SU814996A1 - Device for electric heating of concrete - Google Patents
Device for electric heating of concrete Download PDFInfo
- Publication number
- SU814996A1 SU814996A1 SU752104054A SU2104054A SU814996A1 SU 814996 A1 SU814996 A1 SU 814996A1 SU 752104054 A SU752104054 A SU 752104054A SU 2104054 A SU2104054 A SU 2104054A SU 814996 A1 SU814996 A1 SU 814996A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- concrete
- electric heating
- layer
- porous
- electrolyte
- Prior art date
Links
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
38 электроды диэлектрической фильтровой тканью к бетону и включаетс источник тока. Электрический контакт создаетс за счет того, что при механическом контакте бетона с поверхностью электрода,зерна заполнител сдвигаютс внутрь и вдоль поверхности концентрируетс токопровод ша жидка фаза. При этом, если плошадь чеек ткани не меньше капил.- л рной пористости бетона, то диэлектрический фильтр практически- не увеличива общего электросопротивлени прогреваемого бетона. ЕСЛИ прогреваютс бетоны с большим водоотделением, то фильтрова ткань не смачиваетс электролитом, а смачиваетс водной выт жкой из бетона в процессе электропрогрева. Изобретение позвол ет повысить качество поверхности бетона за счет ликвидации местного перегрева и предотврати короткое замыкание электрического тока между электродами и арматурой бетона. Формула и 30 бретени Устройство дл электропрогрева бетона , содержащее подключенные к источнику тока электроды, на рабочей поверхности которых нанесен слой пористого диэлектрического материала с электролитом в порах, отличающеес тем, что, с цепью повышени надежности, слой пористого материала представл ет собой диэлектрическую фильтровую ткань. Источники информашш, прин тые во внимание при экспертизе 1.Авторское свидетельство СССР № 231364, кл.Р 26 В 3/34, . 2.Авторское свидетельство СССР № 51889, кл. С 04 В 41/30, 1937 (прототип).38, the dielectric filter cloth electrodes to the concrete and the current source is turned on. The electrical contact is created due to the fact that during the mechanical contact of the concrete with the surface of the electrode, the filler grains are shifted inwards and the conductors of the liquid phase are concentrated along the surface. At the same time, if the area of tissue cells is not less than the capillary-porous porosity of concrete, then the dielectric filter practically does not increase the total electrical resistance of the heated concrete. If concrete with high water separation is heated, then the filter fabric is not moistened with electrolyte, but moistened with a water extract from concrete during electric heating. The invention allows to improve the quality of the concrete surface by eliminating local overheating and prevent a short circuit of electric current between the electrodes and the concrete reinforcement. Formula and 30 brackets A device for electrically heating concrete that contains electrodes connected to a current source, on the working surface of which a layer of porous dielectric material with electrolyte is applied in pores, characterized in that with a chain of reliability, the layer of porous material is a dielectric filter fabric. Sources of information taken into account in the examination 1. USSR author's certificate number 231364, cl. R 26 В 3/34,. 2. USSR author's certificate number 51889, cl. C 04 B 41/30, 1937 (prototype).
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU752104054A SU814996A1 (en) | 1975-02-10 | 1975-02-10 | Device for electric heating of concrete |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU752104054A SU814996A1 (en) | 1975-02-10 | 1975-02-10 | Device for electric heating of concrete |
Publications (1)
Publication Number | Publication Date |
---|---|
SU814996A1 true SU814996A1 (en) | 1981-03-23 |
Family
ID=20609733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU752104054A SU814996A1 (en) | 1975-02-10 | 1975-02-10 | Device for electric heating of concrete |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU814996A1 (en) |
-
1975
- 1975-02-10 SU SU752104054A patent/SU814996A1/en active
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