CN104387021B

CN104387021B - A kind of high-wearing feature nozzle pottery and its preparation method

Info

Publication number: CN104387021B
Application number: CN201410590494.3A
Authority: CN
Inventors: 夏建国
Original assignee: ANHUI WANJIE HYDRAULIC TECHNOLOGY Co Ltd
Priority date: 2014-10-29
Filing date: 2014-10-29
Publication date: 2016-06-08
Anticipated expiration: 2034-10-29
Also published as: CN104387021A

Abstract

Does is a high-wearing feature nozzle pottery, made up of the raw material of following weight part: epoxy castor oil 1-2, kaolin 30-40, quartz 27-31, hydromica? 3-5, Wingdale 13-17, calcite 10-14, SODIUMNITRATE 1-1.8, zirconium silicate 8-12, tantalum carbide whisker 8-10, sodium hydroxide 2-3, deionized water is appropriate, ethanol is appropriate, auxiliary agent 4-6; The pottery of the present invention has high hardness, by adding tantalum carbide whisker, adds toughness and the wear resistance of pottery, and this pottery is applicable to make nozzle, and porcelain matter is fine and smooth, and wear resistance is good, it may also be useful to the life-span is long; By adding zirconium silicate, it is possible to increase the thermotolerance of pottery; The auxiliary agent of the application of the invention, it is possible to increase ceramic surface smoothness, wear resistance and thermotolerance.

Description

A kind of high-wearing feature nozzle pottery and its preparation method

Technical field

The present invention relates to stupalith field, particularly relate to a kind of high-wearing feature nozzle pottery and its preparation method.

Background technology

Nozzle to be worn for a long time, and the material of current nozzle has aluminum alloy materials, pottery etc., and aluminum alloy materials wear resistance is poor, often change, cost height; Stupalith fragility used at present is big, and wear resistance is not too high, not cold-resistant thermal stimulus, and resistance to acids and bases is poor, it is thus desirable to research wear resistance is good, hardness height, good toughness, vibration resistance, heat-resisting, the corrosion-resistant stupalith waiting excellent performance, to reduce costs.

Summary of the invention

It is an object of the invention to provide a kind of high-wearing feature nozzle pottery and its preparation method, this pottery has high hardness, and toughness and wear resistance are good, and this pottery is applicable to make nozzle, and porcelain matter is fine and smooth, it may also be useful to the life-span is long.

The technical scheme of the present invention is as follows:

A kind of high-wearing feature nozzle pottery, it is characterised in that be made up of the raw material of following weight part: epoxy castor oil 1-2, kaolin 30-40, quartzy 27-31, hydromica 3-5, Wingdale 13-17, calcite 10-14, SODIUMNITRATE 1-1.8, zirconium silicate 8-12, tantalum carbide whisker 8-10, sodium hydroxide 2-3, deionized water is appropriate, ethanol is appropriate, auxiliary agent 4-6;

Described auxiliary agent is made up of the raw material of following weight part: kaolin 0.7-0.9, zircon 3-4, lanthanum trioxide 0.2-0.3, bortz powder 0.2-0.3, Y2O30.2-0.4, La2O30.2-0.4, beryllium oxide 0.3-0.4, silane coupling agent kh-5500.6-0.8, polyoxyethylene glycol 0.3-0.4, water 7-11; Preparation method is: pulverized by zircon, crosses 100 order sieves, obtains zircon powder; Polyoxyethylene glycol is added to the water, stirs evenly, add zircon powder, stir 20-30 minute, then add the silane coupling agent kh-550 of half weight part, stir 10-15 minute, add kaolin again, stirring reaction 20-30 minute, then add the silane coupling agent kh-550 of residuals weight part, stir 10-15 minute, add other remaining components again, stirring reaction 20-30 minute, ultrasonic disperse 6-8 minute, filters, dry, pulverize, cross 40 order sieves, under nitrogen atmosphere, 2-3 hour is calcined at 1380-1440 DEG C, pulverize, cross 40 order sieves, to obtain final product.

The preparation method of described high-wearing feature nozzle pottery, it is characterised in that comprise the following steps:

(1) by kaolin, quartz, hydromica, Wingdale, calcite mixing, ball milling, cross 200 order sieves, add the ethanol of 0.6-0.8 times of weight part, send into ball milling 24-27 in ball mill individual hour, add sodium hydroxide, SODIUMNITRATE, continue ball milling 2-3 hour, it is washed to PH value for 8-9, filters, obtain filter cake;

(2) filter cake (1) step obtained is pulverized, and under nitrogen atmosphere, calcines 2-3 hour, take out and pulverize at 750-800 DEG C, crosses 50 order sieves, obtains particle;

(3) by zirconium silicate ball milling, cross 200 order sieves, obtain particle;

(4) particle that (2) step and (3) step obtain is mixed with other remaining components, by material: ball: water=1:1.4:0.7, ball milling 24-30 hour, moulding, individual hour of pre-burning 3-4 at 700-800 DEG C, then at 1360-1420 DEG C, calcine 4-5 hour, to obtain final product.

The useful effect of the present invention

The pottery of the present invention has high hardness, by adding tantalum carbide whisker, adds toughness and the wear resistance of pottery, and this pottery is applicable to make nozzle, and porcelain matter is fine and smooth, and wear resistance is good, it may also be useful to the life-span is long; By adding zirconium silicate, it is possible to increase the thermotolerance of pottery; The auxiliary agent of the application of the invention, it is possible to increase ceramic surface smoothness, wear resistance and thermotolerance.

Embodiment

A kind of high-wearing feature nozzle pottery, is made up of the raw material of following weight part (kilogram): epoxy castor oil 1.5, kaolin 35, quartzy 28, hydromica 4, Wingdale 15, calcite 12, SODIUMNITRATE 1.4, zirconium silicate 10, tantalum carbide whisker 9, sodium hydroxide 2.5, deionized water is appropriate, ethanol is appropriate, auxiliary agent 5;

Described auxiliary agent is made up of the raw material of following weight part (kilogram): kaolin 0.8, zircon 3.5, lanthanum trioxide 0.2, bortz powder 0.2, Y2O30.3, La2O30.3, beryllium oxide 0.3, silane coupling agent kh-5500.7, polyoxyethylene glycol 0.3, water 8; Preparation method is: pulverized by zircon, crosses 100 order sieves, obtains zircon powder; Polyoxyethylene glycol is added to the water, stirs evenly, add zircon powder, stir 25 minutes, add the silane coupling agent kh-550 of half weight part again, stir 13 minutes, then add kaolin, stirring reaction 25 minutes, add the silane coupling agent kh-550 of residuals weight part again, stir 13 minutes, then add other remaining components, stirring reaction 25 minutes, ultrasonic disperse 7 minutes, filters, and dries, and pulverizes, cross 40 order sieves, under nitrogen atmosphere, calcine 2.5 hours at 1400 DEG C, pulverize, cross 40 order sieves, to obtain final product.

The preparation method of described high-wearing feature nozzle pottery, comprises the following steps:

(1) by kaolin, quartz, hydromica, Wingdale, calcite mixing, ball milling, crosses 200 order sieves, adds the ethanol of 0.7 times of weight part, send into ball milling 26 hours in ball mill, add sodium hydroxide, SODIUMNITRATE, continue ball milling 2.6 hours, being washed to PH value is 8, filters, obtains filter cake;

(2) filter cake (1) step obtained is pulverized, and under nitrogen atmosphere, calcines 2.5 hours at 780 DEG C, takes out and pulverize, and crosses 50 order sieves, obtains particle;

(4) particle that (2) step and (3) step obtain is mixed with other remaining components, by material: ball: water=1:1.4:0.7, ball milling 28 hours, moulding, pre-burning 3.5 hours at 760 DEG C, then calcine 4.5 hours at 1390 DEG C, to obtain final product.

Experimental data:

The Vickers' hardness of this embodiment pottery is 86GPa, and bending strength is 940MPa, and fracture toughness property is 10MPa m^1/2��

Claims

1. high-wearing feature nozzle pottery, it is characterised in that be made up of the raw material of following weight part: epoxy castor oil 1-2, kaolin 30-40, quartz 27-31, hydromica 3-5, Wingdale 13-17, calcite 10-14, SODIUMNITRATE 1-1.8, zirconium silicate 8-12, tantalum carbide whisker 8-10, sodium hydroxide 2-3, deionized water is appropriate, ethanol is appropriate, auxiliary agent 4-6;

Described auxiliary agent is made up of the raw material of following weight part: kaolin 0.7-0.9, zircon 3-4, lanthanum trioxide 0.2-0.3, bortz powder 0.2-0.3, Y₂O₃0.2-0.4��La₂O₃0.2-0.4, beryllium oxide 0.3-0.4, silane coupling agent kh-5500.6-0.8, polyoxyethylene glycol 0.3-0.4, water 7-11; Preparation method is: pulverized by zircon, crosses 100 order sieves, obtains zircon powder; Polyoxyethylene glycol is added to the water, stirs evenly, add zircon powder, stir 20-30 minute, then add the silane coupling agent kh-550 of half weight part, stir 10-15 minute, add kaolin again, stirring reaction 20-30 minute, then add the silane coupling agent kh-550 of residuals weight part, stir 10-15 minute, add other remaining components again, stirring reaction 20-30 minute, ultrasonic disperse 6-8 minute, filters, dry, pulverize, cross 40 order sieves, under nitrogen atmosphere, 2-3 hour is calcined at 1380-1440 DEG C, pulverize, cross 40 order sieves, to obtain final product.

2. the preparation method that high-wearing feature nozzle is ceramic according to claim 1, it is characterised in that comprise the following steps:

(1) by kaolin, quartz, hydromica, Wingdale, calcite mixing, ball milling, cross 200 order sieves, add the ethanol of 0.6-0.8 times of weight part, send into ball milling 24-27 in ball mill individual hour, add sodium hydroxide, SODIUMNITRATE, continue ball milling 2-3 hour, being washed to pH value is 8-9, filters, obtains filter cake;