CN109855416B - Vertical dryer - Google Patents
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- CN109855416B CN109855416B CN201910257252.5A CN201910257252A CN109855416B CN 109855416 B CN109855416 B CN 109855416B CN 201910257252 A CN201910257252 A CN 201910257252A CN 109855416 B CN109855416 B CN 109855416B
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- 238000001035 drying Methods 0.000 claims abstract description 132
- 239000000463 material Substances 0.000 claims abstract description 102
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010981 drying operation Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 206010010904 Convulsion Diseases 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a vertical drier, includes loading attachment (7), a plurality of stoving unit and drier conveyor (18), cooperation drive arrangement (8) behind loading attachment (7) are with the material transportation to stoving unit top, and every stoving unit includes multilayer stoving module, multilayer stoving module level stacks up and sets up, the inside a plurality of tube subassembly structures that are equipped with of stoving module, be equipped with multichannel pipeline of staggered arrangement in every tube subassembly structure, keep tube spacing (5) of certain numerical value between the adjacent pipeline, the pipeline is inside to be led to have the heat supply medium, can direct or indirect and material contact heat transfer, and the material is after the stoving of multilayer stoving module step by step from top to bottom, is carried away from drier conveyor (18); the vertical dryer is of a modularized spliced structure, is flexible to combine, adopts automation in feeding and discharging, greatly reduces labor force, improves production efficiency, and is high in drying efficiency and quality and convenient to maintain.
Description
Technical Field
The invention relates to the field of drying equipment, in particular to a vertical dryer.
Background
A dryer is a device for performing a drying operation, by which moisture (typically moisture or other volatile liquid components) in a material is vaporized and evolved by heating to obtain a solid material of a prescribed moisture content. The purpose of drying is for the material to be used or for further processing. Since natural drying is far from meeting the demands of production development, various mechanized dryers are increasingly being used.
The application of the dryer in petrochemical enterprises is very common, taking silica gel drying as an example, the existing commonly used silica gel drying device is provided with a mesh belt type drying device, a disc dry type drying device and the like, but the conventional drying device can meet the functional requirement of silica gel drying, but the technology is relatively backward, and the defects are obvious, such as: the manual operation is mostly adopted, the labor intensity is high, the production cost is high, and the breakage rate of the silica gel is high when the silica gel is manually assembled and disassembled; the existing equipment has low automation degree, low productivity and high daily maintenance cost; because of the specificity of chemical production, manual operation also easily causes some unpredictable risk factors during the production process. Thus, such devices are detrimental to the long-term evolution of the enterprise.
Disclosure of Invention
In order to solve the problems, the invention provides the vertical dryer which has a modularized spliced structure, is flexible to combine, is suitable for drying different materials to be dried, adopts automation in feeding and discharging, greatly reduces labor force, improves production efficiency, has high drying efficiency and quality, and is convenient to maintain.
The aim of the invention is achieved by the following technical scheme.
The vertical dryer comprises a feeding device, a plurality of drying units and a dry material conveying device, wherein the rear of the feeding device is matched with a driving device to convey materials to the top of the drying units, each drying unit comprises a plurality of layers of drying modules, the plurality of layers of drying modules are horizontally stacked, and the materials are conveyed away from the dry material conveying device after being dried by the plurality of layers of drying modules step by step from top to bottom;
the inside a plurality of tube assembly structures that are equipped with of stoving module is equipped with the pipeline of multichannel staggered arrangement in every tube assembly structure, keeps the pipe interval of certain numerical value between the adjacent pipeline, and the pipeline is inside to be led to have the heating medium, can directly or indirectly with the contact heat transfer of material, reaches the purpose of stoving material.
According to the vertical dryer, the conical material guiding devices are arranged above all the pipe assemblies which are touched when materials enter the drying module from top to bottom, so that the materials can fall down conveniently, and the storage is prevented.
The vertical dryer is characterized in that the pipe assembly structure in the drying module is transversely arranged and comprises a steam connecting pipe, and the front end and the rear end of the steam connecting pipe are connected with a steam chamber or a steam channel.
The vertical dryer is characterized in that the pipe assembly structure in the drying module is longitudinally arranged and comprises vertical branch pipes, a single-row collecting pipe and a main pipe, a plurality of vertical branch pipes are arranged in a row and connected to the single-row collecting pipes at the upper end and the lower end, and the connected single-row collecting pipes are connected with the main pipes at the two ends to form a cube pipe assembly structure.
According to the vertical dryer, the moisture channels are arranged between the adjacent pipe assembly structures and/or inside the pipe assembly structures, the porous plates are arranged on the outer walls of the moisture channels, and moisture after heat exchange of materials enters the moisture channels through the porous plates.
According to the vertical dryer, the pipe assembly structure in the drying module is composed of the air inlet channels and the material channels which are vertically arranged, the air inlet channels and the material channels are separated by the porous plates, and the air inlet channels in the drying module between the adjacent upper layers and the adjacent lower layers are staggered.
According to the vertical dryer, the transition bin is arranged on the upper portion of the drying module and used for temporarily storing wet materials, and the shutter switch devices are arranged below the transition bin and at the outlet of the bottom of each drying unit and used for controlling downward material transfer.
According to the vertical dryer, the drying module is of a multi-layer structure, and the embedded fixing structure is adopted, so that the drying module is convenient to assemble and disassemble.
Preferably, different layers of the drying module are made of different materials according to the water content of materials and the corrosiveness difference of the pipes, and the different materials are that the pipe material at the upper layer has higher corrosion resistance than the pipe material at the lower layer.
The vertical dryer is characterized in that the number of the drying units is 2-8, the number of the drying module layers of each drying unit is 3-7, and the vertical dryer further comprises an instrument device and a PLC automatic control device, and all the devices are integrated into a whole to perform automatic feeding and discharging.
In summary, the beneficial effects of the invention are as follows:
1. the vertical dryer provided by the invention has the advantages that the drying module is of a multilayer assembly structure, the combination is flexible, the vertical dryer is suitable for drying different materials to be dried, the designated number of drying units can be started according to the capacity requirement, the drying module is free and flexible, and the application range is wide.
2. The vertical dryer falls down in a drying mode step by step, so that the drying efficiency and the product quality are greatly improved.
3. According to the vertical dryer, automatic operation is adopted for feeding and discharging, so that the labor cost is effectively reduced, and the production efficiency is improved.
4. According to the vertical dryer disclosed by the invention, parts are not required to be replaced during daily cleaning and maintenance, the spare module is only required to replace the module with the same specification in a fixed period, and then the original module is cleaned and maintained, so that the maintenance cost is reduced.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a diagram showing an internal structure of a drying module according to embodiment 1 of the present invention;
fig. 3 is a diagram showing an internal structure of a drying module according to embodiment 2 of the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a diagram showing an internal structure of a drying module according to embodiment 3 of the present invention;
the components represented by the reference numerals in the figures are:
1. the material guide plate, 2, vertical branch pipes, 3, a single-row collecting pipe, 4, a main pipe, 5, pipe intervals, 6, a conveying vehicle, 7, a feeding device, 8, a driving device, 9, a first layer drying module, 10, a second layer drying module, 11, a third layer drying module, 12, a fourth layer drying module, 13, a fifth layer drying module, 14, a feeding direction, 15, an operating platform, 16, a transition bin, 17, a shutter switch device, 18, a dry material conveying device, 19, a moisture channel, 20, a porous plate, 21, a steam connecting pipe, 22, a first layer air inlet channel, 23, a second layer air inlet channel, 24, a third layer air inlet channel, 25 and a material channel.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art, and the disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Other terms used to describe the relationship between elements should be interpreted in the same manner (e.g., "between," "adjacent," etc.).
Example 1
Referring to fig. 1, fig. 1 is a vertical dryer of the present embodiment, including a feeding device 7, a plurality of drying units and a dry material conveying device 18, where the feeding device 7 is used for conveying a conveying vehicle 6 full of materials to the top of the drying units and conveying an empty conveying vehicle 6 to the ground, and the rear of the feeding device 7 is matched with a driving device 8 to control the moving direction and speed of the conveying vehicle 6; each drying unit comprises a plurality of layers of drying modules which are vertically arranged, and materials are transported away from the dry material conveying device 18 after being dried by the layers of drying modules step by step from top to bottom.
Further, a plurality of pipe assembly structures are arranged in the drying module, a plurality of pipelines which are arranged in a staggered mode are arranged in each pipe assembly structure, a certain number of pipe intervals (5) are kept between adjacent pipelines, hot steam is introduced into the pipelines, and the heat exchange can be directly or indirectly carried out with materials in contact with the pipelines, so that the purpose of drying the materials is achieved.
Further, during drying operation, a single-layer or multi-layer drying module can be selected according to the size and the humidity degree of the material particles, so that energy sources are saved, and the efficiency is improved. Five layers of drying modules are arranged in each drying unit of the embodiment and are mainly used for drying wet materials, the five layers of drying modules are sequentially a first layer of drying module 9, a second layer of drying module 10, a third layer of drying module 11, a fourth layer of drying module 12 and a fifth layer of drying module 13 from top to bottom, and the optimal product quality and the fastest drying efficiency can be obtained through layer-by-layer drying of the five layers of drying modules. The embedded fixing structure is adopted among the modules, so that the module is convenient to assemble and disassemble, the modules of each specification are all manufactured into standby modules of a certain proportion, and the standby modules are used for replacing the modules of the same specification in a fixed period, so that the original modules are cleaned and maintained.
Referring now to fig. 2, fig. 2 is a schematic diagram of a four-group pipe assembly structure in a certain drying module, however, the number of pipe assemblies may be increased or decreased, and the present invention is not limited thereto. Each group of pipe assembly structure comprises a plurality of layers of steam connecting pipes 21 which are transversely arranged, and the front end and the rear end of each steam connecting pipe 21 are connected with steam channels, so that the steam connecting pipes 21 are always filled with hot steam, and the pipe walls are in direct contact with wet materials for heat exchange so as to achieve the purposes of evaporating moisture and drying the materials. Preferably, a heat exchanger and a temperature detection device are arranged in each layer of drying module, so as to convert the hot steam to the designated temperature of each layer.
Further, the steam connecting pipes 21 of different layers are arranged at intervals, so that the contact frequency of the material and the steam connecting pipes 21 is increased, the descending speed of the material is buffered, the material is fully contacted with hot steam, and the drying efficiency is improved. Preferably, the steam connection pipes 21 of different layers are uniformly arranged in a diamond shape, and a certain pipe spacing 5 is kept between the steam connection pipes, so that the drying efficiency of materials is improved to the maximum.
Further, the pipe spacing 5 may be selected to be within a range of 20-200 mm to ensure that the material is effectively dried during the falling process, and preferably, the pipe spacing 5 in the lower layer drying module is smaller than the pipe spacing 5 in the upper layer drying module.
Further, the moisture channels 19 are arranged between the adjacent pipe assembly structures or inside the pipe assembly structures, in this embodiment, the moisture channels 19 are arranged between the adjacent pipe assembly structures, and the moisture channels 19 penetrate through the whole drying unit, and moisture generated in the drying modules of different layers is collected upwards to the main pipeline through the branches and then discharged.
Of course, flexible arrangement modes of the moisture channels 19 can be adopted in different drying modules, and the drying modules can be connected into a whole space, such as a shape of a Chinese character 'kou', or a plurality of small space separating types, such as a shape of a Chinese character 'jing', and finally, the drying modules can be collected to a main pipeline through branches.
Further, porous plates 20 are arranged at the contact positions of the two sides of the moisture channel 19 and the materials, and the porous plates 20 are fine filter screens, so that the materials can be prevented from entering the moisture channel 19, and moisture is not affected.
Further, in order to prevent the material from piling up in a certain place when falling step by step, all pipe assemblies top that the material was touched when top-down got into the stoving module all are provided with toper guider, in this embodiment, moisture passageway 19 top position is designed with material deflector 1 promptly, has the summit up, simultaneously, steam takeover 21 is square tube, edge position orientation is above, the material whereabouts of being convenient for prevents the stock.
In this embodiment, when the wet material is dried layer by layer through the five-layer drying module, the water content and the corrosiveness to the pipe material will change step by step, so as to meet the drying performance of each layer, and reduce the cost at the same time, different layers of the drying module adopt different materials, wherein the first layer drying module 9 and the second layer drying module 10 adopt 2205 stainless steel, the third layer drying module 11 and the fourth layer drying module 12 adopt 316L stainless steel, and the fifth layer drying module 13 adopts 304 stainless steel.
In this embodiment, the uppermost portion of the drying unit is provided with a transition bin 16 for temporarily storing wet materials, the size of the transition bin 16 is larger than that of the conveying vehicle 6, a rolling shutter sealing device is arranged at the top, a shutter switch device 17 is arranged in the middle, a shutter switch device 17 is also arranged at the bottom of the conveying vehicle 6, and the two shutter switch devices 17 can conveniently control when the wet materials enter the equipment to perform drying operation.
Further, an operation platform 15 is further installed in the upper space of the drying unit, so that safety maintenance operation is conveniently performed on the feeding device 7, the driving device 8, the transition bin 16 and the like, and a shutter switch device 17 is arranged at the outlet of the bottom of the drying unit and used for controlling the dried materials to be downwards transferred to a dry material conveying device 18.
In this embodiment, the device further comprises an instrument device and a PLC automatic control device, which can automatically control the feeding device, the driving device, the shutter switch device, etc., thereby reducing a large amount of human resources.
Specifically, when the equipment is in operation, wet materials to be dried are lifted to the top of the equipment through a feeding device 7 by a conveying vehicle 6, the conveying vehicle 6 is dragged to the position right above a transition bin 16 of a unit to be fed by a driving device 8, then a rolling curtain sealing device at the top of the transition bin and a shutter switch device 17 at the bottom of the conveying vehicle 6 are opened, the materials are filled into the transition bin 16, the rolling curtain sealing device is closed, and an original path returns after the conveying vehicle 6 discharges the materials for recycling after feeding. When the inner pipe assembly structure of the drying unit is full of hot steam, the shutter switch device 17 of the transition bin 16 is opened, materials enter the drying module layer by layer, along with the continuous drying of wet materials, the contained moisture is continuously reduced, the volume of the materials is contracted, the materials descend layer by layer under the action of gravity, a certain drying time is kept, after five layers of drying modules pass, the blanking shutter switch device 17 at the lowest part of the equipment is opened, and dry materials meeting the requirements are output through the dry material conveying device 18.
Example 2
Referring to fig. 3-5, the drying module adopted in this embodiment is a longitudinally arranged cubic pipe assembly structure, the cubic pipe assembly structure includes a vertical branch pipe 2, a single-row header pipe 3 and a main pipe 4, a plurality of vertical branch pipes 2 are arranged in a row, welded on the single-row header pipe 3 at the upper end and the lower end, and a small pipeline assembly is formed first, and then the connected plurality of pipeline assemblies are connected with the main pipes 4 at the two ends, so that a cubic pipe assembly structure is formed.
Preferably, the vertical branch pipes 2, the single-row collecting pipe 3 and the main pipe 4 are stainless steel rectangular pipes or square pipes, so that connection and transmission of hot steam are facilitated, and openings are formed in the connection positions of the vertical branch pipes, the single-row collecting pipe 3 and the main pipe 4, so that circulation of the hot steam is facilitated.
Further, the main pipe 4 is the largest in size, the vertical branch pipes 2 are the smallest in size, and the hot steam connection pipe enters the cube pipe assembly structure through the main pipe 4, then enters the single-row collecting pipe 3 connected with the main pipe 4, and finally enters each vertical branch pipe 2.
Furthermore, the vertical branch pipes 2 between the adjacent single-row collecting pipes 3 are staggered, and a certain number of pipe spacing 5 is kept between the adjacent vertical branch pipes 2 and between the adjacent single-row collecting pipes 3, so that the materials are heated uniformly.
Preferably, the pipe spacing 5 is between 20 and 200mm, and drying modules with different specifications can be manufactured according to the size of the material particles.
After wet material gets into drying module from the top, the single-row header pipe 3 upper surface of rectangular pipe pattern can remain partial material always, so still be provided with material deflector 1 above the single-row header pipe 3 in this embodiment, preferably angle bar structure, the back-off is on the single-row header pipe, in the smooth entering drying module of material of being convenient for can not produce and remain.
The inside of the drying module provided by the invention is of a cube pipe assembly structure, and other various patterns such as diamond, polygonal, staggered structure and the like can be used, so that the purposes of quick drying and efficiency improvement can be realized.
The drying mode of the cube pipe assembly structure of this embodiment is similar to that of embodiment 1, and the drying purpose is achieved by introducing steam into the pipe assembly and performing heat exchange between the outer wall of the steam and the material. Other features not mentioned in this embodiment may be the same as those in embodiment 1, and will not be described again.
Example 3
Referring to fig. 6, the embodiments 1 and 2 adopt a large number of pipe assembly structures to improve the drying efficiency of materials, and break-through is realized in terms of rapid design and modular manufacturing, but a special moisture channel 19 is also required to be configured to discharge moisture in time. As another angle improvement, the pipe assembly structure in the drying module of this embodiment only includes a plurality of air inlet channels arranged transversely, the gap that leaves between the air inlet channels constitutes material channel 25, air inlet channels and material channel 25 are arranged perpendicularly and are constituteed to separate through the perforated plate 20 in the air inlet channel outside, the hot steam in the air inlet channel directly gets into material channel 25 from perforated plate 20 and dries the material, has improved drying efficiency greatly, and the moisture that the drying produced gets into in the air inlet channel to flow out the air inlet channel under the promotion of hot steam at the back or the effect of convulsions and compression equipment.
Further, the air inlet channels in the drying modules between the adjacent upper and lower layers are staggered, so that the materials are heated uniformly. If a certain second layer air inlet channel 23 in the second layer drying module is located between two first layer air inlet channels 22 in the first layer drying module, a certain third layer air inlet channel 24 in the third layer drying module is located between two second layer air inlet channels 23 in the second layer drying module, and so on.
Further, the distance between the air inlet channels 22 is gradually decreased from top to bottom, and the size of the air inlet channels is gradually increased from top to bottom, so as to adapt to the characteristic that the volume is continuously reduced in the process of dropping and drying materials.
Other features not mentioned in this embodiment may be the same as those in embodiment 1, and will not be described again.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The vertical dryer is characterized by comprising a feeding device (7), a plurality of drying units and a dry material conveying device (18), wherein a driving device (8) is matched behind the feeding device (7) to convey materials to the top of the drying units, each drying unit comprises a plurality of layers of drying modules, the plurality of layers of drying modules are horizontally stacked, and the materials are conveyed away from the dry material conveying device (18) after being dried by the plurality of layers of drying modules step by step from top to bottom;
the inside of the drying module is provided with a plurality of pipe assembly structures, each pipe assembly structure is internally provided with a plurality of pipelines which are staggered, a certain number of pipe intervals (5) are kept between the adjacent pipelines, and a heating medium is filled in the pipelines, so that the heat exchange can be directly or indirectly contacted with materials, and the purpose of drying the materials is achieved;
conical material guiding devices are arranged above all the pipe assemblies which are contacted when materials enter the drying module from top to bottom, so that the materials fall down conveniently, and the storage is prevented;
the pipe assembly structure in the drying module is transversely arranged and comprises a steam connecting pipe (21), the front end and the rear end of the steam connecting pipe (21) are connected with a steam chamber or a steam channel, so that the steam connecting pipe (21) is always filled with hot steam, and the hot steam is in direct contact heat exchange with wet materials through pipe walls;
the steam connecting pipes (21) of different layers are uniformly arranged in a diamond shape, a certain pipe spacing (5) is kept between the steam connecting pipes, the contact frequency of materials and the steam connecting pipes (21) is increased, the descending speed of the materials is buffered, the materials are fully contacted with hot steam, and the drying efficiency is improved;
moisture channels (19) are arranged between adjacent pipe assembly structures and/or inside the pipe assembly structures, porous plates (20) are arranged on the outer walls of the moisture channels (19), moisture after material heat exchange enters the moisture channels (19) through the porous plates (20), the moisture channels (19) penetrate through the whole drying unit, and moisture generated in drying modules of different layers is gathered upwards through branches to a main pipeline and discharged.
2. A vertical dryer according to claim 1, characterized in that the upper part of the drying module is provided with a transition bin (16) for temporarily storing wet materials, and a shutter switch device (17) is arranged below the transition bin (16) and at the outlet of the bottom of each drying unit for controlling the downward transfer of the materials.
3. The vertical dryer of claim 1, wherein the drying module is of a multi-layer structure, and is of an embedded fixing structure, so that the drying module is convenient to disassemble and assemble.
4. A vertical dryer according to claim 3, wherein different layers of the drying module are made of different materials according to the water content of the materials and the corrosiveness difference of the materials to the pipes, and the different materials are that the pipe materials on the upper layer have higher corrosion resistance than the pipe materials on the lower layer.
5. The vertical dryer of claim 1, wherein the number of the drying units is 2-8, the number of the drying module layers of each drying unit is 3-7, and the vertical dryer further comprises an instrument device and a PLC self-control device, and all the devices are integrated into a whole for automatic feeding and discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257252.5A CN109855416B (en) | 2019-04-01 | 2019-04-01 | Vertical dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257252.5A CN109855416B (en) | 2019-04-01 | 2019-04-01 | Vertical dryer |
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| Publication Number | Publication Date |
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| CN109855416A CN109855416A (en) | 2019-06-07 |
| CN109855416B true CN109855416B (en) | 2024-03-19 |
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| CN201910257252.5A Active CN109855416B (en) | 2019-04-01 | 2019-04-01 | Vertical dryer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111121406A (en) * | 2019-12-25 | 2020-05-08 | 王峰云 | Inclined drying device, drying equipment and drying method |
| TWI804721B (en) * | 2020-03-27 | 2023-06-11 | 詠創精密股份有限公司 | Uniform temperature dryer with multi-stage heating system |
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