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Extruder

A technology of extruding puffing machine and puffing chamber, which is applied in the fields of feed, food forming, food science, etc. It can solve the problems of poor adaptability to different materials and difficult adjustment of puffing chamber pressure, so as to avoid quality changes, improve the degree of ripening, and ensure The effect of quality balance

Active Publication Date: 2010-08-18
JIANGSU MUYANG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problems in the existing technology that the pressure in the extrusion chamber of the extrusion puffing machine is difficult to adjust and the adaptability to different materials is poor, and provides an extrusion puffing machine with high processing efficiency and good adaptability

Method used

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Experimental program
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Effect test

Embodiment 1

[0017] Such as figure 1 As shown, it is an extrusion puffing machine, which includes a motor 1, a transmission system 2, a feed port 3, an expansion chamber 4, and a discharge device. 4, the discharge device includes a discharge chamber 13 and a discharge template 12 arranged at the end of the discharge chamber, an extruding screw 16 is arranged in the puffing chamber 4, and the transmission system 2 is connected with the extruding screw 16 , a discharge control valve is also provided between the discharge device and the puffing chamber 4, the discharge control valve includes a valve body 9, the valve body 9 is provided with a valve chamber 5 that runs through the valve body 9 transversely, one side of the valve chamber 5 is connected to the puffing chamber The rear ends of the cavity 4 are connected, and the other side of the valve cavity 5 is connected to the discharge cavity 13; the valve body 9 is also provided with a valve core installation hole that runs through the valv...

Embodiment 2

[0023] Such as Figure 5 As shown, there are two discharge control valves, a tee 17 is provided between the rear end of the puffing chamber 4 and the discharge control valve, and the other two passages of the tee 17 are respectively connected to the discharge control valve one 15A, The discharge cavity 13 of the discharge control valve 2 15B is connected.

[0024] When working, the discharge control valve 1 15A can be in the closed state, and the discharge control valve 2 15B can be in the flow state. The material enters and is extruded from the discharge template 12 of the discharge control valve 2 15B in the flow-through state. At this time, the discharge device corresponding to the closed discharge control valve 15A can be overhauled and the discharge template 12 can be replaced; there is no need to stop for maintenance, which ensures the normal operation of the extrusion extruder, thereby realizing the efficiency of the extrusion extruder improve. It is also possible to...

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Abstract

The invention discloses an extruder in the field of grain feed machinery, which comprises a transmission system, a feed inlet, an extrusion cavity and a discharge device. The feed inlet is formed at the front end of the extrusion cavity; the discharge device is arranged at the rear end of the extrusion cavity; a discharging control valve is also arranged between the discharge device and the extrusion cavity; the discharging control valve comprises a valve body; and the valve body is provided with a valve cavity which transversely passes through the valve body. One side of the valve cavity is connected with the rear end of the extrusion cavity, and the other side of the valve cavity is connected with a discharging cavity in the discharge device. A spool mounting hole which longitudinally passes through the valve body is also formed on the valve body, and is intersected with the valve cavity; a lifting spool is arranged inside the spool mounting hole in a matching mode; the middle of the spool is provided with a transverse runner; the lower part of the spool is provided with a downward discharge channel; a side hole of which the opening faces one side of the extrusion cavity is formed on the upper part of the discharge channel; and a lifting regulating device is connected to the upper part of the spool. The extruder can regulate the pressure in the extrusion cavity, flow away materials by a bypass, and guarantee the balanced quality of extrusion processing.

Description

technical field [0001] The invention relates to an extruding and expanding equipment in the field of food and feed machinery, and is especially suitable for extruding and expanding machines that need to frequently adjust the extruding pressure. Background technique [0002] Extrusion technology has long been widely used in the field of food and feed processing. In the prior art, in order to obtain extruded puffed products of various sizes and densities with high gelatinization degree, the material is firstly passed through a conditioner using water and steam for conditioning, and the material is mixed with water, water and steam in the conditioner. The steam is fully contacted and penetrated, and after a certain period of time, the material is pre-gelatinized to a certain extent, and the pre-gelatinized material enters the screw extruder for extrusion. Existing screw extruders include single-screw extruders, twin-screw extruders and multi-screw extruders. The core part of ...

Claims

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Application Information

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IPC IPC(8): A23P1/14A23P1/12A23N17/00A23P30/34
Inventor 马亮
Owner JIANGSU MUYANG GRP CO LTD
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