CN2453695Y

CN2453695Y - Tikitiki extruding-puffing machien

Info

Publication number: CN2453695Y
Application number: CN00260566U
Authority: CN
Inventors: 周海军
Original assignee: Chinese Academy of Agricultural Mechanization Sciences
Current assignee: Chinese Academy of Agricultural Mechanization Sciences
Priority date: 2000-11-24
Filing date: 2000-11-24
Publication date: 2001-10-17
Anticipated expiration: 2010-11-24

Abstract

The utility model discloses a rice bran extruding puffing machine, which is characterized in that a feeder is installed in the front of a feeding hole; a feeding stirring cage in the feeder is controlled by a feeding motor provided with a frequency control device; one or a plurality of steam injecting holes are arranged on a puffing barrel body; the steam injecting hole is communicated with a steam input duct and valve used for controlling steam inlet quantity; a combined type fast opening templet is installed at the discharge port of the puffing barrel body. When the utility model is used for processing rice bran, the output of the rice bran is large; the utility model has the advantages of energy saving and long service life of components.

Description

A kind of squeezing and puffing rice bran machine

The utility model relates to processing device for rice bran, relates in particular to the squeezing and puffing rice bran machine.

Rice bran is the accessory substance of husk rice processing, and Main Ingredients and Appearance is chaff skin and rice plumule.Owing to contain active lipolytic enzyme in the rice bran, can make the contained oil content of rice bran resolve into free fatty rapidly and become sour rottenly, influence the use value of the made grease of rice bran and the chaff dregs of rice.Therefore, effectively utilizing the key of rice bran oil resource is to solve its stability problem.

The activity methods of existing inhibition and passivation lipase is the expanded method of dry type.As the processing of rice bran and the equipment of iowa,usa state Triple F. INC., (US) 10301 Dennis Drive, Des Moines, Iowa U.S.A., the patent No. is ZL86105295; The rice bran processing apparatus patent of California, USA Bridy International Corp, the patent No. are ZL88106295.The characteristics of dry method bulking machine are: rice bran is in bulking machine, be squeezed, friction effect, density constantly increases, gas in the material gap is extruded, and material is subjected to shear action and produces backflow after void gas is filled, and the pressure of machine thorax is increased, mechanical energy is converted into heat energy simultaneously, the rice bran temperature is raise about 130 ℃, quick-fried through the moment spray, formed puffed rice bran with certain intensity.Lipolytic enzyme class material in the rice bran is lost activity, protein denaturation, starch gelatinization is destroyed eucaryotic cell structure grease is diffused out, and reaches the stabilizing rice bran quality and helps solvent-extracted purpose.The dry extruder major defect is that treating capacity is little, energy consumption big, main working parts is short service life; And expanded leaching effect is bad, and fresh-keeping effect is poor.

It is big that goal of the invention of the present utility model provides a kind of processing rice bran treating capacity, expanded leaching and good refreshing effect, and energy-conservation wet method rice bran expansion machine, the parts long service life of this machine, stable performance.

To achieve these goals, the utility model provides a kind of squeezing and puffing rice bran machine, mainly form by the expanded cylindrical shell of closed screw extrusion that has charging aperture and discharging opening, the spiral pusher that is driven by drive unit is installed in the described cylindrical shell, its characteristics are: before described charging aperture feeder is installed, the feeding screw feeder in the described feeder is by the feeding motor control that has RHVC; On described expanded cylindrical shell, have a place or many places steam hand-hole, the valve UNICOM of described steam hand-hole and steam input pipe road and control throttle flow; At described expanded barrel discharge hole place the fast die sinking plate of combined type is installed.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are: described feeding motor and the main motor interlocking that drives described expanded cylindrical shell inside spin pusher.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are that described main motor drives described expanded cylindrical shell inside spin pusher by a big belt pulley and V-belt.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are that described expanded cylindrical shell adopts the branch body structure, and every section cylindrical shell connects by flange each other, and shear pin also is installed on the described cylindrical shell.

Above-mentioned squeezing and puffing rice bran machine is characterized in that screw rod adopts multistage screw-casing and mandrel split sleeve structure in the described spiral pusher.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are to be evenly distributed with a plurality of shoulder holes on described fast die sinking plate, and the nib lining is installed in described shoulder hole.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are: between described feeder and described expanded cylindrical shell charging aperture a concentration equipment is installed also.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are: at described air intake is 4.

Above-mentioned squeezing and puffing rice bran machine, its characteristics are that at described shoulder hole be 24.

Adopt the deficiency that has solved dry extruder behind the above-mentioned bulking machine, also absorbed the expanded law technology advantage of dry type simultaneously.In its feed system, feed system has been owing to adopted variable-frequency control technique, can be on a large scale inner equilibrium and regulate the feed quantity of material exactly, make the operation of start-stop car become easier.Feeding motor and main motor be mutually chain have been avoided before the main electric motor starting error starting feeding motor to shift to an earlier date feeding causing extruder to block; And when main motor stopped owing to accidentalia, feeding motor also can stop feeding because of interlocking.In the drive system part, with Y series 6 utmost point motor-driven, adopt the V-belt transmission once to slow down and put in place, saved complicated and expensive reductor parts, alleviated maintenance workload greatly, saved maintenance cost.Because big belt wheel has played the effect of flywheel, makes equipment operation more steady, has alleviated the impact of load to motor, has improved the condition of work of motor.At the machine barrel parts, machine barrel is divided into four sections by function and working condition.On the machine barrel three row shear pin plays shearing and the stirring action to material.The inner surface of machine barrel can make its longevity make prolongation through specially treated, and each section machine barrel connects with flange, is convenient to install and remove machine barrel, cleaning machine tube inner chamber and screw rod.Owing to be provided with a plurality of admission openings at bulking machine cylindrical shell place, under the control of valve, can from one or many places in body, spray into steam, like this, the effect that rice bran is not only mixed, shears, compresses in the bulking machine body, also be subjected to the effect of boiling, do not have tradition to press molten condition appearance in the process.Because water is the good heat transfer medium, rice bran moisture content is high more, and the hear resistance of enzyme is just poor more, and the enzyme effect of going out is just better.In addition, add steam and can also bring a part of heat into, the friction shear heat acting in conjunction that this part heat and rice bran produce makes the temperature of rice bran be elevated to temperature required rapidly.Screw rod adopts the structure of screw-casing and mandrel assembling, can require to adopt the combination of different structure spiral according to different process, has strengthened the adaptability of oil plant extruder; And, should this can only change several sections screw-casings of serious wear because the wearing and tearing of spiral are not uniformly at every turn, and simplified maintenance work, saved maintenance cost.At discharge system, rice bran is discharged with stable flow rate by fast die sinking plate after breaking away from screw rod.Fast die sinking plate adopts the quick change fabricated structure, can change template multi-form and size according to different output or technological requirement, to reach optimal expansion effect.

Following structure accompanying drawing further specifies embodiment of the present utility model:

Fig. 1 is a wet method extruder structural representation of the present utility model

Fig. 2 is the internal structure schematic diagram of expanded cylindrical shell among Fig. 1

Fig. 3 is a discharging opening die sinking board combining structure schematic diagram among Fig. 1

Fig. 4 be among Fig. 3 A to view

In Fig. 1,2,3 and 4, steam wet method rice bran expansion machine of the present utility model mainly is made up of fast die sinking plate 1, admission opening 2, expanded cylindrical shell 3, concentration equipment 4, feeder 5, feeding motor 51, stop valve 6, steam input pipe road 7, shear pin 8, expanded tube screw feeder 9, big belt pulley 10.The fixing template 11 of different size on fast die sinking plate 1 is evenly distributed with 24 shoulder holes on template 11, be lined with nib lining 12 in each shoulder hole.

Rice bran is through quantitative feeder 5 bufferings, enter expanded cylindrical shell 3 after sending into concentration equipment 4 deironing by feeding motor and feeding screw feeder, 4 admission openings 2 are arranged on bulking machine cylindrical shell 3, by 6 controls of 4 stop valves, steam sprays into an amount of steam by stop valve 6, steam input pipe road 7 in a place or the many places of expanded cylindrical shell 3.Like this, after a series of effects such as wet, the heat effect of mechanism such as rice bran is squeezed in the oil plant extruder, rubs with the hands, shears, pressurization and the steam that sprays into and frictional heat, at terminal fast die sinking plate 1 place of extruding screw, rice bran sharply expands, moisture evaporates rapidly and obtains loose porous and squeezing and puffing rice bran material that intensity is high.

The utility model compared with prior art has following advantage: 1, output is big, the output of expanded pretreating process depends mainly on the production capacity of bulking machine, the rice bran of dry method bulking machine processing at present ability is 8～20t/24hr, and the wet-process puffing machine single machine yield can reach 120t/24hr.The rice bran preliminary treatment workshop that output is 100t/24hr is if join the dry method bulking machine then about 5～13 of minimum needs, if join wet-process puffing machine then only anti-1.Through the production actual detected, the expanded material of the wet method basic proportion of giving money as a gift is 488Kg/m3, and the butt proportion of the expanded material of dry method is 380Kg/m3, and infuser is under same bed depth in the operation that leaches system oil like this, and the expanded output of wet method will improve more than 25%.2, power consumption is little, the supporting power of method bulking machine is about 45～55KW, and the supporting power of wet-process puffing machine is 90KW, rice bran preliminary treatment workshop with above-mentioned 100t/24hr is an example, the minimum supporting power of dry method bulking machine is 275KW, its power consumption is minimum to be more than 3 times of wet-process puffing machine, as to join lower its power consumption of dry method bulking machine of output will be bigger.3, parts long service life, mainly friction produces by parts mutual extrusion such as rice bran and machine barrel, spirals owing to the heat of dry method bulking machine, thereby bigger to the wearing and tearing of parts such as machine barrel, spiral, then need change spiral in general about 30 days, Mei Nian maintenance cost will be very high like this.Can reach the service life of main working parts such as the spiral of wet-process puffing machine and produce 20000 tons of rice brans, annual maintenance cost is very low.4, expanded material leaching effect is good, compare with dry method is expanded, structural better, loose porous by the expanded material that wet-process puffing machine is produced, grease fully leaks outside, and be difficult for forming powder, this material not only can not stop up the infuser screen, and the infiltration of solvent, diafiltration are good, and dregs of rice Residual oil is generally below 1.1%.Take off also difficult generation dust in the process and stop up condenser in the solvent steaming.5, good refreshing effect, by the following moisture of rice bran drying to 9% after the wet-process puffing machine processing, and after being cooled to normal temperature, its acid value increases slower, can store more than 60 days at normal temperatures.Like this, rice bran can be purchased in a large number in the peak period of paddy processing by rice bran processing factory, stores after elder generation is expanded again, avoided the peak period of paddy processing to purchase in a large number, or become sour because of can not in time processing after the purchase, cause the loss of raw material, the peak period does not have the situation of rice bran processing later again.

Claims

1, a kind of squeezing and puffing rice bran machine, mainly form by the expanded cylindrical shell of closed screw extrusion that has charging aperture and discharging opening, the spiral pusher that is driven by drive unit is installed in the described cylindrical shell, it is characterized in that: before described charging aperture feeder is installed, the feeding screw feeder in the described feeder is by the feeding motor control that has RHVC; On described expanded cylindrical shell, have a place or many places steam hand-hole, the valve UNICOM of described steam hand-hole and steam input pipe road and control throttle flow; At described expanded barrel discharge hole place the fast die sinking plate of combined type is installed.

2, squeezing and puffing rice bran machine according to claim 1 is characterized in that; Described feeding motor and the main motor interlocking that drives described expanded cylindrical shell inside spin pusher.

3, squeezing and puffing rice bran machine according to claim 2 is characterized in that described main motor drives described expanded cylindrical shell inside spin pusher by a big belt pulley and V-belt.

4, squeezing and puffing rice bran machine according to claim 1, its feature adopt at the described expanded cylindrical shell of hand and divide body structure, and every section cylindrical shell connects by flange each other, and shear pin also is installed on the described cylindrical shell.

5, squeezing and puffing rice bran machine according to claim 1 is characterized in that screw rod adopts multistage screw-casing and mandrel split sleeve structure in the described spiral pusher.

6, squeezing and puffing rice bran machine according to claim 1 is characterized in that being evenly distributed with a plurality of shoulder holes on described fast die sinking plate, and the nib lining is installed in described shoulder hole.

7, squeezing and puffing rice bran machine according to claim 1 is characterized in that: between described feeder and described expanded cylindrical shell charging aperture a concentration equipment is installed also.

8, squeezing and puffing rice bran machine according to claim 1 is characterized in that: at described air intake is 4.

9, squeezing and puffing rice bran machine according to claim 6 is characterized in that at described shoulder hole be 24.