A system for sealing an unheading or isolation valve in a petroleum refining process. Some aspects relate to a bellows seal for preventing leakage of petroleum product and steam within the valve. Some aspects relate to a restrictor for restricting the motion of a dynamic seat relative to a seat base structure.

Some aspects of the present invention relate to a system for sealing an unheading or isolation valve in a petroleum refining process. Some aspects relate to a bellows seal for preventing leakage of petroleum product and steam within the valve. Some aspects relate to a restrictor for restricting the motion of a dynamic seat relative to a seat base structure.

Some aspects of the present invention relate to a system for sealing an unheading or isolation valve in a petroleum refining process. Some aspects relate to a bellows seal for preventing leakage of petroleum product and steam within the valve. Some aspects relate to a restrictor for restricting the motion of a dynamic seat relative to a seat base structure.

The present invention relates to recycling tires and the like utilizing a microwave service controlling the pressure from such a process enables a more even temperature and helps prevent the build-up of explosive gas.

The present invention relates to recycling tires and the like utilizing a microwave service controlling the pressure from such a process enables a more even temperature and helps prevent the build-up of explosive gas.

Coke oven door sealing device for sealing a coke oven door against a sealing surface of a coke oven door frame of a coke oven chamber, the coke oven door sealing device comprising: a coke oven door having a panel unit for closing the coke oven chamber; a fixture device for holding a sealing piece in a peripheral area of the coke oven door opposite to the sealing surface; the sealing piece, wherein the sealing piece is configured to be operated in a first operating state or a second operating state; wherein, in a first operating state, the sealing piece is spaced at a first distance from the sealing surface arranged opposite of the sealing piece; wherein, in a second operating state, the sealing piece contacts the sealing surface; such that in the second operating state, the sealing piece and the panel unit at least partially shape a cavity and wherein the coke oven door sealing device (1) further comprises a first insulation element (14) for thermally insulating the sealing piece (13), wherein the first insulation element (14) is arranged on the fixture device (11).

Coke oven door sealing device for sealing a coke oven door against a sealing surface of a coke oven door frame of a coke oven chamber, the coke oven door sealing device comprising: a coke oven door having a panel unit for closing the coke oven chamber; a fixture device for holding a sealing piece in a peripheral area of the coke oven door opposite to the sealing surface; the sealing piece, wherein the sealing piece is configured to be operated in a first operating state or a second operating state; wherein, in a first operating state, the sealing piece is spaced at a first distance from the sealing surface arranged opposite of the sealing piece; wherein, in a second operating state, the sealing piece contacts the sealing surface; such that in the second operating state, the sealing piece and the panel unit at least partially shape a cavity and wherein the coke oven door sealing device (1) further comprises a first insulation element (14) for thermally insulating the sealing piece (13), wherein the first insulation element (14) is arranged on the fixture device (11).

The present technology relates to systems and methods for reducing leaks in a system for coking coal. For example, some embodiments provide systems and method for treating a cracked or leaking surface in a system for coking coal. In particular, the present technology includes systems having one or more substances configured to reduce an airflow through one or more cracks by creating an at least partially impermeable patch. The present technology further includes methods for treating surfaces having one or more cracks to reduce an airflow through the one or more cracks.

The present technology relates to systems and methods for reducing leaks in a system for coking coal. For example, some embodiments provide systems and method for treating a cracked or leaking surface in a system for coking coal. In particular, the present technology includes systems having one or more substances configured to reduce an airflow through one or more cracks by creating an at least partially impermeable patch. The present technology further includes methods for treating surfaces having one or more cracks to reduce an airflow through the one or more cracks.

The present invention relates to recycling tires and the like utilizing a microwave service controlling the pressure from such a process enables a more even temperature and helps prevent the build-up of explosive gas.