Extrusion device for dry type granulator

A technology of dry granulator and extrusion device, which is applied in the direction of raw material extrusion granulation, mold extrusion granulation, etc., and can solve problems such as overflow, uneven density, uneven density, thickness, and poor extrusion quality of products, etc. problems, to achieve uniform density, ensure continuity, and ensure the effect of pressure balance

Active Publication Date: 2015-03-04
CHANGZHOU YIBU DRYING EQUIP
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  • Description
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AI Technical Summary

Problems solved by technology

In the prior art, during the extrusion process, the material will inevitably cause overflow, uneven density, and material adhesion to the surface of the extrusion wheel. At the same time,

Method used

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  • Extrusion device for dry type granulator
  • Extrusion device for dry type granulator

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[0015] The present invention will now be described in further detail with reference to the drawings. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0016] Such as figure 1 As shown, a preferred embodiment of an extrusion device for a dry granulator of the present invention includes an upper box body 1, a lower box body 2, an extrusion wheel 3, an extrusion wheel 4, a hydraulic cylinder seat 5. Hydraulic cylinder 6, hydraulic control system and guide column 7. The hydraulic cylinders 6 are fixedly installed above the lower box body 2 through supports. There are 4 guide posts 7 in total, which are installed between the hydraulic cylinder seat 5 and the lower box body 2 symmetrically. The upper box body 1 is provided with four guide holes 8 correspondingly. The upper box body 1 is sleeved on the guide column 7 throug...

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Abstract

The invention relates to an extrusion device for a dry type granulator. The extrusion device comprises an upper tank body, a lower tank body, an extrusion wheel 1, an extrusion wheel 2, a hydraulic cylinder block, a hydraulic cylinder and a hydraulic control system, wherein the hydraulic cylinder block is assembled above the lower tank body; the upper tank body is arranged between the lower tank body and the hydraulic cylinder block; the extrusion wheel 1 is assembled on the lower tank body; the extrusion wheel 2 is assembled on the upper tank body; one end of the hydraulic cylinder is assembled on the hydraulic cylinder block; the other end of the hydraulic cylinder is connected with the upper tank body; the hydraulic cylinder is provided with an oil inlet end 1 and an oil inlet end 2; the hydraulic control system comprises an oil tank, a hydraulic pump and a direction valve, which are sequentially connected in series; the direction valve is connected with the oil inlet end 1 and the oil inlet end 2; a branch circuit composed of a pressure transmitter, a control valve and an energy accumulator is connected between the hydraulic cylinder and the direction valve in parallel; the pressure transmitter is used for collecting the pressure of the hydraulic cylinder and feeding the pressure back to the control valve; and the control valve is used for controlling opening and closing of the energy accumulator to supplement or release the pressure of hydraulic oil, thus automatic pressure supplement and automatic clearance adjustment of the extrusion device are achieved; and the extruded material is relatively uniform in thickness and compactness.

Description

technical field [0001] The invention relates to an extrusion device, in particular to an extrusion device for a dry granulator. Background technique [0002] In the dry granulator, the extrusion device includes a hydraulic system driven by a motor to apply high pressure to the extrusion wheel set. After the material enters the extrusion device, it is squeezed by the extrusion wheel set to obtain the desired state of the material. In the prior art, during the extrusion process, the material will inevitably cause overflow, uneven density, and material adhesion to the surface of the extrusion wheel. At the same time, it will also affect the work of the extrusion wheel, resulting in changes in the clearance of the extrusion wheel, density, The thickness is uneven, resulting in poor extrusion quality of the product. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an extrusion device for a dry granulator with uniform ...

Claims

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Application Information

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IPC IPC(8): B01J2/20
CPCB01J2/20B01J2/22
Inventor 宫伟宏查国才
Owner CHANGZHOU YIBU DRYING EQUIP
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