CN213273645U - Composite pre-dewatering device - Google Patents
Composite pre-dewatering device Download PDFInfo
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- CN213273645U CN213273645U CN202021965065.7U CN202021965065U CN213273645U CN 213273645 U CN213273645 U CN 213273645U CN 202021965065 U CN202021965065 U CN 202021965065U CN 213273645 U CN213273645 U CN 213273645U
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Abstract
The utility model relates to a compound dewatering device in advance, include first squeezing mechanism, air current stoving mechanism, second squeezing mechanism and the infrared drying mechanism that sets gradually along conveying mechanism direction of motion. Through the double-roll squeezing, the hot air flow dehydration treatment and the infrared pre-drying treatment, the high-moisture-content material can be subjected to moisture removal in a short time, so that lower initial moisture content is obtained, and the energy consumption in the subsequent drying process is reduced.
Description
Technical Field
The utility model relates to a dry processing field of agricultural material specifically is a compound dewatering device in advance.
Background
For the agricultural product processing by-products such as peanut meal, vinasse, bean pulp and the like and high-moisture-content forage grass, the initial moisture content is high and is usually more than 80%, so the drying time and energy consumption are obviously increased in the drying processing process, the processing cost is improved, and in addition, the phenomena of caking and wall sticking exist in the drying of the agricultural product processing by-products with high moisture content, and the drying efficiency and quality are influenced. In order to reduce energy consumption in the drying process and improve the drying effect and efficiency, pre-dehydration treatment is required.
Most of the pre-dehydration treatment methods for the agricultural product processing byproducts adopt a squeezing dehydration mode, and equipment such as a filter press is used for squeezing and dehydrating, but the water content of the materials treated by the method is still more than 60-65%, multiple times of squeezing is needed, and water still adheres to the surfaces of the materials after squeezing. And for the forage grass and other materials with high water content, the initial water content of the materials is reduced by adopting a natural drying mode, and the mode is greatly influenced by weather, and has long drying time and great quality loss. The existing pre-dehydration technology is difficult to meet the requirements of agricultural product processing byproducts and high-moisture-content forage grass on high-productivity, high-quality and low-energy-consumption pre-dehydration treatment.
SUMMERY OF THE UTILITY MODEL
One or more embodiments provide the following technical solutions:
the utility model provides a compound dewatering device in advance, includes that the first squeezing mechanism, air current stoving mechanism, second squeezing mechanism and the infrared mechanism of drying in advance that set gradually along conveying mechanism direction of motion.
Conveying mechanism includes the conveyer belt, and the direction of motion end of conveyer belt has drive sprocket, and the direction of motion initiating terminal has driven sprocket, and the conveyer belt is fixed by the conveyer belt support, and the top of the direction of motion initiating terminal of conveyer belt is equipped with feed arrangement.
The conveying belt is provided with round holes, the ratio of the diameter of each round hole to the thickness of the conveying belt is 1-3, and the round holes are used for water flow and hot air circulation extruded by the squeezing mechanism.
The first squeezing mechanism comprises a first large pressing roller and a first small pressing roller which are respectively positioned on the upper surface and the lower surface of the conveying belt, the conveying belt is clamped by the first large pressing roller and the first small pressing roller, and a first water receiving device arranged at the bottom of the first squeezing mechanism collects water.
A first large pressing roller in the first pressing mechanism is a driving wheel, and a first small pressing roller is a driven wheel.
The airflow drying mechanism is located at the rear part of the first squeezing mechanism along the moving direction of the conveying belt and comprises an air outlet with an opening direction pointing to the surface of the conveying belt, the air outlet is connected with an air equalizer, a flow dividing block is arranged at the center of the inside of the air outlet, a centrifugal fan is located at the tail end of the pipeline, the hot air with moisture elimination in the infrared pre-drying mechanism is conveyed along the opposite moving direction of the conveying belt, and finally the hot air with moisture elimination acts on a high-humidity material.
The wind equalizer is formed by uniformly arranging and welding slender pipes, and the length-diameter ratio of the slender pipes is 5-7.
And a second squeezing mechanism is arranged at the rear part of the airflow drying mechanism along the moving direction of the conveying belt, and the second squeezing mechanism and the first squeezing mechanism have the same structure.
The rear part of the second squeezing mechanism along the moving direction of the conveying belt is provided with an infrared pre-drying mechanism, the infrared pre-drying mechanism comprises a box body for accommodating the conveying belt, the tail end of the box body is provided with an air inlet, and an infrared heater is positioned above the inner side of the box body.
The box body is also internally provided with at least two groups of poking wheels, and the poking wheels rotate in the process of conveying materials by the conveying belt, so that the materials are turned over towards the moving direction of the conveying belt and enter a discharging device at the tail end of the conveying belt.
The vertical position of the infrared heater is adjustable relative to the height of the conveyor belt, and the power of the infrared heater is adjustable.
The above one or more technical solutions have the following beneficial effects:
1. by utilizing a continuous dehydration method combining multiple modes of double-roll squeezing, hot air flow treatment and infrared pre-drying, the initial water content of the material is reduced, and the energy consumption, drying time and drying cost of a subsequent drying process are reduced.
2. The dehydrated material can damage the material structure due to squeezing and kneading, and is beneficial to the migration and removal of water in the subsequent drying process.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic diagram of an overall structure provided by one or more embodiments of the present invention;
fig. 2 is a schematic structural diagram of an air equalizer according to one or more embodiments of the present invention;
in the figure: 11. a driven sprocket; 12. a conveyor belt; 13. a drive sprocket; 14. a conveyor belt support; 21. a first large press roll; 22. a first small press roll; 23. a first water receiving device; 24. a first press mechanism support; 31. an air equalizer; 32. a shunting block; 33. a pipeline; 41. a second large press roll; 42. a second small press roll; 43. a second water receiving device; 44. a second press mechanism support; 51. a centrifugal fan; 52. an infrared heater; 53. a box body; 54. an air inlet; 55. a poking wheel; 6. a discharging device; 7. a feeding device.
Detailed Description
The following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1:
as described in the background art, the process of pre-dehydrating the material by simply adopting a squeezing mode in the process of drying and processing the agricultural material is difficult to meet the actual production requirement, and when the material with higher initial water content is encountered, the dehydration effect is not ideal, so that continuous dehydration combining multiple modes of roller squeezing, hot air flow treatment and infrared pre-drying in the embodiment is adopted, and the initial water content of the material is reduced.
As shown in fig. 1 and 2, a composite pre-dewatering device includes a first squeezing mechanism, an airflow drying mechanism, a second squeezing mechanism and an infrared pre-drying mechanism, which are sequentially arranged along the moving direction of a conveying mechanism.
The conveying mechanism comprises a conveying belt 12, a driving chain wheel 13 is arranged at the tail end of the conveying belt 12 in the moving direction, a driven chain wheel 11 is arranged at the initial end of the moving direction, the conveying belt 12 is fixed at a designated position by a conveying belt support 14, and a feeding device 7 is arranged above the initial end of the conveying belt 12 in the moving direction.
First squeezing mechanism includes, be located the conveyer belt 12 upper, first big compression roller 21 and the first little compression roller 22 of lower surface respectively, first big compression roller 21 and the centre gripping conveyer belt 12 of first little compression roller 22, the material is located conveyer belt 12 upper surface, moisture is extruded under the mutual squeezing action of first big compression roller 21 and first little compression roller 22, the first water receiving device 23 that flows into first squeezing mechanism bottom collects, first squeezing mechanism supports 24 and provides the mutual extruded motion support of first big compression roller 21 and first little compression roller 22 and the fixed point of first water receiving device 23.
The first big press roll 21 in the first press mechanism is a driving roll, the rotating speed can be adjusted, and the first small press roll 22 is a driven roll.
The airflow drying mechanism is positioned at the rear part of the first squeezing mechanism along the moving direction of the conveying belt 12 and comprises an air outlet with an opening direction pointing to the surface of the conveying belt 12, the air outlet is connected with an air equalizer 31, a flow dividing block 32 is arranged at the central position inside the air outlet, and a centrifugal fan 51 is positioned at the tail end of a pipeline 33 and used for conveying the moisture-removing hot air in the infrared pre-drying mechanism along the opposite moving direction of the conveying belt 12 to act on high-humidity materials.
The air equalizer 33 is formed by uniformly arranging and welding slender pipes, the length-diameter ratio of the slender pipes is 5-7, hot air can be uniformly blown to materials, and fig. 2 is a typical structure of the air equalizer 33.
The rear part of the airflow drying mechanism along the moving direction of the conveying belt 12 is provided with a second squeezing mechanism, the second squeezing mechanism comprises a second large pressing roller 41 and a second small pressing roller 42 which are respectively positioned on the conveying belt 12 and on the lower surface, the conveying belt 12 is clamped by the second large pressing roller 41 and the second small pressing roller 42, materials are positioned on the upper surface of the conveying belt 12, water is squeezed out under the mutual squeezing action of the second large pressing roller 41 and the second small pressing roller 42, the water flows into a second water receiving device 43 at the bottom of the second squeezing mechanism to be collected, and a second squeezing mechanism support 44 provides a movement support for mutual squeezing of the second large pressing roller 41 and the second small pressing roller 42 and a fixing point of the second water receiving device 43.
The second big press roll 41 in the second press mechanism is a driving roll, the rotating speed can be adjusted, and the second small press roll 42 is a driven roll.
The rear part of the second squeezing mechanism along the moving direction of the conveying belt 12 is provided with an infrared predrying mechanism which comprises a box body 53 for accommodating the conveying belt 12, the tail end of the box body 53 is provided with an air inlet 54, and an infrared heater 52 is positioned above the conveying belt 12 entering the box body 53. The box 53 is also provided with at least two groups of toggle wheels 55, the toggle wheels 55 rotate in the process of conveying materials by the conveyor belt 12, so that the materials are toggled towards the movement direction of the conveyor belt 12 and are toggled and overturned to enter the discharging device 6 at the tail end of the conveyor belt 12.
The vertical position of infrared heater 52 is adjustable relative to the height of conveyor belt 12 and the power of infrared heater 52 is adjustable.
One end of the box 53 is provided with an air inlet 54, the centrifugal fan 51 is connected above the other end of the box 53, air enters the box 53 from the air inlet 54, is heated by the infrared heater 52 and then is powered by the centrifugal fan 51, and is transported to an air outlet with the flow dividing block 32 and the air equalizer 31 through the pipeline 33. The infrared heater 52 also provides thermal radiation to the material above the conveyor belt 12 to further dry the material.
The feeding device 7 guides the materials to enter the starting end of the moving direction of the conveying belt 12, the conveying belt 12 conveys the materials to advance under the driving of the driving chain wheel 13 and the driven chain wheel 11, and the materials are pre-dehydrated through the first rolling mechanism, the airflow drying mechanism, the second rolling mechanism and the infrared pre-drying mechanism in sequence.
The first rolling mechanism and the second rolling mechanism are identical in structure, and the large and small pressing rollers are used for extruding materials, so that the materials are kneaded, the biological structure of the materials is damaged, and moisture removal is accelerated.
The infrared predrying mechanism adjusts the radiation power and the radiation distance of the infrared heater 52 to realize the removal degrees of different moisture contents of the materials. The heat generated by the infrared heater 52 is carried by the air and then blown into the surface of the material by the airflow drying mechanism. Through the double-roll squeezing, the hot air flow dehydration treatment and the infrared pre-drying treatment, the high-moisture-content material can be subjected to moisture removal in a short time, so that lower initial moisture content is obtained, and the energy consumption in the subsequent drying process is greatly reduced.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (9)
1. A composite pre-dewatering device is characterized in that: the device comprises a first squeezing mechanism, an airflow drying mechanism, a second squeezing mechanism and an infrared pre-drying mechanism which are sequentially arranged along the motion direction of a conveying mechanism, wherein the first squeezing mechanism comprises a first large compression roller and a first small compression roller which are respectively positioned on the upper surface and the lower surface of a conveying belt, the first large compression roller and the first small compression roller clamp the conveying belt, and a first water receiving device is arranged at the bottom of the first squeezing mechanism.
2. A composite pre-dewatering apparatus as defined in claim 1, further comprising: the conveying mechanism comprises a conveying belt, a driving chain wheel is arranged at the tail end of the conveying belt in the moving direction, and a driven chain wheel is arranged at the starting end of the moving direction.
3. A composite pre-dewatering apparatus as defined in claim 2, further comprising: round holes are formed in the conveyor belt, and the ratio of the diameter of each round hole to the thickness of the conveyor belt is 1-3.
4. A composite pre-dewatering apparatus as defined in claim 1, further comprising: a first large pressing roller in the first pressing mechanism is a driving wheel, and a first small pressing roller is a driven wheel.
5. A composite pre-dewatering apparatus as defined in claim 1, further comprising: the airflow drying mechanism is positioned at the rear part of the first squeezing mechanism along the moving direction of the conveying belt and comprises an air outlet with an opening direction pointing to the surface of the conveying belt, the air outlet is connected with an air equalizer, a flow dividing block is arranged at the center of the inside of the air outlet, and the centrifugal fan is positioned at the tail end of the pipeline, sucks air, heats the air and conveys the air along the opposite moving direction of the conveying belt.
6. A composite pre-dewatering apparatus as set forth in claim 5, wherein: the wind equalizer is formed by uniformly arranging and welding slender pipes, and the length-diameter ratio of the slender pipes is 5-7.
7. A composite pre-dewatering apparatus as defined in claim 1, further comprising: the second squeezing mechanism is positioned at the rear part of the airflow drying mechanism along the moving direction of the conveying belt, and the second squeezing mechanism and the first squeezing mechanism have the same structure.
8. A composite pre-dewatering apparatus as defined in claim 1, further comprising: the infrared predrying mechanism is positioned at the rear part of the second squeezing mechanism along the moving direction of the conveying belt and comprises a box body for accommodating the conveying belt, the tail end of the box body is provided with an air inlet, and the infrared heater is positioned above the inner side of the box body.
9. A composite pre-dewatering apparatus as set forth in claim 8, wherein: the box body is internally provided with at least two groups of poking wheels which rotate in the process of conveying materials by the conveying belt and poke the materials to move towards the conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021965065.7U CN213273645U (en) | 2020-09-09 | 2020-09-09 | Composite pre-dewatering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021965065.7U CN213273645U (en) | 2020-09-09 | 2020-09-09 | Composite pre-dewatering device |
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| CN213273645U true CN213273645U (en) | 2021-05-25 |
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| CN202021965065.7U Active CN213273645U (en) | 2020-09-09 | 2020-09-09 | Composite pre-dewatering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216302A (en) * | 2021-12-24 | 2022-03-22 | 双胞胎（集团）股份有限公司 | Drying system of fodder |
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2020
- 2020-09-09 CN CN202021965065.7U patent/CN213273645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216302A (en) * | 2021-12-24 | 2022-03-22 | 双胞胎（集团）股份有限公司 | Drying system of fodder |
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