CN201335630Y - Constant-temperature lifting blade roller type slag cooler - Google Patents
Constant-temperature lifting blade roller type slag cooler Download PDFInfo
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- CN201335630Y CN201335630Y CNU2009200387517U CN200920038751U CN201335630Y CN 201335630 Y CN201335630 Y CN 201335630Y CN U2009200387517 U CNU2009200387517 U CN U2009200387517U CN 200920038751 U CN200920038751 U CN 200920038751U CN 201335630 Y CN201335630 Y CN 201335630Y
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- isothermal
- cooling machine
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Abstract
The utility model discloses a constant-temperature lifting blade roller type slag cooler which comprises a rotary drum, wherein, the rotary drum comprises an inner barrel and an outer barrel, an annular cavity between the inner barrel and the outer barrel is filled with cooling water, and a plurality of lifting blades are arranged on the inner wall of the inner barrel and are spirally arranged to the other end of the inner wall of the inner barrel from one end of the inner wall of the inner barrel. The roller type slag cooler is characterized in that all the lifting blades in the rotary drum or the lifting blade only positioned at the high-temperature section in the rotary drum is provided with an inner cavity, and the inner cavity is communicated with the annular cavity between the inner barrel and the outer barrel. In the constant-temperature lifting blade roller type slag cooler, since the lifting blades are hollow structures, the inner cavity of the lifting blades is communicated with the annular cavity between the inner barrel and the outer barrel, the heat exchange area is increased by a plurality of times, the heat transfer efficiency is obviously improved, the heat energy carried away is high, the expansion heights of the lifting blades can be increased and the slag flow of the large-tonnage slag cooler is improved.
Description
Technical field
The utility model relates to a kind of isothermal lifting blade drum slag cooling machine that is applied to industries such as metallurgy, electric power, petrochemical industry fluidized-bed combustion boiler, belongs to field of mechanical technique.
Background technology
Barrel slag cooler is the equipment that is mainly used in the cooling of fluidized-bed combustion boiler slag.Fluidized-bed combustion boiler slag tapping temperature is about 1050 ℃, is cooled to 100 ℃ by cold slag machine, and cooling medium is a water.Existing cold slag machine comprises base, drive unit, feed arrangement, drawing mechanism, swing roller, swivel joint.The swing roller of barrel slag cooler is a double-layer barrel, logical cooling water in the middle of the double-layer barrel, and inner core is walked slag.Conventional barrel slag cooler is the board-like barrel slag cooler of lifting, is provided with the polylith lifting blade at the inner core inwall, and described polylith lifting blade shape is in the shape of a spiral arranged to the other end from an end of inner core inwall, and the top of every lifting blade is to a lateral buckling.Its course of work is: motor via reducer, sprocket wheel chain are given swing roller with transmission of power, and cylindrical shell is rotated.Open the Inlet and outlet water valve, make cooling water be full of rotary barrel and guarantee certain flow and hydraulic pressure, high-temperature material enters in the rotary barrel by feed arrangement, and along with the rotation of cylindrical shell, material continuously is fed forward along passage.In the course of conveying, low-temperature cooling water by heat conductive metal wall and reverse flow carries out sufficient heat exchange, water after the heating can directly enter equipment such as oxygen-eliminating device, reduce the input of heater, cooled slag temperature is lower than 100 ℃, can carry by conveying equipments such as chain bucket conveyers, but and active cinder making cement grog.
Because the existence of existing lifting blade thermal resistance, lifting blade launches height can not be too high, otherwise can be because the hot environment in the tube and by serious scaling loss, thereby limited the cold slag heat exchange of large-tonnage effect, directly causes the slag flow to reduce.
Barrel slag cooler high temperature section lifting blade blade adopts the manufacturing of high-temperature antiwear alloy steel plate more in the industry at present, device fabrication cost height, and the heat conduction of lifting blade blade, heat transfer property are poor.In addition because the down operation of its hot soak condition, very easily scaling loss even come off at inner barrel causes stifled slag, so equipment fault is more, maintenance cost is higher.
The utility model content
Technical problem to be solved in the utility model provides a kind of barrel slag cooler that improves slag heat exchange effect, improves the slag flow.
Another technical problem to be solved in the utility model provides a kind of barrel slag cooler that reduces the operating maintenance cost.
For solving the problems of the technologies described above, the utility model provides a kind of isothermal lifting blade drum slag cooling machine, comprise swing roller, described swing roller comprises inner core and urceolus, toroidal cavity between described inner core and urceolus is full of cooling water, be provided with the polylith lifting blade at the inner core inwall, described polylith lifting blade shape is in the shape of a spiral arranged to the other end from an end of inner core inwall, it is characterized in that: all lifting blade or the lifting blade that only is positioned at the swing roller high temperature section have internal cavities, described internal cavities and inner core in the described swing roller, toroidal cavity between the urceolus is connected.
The beneficial effect that the utility model reached:
Isothermal lifting blade drum slag cooling machine of the present utility model is because its lifting blade is designed to the structure of hollow, and the internal cavities of lifting blade is connected with toroidal cavity between inner core, the urceolus, make heat exchange area increase several times, heat transfer efficiency obviously improves, taking away thermal energy improves, the cold slag machine of large-tonnage slag flow is improved, simultaneously, because heat exchange efficiency improves, in faults such as lifting blade launch when highly increasing scaling loss can not take place yet, be out of shape, come off, thereby reduced the maintenance cost of equipment, improved the operational efficiency of barrel slag cooler greatly.
Description of drawings
Fig. 1 is the interior lifting blade distributed architecture schematic diagram of swing roller of the barrel slag cooler of prior art;
Fig. 2 is the interior lifting blade structural representation of swing roller of isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 3 is the interior lifting blade front cross-sectional view of swing roller of the first embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 4 is the interior lifting blade side cross-sectional views of swing roller of the first embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 5 is the interior lifting blade front cross-sectional view of swing roller of the second embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 6 is the interior lifting blade side cross-sectional views of swing roller of the second embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 7 is the interior lifting blade front cross-sectional view of swing roller of the 3rd embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 8 is the interior lifting blade side cross-sectional views of swing roller of the 3rd embodiment isothermal lifting blade drum slag cooling machine of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the interior lifting blade distributed architecture schematic diagram of swing roller of the barrel slag cooler of prior art;
Fig. 2 is the interior lifting blade structural representation of swing roller of isothermal lifting blade drum slag cooling machine of the present utility model.
Existing barrel slag cooler comprises swing roller, described swing roller comprises inner core 2 and urceolus 1, toroidal cavity between described inner core 2 and urceolus 1 is full of cooling water, be provided with polylith lifting blade 3 at the inner core inwall, described polylith lifting blade shape is in the shape of a spiral arranged to the other end from an end of inner core inwall, the inner no cavitys of lifting blade 3, and lifting blade 3 tops are to a lateral buckling, and two flangings have 105 ° angle.
Isothermal lifting blade drum slag cooling machine of the present utility model, comprise swing roller, described swing roller comprises inner core 2 and urceolus 1, toroidal cavity between described inner core 2 and urceolus 1 is full of cooling water, be provided with polylith lifting blade 3 at the inner core inwall, described polylith lifting blade shape is in the shape of a spiral arranged to the other end from an end of inner core inwall, it is characterized in that: all lifting blade 3 or the lifting blade 3 that only is positioned at the swing roller high temperature section have internal cavities 9 in the described swing roller, and described internal cavities 9 is connected with toroidal cavity between inner core 2, the urceolus 1.
Fig. 3 is the interior lifting blade front cross-sectional view of swing roller of the first embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 4 is the interior lifting blade side cross-sectional views of swing roller of the first embodiment isothermal lifting blade drum slag cooling machine of the present utility model.
In first embodiment of the present utility model, described lifting blade 3 is a board-type, forms the big internal cavities 9 in little bottom, top by two block plates and two end side panels, and every block plate comprises successively vertical section 4 of linking to each other, tilting section 5 and linkage section 8.
The length of described lifting blade 3 is 200-300mm, and lifting blade 3 highly is 100-500mm, and steel plate thickness is 8mm-10mm, and the lower end vertically thickness of section is 36mm, and the tip thickness of lifting blade 3 is 26mm-30mm, and vertically the height of section 4 is 25mm.
Fig. 5 is the interior lifting blade front cross-sectional view of swing roller of the second embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 6 is the interior lifting blade side cross-sectional views of swing roller of the second embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
In second embodiment of the present utility model, described lifting blade 3 is the bent plate type, forms the internal cavities 9 of top to a lateral buckling by two block plates and two end side panels, and every block plate comprises successively vertical section 4 of linking to each other, tilting section 5, bending segment 6 and linkage section 8.
The length of described lifting blade 3 is 200-300mm, vertically the height of section 4 is 25mm, vertically the total height of section 4 and tilting section 5 is 100-400mm, steel plate thickness is 8mm-10mm, the lower end vertically thickness of section is 36mm, the tip thickness of lifting blade 3 is 26mm-30mm, and the length of bending segment 6 is 48mm, and the center line of the bending segment of described internal cavities 9 is 105 ° with the angle of the center line of vertical section.
Fig. 7 is the interior lifting blade front cross-sectional view of swing roller of the 3rd embodiment isothermal lifting blade drum slag cooling machine of the present utility model;
Fig. 8 is the interior lifting blade side cross-sectional views of swing roller of the 3rd embodiment isothermal lifting blade drum slag cooling machine of the present utility model.
In the 3rd embodiment of the present utility model, described lifting blade 3 is the bent plate type, forms the internal cavities 9 of top to a lateral bending song by two block plates and two end side panels, and every block plate comprises successively vertical section 4 of linking to each other, tilting section 5, bend 7 and linkage section 8.
The length of described lifting blade 3 is 200-300mm, the total height of lifting blade 3 is 100-500mm, steel plate thickness is 8mm-10mm, the lower end vertically thickness of section is 36mm, tip thickness is 26mm-30mm, vertically the height of section 4 is 25mm, and vertically the total height of section 4 and tilting section 5 is 50-300mm, and the bend center line arc radius R1 of described internal cavities 9 is 100-150mm.
Lifting blade material in the swing roller of isothermal lifting blade drum slag cooling machine of the present utility model can be carbon steel, stainless steel and heatproof steel alloy.
The manufacture method of the lifting blade in the swing roller of isothermal lifting blade drum slag cooling machine of the present utility model can have two kinds:
1. steel plate Combination Welding: according to welding conditions, combined plate is all processed required bevel for welding in accordance with regulations, adopts arc welding built-up welding successively to form, and heat-treats annealing again to eliminate stress.
2. integral cast steel: according to the cast steel technological specification, adopt the sand casting one-shot forming after, heat-treat again and artificial aging is handled to eliminate stress.
After lifting blade completed, at cold slag machine inner core wall, cutting rectangle groove square hole inserted lifting blade on the inner tube wall, and inside and outside two-sided full weld is guaranteed firmly not have to leak never drop-off.Recirculated cooling water between inside and outside cylindrical shell just can enter the effect that the lifting blade hollow position plays the cooling isothermal lifting blade.
Barrel slag cooler is mainly used in the cooling of solid slag, utilizes energy savings again for the supporting conveying equipment of next stage provides necessary condition and heat exchange heat energy.Because prior art can not fundamentally solve a lifting blade scaling loss difficult problem, making the large-tonnage barrel slag cooler just is difficult to realize, adopt the hollow water-cooled isothermal lifting blade just to solve the difficult problem of lifting blade Yin Gaowen scaling loss, can make all surface of a lifting blade reach isothermal, so lifting blade launches highly can strengthen as required, make heat exchange area increase several times, heat transfer efficiency obviously improves, and has solved the low and low problem of slag flow of the cold slag machine of large-tonnage heat exchanger effectiveness.
Claims (8)
1. isothermal lifting blade drum slag cooling machine, comprise swing roller, described swing roller comprises inner core (2) and urceolus (1), toroidal cavity between described inner core (2) and urceolus (1) is full of cooling water, be provided with polylith lifting blade (3) at the inner core inwall, described polylith lifting blade shape is in the shape of a spiral arranged to the other end from an end of inner core inwall, it is characterized in that: all lifting blade (3) or the lifting blade (3) that only is positioned at the swing roller high temperature section have internal cavities (9), described internal cavities (9) and inner core (2) in the swing roller, toroidal cavity between the urceolus (1) is connected.
2. isothermal lifting blade drum slag cooling machine according to claim 1, it is characterized in that: described lifting blade (3) is board-type, form the big internal cavities (9) in little bottom, top by two block plates and two end side panels, every block plate comprises vertical section (4), tilting section (5) and the linkage section (8) that links to each other successively.
3. isothermal lifting blade drum slag cooling machine according to claim 2, it is characterized in that: the length of described lifting blade (3) is 200-300mm, lifting blade (3) highly is 100-500mm, steel plate thickness is 8mm-10mm, the lower end vertically thickness of section is 36mm, the tip thickness of lifting blade (3) is 26mm, and vertically the height of section (4) is 25mm.
4. isothermal lifting blade drum slag cooling machine according to claim 1, it is characterized in that: described lifting blade (3) is the bent plate type, form the internal cavities (9) of top to a lateral buckling by two block plates and two end side panels, every block plate comprises vertical section (4), tilting section (5), bending segment (6) and the linkage section (8) that links to each other successively.
5. isothermal lifting blade drum slag cooling machine according to claim 4, it is characterized in that: the length of described lifting blade (3) is 200-300mm, vertically the height of section (4) is 25mm, vertically the total height of section (4) and tilting section (5) is 100-400mm, steel plate thickness is 8mm-10mm, the lower end vertically thickness of section (4) is 36mm, the tip thickness of lifting blade (3) is 26mm-30mm, the length of bending segment (6) is 48mm, and the center line of the bending segment of described internal cavities (9) is 105 ° with the angle of the center line of vertical section.
6. isothermal lifting blade drum slag cooling machine according to claim 1, it is characterized in that: described lifting blade (3) is the bent plate type, form the internal cavities (9) of top to a lateral bending song by two block plates and two end side panels, every block plate comprises vertical section (4), tilting section (5), bend (7) and the linkage section (8) that links to each other successively.
7. isothermal lifting blade drum slag cooling machine according to claim 6, it is characterized in that: the length of described lifting blade (3) is 200-300mm, the total height of lifting blade (3) is 100-500mm, steel plate thickness is 8mm-10mm, the lower end vertically thickness of section (4) is 36mm, and tip thickness is 26mm-30mm, and vertically the height of section (4) is 25mm, vertically the total height of section (4) and tilting section (5) is 50-300mm, and the bend center line arc radius R1 of described internal cavities (9) is 100-150mm.
8. according to each described isothermal lifting blade drum slag cooling machine of claim 1 to 7, it is characterized in that: described lifting blade (3) material is carbon steel, stainless steel and heatproof steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200387517U CN201335630Y (en) | 2009-01-08 | 2009-01-08 | Constant-temperature lifting blade roller type slag cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200387517U CN201335630Y (en) | 2009-01-08 | 2009-01-08 | Constant-temperature lifting blade roller type slag cooler |
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| Publication Number | Publication Date |
|---|---|
| CN201335630Y true CN201335630Y (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200387517U Expired - Lifetime CN201335630Y (en) | 2009-01-08 | 2009-01-08 | Constant-temperature lifting blade roller type slag cooler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458045B (en) * | 2009-01-08 | 2011-09-07 | 南京科臣节能设备有限公司 | Isothermal lifting blade drum slag cooling machine |
| CN102977930A (en) * | 2012-11-22 | 2013-03-20 | 三门峡天昊干燥工程有限公司 | Superhigh-temperature ash slag cooling machine and superhigh-temperature ash slag cooling system composed of same |
| CN103322560A (en) * | 2012-03-19 | 2013-09-25 | 刘柏谦 | Roller type slag cooler for eliminating false cooling of ash slag |
-
2009
- 2009-01-08 CN CNU2009200387517U patent/CN201335630Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458045B (en) * | 2009-01-08 | 2011-09-07 | 南京科臣节能设备有限公司 | Isothermal lifting blade drum slag cooling machine |
| CN103322560A (en) * | 2012-03-19 | 2013-09-25 | 刘柏谦 | Roller type slag cooler for eliminating false cooling of ash slag |
| CN102977930A (en) * | 2012-11-22 | 2013-03-20 | 三门峡天昊干燥工程有限公司 | Superhigh-temperature ash slag cooling machine and superhigh-temperature ash slag cooling system composed of same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091028 Effective date of abandoning: 20090108 |