In the manufacturing of extruded feed, the primary tools is a screw fish feed pellet extruder. The material is fed into the fish feed pellet extruder, and the screw screw pushes the material to create an axial flow.
At the same time, due to the mechanical rubbing between the screw and also the product, the material as well as the barrel, and the product inside the product, the product is strongly squeezed, stirred, and sheared, and also because of this, the material is further improved and co-opted.
As the pressure progressively boosts, the temperature level increases appropriately. When the paste material is expelled from the die hole, under the activity of a solid pressure distinction, the product is puffed by drifting fish feed making device, dehydrated and also cooled. The puffed item is loose, permeable, crisp, and also has great palatability and also flavor.
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The fish feed pellet extruder puffing modern technology breaks through the conventional processing innovation, makes the physical properties of the feed change qualitatively, significantly advertises the advancement of the feed processing industry as well as the reproducing market, and also is a major innovation in the feed market.
The fish feed pellet extruder blowing process is a process that incorporates different procedures such as mixing, kneading, shearing, heating, and also cooling. The following is a particular evaluation from the aspects of density control, automatic control and also power saving and also intake decrease.
1. Density control innovation
In the extrusion process of fish feed pellet extruder, there are several aspects that influence the thickness of feed, such as processing innovation, fish feed pellet extruder devices, processing criteria, procedure control, feed raw materials, formula and so on.
It is possible to manage the product density by transforming the raw product or formula, however it has little application worth; by transforming the screw arrangement, the density control of the extruded feed item can be understood, yet the procedure is bothersome. Thickness control can additionally be achieved by changing the operating criteria.
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Additionally, in the fish feed pellet extruder processing of water feed, in order to fulfill the feeding requirements of marine animals, the ups and downs of marine feed ought to be regulated, as well as the ups as well as downs of feed are closely related to thickness, so thickness control is applied in the manufacturing of marine extruded feed.
Technology is specifically vital. Presently, controlling the density of extruded items is primarily attained by managing the stress and temperature level. The major methods are as complies with:
( 1 ) Open up a pressure relief hole on the squeezing out tooth cavity, and also plug the stress alleviation hole when creating drifting feed, so regarding satisfy the needs of high temperature and also high pressure for processing floating feed.
Open up the pressure relief opening when feeding, to make sure that when the product gets to the stress alleviation hole, the pressure in the sleeve is partially released, as well as at the same time, some water vapor is likewise discharged from the stress relief hole.
These products are squeezed out by fish feed pellet extruder to the end of the squeezing out cavity and after that compressed to obtain a heavy feed with high mass thickness. This stress alleviation opening can also be used to leave, to make sure that the material loses part of the water vapor throughout the forced activity.
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This fish feed pellet extruder process approach understands the control of the density of the extruded product by controlling the pressure in the extruding tooth cavity, as well as the result will certainly not be impacted due to the fact that the feeding amount does not need to be minimized.
( 2) A pressure controling tool is included the drifting fish feed extruder equipment (pressurization prior to the die). The pressure guideline of the fish feed pellet extruder is to set up a shut-off shutoff in between the extrusion cavity and the discharge template to readjust the pressure difference in between the extrusion tooth cavity and also the outside of the extrusion cavity.
( 3 ) Stress cutting innovation (post-mold stress). A brand-new kind of thickness control system was developed for aquafeed. This density control system of fish feed pellet extruder embraces pressurized reducing modern technology to maintain a particular positive pressure in the cutting chamber.
When the product enters the cutting chamber from the puffing chamber, because the boiling point of water increases with the pressure, the flash dissipation can be reduced to control the degree of growth of the material, as well as the starch particles are promptly solidified in the reducing chamber, and the material no longer gets in the normal pressure from the cutting chamber.
The positive pressure of the cutting chamber can be understood by inputting pressed air with an air pump, and also the fan can be shut off when releasing.
This fish feed pellet extruder procedure technique avoids managing various other variables that affect the degree of growth, thereby minimizing the requirement for hand-operated procedure, and at the same time, the controllability is more powerful than various other approaches.
Today, this brand-new fish feed pellet extruder technology has actually not been used in China, but this modern technology transcends to the exhaust technique in regards to density control of extruded products and operation and also usage, as well as is a new instructions for the growth of extruded modern technology.
( 4) Controlling the opening price of the template. By altering the opening rate of the discharge design template, the pressure distinction before and also after the design template can be altered, so as to accomplish the function of regulating the thickness of the product. The hole is blocked.
2. Automatic control of fish feed extrusion process
The automatic control of the fish feed pellet extruder extrusion process describes the quick and also exact control of the procedure parameters by equipping the extrusion equipment with a computer-aided control system.
The application of automated control innovation in the fish feed pellet extruder puffing process can not only improve work effectiveness, but additionally enhance item top quality stability. Versions of automated control in your home as well as abroad
There are research studies on all sides. The automatic control innovation of the fish feed pellet extruder puffing procedure has actually made excellent progress, and also a visualization control system of the puffing process has actually been created. The squeezing out system of fish feed pellet extruder based upon repair commercial arrangement software program realizes the visual control of the squeezing out procedure
The sensor can be used to carry out on-site detection and also feedback on the operating parameters of the fish feed pellet extruder, instantly change the pertinent functioning parameters of the drifting fish feed pellet maker, as well as recognize various pre-programmed by the driver.
Functioning specifications, with formula storage space, record printing, alarm system, dynamic display screen and recording of working parameters. Foreign computer automatic control modern technology has actually already been applied in the field of feed processing
In the entire fish feed pellet extruder process, it has actually been created from a single computer control system to an sophisticated automated control system, which can present shade images in the main control area, computer system program control and interaction network for drifting fish feed making maker operation, it can finish all manufacturing treatments without unmanned operation.
As a whole, the automatic control of blowing in feed processing abroad has actually been developing towards the instructions of incorporating with item quality.
While the intro of computer systems in my nation is primarily to resolve the issue of production automation, only concentrating on the monitoring of equipment procedure in the production process and the control of stand-alone tools. It has actually not played its due role in enhancing item quality and also other facets.
3. Power saving in extrusion process.
The trouble of energy conserving and also consumption decrease is the study focus in the fish feed pellet extruder extrusion process.
Today, it is mostly through the research study of low energy intake processing technology and also the influence of major process specifications on power consumption, and also the establishment of equivalent mathematical designs to accomplish the purpose of energy conserving and also consumption decrease.
In order to decrease the energy consumption in the fish feed pellet extruder puffing procedure, some domestic feed makers mostly take measures from the procedure. For example, in the production procedure of suckling pig feed, the corn raw material utilized is not full puffed material, yet part of the puffed product as well as part of the conventional material.
In the later fish feed pellet extruder granulation process, procedures such as development as well as low temperature level granulation are used to guarantee that the power intake per unit item is lowered.
From the above evaluation, it can be seen that it is still a traffic jam issue just how the procedure specification research in the fish feed pellet extruder puffing process can be embodied in minimizing energy usage as well as can be recognized in actual manufacturing.
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