Back to results
US 9,533,277 B2Granted
Device for producing gas hydrate
AssigneeMitsui Engineering & Shipbuilding Co., Ltd.
InventorsNobutaka Ohya, Noriya Tokunaga, Tetsuo Hayase, Masahiro Takahashi
Life of this patent
Estimating the term…
Abstract
To enable long-term continuous operation by preventing blocking of a reaction pipe line disposed in a multi-pipe or double-walled-pipe heat exchanger, provided is a device for producing gas hydrate including a multi-pipe or double-walled-pipe device 1 for generating gas hydrate having a reaction pipe line 2 for flowing raw material water w and raw material gas g and a coolant circulation region 3 for circulating a coolant c and thereby cooling the reaction pipe line 2, wherein a coil spring 4 extending in the longitudinal direction of the reaction pipe line 2 is provided in the reaction pipe line 2.
Claims16
A device for producing gas hydrate, comprising:
- a multi-pipe or double-walled-pipe device for generating gas hydrate, the multi-pipe or double-walled-pipe device having a reaction pipe line for flowing raw material water and raw material gas, and a coolant circulation region for circulating a coolant and thereby cooling the reaction pipe line, the reaction pipe line having an inner wall,
- a coil spring arranged inside the reaction pipe line along the longitudinal direction of the reaction pipe line, the coil spring being deformable in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction, and the coil spring having an outer diameter dimensioned relative to the inner wall of the reaction pipe line such that the coil spring can be brought into contact with the inner wall of the reaction pipe when the coil spring is deformed,
- a plurality of baffle plates arranged in spaced apart relation along the length of the coil spring, each of the baffle plates having a first end on the coil spring and a second end extending in cantilever fashion toward the center of the reaction pipe,
- wherein the baffle plates are configured to receive the flow of the raw material water in the reaction pipe line and cause the coil spring to deform and be brought into contact with the inner wall of the reaction pipe line.
1 more element
A device for producing gas hydrate, comprising:
- a multi-pipe or double-walled-pipe device for generating gas hydrate, the multi-pipe or double-walled-pipe device having a reaction pipe line for flowing raw material water and raw material gas, and a coolant circulation region for circulating a coolant and thereby cooling the reaction pipe line, the reaction pipe line having an inner wall,
- a coil spring arranged inside the reaction pipe along the longitudinal direction of the reaction pipe line, the coil spring being deformable in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction, and the coil spring having an outer diameter dimensioned relative to the inner wall of the reaction pipe line such that the coil spring can be brought into contact with the inner wall of the reaction pipe when the coil spring is deformed,
- a plurality of baffle plates arranged in spaced apart relation along the length of the coil spring, each of the baffle plates having a first end on the coil spring and a second end extending in cantilever fashion toward the center of the reaction pipe,
- wherein the baffle plates receive the flow of the raw material water, by which the coil spring is configured to deform in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction, and
- a merging portion on a side upstream of the reaction pipe line where the raw material gas is merged with the raw material water.
2 more elements
A device for producing gas hydrate, comprising:
- a multi-pipe or double-walled-pipe device for generating gas hydrate, the multi-pipe or double-walled-pipe device having a reaction pipe line for flowing raw material water and raw material gas and a coolant circulation region for circulating a coolant and thereby cooling the reaction pipe line, the reaction pipe line having a merging portion therein where the raw material water and the raw material gas are merged and an inner wall,
- a coil spring arranged inside the reaction pipe line along the longitudinal direction of the reaction pipe line, the coil spring being deformable in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction, and the coil spring having an outer diameter dimensioned relative to the inner wall of the reaction pipe line such that the coil spring can be brought into contact with the inner wall of the reaction pipe when the coil spring is deformed, and
- a plurality of baffle plates arranged in spaced apart relation along the length of the coil spring, each of the baffle plates having a first end on the coil spring and a second end extending in cantilever fashion toward the center of the reaction pipe,
- wherein the baffle plates receive the flow of the raw material water, by which the coil spring is configured to deform in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction.
1 more element
A device for producing gas hydrate, comprising:
- a multi-pipe or double-walled-pipe device for generating gas hydrate, the multi-pipe or double-walled-pipe device having a reaction pipe line for flowing raw material water and raw material gas and merging the raw material water and the raw material gas therein, and a coolant circulation region for circulating a coolant and thereby cooling the reaction pipe line, the reaction pipe line having an inner wall,
- a coil spring arranged inside the reaction pipe line along the longitudinal direction of the reaction pipe line, the coil spring being deformable in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction, and the coil spring having an outer diameter dimensioned relative to the inner wall of the reaction pipe line such that the coil spring can be brought into contact with the inner wall of the reaction pipe when the coil spring is deformed,
- a plurality of baffle plates arranged in spaced apart relation along the length of the coil spring, each of the baffle plates having a first end on the coil spring and a second end extending in cantilever fashion toward the center of the reaction pipe,
- wherein the baffle plates receive the flow of the raw material water, by which the coil spring is configured to deform in the longitudinal direction of the reaction pipe line and in a direction perpendicular to the longitudinal direction, and
- the raw material gas is merged with the raw material water in the reaction pipe line, and further
- means for setting a temperature of a merging portion of the reaction pipe line higher than an equilibrium temperature.
3 more elements
Dependencies are inferred from the claim text.