CN101889726B - Multiple-discharge-channel extrusion expanding machine - Google Patents
Multiple-discharge-channel extrusion expanding machine Download PDFInfo
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- CN101889726B CN101889726B CN2010102097018A CN201010209701A CN101889726B CN 101889726 B CN101889726 B CN 101889726B CN 2010102097018 A CN2010102097018 A CN 2010102097018A CN 201010209701 A CN201010209701 A CN 201010209701A CN 101889726 B CN101889726 B CN 101889726B
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- discharge
- channel
- tapping channel
- cylindrical shell
- bulking machine
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- 238000001125 extrusion Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 87
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims description 65
- 238000010079 rubber tapping Methods 0.000 claims description 63
- 230000008676 import Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 235000013305 food Nutrition 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 235000015099 wheat brans Nutrition 0.000 description 1
Images
Landscapes
- Fodder In General (AREA)
- Formation And Processing Of Food Products (AREA)
Abstract
The invention relates to a multiple-discharge-channel extrusion bulking machine in food and feed processing industry. The multiple-discharge-channel extrusion bulking machine comprises an extrusion cylindrical shell and a discharge die plate, wherein one or a plurality of extruding screws are cooperatively arranged in the extrusion cylindrical shell; a plurality of discharge die holes are arranged on the discharge die plate; a fluid amplifier is arranged between the tail end of the extrusion cylindrical shell and the discharge die plate; the fluid amplifier is annularly and evenly distributed with at least three discharge channels; the discharge channels have the same size and shape on the same longitudinal cross section of the fluid amplifier; the flow area of one side, which faces the extrusion cylindrical shell, of each discharge channel is smaller than that of the other side which faces the discharge die plate, of each discharge channel; the discharge channels are distributed around the axial line of the extrusion cylindrical shell in a tapered mode; and the discharge die holes in the discharge die plate are arranged corresponding to the discharge channels. When the machine operates, the material is evenly distributed, and then is bulked after passing through the discharge channels. The machine can enhance the productive capacity, and simultaneously ensure that the product is even and has stable water content.
Description
Technical field
The present invention relates to the extrusion equipment in food and the field of feed processing, particularly relate to a kind of mechanical device of effective raising extrusion device fabrication line service efficiency.
Background technology
Extruding and puffing technology has been widely used in field of food and field of feed processing.Generally speaking, the extruder of extruded food or feed can be a single serew bulker, also can be twin-screw Bulking Machine, or even the multiscrew bulking machine.Such bulking machine comprises the extruding cylindrical shell of the tubulose of certain-length; The extruding barrel tip connects one makes the bound material discharging mould of the material that is extruded; Material discharging mould is provided with some discharging nibs, in the inside of extruding cylindrical shell one or many extruding screws is arranged.Extruder is when operation; There is steam to be injected into the extruding barrel under normal conditions; In the extruding cylindrical shell, the be squeezed effects such as shearing, friction, conveying, mixing of screw rod of the material of certain moisture content and uniform temperature; The progressively slaking of starch in the material is finally extruded through the discharging nib and is cut, and obtains the swelling granular after expanded.
Common extruder extruding barrel tip is the structure of a tapered contraction, and main purpose is the extruding force that strengthens material, improve the slaking effect of material, but such structure can have influence on the lifting of extruder production capacity; Simultaneously, because when the discharging of discharging nib, material moment is expanded; Water in the material is vaporized rapidly, causes the moisture content of material to reduce too much, and it is big that material fragility becomes; The elasticity variation, when storage, transportation, material is squeezed into powder easily; In addition, for specific material, for example aquatic feeds needs its moisture content of control to be unlikely to very few, has certain density to guarantee it, in the time of in throwing in entry, can keep floating state or sink to the bottom state.
For promoting production capacity, can make extruding barrel tip flow area become gradually greatly, simultaneously; Can on material discharging mould, offer and more have more the material nib; The discharging nib is dispersed on the material discharging mould, although such structure can promote production capacity, but has brought the uneven problem of swelling granular of extruding.Main cause is; The flow area of extruding cylindrical shell amplifies gradually; The opening area of the discharging nib on the corresponding material discharging mould is also just corresponding to be amplified; The discharging flow of the apertura lateralis of position of opening and inboard aperture is inconsistent on the material discharging mould, and the pressure of both correspondence positions is also inconsistent, and this has just directly caused the swelling granular of extruding simultaneously inhomogeneous.The inhomogeneous one side of particle is that its size is inhomogeneous, influences the article phase of material, is that its expanded level is inconsistent on the other hand; This can influence the density of material; And then change its buoyancy, for aquatic feeds, during like input; Part swims in the water surface, part sinks under water, and then is underproof basically.
How guarantee when improving the bulking machine production capacity that material has good homogeneous degree, stable moisture content, this is the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
The invention provides a kind of multiple-discharge-channel extrusion bulking machine, make its deficiency that can overcome prior art, when improving the bulking machine production capacity, can guarantee the discharging uniform particles, water content is stable.
For solving the problems of the technologies described above; A kind of multiple-discharge-channel extrusion bulking machine provided by the invention; Comprise extruding cylindrical shell and material discharging mould; Cooperate in the said extruding cylindrical shell to be provided with one or many extruding screws, material discharging mould is provided with some discharging nibs, is provided with fluid amplifier between said extruding barrel tip and the material discharging mould; Evenly distributed ringwise on the said fluid amplifier have at least three tapping channels, and said each tapping channel equal and opposite in direction, shape on the same longitudinal cross-section of fluid amplifier is identical; Said tapping channel towards the flow area of extruding cylindrical shell one side less than flow area towards material discharging mould one side; All tapping channels are distributed in around this axis the corresponding setting with tapping channel of the discharging nib on the said material discharging mould along the axis of recipient is tapered on the whole.
This device is during work, and material is extruded screw rod to the extruding of material discharging mould direction in the extruding cylindrical shell, in effects such as the shearing of extruding screw, friction, conveying, mixing; The progressively slaking of starch in the material, material diversion gets in each tapping channel of fluid amplifier then; In each tapping channel, the material appropriateness expands, and the moisture content in the material still is constrained in the fluid amplifier; Can not flash evapn, help keeping having abundant moisture content in the final products; In addition, the structural design of tapping channel has guaranteed that the distance of material arrival discharging nib equates that the pressure in each tapping channel is all consistent, thereby makes the discharging uniform particles, and water content is stable.Tapping channel is tapered to be distributed in around the axis that pushes cylindrical shell, makes material discharging mould have enough positions to offer more discharging nib, to guarantee the production capacity of bulking machine.Compared with prior art: the present invention can improve production capacity owing to adopted fluid amplifier, simultaneously, can guarantee that still product is even, and water content is stable.
For keeping the moisture content in the product particle to be unlikely to lost more, said tapping channel evenly amplifies from extruding cylindrical shell one side direction material discharging mould one side, and perhaps said tapping channel is near the tapered amplification of material discharging mould one end.Above-mentioned two technical schemes can guarantee that all material had just carried out once expanding before leaving the discharging nib; Pressure is able to part and discharges, and when expanded, the moisture content in the material is unlikely to undue and scatters and disappears final; Guaranteed that product particle has certain water content, the fragility of product is suitably controlled.The preferred discharge area for said tapping channel of this scheme is 1.1-3.2 with the ratio of inlet-duct area.
As further improvement of the present invention, said material discharging mould is provided with more than three with tapping channel is corresponding one by one.Said material discharging mould also can only be provided with one, can be provided with on the material discharging mould and the tapping channel discharging nib more than three groups one to one.
As further improvement of the present invention, be provided with baffle between said extruding cylindrical shell and the fluid amplifier, the baffle center is provided with can be with the lead deflection cone of tapping channel of material.The setting of deflection cone can make material get into more smoothly in each tapping channel.
As further improvement of the present invention, the rounded or long oval shape in the longitudinal cross-section of said each tapping channel.When the longitudinal cross-section of tapping channel was rounded, it was easy to process on the one hand, can make Flow of Goods and Materials more smooth and easy on the other hand, helps making the inside isostasy everywhere of material; When the longitudinal cross-section of tapping channel was long oval shape, the interval between the adjacent tapping channel was less, can more areas capable of using that utilize material discharging mould more, improve production capacity.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of three-dimensional structure diagram of fluid amplifier;
Fig. 3 is the structure chart of the partly cut-away of fluid amplifier among Fig. 2;
Fig. 4 is the three-dimensional structure diagram of another angle of fluid amplifier among Fig. 2;
Fig. 5 is the structure chart of the partly cut-away of fluid amplifier among Fig. 4;
Fig. 6 is the material discharging mould structural representation;
Fig. 7 is an another kind of structural representation of the present invention;
Fig. 8 is another three-dimensional structure diagram of fluid amplifier among Fig. 7;
Fig. 9 is the structural representation after the partly cut-away of fluid amplifier among Fig. 8.
Wherein, 1 motor, 2 gear-boxes, 3 charging apertures, 4 extruding cylindrical shells, 5 extruding screws, 6 fluid amplifiers, 7 material discharging moulds, 8 cutter sweeps, 9 tapping channels, 10 baffles, 11 discharging nibs.
The specific embodiment
Shown in Fig. 1-6, this bulking machine comprises: the motor 1 of mechanical energy input is provided, the gear-box 2 that links to each other with the output shaft of motor 1; The output of gear-box 2 and extruding screw 5 are in transmission connection; Extruding screw 5 is equipped with in extruding cylindrical shell 4, and one or more can be set, and an end is provided with charging aperture 2 on the extruding cylindrical shell 4; The other end is connected with baffle 10, fluid amplifier 6, material discharging mould 7 in turn, is provided with the cutter sweep 8 that the material after expanded is cut into particle in the outside of material discharging mould 7.
The fluid amplifier detailed structure is shown in Fig. 2-5; Evenly distributed ringwise on the fluid amplifier 6 have six tapping channels 9; Each tapping channel 9 equal and opposite in direction, shape on the same longitudinal cross-section of fluid amplifier 6 is identical, and the longitudinal cross-section of each tapping channel is long oval shape; Tapping channel 9 is near the tapered amplification of material discharging mould 7 one ends; All tapping channel is tapered is distributed in around the axis that pushes cylindrical shell 4 discharging nib 11 on the material discharging mould 7 and tapping channel 9 corresponding settings.The purpose of arranging like this can guarantee that material can get in each tapping channel 9 of fluid amplifier 6 evenly distributedly.The area of final tapping channel 9 outlets is bigger than the area of tapping channel 9 imports, and the outlet flow area of tapping channel 9 is preferably 1.1-3.2 with the ratio of import flow area, and value is 2.5 in the present embodiment.
During its work, material is from charging aperture 2 entering are pushed in the cylindrical shells 4, and 5 extruding are delivered to fluid amplifier 6 through extruding screw.Material is evenly shunted at the fluid amplifier place, forms the multiply small powder and flows in each tapping channel 9.Because all tapping channel 9 imports sizes are consistent, circular array, and evenly distribute, this has just guaranteed that the streams in each tapping channel is consistent.Because material is separated into little materials flow in each tapping channel 9, the mobile otherness of small powder stream inside is little, simultaneously; Material can appropriateness expand, and scatters and disappears to avoid moisture content, and finally each little materials flow is extruded expanded from the discharging nib 11 of correspondence; Device to be cut 8 is cut into particle then; In this device, can guarantee that each tapping channel 9 materials flow is consistent at each position flow velocity, finally reach the swelling granular size consistent and uniform that squeezes out through each discharging nib; Water content is also uniform and stable, can not cause undue dehydration.
Adopted six tapping channels 9 in the present embodiment, tapping channel 9 is constant from import to the sectional area near outlet, only becomes big 2.5 times to original area gradually at tapping channel 9 ends.
Like Fig. 7-9, be with the difference of embodiment 1: the tapping channel 9 on the fluid amplifier 6 evenly amplifies from extruding cylindrical shell 4 one side direction material discharging moulds 7 one sides; The longitudinal cross-section of each tapping channel 9 is rounded.Material discharging mould 7 is provided with more than three with tapping channel 9 is corresponding one by one, and promptly tapping channel 9 correspondences are provided with a material discharging mould 7.
The present invention is not limited to the foregoing description, and described baffle 10 can not have yet, and the deflection cone on the baffle 10 can be set directly on the fluid amplifier 6; The number of tapping channel 9 can be a plurality of arbitrarily more than three; But the ratio value of the outlet flow area of tapping channel 9 and import flow area is 1.1,2.0,3.2 etc., rather than only is confined to 2.5.
It below is contrast test according to prior art and two embodiment of the present invention.
Utilize the single serew bulker of a prior art to carry out pilot production, obtain relevant parameter.The main motor 160Kw of prior art bulking machine, screw diameter 165mm, the draw ratio of screw rod is 13:1.
The prescription of material is seen table one, and the material grinding fineness is 95% through 80 mesh sieves, and 99.5% crosses 60 mesh sieves, and 100% crosses 50 mesh sieves.Material at first carries out precuring in a common quality-adjusting device, the gelatinization degree of material is 45% behind the process quality-adjusting device, and material temperature is 95 ℃, and the moisture of material is 19%.
The prescription of table one material
| Dregs of beans | 27 |
| Wheat flour | 25 |
| Wheat bran | 18 |
| The young cake of dish | 27 |
| |
3 |
| Add up to | 100 |
Push in the extruder of material entering prior art, the discharging nib uses the 1.0mm diameter, and the bulking machine maximum production is 2.2 tons/hour, and the product that obtain this moment is attractive in appearance.
Utilize the equipment of technical application of the present invention:
Utilize technology of the present invention to improve, and carry out pilot production, obtain relevant parameter at this single serew bulker.Equally, this single serew bulker, main motor 160Kw, screw diameter 165mm, the draw ratio of screw rod is 13:1.
Technical parameter of the present invention is: the tapping channel of fluid amplifier is six, and tapping channel outlet flow area/import flow area is 2.5.
The discharging nib uses the 1.0mm diameter, and bulking machine maximum production embodiment one is 5.5 tons/hour, and embodiment two is 5.6 tons/hour, and the product that two embodiment obtain is attractive in appearance evenly.
Two groups of comparison production test relevant parameters are seen table two
Table two production control parameter and testing result parameter
It is thus clear that the present invention can obviously increase the bulking machine production capacity.
Claims (9)
1. multiple-discharge-channel extrusion bulking machine; Comprise extruding cylindrical shell and material discharging mould; Cooperate in the extruding cylindrical shell to be provided with one or many extruding screws, material discharging mould is provided with some discharging nibs, it is characterized in that: be provided with fluid amplifier between said extruding barrel tip and the material discharging mould; Evenly distributed ringwise on the said fluid amplifier have at least three tapping channels, and each tapping channel equal and opposite in direction, shape on the same longitudinal cross-section of fluid amplifier is identical; Said tapping channel towards the flow area of extruding cylindrical shell one side less than flow area towards material discharging mould one side; All tapping channels are distributed in around this axis the corresponding setting with tapping channel of the discharging nib on the said material discharging mould along the axis of recipient is tapered on the whole.
2. multiple-discharge-channel extrusion bulking machine according to claim 1 is characterized in that: said tapping channel evenly amplifies from extruding cylindrical shell one side direction material discharging mould one side.
3. multiple-discharge-channel extrusion bulking machine according to claim 1 is characterized in that: said tapping channel is near the tapered amplification of material discharging mould one end.
4. according to any described multiple-discharge-channel extrusion bulking machine of claim 1-3, it is characterized in that: the outlet flow area of said tapping channel is 1.1-3.2 with the ratio of import flow area.
5. according to any described multiple-discharge-channel extrusion bulking machine of claim 1-3, it is characterized in that: said material discharging mould is provided with more than three with tapping channel is corresponding one by one.
6. according to any described multiple-discharge-channel extrusion bulking machine of claim 1-3, it is characterized in that: said material discharging mould is provided with one, and material discharging mould is provided with and the tapping channel discharging nib more than three groups one to one.
7. according to any described multiple-discharge-channel extrusion bulking machine of claim 1-3, it is characterized in that: be provided with baffle between said extruding cylindrical shell and the fluid amplifier, the baffle center is provided with can be with the lead deflection cone of tapping channel of material.
8. according to any described multiple-discharge-channel extrusion bulking machine of claim 1-3, it is characterized in that: the longitudinal cross-section of said each tapping channel is rounded.
9. according to any described multiple-discharge-channel extrusion bulking machine of claim 1-3, it is characterized in that: the longitudinal cross-section of said each tapping channel is long oval shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102097018A CN101889726B (en) | 2010-06-25 | 2010-06-25 | Multiple-discharge-channel extrusion expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102097018A CN101889726B (en) | 2010-06-25 | 2010-06-25 | Multiple-discharge-channel extrusion expanding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101889726A CN101889726A (en) | 2010-11-24 |
| CN101889726B true CN101889726B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102097018A Expired - Fee Related CN101889726B (en) | 2010-06-25 | 2010-06-25 | Multiple-discharge-channel extrusion expanding machine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727384B (en) * | 2011-04-08 | 2013-12-25 | 四川金岁方药业有限公司 | Compression granulator |
| CN102626253A (en) * | 2012-04-11 | 2012-08-08 | 江苏牧羊集团有限公司 | Discharging template of bulking machine |
| CN104366684B (en) * | 2014-11-15 | 2017-01-18 | 江苏正昌粮机股份有限公司 | Thrust sinking material control system of bulking machine |
| CN107173842B (en) * | 2017-07-06 | 2023-07-07 | 广州市国研机械设备有限公司 | Extrusion die head for flour or bean products |
| CN107927886A (en) * | 2017-11-09 | 2018-04-20 | 王智骢 | A kind of dry method bulking machine |
| CN112385871B (en) * | 2020-11-13 | 2021-08-17 | 沈阳美佳营养科技有限公司 | Feed granulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491162A (en) * | 1974-01-08 | 1977-11-09 | Maschf Lalesse Bv | Preparation of expanded foodstuffs |
| CN2039906U (en) * | 1988-09-10 | 1989-06-28 | 长春市宽城区食品研究所 | Strip-food shaper |
| JP2004283036A (en) * | 2003-03-20 | 2004-10-14 | Kimiyoshi Mikuni | Device for producing small granular devil's tongue, and small granular devil's tongue |
| CN1602766A (en) * | 2003-08-29 | 2005-04-06 | 马尔斯公司 | Flow distribution device for an extruder |
| CN201709374U (en) * | 2010-06-25 | 2011-01-19 | 江苏牧羊集团有限公司 | Multi-discharging-channel extruding swelling machine |
-
2010
- 2010-06-25 CN CN2010102097018A patent/CN101889726B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491162A (en) * | 1974-01-08 | 1977-11-09 | Maschf Lalesse Bv | Preparation of expanded foodstuffs |
| CN2039906U (en) * | 1988-09-10 | 1989-06-28 | 长春市宽城区食品研究所 | Strip-food shaper |
| JP2004283036A (en) * | 2003-03-20 | 2004-10-14 | Kimiyoshi Mikuni | Device for producing small granular devil's tongue, and small granular devil's tongue |
| CN1602766A (en) * | 2003-08-29 | 2005-04-06 | 马尔斯公司 | Flow distribution device for an extruder |
| CN201709374U (en) * | 2010-06-25 | 2011-01-19 | 江苏牧羊集团有限公司 | Multi-discharging-channel extruding swelling machine |
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| CN101889726A (en) | 2010-11-24 |
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