In the manufacturing of extruded feed, the major tools is a screw fish feed pellet extruder. The product is fed right into the fish feed pellet extruder, as well as the screw screw pushes the product to develop an axial flow.
At the same time, as a result of the mechanical friction between the screw and the material, the material and the barrel, and the product inside the product, the product is highly pressed, stirred, and also sheared, and also as a result, the material is further fine-tuned and also co-opted.
As the stress progressively raises, the temperature level enhances appropriately. When the paste product is ejected from the die hole, under the activity of a solid stress distinction, the product is blown by floating fish feed making machine, dried out and also cooled down. The puffed product is loose, porous, crisp, as well as has excellent palatability and also taste.
The fish feed pellet extruder puffing technology breaks through the standard processing modern technology, makes the physical residential properties of the feed change qualitatively, greatly promotes the advancement of the feed processing sector and also the breeding market, and also is a major advancement in the feed market.
The fish feed pellet extruder blowing procedure is a procedure that integrates numerous procedures such as mixing, massaging, shearing, heating, as well as cooling. The following is a details analysis from the facets of density control, automatic control as well as energy saving as well as usage decrease.
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1. Thickness control innovation
In the extrusion procedure of fish feed pellet extruder, there are lots of factors that impact the density of feed, such as refining modern technology, fish feed pellet extruder devices, processing parameters, process control, feed resources, formula and so forth.
It is possible to regulate the item density by transforming the raw product or formula, however it has little application value; by transforming the screw setup, the density control of the extruded feed item can be recognized, however the operation is bothersome. Thickness control can additionally be attained by changing the operating criteria.
On top of that, in the fish feed pellet extruder processing of marine feed, in order to satisfy the feeding requirements of marine animals, the ups and downs of aquatic feed must be controlled, and also the ups and also downs of feed are closely pertaining to thickness, so density control is used in the manufacturing of water extruded feed.
Technology is especially essential. Presently, managing the thickness of extruded products is primarily attained by controlling the pressure as well as temperature level. The major approaches are as complies with:
( 1 )Open a stress relief opening on the squeezing out dental caries, as well as plug the pressure relief opening when generating drifting feed, so regarding fulfill the requirements of high temperature and high pressure for handling floating feed.
Open up the stress relief opening when feeding, to ensure that when the material gets to the stress relief hole, the stress in the sleeve is partially launched, as well as at the same time, some water vapor is likewise discharged from the pressure relief hole.
These materials are extruded by fish feed pellet extruder to the end of the extruding cavity and after that compressed to obtain a heavy feed with high mass thickness. This stress relief hole can additionally be utilized to leave, to ensure that the product loses part of the water vapor during the forced activity.
This fish feed pellet extruder procedure method realizes the control of the thickness of the extruded product by controlling the pressure in the extruding cavity, and the result will not be impacted because the feeding quantity does not require to be reduced.
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( 2) A stress regulating device is included the floating fish feed extruder machine (pressurization before the die). The stress law of the fish feed pellet extruder is to install a shut-off shutoff in between the extrusion dental caries as well as the discharge layout to adjust the stress distinction in between the extrusion tooth cavity and also the outside of the extrusion tooth cavity.
( 2 ) Stress reducing modern technology (post-mold stress). A new sort of density control system was created for aquafeed. This density control system of fish feed pellet extruder adopts pressurized reducing modern technology to keep a certain favorable stress in the cutting chamber.
When the product goes into the cutting chamber from the puffing chamber, since the boiling point of water enhances with the stress, the flash dissipation can be lowered to control the degree of growth of the product, and also the starch particles are promptly strengthened in the cutting chamber, as well as the material no longer goes into the regular pressure from the cutting chamber.
The positive pressure of the reducing chamber can be understood by inputting pressed air with an air pump, as well as the fan can be shut off when releasing.
This fish feed pellet extruder procedure approach stays clear of regulating various other factors that affect the level of growth, consequently reducing the need for hands-on procedure, and at the same time, the controllability is stronger than various other approaches.
Presently, this new fish feed pellet extruder innovation has not been used in China, yet this innovation is superior to the exhaust technique in terms of thickness control of extruded products and also operation and use, and also is a new direction for the advancement of extruded innovation.
( 4) Managing the opening price of the layout. By changing the opening price of the discharge theme, the pressure distinction before and after the template can be transformed, so regarding attain the objective of controlling the thickness of the item. The hole is blocked.
2. Automatic control of fish feed extrusion process
The automated control of the fish feed pellet extruder extrusion process refers to the quick and precise control of the procedure specifications by equipping the extrusion equipment with a computer-aided control system.
The application of automated control modern technology in the fish feed pellet extruder blowing process can not only enhance work performance, however likewise improve item top quality stability. Versions of automated control in the house as well as abroad.
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There are research studies on all sides. The automated control modern technology of the fish feed pellet extruder blowing procedure has made excellent development, and a visualization control system of the puffing procedure has been developed. The extruding system of fish feed pellet extruder based upon solution commercial configuration software program realizes the aesthetic control of the squeezing out procedure
The sensing unit can be made use of to perform on-site discovery and responses on the operating criteria of the fish feed pellet extruder, automatically adjust the appropriate functioning specifications of the floating fish feed pellet equipment, and also recognize various preset by the operator.
Functioning specifications, with formula storage, record printing, alarm, dynamic screen and also recording of working criteria. Foreign computer system automatic control innovation has actually already been applied in the field of feed processing
In the whole fish feed pellet extruder procedure, it has been established from a solitary computer control system to an advanced automated control system, which can present color images in the main control area, computer system program control and communication network for floating fish feed making machine operation, it can complete all production procedures without unmanned procedure.
Generally, the automated control of puffing in feed processing abroad has actually been establishing towards the instructions of incorporating with item quality.
While the intro of computers in my nation is mostly to fix the trouble of manufacturing automation, just focusing on the monitoring of equipment operation in the manufacturing procedure and also the control of stand-alone tools. It has not played its due function in improving product high quality as well as other aspects.
3. Power saving in extrusion procedure.
The problem of energy conserving as well as usage decrease is the research study focus in the fish feed pellet extruder extrusion process.
Presently, it is mainly via the research study of reduced energy usage processing innovation as well as the influence of major procedure parameters on energy usage, and also the establishment of corresponding mathematical versions to attain the purpose of energy saving and also intake decrease.
In order to decrease the energy usage in the fish feed pellet extruder puffing process, some residential feed makers generally take measures from the procedure. For example, in the manufacturing procedure of nursing pig feed, the corn raw material made use of is not complete puffed product, but part of the puffed product and part of the traditional material.
In the later fish feed pellet extruder granulation procedure, processes such as expansion and low temperature level granulation are utilized to make sure that the energy consumption each product is reduced.
From the above evaluation, it can be seen that it is still a bottleneck trouble exactly how the process criterion study in the fish feed pellet extruder blowing procedure can be symbolized in minimizing energy consumption and can be understood in real manufacturing.
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