高鋁磚制造技藝介紹以及豎爐高鋁磚優點Introduction to manufacturing technology of high alumina brick and advantages of shaft furnace high al

 常見問題解答    |      2019-06-05

    高鋁磚制造技藝介紹以及豎爐高鋁磚優點:
    高鋁耐火磚作為高溫行業的基礎材料,在鋼鐵、建材、石化、有色等行業用途廣泛,是使用量很大的一類耐火磚制品。高鋁磚系列産品深受市場歡迎,不論是國标系列的标準磚型,還是定制化生産的異型磚,耐材均有豐富的生産經驗及成熟的技術。
    我們都知道,高鋁磚品種多樣,按照鋁含量及用途、磚型可以分為很多種,其具體分類此處不再贅述。耐材生産的高鋁磚品種多樣、質量優異,并可根據不用窯爐情況及客戶需求定制磚型和指标,特别是異型磚的生産,耐材已經走在了行業前列。
    接下來,主要根據高鋁磚的制造工藝為大家介紹下,同樣是高鋁磚,為何耐材生産的高鋁磚系列産品就有它的獨到之處。
    特點一:原料制備
    原材料很重要,很重要,很重要!
    鋁礬土礦作為制備高鋁耐火磚的主要原材料之一,耐材在選材及制備方面首先進行層把控。
    1、開采:鋁礬土礦采用分級開采,嚴格控制雜質氧化物的含量,Fe2O3不超過2%-2.5%,CaO不超過0.5%-0.7%,尤其K2O、Na2O的含量控制達到了精準了程度。
    2、熟料制備:制備高鋁磚的熟料礦物組成一般是莫來石、剛玉和玻璃相,燒結溫度達到1500~1700℃,吸水在4~7%,如此燒結的熟料方能使材料的性能化。
    3、揀選和篩分:進一步剔除影響高鋁磚性能的雜質原料,通過耐材嚴格的揀選制度,分級儲存方式,提升高鋁磚成品性能。
    4、破碎:全自動粉料生産線,破碎、混料、配料一體化進行,生産出的粉料配比精準,各項性能指标。
    特點二:成型
    成型需要内外兼顧!
    高鋁磚的成型質量,主要看其模具及成型壓力。
    1、模具:耐材擁有豐富的異型磚定制化生産經驗,這也成為耐材的優勢之一。擁有用專業的模具定制化生産車間,可根據客戶提供的圖紙進行模具的精準制作。
    2、成型:同一批次的高鋁磚,根據客戶需求、根據客戶生産實際情況,進行合适的加壓,成型過程中嚴格操作。檢測與成型也一并進行,及時發現并剔除殘次品。
    特點三:燒成
    燒成是考驗一家耐火材料廠的關鍵!
    高鋁磚的燒成,需要在較高的溫度下進行,一般為1500~1600℃,耐材自主研發的一套高效燒成制度,配合5條高溫、超高溫高效節能隧道窯,燒成過程溫度穩定、産品燒結過程穩定、外内燒結一緻,燒成品成色好、外形規整且無裂紋。
    工匠精神,在耐材這裡不是一句空話,而是切切實實的行動,經過不斷優化形成的一體化生産管理制度,使得耐材真正靠産品說話。
    除此之外,耐材強大的技術團隊、售後服務團隊,提供一站式産品技術解決方案,客戶從窯爐磚型設計到終的砌築與使用,整個環節都可以在耐材這裡找到滿意的答案。在此,耐材也歡迎廣大朋友來電咨詢或到廠參觀考察。
    【豎爐用高鋁磚的優勢特點分析】
    導風牆和烘幹床的出現,推動了我國球團豎爐的發展。但導風牆的使用壽命低是多年來一直困擾豎爐球團生産的發展問題。導風牆壽命低的原因:一是導風牆磚體易破損倒塌,二是導風牆的水冷托梁易變形下彎(或稱“塌腰”)和被磨損,從而導緻漏水和磚牆坍塌。
    豎爐用導風牆耐火材料,按材質分為兩個品種即鋁锆質和矽線石莫來石質,使用壽命分别為1年和3年以上。其主要特點為:
    (1)在鋁矽系材料的基礎上,加入适量的複合添加劑,使其在高溫下形成穩定的锆莫來石相或矽線石相,從而起到了很好的耐高溫和抗沖刷作用。
    (2)組合式結構,使導風牆的磚縫大大減少,砌體的整體性能好,使用壽命長。
    (3)我公司的專業築爐施工隊,可為用戶提供導風牆砌築服務,保證導風牆磚牆砌築質量。
    (4)該公司為用戶提供烘爐曲線,可以避免和減少烘爐操作對耐火材料質量的影響。

本公司長期出售優質高鋁磚、一級高鋁磚、粘土磚等,價格合理,有意者聯系!電話:0086-13608670776

Introduction to manufacturing technology of high alumina brick and advantages of shaft furnace high alumina brick:

High aluminum refractory brick, as the basic material of high temperature industry, is widely used in steel, building materials, petrochemical, nonferrous metals and other industries.High aluminum brick series products are well received by the market, whether it is the national standard series of brick type, or customized production of special-shaped brick, the material has rich production experience and mature technology.

As we all know, there are various kinds of high alumina bricks, which can be divided into many types according to their aluminum content, application and type.The high alumina bricks produced by resistant material have various varieties and excellent quality, and can be customized according to the situation of not using kilns and customer demand, especially the production of special-shaped bricks, resistant material has been in the forefront of the industry.

Next, based on the manufacturing process of high-alumina bricks, I will introduce to you why the series of high-alumina bricks produced by refractory materials have their unique features.

Feature 1: raw material preparation

Raw materials are important, important, important!

Bauxite is one of the main raw materials for preparing high alumina refractory bricks.

1. Mining: bauxite ore is mined in grades, and the content of impurities and oxides is strictly controlled. Fe2O3 is not more than 2%-2.5%, CaO is not more than 0.5%-0.7%.

2. Preparation of clinker: the clinker mineral composition of high alumina brick is generally mullite, corundum and glass phase. The sintering temperature reaches 1500 ~ 1700℃ and the water absorption reaches 4 ~ 7%.

3. Sorting and screening: further remove the impurities that affect the performance of high alumina bricks, and improve the finished performance of high alumina bricks through strict selection system of resistant materials and graded storage.

4, crushing: automatic powder production line, crushing, mixing, ingredients integration, the production of powder ratio accurate, various performance indicators.

Feature 2: molding

Molding needs both inside and outside!

The forming quality of high alumina brick mainly depends on its mould and forming pressure.

1. Mold: material resistance has rich experience in customized production of special-shaped bricks, which has become one of the advantages of material resistance.With professional mold customized production workshop, according to the drawings provided by customers for precise production of molds.

2. Molding: for high-alumina bricks of the same batch, according to customers' requirements and actual production conditions, appropriate pressurization is carried out, and strict operation is carried out in the molding process.Detection and molding are also carried out to detect and eliminate defective products in time.

Feature 3: burnt

Burning is the key to test a refractory factory!

High alumina brick firing, shall be carried out at higher temperatures, generally is 1500 ~ 1600 ℃, independent research and development of refractory material of a set of efficient firing system, with 5 high temperature, high efficiency and energy saving ultra high temperature tunnel kiln, burning process temperature stability, stable products sintering process, the sintering, burning product nice colour, appearance is neat and no crack.

Craftsman spirit, here is not an empty talk, but real action, through continuous optimization of the formation of integrated production management system, make the material really rely on products speak.

In addition, the strong technical team, after-sales service team, provide one-stop product technical solutions, customers from kiln brick design to the end of the masonry and use, the whole link can find satisfactory answers here.In this, the material also welcome the majority of friends to inquire or to visit the factory.

[analysis of advantages and characteristics of high alumina brick for shaft furnace]

The appearance of air guide wall and drying bed promotes the development of pellet shaft furnace in China.However, the low service life of the air guide wall is the development problem that has been troubling shaft furnace pellet production for many years.The reason of low life of the wind wall: first, the brick body of the wind wall is easy to be damaged and collapsed; second, the water-cooled supporting beam of the wind wall is easy to be deformed and bent (or called "collapse") and worn out, which leads to water leakage and brick wall collapse.

Shaft furnace with air wall refractory, according to the material is divided into two varieties of aluminum zirconium quality and silicon line stone mullite quality, service life is 1 year and more than 3 years.Its main features are:

(1) on the basis of aluminum-silicon series materials, appropriate composite additives are added to form stable zirconium mullite phase or sillimanite phase at high temperature, so as to play a good role in high temperature resistance and erosion resistance.

(2) combined structure, so that the wind guide wall of the brick joints greatly reduced, masonry overall performance, long service life.

(3) our company's professional furnace construction team can provide wind guide wall masonry services for users to ensure the quality of wind guide wall brick masonry.

(4) the company provides users with oven curves, which can avoid and reduce the influence of oven operation on refractory quality.

The company long - term sales of high quality high - alumina brick, high - alumina brick, clay brick, reasonable price, interested contact!Telephone: 0086-13608670 776