CN101919577A - Gravity coating film system in composite grain molding equipment and process thereof - Google Patents
Gravity coating film system in composite grain molding equipment and process thereof Download PDFInfo
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Abstract
The invention provides a gravity coating film system in composite grain molding equipment, which comprises a feeding device (20), a screw extruder (10), an extrusion mold (40), a cutting device (30), a rotary motor box (50), a coating system (60) and a conveyor belt (70). The gravity coating film system is sequentially subjected to the steps of extrusion molding, conveying, oil film coating, half immersion, oil film infiltration, oil fat collection and oil fat recycling. The extruded and cut product is coated with oil fat (mainly relating to various edible oil fat, in particular to soybean oil, olive oil and other kinds of vegetable oil), so that the product can obtain good integral form before drying. Cracking and crushing caused by instantaneous high temperature during predrying process can be effectively prevented, and the product has unique flavor.
Description
Technical field
The present invention relates to a kind of grease coated film technology, relate to particularly adopt screw extruder and supporting extrude, a kind of concrete gravity coating film system and concrete technology thereof in the composite cereal process equipment of excision forming, application system.
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 → excision forming → drying → screening → join rice in proportion.
And the step of extruding-excision forming 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, excision forming equipment.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 extruding excision forming machine still has some shortcomings:
1, the product that obtains of traditional extruding cutting 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 coating efficiency of traditional spraying grease is not high, and the waste and overstock of grease in spraying process can cause damage to equipment itself.
3, all there is more waste in the method for spraying or submergence coating.
Summary of the invention
The invention provides the gravity coating film system in a kind of composite grain molding equipment, comprise feed arrangement 20, screw extruder 10, extrusion die 40, cutter sweep 30, rotary motor case 50, application system 60, and conveyer belt 70, 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 cutter sweep 30 in cutter sweep, comprises cutter blade 32, cutter rotating shaft 31;
Described application system 60 is vertical liquid film application system, 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 application system 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.
Wherein, this gravity coating film system is collected step, grease reuse step through extrusion modling step, transmitting step, oil film coating step, half submergence step, oil film diafiltration steps, grease successively.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, 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 65 tops are provided with a plurality of throttling funnels 63, and inside is provided with choke valve, in order to regulate and to distribute the average degree of coated frame 64 inner liquid streams 67.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, the bore of described jet 66 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.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, in described oil film coating step, product enters the oil film application system, via last and coating liquid stream that vertically fall down applies for 67 layers, described coating liquid stream thickness is by throttle valve adjustment, between 2mm-5mm.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, in the oil film diafiltration steps, after fluid forms half submerged state, close the fluid choke valve of a period of time, fluid is no longer flowed down by the top, and become the fluid of half submerged state to flow out to lower floor's oil collector sump tank by sieve aperture this moment; After treating that the fluid diafiltration is finished, open choke valve once more, carry out a new round and apply.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, in the oil film diafiltration steps, fluid is in half submerged state, begin to run underneath to the time interval that diafiltration steps finishes from fluid, be half submergence cycle once, this half submergence cycle is 5-15 second.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, half submergence cycle was regulated according to twice fluid ejection time interval, in the time interval of twice fluid ejection, was controlled between 20 seconds-60 seconds.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, described grease is collected in the step, the grease of diafiltration is collected by the oil tank of a lower floor, and the oil inlet passage of this oil tank directly links to each other with oil-collecting notch on the conveyer belt, prevents that coating oil is subjected to transmitting the pollution of machinery.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, in the grease reuse step, the grease with this lower floor's oil tank is collected is back to the upper strata oil tank by oil pump, flows down via the fluid throttle valve control again, comes back to the oil film coating step.
Gravity coating film system in the above-mentioned composite grain molding equipment, wherein, the coating grease that is adopted is a soya-bean oil, olive oil, rapeseed oil, through the lard of essence filter, the mixture of one or more in the butter of essence filter.
By the technical solution adopted in the present invention, can obtain following advantage:
1, by being applied grease, extruding cutting back product (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.
2, to the reasonable utilization of grease, reduce the waste of grease in the coating procedure, guaranteeing to apply under the situation of effect, carried out the most effective utilization to applying grease as much as possible.
3, by applying grease, also can increase the local flavor of product.
Description of drawings
The extruder of Fig. 1 prior art;
The double-screw structure of Fig. 2 prior art;
The horizontal view of the extrusion formation equipment that Fig. 3 the present invention applies to;
The vertical view of the extrusion formation equipment that Fig. 4 the present invention applies to;
The screw extruder sectional view that Fig. 5 the present invention applies to;
Two extruder omnidirectional distribution figure that Fig. 6 the present invention applies to;
Extrusion formation equipment extruding screw temperature regulating device that Fig. 7 the present invention applies to and single screw rod distribution map;
Fig. 8 gravity coating film system front view of the present invention;
The lateral plan of Fig. 9 gravity coating film system of the present invention;
The schematic diagram of Figure 10 gravity application system of the present invention film system and conveyer;
Figure 11 gravity coating film process chart of the present invention.
The specific embodiment
Referring to accompanying drawing 3 and accompanying drawing 4, be the extrusion formation equipment horizontal flow chart that the present invention applied to and the vertical view of equipment.Comprise feed arrangement 20, screw extruder 10, extrusion die 40, cutter sweep 30, rotary motor case 50, 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; Described cutter sweep 30 comprises cutter blade 32, cutter rotating shaft 32, and the knife face of pressing close to extrusion dish 41 surfaces of described cutter blade 32 is plane or inclined-plane, the cut surface that is directly used in cutting is parallel to described extrusion dish 41 surfaces and is provided with.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.Described cutter sweep 30 by a cutter rotating shaft 31, is connected by turning cylinder 51 with the rotary motor case 50 of outside, and the axial transmission of the turning cylinder by motor makes cutter rotating shaft 31 drive cutter blades 32 and rotates with certain speed.Speed governing according to motor, with the controllable rotation speed scope of described cutter be: between the 15RPM to 600RPM, in extruding, cutting and forming integrated equipment of the present invention, the preferred rotating speed that is applicable to product is: 80-280RPM, the wherein normal rotating speed that uses is respectively: 110RPM, 150RPM, 180RPM and 220RPM.
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.
In the cutter sweep in the pressurizing unit that applies to of the present invention, cutter blade 32 is fixed in the cutter rotating shaft 31 by axle sleeve, axially drives by rotary motor by cutter rotating shaft 31, drives cutter blade 32 and rotates.Blade 32 length of cutter are slightly larger than the radius of adjacent extrusion dish, blade exceeds the length of extrusion dish between 2-5cm, described cutter sweep 30 also has an outer cover, to coat whole cutter blade, have and the corresponding square breach of conveyer belt that is positioned under the extrusion dish mouth in its underpart, preventing that material from dispersing or sputter in cutting process, and can make it enter conveyer belt.Described blade has 4, and is arc along the blade of its rotation direction (clockwise); Be used for directly cutting the material place on the described blade and have a cut surface, described cut surface is parallel to the extrusion dish plane.Blade can be set to full wafer and entirely presses close to extrusion dish in addition; Perhaps blade integral and extrusion dish plane tilt, but in the position near the cut surface place, have one section with extrusion dish near parallel transition face, its actual and extrusion dish has the angle of inclination of 0-15 degree.The cut surface and the distance between the extrusion dish of described cutter are: the 1-15 millimeter is preferably the 2-7 millimeter.
Referring to Fig. 5, be the cross sectional view of the screw extruder among the embodiment of utilization preferred for this invention, have 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 the segmentation heating spiral rod device of the composite grain molding equipment that the present invention was applied to, 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 cutter sweep below is provided with conveyer 70, and conveyer is accepted the product of cutter sweep excision forming, is transported to an oven dry treating apparatus.
Referring to Fig. 8 and Fig. 9, be respectively the front and the lateral plan of application system 60 of the present invention, described application system is vertical liquid film application system, 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 application system 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 application system 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 10, be the combine schematic diagram of application system of the present invention with conveyer, under described conveyer 70 settings and extrusion dish 41 and the cutter blade 32, comprise delivery roller 71 and conveyer belt 72.The cutter arranged outside has the baffle plate (not shown) that coats whole cutter sweep, and the transmission mouth of offering below baffle plate, and the material that cutting is finished is entered on the conveyer belt 72 to be transmitted.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 application system 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 application system, application system 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 maintains of keeping granular cereal hydrate.
The present invention also provides a kind of gravity coating film technology, as shown in figure 11, specifically comprises the steps,
Extrusion modling step:, obtain the product after the moulding by extruding, the former in early stage.
Transmitting step: the product after the moulding falls on the conveyer belt 72 of extrusion dish below, and transmits via conveyer belt 72, and the conveyer belt both sides have places the baffle plate that product leaks down, and product carries out suitable cooling in air.
The oil film coating step: product enters in the oil film application system, and via last and oil lamella that vertically fall down applies, described oil film thickness can pass through throttle valve adjustment, generally is controlled between the 2mm-5mm.
Half submergence step: conveyer belt bottom and two bottom sides edge are provided with netted sieve aperture, and the aperture of described sieve aperture is generally below the 2mm, is preferably 1.2mm or 0.8mm, further is sent to the oil film coating device.Apply fluid and from top to bottom flow down, material is carried out of short duration half submergence.It is relevant with the fluid flow to reach the semi-immersed time, can be by increasing the fluid flow and reaching this half Immersion time fast.
The oil film diafiltration steps: after fluid forms half submerged state, promptly close the fluid choke valve of a period of time, fluid is no longer flowed down by the top, become the fluid of half submerged state to flow out to lower floor's oil collector sump tank by sieve aperture this moment.After treating that the fluid diafiltration is finished, open choke valve once more, carry out a new round and apply.In diafiltration steps, fluid still is in half submerged state, begins to run underneath to the time interval that diafiltration steps finishes from fluid, is half submergence cycle once, this half submergence periodic Control 5-15 second.In addition, half Immersion time is relevant with screen-aperture, dwindles screen-aperture and can prolong this half Immersion time.In order to make the waste that reduces unnecessary fluid between twice half Immersion times as far as possible, in the time interval of twice fluid ejection, should be controlled between 20 seconds-60 seconds.
Grease is collected step: by the grease of diafiltration, collected by the oil tank of a lower floor, and the oil inlet passage of this oil tank directly links to each other with oil-collecting notch on the conveyer belt, prevents that coating oil is subjected to transmitting mechanical pollution.
Grease reuse step: the grease with this lower floor's oil tank is collected, be back to the upper strata oil tank by oil pump, flow down via the fluid throttle valve control again, come back to the oil film coating step.
Grease of the present invention is edible oil and fat, specifically can be divided into vegetable fat and animal fat, comprise: soya-bean oil, olive oil, rapeseed oil, also can adopt the part animal fat, the lard that filters as essence, butter etc., in coating procedure, do not break except guaranteeing the composite cereal product because of dry run, also can increase its local flavor.
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. the gravity coating film system in the composite grain molding equipment, comprise feed arrangement (20), screw extruder (10), extrusion die (40), cutter sweep (30), rotary motor case (50), application system (60), and conveyer belt (70), 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 cutter sweep (30) in cutter sweep, comprises cutter blade (32), cutter rotating shaft (31);
Described application system (60) is vertical liquid film application system, 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 application system 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.
It is characterized in that: this gravity coating film system is collected step, grease reuse step through extrusion modling step, transmitting step, oil film coating step, half submergence step, oil film diafiltration steps, grease successively.
2. the gravity coating film system in the composite grain molding equipment as claimed in claim 1 is characterized in that, 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 (65) top is provided with a plurality of throttling funnels (63), and inside is provided with choke valve, in order to regulate and to distribute the average degree of the inner liquid stream of coated frame (64) (67).
3. the gravity coating film system in the composite grain molding equipment as claimed in claim 2, it is characterized in that, the bore of described jet (66) 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.
4. the gravity coating film system in the composite grain molding equipment as claimed in claim 3, it is characterized in that, in described oil film coating step, product enters the oil film application system, via last and coating liquid stream (67) layer that vertically fall down applies, described coating liquid stream thickness is by throttle valve adjustment, between 2mm-5mm.
5. the gravity coating film system in the composite grain molding equipment as claimed in claim 1, it is characterized in that, in the oil film diafiltration steps, after fluid forms half submerged state, close the fluid choke valve of a period of time, fluid is no longer flowed down by the top, and become the fluid of half submerged state to flow out to lower floor's oil collector sump tank by sieve aperture this moment; After treating that the fluid diafiltration is finished, open choke valve once more, carry out a new round and apply.
6. the gravity coating film system in the composite grain molding equipment as claimed in claim 5 is characterized in that, in the oil film diafiltration steps, fluid is in half submerged state, begin to run underneath to the time interval that diafiltration steps finishes from fluid, be half submergence cycle once, this half submergence cycle is 5-15 second.
7. the gravity coating film system in the composite grain molding equipment as claimed in claim 6 is characterized in that, half submergence cycle was regulated according to twice fluid ejection time interval, in the time interval of twice fluid ejection, was controlled between 20 seconds-60 seconds.
8. the gravity coating film system in the composite grain molding equipment as claimed in claim 1, it is characterized in that, described grease is collected in the step, the grease of diafiltration is collected by the oil tank of a lower floor, and, the oil inlet passage of this oil tank directly links to each other with oil-collecting notch on the conveyer belt, prevents that coating oil is subjected to transmitting the pollution of machinery.
9. the gravity coating film system in the composite grain molding equipment as claimed in claim 1 is characterized in that, in the grease reuse step, grease with this lower floor's oil tank collection, be back to the upper strata oil tank by oil pump, flow down via the fluid throttle valve control again, come back to the oil film coating step.
10. as the gravity coating film system in any described composite grain molding equipment among the claim 1-9, it is characterized in that the coating grease that is adopted is a soya-bean oil, olive oil, rapeseed oil, through the lard of essence filter, the mixture of one or more in the butter of essence filter.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715250A (en) * | 2012-05-24 | 2012-10-10 | 苏州金记食品有限公司 | Molding and cutting machine for steamed bean curd rolls |
| CN110692368A (en) * | 2019-09-30 | 2020-01-17 | 凤台县丁集乡考传岑农业机械服务专业合作社 | Rice threshing and drying device and using method thereof |
| CN114055836A (en) * | 2021-12-08 | 2022-02-18 | 朱涛 | Metal additive for aluminum alloy |
-
2009
- 2009-06-11 CN CN2009100529283A patent/CN101919577A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715250A (en) * | 2012-05-24 | 2012-10-10 | 苏州金记食品有限公司 | Molding and cutting machine for steamed bean curd rolls |
| CN102715250B (en) * | 2012-05-24 | 2014-03-12 | 苏州金记食品有限公司 | Molding and cutting machine for steamed bean curd rolls |
| CN110692368A (en) * | 2019-09-30 | 2020-01-17 | 凤台县丁集乡考传岑农业机械服务专业合作社 | Rice threshing and drying device and using method thereof |
| CN114055836A (en) * | 2021-12-08 | 2022-02-18 | 朱涛 | Metal additive for aluminum alloy |
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Application publication date: 20101222 |