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Stone pipe and preparation method thereof

A pipe and stone technology, applied in the field of stone pipe and its preparation, can solve the problems of environmental pollution, cumbersome production process, poor surface finish, etc., and achieve the effect of simple production process, high surface finish and good comprehensive performance

Inactive Publication Date: 2012-11-07
KUNMING IRON & STEEL HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each of these pipes has its own characteristics: for example, cast iron pipes are not corrosion-resistant, and must be painted for protection during use. The production and use costs are high, the service life is limited, and the surface finish is poor; although PVC pipes have high surface finish, they can be processed Strong, comprehensive performance and other advantages, but because PVC pipes contain toxic substances, pollute the environment, and endanger people's health, therefore, the scope of use is limited and cannot be used as domestic water pipes; , bamboo-plastic pipes, etc., have not been popularized and applied due to limited resources and cumbersome and complicated production processes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A. Prepare materials according to the following mass ratio:

[0033] Calcium carbonate powder 61%

[0034] High Density Polyethylene HDPE 35%

[0035] Auxiliary:

[0036] Aluminate coupling agent 1%

[0037] Polyethylene wax 3%

[0038] B. Grind the calcium carbonate powder in step A into 600-mesh powder through a conventional grinding machine, send it to a conventional stirring mixer, and add high-density polyethylene HDPE, aluminate coupling agent, and polyethylene wax to mix evenly, and send After conventional banburying by a conventional internal mixer, send it to a single-screw or twin-screw extruder for conventional extrusion granulation at a kneading temperature of 150°C to obtain masterbatches;

[0039] C. Send the masterbatch obtained in step B to a conventional plastic pipe extruder. The temperature in the feeding section of the extruder is 100°C, the temperature in the plasticizing section is 130°C, the temperature in the homogenization section is 160°C, ...

Embodiment 2

[0041] A. Prepare materials according to the following mass ratio:

[0042] Calcium carbonate powder 40%

[0043] Talc 20%

[0044] Diatomaceous earth 20%

[0045] Low Density Polyethylene LDPE 10%

[0046] Polypropylene PP 5%

[0047] Auxiliary:

[0048] Titanate coupling agent 2%

[0049] Stearic Acid 1.5%

[0050] Paraffin 1.5%

[0051] B. Grind the calcium carbonate powder, talcum powder, and diatomaceous earth in step A into 1250-mesh powder through a conventional grinder, send them to a conventional stirring mixer, and add low-density polyethylene LDPE, polypropylene PP, titanate The joint agent, stearic acid, and paraffin are mixed evenly, and then sent to a conventional internal mixer for conventional banburying, then sent to a single-screw or twin-screw extruder for conventional extrusion granulation at a kneading temperature of 220°C to obtain masterbatches;

[0052] C. Send the master batch obtained in step B to a conventional plastic pipe extruder. The temp...

Embodiment 3

[0054] A. Prepare materials according to the following mass ratio:

[0055] Fly Ash 30%

[0056] Kaolin 15%

[0057] Talc 15%

[0058] Diatomaceous earth 10%

[0059] Linear Low Density Polyethylene LLDPE 10%

[0060] Polypropylene PP 10%

[0061] Low density polyethylene LDPE 7%

[0062] Auxiliary:

[0063] Aluminum-titanium composite coupling agent 1.5%

[0064] Paraffin 1.5 %

[0065] B. After the fly ash, kaolin, talcum powder and diatomaceous earth of step A are ground into 900 mesh powder through a conventional grinding mill, they are sent to a conventional stirring mixer, and linear low density polyethylene LLDPE, polypropylene PP, Low-density polyethylene (LDPE), aluminum-titanium composite coupling agent, and paraffin are mixed evenly, sent to a conventional internal mixer for conventional internal mixing, and then sent to a single-screw or twin-screw extruder for conventional extrusion at a kneading temperature of 180°C. Granules, masterbatches;

[0066] C....

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PUM

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Abstract

The invention provides a stone pipe and a preparation method thereof. The stone pipe is made of following components, by mass ratio, 60-80% of stone powder, 15-35% of high polymer and 1-5% of auxiliaries. The preparation method includes: grinding, mixing, banburying, extruding for granulation and pipe-making. The stone pipe is excellent in comprehensive performance, nontoxic, harmless, high in surface finish and corrosion resistance and wide in use. The method is simple in production process, low in cost, free of 'three wastes' (waste gas, waste water and waste residues) during production and beneficial to environment protection and can completely meet requirements of large-scale and industrial production, and raw materials are easy to get.

Description

[0001] Technical field [0002] The invention involves a stone pipe and its preparation method, which belongs to the field of plastic design and manufacturing technology. Background technique [0003] Most of the traditional pipes are polyvinyl chloride (PVC) pipes, cast iron pipes, steel pipes, nano -porcelain powder pipes, wooden plastic pipes, grass and wood composite tubes, bamboo plastic pipes, etc., and pipes made of coal ash.These pipes each have their own characteristics: such as cast -iron pipes are not resistant to corrosion, painted paint protection, high production and use costs, limited service life, and poor surface smoothness; although the PVC pipe has high surface smoothness, can be processed can be processed.The advantages of strong sex, good comprehensive performance, but because the PVC tube contains toxic substances, pollutes the environment, and harms people's health, the scope of use is limited and cannot be used for living water pipes.Bamboo plastic pipes, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08L23/12C08K13/02C08K3/26C08K3/34C08K5/09F16L9/10
Inventor 刘海国郭嘉麟刘瑞铭赵华玲
Owner KUNMING IRON & STEEL HLDG CO LTD