CN201697427U - Continuous fluidized bed dryer - Google Patents
Continuous fluidized bed dryer Download PDFInfo
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- CN201697427U CN201697427U CN2010202254527U CN201020225452U CN201697427U CN 201697427 U CN201697427 U CN 201697427U CN 2010202254527 U CN2010202254527 U CN 2010202254527U CN 201020225452 U CN201020225452 U CN 201020225452U CN 201697427 U CN201697427 U CN 201697427U
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- drying machine
- fluidized bed
- continuous fluidized
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- air
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Abstract
The utility model discloses a continuous fluidized bed dryer which comprises a dryer body, at least one group of spiral convey devices and a baseplate; a material inlet, a material outlet, an air inlet and an air outlet are formed on the dryer body; the spiral convey devices are rotationally mounted on the dryer body; the baseplate is fixedly mounted below the spiral convey devices in the dryer body; and an air duct is arranged between the baseplate and the inner wall of the dryer body. The continuous fluidized bed dryer of the utility model with wide application and simple principle can be extensively applied to various powdery and granular materials for continuous drying, and have more obvious application advantage of drying materials with adhesiveness and high density.
Description
Technical field
The utility model relates to a kind of drying machine, particularly a kind of continuous fluidized bed drying machine.
Background technology
In the industrially drying process, often need be with pulpous state, bulk, the granular or dry dry products that obtains of powder material.For such material, the simplest drying mode is to utilize the dry air of heating that material is purged, thereby takes away the moisture in the material.
Initial heated-air drying mode is a belt drying in the prior art, for example disclosed among the Chinese patent CN2125586 " a kind of ceramic body mesh-belt drier ", this drying machine be make material on guipure with guipure motion, utilize hot-air to make water evaporates in the material, realize drying purpose.This method can have in drying machine effectively and the material joint for making hot-air, usually use the guipure that has mesh, this drier is particularly suitable for the not high lump material drying of water content, but for the fine particles material, because the material gap is little, hot-air is difficult to enter, and drying effect is unsatisfactory.
Simultaneously owing to vibration fluidized bedly to the fine particles dry materials time, played crucial effects, thus for example among the Chinese patent CN1303881 disclosed " producing the divided-flow solvent-removing of polyvinyl alcohol pellet and the method for dry products " be the drying of utilizing vibrated fluidized bed that polyvinyl alcohol pellet is carried out.The vibrated fluidized bed action principle is that material can enter in the fluid bed continuously, and the mechanical oscillation by fluid bed promote material and move ahead, and keep fluidized state to carry out efficient drying material under the effect of hot blast simultaneously.The drying mode of this power and hot blast combination can carry out more effective drying to material, hot blast can with material more large tracts of land meet the place, make material can remove water or solvent fast; Operation principle from vibrated fluidized bed, there are some limitation in selection to material, vibrated fluidized bed is not suitable for the drying of viscous material and high density material, vibrated fluidized bed is in carrying out dry run simultaneously, the situation that also can exist material to flow backwards, material is in the vibratory liquefaction process, and reverse movement can take place partial material, causes dry materials inhomogeneous.
For viscous material, because the viscosity of material own is higher, bond easily between the material, rely on the vibration mode of vibrated fluidized bed to be difficult to make material fully to separate, the viscosity pellet agglomerating fluid bed bottom that falls within adhered to one another easily with air quantity, can't realize the fluidisation attitude, be commonly called as dead bed, in this case, vibrated fluidized bed will lose drying capacity, the hot blast utilization rate lowers greatly, even there was a mechanical failure.Simultaneously, in case dead bed takes place vibrated fluidized bed, cleaning gets up also will bother very much, to causing significant wastage on the manpower and materials, and for the high density material, because the material deadweight is than higher, then be difficult to be blown afloat, equally also be difficult to realize the fluidisation attitude, dead easily bed by hot blast.
The utility model content
The purpose of this utility model is to improve the shortcoming of prior art and product and a kind of continuous fluidized bed drying machine that has helix transporting device is provided.The utility model is widely used, principle is simple, can be widely used in various powderies, granular material continuous drying, for having adhesion and highdensity dry materials has more obvious application advantage, simultaneously the helix transporting device in the drying machine can continuous stirring, make machinery and carry and carry out hot-air blowing, realized the fluidisation of material in drying machine, overcome the low shortcoming of hot blast utilization rate of existing drying machine, also avoided the dead bed phenomenon that occurs easily in the vibrated fluidized bed simultaneously.
For achieving the above object, the utility model provides a kind of continuous fluidized bed drying machine, described continuous fluidized bed drying machine comprises drying machine body, at least one group of helix transporting device and base plate, and described drying machine body is provided with material inlet, material outlet, air inlet and air outlet; Described helix transporting device is installed in rotation on the described drying machine body, described base plate is fixedly mounted on the below of described drying machine body inside spin conveying device, be provided with the air channel between this base plate and the described drying machine body inwall, this air channel is lattice-shaped and arranges.
Further, described material inlet is arranged on described drying machine body upper, described material outlet is arranged on described drying machine underpart and is communicated with described base plate, and described air inlet is arranged on described drying machine organism bottom, and described air outlet is arranged on described drying machine body top.
Further, the place, windward road junction in described air channel is provided with the baffle plate that is downward bending towards helix transporting device, when the air of drying after heating, enter in the drying machine body by the air inlet on the drying machine body, and by the air channel with hot blast evenly distribute the back enter between helix transporting device and the base plate by the windward road junction.Because place, windward road junction is provided with the baffle plate that is downward bending towards helix transporting device, this baffle plate changes the flow direction of dry-heat air, to the wind passage mouth area is diminished, produces bigger blast, can make the material between helix transporting device and the base plate present the fluidisation attitude.
Further, described helix transporting device comprises rotating shaft, helical blade and drive motors, and described helical blade is fixed in the rotating shaft, and described drive motors and rotating shaft are fixed together.
Further, described rotating shaft is provided with slurry formula blade.
Further, for the drying effect that makes material better, described base plate is provided with air vent, in order to improve the fluid ability of hot blast at helix transporting device, described helical blade is provided with air vent, described helix transporting device, it can be single spiral, it also can be the combination of different spirals, the for example spiral of different pitch combination, air vent and the spiral combination of not opening air vent are opened in the spiral combination of different flight shapes, and the spiral combination of offering different air vents, and the combination of spiral and the stirring of slurry formula.
Further, the drying regime of observing material for convenience from the drying machine outside, and at drying machine when there was a mechanical failure, the staff can enter dryer inner machine is overhauled, and offers observation panel and door on the described drying machine body.
Further, described drying machine underpart is equipped with gantry base.
Further, described rotating shaft and helical blade are stainless steel, carbon steel, steel alloy, high-strength temperature-resistant plastics, carbon fiber or composite.
The utility model is compared with existing product, has following actively useful effect:
1, because the mode that the utility model adopts helix transporting device to combine with the hot-air drying, make material in by continuous progradation, both can guarantee that material contacted fully with hot-air, and can avoid owing to material density too high or material to cross the sticking dead phenomenon that takes place again.
2, because air inlet is arranged on the drying machine organism bottom, hot blast enters by a plurality of air channels that are provided with between base plate and the drying machine body inwall, be in the wind road junction place is provided with the effect that is the baffle plate of downward bending towards helix transporting device and forms bigger blast down, make material realize the fluidisation attitude on the one hand easily, also can make material realize drying at a lower temperature on the other hand, avoid material disadvantageous variation to take place owing to overheated.
3, when helix transporting device is many groups (especially to the double helix device), being the circular arc taper in the middle of the base plate separates, the air-flow that can guarantee the air-flow both sides is separated by feed bin, thereby enters into the feed bin bottom of filling with material fully from the top of feed bin, cuts off direct air-out along arc; So both guarantee fully contacting of hot blast and material, also can make the not convection current of hot blast of both sides, reduced the loss of wind energy.
4, the mode that adopts helix transporting device to advance can guarantee that material evenly pushed ahead by helical blade, avoids because the uneven drying that the anti-stream of material causes is spared.
5, be widely used, principle is simple, can be applicable to various powderies, granular material continuous drying, for having adhesion and highdensity dry materials has more obvious application advantage, realized the fluidisation of material in drying machine, overcome the low shortcoming of hot blast utilization rate of existing drying machine.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model structure A-A cutaway view.
Fig. 3 is the utility model structure B-B cutaway view.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present utility model.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of continuous fluidized bed drying machine comprises drying machine body 1, two groups of helix transporting devices 2 and base plates 3, and drying machine body 1 is provided with material inlet 4, material outlet 5, air inlet 6 and air outlet 7; Material inlet 4 is arranged on described drying machine body 1 top, material outlet 5 is arranged on drying machine body 1 bottom and is communicated with described base plate 3, air inlet 6 is arranged on described drying machine body 1 bottom, air outlet 7 is arranged on described drying machine body 1 top, offer observation panel 14 and door 15 on the drying machine body 1, the drying machine underpart is equipped with gantry base 16.
Described base plate 3 is fixedly mounted on the below of described drying machine body 1 inside spin conveying device 2, be provided with air channel 8 between this base plate 3 and described drying machine body 1 inwall, this air channel 8 is lattice-shaped and arranges that 9 places, windward road junction in described air channel 8 are provided with the baffle plate 17 that is downward bending towards helix transporting device 2.
During use, put into the material of required drying on the base plate 3 of drying machine from material inlet 4, hot blast enters in the drying machine body 1 from the air inlet 6 of drying machine, and carries out drying by the 8 pairs of materials in air channel that are provided with between base plate 3 and drying machine body 1 inwall and handle; Because 9 places, windward road junction in air channel 8 are provided with the baffle plate 17 that is downward bending towards helix transporting device 2, guiding formation bigger blast and the material towards base plate 3 on of hot blast through air channel 8 that enters in the drying machine body 1 blows, rotating shaft 10 on the helix transporting device 2 simultaneously drives through drive motors 12 and rotates, the helical blade 11 that is fixed with in the rotating shaft 10 stirs material and carries to material outlet 5, and unnecessary dry hot gas is discharged from the air outlet 7 at drying machine top.
Embodiment 2:
The difference of present embodiment and embodiment 1 is that described base plate 3 is provided with air vent.
Embodiment 3:
The difference of present embodiment and embodiment 1 or 2 is not offer air vent 13 on the described helical blade 11.
Embodiment 4:
The difference of present embodiment and embodiment 1,2 or 3 is that described helix transporting device 2 is one group.
Embodiment 5:
The difference of present embodiment and embodiment 1,2,3 or 4 is that described helix transporting device 2 is the combination of helical blade 11 with slurry formula blade.
In sum, embodiment described in the utility model only provides a kind of embodiment of the best, technology contents of the present utility model and technical characterstic disclose as above, yet the personage who is familiar with this technology still may be based on content that the utility model disclosed and done various replacement and the modifications that do not deviate from creation spirit of the present invention; Therefore, protection domain of the present utility model is not limited to the technology contents that embodiment discloses, so all equivalences of doing according to shape of the present utility model, structure and principle change, all is encompassed in the protection domain of the present utility model.
Claims (10)
1. continuous fluidized bed drying machine, it is characterized in that: described continuous fluidized bed drying machine comprises drying machine body, at least one group of helix transporting device and base plate, and described drying machine body is provided with material inlet, material outlet, air inlet and air outlet; Described helix transporting device is installed in rotation on the described drying machine body, and described base plate is fixedly mounted on the below of described drying machine body inside spin conveying device, is provided with the air channel between this base plate and the described drying machine body inwall.
2. a kind of continuous fluidized bed drying machine according to claim 1, it is characterized in that: described helix transporting device comprises rotating shaft, helical blade and drive motors, described helical blade is fixed in the rotating shaft, and described drive motors and rotating shaft are fixed together.
3. a kind of continuous fluidized bed drying machine according to claim 2 is characterized in that: set air channel is the lattice-shaped layout between described base plate and the drying machine body inwall.
4. according to claim 1,2 or 3 described a kind of continuous fluidized bed drying machines, it is characterized in that: the place, windward road junction in described air channel is provided with the baffle plate that is downward bending towards helix transporting device.
5. a kind of continuous fluidized bed drying machine according to claim 4, it is characterized in that: described helical blade is provided with air vent.
6. a kind of continuous fluidized bed drying machine according to claim 4 is characterized in that: described rotating shaft is provided with slurry formula blade.
7. a kind of continuous fluidized bed drying machine according to claim 4, it is characterized in that: described base plate is provided with air vent.
8. according to claim 1,5,6 or 7 described a kind of continuous fluidized bed drying machines, it is characterized in that: described material inlet is arranged on described drying machine body upper, described material outlet is arranged on described drying machine underpart and is communicated with described base plate, described air inlet is arranged on described drying machine organism bottom, and described air outlet is arranged on described drying machine body top.
9. a kind of continuous fluidized bed drying machine according to claim 8 is characterized in that: offer observation panel and door on the described drying machine body.
10. a kind of continuous fluidized bed drying machine according to claim 9 is characterized in that: described rotating shaft and helical blade are stainless steel, carbon steel, steel alloy, high-strength temperature-resistant plastics, carbon fiber or composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202254527U CN201697427U (en) | 2010-06-09 | 2010-06-09 | Continuous fluidized bed dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202254527U CN201697427U (en) | 2010-06-09 | 2010-06-09 | Continuous fluidized bed dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697427U true CN201697427U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202254527U Expired - Fee Related CN201697427U (en) | 2010-06-09 | 2010-06-09 | Continuous fluidized bed dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO339255B1 (en) * | 2013-05-22 | 2016-11-21 | Multivector As | Apparatus for swirling at least one fragmented substance |
| CN109515778A (en) * | 2018-10-16 | 2019-03-26 | 淮安信息职业技术学院 | A kind of device and application method improving powder material accumulation density |
-
2010
- 2010-06-09 CN CN2010202254527U patent/CN201697427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO339255B1 (en) * | 2013-05-22 | 2016-11-21 | Multivector As | Apparatus for swirling at least one fragmented substance |
| CN109515778A (en) * | 2018-10-16 | 2019-03-26 | 淮安信息职业技术学院 | A kind of device and application method improving powder material accumulation density |
| CN109515778B (en) * | 2018-10-16 | 2024-04-26 | 江苏电子信息职业学院 | Device for improving bulk density of powdery material and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU FEYMER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING RESPONSE-CHEM SPECIALTY CHEMICAL TECHNOLOGIES CO., LTD. Effective date: 20111129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100085 HAIDIAN, BEIJING TO: 215613 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111129 Address after: Yang Village in Fenghuang town of Zhangjiagang city in 215613 (Feixiang Chemical Zone) Patentee after: Jiangsu Feymer Technology Co., Ltd. Address before: 100085, Beijing, Haidian District Road, Zhongguancun development building, No. 12, A207 Patentee before: Beijing Response Chemical Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20140609 |