Corrugated SCR (Selective Catalytic Reduction) denitration catalyst for gas turbine set and preparation method of denitration catalyst
A denitration catalyst, corrugated technology, applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of monopoly of sources and high prices, and achieve high porosity, large specific surface area, and denitration efficiency. high effect
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[0030] The preparation method of corrugated SCR denitrification catalyst for gas-fired unit of the present invention comprises the following steps:
[0031] Step 1: Select a certain specification of glass fiber felt as the skeleton material, manufacture it into a corrugated plate through a molding process, and then stack it with a flat plate of a certain size to form a unit. %~80% methanol, 2%~20% silica sol, 4%~25% water.
[0032] The forming process includes: firstly, preparing a certain proportion of forming liquid for use; secondly, setting the temperature of the drying furnace and forming roller of the forming machine, and feeding the material when the temperature reaches the set value. The second stage is 200°C, the upper forming roll is 300°C, and the lower forming roll is 180°C; again, the glass fiber mat sample is first immersed in the forming liquid, and then fed to the forming counter-pressing roll after drying at a high temperature of 300°C. Corrugated; finally, t...
Embodiment 1
[0038] The preparation method of the corrugated SCR denitration catalyst for the gas unit of the present embodiment comprises the following steps:
[0039] Step 1: Select a certain specification of glass fiber felt as the skeleton material, manufacture it into a corrugated plate through a molding process, and then stack it with a flat plate of a certain size to form a unit. % methanol, 20% silica sol, and 20% water.
[0040]The forming process includes: firstly, preparing a certain proportion of forming liquid for use; secondly, setting the temperature of the drying furnace and forming roller of the forming machine, and feeding the material when the temperature reaches the set value. The second stage is 200°C, the upper forming roll is 300°C, and the lower forming roll is 180°C; again, the glass fiber mat sample is first immersed in the forming liquid, and then fed to the forming counter-pressing roll after drying at a high temperature of 300°C. Corrugated; finally, the corru...
Embodiment 2
[0045] The preparation method of the corrugated SCR denitration catalyst for the gas unit of the present embodiment comprises the following steps:
[0046] Step 1: Select a certain specification of glass fiber felt as the skeleton material, manufacture it into a corrugated plate through a molding process, and then stack it with a flat plate of a certain size to form a unit. % methanol, 16% silica sol, and 4% water.
[0047] The forming process includes: firstly, preparing a certain proportion of forming liquid for use; secondly, setting the temperature of the drying furnace and forming roller of the forming machine, and feeding the material when the temperature reaches the set value. The second stage is 200°C, the upper forming roll is 300°C, and the lower forming roll is 180°C; again, the glass fiber mat sample is first immersed in the forming liquid, and then fed to the forming counter-pressing roll after drying at a high temperature of 300°C. Corrugated; finally, the corru...
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