CN114294931A - Drying machine - Google Patents
Drying machine Download PDFInfo
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- CN114294931A CN114294931A CN202111357355.2A CN202111357355A CN114294931A CN 114294931 A CN114294931 A CN 114294931A CN 202111357355 A CN202111357355 A CN 202111357355A CN 114294931 A CN114294931 A CN 114294931A
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- Prior art keywords
- medium
- dryer
- bearing surface
- scraper
- bearing
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- 238000001035 drying Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 101
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000011093 chipboard Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001599 direct drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- -1 sawdust Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The invention discloses a dryer, which comprises a bearing heating table, wherein the bearing heating table is provided with a bearing surface for bearing materials and a medium accommodating cavity for accommodating a thermal medium, the two opposite ends of the bearing surface are respectively a feeding end and a discharging end, the medium accommodating cavity is provided with a medium inlet and a medium outlet, and the dryer also comprises a material driving device for driving the materials on the bearing surface to move from the feeding end to the discharging end. The dryer has the advantages of high drying efficiency, simple and compact structure, low cost, low energy consumption and the like.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to a dryer.
Background
The drier is mainly used for drying moisture, and is mainly used for drying materials such as sawdust, wood chips, wood shavings and the like in the field of manufacturing artificial boards such as shaving boards and the like, so that the moisture is controlled within a proper range.
There are many types of dryers used in the field of manufacturing artificial boards such as chipboards, including a fixed type, a rotary type, a direct drying type of heat medium, and an indirect heating type, and the heat medium used is also various, including steam, heat transfer oil, high-temperature hot water, hot air, combustion gas, and the like. Commonly used are a rotor dryer, a rotary cylinder dryer, a furnace gas heating cylinder dryer, a straight tube type air flow dryer, and the like. The drying equipment has a complex structure and low thermal efficiency, and when the drying moisture of the materials exceeds more than 65%, the drying effect is not ideal; and the use cost of the devices is high, for example, the furnace gas heating cylinder dryer and the straight pipe type air flow dryer need a large amount of hot air as a medium to transmit heat energy, so that a large fan is needed to provide wind pressure, and particularly for materials with high moisture, the power consumption of the fan is higher. Both the rotor type dryer and the rotary type dryer require the equipment to rotate to drive the materials to slowly move forward, which also consumes a large amount of power.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provide the drying machine which is high in drying efficiency, simple and compact in structure, low in cost and low in energy consumption.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a dryer, includes holds the material warm table, hold the material warm table and have the loading end that is used for bearing the material and the medium that is used for holding hot medium and hold the chamber, the relative both ends of loading end are feed end and discharge end respectively, the medium holds the chamber and has medium import and medium export, the dryer still includes and is used for ordering about the material on the loading end by the material drive arrangement of feed end to the discharge end motion.
As a further improvement of the above technical solution:
the material drive arrangement includes annular member and is used for the drive assembly of annular member operation, annular member has scrapes the material section, scrape the material section be located the top of loading end and certainly the feed end extends to the discharge end, be equipped with on the annular member along the annular member around the polylith scraper blade of direction interval arrangement in proper order, each scraper blade passes through along the annular member motion it is moved to the discharge end by the feed end to promote the material on the loading end when scraping the material section.
The scraper blade is arranged in an inclined mode relative to the direction perpendicular to the bearing surface, and when the scraper blade moves to the scraping section, the scraper blade inclines towards the direction far away from the discharging end along the direction from bottom to top.
The included angle between the scraper and the bearing surface is 15-75 degrees.
The driving assembly comprises a chain wheel mechanism, the annular component comprises two chains wound on the chain wheel mechanism, and two ends of each scraper are connected with the two chains respectively.
The medium accommodating cavity is internally provided with a plurality of shunting flow blocking plates positioned between the medium inlet and the medium outlet, and the plurality of shunting flow blocking plates are arranged at intervals to form an overflowing channel for the medium to flow from the medium inlet to the medium outlet.
The multi-block flow dividing and blocking plate is divided into a plurality of rows which are sequentially arranged at intervals along the direction from the feeding end to the discharging end, each row comprises more than two flow dividing and blocking plates which are sequentially arranged at intervals along the direction vertical to the direction from the feeding end to the discharging end, the medium inlet is communicated with one end of the medium containing cavity close to the feeding end, and the medium outlet is communicated with one end of the medium containing cavity close to the discharging end.
The dryer also comprises a tunnel type shell with a through channel, and the material bearing heating table is arranged in the through channel in a penetrating mode.
And more than one group of moisture exhausting assemblies for exhausting moisture in the through channel are arranged on the tunnel type shell.
The moisture exhausting assembly comprises an exhaust fan and a chimney, and the through channel is communicated with the chimney through the exhaust fan.
Compared with the prior art, the invention has the advantages that:
the dryer adopts the material bearing heating table to bear materials, the material bearing heating table is provided with a medium containing cavity, a medium inlet and a medium outlet, liquid or gaseous heat medium can be introduced into the medium containing cavity to heat and dry the materials borne on the material bearing heating table, meanwhile, the material driving device is adopted to drive the materials on the bearing surface to move from the feeding end to the discharging end, so that the materials can move to the discharging end while being heated, and the continuity of material drying can be realized by matching with the continuous feeding of the materials to the feeding end of the material bearing heating table. Because the material directly bears and holds the material warm table and hold material warm table direct contact, heat-conduction efficiency is high, can rise the material temperature fast, makes the moisture content in the material volatilize fast, can improve the heating drying efficiency. Moreover, the material driving device only needs to drive the materials on the bearing surface to move from the feeding end to the discharging end, and only needs to provide power for driving the materials to move along the bearing surface, so that the structure of the material driving device can be simplified, the cost can be reduced, and the energy consumption can be reduced.
Drawings
Fig. 1 is a schematic diagram of a dryer.
Illustration of the drawings:
1. a material-bearing heating table; 10. a bearing surface; 11. a media containment chamber; 12. a media inlet; 13. a media outlet; 14. a flow dividing and blocking plate; 2. a material driving device; 21. a squeegee; 22. a sprocket mechanism; 23. a chain; 3. a tunnel shell; 4. an exhaust fan; 5. and (4) a chimney.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1, the dryer of the present embodiment includes a material supporting heating platform 1, the material supporting heating platform 1 has a supporting surface 10 for supporting a material and a medium accommodating cavity 11 for accommodating a thermal medium, opposite ends of the supporting surface 10 are a feeding end and a discharging end, respectively, the medium accommodating cavity 11 has a medium inlet 12 and a medium outlet 13, and the dryer further includes a material driving device 2 for driving the material on the supporting surface 10 to move from the feeding end to the discharging end. The dryer adopts the material bearing heating table 1 to bear materials, the material bearing heating table 1 is provided with a medium containing cavity 11, a medium inlet 12 and a medium outlet 13, liquid or gaseous heat media can be introduced into the medium containing cavity 11 to heat and dry the materials borne on the material bearing heating table 1, meanwhile, the material driving device 2 is adopted to drive the materials on the bearing surface 10 to move from the feeding end to the discharging end, the materials can be heated and move towards the discharging end at the same time, and the continuity of material drying can be realized by matching with the continuous feeding of the materials to the material bearing heating table 1. Because the material directly bears and holds material warm table 1 and hold material warm table 1 direct contact, heat-conduction efficiency is high, can rise the material temperature fast, makes the moisture content in the material volatilize fast, can improve the heating drying efficiency. Moreover, the material driving device 2 only needs to drive the material on the bearing surface 10 to move from the feeding end to the discharging end, and only needs to provide power for driving the material to move along the bearing surface 10, so that the structure of the material driving device 2 can be simplified, the cost can be reduced, and the energy consumption can be reduced.
In this embodiment, the material driving device 2 includes an annular member and a driving assembly for driving the annular member to operate, the annular member has a scraping section, the scraping section is located above the bearing surface 10 and extends from the feeding end to the discharging end, a plurality of scraping plates 21 are arranged on the annular member at intervals in sequence along the surrounding direction of the annular member, and each scraping plate 21 pushes the material on the bearing surface 10 to move from the feeding end to the discharging end when moving along with the annular member through the scraping section. When the driving assembly drives the annular component to run, the scraper 21 moves synchronously with the annular component, and when passing through the scraper section, the scraper can push the material on the bearing surface 10 to move from the feeding end to the discharging end. Meanwhile, the plurality of scraper blades 21 are arranged at intervals in sequence, when the material is pushed, the material can pass through the space between two adjacent scraper blades 21, the effect of pushing the material to move and turning the material can be achieved, and the drying speed of the material can be increased.
In this embodiment, the scraper 21 is arranged obliquely with respect to a direction perpendicular to the carrying surface 10, and when the scraper 21 moves to the scraping section, the scraper 21 is inclined toward a direction away from the discharging end along a direction from bottom to top. The scraper 21 is beneficial to partial materials moving along the scraper 21 and passing through the scraper 21 in the material pushing process, a better material turning effect is formed, and the material drying speed is further improved. Preferably, the included angle between the scraper 21 and the bearing surface 10 is 15-75 degrees, and the material turning effect is optimal.
In this embodiment, the driving assembly includes a sprocket mechanism 22, the annular member includes two chains 23 wound around the sprocket mechanism 22, and both ends of each flight 21 are connected to the two chains 23, respectively. The annular component and the driving assembly are simple in structure, stable and reliable in operation and stable in operation. In other embodiments, the driving assembly and the annular component may also adopt a combination of a belt wheel mechanism and an annular belt, and the material driving device 2 may also adopt a push plate or the like which is driven by a telescopic driving mechanism to reciprocate, as long as the material can be driven to move from the feeding end to the discharging end. The chain wheel mechanism 22 is made by the prior art, and mainly includes a shaft, a chain wheel and a driving motor, which will not be described in detail herein.
In this embodiment, the medium accommodating chamber 11 is provided with a plurality of flow dividing and blocking plates 14 located between the medium inlet 12 and the medium outlet 13, and the plurality of flow dividing and blocking plates 14 are arranged at intervals to form a flow passage for the medium flowing from the medium inlet 12 to the medium outlet 13. In the process that the heat medium enters the medium accommodating cavity 11 from the medium inlet 12 and flows to the medium outlet 13, the flow dividing and blocking plate 14 has the functions of dividing and blocking the heat medium to slow down the flow, so that the retention time of the heat medium in the medium accommodating cavity 11 can be prolonged, the sufficient heat exchange time is ensured, and the heat energy is fully utilized; meanwhile, the heat medium is uniformly distributed in the medium accommodating cavity 11, so that the heating and drying speeds of the materials on the bearing surface 10 are uniform and consistent.
In this embodiment, the plurality of diversion baffle plates 14 are divided into a plurality of rows arranged at intervals in sequence along the direction from the feeding end to the discharging end, each row comprises more than two diversion baffle plates 14 arranged at intervals in sequence along the direction perpendicular to the direction from the feeding end to the discharging end, the medium inlet 12 is communicated with one end of the medium accommodating cavity 11 close to the feeding end, and the medium outlet 13 is communicated with one end of the medium accommodating cavity 11 close to the discharging end. The distribution baffle plate 14 with the arrangement mode has better flow distribution and blocking effect, and is more beneficial to uniform distribution of the heat medium in the medium accommodating cavity 11. And the material temperature of feed end department is low, moisture content is big, and medium import 12 holds the one end intercommunication that chamber 11 is close to the feed end with the medium for feed end department temperature is higher, and thermal radiation intensity is high, can rise the temperature to drying temperature fast, does benefit to the moisture content evaporation of accelerating the material, improves drying efficiency. Preferably, the two adjacent rows of the flow dividing baffles 14 are arranged in a staggered manner, so that the flow dividing effect can be further improved, and the flow slowing effect can be further improved. The reposition of redundant personnel of this embodiment keeps off and flows board 14 and connect between the roof and the diapire that the medium holds the chamber 11, under the thinner condition of holding material warm table 1 wall thickness, also can guarantee the structural strength who holds material warm table 1, does benefit to the cost of manufacture that reduces holding material warm table 1, weight reduction.
Compared with the traditional cylinder dryer, the dryer of the embodiment can save energy consumption by more than 50%.
In this embodiment, the dryer further includes a tunnel casing 3 having a through passage, and the material-holding heating table 1 is disposed in the through passage in a penetrating manner. Will hold material warm table 1 and wear to establish the setting in link up the passageway, the during operation tunnel type casing 3 can the significantly reduced heat radiation spill over, improves heat utilization efficiency, reduces the energy consumption. Preferably, the tunnel shell 3 is provided with a heat insulation structure, in particular with reference to existing tunnel kilns.
In this embodiment, be equipped with more than a set of moisture exhaust subassembly that is used for in the through passage moisture exhaust on the tunnel type casing 3, volatile moisture in time discharges when drying the material through the moisture exhaust subassembly does benefit to and improves drying efficiency.
In this embodiment, the moisture exhausting assembly includes an exhaust fan 4 and a chimney 5, and the through passage is communicated with the chimney 5 through the exhaust fan 4. The exhaust fan 4 can be started according to needs, and when the exhaust fan 4 is started, moisture in the through channel can be pumped to the chimney 5 to be exhausted.
In other embodiments, the medium inlet 12 and the medium outlet 13 may be provided in plural, which is more favorable for uniform flow distribution of the heat medium in the medium accommodating chamber 11. Preferably, the width of the medium accommodating cavity 11 is consistent along the direction from the feeding end to the discharging end, so as to facilitate uniform heating and drying of the material on the bearing surface 10. Further preferably, the width of the bearing surface 10 is the same along the direction from the feeding end to the discharging end, and is basically the same as the size of the medium accommodating cavity 11, so that the drying efficiency can be improved and the productivity can be improved under the condition of ensuring uniform heating and drying of the materials.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (10)
1. A kind of drier, its characteristic is: including holding material warm table (1), hold material warm table (1) have bearing surface (10) that is used for bearing the weight of the material and the medium that is used for holding hot medium and hold chamber (11), the relative both ends of bearing surface (10) are feed end and discharge end respectively, the medium holds chamber (11) and has medium import (12) and medium export (13), the desiccator is still including being used for ordering about material on bearing surface (10) and by feed end to material drive arrangement (2) of discharge end motion.
2. The dryer of claim 1, wherein: the material drive arrangement (2) include the annular part and be used for the drive assembly of annular part operation, the annular part has scrapes the material section, scrape the material section be located the top of loading end (10) and certainly the feed end extends to the discharge end, be equipped with on the annular part along annular part direction of encircleing polylith scraper blade (21) of interval arrangement in proper order, each scraper blade (21) pass through along the annular part motion it is moved to the discharge end by the feed end to promote the material on loading end (10) when scraping the material section.
3. The dryer of claim 2, wherein: the scraper (21) is obliquely arranged relative to the direction vertical to the bearing surface (10), and when the scraper (21) moves to the scraping section, the scraper (21) is obliquely arranged towards the direction far away from the discharging end along the direction from bottom to top.
4. The dryer of claim 3, wherein: the included angle between the scraper blade (21) and the bearing surface (10) is 15-75 degrees.
5. The dryer of claim 2, wherein: the driving assembly comprises a chain wheel mechanism (22), the annular component comprises two chains (23) wound on the chain wheel mechanism (22), and two ends of each scraper (21) are connected with the two chains (23) respectively.
6. The dryer of claim 5, wherein: the medium accommodating cavity (11) is internally provided with a plurality of flow dividing and blocking plates (14) positioned between the medium inlet (12) and the medium outlet (13), and the flow dividing and blocking plates (14) are arranged at intervals to form a flow passage for the medium to flow from the medium inlet (12) to the medium outlet (13).
7. The dryer of claim 6, wherein: the polylith reposition of redundant personnel fender flow board (14) divide into along the feed end to the multirow of discharge end direction interval arrangement in proper order, and every row includes more than two along with feed end to the perpendicular direction of discharge end direction interval arrangement's reposition of redundant personnel fender flow board (14) in proper order, medium import (12) hold the one end intercommunication that chamber (11) is close to the feed end with the medium, medium export (13) hold chamber (11) with the medium and are close to the one end intercommunication of discharge end.
8. The drying machine according to any one of claims 1 to 7, wherein: the dryer also comprises a tunnel type shell (3) with a through channel, and the material bearing heating table (1) is arranged in the through channel in a penetrating mode.
9. The dryer of claim 8, wherein: more than one group of moisture exhausting assemblies used for exhausting moisture in the through channel are arranged on the tunnel type shell (3).
10. The dryer of claim 9, wherein: the moisture exhaust component comprises an exhaust fan (4) and a chimney (5), and the through channel is communicated with the chimney (5) through the exhaust fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357355.2A CN114294931A (en) | 2021-11-16 | 2021-11-16 | Drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357355.2A CN114294931A (en) | 2021-11-16 | 2021-11-16 | Drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114294931A true CN114294931A (en) | 2022-04-08 |
Family
ID=80964327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111357355.2A Pending CN114294931A (en) | 2021-11-16 | 2021-11-16 | Drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114294931A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089408A2 (en) * | 1982-03-23 | 1983-09-28 | Fuchs & Co. Gesellschaft m.b.H. | Method and apparatus for ventilating the material to be dried in a tunnel dryer |
| JP2003227683A (en) * | 2002-02-05 | 2003-08-15 | Sumitomo Heavy Ind Ltd | Dryer |
| CN203040633U (en) * | 2013-02-07 | 2013-07-10 | 塔里木大学 | Gas directly-heated type continuous walnut drying machine |
| CN203704598U (en) * | 2014-03-04 | 2014-07-09 | 凉山金叶废弃烟草集中销毁环保科技有限公司 | Drying system for producing fertilizer by using waste tobacco leaves |
| CN103925781A (en) * | 2014-04-29 | 2014-07-16 | 石家庄鸿宇化学工程技术有限公司 | Chain layer harrow type drying machine |
| CN206300455U (en) * | 2016-12-27 | 2017-07-04 | 深圳佰思嘉科技有限公司 | A kind of chain scraper drying device |
| CN207407646U (en) * | 2017-11-01 | 2018-05-25 | 孟州市远弘干燥设备研发有限公司 | The inner heating device of mesh-belt type drier |
| CN110996630A (en) * | 2019-12-26 | 2020-04-10 | 南方电网科学研究院有限责任公司 | Heat radiator |
-
2021
- 2021-11-16 CN CN202111357355.2A patent/CN114294931A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089408A2 (en) * | 1982-03-23 | 1983-09-28 | Fuchs & Co. Gesellschaft m.b.H. | Method and apparatus for ventilating the material to be dried in a tunnel dryer |
| JP2003227683A (en) * | 2002-02-05 | 2003-08-15 | Sumitomo Heavy Ind Ltd | Dryer |
| CN203040633U (en) * | 2013-02-07 | 2013-07-10 | 塔里木大学 | Gas directly-heated type continuous walnut drying machine |
| CN203704598U (en) * | 2014-03-04 | 2014-07-09 | 凉山金叶废弃烟草集中销毁环保科技有限公司 | Drying system for producing fertilizer by using waste tobacco leaves |
| CN103925781A (en) * | 2014-04-29 | 2014-07-16 | 石家庄鸿宇化学工程技术有限公司 | Chain layer harrow type drying machine |
| CN206300455U (en) * | 2016-12-27 | 2017-07-04 | 深圳佰思嘉科技有限公司 | A kind of chain scraper drying device |
| CN207407646U (en) * | 2017-11-01 | 2018-05-25 | 孟州市远弘干燥设备研发有限公司 | The inner heating device of mesh-belt type drier |
| CN110996630A (en) * | 2019-12-26 | 2020-04-10 | 南方电网科学研究院有限责任公司 | Heat radiator |
Non-Patent Citations (2)
| Title |
|---|
| 夏元洲: "国外刨花干燥技术(一)", 《建筑人造板》, no. 02, 25 June 1997 (1997-06-25), pages 11 - 17 * |
| 程涛平: "《楚国农业及社会研究》", 湖北教育出版社, pages: 64 - 65 * |
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Application publication date: 20220408 |