Volume measurement equipment and method for natural gas hydrate
A technology of volume measurement and hydrate, applied in the field of volume measurement of natural gas hydrate
Active Publication Date: 2020-03-06
GUANGZHOU MARINE GEOLOGICAL SURVEY
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Problems solved by technology
[0009] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a volume measurement device and method for natural gas hydrate, so as to solve the problem that the existing technology cannot measure the volume of the natural gas hydrate sample while maintaining the original state of the natural gas hydrate sample. The problem with making precise measurements
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[0040] The embodiments of the present invention are described below with reference to the drawings. The elements and features described in one drawing or one embodiment of the present invention may be combined with the elements and features shown in one or more other drawings or embodiments. It should be noted that for the purpose of clarity, the representation and description of components or processes that are not related to the present invention and known to those of ordinary skill in the art are omitted in the drawings and descriptions.
[0041] The present invention will be further described below in conjunction with the drawings.
[0042] The gas hydrate volume measurement equipment of this embodiment can be applied to the research of marine gas hydrate and the measurement of its irregular volume in the process of mining, that is, while maintaining the original state of the gas hydrate samples, The volume of the natural gas hydrate sample is accurately determined.
[0043] Su...
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The invention discloses a volume measuring device and method for a natural gas hydrate. The volume measuring device for the natural gas hydrate comprises a measuring bin, a constant temperature device, a gas absorption bottle, a gas inlet device and a weighing device; a first truncation valve is arranged on a connecting pipeline; a calcium chloride solution is contained in the gas absorption bottle; during measuring, the first truncation valve is closed firstly, the measuring bin is filled with carbon dioxide gas through the gas inlet device, when the measuring bin is full of the carbon dioxide gas, the first truncation valve is opened, the measuring bin is filled with inert gas through the gas inlet device, the inert gas carries the carbon dioxide gas into the gas absorption bottle alongthe connecting pipeline, and the carbon dioxide gas reacts with the calcium chloride solution to generate calcium carbonate solids; and the weighing device is used for weighing the weight of the calcium carbonate solids. According to the technical scheme, the problem that in the prior art, the volume of a natural gas hydrate sample cannot be accurately measured under the condition of maintaining the original state of the natural gas hydrate sample can be effectively solved.
Description
Technical field [0001] The invention relates to the technical field of volume measurement of natural gas hydrate, and in particular to a volume measurement device and method of natural gas hydrate. Background technique [0002] Natural gas hydrate is widely distributed in deep-sea sediments and is an ice-like crystalline substance formed by methane gas and water under high pressure and low temperature conditions. Because it looks like ice and can burn when exposed to fire, it is also called "flammable ice". 1 cubic meter of natural gas hydrate can be converted into 164 cubic meters of natural gas and 0.8 cubic meters of water. There is almost no residue after combustion. The pollution is much smaller than that of coal, oil, and natural gas, and it is widely distributed globally, so it has a very High resource value. With the continuous development of my country's economic strength and science and technology, marine gas hydrate investigation and trial exploitation are being vigo...
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IPC IPC(8): G01F22/00
CPCG01F22/00
Inventor 程思海于宗泽刘梓锐吉炽权张欣蒋雪筱
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY