CN101919574A - Continuous formation system of grain - Google Patents
Continuous formation system of grain Download PDFInfo
- Publication number
- CN101919574A CN101919574A CN2009100529300A CN200910052930A CN101919574A CN 101919574 A CN101919574 A CN 101919574A CN 2009100529300 A CN2009100529300 A CN 2009100529300A CN 200910052930 A CN200910052930 A CN 200910052930A CN 101919574 A CN101919574 A CN 101919574A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- extrusion
- screw
- grain
- formation system
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a continuous formation system of grain, in which several steps such as feeding, screw extrusion, extrusion, conveying, film coating, cutting and drying are orderly included, wherein specific devices comprise a feeding device (20), a screw extruder (10), an extrusion die (40), a rotary motor case (50), a coating device (60), a conveyor belt (70) and a cutting device (9). The screw extruder is a three-screw extruder; the cutting device adopts a high-pressure water jet; and the conveyor belt has adhesive function. Preferred extrusion efficiency and product yield can be obtained by adopting the multi-screw extruder; the adhesive conveyor belt is convenient to adjust the final shape of a strip product; for the strip material needing to be cut, the traditional equipment adopts a mechanical cutter to cut and the precision and cleanness cannot be guaranteed, but the high-pressure water jet can cut the product more cleanly and efficiently.
Description
Technical field
The present invention relates to a kind of continuous formation system of grain, specifically adopt screw extruder and supporting extrude, coating, shearing device come equipment that premixed rice flour mash or dough are processed, belong to food processing technology field.
Background technology
Along with increase day by day to the requirement of the nutrition of food, the bread basket and the production method thereof of various composite nutrients are also developing by leaps and bounds, from the pre-steaming method technology of early stage acid, directly soak technologies such as suction method and coating method, develop into nowadays more complete:, obtain the technological process of multi-nutrient fortification composite cereal at last from cereal pulverizing → preliminary treatment → mix with nutrient → push → moulding → drying → screening → join rice in proportion.
And the step of extruding-moulding wherein is the important step in the production process, single screw rod or the twin (double) screw extruder generally taked, the hydrate of cereal powder is pushed the back by certain shape mould, obtain the cereals of needed shape, size through cutting, and on corresponding conveyer belt, carry, until check and packaging step.
Simultaneously, because the techniqueflow of extrusion modling process can be processed into cereal the product with certain puffed degree and mellowness, be applicable to products such as various food, nourishing additive agent, animal feed.
Referring to accompanying drawing 1, international open text (WO01/72151) discloses a kind of incorporate composite cereal mixing, extruding, former.Comprise raw material blending device, twin (double) screw extruder, extrusion device, former.Raw material blending device wherein and twin (double) screw extruder link to each other by the vertical transport pipeline that is communicated with, and be provided with control valve in pipelines, to adjust speed and the product efficiency that the premix raw material enters extruder.Be arranged in parallel in the twin (double) screw extruder screw rod of two mutual interlocks of screw thread rotates in opposite directions, makes the material of from top to bottom carrying can carry out compacting fully and conveying.End at extruder has extrusion dish, offer a plurality of extrusion cavities on the extrusion dish, be close to the extrusion cavities place and be provided with cutter sweep, the strip-shaped materials that squeezes out can be cut into needed strip, granular or sheet products, to meet the needs of various cereal joint products.
Referring to accompanying drawing 2, United States Patent (USP) (US5350585) discloses a kind of double-screw structure of extruder.Described double-screw structure is divided into multistage, and its thread density is all inconsistent, to cooperate the needs in each stage in the extrusion process.Simultaneously, also offer the cavity in the screw rod, so that material fully mixes in screw extruder.
Yet traditional screw rod single lead screw ex truding briquetting machine still has some shortcomings:
1, the product that obtains of traditional extrusion equipment directly carries out the heating, drying step, yet but tends in baking step and since the product that contains moisture suddenly dehydration cause product surface to break or pulverize, cause the yield rate reduction.
2, the output of traditional extrusion formation equipment and productive rate are difficult to be greatly improved.
3, the screw rod of traditional screw extruder directly is positioned in the cavity of ellipse or circular cross-section, and in extruding and the course of conveying, material is easy to pile up in some position generation, thereby squeezing effect is reduced again.
4, packing phenomenon is often arranged in the screw rod cavity, and these deposits of failing for a long time fully to be pushed can condense into piece after after a while, thereby influence the uniformity coefficient of integral product output efficiency and product, need often cleaning.Yet the screw rod of traditional twin (double) screw extruder is changed the process difficulty, and after shutting down, screw rod still can produce mechanical rotation because of the structure of mutual interlock, causes the accident easily.
Summary of the invention
The invention provides a kind of continuous formation system of grain, comprising: feed arrangement 20, screw extruder 10, extrusion die 40, rotary motor case 50, coating unit 60, conveyer belt 70, and shearing device 90, described feed arrangement 20 is for having the loading hopper of flow control valve and monitoring equipment; Described screw extruder 10 comprises the cavity that screw rod is installed, supporting strut, and with many screw rods of the mutual airtight interlock of inside cavity; Described extrusion die 40 has two extrusion dishes 41, and extrusion dish is the frustum shape, and extrusion is distributed on the outer ring surface of disk; Described conveyer 70 is arranged on the extrusion dish below, comprises driving rolls and has adhering conveyer belt 72; Wherein, described continuous formation system of grain comprises feed step altogether, the screw rod pressing steps, and extrusion step, transfer step, the coated film step is cut off specific operation process such as step and baking step.
Above-mentioned continuous formation system of grain, wherein, in the feed step, feed rate is controlled at: between 1.5 tons/hour～5 tons/hour, be preferably 2.5 tons/hour.
Above-mentioned continuous formation system of grain, wherein, in the screw rod pressing steps, the slewing rate of screw rod generally is controlled at: 20～220 rev/mins.
Above-mentioned continuous formation system of grain, wherein, in the transfer step, the speed of service of conveyer belt is 4 meters/minute to 10 meters/minute.
Above-mentioned continuous formation system of grain wherein, includes three screw rods in the cavity of described screw extruder 10, described three screw rods are formed three-screw-rod structure, and three screw rod branch upper strata screw rod group and lower floor's screw rod is two-layer arranges;
The upper strata screw rod group comprises the first upper strata screw rod 1 and the second upper strata screw rod 2, and contactless between its two upper strata screw rods, the rotation direction of two screw rods is consistent; Lower floor's screw rod 3 and 1, the 2 airtight interlock respectively of upper strata screw rod, and lower floor's screw rod rotation direction is opposite with upper strata screw rod direction.
Described three-screw-rod structure, the screw rod that is positioned at the below is as the active screw rod, by drive motor; Two screw rods that are positioned at the top are rotated by the screw thread drive of mutual interlock as driven screw rod.
Above-mentioned continuous formation system of grain, wherein, described conveyer 70 can be divided into conveyer 70 ' behind a preceding conveyer 70 and, between two adjacent conveyers drop is arranged all, and back conveyer 70 ' highly is lower than preceding conveyer 70;
On the turning cylinder of preceding conveyer 70, be provided with fixedly pole 74 and saddle face 75, guiding strip moving material is back transmitting device 70 ' extremely, and material is cut off by high-pressure spray 92 exactly.
Described jet 91 is for tilting, and and the angle of described saddle face 75 be between 85 ° to 95 °.
Above-mentioned continuous formation system of grain, wherein, described coating unit 60 is vertical liquid film coating unit, comprises upper strata fuel reserve tank 61, lower floor's fuel reserve tank 62, oil pump 69 and pipeline road 68;
In the middle of the described coating unit be the coated frame 64 of hollow, and the liquid that is formed by a plurality of compact arranged jet 66 at coated frame 64 tops flows 67 and constitutes liquid film, and the material surface by is wherein applied;
The coated frame 64 of described coating unit 60 is set to be wrapped in conveyer belt 70 outsides, and described conveyer belt 70 is provided with the device that is used to collect reuse oil at the front and back position through coating unit.
Above-mentioned continuous formation system of grain wherein, is provided with shearing device 90 between the adjacent conveyer belt, comprise jet 91, and the section shape material 210 that is cut to regular length by the high-pressure spray 92 that jet sends with the moving material 200 with strip.
Above-mentioned continuous formation system of grain wherein, cuts off step and adopts the high-pressure water knife jet to carry out, and this jet frequency is between 2 seconds/time to 15 seconds/time.
Above-mentioned continuous formation system of grain, wherein, described extrusion formation equipment comprises that two groups or above 10, two groups of extruders of screw extruder arrange shared same extrusion die 40, described two extrusion dishes 41 and screw extruder omnidirectional distribution in opposite directions.
By the technical solution adopted in the present invention, can obtain following advantage:
1, need cut off for the strip material, traditional equipment adopts machinery knives to cut its accuracy and cleaning is difficult to guarantee, and high-pressure water knife can be realized cutting apart of product more cleanly and efficiently.
2, by being applied grease, product after the extrusion modling (mainly refers to all kinds of edible oil and fat, especially refer to soybean oil, olive wet goods vegetable oil), so that it can obtain the better overall form before oven dry, and can effectively prevent in the predrying process because moment the high temperature cracking and the fragmentation that cause.
3, improve extruding efficient and utilization of space, can under the situation that does not enlarge the hold facility area, effectively increase the maximum output of separate unit extrusion equipment.
4, reduce the solid accumulation phenomenon, and reduced the cleaned and changed frequency of screw rod.
5, be convenient to the integral replacing and the repairing of screw rod, avoid changing the safety problem that produces in the screw rod process, and can under non-stop-machine situation, realize check maintenance the control of external cavity and temperature, checkout gear.
6, for control of the segmentation in the process of extrusion modling and maintenance, provide possibility.
Description of drawings
The extruder of Fig. 1 prior art;
The double-screw structure of Fig. 2 prior art;
The horizontal view of Fig. 3 extrusion formation equipment of the present invention;
The vertical view of Fig. 4 extrusion formation equipment of the present invention;
Fig. 5 screw extruder sectional view of the present invention;
Of the present invention pair of extruder omnidirectional distribution of Fig. 6 figure;
Fig. 7 extrusion formation equipment extruding screw of the present invention temperature regulating device and single screw rod distribution map;
The cut-away view of Fig. 8 extrusion die of the present invention;
The lateral plan of Fig. 9 coating unit of the present invention;
Figure 10 coating unit front view of the present invention;
The schematic diagram of Figure 11 coating unit of the present invention and conveyer;
Figure 12 shearing device of the present invention and conveyer distribution schematic diagram;
Figure 13 conveyer of the present invention and on saddle face schematic diagram;
Figure 14 integrated artistic flow chart of the present invention.
The specific embodiment
Referring to accompanying drawing 3 and accompanying drawing 4, be the vertical view of formation system horizontal flow chart of the present invention and equipment.Comprise feed arrangement 20, screw extruder 10, extrusion die 40, rotary motor case 50, conveyer 70, wherein, described feed arrangement 20 is for having the loading hopper of flow control valve and monitoring device; Described screw extruder 10 comprises the cavity that screw rod is installed, supporting strut, and with many screw rods of the mutual airtight interlock of inside cavity; Described extrusion die 40 has two extrusion dishes 41, and extrusion dish is the frustum shape, and extrusion is distributed on the outer ring surface of disk.Material enters screw extruder 10 by feed arrangement 20, there are twin-screw or multiscrew structure to carry out the extruding and the conveying of level in the screw extruder, and described material finally is accumulated to an end of close extrusion die 40, by the screw rod rotation process that continues, material is pushed into extrusion die, and via the extrusion cavities in the mould, described extrusion cavities is distributed on the circular extrusion dish 41, and material is extruded thus.
Extrusion die 40 equipment have two extrusion dishes 41, and extrusion dish is the frustum shape, and less at a side bore of extrusion die, and bigger at the side bore away from extrusion die.And be distributed with extrusion 42 on the extrusion dish, extrusion is distributed on the outer ring surface of disk.The preferred extrusion cavities arrangement of the present invention, extruding on the disk 41 as shown in Figure 3,3 one group arrangement of extrusion, and 3 extrusions of every group are arranged along the disk tangential direction.Can press certain angle with respect to disk and distribute,, be divided into and join 4 groups as 90 ° of angles.Perhaps also can take 120 ° of angles to distribute 3 groups or 60 ° of angles to distribute other equal mode for cloth such as 6 groups.The diameter of extrusion dish 41 is typically chosen between 15 to 65 centimetres, is preferably 15 centimetres of extrusion dishes to 30 cm diameters.The diameter of extrusion 42 is controlled to be between 1 millimeter to 15 millimeters, and the extrusion dish that can select to have different diameter extrusion cavities according to different product requirements as an alternative.The bore dia that wherein is preferred for making the extrusion of production reconstituted rice kernels equipment is 1.2 millimeters or 3.8 millimeters, so that the finished product final size can be near natural rice.The shape of described extrusion also can adopt other shapes such as square, rectangle, ellipse.
Conveyer 70, the roller 71 that comprises conveyer belt 72 and be used to drive conveyer belt, this conveyer be arranged on the extrusion dish mouth under, be used to hold and receive the strip product of extruding.
Referring to Fig. 8, the pressurizing unit middle body in the extrusion forming device of the present invention is a storage chamber 43, is used for storing the material that is delivered to extrusion die 40 from extruding screw.And the both sides, porch in that screw rod 1,2 and storage chamber are carried are provided with block 44 in addition to prevent feed back and to be piled up in the corner.Ternary extrusion 42 on the described extrusion dish 41, big outer little taper in it is shaped as is beneficial to material and can continues the compaction rate that keeps certain when squeezing out extrusion dish.
Referring to Fig. 5, the cross sectional view for the screw extruder of the preferred embodiment of the present invention has an internal layer cavity 6 in the cavity of described screw extruder 10, with internal screw 1,2,3 whole combinations, also comprise a charging notch 5, be used to allow the premix raw material enter extrusion equipment; The shape of internal layer cavity 6 is close to the edge setting of screw-rod structure; Also be provided with an outer cavity 7 outside the internal layer cavity 6, be sealed with the three-screw-rod structure that three screw rods are formed in the described internal layer cavity, and be supported between the outer cavity 7.And three screw rods divide upper strata screw rod group 1,2 and lower floor's screw rod 3 two-layer arranging.Wherein, the upper strata screw rod group comprises that the first upper strata screw rod 1 is identical with 2, two screw rod height of the second upper strata screw rod, do not contact mutually, and rotation direction is identical, and material falls between the screw rod of upper strata by charging notch 5, pushes and mill through screw rod to enter the cavity zone line.Lower floor's screw rod 3 and 1,2 interlock respectively of upper strata screw rod group, the direction of rotation of the rotation direction of lower floor's screw rod 3 and upper strata screw rod group.The angle that the axle center of two upper strata screw rods is become with lower floor screw rod axial connecting line is 75-85 °, wherein preferred 80-83 °.Under the bottom of screw extruder be provided with thermostat layer 9, in be filled with isothermal liquid or steam, with the bulk temperature of assurance device greater than 40 ℃.
Therefore, the material that enters zone line enters the screw rod group bottom by lower floor's screw rod and the second upper strata screw rod, 2 extruding rear sections, and remainder enters in the transmission locus of the second upper strata screw rod 2.Subsequently, the material of bottom is after the first upper strata screw rod, 1 co-extruded, and part enters in the first upper strata screw rod, pushes with the lower floor screw rod once more; Remainder then enters zone line.Enter the material of zone line and the material that directly falls into,, enter respectively in the bottom and the second upper strata screw rod via the lower floor's screw rod and the second upper strata screw rod extruding by the charging notch.It should be noted that, in the extruder of this kind three-screw-rod structure, material resides in carries the time proportion of extruding more in lower floor's screw rod, account for overall 65%～80%, and have only partial material to get back in the screw rod of upper strata through extruding, simultaneously relevant with the viscosity characteristics of material itself, the material that viscosity is bigger, the ratio regular meeting that enters upper strata screw rod extruding is bigger.
Therefore, except routine utilize gear structure reach the device of rotation driving that drives three screw rods simultaneously implement the extruding, also can make two screw rods in top driven by the mode that only drives lower floor's screw rod along screw thread, realize the extruding of material, and reduce too much idle running and power consumption effectively, realize the utilization to greatest extent of power output.
Have fixed structure between described internal layer cavity and outer cavity, to keep the stable of two-layer cavity, fixed structure is conventional mechanical configurations such as mounting flange, fixed support; And the cushion that described fixed structure also can be made for porous material.And, in the space, bottom of described outer cavity and internal layer cavity, be provided with temperature-adjusting device 8, be heater specifically, may be selected to be resistance heater or steam fumarole, and detect the temperature of each section by the temperature sensor that is arranged on the axial diverse location of extruder.By being arranged on the axially heater of each section, regulate again, reach the control of multistage temperature, be convenient to the extruded product of difference extruding degree and position is carried out temperature control by electric control circuit or steam valve.
Referring to Fig. 7, view for segmentation heating spiral rod device of the present invention, as shown in the figure, only identify lower floor's screw rod 3, every screw rod all is divided into multistage, comprises extrusion tip 106, be distributed with first extruded segment 101 vertically successively, second extruded segment 102, the three extruded segment, 103, the four extruded segment 104 and the 5th extruded segment 105.The thread density of every section extruded segment is all inequality, and secondly wherein the most close terminal 106 the first extruded segment thread density maximum is second extruded segment and the 4th extruded segment, and the 3rd extruded segment and the 5th extruded segment thread density are less.And, near corresponding each extruded segment, also be assigned heater 8 piecemeal, and specifically can be divided into first heater, 81, the second heaters, 82, the three heaters, 83, the four heaters, 84, the slender acanthopanax thermic devices 85 according to different extruded segment.And described heater is in the middle of two screw rod belows, each free independent temperature-adjusting device control.In the present invention, described heater is the thermal resistance of coiling, and is equipped with temperature sensor at corresponding heater place, so that regulate the temperature conditions of each specific position, can realize stepped temperature control.The extrusion temperature of screw extruder generally is controlled at 45-60 ℃, wherein at the 5th extruded segment place that material enters, temperature is controlled at 45-50 ℃, and the 4th extruded segment place temperature is 50-55 ℃, the 3rd extruded segment place temperature is 45-55 ℃, and first and second extruded segment temperature is 55-60 ℃.
Referring to Fig. 6, be of the present invention pair of extruder omnidirectional distribution structure chart.10, the two groups of extruders of screw extruder that comprise two groups are arranged in opposite directions, shared same extrusion die 40, described two extrusion dishes 41 and screw extruder omnidirectional distribution.Simultaneously, also can take the screw extruder 10 shared same extrusion dies 40 more than layered mode is realized two groups up and down, and the inwall of described extrusion die 40 need pass through dilatation and structure-reinforced, so that it can bear the common immense pressure that produces of many group extruders.
Combined screw-type extrusion device of the present invention, wherein, described extrusion forming device comprises that two groups or above 10, two groups of extruders of screw extruder arrange in opposite directions, be communicated to same extrusion die 40, described two extrusion dishes 41 and screw extruder omnidirectional distribution.
Above-mentioned combined screw-type extrusion device, wherein, described screw extruder 10 is in changing the screw rod process, by stopping the screw drive axle, subsequently screw rod and the internal layer cavity that is coated on the screw rod outside are unclamped jointly to a certain degree, promptly leave driving shaft fixed position 25 to 50 centimeters, with mechanical arm or hangar system, screw rod internal layer cavity and inner screw rod are replaced simultaneously, and new screw rod cavity and screw rod is mounted on the plant equipment.
Be provided with the dismounting groove on the internal layer cavity of screw rod, the dismounting groove distributes vertically, is positioned on the tangent plane direction of two screw rod contact points.And, by dismantling groove behind its length direction cutting damage, the internal layer cavity can be opened, thereby take out the screw rod be coated on respectively in the cavity, clean separately and safeguard.And can put new internal layer cavity and recycle.
Extrusion molding apparatus of the present invention, wherein, described extrusion device below is provided with conveyer 70, and conveyer is accepted the product of extrusion device extrusion modling, is transported to an oven dry treating apparatus.
Referring to Fig. 9 and Figure 10, be respectively the front and the lateral plan of coating unit 60 of the present invention, described coating unit is vertical liquid film coating unit, comprises upper strata fuel reserve tank 61, lower floor's fuel reserve tank 62, oil pump 69 and pipeline road 68; Described oil pump is promoted to the oil plant in lower floor's fuel reserve tank 62 in the upper strata fuel reserve tank 61 aperiodically according to oil mass in lower floor's fuel reserve tank and oil pressure situation.Described pipeline road can adopt metal or hard plastic tube, also can adopt plastic hose.In the middle of the described coating unit is the coated frame 64 of a hollow, and the liquid that is formed by a plurality of jets that closely are arranged in a row 66 at coated frame 64 tops flows 67 and constitutes liquid film, and the material surface by is wherein applied.The stronger surface tension that described vertical liquid film utilizes grease itself to be had is kept certain thickness liquid and is hung face from above, and its thickness can be controlled in the 0.8-1.5 millimeter according to the selection and the setting of jet.Described coated frame top has oil storage tank 65, in order to store and to distribute the oil in storage of each jet 66.Described oil storage tank directly is communicated with the jet of below, and oil storage tank 65 is adjusted into level, so that the flow of each jet, flow velocity are consistent substantially.Oil storage tank 65 tops have a plurality of throttling funnels 63, in order to from the fuel reserve tank of upper strata fluid is delivered in the jet 66, are provided with choke valve in each throttling funnel, can regulate separately, to distribute the average degree of each several part liquid stream in the coated frame.The bore of each jet 66 of coating unit 60 of the present invention is 1.5 millimeters to the maximum, and the spacing of described adjacent jet is the 2-5 millimeter, to form the coating liquid stream 67 near complete liquid film.
Referring to Figure 11, be the combine schematic diagram of coating unit of the present invention with conveyer, under described conveyer 70 settings and the extrusion dish 41, comprise delivery roller 71 and conveyer belt 72.Extruded material directly drops on the conveyer belt, by regulating the speed of conveyer belt, can make the material product stretching or curling.Concrete, when line speed during greater than the material extruded velocity, material is able to stretching; When line speed during less than the material extruded velocity, material is the shape that curls.The material that squeezes out enters on the conveyer belt 72 and transmits.Described conveyer belt 72 is that the vibrations that the material on the conveyer belt obtains to a certain degree disperse by the mode of intermittent transfer.Having the baffle plate that prevents material spilling in described conveyer belt both sides, is on the described conveyer belt at baffle plate, all offers tiny hole, flows out for use in the fluid that applies.Material on the conveyer belt, in the process of the coated frame 64 by coating unit 60, be covered with one deck grease via from top to bottom liquid flow coat after, be sent to next section conveyer belt.And in being provided with the conveyer belt of coating unit, coating unit front-back direction place can be provided with the brush and the baffle plate that help fluid to be recycled to lower floor's fuel reserve tank 62, is beneficial to the fluid recovery and uses.
Coat film can play prevent the cereal hydrate inter-adhesive, with the adhesion of machine, further prevent contingent cracking in the follow-up dry run, also be beneficial to the shape of keeping granular cereal hydrate.
Referring to Figure 12 and Figure 13, be shearing device 90 of the present invention and conveyer distribution schematic diagram, described conveyer is a section in all conveyers, only represents two adjacent conveyers and is positioned at herein shearing device.Conveyer 70 and back conveyer 70 ' before described conveyer comprises, wherein, back conveyer be provided with 70 ' before being lower than conveyer 70, and two parts conveyer is close to mutually, conveyer belt transmitted rearward band transmission, i.e. direction from left to right as shown in Figure 12 before the direction of transfer of unprocessed moving material 200 was served as reasons.Be provided with saddle face 75 at preceding conveyer 70 ends, by fixing pole 74 fixed supports.Saddle face 75 is provided with roller 71 is close mutually, and it is positioned at the end of roller, it is downward-sloping position, be convenient to material directly through sliding to conveyer belt on the saddle face, push by moving material thereafter, make it to slide on the conveyer of back, and after the saddle face, be in vacant state along the saddle face.Above the joint of adjacent two conveyers, be provided with high-pressure water knife shearing device 90, comprise being used for the jet 91 that spray liquid flow is generally current, the position of jet slightly tilts with respect to vertical direction, and almost vertical with the upper surface of saddle face, angle is between 85 ° to 95 °.By controller control, eject high-pressure spray 92 off and on, cut off material in the unsettled place of material, the pull power of cut material through transmitting with the below continues to transmit to follow up device, forms the section shape material 210 of length basically identical.Behind the track of high-pressure water knife, be provided with retracting device 93, be used to collect the material fragment of cut-out, and part is via the chip of two conveyers below intersection guides to.
In addition, described high-pressure water knife can be arranged side by side a plurality of, so that cut the long vertical bar material that whole transmission zone face is covered simultaneously.Wherein, jointly allocate according to the speed of conveyer belt the blanking time of high-pressure water knife, and the product that satisfies blanking time and conveyer belt transfer rate equals the scope of 30cm to 75cm.And, can adjust the specification of product material by independent adjusting line speed or injection interval time.
The present invention also provides a kind of integrated composite cereal extrusion process.Referring to Figure 12, the overall flow figure for extrusion apparatus of the present invention comprises:
Feed step: with the material powder that obtains after the cleaning of cereal process, the pulverizing, through the pulpous state raw material that obtains after premix and the stirring, by the charging aperture of extruder, the screw extruder of packing into.And, feed arrangement has the loading hopper of flow control valve and monitoring equipment, adjusts inlet amount according to the operating condition and the product requirement of screw extruder, and equally spaced gradation charging is taked in charging, require lower product corresponding to the extruding degree, also can carry out continuous feed.Feed rate is controlled at: between 1.5 tons/hour～5 tons/hour, be preferably 2.5 tons/hour.
Screw rod pressing steps: by screw extruder,,, make the convey materials of preliminary mixing, pushed fully and shrink, and enter corresponding extrusion die, extrusion molding by extruding of the intermeshing screw thread of screw rod and helical feed with drive shaft.The rotating speed of screw rod is adjustable, and according to actual needs, its slewing rate generally is controlled at: 20～220rpm (rev/min), wherein preferred rotating speed is: 56rpm, 96rpm, 140rpm and 178rpm.Low-rotate speed 20rpm generally only uses in the test run stage.
Extrusion step: extrusion die 40 is connected with the extruder outlet end is airtight, its inside is provided with storage chamber 43 and extrusion 42, material through extruder shearing, extruding, after entering extrusion die, carry out extruding by extrusion after the short stay according to the shape of extrusion die 40 inside, the material that the conical design of extrusion 42 helps last moulding carries out the final step compression, makes the product structure consolidation.
Transfer step: granular product falls on the conveyer belt 72 of extrusion dish below, and transmit via conveyer belt 72, the conveyer belt both sides have places the baffle plate that product leaks down, and be provided with netted sieve aperture in conveyer belt bottom and two bottom sides edge, the aperture of described sieve aperture is generally below the 5mm, be preferably 2mm or 3.5mm, further be sent to the oil film coating device.The speed of service of conveyer belt is 4 meters/minute and does not wait preferably 6 meters/minute to 10 meters/minute.
Coated film step: to described material, by oil film coating coating device 60 coating one deck greases; Described coating fluid from top to bottom stays, and material is carried out flowing out by sieve aperture after of short duration half submergence.And via lower floor's oil collector sump tank collection, and pump and to carry out reuse in the upper strata.
Cut off step: will continue to carry along the conveyer belt direction through the strip product of top layer grease coating, and further cooling in transport process, make it reach certain rigidity.Subsequently, cut off the equipment place at the high-pressure water knife by specified location, on a ramp platform with drop, the strip product is cut off, described high-pressure water knife is rationally controlled each segment length of this product by its jet frequency of control and jet time.This jet frequency is generally between 2 seconds/time to 15 seconds/time, preferably between 3 seconds/time to 7.5 seconds/time.
Baking step: be sent to follow-up drying unit via conveyer belt more subsequently, carry out flow processs such as TRANSIENT HIGH TEMPERATURE oven dry and freeze-day with constant temperature, check through verifying attachment subsequently and enter and carry out the final finished packing in the packing device.
Foregoing is exemplifying of specific embodiments of the invention, for the wherein not equipment of detailed description and structure, should be understood to take the existing conventional equipment in this area to be implemented.
Claims (10)
1. continuous formation system of grain comprises:
Feed arrangement (20), screw extruder (10), extrusion die (40), rotary motor case (50), coating unit (60), conveyer belt (70), and shearing device (90), described feed arrangement (20) is for having the loading hopper of flow control valve and monitoring equipment; Described screw extruder (10) comprises the cavity that screw rod is installed, supporting strut, and with many screw rods of the mutual airtight interlock of inside cavity; Described extrusion die (40) has two extrusion dishes (41), and extrusion dish is the frustum shape, and extrusion is distributed on the outer ring surface of disk; Described conveyer (70) is arranged on the extrusion dish below, comprises driving rolls and has adhering conveyer belt (72);
It is characterized in that: described continuous formation system of grain comprises feed step altogether, the screw rod pressing steps, and extrusion step, transfer step, the coated film step is cut off specific operation process such as step and baking step.
2. continuous formation system of grain as claimed in claim 1 is characterized in that, in the feed step, feed rate is controlled at: between 1.5 tons/hour～5 tons/hour, be preferably 2.5 tons/hour.
3. continuous formation system of grain as claimed in claim 1 is characterized in that, in the screw rod pressing steps, the slewing rate of screw rod generally is controlled at: 20～220 rev/mins.
4. continuous formation system of grain as claimed in claim 1 is characterized in that, in the transfer step, the speed of service of conveyer belt is 4 meters/minute to 10 meters/minute.
5. continuous formation system of grain as claimed in claim 1, it is characterized in that, include three screw rods in the cavity of described screw extruder (10), described three screw rods are formed three-screw-rod structure, and three screw rod branch upper strata screw rod group and lower floor's screw rod is two-layer arranges;
The upper strata screw rod group comprises the first upper strata screw rod (1) and the second upper strata screw rod (2), and contactless between its two upper strata screw rods, the rotation direction of two screw rods is consistent; Lower floor's screw rod (3) and upper strata screw rod (1,2) airtight interlock respectively, and lower floor's screw rod rotation direction is opposite with upper strata screw rod direction.
Described three-screw-rod structure, the screw rod that is positioned at the below is as the active screw rod, by drive motor; Two screw rods that are positioned at the top are rotated by the screw thread drive of mutual interlock as driven screw rod.
6. continuous formation system of grain as claimed in claim 1, it is characterized in that, described conveyer (70) can be divided into conveyer (70 ') behind a preceding conveyer (70) and, between two adjacent conveyers drop is arranged all, back conveyer (70 ') highly is lower than preceding conveyer (70);
On the turning cylinder of preceding conveyer (70), be provided with fixedly pole (74) and saddle face (75), guiding strip moving material is back transmitting device (70 ') extremely, and material is cut off by high-pressure spray (92) exactly.
Described jet (91) is for tilting, and and the angle of described saddle face (75) be between 85 ° to 95 °.
7. continuous formation system of grain as claimed in claim 6 is characterized in that, described coating unit (60) is vertical liquid film coating unit, comprises upper strata fuel reserve tank (61), lower floor's fuel reserve tank (62), oil pump (69) and pipeline road (68);
In the middle of the described coating unit be the coated frame (64) of hollow, and the liquid that is formed by a plurality of compact arranged jet (66) at coated frame (64) top flows (67) formation liquid film, and the material surface by is wherein applied;
The coated frame (64) of described coating unit (60) is set to be wrapped in conveyer belt (70) outside, and described conveyer belt (70) is provided with the device that is used to collect reuse oil at the front and back position through coating unit.
8. continuous formation system of grain as claimed in claim 1, it is characterized in that, be provided with shearing device (90) between the adjacent conveyer belt, comprise jet (91), and the section shape material (210) that is cut to regular length by the high-pressure spray (92) that jet sends with the moving material (200) with strip.
9. continuous formation system of grain as claimed in claim 8 is characterized in that, cuts off step and adopts the high-pressure water knife jet to carry out, and this jet frequency is between 2 seconds/time to 15 seconds/time.
10. continuous formation system of grain as claimed in claim 9, it is characterized in that, described extrusion formation equipment comprises two groups or above screw extruder (10), two groups of extruders are arranged in opposite directions, shared same extrusion die (40), described two extrusion dishes (41) and screw extruder omnidirectional distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100529300A CN101919574A (en) | 2009-06-11 | 2009-06-11 | Continuous formation system of grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100529300A CN101919574A (en) | 2009-06-11 | 2009-06-11 | Continuous formation system of grain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101919574A true CN101919574A (en) | 2010-12-22 |
Family
ID=43335012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100529300A Pending CN101919574A (en) | 2009-06-11 | 2009-06-11 | Continuous formation system of grain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101919574A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104397863A (en) * | 2014-12-12 | 2015-03-11 | 四川金鼓食品有限责任公司 | Vermicelli machine and transition part thereof |
| CN104432447A (en) * | 2014-12-25 | 2015-03-25 | 孙忠民 | Stepless pressure adjusting round discharge head for food extruder |
| CN106376962A (en) * | 2016-08-26 | 2017-02-08 | 莫晨虹 | Apparatus for fixed-length cut of livestock food |
| CN110140737A (en) * | 2019-06-05 | 2019-08-20 | 安徽省丰龙机械有限公司 | A kind of non-fried instant noodle extrusion tensioning system |
| CN115474699A (en) * | 2022-08-17 | 2022-12-16 | 王刘芬 | Material extrusion device for microbial feed production |
-
2009
- 2009-06-11 CN CN2009100529300A patent/CN101919574A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104397863A (en) * | 2014-12-12 | 2015-03-11 | 四川金鼓食品有限责任公司 | Vermicelli machine and transition part thereof |
| CN104432447A (en) * | 2014-12-25 | 2015-03-25 | 孙忠民 | Stepless pressure adjusting round discharge head for food extruder |
| CN104432447B (en) * | 2014-12-25 | 2016-06-15 | 孙忠民 | A kind of foodstuff extrusion machine stepless voltage regulation circle discharge head |
| CN106376962A (en) * | 2016-08-26 | 2017-02-08 | 莫晨虹 | Apparatus for fixed-length cut of livestock food |
| CN110140737A (en) * | 2019-06-05 | 2019-08-20 | 安徽省丰龙机械有限公司 | A kind of non-fried instant noodle extrusion tensioning system |
| CN110140737B (en) * | 2019-06-05 | 2021-04-23 | 安徽省丰龙机械有限公司 | Non-fried instant noodle extrusion stretching system |
| CN115474699A (en) * | 2022-08-17 | 2022-12-16 | 王刘芬 | Material extrusion device for microbial feed production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101878945A (en) | Integrated extrusion molding equipment | |
| CN101919573A (en) | Composite grain extrusion cutting and molding system | |
| CN204317467U (en) | Dilated food automatic assembly line | |
| CN101919574A (en) | Continuous formation system of grain | |
| CN101884427A (en) | Expanded food forming processing equipment | |
| CN101878951A (en) | Expanded food forming processing equipment | |
| CN101878950A (en) | Extrusion molding device of composite grains | |
| CN101779685A (en) | Extruding, cutting and forming integrated equipment | |
| CN101919577A (en) | Gravity coating film system in composite grain molding equipment and process thereof | |
| CN201370088Y (en) | Oil film coating device | |
| CN201451288U (en) | Screw-type extruder | |
| CN201557543U (en) | Foodstuff processor | |
| CN211098906U (en) | Granulating machine | |
| CN207574487U (en) | Efficient feed roller pressing type particle making machine | |
| CN201630182U (en) | Integrated forming machine | |
| CN101779683A (en) | Multi-screw extruding and molding equipment | |
| CN115176918B (en) | Efficient pig feed preparation method | |
| CN101779682A (en) | Gravity-based film coating system | |
| KR102121834B1 (en) | Rice Cake Maker | |
| CN201577516U (en) | Integral type shaping machine | |
| CN201577515U (en) | Gravity coating control system | |
| CN213344324U (en) | Automatic bulking equipment | |
| CN201491693U (en) | Grain extruder | |
| CN101919576A (en) | Gravity coating control system and method thereof | |
| CN201563585U (en) | Screw extruder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101222 |