CN219972121U - Rotor structure of thin-layer drying machine - Google Patents
Rotor structure of thin-layer drying machine Download PDFInfo
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- CN219972121U CN219972121U CN202321315991.3U CN202321315991U CN219972121U CN 219972121 U CN219972121 U CN 219972121U CN 202321315991 U CN202321315991 U CN 202321315991U CN 219972121 U CN219972121 U CN 219972121U
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- rotor
- thin
- blades
- zone
- driving shaft
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- 238000001035 drying Methods 0.000 title abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000010802 sludge Substances 0.000 abstract description 27
- 238000001704 evaporation Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a sludge drying device, in particular to a rotor structure of a thin-layer drying machine, which has the technical problems that in the existing indirect drying technology, a large amount of heat is lost, the evaporation efficiency is low, the steam consumption is increased, the use cost of the sludge drying machine is high, the sludge drying machine is troublesome in maintenance, and the internal vulnerable parts are not easy to replace. The rotor structure of the thin-layer drier comprises a rotor body, a plurality of rib plates, a plurality of blades, a driving shaft, a non-driving shaft and a connecting assembly; the rib plates are fixedly arranged on the outer wall of the rotor body; the blades are arranged on the rib plates through the connecting components; one end of the driving shaft is used for being connected with an external driving mechanism, and the other end of the driving shaft is fixedly connected with the rotor body; one end of the non-driving shaft is used for being connected with an end cover of the thin-layer drier, and the other end of the non-driving shaft is fixedly connected with the rotor body; the rotor body comprises a rapid pushing zone, at least one coating and slow pushing zone and a reverse unloading zone which are sequentially connected from a feeding end to a discharging end.
Description
Technical Field
The utility model relates to a sludge drying device, in particular to a rotor structure of a thin-layer dryer.
Background
Sludge treatment has been a concern to those skilled in the industry and municipal wastewater treatment processes. The steam drying method uses steam heat energy to indirectly exchange heat through the shell layer of the heat exchanger, so that the water in the evaporated sludge is dried. The sludge drying technology is a process of net expenditure of energy, and can consume more than 80% of the operating cost of the wet sludge drying device, so that the method has important practical significance for developing energy-saving and consumption-reducing sludge drying technology and improving the evaporation efficiency of a dryer.
In the existing indirect drying technology, the rotor of the thin-layer dryer is spiral, so that a large amount of heat loss exists in the sludge treatment process of the thin-layer dryer, the evaporation efficiency is low, the steam consumption is increased, the use cost of the dryer is high, the sludge dryer is troublesome in maintenance, and the internal vulnerable parts are not easy to replace.
Disclosure of Invention
The utility model aims at solving the technical problems that in the existing indirect drying technology, a large amount of heat is lost, so that the evaporation efficiency is low, the steam consumption is increased, the use cost of a sludge drying machine is high, the sludge drying machine is troublesome in maintenance, and the internal vulnerable parts are not easy to replace.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the rotor structure of the thin layer drier is coaxially arranged in the shell of the thin layer drier and is characterized in that: the rotor comprises a rotor body, a plurality of rib plates, a plurality of blades, a connecting assembly, a driving shaft and a non-driving shaft, wherein the driving shaft and the non-driving shaft are fixed at two ends of the rotor;
the rib plates are axially and fixedly arranged on the outer wall of the rotor body;
the blades are arranged on the rib plates through the connecting components;
the other end of the driving shaft is used for being connected with an external driving mechanism;
the other end of the non-driving shaft is connected with an end cover of the thin-layer drier;
the rotor body comprises a rapid pushing zone, at least one coating and slow pushing zone and a reverse unloading zone which are sequentially arranged from a feeding end to a discharging end; the rapid pushing zone, the coating and slow pushing zone and the reverse unloading zone respectively comprise multistage blades; and the junction of the coating and slow-speed pushing area and the reverse discharging area is opposite to the discharge port of the thin-layer drier.
Further, the included angle between the blades of the rapid pushing zone and the forward direction of the rotor shaft of the rotor body is 40-50 degrees;
the included angle between the blades of the reverse unloading area and the forward direction of the rotor shaft of the rotor body is-40 degrees to-50 degrees; the positive direction of the rotor shaft refers to the direction from the driving shaft to the non-driving shaft.
Further, the included angle between the blades of the coating and slow-speed pushing zone and the positive direction of the rotor shaft of the rotor body is 0-15 degrees.
Further, the multi-stage blades in the coating and slow-speed propelling zone are distributed in a staggered mode; wherein the angle of the blade for coating is 0 DEG, and the angle of the blade for slow propulsion is 10 DEG-15 deg.
Further, the position of the blade in the coating and slow-pushing zone is positively changed towards the rotor shaft.
Further, the angles of the multistage blades of the rapid propulsion area are consistent;
the angles of the multi-stage blades in the reverse discharging area are consistent.
Further, the rotor comprises at least one weight plate arranged on the rotor body; the counterweight plates are arranged between the adjacent rib plates;
the blades are spirally distributed in the coating and slow-speed pushing area.
Further, a plurality of rib plates are uniformly distributed along the circumference of the outer wall of the rotor body.
Further, the fast forward section comprises 2-4 stage blades and the reverse discharge section comprises 1-2 stage blades.
Further, a pair of shackle plates (10) provided on the rotor body; the lifting lug plate (10) is lower than the blade;
the connecting component comprises a bolt, a nut and a gasket; the blade is fixed on the rib plate through bolts, nuts and gaskets.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
1. according to the rotor structure of the thin-layer drier, the rotor body, the plurality of rib plates and the plurality of blades are utilized, so that the heat exchange area is increased, the drying speed of wet sludge is increased, the evaporation efficiency is remarkably improved, and the problems of low evaporation efficiency caused by a large amount of heat loss and increased energy consumption and use cost of the existing drier in the use process are solved.
2. According to the rotor structure of the thin-layer drier, the blades are simpler to set, so that the vulnerable parts are more convenient to replace and maintain, and the maintenance cost of equipment is reduced.
Drawings
FIG. 1 is a cross-sectional view of a rotor structure of a thin layer dryer of the present utility model;
FIG. 2 is a schematic perspective view of a rotor structure of a thin layer dryer according to the present utility model;
FIG. 3 is a right side view of FIG. 1;
fig. 4 is an enlarged schematic view at a in fig. 3.
The reference numerals in the drawings are:
1-rotor body, 2-rib plate, 3-blade, 4-drive shaft, 5-non-drive shaft, 6-bolt, 7-nut, 8-gasket, 9-weight plate, 10-lug plate.
Detailed Description
As shown in fig. 1 to 4, the rotor structure of the thin-layer dryer provided by the utility model comprises a rotor body 1, a plurality of rib plates 2, a plurality of blades 3, a driving shaft 4, a non-driving shaft 5, a weight plate 9, a lifting lug plate 10 and a connecting assembly; wherein the connection assembly comprises a bolt 6, a nut 7 and a washer 8. The rib plates 2 are axially and fixedly arranged on the outer wall of the rotor body 1; the plurality of blades 3 are arranged on the rib plate 2 through bolts 6, nuts 7 and gaskets 8;
in the embodiment, the rotor body 1 is an integral hollow shaft, a plurality of parallel rib plates 2 are fixedly arranged on the outer wall of the hollow shaft, a plurality of blades 3 with different angles are arranged on the rib plates 2, a driving shaft 4 and a non-driving shaft 5 are respectively arranged at two ends of the rotor body 1, one end of the driving shaft 4 is used for being connected with an external driving mechanism, and the other end of the driving shaft 4 is coaxially and fixedly connected with the rotor body 1; one end of the non-driving shaft 5 is used for being connected with an end cover of the thin-layer drier, and the other end is fixedly connected with the rotor body 1 in a coaxial way; lifting lug plates 10 are installed at two ends of the rotor body 1 close to the driving shaft 4 and the non-driving shaft 5, the height of the lifting lug plates 10 is lower than that of the blades 3, the lifting lug plates 10 are used for lifting the rotor body 1, and when the rotor body 1 is placed on the ground, the supporting effect can be achieved, so that the blades 3 are prevented from being damaged by stress. At least one weight plate 9 is arranged on the rotor body 1, the weight plate 9 is arranged between the adjacent rib plates 2, and the weight plate 9 is fixedly welded with the rotor body 1, mainly for keeping the dynamic balance of the rotor body 1 in the rotating process, and preventing damage to the rotor body 1.
The rotor body 1 comprises a fast pushing zone, at least one coating and slow pushing zone and a reverse unloading zone which are sequentially connected from a feeding end to a discharging end. The rapid pushing zone, the coating and slow pushing zone and the reverse unloading zone respectively comprise multistage blades 3; and the junction of the coating and slow-speed pushing area and the reverse discharging area is opposite to the discharge port of the thin-layer drier. The included angle between the vane 3 of the fast-propelling zone and the forward direction of the rotor shaft of the rotor body 1 is 40-50 degrees, the included angle between the vane 3 of the coating and slow-propelling zone and the forward direction of the rotor shaft of the rotor body 1 is 0-15 degrees, and the included angle between the vane 3 of the reverse discharging zone and the forward direction of the rotor shaft of the rotor body 1 is-40-50 degrees; the rotor shaft forward direction refers to the direction from the drive shaft 4 to the non-drive shaft 5.
Preferably, the coating and slow-propelling zone multistage blades 3 are arranged in a staggered manner; wherein the angle of the blade 3 for coating is 0 DEG, and the angle of the blade 3 for slow propulsion is 10 DEG-15 DEG; the rib plates 2 are uniformly distributed along the circumference of the outer wall of the rotor body 1. The blades 3 are spirally distributed in a coating and slow-speed pushing area, and the positions of the blades change towards the positive direction of the rotor shaft; the angles of the multistage blades 3 in the rapid propulsion area are consistent; the angles of the multi-stage blades 3 in the reverse discharging area are consistent.
The working process of the above embodiment is specifically as follows:
after the rotor body 1 runs, when sludge enters the thin layer drier from the feed inlet, 2-4 circles of forward 40-50-degree blades 3 are arranged near the feed inlet, and the blades 3 can quickly push the sludge entering the thin layer drier to a coating and slow-speed pushing area, so that the wet sludge is prevented from being accumulated and blocked at an inlet.
After the sludge enters a coating and slow-speed pushing zone, as the zone is provided with 0-degree blades 3, the 0-degree blades 3 coat wet sludge 360 degrees on a jacket shell outside the rotor body 1, and meanwhile, the 10-15-degree blades 3 in the zone slowly push the sludge forwards; the position close to the discharge hole is provided with 1-2 circles of reverse 45-degree blades, so that the sludge can be rapidly collected and pushed to the discharge hole; in the whole process from the sludge entering the thin layer drying machine to the discharge of the thin layer drying machine, the sludge uniformly forms a dynamic thin layer on the jacket shell, the thickness of the thin layer is kept at 5-10 mm, the thin layer of the sludge is continuously updated and is pushed to the discharge port, the sludge stays in the thin layer drying machine for about 10-15 min, and in the process, indirect heat exchange is realized between the sludge and a heating medium (or steam) in the jacket shell, so that the purpose of evaporating water in the sludge is achieved.
Claims (10)
1. The utility model provides a thin layer desiccator rotor structure, coaxial setting is in the shell of thin layer desiccator, its characterized in that: the rotor comprises a rotor body (1), a plurality of rib plates (2), a plurality of blades (3), a connecting assembly, a driving shaft (4) and a non-driving shaft (5) which are fixed at two ends of the rotor;
the rib plates (2) are axially and fixedly arranged on the outer wall of the rotor body (1);
the blades (3) are arranged on the rib plates (2) through the connecting components;
the other end of the driving shaft (4) is used for being connected with an external driving mechanism;
the other end of the non-driving shaft (5) is connected with an end cover of the thin-layer drier;
the rotor body (1) comprises a rapid pushing zone, at least one coating and slow pushing zone and a reverse unloading zone which are sequentially arranged from a feeding end to a discharging end; the rapid pushing zone, the coating and slow pushing zone and the reverse unloading zone respectively comprise multistage blades (3); and the junction of the coating and slow-speed pushing area and the reverse discharging area is opposite to the discharge port of the thin-layer drier.
2. A thin-layer dryer rotor structure according to claim 1, characterized in that:
the included angle between the blades (3) of the rapid propulsion area and the rotor shaft of the rotor body (1) is 40-50 degrees;
the included angle between the blades (3) of the reverse unloading area and the forward direction of the rotor shaft of the rotor body (1) is-40 degrees to-50 degrees; the positive direction of the rotor shaft refers to the direction from the driving shaft (4) to the non-driving shaft (5).
3. A rotor structure of a thin layer dryer according to claim 1 or 2, characterized in that:
the included angle between the blade (3) of the coating and slow-speed pushing zone and the rotor shaft positive direction of the rotor body (1) is 0-15 degrees.
4. A thin-layer dryer rotor structure according to claim 3, characterized in that:
the coating and slow-speed propelling zone multistage blades (3) are distributed in a staggered mode; wherein the angle of the blade (3) for coating is 0 DEG, and the angle of the blade (3) for slow propulsion is 10 DEG-15 deg.
5. The rotor structure of a thin-layer dryer according to claim 4, wherein:
the position of the blade (3) in the coating and slow-speed pushing zone changes forward to the rotor shaft.
6. The rotor structure of a thin-layer dryer according to claim 5, wherein:
the angles of the multistage blades (3) of the rapid propulsion area are consistent;
the angles of the multi-stage blades (3) in the reverse unloading area are consistent.
7. The rotor structure of a thin-layer dryer according to claim 6, wherein:
the rotor comprises a rotor body (1) and at least one counterweight plate (9); the weight plates (9) are arranged between the adjacent rib plates (2);
the blades (3) are spirally distributed in a coating and slow-speed pushing area.
8. The rotor structure of a thin-layer dryer according to claim 7, wherein:
the rib plates (2) are uniformly distributed along the circumference of the outer wall of the rotor body (1).
9. The rotor structure of a thin-layer dryer according to claim 8, wherein:
the rapid propulsion zone comprises 2-4 stage blades and the reverse discharge zone comprises 1-2 stage blades (3).
10. A thin layer dryer rotor structure according to claim 9, characterized in that:
the rotor comprises a rotor body (1) and a pair of lifting lug plates (10); the lifting lug plate (10) is lower than the blade (3);
the connecting component comprises a bolt (6), a nut (7) and a gasket (8); the blade (3) is fixed on the rib plate (2) through a bolt (6), a nut (7) and a gasket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315991.3U CN219972121U (en) | 2023-05-26 | 2023-05-26 | Rotor structure of thin-layer drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315991.3U CN219972121U (en) | 2023-05-26 | 2023-05-26 | Rotor structure of thin-layer drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219972121U true CN219972121U (en) | 2023-11-07 |
Family
ID=88586668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321315991.3U Active CN219972121U (en) | 2023-05-26 | 2023-05-26 | Rotor structure of thin-layer drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219972121U (en) |
-
2023
- 2023-05-26 CN CN202321315991.3U patent/CN219972121U/en active Active
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