CN209893814U - High-efficient vibrated fluidized bed - Google Patents
High-efficient vibrated fluidized bed Download PDFInfo
- Publication number
- CN209893814U CN209893814U CN201920231167.7U CN201920231167U CN209893814U CN 209893814 U CN209893814 U CN 209893814U CN 201920231167 U CN201920231167 U CN 201920231167U CN 209893814 U CN209893814 U CN 209893814U
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- fluidized bed
- bed body
- vibrating
- vibrated
- vibrated fluidized
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- 239000000463 material Substances 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a high-efficiency vibrated fluidized bed, which comprises a vibrated fluidized bed body; the vibrating fluidized bed upper cover is fixedly arranged on the vibrating fluidized bed body and is positioned above the vibrating fluidized bed body; the material collecting box is positioned below the vibrated fluidized bed body and fixedly connected with the vibrated fluidized bed body, a partition plate is arranged between the material collecting box and the vibrated fluidized bed body, and the material collecting box is connected with a discharge port; the built-in heat exchange mechanism is arranged inside the vibrated fluidized bed body; the utility model discloses a set up rotating assembly on built-in heat transfer mechanism, it is rotatory to drive the drive plate when hot-blast through the pipeline, and it is rotatory to drive the impeller simultaneously, and the whereabouts of bold material is broken up by the impeller when the impeller, and simultaneously, a plurality of impeller syntropy rotations produce the air current, play the guide effect for the material dwell time is longer in the space of vibrated fluidized bed body, and is dry more abundant.
Description
Technical Field
The utility model relates to a drying machine field specifically is a high-efficient vibrated fluidized bed.
Background
The drying of solid powdery materials is a main link in the production process of enterprises such as mines, metallurgy, chemical industry, fertilizers, pharmacy, food and the like, and various drying technologies and equipment can be selected at present. Among them, various fluidized bed dryers developed based on fluidization technology are commonly used, such as vibrating fluidized bed dryers, boiling bed dryers. Various current fluidized bed dryers exhibit many characteristics when drying powdery materials, including simple construction, good heat transfer efficiency, large drying capacity, stable moisture content of products, and the like. But at the same time also has disadvantages: for difficult-to-fluidize materials which are small in particle size, wide in distribution range and easy to agglomerate, a fluidized bed layer is not easy to form, higher air flow speed and air volume are needed, heat loss brought away by dried air is large, heat utilization rate is low, the air carries more materials, complex environment-friendly equipment such as a gas-solid separation device is needed, the air can be discharged after the carried materials are treated, and the environment pollution is avoided. This causes problems of high running cost, uneven drying of the material, large fluctuation of water content of the product, low yield and the like.
The invention discloses a drying device and a drying method of a vibrating fluidized bed in China with the application number of CN201810830280.7, the device comprises a particle settling chamber, a vibrating fluidized bed body and a material collecting box, the particle settling chamber is provided with a material inlet and a gas outlet, the material collecting box is provided with a material outlet and a gas supply opening, the upper part of the vibrating fluidized bed body is a settling zone and is provided with a predrying vibrating distributing plate, the lower part of the vibrating fluidized bed body is a fluidized bed layer, an air distributing plate is arranged between the vibrating fluidized bed body and the material collecting box, the predrying vibrating distributing plate and the air distributing plate are both provided with material holes and air holes, the fluidized bed layer is a dense-phase fluidized bed layer formed by inert particles in the fluidized bed layer and powder to be dried entering from the material inlet, a heat exchanger is arranged in the fluidized bed layer, and the material collecting box, the. The device and the method realize good fluidization and quick drying of the difficult-to-fluidize materials, and have the advantages of high heat utilization rate, small equipment volume and low cost.
However, in the above invention, the size of the through hole of the pre-drying distributing plate is 1.5-2.0 times of the size of the particle size of the material to be dried, and in the actual drying process, the particle size of the material with viscosity is not easy to control, and there may be a situation of material accumulation on the pre-drying distributing plate in the drying process, for example, if the pre-drying distributing plate with larger size of the through hole is replaced, the material may directly fall, and the drying is incomplete.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a high-efficient vibrated fluidized bed, it is through setting up the rotating assembly on built-in heat transfer mechanism, it is rotatory to drive the drive plate when hot-blast through the pipeline, it is rotatory to drive the impeller simultaneously, the bold material whereabouts is when the impeller, break up by the impeller, increase area of contact, and simultaneously, a plurality of impellers syntropy are rotatory to produce the air current, play the guide effect, make the material dwell time longer in the space of vibrated fluidized bed body, it is dry more abundant, traditional vibrated fluidized bed has been solved to the dry incomplete technical problem of bold material.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-efficiency vibration fluidized bed comprises a vibration fluidized bed body; the vibrating fluidized bed upper cover is fixedly arranged on the vibrating fluidized bed body and is positioned above the vibrating fluidized bed body; the material collecting box is positioned below the vibrated fluidized bed body and is fixedly connected with the vibrated fluidized bed body, a partition plate is arranged between the material collecting box and the vibrated fluidized bed body, and the material collecting box is connected with a discharge port; built-in heat transfer mechanism, built-in heat transfer mechanism set up in inside the vibrated fluidized bed body, it is used for providing the heat, built-in heat transfer mechanism includes:
the built-in heat exchangers are arranged inside the vibrated fluidized bed body in an array mode along the length direction of the vibrated fluidized bed body and comprise pipelines, a plurality of through holes are uniformly distributed along the direction of the pipelines, and the through holes penetrate through the pipelines along the array direction of the built-in heat exchangers; and
and the rotating assembly is rotatably arranged in the through holes and is in one-to-one correspondence with the through holes.
As an improvement, a manhole and a vibration motor are arranged on one side wall of the vibration fluidized bed body, and the vibration motor drives the vibration fluidized bed body and the vibration fluidized bed upper cover to vibrate.
As a modification, a gas inlet is arranged on one side of the vibrated fluidized bed body.
As an improvement, the vibrating fluidized bed cover comprises:
the particle settling chamber is provided with an air distribution plate above, the air distribution plate is fixedly arranged on an upper cover of the vibrating fluidized bed and used for solid-gas separation, and a pre-drying vibrating plate is arranged between the particle settling chamber and the vibrating fluidized bed body and fixedly arranged on the vibrating fluidized bed body;
the material inlets are arranged on the vibrating fluidized bed upper cover in an array manner along the length direction of the vibrating fluidized bed upper cover and vertically penetrate through the air distribution plate to enter the particle settling chamber;
the gas outlet is arranged at one end of the upper cover of the vibrating fluidized bed and is positioned above the air distribution plate; and
and the observation hole array is arranged on one side of the upper cover of the vibrating fluidized bed and is used for observing the internal condition.
As an improvement, the air distribution plate and the pre-drying vibration plate are both provided with cloth and a plurality of air holes which are uniformly distributed.
As an improvement, the built-in heat exchanger further comprises a gas supply inlet and a gas supply outlet, and the gas supply inlet and the gas supply outlet penetrate through the other side wall of the vibrated fluidized bed body.
As an improvement, the rotating assembly comprises:
the driving shaft penetrates through the through hole and is rotatably arranged in the through hole, and driving plates are arranged along the circumferential array of the driving shaft and are positioned in the center of the pipeline; and
the impellers are symmetrically arranged at two ends of the driving shaft and rotate synchronously along with the driving shaft.
The utility model discloses propeller's beneficial effect lies in:
(1) the utility model discloses a set up rotating assembly on built-in heat transfer mechanism, drive the drive plate when hot-blast through the pipeline and rotate, drive the impeller rotation simultaneously, when the big material falls through the impeller, break up by the impeller, increase area of contact, simultaneously, a plurality of impellers co-rotating produces the air current, plays the guide effect, makes the material dwell time longer in the space of vibrated fluidized bed body, and is dry more fully;
(2) in the utility model, the drying speed of the material is accelerated due to the scattering and guiding functions of the rotating component, so that only low fluidizing gas flow is needed to enter from the gas inlet, the heat taken away by the dried gas is small, the heat utilization rate is high, meanwhile, the gas carries few materials, a complex gas-solid separation device is not needed, and the operation cost is low;
(3) the utility model discloses in be provided with observation hole and manhole, the staff can observe the vibrated fluidized bed inside condition under the running state through observing the hole, and the manhole can let the staff pass through, makes things convenient for the staff to maintain and cleaning device.
To sum up, the utility model has the advantages of simple structure, high heat utilization rate, low running cost, sufficient drying and the like.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a left side sectional view of the present invention;
FIG. 4 is a cross-sectional view of an internal heat exchange mechanism;
FIG. 5 is a schematic structural view of the rotating assembly of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b):
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a high-efficiency vibrated fluidized bed comprises a vibrated fluidized bed body 1; the vibrating fluidized bed upper cover 2 is fixedly arranged on the vibrating fluidized bed body 1, and is positioned above the vibrating fluidized bed body 1; the material collecting box 3 is positioned below the vibrated fluidized bed body 1 and is fixedly connected with the vibrated fluidized bed body 1, a partition plate 4 is arranged between the material collecting box 3 and the vibrated fluidized bed body 1, and the material collecting box 3 is connected with a discharge port 31; built-in heat transfer mechanism 5, built-in heat transfer mechanism 5 set up in inside the vibrated fluidized bed body 1, it is used for providing the heat, built-in heat transfer mechanism 5 includes:
the built-in heat exchanger 51 is arranged inside the vibrated fluidized bed body 1 in an array manner along the length direction of the vibrated fluidized bed body 1, and comprises a pipeline 511, wherein a plurality of through holes 512 are uniformly distributed along the direction of the pipeline 511, and the through holes 512 penetrate through the pipeline 511 along the array direction of the built-in heat exchanger 51; and
the rotating assembly 52 is rotatably disposed in the through hole 512, and the rotating assembly 52 is disposed in one-to-one correspondence with the through hole 512.
It should be noted that the partition 4 is distributed with small ventilation holes.
Wherein, a manhole 8 and a vibrating motor 9 are arranged on one side wall of the vibrated fluidized bed body 1, and the vibrating motor 9 drives the vibrated fluidized bed body 1 and the vibrated fluidized bed upper cover 2 to vibrate.
And, one side of the vibrated fluidized bed body 1 is provided with a gas inlet 11.
Further, the vibrating fluidized bed upper cover 2 includes:
a particle settling chamber 21, wherein an air distribution plate 6 is arranged above the particle settling chamber 21, the air distribution plate 6 is fixedly arranged on the upper cover 2 of the vibrating fluidized bed and used for solid-gas separation, a pre-drying vibration plate 7 is arranged between the particle settling chamber 21 and the vibrating fluidized bed body 1, and the pre-drying vibration plate 7 is fixedly arranged on the vibrating fluidized bed body 1;
the material inlets 22 are arranged on the vibrating fluidized bed upper cover 2 in an array along the length direction of the vibrating fluidized bed upper cover 2, and vertically penetrate through the air distribution plate 6 to enter the particle settling chamber 21;
a gas outlet 23, wherein the gas outlet 23 is arranged at one end of the vibrating fluidized bed upper cover 2 and is positioned above the air distribution plate 6; and
and the observation holes 24 are arranged on one side of the vibrating fluidized bed upper cover 2 in an array mode, and are used for observing the internal condition.
It should be noted that the air distribution plate 6 and the pre-drying vibration plate 7 are both provided with cloth and a plurality of air holes uniformly distributed.
Further, the built-in heat exchanger 51 further comprises a gas supply inlet 513 and a gas supply outlet 514, and the gas supply inlet 513 and the gas supply outlet 514 penetrate through the other side wall of the vibrated fluidized bed body 1.
Further, as shown in fig. 5, the rotating assembly 52 includes:
a driving shaft 521, wherein the driving shaft 521 is rotatably arranged in the through hole 512 through the through hole 512, and driving plates 522 are arranged along the circumferential array of the driving shaft 521, and the driving plates 522 are positioned at the center of the pipeline 511; and
and the impellers 523 are symmetrically arranged at two ends of the driving shaft 521, and rotate synchronously along with the driving shaft 521.
It should be noted that, in this embodiment, the material inlet array sets up, and the material that interior material entrance added is even, and the vibration of predrying vibration board makes the material on the drying plate can be even by the bleeder vent whereabouts. Simultaneously, used dry gas is dehumidification back cold air, gets into the material collecting box by gas inlet, and it is internal that the ventilative aperture on the baffle gets into the vibrated fluidized bed again. When cold air flows through the material collecting box, the temperature of the dried material is reduced, and the possibility of material agglomeration is reduced.
Working process
Treat that dry material gets into in the granule settling chamber 21 from material entry 22, evenly distributed on vibrating predry vibration board 7, evenly fall to vibrated fluidized bed body 1 in by the bleeder vent on predry vibration board 7, the whereabouts is dry with the hot-air heat transfer that rises simultaneously, impeller 523 is rotatory, play the effect of direction material when breaking up the bold material, make the material prolong at vibrated fluidized bed body 1's space dwell time, improve drying rate and accelerate, the material falls to on baffle 4, be cooled down by cold air when following baffle 4 vibration on one side, fall to in the material collecting box 3 on one side, discharge by bin outlet 31 at last.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A high-efficiency vibrating fluidized bed, which comprises a vibrating fluidized bed body (1); the vibrating fluidized bed upper cover (2) is fixedly arranged on the vibrating fluidized bed body (1) and is positioned above the vibrating fluidized bed body (1); the material collecting box (3) is positioned below the vibrated fluidized bed body (1) and is fixedly connected with the vibrated fluidized bed body (1), a partition plate (4) is arranged between the material collecting box (3) and the vibrated fluidized bed body (1), and the material collecting box (3) is connected with a discharge port (31); built-in heat exchange mechanism (5), built-in heat exchange mechanism (5) set up in inside vibrated fluidized bed body (1), it is used for providing the heat, its characterized in that, built-in heat exchange mechanism (5) include:
the built-in heat exchanger (51) is arranged inside the vibrated fluidized bed body (1) in an array mode along the length direction of the vibrated fluidized bed body (1), and comprises a pipeline (511), a plurality of through holes (512) are uniformly distributed along the direction of the pipeline (511), and the through holes (512) penetrate through the pipeline (511) along the array direction of the built-in heat exchanger (51); and
the rotating assembly (52) is rotatably arranged in the through hole (512), and the rotating assembly (52) and the through hole (512) are arranged in a one-to-one correspondence mode.
2. A high efficiency vibrated fluidized bed as claimed in claim 1 wherein one side wall of the vibrated fluidized bed body (1) is provided with a manhole (8) and a vibration motor (9), the vibration motor (9) drives the vibrated fluidized bed body (1) and the vibrated fluidized bed cover (2) to vibrate.
3. A high efficiency vibrating fluidized bed according to claim 1, characterized in that one side of the vibrating fluidized bed body (1) is provided with a gas inlet (11).
4. A high efficiency vibrating fluidized bed according to claim 1, wherein the vibrating fluidized bed cover (2) comprises:
the particle settling chamber (21), an air distribution plate (6) is arranged above the particle settling chamber (21), the air distribution plate (6) is fixedly arranged on the upper cover (2) of the vibrating fluidized bed and used for solid-gas separation, a pre-drying vibration plate (7) is arranged between the particle settling chamber (21) and the vibrating fluidized bed body (1), and the pre-drying vibration plate (7) is fixedly arranged on the vibrating fluidized bed body (1);
the material inlets (22) are arranged on the vibrating fluidized bed upper cover (2) in an array along the length direction of the vibrating fluidized bed upper cover (2), and vertically penetrate through the air distribution plate (6) to enter the particle settling chamber (21);
a gas outlet (23), wherein the gas outlet (23) is arranged at one end of the vibrating fluidized bed upper cover (2) and is positioned above the air distribution plate (6); and
an array of viewing apertures (24) is provided on one side of the vibrating fluidized bed cover (2) for viewing the interior.
5. A high efficiency vibrated fluidized bed as set forth in claim 4 wherein said air distribution plate (6) and said pre-drying vibration plate (7) are provided with cloth and a plurality of uniformly distributed air holes.
6. A high efficiency vibrated fluidized bed as set forth in claim 1 wherein said internal heat exchanger (51) further comprises a gas supply inlet (513) and a gas supply outlet (514), said gas supply inlet (513) and gas supply outlet (514) extending through the other side wall of the vibrated fluidized bed body (1).
7. A high efficiency vibrating fluidized bed as set forth in claim 1, wherein said rotating assembly (52) comprises:
the driving shaft (521) penetrates through the through hole (512) and is rotatably arranged in the through hole (512), and driving plates (522) are arranged along the circumferential array of the driving shaft (521), and the driving plates (522) are positioned at the center of the pipeline (511); and
the impellers (523) are symmetrically arranged at two ends of the driving shaft (521), and rotate synchronously along with the driving shaft (521).
Priority Applications (1)
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CN201920231167.7U CN209893814U (en) | 2019-02-25 | 2019-02-25 | High-efficient vibrated fluidized bed |
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CN201920231167.7U CN209893814U (en) | 2019-02-25 | 2019-02-25 | High-efficient vibrated fluidized bed |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112284041A (en) * | 2020-11-06 | 2021-01-29 | 福州大学 | Widened type vibration fluidized bed structure |
CN113977804A (en) * | 2021-10-23 | 2022-01-28 | 安徽省华鑫铅业集团有限公司 | High-efficient recycling apparatus of plastics based on lead holds in old and useless storage battery |
CN117168091A (en) * | 2023-11-03 | 2023-12-05 | 江苏大江干燥设备有限公司 | Fluidized bed dryer with built-in heat exchanger |
-
2019
- 2019-02-25 CN CN201920231167.7U patent/CN209893814U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112284041A (en) * | 2020-11-06 | 2021-01-29 | 福州大学 | Widened type vibration fluidized bed structure |
CN113977804A (en) * | 2021-10-23 | 2022-01-28 | 安徽省华鑫铅业集团有限公司 | High-efficient recycling apparatus of plastics based on lead holds in old and useless storage battery |
CN117168091A (en) * | 2023-11-03 | 2023-12-05 | 江苏大江干燥设备有限公司 | Fluidized bed dryer with built-in heat exchanger |
CN117168091B (en) * | 2023-11-03 | 2024-02-06 | 江苏大江干燥设备有限公司 | Fluidized bed dryer with built-in heat exchanger |
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