CN103968645B - A kind of forced fluidized bed formula drying machine - Google Patents
A kind of forced fluidized bed formula drying machine Download PDFInfo
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- CN103968645B CN103968645B CN201410192161.5A CN201410192161A CN103968645B CN 103968645 B CN103968645 B CN 103968645B CN 201410192161 A CN201410192161 A CN 201410192161A CN 103968645 B CN103968645 B CN 103968645B
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Abstract
The present invention relates to a kind of forced fluidized bed formula drying machine.It comprises hothouse, and the below of hothouse is connected with inlet plenum, and inlet plenum has hot wind inlet, and the junction of hothouse and inlet plenum is densely covered with drying hole.Have shaft in hothouse, coordinate in rotatable shape between shaft two ends with hothouse two ends, shaft one end extends and is connected with drive sprocket.That section of shaft in hothouse has and advances leaf in the band shape of arranging continuously.The banded outward flange of leaf that advances is evenly equipped with knockout plate along the circumference of shaft.The upper end open of hothouse and be connected with upper box, on upper box corresponding inlet plenum that one end sidewall on have charging aperture, there is discharging opening that one end away from inlet plenum bottom hothouse, and gas outlet is arranged at the top of upper box.When this forced fluidized bed formula drying machine carries out drying process to biological fermentation feed, dry efficiency is higher, uniform drying, can not destroy trophic factors and the biologically active of biological fermentation feed time dry.
Description
Technical field
The present invention relates to a kind of drying machine, be carry out dry forced fluidized bed formula drying machine for the heat sensitive material high to humidity specifically, be specially adapted to carry out drying to biological fermentation feed.
Background technology
All know in the industry of producing feed, the feed produced by biofermentation method all needs to carry out drying process to deposit the long period usually.
At present, band drier, fluid bed or pneumatic drier is usually adopted to carry out drying process to biological fermentation feed in industry.Band drier generally includes feeding device, conveyer belt and heater, during work, utilizes feeding device to be joined uniformly on conveyer belt by material to be dried, and in the process of tape transport, heater is dry to heating material.When adopting band drier to carry out drying process to biological fermentation feed, because feed is all be in relative static conditions in advance process, so the efficiency of drying is lower, and uneven drying can be caused because of the difference of granular size between feed.Fluid bed generally includes air flow bed or mechanical oscillation bed, and during work, material vibrating type in air flow bed or mechanical oscillation bed advances, and recycling hot-air carries out drying process to material.When adopting fluid bed to carry out drying process to biological fermentation feed, because biological fermentation feed has viscosity, feed is shaken when advancing and is contacted with each other the phenomenon that just there will be conglomeration on fluid bed, and the particle of conglomeration feed inside is not easily dry, thus causes uneven drying.Pneumatic drier comprises drying, air blast and heating clamber, during work, material to be heated is joined in drying, utilize air blast that gas is blown into heating heating indoor, be blown into after gas-heated to uniform temperature in drying, because material particles weight after drying reduces, dried material particles will be blown out by air-flow thus reach the dry effect be separated.When adopting pneumatic drier to carry out drying process to biological fermentation feed, because the granular size that feed can not be kept to enter in drying is consistent, thus the time that feed granules is stopped in the drying of high temperature differ, the self-temperature of the feed granules that the time of staying is long may exceed its trophic factors keeping being formed in biological fermentation process and bioactive temperature, thus destroys its trophic factors and biologically active.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of forced fluidized bed formula drying machine, when adopting this forced fluidized bed formula drying machine to carry out drying process to biological fermentation feed, dry efficiency is higher, uniform drying, can not destroy trophic factors and the biologically active of biological fermentation feed time dry.
For solving the problem, provide following technical scheme:
The feature of forced fluidized bed formula drying machine of the present invention is to comprise hothouse, and the bottom of hothouse is in semi-cylindrical casing that is horizontally disposed and that protrude downwards.The below of described hothouse is connected with inlet plenum, and inlet plenum has hot wind inlet, and the junction of hothouse and inlet plenum is densely covered with drying hole.Have shaft in described hothouse, the axis of shaft and the dead in line of hothouse semi-cylindrical casing, coordinate in rotatable shape between shaft two ends with hothouse two ends, shaft one end extends and is connected with drive sprocket.That section of shaft in hothouse has to the other end from its one end and advances leaf in the band shape of arranging continuously, the banded leaf joint that advances is arranged in the shape of a spiral around shaft, and both deads in line, the banded leaf that advances is connected by connecting rod with between shaft.Described band shape advances the outward flange of leaf to be evenly equipped with knockout plate along the circumference of shaft, knockout plate all elongated and its longitudinally all with the axis being parallel of shaft, when knockout plate turns to hothouse bottom with shaft, all touch in virtual connection between the lower inner wall of knockout plate and hothouse.The upper end open of described hothouse and be connected with upper box, on upper box corresponding inlet plenum that one end sidewall on have charging aperture, there is discharging opening that one end away from inlet plenum bottom described hothouse, and gas outlet is arranged at the top of described upper box.
That the cell wall of the part hothouse semi-cylindrical casing be connected with described inlet plenum is made up of along the shaft-like section bar that circular arc is arranged side by side successively many and hothouse semi-cylindrical casing axis being parallel to further improvement of the present invention scheme, the cross section of shaft-like section bar is isosceles triangle, and the drift angle of isosceles triangle is all along the radially outward layout of hothouse semi-cylindrical casing cross section, gap is had, the drying hole described in these gaps are just formed between adjacent two shaft-like section bars.The bottom of described shaft-like section bar is along its longitudinal half circular boop be evenly equipped with for supporting these shaft-like section bars.The advantage of such improvement forms the drying hole that cross section is similar to down " V " type between adjacent two shaft-like section bars, when hot blast in inlet plenum enters hothouse from drying hole, because the cross section of drying hole reduces gradually, the flow velocity of hot blast just increases gradually, just can the material particles entered in hothouse be blown afloat in half suspension, also part can be stuck in the material blowout in drying hole simultaneously, thus prevent material from blocking drying hole.In addition, can according to the kind needing dried material, the gap between the connected two shaft-like section bars of adjustment, thus make this drying machine can be used for the drying operation of the material of variable grain size, the scope of application is wider.
Be axial arranged along hothouse semi-cylindrical casing of the hot wind inlet of described inlet plenum to further improvement of the present invention scheme, and hot wind inlet is evenly equipped with deflector.The advantage of such improvement is the gap between the hot wind inlet baffle upper plate by regulating inlet plenum, control the air quantity entering hot blast along the hothouse of each section of hothouse axis direction, can guarantee that the temperature of dried material remains on lower scope (being generally no more than 45-50 DEG C) further, thus ensure that the heat-sensitive ingredients of dried material can not be destroyed.
That section of shaft in hothouse has be no less than that two length of tape shapes are counter pushes away leaf to further improvement of the present invention scheme, the anti-leaf that pushes away of band shape is all connected with shaft by connecting rod, the banded anti-leaf that pushes away is in advancing the helical form that leaf direction is contrary to arrange with band shape, and the anti-pitch pushing away leaf of band shape is less than the banded pitch advancing leaf, adjacent two band shapes are counter to push away between leaf all between be separated with a segment distance.The advantage of such improvement pushes away leaf because band shape is counter in advancing the helical form that leaf direction is contrary to arrange with band shape, so material is after the direction being advanced leaf to discharging opening by band shape advances a segment distance, a segment distance can be advanced round about again by the anti-leaf that pushes away of band shape, thus avoid material and carry out single inertia screw, material can be contacted with knockout plate, more be conducive to knockout plate breaing up conglomeration material, make the more even of drying, and material advances leaf and the anti-leaf that pushes away of band shape to stir by band shape in the process of drying simultaneously, more be conducive to material and keep half suspension, thus can further improve dry efficiency.In addition, the pitch pushing away leaf because band shape is counter is less than the banded pitch advancing leaf, adjacent two band shapes are counter to push away between leaf all between be separated with a segment distance, such shaft banded advances leaf and band shape is counter pushes away in the process that leaf rotates driving, the banded leaf that advances just is greater than the anti-amount pushing away leaf and material is advanced to the rightabout of discharging opening of band shape, so material finally still can be discharged from discharging opening the amount that material advances to the direction of discharging opening.
Wherein, the bottom of described hothouse is connected with supporting leg.
Adopt above scheme, have the following advantages:
Because forced fluidized bed formula drying machine of the present invention comprises hothouse, the bottom of hothouse is in semi-cylindrical casing that is horizontally disposed and that protrude downwards; The below of described hothouse is connected with inlet plenum, and inlet plenum has hot wind inlet, and the junction of hothouse and inlet plenum is densely covered with drying hole; Have shaft in described hothouse, the axis of shaft and the dead in line of hothouse lower semicircular cylindricality casing, coordinate in rotatable shape between shaft two ends with hothouse two ends, shaft one end extends and is connected with drive sprocket; That section of shaft in hothouse has to the other end from its one end and advances leaf in the band shape of arranging continuously, the banded leaf joint that advances is arranged in the shape of a spiral around shaft, and both deads in line, the banded leaf that advances is connected by connecting rod with between shaft; Described band shape advances the outward flange of leaf to be evenly equipped with knockout plate along the circumference of shaft, knockout plate all elongated and its longitudinally all with the axis being parallel of shaft, when knockout plate turns to hothouse bottom with shaft, all touch in virtual connection between the lower inner wall of knockout plate and hothouse; The upper end open of described hothouse and be connected with upper box, on upper box corresponding inlet plenum that one end sidewall on have charging aperture, there is discharging opening that one end away from inlet plenum bottom described hothouse, and gas outlet is arranged at the top of described upper box.When carrying out drying process to biological fermentation feed, pending feed is joined hothouse from charging aperture, the external drive unit of drive sprocket drives shaft to rotate, shaft just drives banded leaf and the knockout plate of advancing to rotate around its axis, be blown into hot blast toward hot wind inlet simultaneously, band shape advance leaf to feed advance and stir process in, hot blast enters into hothouse by drying hole and carries out heat drying to feed.When there being feed conglomeration, the bottom interior wall of the bottom and hothouse that can be positioned at whole feed due to the feed of the effect conglomeration of gravity in the process advanced contacts, will impact the feed of these conglomerations when at this time knockout plate rotates, " conglomeration " of the feed of these conglomerations is broken up.Because shaft drives the banded rotation advancing leaf, can carry out feed and stir, the conglomeration feed being positioned at bottom can be broken up by knockout plate simultaneously, therefore feed is in the graininess of half suspension all the time in the process be pushed into, the hot blast entering hothouse so just fully can contact with the particle of feed, make drying comparatively even, dry efficiency is higher.In addition, the feed in hothouse is advanced leaf to promote to advance by band shape, and the time that therefore feed granules stops in hothouse can be consistent substantially, can avoid the phenomenon of feed a part overstand in hothouse like this; And, because this drying machine is comparatively even to the drying of feed granules, dry efficiency is higher, therefore only the temperature of feed in dry run itself need be controlled just can reach drying effect in lower scope (being generally 45 ~ 50 DEG C), thus can high temperature drying be avoided, do not destroy to keep the heat-sensitive ingredients of dried material; Simultaneously, the banded fltting speed advancing leaf can be controlled by the rotating speed adjusting shaft, and then the time that control feed stops in hothouse, thus adapt to the control of dry materials process of different nature, can guarantee that dried biological fermentation feed still keeps its trophic factors and biologically active.
Accompanying drawing explanation
Fig. 1 is the structural representation (signal analysed and observe by hothouse) of forced fluidized bed formula drying machine of the present invention;
Fig. 2 is the left view (broken section signal after hothouse removal intraware) of Fig. 1;
Fig. 3 is the A portion enlarged diagram of Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, forced fluidized bed formula drying machine of the present invention is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, forced fluidized bed formula drying machine of the present invention comprises hothouse 1, the top of hothouse 1 is rectangular box, the bottom of hothouse 1 is in semi-cylindrical casing that is horizontally disposed and that protrude downwards, the lower end of rectangular box is with the upper end of semi-cylindrical casing is all opening-like and size is identical, and rectangular box and semi-cylindrical casing connect and compose described hothouse 1 up and down.The below of described hothouse 1 is connected with inlet plenum 7 near its one end place, and hothouse 1 is densely covered with drying hole 17 with the junction of inlet plenum 7.The cell wall of the part hothouse 1 semi-cylindrical casing be connected with described inlet plenum 7 forms along the shaft-like section bar 16 that circular arc is arranged side by side successively with hothouse 1 semi-cylindrical casing axis being parallel by many, the cross section of shaft-like section bar 16 is isosceles triangle, and the drift angle of isosceles triangle is all along the radially outward layout of hothouse 1 semi-cylindrical casing cross section, have gap between adjacent two shaft-like section bars 16, these gaps just form described drying hole 17.The bottom of described shaft-like section bar 16 is along its longitudinal half circular boop 15 be evenly equipped with for supporting these shaft-like section bars 16.Described inlet plenum 7 is processed with hot wind inlet 8, axial arranged in along hothouse 1 semi-cylindrical casing on inlet plenum 7 of this hot wind inlet 8, and hot wind inlet 8 is evenly equipped with deflector 9.Be provided with shaft 3 in described hothouse 1, the axis of shaft 3 and the dead in line of hothouse 1 semi-cylindrical casing, coordinate in rotatable shape between shaft 3 two ends with hothouse 1 two ends, shaft 3 one end extends and is connected with drive sprocket 2.That section of shaft 3 in hothouse 1 is provided with to the other end from its one end and advances leaf 5 in the band shape of arranging continuously, the banded leaf 5 that advances is arranged in the shape of a spiral around shaft 3, and both deads in line, the banded leaf 5 that advances is connected with shaft 3 by connecting rod 11 with between shaft 3.Described band shape advances the outward flange of leaf 5 to be evenly equipped with knockout plate 18 along the circumference of shaft 3, knockout plate 18 all elongated and its longitudinally all with the axis being parallel of shaft 3, when knockout plate 18 turns to hothouse 1 bottom with shaft 3, all touch in virtual connection between the lower inner wall of knockout plate 18 and hothouse 1.That section of shaft 3 in hothouse 1 is also provided with and is no less than that two length of tape shapes are counter pushes away leaf 4, the anti-leaf 4 that pushes away of band shape is all connected with shaft 3 by connecting rod 11, the banded anti-leaf 4 that pushes away is in advancing the contrary helical form in leaf 5 direction to arrange with band shape, and the anti-pitch pushing away leaf 4 of band shape is less than the banded pitch advancing leaf 5, adjacent two band shapes are counter to push away between leaf 4 all between be separated with a segment distance.The upper end open of described hothouse 1 and be connected with upper box 12, on upper box 12 corresponding inlet plenum 7 that one end sidewall on be processed with charging aperture 14, that one end away from inlet plenum 7 bottom described hothouse 1 is processed with discharging opening 10, and the top of described upper box 12 is processed with gas outlet 13.In the present embodiment, the bottom of hothouse 1 is connected with supporting leg 6.
During work, first material to be dried is joined hothouse 1 from charging aperture 14, then on drive sprocket 2, external drive unit drives shaft 3 to rotate, hot wind inlet 8 place simultaneously toward inlet plenum 7 blows into hot blast, in the process that material is stirred and advances, hot blast carries out heat drying to material, and the material after final drying is discharged from discharging opening 10.
Claims (5)
1. a forced fluidized bed formula drying machine, is characterized in that comprising hothouse (1), and the bottom of hothouse (1) is in semi-cylindrical casing that is horizontally disposed and that protrude downwards; Described hothouse (1) below is connected with inlet plenum (7), and inlet plenum (7) has hot wind inlet (8), and hothouse (1) is densely covered with drying hole (17) with the junction of inlet plenum (7); Shaft (3) is had in described hothouse (1), the axis of shaft (3) and the dead in line of hothouse (1) semi-cylindrical casing, coordinate in rotatable shape between shaft (3) two ends with hothouse (1) two ends, shaft (3) one end extends and is connected with drive sprocket (2); That section of shaft (3) in hothouse (1) has to the other end from its one end and advances leaf (5) in the band shape of arranging continuously, the banded leaf (5) that advances is arranged in the shape of a spiral around shaft (3), and both deads in line, the banded leaf (5) that advances is connected by connecting rod (11) with between shaft (3); Described band shape advances the outward flange of leaf (5) to be evenly equipped with knockout plate (18) along the circumference of shaft (3), knockout plate (18) all elongated and its longitudinally all with the axis being parallel of shaft (3), when knockout plate (18) turns to hothouse (1) bottom with shaft (3), all touch in virtual connection between the lower inner wall of knockout plate (18) and hothouse (1); The upper end open of described hothouse (1) and be connected with upper box (12), that one end sidewall of the upper corresponding inlet plenum (7) of upper box (12) there is charging aperture (14), there is discharging opening (10) described hothouse (1) bottom away from that one end of inlet plenum (7), and gas outlet (13) is arranged at the top of described upper box (12).
2. forced fluidized bed formula drying machine as claimed in claim 1, it is characterized in that the cell wall of part hothouse (1) the semi-cylindrical casing be connected with described inlet plenum (7) to form along the shaft-like section bar (16) that circular arc is arranged side by side successively with hothouse (1) semi-cylindrical casing axis being parallel by many, the cross section of shaft-like section bar (16) is isosceles triangle, and the drift angle of isosceles triangle is all along the radially outward layout of hothouse (1) semi-cylindrical casing cross section, gap is had between adjacent two shaft-like section bars (16), drying hole (17) described in these gaps are just formed, the outside of described shaft-like section bar (16) is along its longitudinal half circular boop (15) be evenly equipped with for supporting these shaft-like section bars (16).
3. forced fluidized bed formula drying machine as claimed in claim 1, is characterized in that axial arranged along hothouse (1) semi-cylindrical casing of the hot wind inlet (8) of described inlet plenum (7), and hot wind inlet (8) is evenly equipped with deflector (9).
4. forced fluidized bed formula drying machine as claimed in claim 1, it is characterized in that section of shaft (3) in hothouse (1) has and be no less than that two length of tape shapes are counter pushes away leaf (4), the anti-leaf (4) that pushes away of band shape is all connected with shaft (3) by connecting rod (11), the anti-leaf (4) that pushes away of band shape is in advancing the contrary helical form in leaf (5) direction to arrange with band shape, and the anti-pitch pushing away leaf (4) of band shape is less than the banded pitch advancing leaf (5), adjacent two band shapes are counter to push away between leaf (4) all between be separated with a segment distance.
5. the forced fluidized bed formula drying machine according to any one of claim 1 ~ 4, is characterized in that the bottom of described hothouse (1) is connected with supporting leg (6).
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CN103968645B true CN103968645B (en) | 2015-10-07 |
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CN113251763B (en) * | 2021-04-22 | 2022-08-26 | 湖南华佑生物科技有限公司 | A device that stirs thoroughly for fodder stoving in-process |
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SU715904A1 (en) * | 1978-02-15 | 1980-02-15 | Молдавский Ордена Трудового Красного Знамени Научно-Исследовательский Институт Орошаемого Земледелия И Овощеводства | Fluidised-bed dryer |
CN2157826Y (en) * | 1993-07-24 | 1994-03-02 | 天津大学 | Drying dispersing integral apparatus |
KR100212440B1 (en) * | 1997-01-20 | 1999-08-02 | 최수현 | Particulate material drying method and apparatus with fluidized bed |
CN2526764Y (en) * | 2002-01-17 | 2002-12-18 | 山东省科学院能源研究所 | Pulzating fluidized bed dryer with stirring conveying |
CN203824230U (en) * | 2014-05-08 | 2014-09-10 | 孙甫兴 | Fluidized-bed-type stirring drying machine |
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