CN210625227U - Biax wedge paddle desicator with high heat transfer efficiency - Google Patents
Biax wedge paddle desicator with high heat transfer efficiency Download PDFInfo
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- CN210625227U CN210625227U CN201921045825.XU CN201921045825U CN210625227U CN 210625227 U CN210625227 U CN 210625227U CN 201921045825 U CN201921045825 U CN 201921045825U CN 210625227 U CN210625227 U CN 210625227U
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- blade
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- paddle
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Abstract
The utility model discloses a biax wedge paddle desicator with high heat transfer efficiency for solve the lower technical problem of biax wedge paddle desicator heat transfer efficiency among the prior art. The method comprises the following steps: the device comprises a shell, a power transmission device, a heat supply device and a heat transfer device; the heat transfer device is respectively connected with the power transmission device and the heat supply device; wherein, heat transfer device includes: the two paddle shafts are arranged in the shell in parallel and run reversely; the hollow blade is fixedly arranged on the blade shaft; the auxiliary scraper is arranged at the tail part of the hollow blade; two hollow blades are symmetrically arranged at the same longitudinal section of each blade shaft, and the hollow blades on the two blade shafts are uniformly staggered; the distance between the shaft diameters of the two blade shafts is smaller than the outer diameter of the hollow blade; and the joint of each hollow blade and the blade shaft is provided with a pair of steam guide pipes and a pair of condensate guide pipes, and the length of each steam guide pipe is greater than that of each condensate guide pipe. Compared with the prior art, the utility model provides high heat transfer efficiency.
Description
Technical Field
The utility model belongs to the technical field of wet material drying process equipment, especially, relate to a biax wedge paddle desicator with high heat transfer efficiency.
Background
The double-shaft wedge-shaped blade dryer is widely applied to a plurality of drying devices, heat carriers are input into the hollow blades, heat is provided for dried materials through the blade walls, the double-shaft wedge-shaped blade dryer has high heat utilization rate, and the double-shaft wedge-shaped blade dryer belongs to energy-saving drying devices. Because the double-shaft wedge-shaped paddle dryer is mainly used for drying wet materials, such as kitchen garbage, grains and the like, and because the humidity of the materials is higher, particularly at the front end of the drying, on one hand, the existing double-shaft wedge-shaped paddle dryer only arranges one hollow paddle at the same section of each paddle shaft, so that the space is not fully utilized, and because auxiliary blades are lacked, dead angles on the shafts cannot be timely removed, so that the blades and the hollow shaft are easy to scale, and the heat transfer efficiency is lower; on the other hand, the steam and the condensate between the hollow blade and the blade shaft are in the same pipeline, so that the utilization efficiency of the steam is reduced, and the heat transfer efficiency is lower.
Disclosure of Invention
For solving the lower technical problem of biax wedge paddle desicator heat transfer efficiency among the prior art, the utility model provides a biax wedge paddle desicator with high heat transfer efficiency.
In order to solve the technical problem, the utility model provides a biax wedge paddle desicator with high heat transfer efficiency, include: the device comprises a shell, a power transmission device, a heat supply device and a heat transfer device; the heat transfer device is arranged in the shell and is respectively connected with the power transmission device and the heat supply device;
wherein, heat transfer device includes: the two paddle shafts are arranged in the shell in parallel and are hollow, one ends of the two paddle shafts are respectively connected with the heat supply device and the power transmission device, and the two paddle shafts run in the opposite directions; the hollow blade is fixedly arranged on the blade shaft and is formed by enclosing a triangular arc cover plate, two fan-shaped side plates and a rectangular rear cover plate; the auxiliary scraping plate is rectangular, is arranged at the tail part of the rectangular rear cover plate and extends out of the rectangular rear cover plate; two hollow blades are symmetrically arranged at the same longitudinal section of each blade shaft, and the hollow blades on the two blade shafts are uniformly staggered; the distance between the shaft diameters of the two blade shafts is smaller than the outer diameter of the hollow blade;
on one hand, because two paddle shafts run in reverse directions, when the fan-shaped side plates on the two paddle shafts are nearest, the materials are extruded and gather at the farthest, the materials expand, and the process causes the materials to be stirred, so compared with the prior art in which only one hollow paddle blade is arranged at the same longitudinal section of each paddle shaft, the utility model discloses set up two hollow paddles symmetrically at the same longitudinal section of each paddle shaft, in the course of the operation of the paddle shafts, the probability that the materials are stirred is improved, and further the heat transfer efficiency is improved;
on the other hand, through setting up supplementary scraper blade, the cooperation sets up the distance between two oar blade shaft footpaths and is less than the external diameter of hollow blade, and supplementary scraper blade can be got off with the material scraping that is detained on another oar blade shaft surface and the hollow blade fan-shaped side on another oar blade shaft, prevents that the material from forming the scale deposit, and then has improved heat transfer efficiency.
A pair of steam guide pipes and condensate guide pipes are arranged at the joint of each hollow blade and the blade shaft, and the length of each steam guide pipe is greater than that of each condensate guide pipe; the steam guide pipe is vertically and fixedly connected with the shaft wall of the blade shaft, one end of the steam guide pipe extends into the cavity of the blade shaft, the other end of the steam guide pipe extends out of the outer surface of the blade shaft and extends into the cavity of the hollow blade, and the length of one end extending into the cavity of the hollow blade is larger than that of one end extending into the cavity of the blade shaft; and the condensate conduit is vertically and fixedly connected with the shaft wall of the blade shaft, one end of the condensate conduit extends into the inner cavity of the hollow blade and is flush with the outer surface of the blade shaft, and the other end of the condensate conduit extends into the shaft cavity of the blade shaft.
Through arranging the steam guide pipe and the condensate guide pipe, compared with the technology that steam and condensate in the prior art are in the same pipeline, the steam and the condensate are respectively led to the pipeline, so that the flow of the steam to the inner cavity of the hollow blade is increased, and the condensate generated in the inner cavity of the hollow blade can be discharged in time; one end of the steam guide pipe is arranged to extend into the inner cavity of the hollow blade, and one end of the condensate guide pipe is flush with the outer surface of the blade shaft, so that condensate is prevented from entering the shaft cavity from the steam guide pipe; the length of one end of the steam guide pipe extending into the inner cavity of the hollow blade is set to be larger than that of one end of the steam guide pipe extending into the shaft cavity of the blade shaft, so that condensate in the shaft cavity of the blade shaft is prevented from flowing backwards into the hollow blade; through above-mentioned setting, heat transfer efficiency has been improved.
Preferably, the casing is W-shaped in cross section.
Preferably, the power transmission device, disposed outside the housing, includes: a driving motor and a speed change gear set; the heat supply device is an air heater.
The utility model discloses beneficial effect includes:
compared with the prior art, the utility model symmetrically arranges two hollow blades at the same longitudinal section of each blade shaft, thereby improving the probability of stirring the materials and further improving the heat transfer efficiency in the operation process of the blade shafts; by arranging the auxiliary scraper, the materials are prevented from scaling, and the heat transfer efficiency is improved; through setting up steam conduit and condensate conduit, make steam and condensate respectively walk its way, increased the flow of steam to hollow blade inner chamber on the one hand, on the other hand the condensate that produces in the hollow blade inner chamber can in time be discharged, has improved heat transfer efficiency.
Drawings
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an overall sectional view of the present invention;
FIG. 3 is a side view of the hollow blade of the present invention;
FIG. 4 is a front view of a hollow blade of the present invention;
FIG. 5 is a perspective view of the hollow blade of the present invention;
fig. 6 is a schematic view of the combination of the middle blade shaft and the hollow blade according to the present invention;
fig. 7 is a schematic view of the arrangement of the hollow blades on the two blade shafts in the present invention.
Description of reference numerals: 1, a shell; 20 driving a motor; 21 a speed change gear set; 30 blade shafts; 31 a hollow blade; 310 triangular arc cover plates; 311 sector-shaped side plates; 312 rectangular back cover plate; 313 an auxiliary screed; 32 a steam conduit; 33 condensate conduit.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings by way of specific embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention provides a dual-shaft wedge-shaped paddle dryer with high heat transfer efficiency, including: the device comprises a shell 1, a power transmission device, a heat supply device and a heat transfer device; the heat transfer device is arranged in the shell 1 and is respectively connected with the power transmission device and the heat supply device;
wherein, heat transfer device includes: the two paddle shafts 30 are arranged in the shell 1 in parallel and are hollow, one ends of the two paddle shafts are respectively connected with the heat supply device and the power transmission device, and the two paddle shafts 30 run reversely; the hollow blade 31 is fixedly arranged on the blade shaft 30 and is formed by enclosing a triangular arc cover plate 310, two fan-shaped side plates 311 and a rectangular rear cover plate 312; the auxiliary scraping plate 313 is rectangular, is arranged at the tail part of the rectangular rear cover plate 312, and extends out of the rectangular rear cover plate 312; two hollow blades 31 are symmetrically arranged at the same longitudinal section of each blade shaft 30, and the hollow blades 31 on the two blade shafts 30 are uniformly staggered; the distance between the shaft diameters of the two blade shafts 30 is smaller than the outer diameter of the hollow blade 31;
a pair of steam guide pipes 32 and condensate guide pipes 33 are arranged at the connection part of each hollow blade 31 and the blade shaft 30, and the length of each steam guide pipe 32 is greater than that of each condensate guide pipe 33; the steam conduit 32 is vertically and fixedly connected with the shaft wall of the blade shaft 30, one end of the steam conduit extends into the shaft cavity of the blade shaft 30, the other end of the steam conduit extends out of the outer surface of the blade shaft 30 and extends into the inner cavity of the hollow blade 31, and the length of the end extending into the inner cavity of the hollow blade 31 is greater than that of the end extending into the shaft cavity of the blade shaft 30; and the condensate conduit 33 is vertically and fixedly connected with the shaft wall of the blade shaft 30, one end of the condensate conduit extends into the inner cavity of the hollow blade 31 and is flush with the outer surface of the blade shaft 30, and the other end of the condensate conduit extends into the shaft cavity of the blade shaft 30.
Referring to fig. 2, the housing 1 preferably has a W-shaped cross section.
Referring to fig. 1, preferably, the power transmission device, disposed outside the housing 1, includes: a drive motor 20, a change gear group 21; the heat supply device is an air heater.
In summary, compared with the prior art, according to the embodiment of the present invention, two hollow blades are symmetrically disposed at the same longitudinal section of each blade shaft, so that the probability of material stirring is improved during the operation of the blade shafts, and the heat transfer efficiency is further improved; by arranging the auxiliary scraper, the materials are prevented from scaling, and the heat transfer efficiency is improved; through setting up steam conduit and condensate conduit, make steam and condensate respectively walk its way, increased the flow of steam to hollow blade inner chamber on the one hand, on the other hand the condensate that produces in the hollow blade inner chamber can in time be discharged, has improved heat transfer efficiency.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. A dual-axis wedge paddle dryer having high heat transfer efficiency, comprising: the device comprises a shell, a power transmission device, a heat supply device and a heat transfer device; the heat transfer device is arranged in the shell and is respectively connected with the power transmission device and the heat supply device;
wherein, heat transfer device includes: the two paddle shafts are arranged in the shell in parallel and are hollow, one ends of the two paddle shafts are respectively connected with the heat supply device and the power transmission device, and the two paddle shafts run in the opposite directions; the hollow blade is fixedly arranged on the blade shaft and is formed by enclosing a triangular arc cover plate, two fan-shaped side plates and a rectangular rear cover plate; the auxiliary scraping plate is rectangular, is arranged at the tail part of the rectangular rear cover plate and extends out of the rectangular rear cover plate; two hollow blades are symmetrically arranged at the same longitudinal section of each blade shaft, and the hollow blades on the two blade shafts are uniformly staggered; the distance between the shaft diameters of the two blade shafts is smaller than the outer diameter of the hollow blade;
a pair of steam guide pipes and condensate guide pipes are arranged at the joint of each hollow blade and the blade shaft, and the length of each steam guide pipe is greater than that of each condensate guide pipe; the steam guide pipe is vertically and fixedly connected with the shaft wall of the blade shaft, one end of the steam guide pipe extends into the cavity of the blade shaft, the other end of the steam guide pipe extends out of the outer surface of the blade shaft and extends into the cavity of the hollow blade, and the length of one end extending into the cavity of the hollow blade is larger than that of one end extending into the cavity of the blade shaft; and the condensate conduit is vertically and fixedly connected with the shaft wall of the blade shaft, one end of the condensate conduit extends into the inner cavity of the hollow blade and is flush with the outer surface of the blade shaft, and the other end of the condensate conduit extends into the shaft cavity of the blade shaft.
2. The dual-shaft wedge paddle dryer with high heat transfer efficiency of claim 1 wherein the shell cross-section is W-shaped.
3. The dual-shaft wedge paddle dryer with high heat transfer efficiency of claim 1 wherein the power transmission, disposed outside the housing, comprises: a driving motor and a speed change gear set; the heat supply device is an air heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921045825.XU CN210625227U (en) | 2019-07-05 | 2019-07-05 | Biax wedge paddle desicator with high heat transfer efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921045825.XU CN210625227U (en) | 2019-07-05 | 2019-07-05 | Biax wedge paddle desicator with high heat transfer efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625227U true CN210625227U (en) | 2020-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921045825.XU Expired - Fee Related CN210625227U (en) | 2019-07-05 | 2019-07-05 | Biax wedge paddle desicator with high heat transfer efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902647A (en) * | 2021-03-25 | 2021-06-04 | 河南鼎隆新材料科技有限公司 | Three-shaft efficient pre-drying device for treating industrial byproduct gypsum |
| CN115183534A (en) * | 2022-06-23 | 2022-10-14 | 华能国际电力股份有限公司大连电厂 | Hollow blade type drying machine |
-
2019
- 2019-07-05 CN CN201921045825.XU patent/CN210625227U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902647A (en) * | 2021-03-25 | 2021-06-04 | 河南鼎隆新材料科技有限公司 | Three-shaft efficient pre-drying device for treating industrial byproduct gypsum |
| CN115183534A (en) * | 2022-06-23 | 2022-10-14 | 华能国际电力股份有限公司大连电厂 | Hollow blade type drying machine |
| CN115183534B (en) * | 2022-06-23 | 2024-04-19 | 华能国际电力股份有限公司大连电厂 | Hollow blade type desiccator |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |