2 results about "Thermal insulation" patented technology

The invention discloses a fiber foamed concrete and a preparation method thereof. The fiber foamed concrete comprises the following raw materials in parts by weight: 5290 parts of cement, 4965 parts of water, 1.361 part of foaming solution, 1.2964 part of fly ash and 10 parts of fiber. The preparation method comprises the following steps: proportionally weighing the components; sequentially adding the cement and fly ash into a stirrer, proportionally weighing the water, uniformly stirring the mixture by the stirrer, and adding the fiber; preparing and adding the foaming solution; gradually adding the foam into the mixture, and continuously stirring until all the components are uniformly mixed; pouring the mixture into a mold on which lubricating oil is brushed, and curing in a curing chamber; after 24 hours, removing the mold; and respectively curing for 3 days, 7 days and 28 days for experimental detection. The fiber foamed concrete has the advantages of favorable thermal insulation property, favorable compression resistance and favorable bending resistance, and is applicable to a railway bed strengthening layer.

The invention discloses a comburent for microwave treatment of waste gas and a combustion method and combustion device thereof. The comburent is prepared from water, a wave absorbing substance, firstsupporting particles, second supporting particles and an aqueous binder. The combustion device comprises a shell, a microwave unit and a flange. The comburent and the combustion method and combustiondevice thereof have the advantages that the comburent which is prepared from the water, the wave-absorbing substance, the first supporting particles, the second supporting particles and the aqueous binder is adopted to absorb microwaves, with the cooperation of the combustion method and the combustion device, a heat source is provided for the waste gas treatment process in a mode of converting microwave energy into heat energy inside the comburent, so that the heat transfer rate is higher, the heating speed is high, the heat loss is small, the operation is convenient, no sharp corner exists inthe shell of the combustion device, with the cooperation of a ventilation reflection plate and the conical flange, the microwaves are reflected into the shell to uniformly act on the comburent, so that the energy loss is reduced, the heat conversion rate of the comburent is increased, and an outer thermal insulation plate, a wave absorption coating and an inner thermal insulation plate are arranged, so that the safety of combustion treatment of the waste gas is improved.