CN103062762B - Slip seal rotary lag cooler - Google Patents
Slip seal rotary lag cooler Download PDFInfo
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- CN103062762B CN103062762B CN201310004461.1A CN201310004461A CN103062762B CN 103062762 B CN103062762 B CN 103062762B CN 201310004461 A CN201310004461 A CN 201310004461A CN 103062762 B CN103062762 B CN 103062762B
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- cylinder body
- outer cylinder
- annular space
- inner barrel
- lag cooler
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Abstract
The invention belongs to Sector of Cfb Boilers, relate to lag cooler, especially relate to a kind of slip seal rotary lag cooler.This slip seal rotary lag cooler, comprise outer cylinder body and slag input hopper, one end of this outer cylinder body is slag input material end, the other end is for going out slag charge end, and outer cylinder body is connected with the driving mechanism that it can be driven to rotate, described slag input hopper is arranged on the slag input material end of outer cylinder body, it is characterized in that, inner barrel is fixed with inside the slag input material end of described outer cylinder body, the lower end of described slag input hopper extends to the end of inner barrel, and described outer cylinder body and the inwall of inner barrel are respectively equipped with the first helical structure and the second helical structure.The invention has the advantages that: 1, reasonable in design, structure is simple, good airproof performance, thoroughly solves slag, stifled slag phenomenon.2, good cooling results, not easily produces distortion, long service life.3, stable and smooth operation, ensures boiler combustion stability and heat-economy, avoids fault to produce.
Description
Technical field
The invention belongs to Sector of Cfb Boilers, relate to lag cooler, especially relate to a kind of slip seal rotary lag cooler.
Background technology
In CFBB, lag cooler is very important parts.The effect of lag cooler is the equipment carrying out the slag of discharging after burning from boiler to cool rear centralized collection process.Thick slag is directly discharged after lag cooler cooling, and it is husky that thin slag is used as benefit through cooling rear section, and part is discharged.Thickness slag is discharged along with the promotion of the blade of inner core after all carrying out heat exchange along with the rotation of lag cooler with the recirculated water in lag cooler chamber.At present, the rotary lag cooler of the many employings of China's recirculating fluidized bed pot lag cooler.In the running environment that lag cooler is in that temperature is high, slag and lag cooler inner core directly contact, lag cooler because under rugged environment, cause that it is not wear-resisting, service life not length, deformable blade, leakage slag is serious, sealing is poor, thus cause that the efficiency of CFBB is on the low side, combustion instability, parameters do not reach design load, affect the environment in workshop simultaneously.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of rotating slag cooling machine [application number: 200520092292.2], the housing of slag notch is had to be inside and outside two-layer under it having slag input hopper, power shaft to be inserted in mandrel through discharge end cover plate and to be fixedly connected with it, this mandrel outer surface is provided with the Double layer rotating blade of water flowing in interlayer, the other end of mandrel is fixed on output shaft outer surface, the end that this output shaft is inserted in mandrel is also fixed in mandrel, output axial wall between two connectors establishes through hole, and mandrel between this two connector is provided with apopore, this apopore is connected with blade interlayer, blade inlet opening is located on the mandrel wall of power shaft, and be connected with blade interlayer, above-mentioned output shaft is positioned at outside housing through feeding end patch ends, oral siphon is provided with in output shaft, its one end is located at output shaft and is positioned on the hole of mandrel inner end, the other end is positioned at outside housing.
Such scheme to some extent solves the partial technical problems of prior art, but it is reasonable not still to there is design, and sealing is not good, leaks slag serious, the technical problems such as cooling effect is not ideal enough.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, structure is simple, effectively solves the slip seal rotary lag cooler leaking slag problem.
For achieving the above object, present invention employs following technical proposal: this slip seal rotary lag cooler, comprise outer cylinder body and slag input hopper, one end of this outer cylinder body is slag input material end, the other end is for going out slag charge end, and outer cylinder body is connected with the driving mechanism that it can be driven to rotate, described slag input hopper is arranged on the slag input material end of outer cylinder body, it is characterized in that, inner barrel is fixed with inside the slag input material end of described outer cylinder body, the lower end of described slag input hopper extends to the end of inner barrel, described outer cylinder body and the inwall of inner barrel are respectively equipped with the first helical structure and the second helical structure.
As a kind of technical scheme comparatively optimized, in above-mentioned slip seal rotary lag cooler, described outer cylinder body and inner barrel are double-layer barrel structure, and described outer cylinder body has the first annular space, and described inner barrel has the second annular space.
Further, in above-mentioned slip seal rotary lag cooler, the length of described inner barrel is less than the length of outer cylinder body, is provided with can make coolant feed to the second annular space in input first annular space and from the cooling body that the first annular space exports after being back to the first annular space from the second annular space between outer cylinder body and inner barrel.
Further, in above-mentioned slip seal rotary lag cooler, described cooling body comprises the some return pipes be located in the first annular space, water fender is provided with at the middle part of return pipe, be provided with sealing ring in return pipe one end, the first annular space is separated into the outer backwater cavity of axial distribution successively, outer intake antrum and outer water chamber by described water fender and sealing ring; Be provided with in the second described annular space and the second annular space be separated into intake antrum at least one and the dividing plate of water chamber at least one, described outer intake antrum is connected by the first pipeline with interior intake antrum, described interior intake antrum is connected with interior water chamber, described interior water chamber is connected by the second pipeline with outer water chamber, and described outer water chamber is connected with outer backwater cavity by return pipe.
Further, in above-mentioned slip seal rotary lag cooler, described interior intake antrum distributes in a circumferential direction with interior water chamber and interior intake antrum is connected with one end of interior water chamber.
Further, in above-mentioned slip seal rotary lag cooler, the quantity of described dividing plate is four pieces and the second annular space is separated into two symmetrically arranged interior intake antrums and two symmetrically arranged interior water chambers, the first described pipeline has two and is connected with the other end of interior intake antrum respectively, and the second described pipeline has two and is connected with the other end of interior water chamber respectively.
Further, in above-mentioned slip seal rotary lag cooler, described outer intake antrum is connected with two outer water inlet pipes, described outer backwater cavity is connected with two outer return pipes, described outer water inlet pipe and outer water inlet pipe spaced apart in a circumferential direction with outer return pipe is connected with swivel joint with the end of outer return pipe.
Further, in above-mentioned slip seal rotary lag cooler, described return pipe is straight type pipe and each return pipe is uniformly distributed in a circumferential direction.
Further, in above-mentioned slip seal rotary lag cooler, one end of described return pipe is supported by described sealing ring, and the other end is supported by support ring, and described support ring is provided with the through hole passed through for cooling agent.
Further, in above-mentioned slip seal rotary lag cooler, the first described helical structure is the first conveyor screw protruding from outer cylinder body inwall, the second described helical structure is the second conveyor screw protruding from inner barrel inwall, and the described first spirochetal angle of inclination is greater than the second spirochetal angle of inclination.
Compared with prior art, the advantage of this slip seal rotary lag cooler is: 1, reasonable in design, and structure is simple, good airproof performance, thoroughly solves slag, stifled slag phenomenon.2, good cooling results, not easily produces distortion, long service life.3, stable and smooth operation, ensures boiler combustion stability and heat-economy, avoids fault to produce.
Accompanying drawing explanation
Fig. 1 is axial sectional structure schematic diagram provided by the invention.
Fig. 2 is horizontal sectional structure schematic diagram provided by the invention.
Fig. 3 is that Fig. 1 rotates in a circumferential direction the axial sectional structure schematic diagram after 90 degree.
Fig. 4 is that Fig. 2 rotates in a circumferential direction the horizontal sectional structure schematic diagram after 90 degree.
In figure, outer cylinder body 1, first helical structure 11, first conveyor screw 111, first annular space 12, return pipe 13, water fender 14, sealing ring 15, outer backwater cavity 16, outer intake antrum 17, outer water chamber 18, support ring 19, slag input hopper 2, driving mechanism 3, inner barrel 4, second helical structure 41, second conveyor screw 411, second annular space 42, interior intake antrum 43, interior water chamber 44, dividing plate 45, first pipeline 51, second pipeline 52, outer water inlet pipe 61, outer return pipe 62, swivel joint 63.
Detailed description of the invention
As Figure 1-4, this slip seal rotary lag cooler, comprise outer cylinder body 1 and slag input hopper 2, one end of this outer cylinder body 1 is slag input material end, the other end is for going out slag charge end, and outer cylinder body 1 is connected with the driving mechanism 3 that it can be driven to rotate, slag input hopper 2 is arranged on the slag input material end of outer cylinder body 1, inner barrel 4 is fixed with inside the slag input material end of outer cylinder body 1, the lower end of slag input hopper 2 extends to the end of inner barrel 4, and the inwall of outer cylinder body 1 and inner barrel 4 is respectively equipped with the first helical structure 11 and the second helical structure 41.First helical structure 11 is greater than the angle of inclination of the second conveyor screw 411 for angle of inclination that the first conveyor screw 111, second helical structure 41 protruding from outer cylinder body 1 inwall is the second conveyor screw 411, first conveyor screw 111 protruding from inner barrel 4 inwall.
Outer cylinder body 1 and inner barrel 4 are double-layer barrel structure, and outer cylinder body 1 has the first annular space 12, and inner barrel 4 has the second annular space 42.The length of inner barrel 4 is less than the length of outer cylinder body 1, is provided with can make coolant feed to the second annular space 42 in input first annular space 12 and from the cooling body that the first annular space 12 exports after being back to the first annular space 12 from the second annular space 42 between outer cylinder body 1 and inner barrel 4.Cooling body comprises the some return pipes 13 be located in the first annular space 12, water fender 14 is provided with at the middle part of return pipe 13, be provided with sealing ring 15 in return pipe 13 one end, the first annular space 12 is separated into the outer backwater cavity 16 of axial distribution successively, outer intake antrum 17 and outer water chamber 18 by water fender 14 and sealing ring 15; Be provided with in second annular space 42 and second annular space 42 be separated into intake antrum 43 at least one and the dividing plate 45 of water chamber 44 at least one, outer intake antrum 17 is connected by the first pipeline 51 with interior intake antrum 43, interior intake antrum 43 is connected with interior water chamber 44, interior water chamber 44 is connected by the second pipeline 52 with outer water chamber 18, and outer water chamber 18 is connected with outer backwater cavity 16 by return pipe 13.
Return pipe 13 is straight type pipe and each return pipe 13 is uniformly distributed in a circumferential direction.One end of return pipe 13 is supported by described sealing ring 15, and the other end is supported by support ring 19, and support ring 19 is provided with the through hole passed through for cooling agent.
Interior intake antrum 43 and interior water chamber 44 distribute in a circumferential direction and interior intake antrum 43 is connected with one end of interior water chamber 44.The quantity of dividing plate 45 is four pieces and the second annular space 42 is separated into two symmetrically arranged interior intake antrums 43 and two symmetrically arranged interior water chambers 44, first pipeline 51 has two and is connected with the other end of interior intake antrum 43 respectively, and the second pipeline 52 has two and is connected with the other end of interior water chamber 44 respectively.Outer intake antrum 17 is connected with two outer water inlet pipes 61, outer backwater cavity 16 is connected with two outer return pipes 62, outer water inlet pipe 61 and outer water inlet pipe 61 spaced apart in a circumferential direction with outer return pipe 62 is connected with swivel joint 63 with the end of outer return pipe 62.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ outer cylinder body 1 herein, first helical structure 11, first conveyor screw 111, first annular space 12, return pipe 13, water fender 14, sealing ring 15, outer backwater cavity 16, outer intake antrum 17, outer water chamber 18, support ring 19, slag input hopper 2, driving mechanism 3, inner barrel 4, second helical structure 41, second conveyor screw 411, second annular space 42, interior intake antrum 43, interior water chamber 44, dividing plate 45, first pipeline 51, second pipeline 52, outer water inlet pipe 61, outer return pipe 62, term such as swivel joint 63 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (8)
1. a slip seal rotary lag cooler, comprise outer cylinder body (1) and slag input hopper (2), one end of this outer cylinder body (1) is slag input material end, the other end is for going out slag charge end, and outer cylinder body (1) is connected with the driving mechanism that it can be driven to rotate (3), described slag input hopper (2) is arranged on the slag input material end of outer cylinder body (1), it is characterized in that, inner barrel (4) is fixed with inside the slag input material end of described outer cylinder body (1), the lower end of described slag input hopper (2) extends to the end of inner barrel (4), described outer cylinder body (1) and the inwall of inner barrel (4) are respectively equipped with the first helical structure (11) and the second helical structure (41), described outer cylinder body (1) and inner barrel (4) are double-layer barrel structure, described outer cylinder body (1) has the first annular space (12), and described inner barrel (4) has the second annular space (42), the length of described inner barrel (4) is less than the length of outer cylinder body (1), is provided with can make coolant feed to the second annular space (42) in input first annular space (12) and from the cooling body exported from the first annular space (12) after the second annular space (42) is back to the first annular space (12) between outer cylinder body (1) and inner barrel (4).
2. slip seal rotary lag cooler according to claim 1, it is characterized in that, described cooling body comprises the some return pipes (13) be located in the first annular space (12), water fender (14) is provided with at the middle part of return pipe (13), be provided with sealing ring (15) in return pipe (13) one end, the first annular space (12) is separated into the outer backwater cavity (16) of axial distribution successively, outer intake antrum (17) and outer water chamber (18) by described water fender (14) and sealing ring (15), be provided with in described the second annular space (42) and the second annular space (42) be separated into intake antrum at least one (43) and the dividing plate (45) of water chamber (44) at least one, described outer intake antrum (17) is connected by the first pipeline (51) with interior intake antrum (43), described interior intake antrum (43) is connected with interior water chamber (44), described interior water chamber (44) is connected by the second pipeline (52) with outer water chamber (18), described outer water chamber (18) is connected with outer backwater cavity (16) by return pipe (13).
3. slip seal rotary lag cooler according to claim 2, it is characterized in that, described interior intake antrum (43) and interior water chamber (44) distribute in a circumferential direction and interior intake antrum (43) is connected with one end of interior water chamber (44).
4. slip seal rotary lag cooler according to claim 3, it is characterized in that, the quantity of described dividing plate (45) is four pieces and the second annular space (42) is separated into two symmetrically arranged interior intake antrums (43) and two symmetrically arranged interior water chambers (44), described the first pipeline (51) has two and is connected with the other end of interior intake antrum (43) respectively, and described the second pipeline (52) has two and is connected with the other end of interior water chamber (44) respectively.
5. the slip seal rotary lag cooler according to Claims 2 or 3 or 4, it is characterized in that, described outer intake antrum (17) is connected with two outer water inlet pipes (61), described outer backwater cavity (16) is connected with two outer return pipes (62), described outer water inlet pipe (61) and outer water inlet pipe (61) spaced apart in a circumferential direction with outer return pipe (62) is connected with swivel joint (63) with the end of outer return pipe (62).
6. the slip seal rotary lag cooler according to Claims 2 or 3 or 4, is characterized in that, described return pipe (13) for straight type pipe and each return pipe (13) be uniformly distributed in a circumferential direction.
7. the slip seal rotary lag cooler according to Claims 2 or 3 or 4, it is characterized in that, one end of described return pipe (13) is by described sealing ring (15) supporting, the other end is by support ring (19) supporting, and described support ring (19) is provided with the through hole passed through for cooling agent.
8. according to the slip seal rotary lag cooler in claim 1-4 described in any one, it is characterized in that, described the first helical structure (11) is for protruding from first conveyor screw (111) of outer cylinder body (1) inwall, described the second helical structure (41) is for protruding from second conveyor screw (411) of inner barrel (4) inwall, and the angle of inclination of described the first conveyor screw (111) is greater than the angle of inclination of the second conveyor screw (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004461.1A CN103062762B (en) | 2013-01-06 | 2013-01-06 | Slip seal rotary lag cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004461.1A CN103062762B (en) | 2013-01-06 | 2013-01-06 | Slip seal rotary lag cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062762A CN103062762A (en) | 2013-04-24 |
| CN103062762B true CN103062762B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310004461.1A Expired - Fee Related CN103062762B (en) | 2013-01-06 | 2013-01-06 | Slip seal rotary lag cooler |
Country Status (1)
| Country | Link |
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| CN (1) | CN103062762B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373766A (en) * | 2018-11-19 | 2019-02-22 | 云南玉溪仙福钢铁（集团）有限公司 | Water cooling slag runner slot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961862Y (en) * | 2006-10-26 | 2007-10-17 | 青岛四洲电力设备有限公司 | Double-cylinder type roller slag-cooler cylinder |
| JP2009204231A (en) * | 2008-02-28 | 2009-09-10 | Research Institute Of Innovative Technology For The Earth | Heat recovering device from fusion blast furnace slag |
| CN201396770Y (en) * | 2009-06-01 | 2010-02-03 | 陆健华 | Film-wall-baffle-type slag cooler |
| CN203024144U (en) * | 2013-01-06 | 2013-06-26 | 杭州能达华威设备有限公司 | Differential sealing rotation slag cooler |
-
2013
- 2013-01-06 CN CN201310004461.1A patent/CN103062762B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961862Y (en) * | 2006-10-26 | 2007-10-17 | 青岛四洲电力设备有限公司 | Double-cylinder type roller slag-cooler cylinder |
| JP2009204231A (en) * | 2008-02-28 | 2009-09-10 | Research Institute Of Innovative Technology For The Earth | Heat recovering device from fusion blast furnace slag |
| CN201396770Y (en) * | 2009-06-01 | 2010-02-03 | 陆健华 | Film-wall-baffle-type slag cooler |
| CN203024144U (en) * | 2013-01-06 | 2013-06-26 | 杭州能达华威设备有限公司 | Differential sealing rotation slag cooler |
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| CN103062762A (en) | 2013-04-24 |
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Granted publication date: 20150909 Termination date: 20210106 |