Raw material screening device for PE water supply pipe production and manufacturing

A technology of screening device and water supply pipe, which is applied in the fields of filter screen, solid separation, chemical instruments and methods, etc., can solve the problems of large screening device, time-consuming and laborious replacement of screen mesh, etc., and achieve the effect of reducing the discharge speed.

Pending Publication Date: 2022-07-29
LIANSU TECH DEV GUIYANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are many types of PE water supply pipes, and the raw materials of different types of PE water supply pipes are also different, and the particle sizes of common PE raw materials such as PE80 and PE100 are also different, so when the staff is on different models When raw materials are added, it is necessary to replace the screen for sieving raw materials. Since the screening device is generally large, it is very time-consuming and laborious to replace the screen.

Method used

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  • Raw material screening device for PE water supply pipe production and manufacturing
  • Raw material screening device for PE water supply pipe production and manufacturing
  • Raw material screening device for PE water supply pipe production and manufacturing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1: The polyethylene particles are screened by coating type blanking.

[0038] Specifically, the controller 45 controls the suction pump 16 to start, the suction pump 16 extracts the polyethylene particles inside the polyethylene particle distribution box 3 through the suction pipe 17 , and the polyethylene particles enter the feeding pipe 19 through the conveying telescopic pipe 18 Inside, the feeding pipe 19 transports the polyethylene particles into the screening box 2 for screening. At this time, the controller 45 controls the atomization motor 23 to start, and the atomization motor 23 extracts the low molecular weight additive storage box 22 through the atomization pipe 24. Internal low molecular weight additives, low molecular weight can reduce the force between macromolecular chains, reduce the melt viscosity, and reduce the viscous fluidization temperature. Inside the pipe 26, the shunt pipe 26 sprays the low-molecular-weight additive into the screening b...

Embodiment 2

[0039] Embodiment 2, based on the above-mentioned embodiment, separate discharge of polyethylene particles is carried out.

[0040]Specifically, the controller 45 controls the heating rod 41 to start, the heating rod 41 heats the air inside the heating box 40 , the temperature inside the heating box 40 increases, and the heat is conducted into the storage copper plate 42 through the storage copper column 43 and the heat conduction copper column 44 respectively. And the inside of the melted copper corrugated board 35, the temperature of the melted copper corrugated board 35 and the storage copper board 42 rises to melt and filter the polyethylene particles, and the polyethylene particles fall into the material opening 37 through the unloading port 20, and the smaller polyethylene The particles directly fall into the upper wall of the thermal insulation board 31 through the material opening 37 for storage, while the larger polyethylene particles are melted under the action of the...

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PUM

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Abstract

The raw material screening device for PE water supply pipe production and manufacturing comprises a bottom plate, a screening box, a polyethylene particle distribution box, a viscosity reduction type feeding mechanism and a molten material uniform screening mechanism, the screening box is arranged above the bottom plate, and the polyethylene particle distribution box is arranged on the upper wall of the portion, on one side of the screening box, of the bottom plate; the viscosity reduction type feeding mechanism is arranged on the polyethylene particle distribution box, the molten material uniform screening mechanism is arranged on the screening box, and the viscosity reduction type feeding mechanism comprises a feeding screening mechanism and a low molecule spraying mechanism. The invention belongs to the technical field of PE water supply pipe production, and particularly relates to a raw material screening device for PE water supply pipe production and manufacturing. According to the raw material screening device for PE water supply pipe production and manufacturing, polyethylene particles are screened and used in a separation mode, and the melt viscosity can be effectively reduced, and flowing storage can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of PE water supply pipe production, in particular to a raw material screening device for the production and manufacture of PE water supply pipes. Background technique [0002] PE water supply pipe is a water pipe structure made of polyethylene as the main raw material. The polyethylene material has the characteristics of high strength, corrosion resistance, non-toxicity, etc. PE water supply pipe is widely used, and because it will not rust, it is an alternative to It is an ideal pipe for ordinary iron water supply pipes. Before the injection molding raw materials of the pipes enter the injection molding machine, in order to ensure that the raw materials can be completely melted within the specified melting time, the particle size of the PE raw materials entering the injection molding machine needs to be strictly controlled. Avoid the simultaneous addition of larger particle size and smaller particle size ma...

Claims

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Application Information

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IPC IPC(8): B29C45/18B29B13/10B29B13/02B07B1/28
CPCB29C45/18B29B13/10B29B13/022B07B1/28
Inventor 黄海黄永锋祖涛魏敏
Owner LIANSU TECH DEV GUIYANG
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