WO2021091427A1 - Проходка кабельная с минеральноватным наполнителем и монтажный набор - Google Patents
Проходка кабельная с минеральноватным наполнителем и монтажный набор Download PDFInfo
- Publication number
- WO2021091427A1 WO2021091427A1 PCT/RU2020/050267 RU2020050267W WO2021091427A1 WO 2021091427 A1 WO2021091427 A1 WO 2021091427A1 RU 2020050267 W RU2020050267 W RU 2020050267W WO 2021091427 A1 WO2021091427 A1 WO 2021091427A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- filler
- coating
- hole
- penetration
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Definitions
- the proposed technical solution relates to cable penetrations and can be used to provide passive fire protection of cable facilities and other building structures at nuclear and thermal power plants.
- D1 Known cable penetration, described in patent RU165549, published 20.10.2016 (D1).
- the cable penetration known from D1 is an electric sealed penetration for nuclear reactors with two containment shells, inside which are located longitudinally sealed modules for transmitting electrical energy and signals to the sealed rooms of nuclear power plants, including input housings for the sealed reactor shell and the reactor containment shell, which equipped with an additional body for the intershell space, which is fixed between two other bodies, and with one body the additional body is connected with hinged supports, and with the other with a fire-resistant collar.
- the solution known from D1 does not allow to provide the required fire resistance limits and has a complex structure, the installation of the penetration is difficult.
- the solution known from D1 can be taken as the closest analogue.
- the technical problem solved by the claimed invention is the creation of a cable penetration that does not have the disadvantages of the analogue, and thus provides the necessary fire resistance, simplicity of construction and installation.
- Another technical problem solved by the claimed invention is the expansion of the arsenal of technical means - cable penetrations.
- the technical result achieved by the implementation of the claimed invention is to eliminate the disadvantages of the closest analogue and thus ensure the necessary fire resistance limits, simplify the design and installation.
- Another technical result is the expansion of the arsenal of technical means - cable penetrations.
- the technical result is achieved due to the fact that a cable penetration is provided, which is a mineral wool filler, with which a hole with a depth of 150 to 250 mm in a building structure is at least partially filled, and the filler has a density of at least 35 kg / m 3 and is coated on the outside with a fire-retardant coating, also applied to at least one cable on each side outside the hole, and the filler at the points of contact of the cable inside the hole is covered with a fire-resistant sealant, and the fire resistance of the coating, depending on the depth of the hole, the thickness of the coating, and the length of the coating on the cable corresponds to the parameters indicated in the table:
- FIG. 1 by way of example, but not limitation, an exemplary diagram of the claimed cable penetration is shown.
- a cable penetration which is a mineral wool filler, which at least partially fills an opening with a depth of 150 to 250 mm in a building structure, and the filler has a density of at least 35 kg / m 3 and is covered outside with a fire-retardant coating, also applied to at least one cable on each side outside the hole, and the filler at the points of contact of the cable inside the hole is covered with a fire-resistant sealant, and the fire resistance of the coating, depending on the depth of the hole, the thickness of the coating, and the length of the coating on the cable corresponds parameters specified in the table: [0015]
- said penetration is provided, characterized in that it is additionally provided with a sleeve, or a box, or an embedded pipe, or the like for at least partial filling with said filler and placing inside at least one cables mounted to the depth of the mentioned hole.
- an installation kit for cable penetration with the geometric parameters of said cable penetration containing at least mineral wool filler with a density of at least 35 kg / m 3 , a fire retardant coating and a fire retardant sealant in quantities sufficient to ensuring the fire resistance of the coating in accordance with the above table.
- said kit is provided, characterized in that it further comprises a sleeve, or box, or casing pipe, or the like for at least partial filling with said filler and placement inside at least one cable, suitable for mounting into a hole in a building structure to a depth of 150 to 250 mm.
- the claimed cable penetration 100 is intended for fire-resistant transverse sealing of cables and bus ducts when they pass through cable structures, walls and ceilings at nuclear power plants, thermal power plants and other industrial facilities, namely, for performing fire-resistant universal cable penetrations when cables pass through walls and floors (building structures) in pipes, ducts, trays.
- the declared cable penetration 100 can be used in all climatic regions according to SNiP 23-01.
- the operating interval of cable penetration 100 is from minus 60 degrees Celsius to plus 160 degrees Celsius.
- the declared cable penetration 100 performs fire-retardant functions when exposed to a "standard fire" according to GOST 30247.0-94 for 0.75, 1.5, 2 or 3 hours, depending on the design.
- the mentioned penetration 100 does not have a destructive effect on cable sheaths made of plastic, polyvinyl chloride, aluminum and steel, does not cause corrosion and has no other negative impact impacts on steel structures, paint and varnish or galvanic protective coatings that protect metal structures.
- the mentioned penetration adheres tightly to the protected surface without blisters and cracks.
- the mentioned penetration is made with the ability to withstand the impact of a shock wave with a pressure of up to 6.74 t / m 2 . In case of mechanical damage, the mentioned penetration can be restored.
- the mentioned penetration is resistant to chemical influences with repeated washing with decontamination solutions: a) NaOH - 50 g / l, KMpSP - Zg / l - alkaline 5% solution; b) H2C2O4 - 3Og / l, HNO3 - 5 g / l - acidic 3% solution; c) ⁇ 2 ⁇ 2 ⁇ 4 - 30 g / l, ⁇ 2 ⁇ 2 - 1 g / l - acidic 3% solution.
- H2C2O6 - 0.5%, (NaPO3) b - 0.35%, sulfanol - 0.15% the processing time is up to 10 h / year.
- FIG. 1 by way of example, but not limitation, an exemplary diagram of the claimed cable penetration 100 is shown, which is a mineral wool filler 104, which is at least partially filled with a hole with a depth (a) of 150 to 250 mm in the building structure 101, and the filler has a density not less than 35 kg / m 3 and covered on the outside with a fire-retardant coating 105, which is also applied to at least one cable 103 on each side outside the hole, and the filler at the cable contact points inside the hole is covered with a fire-resistant sealant 106, and the fire resistance of the coating, depending on the depth (a) of the hole, the thickness (d) of the coating, and the length (b) of the coating on the cable correspond to the parameters indicated in the table:
- said penetration 100 may be provided with a sleeve 102, or a duct 102, or an embedded pipe 102, or the like for at least partial filling with said filler 104, mounted to the depth of said opening in wall 101.
- Said penetration 100 is supplied in the form of an assembly kit, the components of which are selected taking into account the geometric parameters of said penetration 100.
- the assembly kit contains at least mineral wool filler 104 with a density of at least 35 kg / m 3 , fire retardant coating 105 and flame retardant sealant 106, in quantities sufficient to provide the coating with fire resistance in accordance with the table above.
- said set may contain a sleeve 102, or a box 102, or an embedded pipe 102, or the like for filling with said filler 104 and placing inside at least one cable 103, suitable for mounting into said hole in a building structure 101 to a depth from 150 to 250 mm.
- said fire retardant coating 105 is a flame retardant intumescent composition supplied as a kit for preparing an intumescent, cold cure flame retardant composition
- the container units contain the following initial components with the following ratio of the initial components, parts by weight: base packed in one or several container units of equal or unequal volume: silicone rubber 80-120 size 4 -8 blowing agent 35-75 blowing agent 100-140 heat-melting structurant 7-17 optionally stabilizing agent 0.15-0.35 optionally heat stabilizing agent 1-3 optionally thickening agent 0.15-0.35; catalyst mixture packed in one or more container units of equal or unequal volume: reaction catalyst 1-3 crosslinker of polymers 4-8 optional polymerization accelerator 1.5-3.5.
- the sizing in said kit for preparing an intumescent, cold-curing flame retardant composition is a 10% solution of aminopropyltrimethoxysilane in hexane or xylene.
- the silicone rubber is a silicone rubber with viscosity from 5 to 50 Pa * s; and / or aminopropyltrimethoxysilane is used as a catalyst for the reaction; and / or tris-butanone oxime-methylxilane is used as a crosslinker for polymers; and / or dibutyl tin diacetate is used as a polymerization accelerator; and / or technical pentaerythritol is used as an expanding agent; and / or ammonium polyphosphate is used as a foaming agent; and / or a polyester is used as a stabilizing agent; and / or iron oxide is used as a heat stabilizing agent; and / or Aerosil is used as a 10% solution of aminopropyltrimethoxysilane
- the flame retardant sealant 106 is said one-piece flame retardant coating 105 having a neutral catalytic formula and thixotropy.
- Such a flame retardant sealant 106 may be supplied, for example, but not limited to, in tool tubes.
- the present description of the implementation of the claimed invention demonstrates only particular embodiments and does not limit other embodiments of the claimed invention, since possible other alternative embodiments of the claimed invention, which do not go beyond the scope of information set forth in this application, should be obvious to a person skilled in this technical field of ordinary skill for which the claimed invention is designed.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
- Building Environments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2019135551A RU2717082C1 (ru) | 2019-11-04 | 2019-11-04 | Проходка кабельная с минеральноватным наполнителем и монтажный набор |
RU2019135551 | 2019-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021091427A1 true WO2021091427A1 (ru) | 2021-05-14 |
Family
ID=69898683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2020/050267 WO2021091427A1 (ru) | 2019-11-04 | 2020-10-04 | Проходка кабельная с минеральноватным наполнителем и монтажный набор |
Country Status (2)
Country | Link |
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RU (1) | RU2717082C1 (ru) |
WO (1) | WO2021091427A1 (ru) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2763360C1 (ru) * | 2021-01-21 | 2021-12-28 | Общество С Ограниченной Ответственностью "Атоминпром" | Проходка кабельная для установки огнестойких поясов в кабельных лотках и кабельных лестницах |
RU2763409C1 (ru) * | 2021-01-21 | 2021-12-30 | Общество С Ограниченной Ответственностью "Атоминпром" | Проходка кабельная огнестойкая для проема в строительной конструкции или кабельного короба |
RU2767764C1 (ru) * | 2021-03-31 | 2022-03-21 | Общество С Ограниченной Ответственностью "Атоминпром" | Проходка кабельная с минеральноватным наполнителем в коробе или лотке или тому подобном и монтажный набор |
WO2022211677A1 (ru) * | 2021-03-31 | 2022-10-06 | Константин Андреевич ПЕТЕРСОН | Проходка кабельная с минеральноватным наполнителем и монтажный набор |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2007807C1 (ru) * | 1991-08-08 | 1994-02-15 | Валерий Георгиевич Калашников | Пожаростойкая проходка для кабелей и трубопроводов |
DE202006004512U1 (de) * | 2006-03-22 | 2006-07-20 | Klauer, Rainer | Dichteinrichtung für zumindest eine durch eine in einer Wand angeordnete Ausnehmung zu führende Leitung und Dichtung für die Dichteinrichtung |
RU165549U1 (ru) * | 2016-03-02 | 2016-10-20 | Валерий Иванович Чечин | Электрическая герметичная проходка |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1685634A1 (de) * | 2003-11-07 | 2006-08-02 | Georg Wichmann | Brandschutzvorrichtung, anordnung zum einbau einer brandschutzvorrichtung sowie verfahren zur herstellung einer anordnung, sowie brandschutz-kabeldurchf hrung |
DE202006011374U1 (de) * | 2006-07-25 | 2006-09-21 | Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg | Wanddurchführung zum Durchführen einer Leitung durch eine Gebäudewandung |
RU2012105564A (ru) * | 2012-02-17 | 2013-08-27 | Юрий Владимирович Кривцов | Огнезащитная преграда для кабельных проходок "щит ак-2" |
RU2685542C2 (ru) * | 2017-03-24 | 2019-04-22 | Дмитрий Иванович Королев | Ввод герметичный силовых электрических проводников через защитную оболочку |
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2019
- 2019-11-04 RU RU2019135551A patent/RU2717082C1/ru active
-
2020
- 2020-10-04 WO PCT/RU2020/050267 patent/WO2021091427A1/ru active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2007807C1 (ru) * | 1991-08-08 | 1994-02-15 | Валерий Георгиевич Калашников | Пожаростойкая проходка для кабелей и трубопроводов |
DE202006004512U1 (de) * | 2006-03-22 | 2006-07-20 | Klauer, Rainer | Dichteinrichtung für zumindest eine durch eine in einer Wand angeordnete Ausnehmung zu führende Leitung und Dichtung für die Dichteinrichtung |
RU165549U1 (ru) * | 2016-03-02 | 2016-10-20 | Валерий Иванович Чечин | Электрическая герметичная проходка |
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RU2717082C1 (ru) | 2020-03-18 |
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