CN202902777U - Machine core provided with central pipe stem with one expanding and retracting end and used for pipe bundle drier - Google Patents
Machine core provided with central pipe stem with one expanding and retracting end and used for pipe bundle drier Download PDFInfo
- Publication number
- CN202902777U CN202902777U CN 201220593626 CN201220593626U CN202902777U CN 202902777 U CN202902777 U CN 202902777U CN 201220593626 CN201220593626 CN 201220593626 CN 201220593626 U CN201220593626 U CN 201220593626U CN 202902777 U CN202902777 U CN 202902777U
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- admission
- tube sheet
- water side
- axle
- shaft
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Abstract
The utility model relates to a machine core provided with a central pipe stem with one extending and retracting end and used for a pipe bundle drier. The machine core comprises a steam inlet shaft, a steam inlet end gland, a steam inlet end pipe sheet, shovel fixing angle iron, heat exchange pipes, a supporting plate, a water outlet end gland, a water outlet end pipe sheet and a water outlet shaft; the steam inlet shaft is fixed with one end of the central pipe stem which penetrates through the supporting plate; the other end of the central pipe stem is connected with the water outlet end pipe sheet; and the central pipe stem can freely extend and retract relative to the water outlet end pipe sheet in an axial direction. According to the machine core, stress applied to the middle parts of the heat exchange pipes can act on the central pipe stem by the supporting plate, so that the falling distance of the middle parts of the heat exchange pipes can be reduced; therefore, the alternating stress applied to the heat exchange pipes in the rotation process of pipe cores can be reduced; one end of the central pipe stem can freely extend and retract in the axial direction, so that tensile stress produced due to the difference of the heating elongations of the central pipe stem and the heat exchange pipes can be effectively overcome; and therefore, the service life of the pipe bundle drier can be prolonged.
Description
Technical field:
The utility model belongs to the grain machinery equipment technical field, is specifically related to the telescopic pipe bundle drier movement of a kind of band intermediate tubular shaft and an end.
Background technology:
The rotating tube bank drying machine is widely used in dry corn byproducts (plumule, albumen, fiber) and alcohol grain, its operation principle is: motor via reducer and gear driven tube bank rotation, the flight that is contained in the tube core periphery is taken up material to the top of rotating tube bank and is fallen between the heat exchanger tube, owing to passing into high-temperature steam in the pipe, tube wall is heated, carry out heat exchange through heat transmission and heat radiation and wet feed, make the moisture evaporation.
This tube core by end socket, tube sheet, gripper shoe, admittedly shovel angle steel, heat exchanger tube forms, be welded with respectively admission axle and water outlet shaft on the end socket of two ends, admission axle and water outlet shaft are by tube sheet and heat exchanger tube vapor communication, and the positioning sleeve at admission axle and water outlet shaft and two tube sheet centers welds.On the one hand, because the heat exchanger tube between two tube sheets is horizontal positioned, and rigidity is very little, because Action of Gravity Field, heat exchanger tube can be at the middle part a sagging segment distance, simultaneously because the continuous rotation of tube core, heat exchanger tube can produce because of alternate stress fatigue rupture and even fracture; On the other hand, although there is manufacturer to increase intermediate tubular shaft, but because its two ends all are fixedly welded on the tube sheet, the elongation that is heated that causes intermediate tubular shaft is different from the elongation that is heated of heat exchanger tube and produced tension, has a strong impact on performance and the life-span of drying machine.
The utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of band intermediate tubular shaft and the telescopic pipe bundle drier movement of an end, and it is in the middle of the tube core at pipe bundle drier intermediate tubular shaft to be set, and the axial free-extension of an end of intermediate tubular shaft.The suffered gravity in heat exchanger tube middle part is acted on the intermediate tubular shaft by gripper shoe, can effectively reduce the sagging distance at heat exchanger tube middle part, thereby reduce heat exchanger tube suffered alternate stress in the rotary course of tube core; Simultaneously, because the axial free-extension of an end of intermediate tubular shaft, the elongation that is heated that can effectively overcome intermediate tubular shaft and the tension of generation different from the elongation that is heated of heat exchanger tube, thus prolonged life-span of pipe bundle drier.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The telescopic pipe bundle drier movement of a kind of band intermediate tubular shaft and an end, it comprises the admission axle, the admission end end socket, the admission end tube sheet, admittedly shovel angle steel, heat exchanger tube, gripper shoe, the water side end socket, water side tube sheet and water outlet shaft, the admission axle is fixed on the admission end end socket, water outlet shaft is fixed on the end socket of water side, admission end end socket and water side end socket positioned opposite, the admission end end socket is fixed on the admission end tube sheet, the water side end socket is fixed on the tube sheet of water side, be connected by heat exchanger tube between admission end tube sheet and the water side tube sheet, admission end tube sheet and water side tube sheet are passed respectively in the two ends of heat exchanger tube, the heat exchanger tube middle part is passed from gripper shoe, admittedly shoveling the two ends of angle steel fixes with admission end tube sheet and water side tube sheet respectively, wherein: an end of described admission axle and center tubular axis is fixed, the center tubular axis passes gripper shoe, the other end of center tubular axis is connected with the water side tube sheet, and the center tubular axis can be with respect to the axial free-extension of water side tube sheet.
Further, tube sheet inboard, described water side is fixed with axle sleeve, and an end of center tubular axis is provided with connecting axle, and the water side tube sheet is connected by axle sleeve and connecting axle with the center tubular axis, and connecting axle is connected by flat key with axle sleeve.
Further, described admission axle is hollow shaft, and an end of admission axle passes the admission end end socket and is communicated with the center tubular axis, and the shaft part that is arranged on admission end end socket and admission end tube sheet centre of admission axle is provided with venthole, and venthole is communicated with the inner chamber of admission axle.
Further, described water outlet shaft is hollow shaft, and it is arranged on the shaft part between water side tube sheet and the water side end socket and is provided with through hole, and this through hole is communicated with the inner chamber of water outlet shaft.
The beneficial effects of the utility model are:
1, the utility model is in the middle of the tube core at pipe bundle drier intermediate tubular shaft to be set, and the axial free-extension of an end of intermediate tubular shaft.The suffered gravity in heat exchanger tube middle part is acted on the intermediate tubular shaft by gripper shoe, can effectively reduce the sagging distance at heat exchanger tube middle part, thereby reduce heat exchanger tube suffered alternate stress in the rotary course of tube core.
2, center of the present utility model tubular axis is connected with axle sleeve by connecting axle with the water side tube sheet, and connecting axle and axle sleeve 13 are connected by flat key, the center tubular axis can be done axial free-extension with respect to the water side tube sheet like this, the elongation that is heated that can effectively overcome intermediate tubular shaft and the tension that produce different from the elongation that is heated of heat exchanger tube, thus life-span of pipe bundle drier prolonged.
3, the utility model is simple in structure, novel, convenient to operation, can effectively reduce the sag of chain of pipe bundle drier heat exchanger tube, guarantee the service life of heat exchanger tube, simultaneously, stress after minimizing center tubular axis is heated, guarantee pipe bundle drier service life to reduce unnecessary maintenance maintenance, the purpose of saving drying cost thereby reach.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the telescopic pipe bundle drier movement of a kind of band intermediate tubular shaft and an end, it comprises admission axle 1, admission end end socket 2, admission end tube sheet 3, admittedly shovel angle steel 4, heat exchanger tube 5, gripper shoe 6, water side end socket 11, water side tube sheet 10 and water outlet shaft 12, admission axle 1 is fixed on the admission end end socket 2, water outlet shaft 12 is fixed on the water side end socket 11, admission end end socket 2 and water side end socket 11 positioned opposite, admission end end socket 2 is fixed on the admission end tube sheet 3, water side end socket 11 is fixed on the water side tube sheet 10, be connected by heat exchanger tube 5 between admission end tube sheet 3 and the water side tube sheet 10, admission end tube sheet 3 and water side tube sheet 10 are passed respectively in the two ends of heat exchanger tube 5, heat exchanger tube 5 middle parts are passed from gripper shoe 6, admittedly it is fixing with admission end tube sheet 3 and water side tube sheet 10 respectively to shovel the two ends of angle steel 4, admission axle 1 is fixed with an end of center tubular axis 7, center tubular axis 7 also is hollow-core construction, center tubular axis 7 is communicated with admission axle 1, center tubular axis 7 passes gripper shoe 6, the other end of center tubular axis 7 is connected with water side tube sheet 10, tube sheet 10 inboards in water side are fixed with axle sleeve 13, one end of center tubular axis 7 is provided with connecting axle 8, water side tube sheet 10 is connected by axle sleeve 13 and connecting axle 8 with center tubular axis 7, connecting axle 8 is connected by flat key 9 with axle sleeve 13, thereby makes the center tubular axis 7 can be with respect to water side tube sheet 10 axial free-extensions.Admission axle 1 is hollow shaft, and an end of admission axle 1 passes admission end end socket 2 and is communicated with center tubular axis 7, and the shaft part that is arranged on admission end end socket 2 and admission end tube sheet 3 centres of admission axle 1 is provided with venthole, and venthole is communicated with the inner chamber of admission axle 1.Water outlet shaft 12 is hollow shaft, and it is arranged on the shaft part between water side tube sheet 10 and the water side end socket 11 and is provided with through hole, and this through hole is communicated with the inner chamber of water outlet shaft 12.
During use, the utility model rotation, admittedly and shovel angle steel 4 and drive the material of wanting dry and take up to the top of rotating tube bank and fall between the heat exchanger tube 5, owing to passing into high-temperature steam in the heat exchanger tube 5, with tube wall heating, carry out heat exchange through heat transmission and heat radiation with material, the moisture in the material is evaporated.
Admission axle 1 of the present utility model is hollow shaft, high-temperature steam enters from admission axle 1, then the venthole that arranges from admission axle 1 enters between admission end end socket 2 and the admission end tube sheet 3, then enter again heat exchanger tube 5, in the liquefaction that cools of heat exchanger tube 5 interior high-temperature steams, flow out from the other end of heat exchanger tube 5, then the through hole from the water outlet shaft 12 enters water outlet shaft 12 inner chambers, flows out at last.
Center of the present utility model tubular axis 7 is hollow pipe, and is communicated with admission axle 1, and in use, high-temperature steam enters in the center tubular axis 7 from admission axle 1, when center tubular axis 7 supports heat exchanger tube 5 and gripper shoe 6 again, also plays the effect of dried material.
The setting of the utility model center tubular axis 7, the weight that is heat exchanger tube 5 acts on the center tubular axis 7 by gripper shoe 6, therefore center tubular axis 7 will adopt the large tubular axis of rigidity, because the supporting role of center tubular axis 7, can effectively prevent the downward flexural deformation of heat exchanger tube 5, thereby reduced heat exchanger tube 5 suffered alternate stress in the rotary course of tube core, simultaneously, center tubular axis 7 can be done axial free-extension with respect to water side tube sheet 10, the elongation that is heated that can effectively overcome intermediate tubular shaft and the tension that produce different from the elongation that is heated of heat exchanger tube 5, thus life-span of pipe bundle drier prolonged.
Be noted that, the above embodiment is to the explanation of technical solutions of the utility model and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solutions of the utility model, all should be included within the desired interest field of the utility model.
Claims (4)
1. be with intermediate tubular shaft and the telescopic pipe bundle drier movement of an end for one kind, it comprises admission axle (1), admission end end socket (2), admission end tube sheet (3), admittedly shovel angle steel (4), heat exchanger tube (5), gripper shoe (6), water side end socket (11), water side tube sheet (10) and water outlet shaft (12), admission axle (1) is fixed on the admission end end socket (2), water outlet shaft (12) is fixed on the water side end socket (11), admission end end socket (2) and water side end socket (11) positioned opposite, admission end end socket (2) is fixed on the admission end tube sheet (3), water side end socket (11) is fixed on the water side tube sheet (10), be connected by heat exchanger tube (5) between admission end tube sheet (3) and the water side tube sheet (10), admission end tube sheet (3) and water side tube sheet (10) are passed respectively in the two ends of heat exchanger tube (5), heat exchanger tube (5) middle part is passed from gripper shoe (6), admittedly it is fixing with admission end tube sheet (3) and water side tube sheet (10) respectively to shovel the two ends of angle steel (4), it is characterized in that: described admission axle (1) is fixed with an end of center tubular axis (7), center tubular axis (7) passes gripper shoe (6), the other end of center tubular axis (7) is connected with water side tube sheet (10), and center tubular axis (7) can be with respect to the axial free-extension of water side tube sheet (10).
2. the telescopic pipe bundle drier movement of band intermediate tubular shaft according to claim 1 and an end, it is characterized in that: described water side tube sheet (10) inboard is fixed with axle sleeve (13), one end of center tubular axis (7) is provided with connecting axle (8), water side tube sheet (10) is connected by axle sleeve (13) and connecting axle (8) with center tubular axis (7), and connecting axle (8) is connected by flat key (9) with axle sleeve (13).
3. the telescopic pipe bundle drier movement of band intermediate tubular shaft according to claim 1 and an end, it is characterized in that: described admission axle (1) is hollow shaft, one end of admission axle (1) passes admission end end socket (2) and is communicated with center tubular axis (7), the shaft part that is arranged on admission end end socket (2) and admission end tube sheet (3) centre of admission axle (1) is provided with venthole, and venthole is communicated with the inner chamber of admission axle (1).
4. the telescopic pipe bundle drier movement of band intermediate tubular shaft according to claim 1 and an end, it is characterized in that: described water outlet shaft (12) is hollow shaft, it is arranged on the shaft part between water side tube sheet (10) and the water side end socket (11) and is provided with through hole, and this through hole is communicated with the inner chamber of water outlet shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593626 CN202902777U (en) | 2012-11-13 | 2012-11-13 | Machine core provided with central pipe stem with one expanding and retracting end and used for pipe bundle drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593626 CN202902777U (en) | 2012-11-13 | 2012-11-13 | Machine core provided with central pipe stem with one expanding and retracting end and used for pipe bundle drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202902777U true CN202902777U (en) | 2013-04-24 |
Family
ID=48123437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220593626 Expired - Fee Related CN202902777U (en) | 2012-11-13 | 2012-11-13 | Machine core provided with central pipe stem with one expanding and retracting end and used for pipe bundle drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202902777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972997A (en) * | 2016-06-27 | 2016-09-28 | 宜兴市格兰特干燥浓缩设备有限公司 | Direct-connection tube bundle drier |
| CN109489458A (en) * | 2018-12-26 | 2019-03-19 | 郑州博大浓缩干燥设备有限公司 | The cooling tube bank cooling system of powder granule shape material |
-
2012
- 2012-11-13 CN CN 201220593626 patent/CN202902777U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972997A (en) * | 2016-06-27 | 2016-09-28 | 宜兴市格兰特干燥浓缩设备有限公司 | Direct-connection tube bundle drier |
| CN109489458A (en) * | 2018-12-26 | 2019-03-19 | 郑州博大浓缩干燥设备有限公司 | The cooling tube bank cooling system of powder granule shape material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |