CN221403826U - Hollow blade dryer - Google Patents
Hollow blade dryer Download PDFInfo
- Publication number
- CN221403826U CN221403826U CN202323436375.6U CN202323436375U CN221403826U CN 221403826 U CN221403826 U CN 221403826U CN 202323436375 U CN202323436375 U CN 202323436375U CN 221403826 U CN221403826 U CN 221403826U
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- CN
- China
- Prior art keywords
- paddle
- pivot
- shell
- casing
- hollow
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 2
- 239000010802 sludge Substances 0.000 abstract description 16
- 238000001035 drying Methods 0.000 abstract description 11
- 238000003756 stirring Methods 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000006072 paste Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the field of water-containing sludge treatment, and provides a hollow blade dryer. Including the casing, the one end at the top of casing is equipped with the feed inlet, and the other end at casing top is equipped with the air intake, and the fan is installed to air intake department, and casing internal rotation support has two pivots, installs a plurality of paddles respectively in each pivot, and the material that the feed inlet got into contacts with pivot and paddle and is pushed to the discharge gate ejection of compact, the paddle is wedge paddle, the pivot is the hollow shaft, and the paddle is hollow paddle, and the paddle is with the mesopore portion UNICOM of corresponding pivot, and the both ends of pivot are connected with circulation pipeline by rotary joint respectively, it has circulation heat transfer medium to let in the circulation pipeline. By introducing heat exchange medium into the hollow stirring shaft and the hollow stirring blades and matching the heat exchange medium introduced into the jacket of the shell and the sludge drying inside the hot air multi-dryer blown by the fan, the unit effective volume is provided with a huge heat transfer surface, so that the treatment time is shortened.
Description
Technical Field
The utility model relates to the field of water-containing sludge treatment, in particular to a hollow blade dryer.
Background
Industrial water-containing sludge is generally in paste, granule, powder or slurry form and cannot be directly calcined, and in the treatment process, the drying treatment is generally required, the internal moisture and the contained different volatile substances are evaporated and treated, and finally the dried solid sludge is subjected to the subsequent calcination treatment.
The existing drying equipment generally utilizes a jacket or an electric heating mode to dry the internal sludge, and the heating surface is arranged on the side wall of the drying equipment, so that the internal sludge cannot be uniformly dried, and the drying efficiency is low. Because the sludge has viscosity, the effect of drying is easily affected by adhesion on the stirring device and the inner wall, and the interior needs to be cleaned regularly.
Disclosure of Invention
In order to improve the efficiency of sludge drying treatment and avoid frequent cleaning work caused by the adhesion of sludge, the utility model aims to provide a hollow blade dryer.
The technical scheme adopted by the utility model is as follows:
the utility model provides a hollow blade desiccator, includes the casing, and the support is installed at the both ends of casing bottom, and the one end at the top of casing is equipped with the feed inlet, and the other end at casing top is equipped with the air intake, air intake department installs the fan, and the one side that the casing top is close to the feed inlet is equipped with the air outlet, and the one end that the feed inlet was kept away from to the well upper portion of casing side is equipped with the discharge gate, the casing internal rotation support has two pivots, installs a plurality of paddles respectively in each pivot, and the material that the feed inlet got into contacts with pivot and paddle and is pushed to the discharge gate ejection of compact, the paddle is wedge-shaped paddle, and the thickness of paddle is from one side to the opposite side gradual change, and 180 degrees phase place setting is different between adjacent paddles in same pivot, the crisscross setting of paddle of two pivots, the pivot is the hollow shaft, the paddle is hollow paddle, paddle and the mesoporous portion UNICOM of pivot, two the one end of pivot by a pair of synchronous gear meshing transmission, synchronous gear is connected with rotation input, the both ends of pivot are connected with circulation pipeline by rotary joint respectively, circulation medium has been let in the circulation pipeline.
Further, the shell is a double-layer jacket shell, the water inlet pipe and the water outlet pipe are respectively arranged at two sides of the shell, extend along the length direction of the shell and are communicated with the inner cavity of the jacket of the shell through a plurality of uniformly distributed branch pipes, and the water inlet pipe is connected with a circulating heat exchange medium.
Further, a heat exchanger is arranged between the air inlet and the fan, the fan blows hot air into the shell through the heat exchanger, and the hot air exchanges heat in the shell and discharges water vapor in the shell from the air outlet.
Further, the discharging pipe is installed in the outside of discharge gate, the vertical downward setting of discharging pipe, the below of discharging pipe is equipped with the hopper.
Further, feed arrangement is installed to the top of feed inlet, feed arrangement includes shaftless spiral quantitative conveyor and feeding storehouse, the feeding storehouse is installed directly over shaftless spiral quantitative conveyor, and shaftless spiral quantitative conveyor passes through the support mounting directly over the casing, and shaftless spiral quantitative conveyor's output is located directly over the feed inlet, sealed apron is installed to the feed inlet, and sealed apron is sealed the feed inlet after the feeding is accomplished.
Further, the cross section of the shell is W-shaped, and a material pressing space is formed between the side wall and the lower wall of the shell and the blade.
Further, the paddles are densely distributed on the rotating shafts, wherein the paddles on one rotating shaft are inserted into the gaps between two adjacent paddles on the rotating shaft adjacent to the rotating shaft.
After the technical scheme is adopted, the beneficial effects of the utility model are as follows:
Through letting in the heat transfer medium to hollow (mixing) shaft, paddle in, the inside mud stoving of hot-blast many dryers that cooperation casing cover in the heat transfer medium of letting in and fan drum was gone into, the heat transfer area covers the inside and the outside of mud to through wedge paddle's continuous stirring, wedge paddle plays compression and the stirring effect of inflation to mud, makes material granule fully contact with the heat transfer surface, has huge heat transfer surface in the effective volume of unit, just shortened process time.
Through the dense arrangement of the paddles and the inserted cross arrangement of the paddles between the adjacent rotating shafts, the paddles of the adjacent shafts can scrape off materials attached to the paddles during relative movement, the self-cleaning function of the heat transfer surfaces of the paddles is achieved, the cleaning frequency is reduced, the cleaning of the heat transfer surfaces of the paddles is ensured, and the heat exchange efficiency is ensured. The feed inlet is sealed in the treatment process, so that the leakage of dust and the like in the drying process is avoided, and the environmental pollution is small.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a schematic structural view of the hollow shaft and the blade.
In the figure: the device comprises a shell 1, a speed reducer 2, a stirring device 3, a feeding device 4, a fan 5, a hopper 6, a feeding hole 7, a discharging hole 8, a discharging pipe 9, a support 10, a shaftless spiral quantitative conveyor 11, a feeding bin 12, a rotating shaft 13, a blade 14, a synchronous gear 15, a speed reducer 16, a motor 17, a transmission gear 18, a rotating joint 19, a circulating pipeline 20, a water inlet pipe 21, a water outlet pipe 22, an air inlet 23, a heat exchanger 24 and an air outlet 25.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings, which illustrate specific embodiments of the utility model:
As shown in fig. 1, the hollow blade dryer is composed of a shell 1, a speed reducer 2, a stirring device 3, a feeding device 4, a fan 5, a hopper 6 and other parts, and is used for drying industrial sludge in the form of paste, granule, powder or slurry.
Support 10 is installed at the both ends of casing 1 bottom, and the one end at the top of casing 1 is equipped with feed inlet 7, and the closing plate is installed to feed inlet 7, and the feed inlet is sealed when drying treatment, avoids thermal loss and inside dust's giving off to outside. The middle upper portion of the side of the other end of casing 1 is equipped with discharge gate 8, and discharging pipe 9 is installed in the outside of discharge gate 8, and discharging pipe 9 vertical setting down is equipped with hopper 6 in the below of discharging pipe 9 for accept the material after the stoving.
The feeding device is arranged right above the feeding hole 7 through a bracket, the feeding device consists of a shaftless spiral quantitative conveyor 11 and a feeding bin 12, the feeding bin 12 is arranged right above the shaftless spiral quantitative conveyor 11, materials in the feeding bin 12 enter the shaftless spiral quantitative conveyor 11, and the output end of the shaftless spiral quantitative conveyor 11 is arranged right above the feeding hole 7 and feeds the materials into the dryer. The feeding speed can be accurately controlled through the shaftless spiral quantitative conveyor 11, so that materials are prevented from bridging and accumulating in the feeding bin, and continuous feeding is ensured.
The stirring device 3 consists of a pair of rotating shafts 13 and paddles 14 densely distributed on the rotating shafts 13 at equal intervals, the two rotating shafts 13 are respectively supported in the shell 1 through bearings in a rotating way, two ends of each rotating shaft 13 extend out of the shell, one end of each rotating shaft is provided with a pair of synchronous gears 15, and the two rotating shafts 13 rotate at the same speed in the opposite direction through the synchronous gears 15. The speed reducer 2 comprises a speed reducer 16 and a motor 17, the motor 17 drives the speed reducer 16 to rotate, and an output shaft of the speed reducer 16 is meshed with one of the synchronous gears 15 through a transmission gear 18, so that stirring of the stirring device in the shell and pushing of materials are realized.
The blade 14 is in the shape of a wedge-shaped disc, namely the thickness of the disc gradually decreases from one side to the other side, the adjacent blades 14 on the same rotating shaft 13 are arranged in 180-degree phase, namely the thin sides of the blades correspond to the thick sides of the adjacent blades, the section of the shell 1 is in a W shape, the side wall and the lower wall of the shell 1 keep equal gaps with the outer contour of the blades 14, and a material pressing space is formed. When the paddle 14 rotates for one circle, the paddle 14 has two effects of compressing and expanding the sludge, so that stirring is more uniform.
The rotating shaft 13 is a hollow shaft, the blades 14 are hollow blades, the inner cavities of the blades 14 are communicated with the hollow parts of the corresponding rotating shafts, two ends of the rotating shaft 13 are respectively connected with a circulating pipeline 20 through rotary joints 19, heat exchange media such as high-temperature water, steam and oil are introduced into the circulating pipelines 20, and the heat exchange media flow through the rotating shaft 14 and the inside of the blades 14 and heat and dry the sludge through the rotating shaft 13 and the inside of the blades 14, so that moisture and the like in the sludge are evaporated. The paddles 14 on the two rotating shafts 13 are arranged in a staggered manner, wherein the paddles on one rotating shaft are inserted between two adjacent paddles on the rotating shaft adjacent to the rotating shaft, and a small gap is reserved between the paddles and a pair of adjacent paddles, so that when the two rotating shafts 13 rotate in opposite directions, the paddles 14 can scrape attachments on the adjacent paddles, and the self-cleaning effect is achieved.
In order to improve heat exchange efficiency, the shell 1 in the technical scheme adopts a double-layer jacket shell, the two sides of the shell 1 are respectively provided with the water inlet pipe 21 and the water outlet pipe 22, the water inlet pipe 21 and the water outlet pipe 22 extend along the length direction of the shell and are communicated with the inner cavity of the jacket of the shell through a plurality of uniformly distributed branch pipes, the water inlet pipe 21 is connected with a circulating heat exchange medium, such as high-temperature hot water, the hot water enters the shell from one side of the middle upper part of the shell and is discharged from the other side of the middle upper part of the shell, and the sludge is heated and dried from the outer side of the sludge, so that heat exchange efficiency is improved.
One side that is close to the discharge gate at casing 1 top is equipped with air intake 23, and air intake 23 department installs fan 5, installs heat exchanger 24 between air intake 23 and the fan 5, and one side that the casing 1 top is close to feed inlet 7 is equipped with air outlet 25, and fan 5 passes through heat exchanger 24 and lets in hot-blast to casing 1 in, can further heat inside material, and hot-blast in casing 1 heat transfer will be with the inside steam that generates of drying from air outlet 25 discharge, and exhaust steam etc. is retrieved or is handled through recovery unit condensation.
Claims (7)
1. The utility model provides a hollow paddle desiccator, includes the casing, and the support is installed at the both ends of casing bottom, and the one end at the top of casing is equipped with the feed inlet, and the other end at casing top is equipped with the air intake, air intake department installs the fan, and one side that the casing top is close to the feed inlet is equipped with the air outlet, and the one end that the feed inlet was kept away from to the well upper portion of casing side is equipped with the discharge gate, a serial communication port, the casing internal rotation support has two pivots, installs a plurality of paddles respectively in each pivot, and the material that the feed inlet got into contacts with pivot and paddle and is pushed to the discharge gate ejection of compact, the paddle is wedge-shaped paddle, and the thickness of paddle changes gradually from one side to the opposite side, and adjacent paddle phase difference 180 degrees phase place sets up in the same pivot, the epaxial paddle of two is crisscross setting, the pivot is the hollow axle, and the paddle is hollow paddle, the mesoporous portion UNICOM of paddle and the pivot, two pivot's one end by a pair of synchromesh transmission, the synchromesh is connected with rotation input, the both ends of pivot are connected with circulation pipeline by rotary joint respectively, circulation heat transfer medium has been gone into to the circulation pipeline.
2. The hollow blade dryer according to claim 1, wherein the shell is a double-layer jacket shell, the two sides of the shell are respectively provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe extend along the length direction of the shell and are communicated with the inner cavity of the jacket of the shell through a plurality of branch pipes which are uniformly distributed, and the water inlet pipe is connected with a circulating heat exchange medium.
3. The hollow blade dryer according to claim 2, wherein a heat exchanger is installed between the air inlet and the fan, the fan blows hot air into the shell through the heat exchanger, the hot air exchanges heat in the shell and discharges water vapor from the air outlet.
4. The hollow blade dryer according to claim 1, wherein a discharge pipe is installed at the outer side of the discharge port, the discharge pipe is vertically downward, and a hopper is arranged below the discharge pipe.
5. The hollow blade dryer according to claim 1, wherein the feeding device is arranged above the feeding port, the feeding device comprises a shaftless spiral quantitative conveyor and a feeding bin, the feeding bin is arranged right above the shaftless spiral quantitative conveyor, the shaftless spiral quantitative conveyor is arranged right above the shell through a bracket, the output end of the shaftless spiral quantitative conveyor is arranged right above the feeding port, the feeding port is provided with a sealing cover plate, and the sealing cover plate seals the feeding port after feeding is completed.
6. A hollow blade dryer according to claim 1, wherein the cross section of the housing is W-shaped, and the side walls and the lower wall of the housing form a nip between the blade and the side wall.
7. A hollow blade dryer according to claim 6 wherein the blades are densely distributed on the shafts, wherein the blades on one shaft are inserted into the gap between two adjacent blades on the shaft adjacent thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323436375.6U CN221403826U (en) | 2023-12-18 | 2023-12-18 | Hollow blade dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323436375.6U CN221403826U (en) | 2023-12-18 | 2023-12-18 | Hollow blade dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221403826U true CN221403826U (en) | 2024-07-23 |
Family
ID=91943099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323436375.6U Active CN221403826U (en) | 2023-12-18 | 2023-12-18 | Hollow blade dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221403826U (en) |
-
2023
- 2023-12-18 CN CN202323436375.6U patent/CN221403826U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |