CN1243062C - High temperature fireproof black paints , its preparation and use thereof - Google Patents

High temperature fireproof black paints , its preparation and use thereof Download PDF

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Publication number
CN1243062C
CN1243062C CN 200310105706 CN200310105706A CN1243062C CN 1243062 C CN1243062 C CN 1243062C CN 200310105706 CN200310105706 CN 200310105706 CN 200310105706 A CN200310105706 A CN 200310105706A CN 1243062 C CN1243062 C CN 1243062C
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parts
ball milling
blackwash
water
weight
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CN1544539A (en
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鹿成洪
鹿俊华
马中军
许妹华
李京友
张道玲
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Shandong Luyang Co Ltd
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Shandong Luyang Co Ltd
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Abstract

The present invention relates to high-temperature fireproof black paint, a preparation method thereof and the application thereof. The high-temperature fireproof black paint is prepared from 20 to 40 wt% of iron oxide, 20 to 35 wt% of chromium oxide green, 10 to 23 wt% of nickelic oxide, 8 to 20 wt% of manganese dioxide, 5 to 12 wt% of cobaltic oxide, 2 to 10 wt% of zirconia, 5 to 10 wt% of alumina, 0 to 5 wt% of graphite and 5 to 10 wt% of silicon dioxide. The preparation method comprises the following steps: the raw materials are uniformly mixed and are heated for 5 to 8h at 850 to 1400DEGC; water is added at a room temperature, ballmilling is carried out until the particle diameter is from 200 to 1000 meshes; the ratio of mixed powder to water is 1:0.2 to 1; a 0.05 to 0.3 portion of binding agent and 0.01 to 0.1 portion of additive are added in 1 portion of ballmilled paint; all components are uniformly mixed to obtain the high-temperature fireproof black paint. When coated on the surface of an aluminum silicate fiber product, the paint can perform the functions of decoration, heat vibration resistance and flushing resistance, and the paint is black at a normal temperature and is red at a high temperature.

Description

High-temperature flame-proof blackwash and method for making thereof and application
Technical field
The invention belongs to the coating category, be specifically related to a kind of high-temperature flame-proof blackwash.
Background technology
Aluminum silicate fiber and goods thereof or other high-temperature flame-proofs, when lagging material at high temperature uses, owing to be subjected to high temperature action can produce slag, crackle, thereby influence the quality of properties of refractories or product.At present, generally adopt topcoating that its surface is handled, fall slag or crackle to prevent refractory surface.Often the coating that uses has refractory paint (use temperature is 1400 ℃), middle temperature refractory paint (use temperature is 1200 ℃), and its filler adopts high alumina fine powder, bauxitic clay more; Binding agent mostly is water glass, aluminium dihydrogen phosphate, its chemical constitution and mostly is Al 2O 3And SiO 2, when such coating at high temperature uses, equally easily crack; And impurity components such as the potassium that binding agent is wherein brought into, sodium have corrosive nature to the refractory heat-insulating goods, have also reduced the work-ing life of refractory heat-insulating goods.
Summary of the invention
The objective of the invention is to develop a kind of high-temperature flame-proof blackwash and method for making and application.This coating can not produce slag, crackle after aluminum silicate fiber and goods thereof or other high-temperature flame-proofs, lagging material are handled, and has to decorate and the effect of protection refractory product.
Utilize the Fe-Cr-Ni-Mn-Co colour system; by the additive color process principle; powders such as ferric oxide, chromic oxide, nickel oxide, manganese oxide, cobalt oxide, aluminum oxide, silicon oxide, graphite are mixed by suitable proportioning; through calcining thermal treatment, adding water for ball milling to certain fineness; add a certain proportion of binding agent and additive, the coating made from decoration and protection refractory product.The color of this coating shows black at normal temperatures with after the high-temperature calcination.
Technical scheme of the present invention is:
Develop a kind of high-temperature flame-proof blackwash, it is characterized in that the weight percent of this high temperature resistant blackwash consists of:
Ferric oxide Fe 2O 3(Ferric oxide, ferric oxide) 20～40%,
Chromoxide green Cr 2O 3(Chromium oxide green, chromium sesquioxide) 20～35%,
Nickelic oxide Ni 2O 3(Nickel sesquioxide, nickel sesquioxide) 10～23%,
Manganse Dioxide MnO 2(Manganese dioxide) 8～20%,
Cobaltic oxide Co 2O 3(Cobaltic oxide, cobalt sesquioxide) 5～12%,
Zirconium white ZrO 3(Zirconium trioxide) 2～10%,
Aluminium oxide Al 2O 3(Aluminium oxide, alumina) 5～10%,
Graphite C (Graphite) 0～5%,
Silicon oxide sio 2(Silicon dioxide, silica) 5～10%.
The present invention also provides the method for making of above-mentioned high-temperature flame-proof blackwash, it is characterized in that:
(1) described raw material is by behind the proportioning mixing, at 850～1400 ℃ of thermal treatment 5～8h;
(2) mixed powder after the thermal treatment treats that it is cooled to room temperature, adds water for ball milling, when adding water by weight, mixed powder: water=1: 0.2～1; Ball milling to particle diameter reaches 200～1000 orders;
(3) coating behind the ball milling adds binding agent and additive, and the part by weight of interpolation is:
Coating behind the ball milling: binding agent=1: 0.05～0.3;
Coating behind the ball milling: additive=1: 0.01～0.1;
Mixing makes high temperature resistant blackwash finished product.
Above-mentioned binding agent is water glass, alumina sol, polyvinyl alcohol or silicon dioxide gel;
Above-mentioned additive is carboxymethyl cellulose, silane coupling agent or silica-gel powder.
The present invention also provides the application of above-mentioned high-temperature flame-proof blackwash, it is characterized in that described high temperature resistant blackwash finished product, furnishing pulpous state mechanically spraying or manual application are in the surface of aluminum silicate fibre product and other high temperature resistant goods, and coat-thickness is 0.1～5mm, get final product after drying; Add water by following part by weight during modulation: high temperature resistant blackwash finished product: water=1: 0.2～1.
Advantage of the present invention is:
1. coating of the present invention can be coated on the surface of aluminum silicate fibre product and other high temperature resistant goods, has to decorate and the antiscour effect, and good thermal shock, apparent black under the normal temperature presents redness under the condition of high temperature, has far-infrared radiation.
2. this coating can effectively improve the scour resistance of ceramic fibre and other refractory products when using below 1300 ℃, and has the effect of decoration, heat-shock resistance.This product is coated in the surface of goods such as ceramic fiber or refractory materials, can make it outward appearance and traditional charcoal color similarity, and this coating has far-infrared radiation simultaneously, can improve the effective rate of utilization of the energy.
Embodiment
The present invention mixes powders such as ferric oxide, chromic oxide, nickel oxide, manganese oxide, cobalt oxide, aluminum oxide, zirconium white, silicon oxide, graphite by suitable proportioning; through Overheating Treatment, add water for ball milling to certain fineness; add a certain proportion of binding agent and additive, the coating made from decoration and protection refractory product.
The granularity of powders such as ferric oxide required for the present invention, chromic oxide, nickel oxide, manganese oxide, cobalt oxide, aluminum oxide, silicon oxide, graphite, zirconium white should be between 100～800 orders.For guaranteeing to mix, the granularity of all kinds of powders should be consistent.
Powder after mixing according to the above ratio will be heat-treated, and thermal treatment temp should be controlled between 850～1400 ℃, and should keep certain hour.The time span that keeps should be determined according to thermal treatment temp, answers corresponding reduction treatment temp when temperature is high, answers the proper extension thermal treatment temp when temperature is low.Its heat treatment time was advisable at 5～8 hours.
This coating using method adopts craft to smear usually or the method for mechanically spraying is carried out, and coat-thickness is generally between 0.1～5mm.No matter adopt any using method, all should guarantee the coat-thickness uniformity.
Embodiment 1
Raw material weight is formed: Fe 2O 340 parts, Cr 2O 320 parts, Ni 2O 3: 15 parts, MnO 28 parts, Co 2O 35 parts, ZrO 22 parts, Al 2O 35 parts, SiO 25 parts;
Technological process:
(1) described raw material puts it in the heat treatment furnace by behind the proportioning mixing, at 850～950 ℃ of thermal treatment 7～8h:
(2) mixed powder after the thermal treatment treats that it is cooled to room temperature, adds water for ball milling, when adding water by weight, mixed powder: water=1: 1; Ball milling to particle diameter reaches 900～1000 orders;
(3) coating behind the ball milling adds binding agent and additive, and the part by weight of interpolation is: the coating behind the ball milling: binding agent=1: 0.3; Binding agent is with alumina sol or polyvinyl alcohol; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.1; Mixing makes high temperature resistant blackwash finished product.
The application of this high-temperature flame-proof blackwash, with described high temperature resistant blackwash finished product, furnishing pulpous state mechanically spraying is in the surface of aluminum silicate fibre product or other high temperature resistant goods, and coat-thickness is 0.1～5mm, gets final product after drying; Add water by following part by weight during modulation: high temperature resistant blackwash finished product: water=1: 1.
The painting color that utilizes aforesaid method to make is black, and this coating is applied in the surface of common flame-retardant fibre board, and when 900 ℃ * 24 hours calcination processing, slag, crackle are not fallen in the surface, and the black surface color does not change.
Embodiment 2
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 325 parts, Ni 2O 323 parts, MnO 28 parts, Co 2O 312 parts, ZrO 22 parts, Al 2O 35 parts, SiO 25 parts;
Technological process:
(1) described raw material puts it in the heat treatment furnace, at 1300～1400 ℃ of thermal treatment 5～6h by behind the proportioning mixing;
(2) mixed powder after the thermal treatment treats that it is cooled to room temperature, adds water for ball milling, when adding water by weight, mixed powder: water=1: 0.2; Ball milling to particle diameter reaches 200～400 orders;
(3) coating behind the ball milling adds binding agent and additive, and the part by weight of interpolation is: the coating behind the ball milling: binding agent=1: 0.05; The binding agent modification organic silicon oil; Additive is a silica-gel powder, and the part by weight of interpolation is:
Coating behind the ball milling: additive=1: 0.01; Mixing makes high temperature resistant blackwash finished product.
The application of this high-temperature flame-proof blackwash, with described high temperature resistant blackwash finished product, furnishing pulpous state manual application is in the surface of aluminum silicate fibre product or other high temperature resistant goods, and coat-thickness is 0.1～5mm, gets final product after drying; Add water by following part by weight during modulation: high temperature resistant blackwash finished product: water=1: 0.2.All the other are with example 1.
Embodiment 3
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 335 parts, Ni 2O 3: 10 parts, MnO 210 parts, Co 2O 38 parts, ZrO 22 parts, Al 2O 35 parts, 5 parts in graphite, SiO 25 parts;
Technological process:
At 950～1050 ℃ of thermal treatment 6～7h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 0.5; Ball milling to particle diameter reaches 400～600 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.1; The binding agent water glass; Additive is a silane coupling agent, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.05; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.
Embodiment 4
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 328 parts, Ni 2O 3: 10 parts, MnO 220 parts, Co 2O 35 parts, ZrO 22 parts, Al 2O 35 parts, 5 parts in graphite, SiO 25 parts;
Technological process:
At 1000～1100 ℃ of thermal treatment 6.5～7.5h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 0.8; Ball milling to particle diameter reaches 900～1000 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.2; The binding agent silicon dioxide gel; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.08; Mixing makes high temperature resistant blackwash finished product.All the other are with example 2.
Embodiment 5
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 320 parts, Ni 2O 3: 10 parts, MnO 220 parts, Co 2O 35 parts, ZrO 210 parts, Al 2O 35 parts, SiO 210 parts;
Technological process:
At 1100～1200 ℃ of thermal treatment .5.5～6.5h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 0.6; Ball milling to particle diameter reaches 700～800 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.15; The binding agent silicon dioxide gel; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.05; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.
Embodiment 6
Raw material weight is formed: Fe 2O 327 parts, Cr 2O 320 parts, Ni 2O 3: 23 parts, MnO 28 parts, Co 2O 35 parts, ZrO 22 parts, Al 2O 35 parts, 5 parts in graphite, SiO 25 parts;
Technological process:
At 1100～1200 ℃ of thermal treatment .5.5～6.5h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 0.6; Ball milling to particle diameter reaches 700～800 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.15; The binding agent silicon dioxide gel; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.05; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.
Embodiment 7
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 320 parts, Ni 2O 3: 18 parts, MnO 28 parts, Co 2O 312 parts, ZrO 22 parts, Al 2O 310 parts, SiO 210 parts;
Technological process:
At 1200～1300 ℃ of thermal treatment .5.5～6.5h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 0.3; Ball milling to particle diameter reaches 400～600 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.15; The binding agent silicon dioxide gel; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.09; Mixing makes high temperature resistant blackwash finished product.All the other are with example 2.
Embodiment 8
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 320 parts, Ni 2O 3: 23 parts, MnO 28 parts, Co 2O 312 parts, ZrO 22 parts, Al 2O 35 parts, 5 parts in graphite, SiO 25 parts;
Technological process:
At 1300～1400 ℃ of thermal treatment .5～6h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 1; Ball milling to particle diameter reaches 900～1000 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.3; The binding agent silicon dioxide gel; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.05; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.
Embodiment 9
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 320 parts, Ni 2O 3: 23 parts, MnO 28 parts, Co 2O 312 parts, ZrO 22 parts, Al 2O 35 parts, 5 parts in graphite, SiO 25 parts;
Technological process:
At 1300～1400 ℃ of thermal treatment .5.5～6.5h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 0.9; Ball milling to particle diameter reaches 400～600 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.2; Binding agent is with water glass or alumina sol; Additive is carboxymethyl cellulose or silica-gel powder, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.1; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.
Embodiment 10
Raw material weight is formed: Fe 2O 340 parts, Cr 2O 320 parts, Ni 2O 3: 10 parts, MnO 28 parts, Co 2O 310 parts, ZrO 22 parts, Al 2O 35 parts, 5 parts in graphite, SiO 210 parts;
Technological process:
At 1300～1400 ℃ of thermal treatment .5～6h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 1; Ball milling to particle diameter reaches 800～1000 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is:
Material behind the ball milling: binding agent=1: 0.15; Binding agent is with water glass or alumina sol; Additive is carboxymethyl cellulose and silane coupling agent, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.1; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.
Embodiment 11
Raw material weight is formed: Fe 2O 320 parts, Cr 2O 335 parts, Ni 2O 3: 10 parts, MnO 28 parts, Co 2O 35 parts, ZrO 27 parts, Al 2O 35 parts, 5 parts in graphite, SiO 2: 5 parts;
Technological process:
At 1300～1400 ℃ of thermal treatment .5～6h; Add water for ball milling, when adding water by weight, mixed powder: water=1: 1; Ball milling to particle diameter reaches 900～1000 orders; Add binding agent and additive behind the ball milling, the part by weight of interpolation is: the material behind the ball milling: binding agent=1: 0.3; The binding agent silicon dioxide gel; Additive is a carboxymethyl cellulose, and the part by weight of interpolation is: the coating behind the ball milling: additive=1: 0.05; Mixing makes high temperature resistant blackwash finished product.All the other are with example 1.

Claims (3)

1. high-temperature flame-proof blackwash is characterized in that the weight percent of this high temperature resistant blackwash consists of:
Ferric oxide 20～40%,
Chromoxide green 20～35%,
Nickelic oxide 10～23%,
Manganse Dioxide 8～20%,
Cobaltic oxide 5～12%,
Zirconium white 2～10%,
Aluminum oxide 5～10%,
Graphite 0～5%,
Silicon-dioxide 5～10%.
2. according to the method for making of the described high-temperature flame-proof blackwash of claim 1, it is characterized in that:
(1) described raw material is by behind the proportioning mixing, at 850～1400 ℃ of thermal treatment 5～8h;
(2) mixed powder after the thermal treatment treats that it is cooled to room temperature, adds water for ball milling, when adding water by weight, mixed powder: water=1: 0.2～1; Ball milling to particle diameter reaches 200～1000 orders;
(3) coating behind the ball milling adds binding agent and additive, and the part by weight of interpolation is:
Coating behind the ball milling: binding agent=1: 0.05～0.3;
Coating behind the ball milling: additive=1: 0.01～0.1;
Described binding agent is water glass, alumina sol, polyvinyl alcohol or silicon dioxide gel;
Described additive is carboxymethyl cellulose, silane coupling agent or silica-gel powder;
Mixing makes high temperature resistant blackwash finished product.
3. according to the application of the described high-temperature flame-proof blackwash of claim 1, it is characterized in that described high temperature resistant blackwash finished product, furnishing pulpous state mechanically spraying or manual application are in the surface of aluminum silicate fibre product and other high temperature resistant goods, and coat-thickness is 0.1～5mm, get final product after drying;
Add water by following part by weight during modulation: high temperature resistant blackwash finished product: water=1: 0.2～1.
CN 200310105706 2003-11-24 2003-11-24 High temperature fireproof black paints , its preparation and use thereof Expired - Fee Related CN1243062C (en)

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Application Number Priority Date Filing Date Title
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CN1243062C true CN1243062C (en) 2006-02-22

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CN101781483B (en) * 2009-12-04 2012-05-30 上海瓷龙化工有限公司 Environmental protection type high-temperature resistant nano paint and preparation method thereof
CN102145282B (en) * 2010-05-28 2012-12-19 南京理工大学 Preparation method of graphene-supported nano MnOOH composite material
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* Cited by examiner, † Cited by third party
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