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Title:
DEVICE FOR PRODUCING NATURAL GAS HYDRATE AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2001010985
Kind Code:
A
Abstract:

To provide a device for producing natural gas hydrate, which can produce the natural gas hydrate and melt the natural gas hydrate to regenerate the natural gas.

This device for producing natural gas hydrate is obtained by connecting plural hydrate production units to each other in response to the components of the natural gas, connecting gas-extracting pipes to the upper space portions of hydrate storage tanks 12, respectively, and connecting the gas-extracting pipes to the downstream side generated gas mixer 16. Each of the hydrate production units comprises a pressure-resistant container 1, a porous plate 5 for dividing the inner space of the pressure-resistant container 1 into a gas space 6 and a gas-liquid contact space 2, a coil evaporator 3 disposed at two or more stages in the gas-liquid contact space, a freezer 8 for supplying a cooling medium to the coil evaporator 3, a hydrate storage tank 12 connected to the exit of the gas-liquid contact space 2 through a buffer tank 9, a raw material water-supplying piping 11 for supplying the water in the bottom portion of the hydrate storage tank 12 to the bottom portion in the gas-liquid contact space 2, and a means for supplying natural gas into the gas space 6.


Inventors:
MATSUMOTO YOSHIAKI
Application Number:
JP18645499A
Publication Date:
January 16, 2001
Filing Date:
June 30, 1999
Export Citation:
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Assignee:
MITSUI SHIPBUILDING ENG
International Classes:
C07C5/00; C07B61/00; C07B63/02; C07C7/20; C07C9/04; C07C9/06; C07C9/08; C07C9/10; (IPC1-7): C07C5/00; C07B61/00; C07B63/02; C07C7/20; C07C9/04; C07C9/06; C07C9/08; C07C9/10
Attorney, Agent or Firm:
Kawakita Takecho