Tube furnace for thermal decomposition process
阅读：651发布：2022-05-01
专利汇可以提供Tube furnace for thermal decomposition process专利检索，专利查询，专利分析的服务。并且A tube furnace for a thermal decomposition reaction in which a fluid traverses a multiplicity of parallel tubes extending through a housing, a plurality of thermal radiating webs being interposed between the tubes to prevent them from casting radiation shadows upon one another and creating non-uniformly heated tube walls.，下面是Tube furnace for thermal decomposition process专利的具体信息内容。
1. A tube furnace comprising a radiation chamber, a multiplicity of furnace tubes in said chamber and in spaced apart relation, heating means in said chamber for heating said tubes, and radiating surfaces in said chamber disposed along said tubes for absorbing heat from said chambers and reradiating heat to said tubes to maintain the heat transfer per unit surface thereof substantially constant all along and around said tubes, said tubes being disposed in at least two planar and mutually parallel arrays with the tubes of one array being offset with respect to the tubes of the other array by about half the distance between the tubes of each array and each of said tubes is flanked by a pair of said radiating surfaces each extending perpendicular to the plane of the axis of the tubes of the respective array, each of said radiating surfaces being a planar strip of a width at least equal to that of the diameter of the tube disposed midway between a pair of tubes of each array and said radiating surfaces include like strips disposed equidistantly between each tube of one array and a pair of tubes of the other array and perpendicular to common axial plane of the tubes between which the strips are disposed.
2. The tube furnace defined in claim 1 wherein said radiating surfaces are formed as ignition-resistant foils.
3. The tube furnace defined in claim 1 wherein said radiating surfaces are formed as bands of refractory material.
4. The tube furnace defined in claim 1 wherein said radating surfaces extend parallel to said tubes and perpendicular to common axial planes between pairs of tubes.
5. A tube furnace comprising a radiation chamber, a multiplicity of furnace tubes in said chamber and in spaced apart relation, heating means in said chamber for heating said tubes, radiating surfaces in said chamber disposed along said tubes for absorbing heat from said chambers and reradiating heat to said tubes to maintain the heat transfer per unit surface thereof substantially constant all along and around said tubes, and springs positioning said radiating surfaces in said chamber.
6. The tube furnace defined in claim 5 wherein said tubes are disposed in at least two planar and mutually parallel arrays with the tubes of one array being offset with respect to the tubes of the other array by about half the distance between the tubes of each array and each of said tubes is flanked by a pair of said radiating surfaces each extending perpendicular to the plane of the axis of the tubes of the respective array.
7. The tube furnace defined in claim 6 wherein each of said Radiating surfaces is a planar strip disposed midway between a pair of tubes of each array and said radiating surfaces include like strips disposed equidistantly between each tube of one array and a pair of tubes of the other array and perpendicular to common axial plane of the tubes between which the strips are disposed.
8. The tube furnace defined in claim 5 wherein said radiation surfaces are formed as ignition-resistant foils.
9. The tube furnace defined in claim 5 wherein said radiation surfaces are formed as bands of refractory material.
10. A tube furnace comprising a radiation chamber, a multiplicity of furnace tubes in said chamber and in spaced apart relation, heating means in said chamber for heating said tubes, radiating surfaces in said chamber disposed along said tubes for absorbing heat from said chambers and reradiating heat to said tubes to maintain the heat transfer per unit surface thereof substantially constant all along and around said tubes, said tubes being disposed in at least two planar and mutually parallel arrays with the tubes of one array being offset with respect to the tubes of the other array by about half the distance between the tubes of each array and each of said tubes is flanked by a pair of said radiating surfaces each extending perpendicular to the plane of the axis of the tubes of the respective array, each of said radiating surfaces being a planar strip disposed midway between a pair of tubes of each array and said radiating surfaces include like strips disposed equidistantly between each tube of one array and a pair of tubes of the other array and perpendicular to common axial plane of the tubes between which the strips are disposed, and spring means mounting each of said strips in said furnace.
11. The tube furnace defined in claim 10 wherein said strips each have a width at least equal to the outer diameter of said tubes.
12. The tube furnace defined in claim 11 wherein each of said strips is spaced from a juxtaposed tube by a distance greater than its width.
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