzles are evenly distributed on the cover wall of a kiln head cover at the position of one fourth of the lower left portion of the combustor, M oxygen-rich nozzles are evenly distributed on the cover wall of the kiln head cover at the position of one fourth of the lower right portion of the combustor, 1<=N<=3, 1<=M<=5, N<=M, an oxygen-rich nozzle on the upper right side of the combustor is arranged on the upper side of the cover wall of the kiln head cover at the position of one fourth of the lower right portion of the combustor.
Description
Technical field
The present invention relates to the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln energy-saving and emission-reduction system, be applicable to all rotary kilns, belong to the energy-conservation sciemtifec and technical sphere of oxygen-enriched combusting and rotary kiln.
Background technology
General rotary kiln adopts the combustion-supporting or whole oxygen enriching burning-aid of normal air, and the combustion-supporting combustion efficiency of normal air is not good, adopt that whole oxygen enriching burning-aid has that investment is large, side effect many as furnace life obviously descend, NO
XObviously improve etc., but local oxygen enriching burning-aid technology more complicated, particularly oxygen rich gas are sent into the interior position of rotary kiln and the distribution of angle and oxygen rich gas etc., directly have influence on the effects of energy saving and emission reduction of oxygen-enriched combustion-supporting.
Summary of the invention
The purpose of this invention is to provide a kind of layout of rotary kiln rich-oxygen nozzle and oxygen rich gas distribution etc. to optimize the local oxygen-enriched oxygenation jet combustion supporting of the rotary kiln energy-saving and emission-reduction system that improves rotary kiln oxygen-enriched combustion-supporting effect.
The local oxygen-enriched oxygenation jet combustion supporting of rotary kiln energy-saving and emission-reduction system, comprise rich-oxygen nozzle and the outer rich-oxygen nozzle of many cover burners in a set of burner, and the oxygen enrichment induction system of the part oxygen rich gas directly being sent into to kiln tail dore furnace, also have oxygen enrichment generating means and oxygen enrichment preheating device; It is characterized in that:
1, in burner, rich-oxygen nozzle is in the burner nozzle district, to install one to be with bevelled rich-oxygen nozzle, in burner, the maximum angle C of rich-oxygen nozzle spout inclined-plane and this rich-oxygen nozzle axis vertical plane is 1 ° ~ 15 °, and inclined-plane be oriented the tendency burner under, rich-oxygen nozzle spout inclined-plane does not exceed the burner fuel spout in burner, oxygen rich gas by centre bore in burner again in burner the rich-oxygen nozzle spout to be ejected into the front end of rotary kiln inner burner combustion-supporting.
2, the outer rich-oxygen nozzle of burner mainly is distributed in the latter half of burner, the outer rich-oxygen nozzle of burner is arranged on the front end of the outer oxygen enrichment spray gun of burner, the outer rich-oxygen nozzle of burner is in the cross section and the vertical range P of burner fuel spout between the rotary kiln rotating cylinder and cross section vertical rotary kiln rotating cylinder axis of the rotary kiln rotating cylinder rotary kiln rotating cylinder and vertical axis, P is 0 mm ~ 800 mm, the outer oxygen enrichment spray gun of every burner all separately and the burner axis on same plane, and with burner axis D in an angle, D is 1 ° ~ 60 °, the spout end of the outer oxygen enrichment spray gun of every burner and burner fuel spout end apart from S, the other end than the position of the close kiln head cover cover wall of the outer oxygen enrichment spray gun of this burner and burner fuel spout is near near the distance L of the position of kiln head cover cover wall, be S<L, S is 10 mm ~ 1000 mm, L is 100 mm ~ 2000 mm, for the rotary kiln be rotated counterclockwise, the uniform N of burner lower-left 1/4th a kiln head cover cover wall part rich-oxygen nozzle, the uniform M of burner bottom right 1/4th a kiln head cover cover wall part rich-oxygen nozzle, 1≤N≤3,1≤M≤5, N≤M, the upside of bottom right 1/4th kiln head cover cover wall parts is equipped with a burner upper right side rich-oxygen nozzle, and the included angle A between this rich-oxygen nozzle spout extreme higher position, burner upper right side and burner central point line and burner central horizontal line is 1 ° ~ 30 °, because rotary kiln is rotated counterclockwise, it is many that material in the rotary kiln rotating cylinder is distributed as the interior partial dynamic material of the interior partial dynamic material ratio of bottom right 1/4th rotating cylinders lower-left 1/4th rotating cylinders, and 1/4th rotating cylinder inside are divided into dynamically rolling from right to left to material in bottom right, in 1/4th rotating cylinders of bottom right, the calorific requirement of partial material obviously needs heat many than partial material in 1/4th rotating cylinders of lower-left, this just needs to improve near the ignition temperature partial material and burning heat release in 1/4th rotating cylinders of bottom right, therefore, the rich-oxygen nozzle that the rich-oxygen nozzle that bottom right 1/4th kiln head cover cover wall parts are installed is installed than lower-left 1/4th kiln head cover cover wall parts is slightly many.
3, in burner, the rich-oxygen nozzle nozzle exit is shaped as circle, and the outer rich-oxygen nozzle of burner nozzle exit is shaped as ellipse or rectangle.
4, a rich-oxygen nozzle of M rich-oxygen nozzle of N rich-oxygen nozzle of lower-left 1/4th kiln head cover cover wall parts and bottom right 1/4th kiln head cover cover wall parts and burner upper right side all is distributed in and take the burner central point on the circumference of the same circle in the center of circle, and the rich-oxygen nozzle nozzle exit is shaped as its oval major axis of oval-shaped nozzle and all is tangential on this circumference, its rectangle major axis of nozzle that the rich-oxygen nozzle nozzle exit is shaped as rectangle all is tangential on this circumference.
5, the outer rich-oxygen nozzle spout of burner is an inclined-plane, the outer rich-oxygen nozzle spout inclined-plane of burner is 1 ° ~ 25 ° with the maximum angle B of this rich-oxygen nozzle axis vertical plane, and all burners outward rich-oxygen nozzle spout inclined-plane all towards the central axis of burner.
6, its flow velocity of oxygen rich gas that in burner, rich-oxygen nozzle sprays is less than the oxygen rich gas flow velocity that the outer rich-oxygen nozzle of burner sprays, thereby makes the oxygen rich gas diffusion that in burner, rich-oxygen nozzle sprays and mix combustion-supporting with the fuel flow that burner sprays.
7, described oxygen enrichment generating means is vacuum pressure swing adsorption process (VPSA method) oxygenerator, or the embrane method oxygenerator, or Deep Cooling Method (being empty point-score) oxygen, and the oxygen-rich concentration provided is 30% ~ 45%.
8, described oxygen enrichment preheating device is to utilize the high-temperature flue gas of rotary kiln to carry out preheating, and the temperature of oxygen rich gas preheating is 180 ° ~ 600 °.
9, the outer oxygen enrichment spray gun of burner stretches out kiln head cover cover wall 300mm ~ 2000mm, and by an annulus and the angle that is contained in the outer oxygen enrichment spray gun of a plurality of screw rods adjusting control combustion devices on annulus, the kiln head cover cover cinclides that the outer oxygen enrichment spray gun of burner passes kiln head cover cover wall is greater than the external diameter of the outer oxygen enrichment spray gun of burner, thereby makes the outer oxygen enrichment spray gun of burner can do certain angle regulation and control.
The present invention compared with prior art has the following advantages:
1, the present invention can deliver to oxygen rich gas the place of anoxic of burning to greatest extent, thereby can improve significantly efficiency of combustion.
2, according to rotary kiln material, need hot distribution, the distribution of design and installation rich-oxygen nozzle, can maximally utilise oxygen rich gas and change combustion distribution, thereby meet the inhomogeneous requirement that material needs heat.
3, the inclined-plane of rich-oxygen nozzle spout is conducive to oxygen rich gas is transported to flame area, to improve the oxygen-enriched combustion-supporting effect.
The accompanying drawing explanation
Fig. 1 is the position view of embodiment of the present invention rich-oxygen nozzle spout when work;
Fig. 2 is device schematic diagram of the present invention;
Fig. 3 is the outer rich-oxygen nozzle structural representation of middle rotary kiln burner embodiment illustrated in fig. 2;
Fig. 4 is rich-oxygen nozzle structural representation in middle rotary kiln burner embodiment illustrated in fig. 2;
Fig. 5 is the outer rich-oxygen nozzle angle regulator schematic diagram of middle rotary kiln burner embodiment illustrated in fig. 2;
Fig. 6 is the outer elliptic cross-section rich-oxygen nozzle schematic diagram of middle rotary kiln burner embodiment illustrated in fig. 2;
Fig. 7 is the outer square-section of middle rotary kiln burner embodiment illustrated in fig. 2 rich-oxygen nozzle schematic diagram.
In Fig. 1-7: 1, rotary kiln rotating cylinder 2, the dynamic position line 3 of material in rotary kiln, material 4, the outer rich-oxygen nozzle spout 5 of burner, rotary kiln rotating cylinder direction of rotation 6, burner 7, burner fuel spout 8, centre bore 9 in burner, included angle A 10 between rich-oxygen nozzle spout extreme higher position, burner upper right side and burner central point line and burner central horizontal line, kiln head cover cover wall 11, kiln head heat oxygen rich air 12, high-temperature flue gas 13, rotary kiln body 14, oxygen enrichment generating means 15, oxygen enrichment preheating device 16, hot oxygen rich air 17, normal temperature oxygen rich air 18, middle temperature flue gas 19, dore furnace oxygen enrichment entrance 20, dore furnace 21, the outer rich-oxygen nozzle spout of burner inclined-plane 22, the maximum angle B 23 of the outer rich-oxygen nozzle spout inclined-plane of burner and this rich-oxygen nozzle axis vertical plane, rich-oxygen nozzle spout inclined-plane 24 in burner, the maximum angle C 25 of rich-oxygen nozzle spout inclined-plane and this rich-oxygen nozzle axis vertical plane in burner, screw rod 26, annulus 27, annulus and kiln head cover connecting rod 28, kiln head cover cover cinclides 29, the outer rich-oxygen nozzle 30 of burner, elliptic cross-section rich-oxygen nozzle 31, oval major axis 32, oval minor axis 33, elliptic cross-section rich-oxygen nozzle spout 34, square-section rich-oxygen nozzle 35, rectangle minor axis 36, square-section rich-oxygen nozzle spout 37, rectangle major axis 38, the outer oxygen enrichment spray gun of burner.
The specific embodiment
In the embodiment shown in Fig. 1-7: the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln energy-saving and emission-reduction system, comprise rich-oxygen nozzle and the outer rich-oxygen nozzle 29 of many cover burners in a set of burner, and the oxygen enrichment induction system of the part oxygen rich gas directly being sent into to kiln tail dore furnace 20, also have oxygen enrichment generating means 14 and oxygen enrichment preheating device 15; It is characterized in that: in burner, rich-oxygen nozzle is in the burner nozzle district, to install one to be with bevelled rich-oxygen nozzle, in burner, the maximum angle C24 of rich-oxygen nozzle spout inclined-plane and this rich-oxygen nozzle axis vertical plane is 1 ° ~ 15 °, and inclined-plane be oriented the tendency burner 6 under, rich-oxygen nozzle spout inclined-plane 23 does not exceed burner fuel spout 7 in burner, oxygen rich gas by centre bore in burner 8 again in burner the rich-oxygen nozzle spout to be ejected into the front end of rotary kiln inner burner 6 combustion-supporting.
The outer rich-oxygen nozzle 29 of burner mainly is distributed in the latter half of burner 6, the outer rich-oxygen nozzle 29 of burner is arranged on the front end of the outer oxygen enrichment spray gun 38 of burner, the outer rich-oxygen nozzle 29 of burner is in the cross section and the vertical range P of burner fuel spout 7 between rotary kiln rotating cylinder 1 and cross section vertical rotary kiln rotating cylinder 1 axis of rotary kiln rotating cylinder rotary kiln rotating cylinder 1 and vertical 1 axis, P is 0 mm ~ 800 mm, the outer oxygen enrichment spray gun 38 of every burner all separately and burner 6 axis on same plane, and with burner 6 axis D in an angle, D is 1 ° ~ 60 °, the spout end of the outer oxygen enrichment spray gun 38 of every burner and burner fuel spout 7 ends apart from S, the other end than the position of the outer oxygen enrichment spray gun 38 close kiln head cover cover walls 10 of this burner and burner fuel spout 7 is near near the distance L of the position of kiln head cover cover wall 10, S is 10 mm ~ 1000 mm, L is 100 mm ~ 2000 mm, for the rotary kiln be rotated counterclockwise, the uniform N of burner 6 lower-left 1/4th kiln head cover cover wall 10 a part rich-oxygen nozzle, the uniform M of burner 6 bottom right 1/4th kiln head cover cover wall 10 a part rich-oxygen nozzle, 1≤N≤3,1≤M≤5, N≤M, the upside of bottom right 1/4th kiln head cover cover wall 10 parts is equipped with a burner upper right side rich-oxygen nozzle, and the included angle A 9 between this rich-oxygen nozzle spout extreme higher position, burner upper right side and burner central point line and burner central horizontal line is 1 ° ~ 30 °, because rotary kiln is rotated counterclockwise, it is many that material 3 in rotary kiln rotating cylinder 1 is distributed as the interior partial dynamic material of the interior partial dynamic material ratio of bottom right 1/4th rotating cylinders lower-left 1/4th rotating cylinders, and 1/4th rotating cylinder inside are divided into dynamically rolling from right to left to material 3 in bottom right, in 1/4th rotating cylinders of bottom right, the calorific requirement of partial material obviously needs heat many than partial material in 1/4th rotating cylinders of lower-left, this just needs to improve near the ignition temperature partial material and burning heat release in 1/4th rotating cylinders of bottom right, therefore, the rich-oxygen nozzle that the rich-oxygen nozzle that bottom right 1/4th kiln head cover cover wall 10 parts are installed is installed than lower-left 1/4th kiln head cover cover wall 10 parts is slightly many.
In burner, the rich-oxygen nozzle nozzle exit is shaped as circle, and outer rich-oxygen nozzle spout 4 cross sectional shapes of burner are ellipse or rectangle.
M rich-oxygen nozzle of N rich-oxygen nozzle of lower-left 1/4th kiln head cover cover wall 10 parts and bottom right 1/4th kiln head cover cover wall 10 parts and a rich-oxygen nozzle of burner upper right side all are distributed in take burner 6 central points on the circumference of the same circle in the center of circle, and the rich-oxygen nozzle nozzle exit is shaped as its oval major axis 31 of oval-shaped nozzle and all is tangential on this circumference, its rectangle major axis 37 of nozzle that the rich-oxygen nozzle nozzle exit is shaped as rectangle all is tangential on this circumference.
The outer rich-oxygen nozzle spout 4 of burner is an inclined-plane, the outer rich-oxygen nozzle spout inclined-plane of burner is 1 ° ~ 25 ° with the maximum angle B22 of this rich-oxygen nozzle axis vertical plane, and all burners outward rich-oxygen nozzle spout inclined-plane 21 all towards the central axis of burner 6.
Its flow velocity of oxygen rich gas that in burner, rich-oxygen nozzle sprays is less than the oxygen rich gas flow velocity that the outer rich-oxygen nozzle 29 of burner sprays, thereby makes the oxygen rich gas diffusion that in burner, rich-oxygen nozzle sprays and mix combustion-supporting with the fuel flow that burner 6 sprays.
Described oxygen enrichment generating means 14 is vacuum pressure swing adsorption process (VPSA method) oxygenerators, or the embrane method oxygenerator, or Deep Cooling Method (being empty point-score) oxygen, and the oxygen-rich concentration provided is 30% ~ 45%.
Described oxygen enrichment preheating device 15 is to utilize the high-temperature flue gas 12 of rotary kiln to carry out preheating, and the temperature of oxygen rich gas preheating is 180 ℃ ~ 600 ℃.
The outer oxygen enrichment spray gun 38 of burner stretches out kiln head cover cover wall 10 and is 300mm ~ 2000mm, and by an annulus 26 and the angle that is contained in the outer oxygen enrichment spray gun 38 of a plurality of screw rods 25 adjusting control combustion devices on annulus 26, the kiln head cover cover cinclides 28 that the outer oxygen enrichment spray gun 38 of burner passes kiln head cover cover wall 10 is greater than the external diameter of the outer oxygen enrichment spray gun 38 of burner, thereby makes the outer oxygen enrichment spray gun 38 of burner can do certain angle regulation and control.
Claims (5)
1. the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln energy-saving and emission-reduction system, comprise rich-oxygen nozzle and the outer rich-oxygen nozzle (29) of many cover burners in a set of burner, and the oxygen enrichment induction system of the part oxygen rich gas directly being sent into to kiln tail dore furnace (20), also have oxygen enrichment generating means (14) and oxygen enrichment preheating device (15), it is characterized in that: in burner, rich-oxygen nozzle is in the burner nozzle district, to install one to be with bevelled rich-oxygen nozzle, the maximum angle C(24 of rich-oxygen nozzle spout inclined-plane and this rich-oxygen nozzle axis vertical plane in burner) it is 1 ° ~ 15 °, and inclined-plane be oriented the tendency burner (6) under, rich-oxygen nozzle spout inclined-plane (23) does not exceed burner fuel spout (7) in burner, oxygen rich gas by the interior centre bore (8) of burner again in burner the rich-oxygen nozzle spout to be ejected into the front end of rotary kiln inner burner (6) combustion-supporting, the outer rich-oxygen nozzle (29) of burner mainly is distributed in the latter half of burner (6), the outer rich-oxygen nozzle (29) of burner is arranged on the front end of the outer oxygen enrichment spray gun (38) of burner, the outer rich-oxygen nozzle (29) of burner is in the cross section and the vertical range P of burner fuel spout (7) between rotary kiln rotating cylinder (1) and cross section vertical rotary kiln rotating cylinder (1) axis of rotary kiln rotating cylinder (1) rotary kiln rotating cylinder (1) and vertical axis, P is 0 mm ~ 800 mm, the outer oxygen enrichment spray gun (38) of every burner all separately and burner (6) axis on same plane, and with burner (6) axis D in an angle, D is 1 ° ~ 60 °, the spout end of the outer oxygen enrichment spray gun (38) of every burner and burner fuel spout (7) hold apart from S, the other end than the position of the close kiln head cover cover wall (10) of the outer oxygen enrichment spray gun (38) of this burner and burner fuel spout (7) is near near the distance L of the position of kiln head cover cover wall (10), be S<L, S is 10 mm ~ 1000 mm, L is 100 mm ~ 2000 mm, for the rotary kiln be rotated counterclockwise, the uniform N of burner (6) lower-left 1/4th kiln head cover cover wall (a 10) part rich-oxygen nozzle, the uniform M of burner (6) bottom right 1/4th kiln head cover cover wall (a 10) part rich-oxygen nozzle, 1≤N≤3,1≤M≤5, N≤M, the upside of bottom right 1/4th kiln head cover cover wall (10) parts is equipped with a burner upper right side rich-oxygen nozzle, and the included angle A (9) between this rich-oxygen nozzle spout extreme higher position, burner upper right side and burner central point line and burner central horizontal line is 1 ° ~ 30 °, because rotary kiln is rotated counterclockwise, it is many that material (3) in rotary kiln rotating cylinder (1) is distributed as the interior partial dynamic material of the interior partial dynamic material ratio of bottom right 1/4th rotating cylinders lower-left 1/4th rotating cylinders, and 1/4th rotating cylinder inside are divided into dynamically rolling from right to left to material (3) in bottom right, in 1/4th rotating cylinders of bottom right, the calorific requirement of partial material obviously needs heat many than partial material in 1/4th rotating cylinders of lower-left, this just needs to improve near the ignition temperature partial material and burning heat release in 1/4th rotating cylinders of bottom right, therefore, the rich-oxygen nozzle that the rich-oxygen nozzle that bottom right 1/4th kiln head cover cover wall (10) parts are installed is installed than lower-left 1/4th kiln head cover cover wall (10) parts is slightly many, N rich-oxygen nozzle of lower-left 1/4th kiln head cover cover walls (10) parts and bottom right 1/4th kiln head cover cover walls (10) M rich-oxygen nozzle and a rich-oxygen nozzle of burner upper right side partly all is distributed in and take burner (6) central point on the circumference of the same circle in the center of circle, and the rich-oxygen nozzle nozzle exit is shaped as its oval major axis (31) of oval-shaped nozzle and all is tangential on this circumference, its rectangle major axis (37) of nozzle that the rich-oxygen nozzle nozzle exit is shaped as rectangle all is tangential on this circumference, the outer rich-oxygen nozzle spout (4) of burner is an inclined-plane, the maximum angle B(22 of the outer rich-oxygen nozzle spout inclined-plane of burner and this rich-oxygen nozzle axis vertical plane) be 1 ° ~ 25 °, and all burners outward rich-oxygen nozzle spout inclined-plane (21) all towards the central axis of burner (6), its flow velocity of oxygen rich gas that in burner, rich-oxygen nozzle sprays is less than the oxygen rich gas flow velocity that the outer rich-oxygen nozzle (29) of burner sprays, thereby makes the oxygen rich gas diffusion that in burner, rich-oxygen nozzle sprays and mix combustion-supporting with the fuel flow that burner (6) sprays.
2. the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln as claimed in claim 1 energy-saving and emission-reduction system is characterized in that: in burner, the rich-oxygen nozzle nozzle exit is shaped as circle, and outer rich-oxygen nozzle spout (4) cross sectional shape of burner is ellipse or rectangle.
3. the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln as claimed in claim 1 energy-saving and emission-reduction system, it is characterized in that: described oxygen enrichment generating means (14) is vacuum pressure swing adsorption process (VPSA method) oxygenerator, or embrane method oxygenerator, or Deep Cooling Method (being empty point-score) oxygen, the oxygen-rich concentration provided is 30% ~ 45%.
4. the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln as claimed in claim 1 energy-saving and emission-reduction system, it is characterized in that: described oxygen enrichment preheating device (15) is that the high-temperature flue gas (12) that utilizes rotary kiln carries out preheating, and the temperature of oxygen rich gas preheating is 180 ℃ ~ 600 ℃.
5. the local oxygen-enriched oxygenation jet combustion supporting of rotary kiln as claimed in claim 1 energy-saving and emission-reduction system, it is characterized in that: it is 300mm ~ 2000mm that the outer oxygen enrichment spray gun (38) of burner stretches out kiln head cover cover wall (10), and by an annulus (26) be contained in the angle that a plurality of screw rods (25) on annulus (26) are regulated the outer oxygen enrichment spray gun (38) of control combustion device, the kiln head cover cover cinclides (28) that the outer oxygen enrichment spray gun (38) of burner passes kiln head cover cover wall (10) is greater than the external diameter of the outer oxygen enrichment spray gun (38) of burner, thereby make the outer oxygen enrichment spray gun (38) of burner can do certain angle regulation and control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310387686.XA CN103411420B (en) | 2013-08-31 | 2013-08-31 | Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310387686.XA CN103411420B (en) | 2013-08-31 | 2013-08-31 | Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103411420A true CN103411420A (en) | 2013-11-27 |
| CN103411420B CN103411420B (en) | 2014-10-01 |
Family
ID=49604449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310387686.XA Active CN103411420B (en) | 2013-08-31 | 2013-08-31 | Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103411420B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672886A (en) * | 2014-01-06 | 2014-03-26 | 南京凯盛国际工程有限公司 | Local oxygen-enriched combustor for cement kiln furnace |
| CN105202538A (en) * | 2014-05-29 | 2015-12-30 | 南京圣火水泥新技术工程有限公司 | Burner nozzle of asymmetrical oxygen-enriched rotary kiln and asymmetrical oxygen-enriched rotary kiln |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010044089A1 (en) * | 1999-03-16 | 2001-11-22 | Ovidiu Marin | Kiln universal oxygen enrichment |
| CN101776277A (en) * | 2010-02-27 | 2010-07-14 | 魏伯卿 | Method and device for improving heat efficiency of combustion furnace by oxygen-rich partial oxygen-enriched jet flow combustion supporting |
| CN101851073A (en) * | 2009-03-31 | 2010-10-06 | 刘建君 | Equipment for baking cement clinker by dry method |
| CN101893253A (en) * | 2010-09-03 | 2010-11-24 | 魏伯卿 | Method for improving combustion temperature of combustion furnace by local oxygen-enriched oxygenation jet combustion-supporting technology and device thereof |
| CN102252323A (en) * | 2010-10-22 | 2011-11-23 | 魏伯卿 | Self-preheating oxygen-enriched combustor for combustion furnace with oxygen-enriched nozzle |
| CN202066336U (en) * | 2011-05-16 | 2011-12-07 | 鞍山普贝达科技有限公司 | Oxygen-enriched combustion-supporting burner for rotary kiln |
| CN102353058A (en) * | 2011-09-14 | 2012-02-15 | 魏伯卿 | Fuel oil and fuel gas oxygen rich mixed combustion nozzle for oxygen rich local oxygenation jet combustion supporting |
| CN103090665A (en) * | 2012-11-30 | 2013-05-08 | 沈光林 | Partial oxygenation combustion-supporting device and method for rotary kiln |
| CN103175394A (en) * | 2013-03-01 | 2013-06-26 | 大连易世达新能源发展股份有限公司 | Energy-saving emission-reducing partial oxygen-increasing combustion-supporting device used for cement kiln |
-
2013
- 2013-08-31 CN CN201310387686.XA patent/CN103411420B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010044089A1 (en) * | 1999-03-16 | 2001-11-22 | Ovidiu Marin | Kiln universal oxygen enrichment |
| CN101851073A (en) * | 2009-03-31 | 2010-10-06 | 刘建君 | Equipment for baking cement clinker by dry method |
| CN101776277A (en) * | 2010-02-27 | 2010-07-14 | 魏伯卿 | Method and device for improving heat efficiency of combustion furnace by oxygen-rich partial oxygen-enriched jet flow combustion supporting |
| CN101893253A (en) * | 2010-09-03 | 2010-11-24 | 魏伯卿 | Method for improving combustion temperature of combustion furnace by local oxygen-enriched oxygenation jet combustion-supporting technology and device thereof |
| CN102252323A (en) * | 2010-10-22 | 2011-11-23 | 魏伯卿 | Self-preheating oxygen-enriched combustor for combustion furnace with oxygen-enriched nozzle |
| CN202066336U (en) * | 2011-05-16 | 2011-12-07 | 鞍山普贝达科技有限公司 | Oxygen-enriched combustion-supporting burner for rotary kiln |
| CN102353058A (en) * | 2011-09-14 | 2012-02-15 | 魏伯卿 | Fuel oil and fuel gas oxygen rich mixed combustion nozzle for oxygen rich local oxygenation jet combustion supporting |
| CN103090665A (en) * | 2012-11-30 | 2013-05-08 | 沈光林 | Partial oxygenation combustion-supporting device and method for rotary kiln |
| CN103175394A (en) * | 2013-03-01 | 2013-06-26 | 大连易世达新能源发展股份有限公司 | Energy-saving emission-reducing partial oxygen-increasing combustion-supporting device used for cement kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672886A (en) * | 2014-01-06 | 2014-03-26 | 南京凯盛国际工程有限公司 | Local oxygen-enriched combustor for cement kiln furnace |
| CN105202538A (en) * | 2014-05-29 | 2015-12-30 | 南京圣火水泥新技术工程有限公司 | Burner nozzle of asymmetrical oxygen-enriched rotary kiln and asymmetrical oxygen-enriched rotary kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103411420B (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102062396B (en) | Composite concentration triple-wind-regulating low-NOx cyclone pulverized-coal burner | |
| CN201462853U (en) | Combustion nozzle used in lime rotary kiln | |
| CN107606602A (en) | A kind of horizontal boiler of SNCR and OFA interlaced arrangements | |
| CN204880116U (en) | Low NOX gas combustion ware | |
| CN103411420B (en) | Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln | |
| CN201697128U (en) | Oxygen-rich combustion device | |
| CN103335311B (en) | Combustion-supporting spray gun is drawn in whirlpool | |
| CN109175339B (en) | Double-combustion-supporting channel smoke internal circulation type ladle roaster | |
| CN207527582U (en) | The low nitrogen rotational flow gas-fired combustor of flue gas recirculation built in gas-air Accurate Classification | |
| CN102353058A (en) | Fuel oil and fuel gas oxygen rich mixed combustion nozzle for oxygen rich local oxygenation jet combustion supporting | |
| CN203274478U (en) | Local oxygenated combustion-supporting device used for energy conservation and emission reduction of cement kiln | |
| CN206786717U (en) | A kind of two-chamber combustion gas low nitrogen burning machine | |
| CN204005958U (en) | A kind of low NO of generating plant pulverized coal boiler | |
| CN203432291U (en) | Local oxygenation jet flow combustion-supporting energy-saving emission-reducing device for oxygen enrichment of rotary kiln | |
| CN206001464U (en) | A kind of novel tricyclic ignition combustor | |
| CN103175394A (en) | Energy-saving emission-reducing partial oxygen-increasing combustion-supporting device used for cement kiln | |
| CN201599795U (en) | Top combustion hot-blast stove burner | |
| CN103486582A (en) | Center powder feeding turbulent burner with straight sleeve barrel in center | |
| CN202209676U (en) | Coal spraying jet | |
| CN207555603U (en) | For the bleeding and energy saving spray gun of Industrial Stoves | |
| CN204285467U (en) | A kind of burner | |
| CN210219761U (en) | Low NOx natural gas burner for aluminum melting furnace | |
| CN203215667U (en) | Vortex burner | |
| CN202692036U (en) | Pulverized coal burner | |
| CN202229177U (en) | Over-fire air burning device with low nitric oxide discharge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181022 Address after: Room 807D, 8th Floor, No. 2 Shangdi Information Road, Haidian District, Beijing 100089 Patentee after: Beijing Qi Yue environmental Polytron Technologies Inc Address before: 314408 304, room 2, 30 shallow water bay, Kashi street, Haining, Jiaxing, Zhejiang. Patentee before: Wei Boqing |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Oxygen-rich partial oxygenation jet-flow combustion-supporting energy-saving emission-reducing system for rotary kiln Effective date of registration: 20190517 Granted publication date: 20141001 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: Beijing Qi Yue environmental Polytron Technologies Inc Registration number: 2019990000442 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |