RU2019136276A - Iron Oxide Portland Cement for Nuclear Reactor Melt Trap - Google Patents

Iron Oxide Portland Cement for Nuclear Reactor Melt Trap Download PDF

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Publication number
RU2019136276A
RU2019136276A RU2019136276A RU2019136276A RU2019136276A RU 2019136276 A RU2019136276 A RU 2019136276A RU 2019136276 A RU2019136276 A RU 2019136276A RU 2019136276 A RU2019136276 A RU 2019136276A RU 2019136276 A RU2019136276 A RU 2019136276A
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RU
Russia
Prior art keywords
iron oxide
cement
portland cement
nuclear reactor
components
Prior art date
Application number
RU2019136276A
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Russian (ru)
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RU2019136276A3 (en
RU2754136C2 (en
Inventor
Александр Стальевич Сидоров
Юрий Петрович Удалов
Николай Фёдорович Фёдоров
Вячеслав Иванович Зотов
Евгений Николаевич Засыпалов
Роман Валерьевич Титов
Original Assignee
Акционерное общество "Тяжмаш"
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.)
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Application filed by Акционерное общество "Тяжмаш" filed Critical Акционерное общество "Тяжмаш"
Priority to RU2019136276A priority Critical patent/RU2754136C2/en
Publication of RU2019136276A publication Critical patent/RU2019136276A/en
Publication of RU2019136276A3 publication Critical patent/RU2019136276A3/ru
Application granted granted Critical
Publication of RU2754136C2 publication Critical patent/RU2754136C2/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • C04B7/522—After-treatment of ground cement
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/016—Core catchers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Claims (6)

1. Состав железооксидного портланцемента для ловушки расплава ядерного реактора изготавливаемый путем сухого помола компонентов, отличающийся тем, что в качестве вяжущего вещества используется готовый цемент класса не ниже 42,5, в качестве активной минеральной добавки оксид железа III, а в качестве поверхностно активного вещества - суперпластификатор С-3 при следующем соотношении компонентов, мас.%:1. The composition of iron oxide portlane cement for trapping the melt of a nuclear reactor made by dry grinding of components, characterized in that ready-made cement of class not lower than 42.5 is used as a binder, iron oxide III is used as an active mineral additive, and as a surfactant - superplasticizer C-3 with the following ratio of components, wt%: портландцементPortland cement 30-50 30-50 оксид железа IIIiron oxide III 50-6550-65 суперпластификаторsuperplasticizer 0,8-1,80.8-1.8
2. Железооксидный портландцемент по п. 1, отличающийся тем, что компоненты измельчаются и смешиваются в мельнице интенсивного помола до размера поверхности порошка по Блейну в интервале 7000-10000 см2/г.2. Iron oxide Portland cement according to claim 1, characterized in that the components are ground and mixed in an intensive grinding mill to a powder surface size according to Blaine in the range of 7000-10000 cm 2 / g. 3. Способ по п. 2, отличающийся тем, что для получения из железооксидного портландцемента теста нормальной пластичности водоцементное отношение находится в интервале 0,16-0,25.3. A method according to claim 2, characterized in that for obtaining a test of normal plasticity from iron oxide Portland cement, the water-cement ratio is in the range of 0.16-0.25. 4. Способ по п. 3, отличающийся тем, что цементный камень после 28 суток твердения имеет кажущуюся плотность 2,40-2,85 г/см3.4. The method according to claim 3, characterized in that the cement stone after 28 days of hardening has an apparent density of 2.40-2.85 g / cm 3 . 5. Способ по п. 3, отличающийся тем, что потери при прокаливании цементного камня при температуре 700° равны 4,7-6,1 мас.% (потери физически и химически связанной воды), а при температуре 1000° равны 5,7-8,9 мас.% (общие потери за счет удаления летучих веществ - воды и углекислого газа).5. The method according to claim 3, characterized in that the losses during calcination of the cement stone at a temperature of 700 ° are 4.7-6.1 wt.% (Losses of physically and chemically bound water), and at a temperature of 1000 ° are equal to 5.7 -8.9 wt.% (Total losses due to the removal of volatile substances - water and carbon dioxide).
RU2019136276A 2019-11-11 2019-11-11 Iron-oxide portland cement for core catcher of nuclear reactor RU2754136C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2019136276A RU2754136C2 (en) 2019-11-11 2019-11-11 Iron-oxide portland cement for core catcher of nuclear reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2019136276A RU2754136C2 (en) 2019-11-11 2019-11-11 Iron-oxide portland cement for core catcher of nuclear reactor

Publications (3)

Publication Number Publication Date
RU2019136276A true RU2019136276A (en) 2021-05-11
RU2019136276A3 RU2019136276A3 (en) 2021-05-11
RU2754136C2 RU2754136C2 (en) 2021-08-30

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Family Applications (1)

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RU2019136276A RU2754136C2 (en) 2019-11-11 2019-11-11 Iron-oxide portland cement for core catcher of nuclear reactor

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2096362C1 (en) * 1995-11-30 1997-11-20 Акционерное общество закрытого типа "Акционерная компания ПОЛИМОД в области модификаторов бетона" Binding agent
RU2182137C1 (en) * 2000-12-22 2002-05-10 Кузьмина Вера Павловна Dry mix and method of its preparation
RU2215340C2 (en) * 2002-01-08 2003-10-27 Санкт-Петербургский государственный технологический институт (технический университет) Cement for nuclear reactor molten core catcher
EA003961B1 (en) * 2003-02-13 2003-10-30 Санкт-Петербургский государственный технологический институт (технический университет) Ceramic material for catching a melt of active zone of nuclear rector
RU2605693C1 (en) * 2015-12-17 2016-12-27 Федеральное государственное бюджетное учреждение науки Физико-технический институт им. А.Ф. Иоффе Российской академии наук Oxide material of nuclear reactor core melt trap
RU2656270C1 (en) * 2017-04-17 2018-06-04 Вадим Григорьевич Хозин Low water demand cement and method of its manufacturing

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Publication number Publication date
RU2019136276A3 (en) 2021-05-11
RU2754136C2 (en) 2021-08-30

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