Water meter shell material and preparation method thereof

A casing material and water meter technology, applied in the field of water meter casing materials and its preparation, can solve the problems of excessive waste of materials, increased production costs, insufficient application, etc., and achieve the effects of convenient transportation, extended service life, and convenient operation

Active Publication Date: 2014-04-09
宁波金泉智能水表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the above-mentioned traditional water meter materials often have some shortcomings, such as being made of plastic, which has poor hardness, is easy to age, and has a relatively short service life.
The use of stainless steel or o

Method used

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  • Water meter shell material and preparation method thereof
  • Water meter shell material and preparation method thereof
  • Water meter shell material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Water meter shell material, the material preparation raw materials include: 90 parts by weight of iron ore powder, 8.5 parts by weight of polypropylene (pp),

[0024] 1 part by weight of antioxidant, 0.5 part by weight of anti-ultraviolet agent. The antioxidant is a 1:1 mixture of antioxidant 1010 and antioxidant 168. The anti-ultraviolet agent is UV-531.

[0025] Preparation steps include:

[0026] (1) First, dry the polypropylene raw material at 50°C for 2 hours to remove moisture and other impurities that affect product quality;

[0027] (2) Add the polypropylene raw material dried in step (1) into the injection screw of the injection molding machine, then add antioxidant and anti-ultraviolet agent, and heat and melt at 200°C;

[0028] (3) adding iron ore powder to the raw material in the molten state in the injection molding screw in step (2) to obtain a mixture;

[0029] (4) Inject the mixed material in step (3) into the mold with a temperature of 60°C through ...

Embodiment 2

[0031] Water meter shell material, the material preparation raw materials include: 85 parts by weight of iron ore powder, 14 parts by weight of polypropylene (pp),

[0032] 0.5 parts by weight of antioxidant, and 0.5 parts by weight of anti-ultraviolet agent. Antioxidant is Antioxidant 1010. The anti-ultraviolet agent is UV-531.

[0033] Preparation steps include:

[0034] (1) First, dry the polypropylene raw material at 50°C for 2 hours to remove moisture and other impurities that affect product quality;

[0035] (2) Add the polypropylene raw material dried in step (1) into the injection screw of the injection molding machine, then add antioxidant and anti-ultraviolet agent, and heat and melt at 200°C;

[0036] (3) adding iron ore powder to the raw material in the molten state in the injection molding screw in step (2) to obtain a mixture;

[0037] (4) Inject the mixed material in step (3) into the mold with a temperature of 60°C through the screw extrusion of the injecti...

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Abstract

The invention discloses a water meter shell material and a preparation method thereof. The material is characterized by comprising the following raw materials in parts by weight: 75-90 parts of iron ore powder, 10-25 parts of polypropylene, 0.1-1.5 parts of antioxidant and 0.1-0.5 part of anti-ultraviolet agent. By using the iron ore powder as the main preparation material instead of the traditional pure plastic or stainless steel material, the method fully utilizes the wide-source low-price raw material; and the material prepared by mixing, cooling and setting the iron ore powder and molten polypropylene has the advantages of high strength, wide temperature variation resistance range (-30-60 DEG C), low tendency to frost crack, and good explosion resistance. Besides, compared with the traditional stainless steel, the material disclosed by the invention has the advantages of light weight and equivalent strength, and is convenient to install, allocate and transport.

Description

technical field [0001] The invention relates to the technical field of water meter materials, in particular to a water meter casing material and a preparation method thereof. technical background [0002] At present, traditional water meters, especially household water, require water to pass through the water meter. Water meters have relatively high requirements and are generally made of stainless steel; they can also be made of metal or plastic with high hardness, and the surface is treated with antirust. [0003] However, the above-mentioned traditional water meter materials often have some disadvantages, such as being made of plastic, which has poor hardness, is easy to age, and has a relatively short service life. The use of stainless steel or other metals such as brass, etc., will lead to the shortage of increasing production costs as the resources of metal materials are scarce. However, iron ore powder etc. are used as processing by-products, and there are insufficien...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08K13/02C08K3/08C08K3/22B29C45/76
CPCB29C45/76B29C2945/76498B29C2945/76531C08K3/22C08K13/02C08K2003/2272C08K2003/2275C08K2201/003C08L2201/08C08L23/12
Inventor 张海光
Owner 宁波金泉智能水表有限公司
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