Heat-insulated high-temperature reactor
The invention relates to a high-temperature reactor whose high-temperature heat insulation ( 3 ) is made from a loosely layered insulating material. A longitudinal expansion gap ( 5 ) or a flexible insulating material for compensating for longitudinal expansions of the insulating material is provided at at least one end of the high-temperature reactor.
1 . High-temperature reactor with heat insulation, characterized in that the heat insulation is formed from loosely layered high-temperature insulating material.
2 . High-temperature reactor according to claim 1 , wherein the heat insulation is made of cylindrical forms.
3 . High-temperature reactor according to claim 1 , wherein the heat insulation is made of plate-shaped forms.
4 . High-temperature reactor according to claim 2 , wherein the forms are divided over their periphery.
5 . High-temperature reactor according to claim 1 , wherein there is inner and outer heat insulation, the inner heat insulation having a higher density, hardness and temperature resistance than the outer heat insulation and the inner heat insulation with forms being loosely layered.
6 . High-temperature reactor according to claim 5 , wherein the inner heat insulation is separated relative to the outer heat insulation by a gap, and they can move freely against one another.
7 . High-temperature reactor according to claim 5 , wherein the outer heat insulation is securely anchored at least on one end side of the high-temperature reactor.
8 . High-temperature reactor according to claim 1 , wherein the insulating material has a porous foam and/or fiber structure.
9 . High-temperature reactor of claim 1 , wherein the heat insulation is designed for heat conduction of from 0.14 to 0.5 W/mK at temperatures of up to 1600° C.
10 . High-temperature reactor according to claim 1 , wherein the heat insulation has long-term resistance at temperatures exceeding 1600° C.
11 . High-temperature reactor according to claim 1 , wherein the heat insulation consists of high-temperature-resistant materials, especially Al 2 O 3 and/or SiO 2 and/or ZrO 2 and/or tungsten.
12 . High-temperature reactor according to claim 1 , wherein the heat insulation has a low density of from 0.1 to 1 kg/m 3 , preferably 0.15 to 0.7 kg/m 3 , especially preferably 0.19 to 0.5 kg/m 3 .
13 . High-temperature reactor according to claim 1 , wherein the insulating material is soft and flexible, but has a stable shape.
14 . High-temperature reactor according to claim 1 , wherein the surface of the insulating material has been subjected to surface treatment.
15 . High-temperature reactor according to claim 1 , wherein on at least one end side of the high-temperature reactor, there is a linear expansion gap or flexible insulating material for compensation of linear expansion of the insulating material.
16 . High-temperature reactor according to claim 1 , wherein the insulating parts are connected to one another by formed parts or binders.
17 . High-temperature reactor according to claim 1 , wherein the high-temperature reactor is made as a reactor for producing synthesis gas by means of partial oxidation of gaseous and/or liquid and/or solid fuels at temperatures exceeding 1000° C.
18 . High-temperature reactor according to claim 1 , wherein the high-temperature reactor has a geometrical shape that prevents large-area circulation flows and that promotes a directed gas flow in the high-temperature reactor, with a lengthwise extension from the inflow opening to the outflow opening.
19 . High-temperature reactor according to claim 1 , wherein the ratio of the diameter to the length of the high-temperature reactor is between 2/3 and 1/30, preferably between 1/2 and 1/20, and especially preferably between 4/10 and 1/10.