SU364448A1 - METHOD OF CENTRIFUGAL SUSPENSION CASTING OF CERAMIC PIPES - Google Patents

METHOD OF CENTRIFUGAL SUSPENSION CASTING OF CERAMIC PIPES

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Publication number
SU364448A1
SU364448A1 SU1633598A SU1633598A SU364448A1 SU 364448 A1 SU364448 A1 SU 364448A1 SU 1633598 A SU1633598 A SU 1633598A SU 1633598 A SU1633598 A SU 1633598A SU 364448 A1 SU364448 A1 SU 364448A1
Authority
SU
USSR - Soviet Union
Prior art keywords
centrifugal
ceramic pipes
suspension casting
centrifugal suspension
casting
Prior art date
Application number
SU1633598A
Other languages
Russian (ru)
Inventor
В. В. Созонов Л. А. Борисова В. П. Шаров Ж. И. Иевлева
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to SU1633598A priority Critical patent/SU364448A1/en
Application granted granted Critical
Publication of SU364448A1 publication Critical patent/SU364448A1/en

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Description

1one

Изобретение относитс  к керамическому производству.The invention relates to ceramic production.

Оно может примен тьс  в машиностроении и экспериментальной технике.It can be used in mechanical engineering and experimental technology.

Известен центробежный способ получени  труб, в котором разностенность устран етс  равномерной .подачей массы, подаваемой винтовым бетоноспуском, имеющим осевое перемещение и лопаст)И «а конце дл  распределени  материала по стенкам формы.A centrifugal method for producing pipes is known, in which the thin-walling is eliminated by an even feeding of the mass supplied by screw-in concrete with axial movement and blade) And at the end for distributing the material along the walls of the mold.

К недостаткам центробежной технологии относитс  структурна  неоднородность, вызванна  сепарационным действием центробежных сил на частицы различных размеров и удельного веса.The disadvantages of centrifugal technology include structural heterogeneity caused by the separation effect of centrifugal forces on particles of various sizes and specific gravities.

При отливке тонкостенных труб литейна  масса с малым содержанием жидкой фазы трудно растекаетс  по поверхности матрицы, в результате чего по вл етс  разностенность. При увеличении количества жидкой фазы, как правило, уменьшаетс  устойчивость р да суспензий , по вл ютс  дефекты, свойственные центробежному литью.When casting thin-walled pipes, the casting mass with a low content of the liquid phase is difficult to spread over the surface of the matrix, as a result of which the wall thickness appears. With an increase in the amount of the liquid phase, as a rule, the stability of a number of suspensions decreases, the defects characteristic of centrifugal casting appear.

Предлагаемый способ не имеет этих недостатков и отличаетс  от известного тем, что формование полуфабриката осуществл ют из суспензий, получаемых непосредственно в центробежном поле, например, при гидролизе растворов К22гРб, NaOH или NH4OH.The proposed method does not have these disadvantages and differs from the well-known fact that the semi-finished product is molded from suspensions obtained directly in a centrifugal field, for example, by hydrolyzing solutions of K22gRb, NaOH or NH4OH.

Дл  осуществлени  способа берут концентрированные растворы KzZrFe, NaOH или NH40H в необходимом количестве и заливают их во вращающуюс  матрицу. При этом растворы растекаютс  равно.мерным слоем по .поверхности матрицы и выдел юща с  в результате гидролиза ZrO2 формируетс  ровным слоем.To carry out the process, take concentrated solutions of KzZrFe, NaOH or NH40H in the required amount and pour them into a rotating matrix. In this case, the solutions spread in an equal-dimensional layer along the surface of the matrix and the ZrO2 released during hydrolysis is formed in an even layer.

При необходимости операцию гидролиза повтор ют с новыми порци ми растворов. В результате послойного формовани  структурна  неоднородность по зерновому составу резко уменьшаетс . Сформованный полуфабрикат промывают дистилл том и извлекают аз матрицы.If necessary, the hydrolysis operation is repeated with new portions of solutions. As a result of layer-by-layer forming, structural heterogeneity in grain composition is sharply reduced. The formed semi-finished product is washed with distillate and the az matrix is recovered.

Предмет изобретени Subject invention

Способ центробежного суспензионного лить  керамических труб, посредством подачи материала во вращающуюс  матрицу, формировани  и промывки полуфабриката, отличающийс  тем, что, с целью обеспечени  равномерности толщины стенки и увеличени  однородности структуры, формирование полуфабриката осуществл ют из суспензий, получаемых в центробежном поле, например, при гидролизе растворов К22гРб, NaOH и NH4OH.A centrifugal slurry casting method of ceramic tubes by feeding the material into a rotating matrix, forming and washing the semifinished product, characterized in that, to ensure uniform wall thickness and increase the uniformity of the structure, the semi-finished product is formed from suspensions obtained in a centrifugal field, for example, hydrolysis of K22gRb, NaOH and NH4OH solutions.

SU1633598A 1971-03-10 1971-03-10 METHOD OF CENTRIFUGAL SUSPENSION CASTING OF CERAMIC PIPES SU364448A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1633598A SU364448A1 (en) 1971-03-10 1971-03-10 METHOD OF CENTRIFUGAL SUSPENSION CASTING OF CERAMIC PIPES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1633598A SU364448A1 (en) 1971-03-10 1971-03-10 METHOD OF CENTRIFUGAL SUSPENSION CASTING OF CERAMIC PIPES

Publications (1)

Publication Number Publication Date
SU364448A1 true SU364448A1 (en) 1972-12-28

Family

ID=20468847

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1633598A SU364448A1 (en) 1971-03-10 1971-03-10 METHOD OF CENTRIFUGAL SUSPENSION CASTING OF CERAMIC PIPES

Country Status (1)

Country Link
SU (1) SU364448A1 (en)

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