In the manufacturing of extruded feed, the major tools is a screw fish feed pellet extruder. The material is fed right into the fish feed pellet extruder, and the screw screw presses the product to form an axial circulation.
At the same time, as a result of the mechanical rubbing in between the screw and also the material, the material and the barrel, and the material inside the product, the product is strongly squeezed, stirred, and sheared, and as a result, the material is further improved as well as co-opted.
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As the stress slowly raises, the temperature increases accordingly. When the paste material is ejected from the die hole, under the action of a strong stress difference, the product is blown by floating fish feed making equipment, dehydrated and cooled. The puffed product is loose, porous, crisp, as well as has great palatability and also flavor.
The fish feed pellet extruder blowing innovation appear the typical handling innovation, makes the physical properties of the feed modification qualitatively, considerably promotes the development of the feed handling industry as well as the reproducing industry, and is a significant development in the feed market.
The fish feed pellet extruder puffing process is a process that incorporates various procedures such as blending, kneading, shearing, home heating, and also air conditioning. The following is a particular evaluation from the elements of thickness control, automated control and energy conserving and also consumption decrease.
1. Density control modern technology
In the extrusion procedure of fish feed pellet extruder, there are many variables that influence the density of feed, such as processing modern technology, fish feed pellet extruder equipment, refining parameters, process control, feed resources, formula and so forth.
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It is viable to manage the item density by transforming the raw product or formula, but it has little application value; by changing the screw arrangement, the thickness control of the extruded feed item can be recognized, but the procedure is bothersome. Thickness control can likewise be achieved by changing the operating specifications.
In addition, in the fish feed pellet extruder processing of water feed, in order to satisfy the feeding demands of water animals, the ups and downs of aquatic feed ought to be managed, and the ups as well as downs of feed are carefully pertaining to thickness, so density control is used in the production of water extruded feed.
Innovation is especially vital. Presently, managing the density of extruded products is primarily achieved by controlling the stress and temperature. The major approaches are as complies with:
( 1 ) Open up a pressure alleviation opening on the extruding cavity, as well as plug the pressure relief hole when producing floating feed, so regarding meet the requirements of heat as well as high pressure for handling drifting feed.
Open up the pressure relief hole when feeding, to ensure that when the material gets to the stress alleviation hole, the pressure in the sleeve is partly released, and at the same time, some water vapor is likewise discharged from the pressure alleviation hole.
These materials are squeezed out by fish feed pellet extruder to the end of the squeezing out cavity and after that compacted to get a heavy feed with high mass density. This pressure alleviation hole can additionally be made use of to leave, to make sure that the material sheds part of the water vapor throughout the forced motion.
This fish feed pellet extruder process technique understands the control of the thickness of the extruded item by managing the pressure in the squeezing out cavity, as well as the outcome will certainly not be impacted since the feeding quantity does not require to be reduced.
( 2) A stress controling tool is included the floating fish feed extruder device (pressurization before the die). The stress regulation of the fish feed pellet extruder is to mount a shut-off shutoff between the extrusion dental caries as well as the discharge layout to readjust the pressure distinction in between the extrusion cavity and also the beyond the extrusion tooth cavity.
( 2 )Pressure reducing technology (post-mold stress). A new kind of density control system was created for aquafeed. This density control system of fish feed pellet extruder adopts pressurized reducing innovation to preserve a particular positive pressure in the cutting chamber.
When the material goes into the reducing chamber from the puffing chamber, because the boiling point of water enhances with the stress, the flash evaporation can be decreased to manage the level of growth of the material, and the starch particles are instantly strengthened in the cutting chamber, as well as the material no more enters the regular stress from the reducing chamber.
The positive stress of the cutting chamber can be realized by inputting pressed air with an air pump, and also the follower can be turned off when discharging.
This fish feed pellet extruder process technique avoids controlling other variables that influence the level of growth, therefore reducing the need for hands-on operation, and also at the same time, the controllability is stronger than other approaches.
Currently, this new fish feed pellet extruder modern technology has not been applied in China, yet this innovation transcends to the exhaust technique in regards to density control of extruded items and operation as well as usage, and also is a new direction for the growth of extruded modern technology.
( 4) Managing the opening price of the theme. By transforming the opening rate of the discharge template, the pressure difference before as well as after the theme can be altered, so as to achieve the purpose of regulating the thickness of the item. The hole is blocked.
2. Automatic control of fish feed extrusion procedure
The automatic control of the fish feed pellet extruder extrusion procedure describes the quick and also exact control of the process specifications by equipping the extrusion tools with a computer-aided control system.
The application of automatic control innovation in the fish feed pellet extruder blowing process can not only boost work effectiveness, yet additionally enhance product high quality stability. Models of automated control in your home and abroad
There are research studies on all sides. The automated control technology of the fish feed pellet extruder blowing procedure has made terrific development, as well as a visualization control system of the puffing process has been developed. The extruding system of fish feed pellet extruder based upon FIX industrial configuration software application recognizes the aesthetic control of the squeezing out procedure
The sensor can be used to carry out on-site detection and responses on the operating specifications of the fish feed pellet extruder, instantly change the pertinent working criteria of the floating fish feed pellet maker, and also understand numerous predetermined by the driver.
Working criteria, with formula storage space, record printing, alarm, vibrant display screen and recording of working specifications. Foreign computer automated control innovation has actually already been used in the field of feed handling
In the entire fish feed pellet extruder process, it has been established from a single computer control system to an innovative automatic control system, which can show color images in the main control space, computer program control as well as communication network for drifting fish feed making maker operation, it can finish all production procedures without unmanned procedure.
In general, the automatic control of puffing in feed processing abroad has actually been establishing in the direction of the direction of incorporating with item quality.
While the introduction of computer systems in my country is generally to address the issue of production automation, just concentrating on the surveillance of equipment operation in the production process and the control of stand-alone tools. It has not played its due function in improving item quality as well as various other aspects.
3. Energy conserving in extrusion procedure.
The issue of power conserving as well as usage reduction is the research study focus in the fish feed pellet extruder extrusion procedure.
Currently, it is mainly with the study of reduced power consumption handling innovation and also the influence of main process criteria on energy intake, and also the establishment of matching mathematical models to attain the purpose of power saving as well as intake reduction.
In order to decrease the energy consumption in the fish feed pellet extruder blowing process, some domestic feed producers generally take measures from the process. For instance, in the production process of suckling pig feed, the corn raw material used is not full puffed material, but part of the puffed material as well as part of the standard material.
In the later fish feed pellet extruder granulation process, processes such as growth and low temperature granulation are utilized to guarantee that the power consumption per unit item is lowered.
From the above analysis, it can be seen that it is still a traffic jam trouble exactly how the procedure parameter research in the fish feed pellet extruder blowing procedure can be personified in reducing power consumption and can be understood in actual manufacturing.
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