CN203572204U - Short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner - Google Patents
Short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner Download PDFInfo
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- CN203572204U CN203572204U CN201320786320.5U CN201320786320U CN203572204U CN 203572204 U CN203572204 U CN 203572204U CN 201320786320 U CN201320786320 U CN 201320786320U CN 203572204 U CN203572204 U CN 203572204U
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Abstract
The utility model relates to a short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner, which has the technical scheme that long flame air holes (8) are uniformly formed in an annular lug boss built at the right end of a burner casing (7), a center hole of the annular lug boss is a burning chamber (9), and switching valves (15) are arranged at an end opening part of a short flame air inlet joint (16) and an end opening part of a long flame air inlet joint (14), one end of the short flame air pipeline (4) is embedded and arranged at the left end opening part of the burning chamber (9), the other end of the short flame air pipeline (4) is arranged in a way of being tightly pasted with the inner wall of a refractory brick (6), a fuel gas pipeline (2) is arranged in the short flame air pipeline (4), an air cyclone (13) is fixedly arranged between the inner wall of the short flame air pipeline (4) and the outer wall of the fuel gas pipeline (2), air outlet holes are uniformly formed in an outlet circular disc (10) arranged at the right end of the fuel gas pipeline (2), and a center air pipeline (1) is fixedly arranged in the center position of the outlet circular disc (10). The short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner has the characteristics that the structure is simple, the short flame and the long flame can be switched, the flame is controllable, the energy is saved, the applicability is high, and the work is stable.
Description
Technical field
The utility model belongs to extracting vanadium from stone coal rotary kiln burner technical field.Relate in particular to the switchable extracting vanadium from stone coal rotary kiln of a kind of short long flame flame burner.
Background technology
Rotary kiln is the very large a kind of equipment of energy consumption in vanadium extracting process, only has rotary kiln burner reasonable in design, could improve to greatest extent the energy utilization rate of rotary kiln.Burner not only provides fuel and oxidant for burning, is also the topmost power set of flame moulding simultaneously.Therefore, device, will provide good operating mode accurately, all very important to the reduction of the calcining of grog and cost.
Kiln has single channel, binary channels and multichannel with burner, and the number of port number is determined on a case-by-case basis.Several typical multichannel burner adopting at present has two kinds: PYRO-Jet burner (the fourth Soviet Union and Eastern Europe of a kind of ShiKHD company, Ye Xuchu. the numerical experiments [J] of the cold module feature of PYRO-JET burner. Nanjing University of Chemical Technology's journal (natural science edition), 2000:3); Another kind be HP type burner (Yang Chunhua. the application [J] of HP type multicenter combustor in wet-process rotary kiln. Yunnan building materials, 2002:8).
Though above-mentioned two kinds of burners have its known advantage, but the structure of these two kinds of burners is more complicated all, manufacturing cost is high, applicable occasion is relatively limited to, and can only produce short-flame or long flame, therefore flame length is uncontrollable, can not meet the different needs, and above-mentioned two kinds of burners all exist the shortcomings such as the strong and flame of complex structure, applicability is uncontrollable to some extent.
Summary of the invention
The utility model is intended to overcome the defect of prior art, object be to provide a kind of simple in structure, applicability is strong, energy-conservation, working stability and the controlled switchable extracting vanadium from stone coal rotary kiln of the short long flame flame burner of flame.
For achieving the above object, the technical solution adopted in the utility model is: the switchable extracting vanadium from stone coal rotary kiln of described short long flame flame burner comprises burner shell, centre wind pipeline, gas pipeline, short-flame air duct, long flame airport, air cyclone, transfer valve, long flame air intake joint, short-flame air intake joint.
Burner shell is circular tube shaped, the left end of burner shell is fixedly connected with end cap by the first flange, the center of end cap is provided with through hole, end cap inner side has been built refractory lining by laying bricks or stones, the inwall of burner shell has been built refractory brick by laying bricks or stones, the refractory brick that burner shell right-hand member is built by laying bricks or stones is boss in the form of a ring, has equably long flame airport on annular boss, and the centre bore of annular boss is combustion chamber.Short-flame air intake joint and long flame air intake joint are radially equipped with in the office, left side of burner shell, transfer valve, on the same plain line of burner shell, is being equipped with near the port of short-flame air intake joint and the port of long flame air intake joint in the center of circle of the center of circle of short-flame air intake joint and long flame air intake joint.The outer wall of burner shell is provided with the second flange, and the second flange is identical with the length of annular boss apart from the distance of burner shell right-hand member.
The right-hand member of short-flame air duct is inlaid in the left port place of combustion chamber, and the left end of short-flame air duct is close to the inwall setting of refractory brick, and the left end of short-flame air duct is positioned at the place, centre position of short-flame air intake joint and the long flame air intake joint line of centres.The right-hand member of gas pipeline is arranged in short-flame air duct through the through hole of end cap, between the inwall of the outer wall of gas pipeline and short-flame air duct, be provided with left support ring and right support ring, near short-flame air duct left end place and right-hand member place, be provided with accordingly left support ring and right support ring.Between the inwall of short-flame air duct and the outer wall of gas pipeline, be fixed with air cyclone, air cyclone is positioned at the left side of right support ring.
Outlet disk is fixedly housed in the right output port of gas pipeline, and outlet disk is provided with venthole equably; The left end cover closure of gas pipeline, is radially equipped with gas joint near the left end place of gas pipeline.The right-hand member of centre wind pipeline is through the closed cover of gas pipeline left end, and the right-hand member of centre wind pipeline is fixed on the center position of the outlet disk of gas pipeline right output port, and the right-hand member of centre wind pipeline is concordant with outlet disk right flank.
Burner shell, centre wind pipeline, gas pipeline, short-flame air duct, air cyclone concentric are installed.
Described burner shell is stainless steel, and the thickness of housing is 8～10mm.
Described refractory brick is High-Alumina burner block; The size of refractory brick is: the refractory brick thickness beyond annulus boss is 50～80mm, and the refractory brick thickness of annulus boss is 60～90mm, and length is 180～220mm.
The body of described short-flame air duct is pipe, and the left end of pipe is welded with hollow disk, and the external diameter of hollow disk is identical with the internal diameter of refractory brick; The right-hand member of pipe is reducing type, is frustum, and the angle of frustum and horizontal plane is 10～20o, and the body wall thickness of short-flame air duct is 4～5mm.
On described left support ring, be provided with equably air outlet, left support ring and right support annular shape and measure-alike.
Described refractory lining is mullite brick or for high-alumina brick or for clay brick.
Described outlet disk is heat-resistant high alloy steel, and thickness is 15～40mm.
Described centre wind pipeline body is pipe, and the right-hand member of centre wind pipeline is reducing type, is frustum, and the angle of frustum and horizontal plane is 10～20o; The wall thickness of centre wind pipeline is 2.5～3.5mm.
The wall thickness of described gas pipeline is 4～5mm.
The eddy flow angle of described air cyclone is 30～45o.
An axle of transfer valve is movably arranged in short-flame air intake joint and long flame air intake joint, and short-flame air intake joint is mutually vertical with two valves in long flame air intake joint.
Owing to having adopted technique scheme, the utility model compared with prior art, has following good effect:
Burner shell of the present utility model is stainless steel, can not only meet the high temperature resistant requirement of burner, and non-oxidizability by force, do not fall slag, do not ftracture, intensity is high and hardness is high, can effectively improve the service life of burner.
The utility model is when work, if requiring flame is short-flame, by the valve opening of the transfer valve of short-flame air intake joint, the valve closing of the transfer valve of long flame air intake joint, combustion gas mixes with the air entering from short-flame air duct in combustion chamber by gas pipeline, form short burnout, centre wind pipeline passes into air, also can regulate at any time the length of flame.If requiring flame is long flame, by the valve opening of the transfer valve of long flame air intake joint, the valve closing of the transfer valve of short-flame air intake joint, combustion gas mixes with the air entering from long flame airport in combustion chamber by gas pipeline, the burning of formation long flame, centre wind pipeline passes into air, also can regulate at any time the length of flame.When not specifying long flame or short burnout, by the valve of the transfer valve of short-flame air intake joint and long flame air intake joint in non-perpendicular or non-standard state, in combustion chamber, unburnt combustion gas can continue to mix with the air of long flame airport, form second-time burning, the air entering from long flame airport can reduce the temperature of mist simultaneously, effectively reduce the discharge capacity of NOx, improve the utilization rate of fuel.
Therefore, the utlity model has simple in structure, short-flame and long flame is changeable, flame is controlled, energy-conservation, applicability strong and the feature of working stability.This equipment can be used separately, also a plurality of equipment together can be used.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model will be further described, not the restriction to its protection domain.
embodiment 1
The switchable extracting vanadium from stone coal rotary kiln of a short long flame flame burner, as depicted in figs. 1 and 2: the switchable extracting vanadium from stone coal rotary kiln of described short long flame flame burner comprises burner shell 7, centre wind pipeline 1, gas pipeline 2, short-flame air duct 4, long flame airport 8, air cyclone 13, transfer valve 15, long flame air intake joint 14, short-flame air intake joint 16.
Burner shell 7 is circular tube shaped, the left end of burner shell 7 is fixedly connected with end cap 18 by the first flange 17, end cap 18 center is provided with through hole, end cap 18 inner sides have been built refractory lining 3 by laying bricks or stones, the inwall of burner shell 7 has been built refractory brick 6 by laying bricks or stones, the refractory brick 6 that burner shell 7 right-hand members are built by laying bricks or stones is boss in the form of a ring, has equably long flame airport 8 on annular boss, and the centre bore of annular boss is combustion chamber 9.Short-flame air intake joint 16 and long flame air intake joint 14 are radially equipped with in the office, left side of burner shell 7, transfer valve 15, on the same plain line of burner shell 7, is being equipped with near the port of short-flame air intake joint 16 and the port of long flame air intake joint 14 in the center of circle of the center of circle of short-flame air intake joint 16 and long flame air intake joint 14.It is identical with the length of annular boss apart from the distance of burner shell 7 right-hand members that the outer wall of burner shell 7 is provided with the second flange 12, the second flanges 12.
The right-hand member of short-flame air duct 4 is inlaid in the left port place of combustion chamber 9, the left end of short-flame air duct 4 is close to the inwall setting of refractory brick 6, and the left end of short-flame air duct 4 is positioned at the place, centre position of short-flame air intake joint 16 and long flame air intake joint 14 lines of centres.The right-hand member of gas pipeline 2 is arranged in short-flame air duct 4 through the through hole of end cap 18, between the inwall of the outer wall of gas pipeline 2 and short-flame air duct 4, be provided with left support ring 5 and right support ring 11, near short-flame air duct 4 left end places and right-hand member place, be provided with accordingly left support ring 5 and right support ring 11.Between the inwall of short-flame air duct 4 and the outer wall of gas pipeline 2, be fixed with air cyclone 13, air cyclone 13 is positioned at the left side of right support ring 11.
Burner shell 7, centre wind pipeline 1, gas pipeline 2, short-flame air duct 4, air cyclone 13 concentrics are installed.
Described burner shell 7 is stainless steel, and the thickness of housing 7 is 8～9mm.
Described refractory brick 6 is High-Alumina burner block; The size of refractory brick 6 is: refractory brick 6 thickness beyond annulus boss are 50～60mm, and refractory brick 6 thickness of annulus boss are 60～70mm, and length is 180～220mm.
The body of described short-flame air duct 4 is pipe, and the left end of pipe is welded with hollow disk, and the external diameter of hollow disk is identical with the internal diameter of refractory brick 6; The right-hand member of pipe is reducing type, is frustum, and the angle of frustum and horizontal plane is 10～15o, and the body wall thickness of short-flame air duct 4 is 4～5mm.
On described left support ring 5, be provided with equably air outlet, left support ring 5 is identical with right support ring 11 shape and size.
Described refractory lining 3 is mullite brick.
Described outlet disk 10 is heat-resistant high alloy steel, and thickness is 15～30mm.
Described centre wind pipeline 1 body is pipe, and the right-hand member of centre wind pipeline 1 is reducing type, is frustum, and the angle of frustum and horizontal plane is 10～15o; The wall thickness of centre wind pipeline 1 is 2.5～3.0mm.
The wall thickness of described gas pipeline 2 is 4～5mm.
The eddy flow angle of described air cyclone 13 is 30～40o.
An axle of transfer valve 15 is movably arranged in short-flame air intake joint 16 and long flame air intake joint 14, and two valves of short-flame air intake joint 16 and 14 li of long flame air intake joints are mutually vertical.
embodiment 2
The switchable extracting vanadium from stone coal rotary kiln of a kind of short long flame flame burner.Except following technical parameter, all the other are with embodiment 1:
Described burner shell 7 is stainless steel, and the thickness of housing 7 is 9～10mm.
Described refractory brick 6 is High-Alumina burner block; The size of refractory brick 6 is: refractory brick 6 thickness beyond annulus boss are 60～80mm, and refractory brick 6 thickness of annulus boss are 70～90mm, and length is 180～220mm.
The body of described short-flame air duct 4 is pipe, and the left end of pipe is welded with hollow disk, and the external diameter of hollow disk is identical with the internal diameter of refractory brick 6; The right-hand member of pipe is reducing type, is frustum, and the angle of frustum and horizontal plane is 15～20o, and the body wall thickness of short-flame air duct 4 is 4～5mm.
Described refractory lining 3 is for being high-alumina brick or being clay brick.
Described outlet disk 10 is heat-resistant high alloy steel, and thickness is 25～40mm.
Described centre wind pipeline 1 body is pipe, and the right-hand member of centre wind pipeline 1 is reducing type, is frustum, and the angle of frustum and horizontal plane is 15～20o; The wall thickness of centre wind pipeline 1 is 3.0～3.5mm.
The wall thickness of described gas pipeline 2 is 4～5mm.
The eddy flow angle of described air cyclone 13 is 35～45o.
Owing to having adopted technique scheme, the utility model compared with prior art, has following good effect:
The burner shell 7 of this specific embodiment is stainless steel, can not only meet the high temperature resistant requirement of burner, and non-oxidizability by force, do not fall slag, do not ftracture, intensity is high and hardness is high, can effectively improve the service life of burner.
This specific embodiment is when work, if requiring flame is short-flame, by the valve opening of the transfer valve 15 at short-flame air intake joint 16 places, the valve closing of the transfer valve 15 at long flame air intake joint 14 places, combustion gas 9 mixes with the air entering from short-flame air duct 4 in combustion chamber by gas pipeline 2, form short burnout, centre wind pipeline 1 passes into air, also can regulate at any time the length of flame.If requiring flame is long flame, by the valve opening of the transfer valve 15 at long flame air intake joint 14 places, the valve closing of the transfer valve 15 at short-flame air intake joint 16 places, combustion gas 9 mixes with the air entering from long flame airport 8 in combustion chamber by gas pipeline 2, the burning of formation long flame, centre wind pipeline 1 passes into air, also can regulate at any time the length of flame.When not specifying long flame or short burnout, by the valve of the transfer valve 15 at short-flame air intake joint 16 and long flame air intake joint 14 places in non-perpendicular or non-standard state, in combustion chamber, 9 unburnt combustion gas can continue to mix with the air of long flame airport 8, form second-time burning, the air entering from long flame airport 8 can reduce the temperature of mist simultaneously, effectively reduce the discharge capacity of NOx, improve the utilization rate of fuel.
Therefore, this specific embodiment has simple in structure, short-flame and long flame is changeable, flame is controlled, energy-conservation, applicability strong and the feature of working stability; This equipment can be used separately, also a plurality of equipment together can be used.
Claims (10)
1. the switchable extracting vanadium from stone coal rotary kiln of a short long flame flame burner, is characterized in that the switchable extracting vanadium from stone coal rotary kiln of described short long flame flame burner comprises burner shell (7), centre wind pipeline (1), gas pipeline (2), short-flame air duct (4), long flame airport (8), air cyclone (13), transfer valve (15), long flame air intake joint (14), short-flame air intake joint (16);
Burner shell (7) is circular tube shaped, the left end of burner shell (7) is fixedly connected with end cap (18) by the first flange (17), the center of end cap (18) is provided with through hole, end cap (18) inner side has been built refractory lining (3) by laying bricks or stones, the inwall of burner shell (7) has been built refractory brick (6) by laying bricks or stones, the refractory brick (6) that burner shell (7) right-hand member is built by laying bricks or stones is boss in the form of a ring, on annular boss, have equably long flame airport (8), the centre bore of annular boss is combustion chamber (9); Short-flame air intake joint (16) and long flame air intake joint (14) are radially equipped with in the office, left side of burner shell (7), transfer valve (15), on the same plain line of burner shell (7), is being equipped with near the port of short-flame air intake joint (16) and the port of long flame air intake joint (14) in the center of circle of the center of circle of short-flame air intake joint (16) and long flame air intake joint (14); The outer wall of burner shell (7) is provided with the second flange (12), and the second flange (12) is identical with the length of annular boss apart from the distance of burner shell (7) right-hand member;
The right-hand member of short-flame air duct (4) is inlaid in the left port place of combustion chamber (9), the left end of short-flame air duct (4) is close to the inwall setting of refractory brick (6), and the left end of short-flame air duct (4) is positioned at the place, centre position of short-flame air intake joint (16) and long flame air intake joint (14) line of centres; The right-hand member of gas pipeline (2) is arranged in short-flame air duct (4) through the through hole of end cap (18), between the inwall of the outer wall of gas pipeline (2) and short-flame air duct (4), be provided with left support ring (5) and right support ring (11), near short-flame air duct (4) left end place and right-hand member place, be provided with accordingly left support ring (5) and right support ring (11); Between the inwall of short-flame air duct (4) and the outer wall of gas pipeline (2), be fixed with air cyclone (13), air cyclone (13) is positioned at the left side of right support ring (11);
Outlet disk (10) is fixedly housed in the right output port of gas pipeline (2), and outlet disk (10) is provided with venthole equably; The left end cover closure of gas pipeline (2), is radially equipped with gas joint near the left end place of gas pipeline (2); The right-hand member of centre wind pipeline (1) is through the closed cover of gas pipeline (2) left end, the right-hand member of centre wind pipeline (1) is fixed on the center position of the outlet disk (10) of gas pipeline (2) right output port, and the right-hand member of centre wind pipeline (1) is concordant with outlet disk (10) right flank;
Burner shell (7), centre wind pipeline (1), gas pipeline (2), short-flame air duct (4), air cyclone (13) concentric are installed.
2. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, is characterized in that described burner shell (7) is stainless steel, and the thickness of housing (7) is 8～10mm.
3. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, is characterized in that described refractory brick (6) is High-Alumina burner block; The size of refractory brick (6) is: refractory brick (6) thickness beyond annulus boss is 50～80mm, and the refractory brick of annulus boss (6) thickness is 60～90mm, and length is 180～220mm.
4. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, the body that it is characterized in that described short-flame air duct (4) is pipe, the left end of pipe is welded with hollow disk, and the external diameter of hollow disk is identical with the internal diameter of refractory brick (6); The right-hand member of pipe is reducing type, is frustum, and the angle of frustum and horizontal plane is 10～20o, and the body wall thickness of short-flame air duct (4) is 4～5mm.
5. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, is characterized in that being provided with equably air outlet on described left support ring (5), and left support ring (5) is identical with right support ring (11) shape and size.
6. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, is characterized in that described refractory lining (3) is for mullite brick or for high-alumina brick or be clay brick.
7. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, is characterized in that described outlet disk (10) is heat-resistant high alloy steel, and thickness is 15～40mm.
8. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, it is characterized in that described centre wind pipeline (1) body is pipe, the right-hand member of centre wind pipeline (1) is reducing type, is frustum, and the angle of frustum and horizontal plane is 10～20o; The wall thickness of centre wind pipeline (1) is 2.5～3.5mm.
9. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, is characterized in that the wall thickness of described gas pipeline (2) is 4～5mm.
10. the switchable extracting vanadium from stone coal rotary kiln of short long flame flame according to claim 1 burner, the eddy flow angle that it is characterized in that described air cyclone (13) is 30～45o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786320.5U CN203572204U (en) | 2013-12-04 | 2013-12-04 | Short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320786320.5U CN203572204U (en) | 2013-12-04 | 2013-12-04 | Short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner |
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| CN201320786320.5U Expired - Fee Related CN203572204U (en) | 2013-12-04 | 2013-12-04 | Short-long-flame flame-switchable stone coal vanadium extraction rotary kiln burner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605578A (en) * | 2016-01-31 | 2016-05-25 | 参化（上海）能源科技有限公司 | Combustor |
| CN106402866A (en) * | 2016-11-14 | 2017-02-15 | 安德森热能科技（苏州）有限责任公司 | Pure oxygen combustor with changeable flame shapes and method for changing flame shapes |
| CN110260321A (en) * | 2019-06-30 | 2019-09-20 | 华中科技大学 | It is a kind of to realize ultralow NOxThe rotary flameless burner of discharge |
-
2013
- 2013-12-04 CN CN201320786320.5U patent/CN203572204U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605578A (en) * | 2016-01-31 | 2016-05-25 | 参化（上海）能源科技有限公司 | Combustor |
| CN106402866A (en) * | 2016-11-14 | 2017-02-15 | 安德森热能科技（苏州）有限责任公司 | Pure oxygen combustor with changeable flame shapes and method for changing flame shapes |
| CN110260321A (en) * | 2019-06-30 | 2019-09-20 | 华中科技大学 | It is a kind of to realize ultralow NOxThe rotary flameless burner of discharge |
| CN110260321B (en) * | 2019-06-30 | 2020-06-02 | 华中科技大学 | Realize ultralow NOxVented rotary flameless combustor |
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Granted publication date: 20140430 Termination date: 20141204 |
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