CN1823635A - Extrusion type puffing device - Google Patents
Extrusion type puffing device Download PDFInfo
- Publication number
- CN1823635A CN1823635A CNA2006100392183A CN200610039218A CN1823635A CN 1823635 A CN1823635 A CN 1823635A CN A2006100392183 A CNA2006100392183 A CN A2006100392183A CN 200610039218 A CN200610039218 A CN 200610039218A CN 1823635 A CN1823635 A CN 1823635A
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- China
- Prior art keywords
- extruding
- extruded
- hole
- heat exchanger
- jet nozzle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/30—Puffing or expanding
- A23P30/32—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment
- A23P30/34—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment by extrusion-expansion
Abstract
An extrusion-type puffing machine for food or forage is composed of extruding cavity, extruding screw bolt, flow-stabilizing extruding-out unit with extruding hole, extruding nozzle, cutting blade close to the outer side of said nozzle and driven by motor, the heat exchanger and converge part between said flow-stabilizing extruding-out unit and extruding nozzle, and casing with inlet and outlet of cold medium.
Description
Technical field
The present invention relates to a kind of food, feed manufacturing machine, particularly a kind of mechanical device that water-containing materials such as raw-food material, feedstuff is carried out expanding processing.
Background technology
In the expanding processing of food, feed, requiring product is high slaking product, the food of edible high slaking or the final absorptivity that feed helps improving nutritional labeling, improve its edible mouthfeel, especially for aquatic livestock, its alimentary canal is shorter, and whether slaking is very big to the growth effect of aquatic livestock for product.Also need to consider the particular characteristic of product in the expanding processing, the viscosity of product for example, guaranteeing has a good stability in water when product is fed aquatic livestock, not defeated and dispersed in water, the nutritional labeling of product is not lost before edible, the sinking characteristic of product for example will guarantee all to sink in water when product is fed aquatic livestock again, particularly controls the speed that product slowly sinks in water.The amount of cure of product is also inseparable with the product particular characteristic, increases the also corresponding viscosity that improves product of amount of cure of product, has guaranteed the stability of product in water.
In the prior art, a kind of extruding puffing machine is arranged, comprise extrusion chamber, the extruding screw that matches with extrusion chamber is housed in the extrusion chamber, the outlet side of extruding screw is provided with the current stabilization that links to each other with extrusion chamber and extrudes part, current stabilization is extruded part and is provided with extruded hole with the coaxial setting of extruding screw, and current stabilization is extruded on the part and is provided with extruding jet nozzle away from screw rod one side, and a cutting knife by driven by motor is flattened on the extruding jet nozzle outside.During this device work, will contain to send into from the outlet side of extruding screw after certain proportion and the material through pulverizing and a certain amount of water and steam fully stir and send in the extrusion chamber, under the pushing of extruding screw, temperature raises, make the material slaking, simultaneously, the Builking cavity internal pressure increases, the material of HTHP is behind the process extruded hole, extrude through extruding jet nozzle, pressure reduces rapidly again, and contained humidity is vaporized rapidly and made mass expanded in the material, under the cutting of cutting knife, form the product of suitable particle diameter.Its weak point is: the degrees of expansion of product depends on numerous factors, as the unit weight characteristic of the prescription of material, raw material, the structure form of technological parameter, extruding screw, extruding jet nozzle when the extruding and inter deterioration state etc.; Particularly the variation of the prescription of material and inter deterioration state change institute's converted products and are difficult to calculate, are difficult to so aborning guarantee that product has rational degrees of expansion, and therefore, the particular characteristic of product (as the sinking characteristic) is difficult to control; In addition, there are the relation of contradiction in the amount of cure of product and degrees of expansion, making the product amount of cure improve the most feasible way is to improve the pressure and temperature of material before extruding jet nozzle, but the temperature rising can cause through the material excessive expansion behind the extruding jet nozzle, can only adopt the method that reduces output to guarantee preceding pressure that is reached of extruding jet nozzle and material temperature control within limits at present, control the degrees of expansion of material with this, the decline significantly of output when causing extrusion equipment to produce dilated product like this, the amount of cure of material can not well be guaranteed simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of extrusion type puffing device, the amount of cure of dilated product is improved, degrees of expansion is controlled.
The object of the present invention is achieved like this, a kind of extrusion type puffing device, comprise extrusion chamber, the extruding screw that matches with extrusion chamber is housed in the extrusion chamber, the outlet side of extruding screw is provided with the current stabilization that links to each other with extrusion chamber and extrudes part, current stabilization is extruded part and is provided with extruded hole with the coaxial setting of extruding screw, described current stabilization is extruded part one side and is provided with extruding jet nozzle, one cutting knife by driven by motor is flattened on the extruding jet nozzle outside, described current stabilization is extruded and is provided with the heat exchanger that axially links to each other and the part that confluxes between part and the extruding jet nozzle, the part that confluxes is provided with the hole of confluxing that is connected with extruding jet nozzle, heat exchanger comprises some heat exchanger tubes that pass housing that parallel, be tightly connected between heat exchanger tube and the housing, housing is provided with refrigerant import and refrigerant exit, and each heat exchanger tube two ends is connected extruded hole respectively and the hole of confluxing.
When the present invention works, material is extruded in extrusion chamber, temperature raises, pressure increases, generally between 100 ℃-200 ℃, pressure is between 2-100bar for temperature of charge at this moment, and humidity is between 8-40%, material amount of cure height, material can become a kind of gel elastic fluid, under pressure at the process extruded hole, and constantly clamp-ons in the heat exchanger tube, after refrigerant then enters from the refrigerant import, produce heat exchange through heat exchanger tube and material, leave from refrigerant exit then, material then continues to be extruded in the chamber of confluxing, be extruded from extruding jet nozzle then, after leaving extruding jet nozzle, the water in the material is vaporized rapidly, has formed fine and close one by one little cave in the elastic fluid of gel, therefore material then produces and expands, because the heat energy of material is taken away in the instant water vaporization, makes the reduction of temperature of charge, thereby has caused the sclerosis of material, subsequently, under the cutting knife effect, material is cut into needed length, thereby obtains the product that solid physical state is arranged of a grain.In the above-mentioned course of work, can control material temperature in the heat exchanger tube by the temperature of artificial control refrigerant, after leaving extruding jet nozzle, have suitable dilation with the control product, realize the controlled of product particular characteristic.As seen, the present invention can make product when having high amount of cure, can also control the dilation of product, product is expanded evenly, particular characteristic is stable, can increase substantially output, and the present invention can be used for industries such as food, feed processing, carry out expanding processing, can be made into single screw rod, twin-screw, dried extrusion equipment and boiling extruder.
Be the convenient flow of regulating, described current stabilization is extruded part and is provided with the cavity that vertically runs through extruded hole, is arranged with upper piston and lower piston in the cavity, and upper piston and lower piston are separately positioned on the stroke regulating lever.By the adjustment stroke adjusting rod, driven plunger moves up and down, and can change the flow area of extruded hole, realizes the control of flow, and can change temperature and pressure in the extrusion chamber by Flow-rate adjustment, further guarantees the amount of cure of material.Be the regulated quantity of indicator piston, be provided with indicator scale in the stroke regulating lever side.Corresponding corresponding scale indication can be known the regulated quantity of piston and the size of extruded hole.
For making mass flow stable, the described extruded hole and the hole shape that confluxes are the circle of shrinking gradually to the centre from two ends.Throttling, pressure stabilization function are played in the extruded hole of shape and the hole of confluxing like this, can make mass flow more stable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein, 1 extruding screw, 2 extrusion chambers, 3 extrusion chambers, 4 current stabilizations are extruded part, 5 upper pistons, 6 lower pistons, 7 stroke regulating levers, 8 extruded holes, 9 indicator scales, 10 housings, 11 temperature sensors, 12 refrigerant exits, 13 heat exchanger tubes, 14 refrigerant imports, 15 control valve for refrigerant flow, 16 control computers, 17 parts that conflux, 18 holes of confluxing, 19 extruding jet nozzles, 20 cutting knifes, 21 motors.
The specific embodiment
As Fig. 1, be a kind of extrusion type puffing device, comprise extrusion chamber 3, be provided with the extruding screw 1 that matches with extrusion chamber 2 in the extrusion chamber 3, the outlet side of extruding screw 1 is provided with the current stabilization that links to each other with extrusion chamber 3 and extrudes part 4, current stabilization is extruded part 4 and is provided with extruded hole 8 with extruding screw 1 coaxial setting, described current stabilization is extruded part 4 and is provided with the cavity that vertically runs through extruded hole 8, be arranged with upper piston 5 and lower piston 6 in the cavity, upper piston 5 and lower piston 6 are separately positioned on the stroke regulating lever 7, stroke regulating lever 7 sides are provided with indicator scale 9 and are used to indicate regulated quantity, control the size of extruded hole 8 openings by the displacement of upper piston 5 and lower piston 6, can realize in process of production regulating and making upper piston 5 and lower piston 6 be fixed on certain position, thereby realize the control of the pressure of the material before the arrival extruded hole 8, can realize control the material amount of cure; Current stabilization is extruded part 4 one sides and is provided with extruding jet nozzle 19, one cutting knife 20 that is driven by motor 21 is flattened on extruding jet nozzle 19 outsides, described current stabilization is extruded and is provided with the heat exchanger that axially links to each other and the part 17 that confluxes between part 4 and the extruding jet nozzle 19, the part 17 that confluxes is provided with the hole 18 of confluxing that is connected with extruding jet nozzle 19, heat exchanger comprises some heat exchanger tubes 13 that pass housing 10 that parallel, be tightly connected between heat exchanger tube 13 and the housing 10, housing 10 is provided with refrigerant import 14 and refrigerant exit 12, each heat exchanger tube 13 two ends is connected the extruded hole 8 and the hole 18 of confluxing respectively, the circle that the cross section in the extruded hole 8 and the hole 18 of confluxing is, shrink to the centre gradually from two ends in extruded hole 8 and the hole 18 of confluxing.For realizing the timely adjustment of temperature, aspect control, can set up temperature sensor 11, control valve for refrigerant flow 15 and control computer 16, this three forms a closed-loop control, can realize the automatic control to temperature of charge in the heat exchanger.
During work, to contain to send into from extruding screw 1 one ends after certain proportion and the material through pulverizing and a certain amount of water and steam fully stir and send in the extrusion chamber 2, material is extruded in extrusion chamber 2, temperature raises, pressure increases, this moment, temperature of charge was generally between 100 ℃-200 ℃, pressure is between 2-100bar, humidity is between 8-40%, material can become a kind of gel elastic fluid, material passes extruded hole 8 and arrives in the heat exchanger tube 13 of heat exchanger, produce heat exchange with refrigerant, self temperature reduces, and the flow and the temperature of control refrigerant can realize the constant of temperature of charge, refrigerant can adopt water, gas or other heat transfer mediums, material process cooling back scope is generally at 0 ℃-180 ℃; Material then continues to be extruded to and confluxes in the chamber 18, at this moment, material has certain pressure drop, the pressure drop scope is generally between 1bar-6bar, material is extruded from extruding jet nozzle 19 then, after leaving extruding jet nozzle 19, the water in the material is vaporized rapidly, has formed fine and close one by one little cave in the elastic fluid of gel, therefore material then produces and expands, because the heat energy of material is taken away in the instant water vaporization, makes the reduction of temperature of charge, thereby has caused the sclerosis of material, subsequently, under cutting knife 20 effects, material is cut into needed length, thereby obtains the product that solid physical state is arranged of a grain.
Can regulate the flow area of extruded hole 8 by piston, in adjustment process to upper piston 5 and lower piston 6, the displacement unanimity that should keep both, satisfied the basic demand that guarantees the control of material amount of cure on the one hand, guaranteed extruded hole 8 on the other hand no matter regulate big or little, the center, hole is all the time on the axis of extruding screw 1, guaranteed that like this material flows forward around this axis all the time, this is even more important to the uniformity consistency that guarantees material properties, if this material has departed from this center line the material flow gap of deviation post both sides is widened, make material inconsistent in the time of staying of this position, thereby influence the uniformity consistency of material, the openings of sizes of extruded hole 8 is generally in the aperture of 5%-100%.
Carry out the expanded production of aquatic feeds with above-mentioned extrusion type puffing device, attempt an example explanation: the prescription of material is (weight content): dregs of beans 27%, wheat flour 25%, wheat bran 18%, the young cake 27% of dish, grease 3%, the material grinding fineness is 95% by 80 mesh sieves, 99.5% crosses 60 mesh sieves, and 100% crosses 50 mesh sieves.Single screw rod that to use an extruding screw diameter be 165mm pushes, the aperture of extruding jet nozzle is 1.6mm, under other situation constant as other technological parameters such as output, by change to temperature in the heat exchanger, the diameter of the expanded granular that detects the process extruding jet nozzle and cut, detect the weight of the particle unit volume when particle oven dry moisture to 10%, detect particle after the oven dry at last in the pure water that contains 5% salt and containing floating situation in the pure water of 10% salt.
Detection case sees the following form:
| Temperature before the extruded hole (℃) | 140 | 140 | 140 | 140 | 140 | 140 | |
| Pressure (bar) before the extruded hole | 37 | 37 | 37 | 37 | 37 | 37 | |
| The aperture of extruded hole (%) | 50 | 50 | 50 | 50 | 50 | 50 | |
| Temperature in the heat exchanger tube (℃) | 140 | 120 | 110 | 100 | 90 | 70 | |
| Pressure behind the heat exchanger tube (bar) | 36.1 | 35.1 | 34.6 | 34.3 | 34.0 | 33.2 | |
| Diameter (mm) after particle expands | 2.6 | 2.4 | 2.3 | 2.2 | 2.1 | 1.8 | |
| Oven dry moisture to 10% particle weight (g/L) | 420 | 491 | 528 | 562 | 611 | 675 | |
| Floating ratio (%) | The pure water that contains 5% salt | 100 | 10 | 0 | 0 | 0 | 0 |
| The pure water that contains 10% salt | 100 | 61 | 5 | 0 | 0 | 0 | |
As can be seen from the above table, can realize the change of mass expanded performance by temperature in the control heat exchanger tube, also can change simultaneously the settling property of material, make material may float on the water surface and still sink under water, expansile change has also changed the weight of material in the unit volume, its density greater than the density of water more after a little while, the decrease speed of material is slower, and when big, the decrease speed of material is very fast greater than the density of water for its density.In addition, material under 140 ℃ temperature, fully slaking.
Claims (4)
1, a kind of extrusion type puffing device, comprise extrusion chamber, the extruding screw that matches with extrusion chamber is housed in the extrusion chamber, the outlet side of extruding screw is provided with the current stabilization that links to each other with extrusion chamber and extrudes part, current stabilization is extruded part and is provided with extruded hole with the coaxial setting of extruding screw, described current stabilization is extruded part one side and is provided with extruding jet nozzle, one cutting knife by driven by motor is flattened on the extruding jet nozzle outside, it is characterized in that: described current stabilization is extruded and is provided with the heat exchanger that axially links to each other and the part that confluxes between part and the extruding jet nozzle, the part that confluxes is provided with the hole of confluxing that is connected with extruding jet nozzle, heat exchanger comprises some heat exchanger tubes that pass housing that parallel, be tightly connected between heat exchanger tube and the housing, housing is provided with refrigerant import and refrigerant exit, and each heat exchanger tube two ends is connected extruded hole respectively and the hole of confluxing.
2, a kind of extrusion type puffing device according to claim 1, it is characterized in that: described current stabilization is extruded part and is provided with the cavity that vertically runs through extruded hole, be arranged with upper piston and lower piston in the cavity, upper piston and lower piston are separately positioned on the stroke regulating lever.
3, a kind of extrusion type puffing device according to claim 2 is characterized in that: described stroke regulating lever side is provided with indicator scale.
4, according to any described a kind of extrusion type puffing device of claim 1-3, it is characterized in that: the described extruded hole and the circle of hole shape of confluxing for shrinking gradually to the centre from two ends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100392183A CN100486468C (en) | 2006-03-22 | 2006-03-22 | Extrusion type puffing device |
| PCT/CN2007/000853 WO2007107092A1 (en) | 2006-03-22 | 2007-03-16 | an EXPANDING AND EXTRUDING APPARATUS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100392183A CN100486468C (en) | 2006-03-22 | 2006-03-22 | Extrusion type puffing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1823635A true CN1823635A (en) | 2006-08-30 |
| CN100486468C CN100486468C (en) | 2009-05-13 |
Family
ID=36934620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100392183A Expired - Fee Related CN100486468C (en) | 2006-03-22 | 2006-03-22 | Extrusion type puffing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100486468C (en) |
| WO (1) | WO2007107092A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101803794A (en) * | 2010-04-23 | 2010-08-18 | 江苏牧羊集团有限公司 | Extruder |
| CN101366464B (en) * | 2008-09-12 | 2011-08-03 | 江苏牧羊集团有限公司 | Extrusion pressing puffing apparatus capable of removing fibre in materials |
| CN101664658B (en) * | 2009-09-17 | 2012-10-03 | 江苏牧羊集团有限公司 | Equipment and method for producing high curing extruded products |
| CN113543947A (en) * | 2019-03-06 | 2021-10-22 | 米其林集团总公司 | Twin-screw mixing extruder with moving elements |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602755B (en) * | 2020-05-22 | 2023-05-23 | 福州航盛饲料有限公司 | Production process of aquatic feed |
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| CA931720A (en) * | 1969-08-07 | 1973-08-14 | Hayashi Motoshige | Synthetic wood and a method for preparation thereof |
| US4192839A (en) * | 1978-01-03 | 1980-03-11 | Sekisui Kaseihin Kogyo Kabushiki Kaisha | Process for producing expanded article of thermoplastic resin |
| JPS60259176A (en) * | 1984-06-06 | 1985-12-21 | Ikegai Corp | Food forming die |
| US4746478A (en) * | 1985-07-24 | 1988-05-24 | Sekisui Kaseihin Kogyo Kabushiki Kaisha | Method and apparatus for production of foamed thermoplastic material |
| JPS6398412A (en) * | 1986-10-15 | 1988-04-28 | Mazda Motor Corp | Extrusion apparatus for synthetic resin sheet with variable width |
| US5216945A (en) * | 1987-04-06 | 1993-06-08 | Nestec S.A. | Apparatus for preparation of a flavoring agent |
| JP2510776B2 (en) * | 1990-08-23 | 1996-06-26 | 日本水産株式会社 | Manufacturing method of salt-free processed food |
| JPH0662821A (en) * | 1992-08-11 | 1994-03-08 | Japan Steel Works Ltd:The | Extruding production of unpuffed fine stringy food and cooling die |
| CN2138890Y (en) * | 1992-11-14 | 1993-07-28 | 济南星火技术信息研究所 | Pop-food filling forming machine head |
| CN2170639Y (en) * | 1993-10-08 | 1994-07-06 | 熊尚才 | Self-heating spiral puffing machine |
| CN2349811Y (en) * | 1998-12-29 | 1999-11-24 | 江苏正昌集团公司 | Real-time controller for expanding device |
| AUPQ499200A0 (en) * | 2000-01-07 | 2000-02-03 | Effem Foods Pty Ltd | Multi-channel cooling die |
| CN2456485Y (en) * | 2000-12-20 | 2001-10-31 | 杨光 | Shaping mold head of puffing machine |
| CN2565273Y (en) * | 2002-02-28 | 2003-08-13 | 东北农业大学 | Multifunctional extruding puffing device |
| US6773739B2 (en) * | 2002-08-30 | 2004-08-10 | Wenger Manufacturing, Inc | Method and apparatus for extrusion of food products including back pressure valve/diverter |
-
2006
- 2006-03-22 CN CNB2006100392183A patent/CN100486468C/en not_active Expired - Fee Related
-
2007
- 2007-03-16 WO PCT/CN2007/000853 patent/WO2007107092A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366464B (en) * | 2008-09-12 | 2011-08-03 | 江苏牧羊集团有限公司 | Extrusion pressing puffing apparatus capable of removing fibre in materials |
| CN101664658B (en) * | 2009-09-17 | 2012-10-03 | 江苏牧羊集团有限公司 | Equipment and method for producing high curing extruded products |
| CN101803794A (en) * | 2010-04-23 | 2010-08-18 | 江苏牧羊集团有限公司 | Extruder |
| CN101803794B (en) * | 2010-04-23 | 2011-11-23 | 江苏牧羊集团有限公司 | Extruder |
| CN113543947A (en) * | 2019-03-06 | 2021-10-22 | 米其林集团总公司 | Twin-screw mixing extruder with moving elements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100486468C (en) | 2009-05-13 |
| WO2007107092A1 (en) | 2007-09-27 |
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