CN210527349U - Pressure maintaining transfer device for natural gas hydrate sample - Google Patents
Pressure maintaining transfer device for natural gas hydrate sample Download PDFInfo
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- CN210527349U CN210527349U CN201921664800.8U CN201921664800U CN210527349U CN 210527349 U CN210527349 U CN 210527349U CN 201921664800 U CN201921664800 U CN 201921664800U CN 210527349 U CN210527349 U CN 210527349U
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Abstract
The embodiment of the utility model discloses a pressure maintaining transfer device of a natural gas hydrate sample, which relates to the technical field of pressure maintaining devices and comprises a pressure maintaining rack, wherein a water storage tank and a pressure barrel are sequentially arranged on the pressure maintaining rack from bottom to top, four groups of screw fasteners are arranged at the outer side of the pressure barrel at equal intervals, the top end of the pressure barrel is movably connected with a pressure barrel cover through the screw fasteners, a pressure applying valve and a pressure releasing valve are arranged on the pressure barrel cover, the pressure applying valve is screwed down to seal the inside of the pressure barrel, a self-locking quick-plugging joint can be disassembled at the moment, the pressure intensity in the pressure barrel can be observed through a pressure gauge, the device has smaller volume and is convenient to transport, the pressure intensity in the pressure barrel is the same as that of the pressure container, the pressure container can not leak due to larger pressure intensity difference, the probability of damage of the, the pressure barrel is in a low-temperature state, and the storage effect of the hydrate in the transportation process is enhanced.
Description
Technical Field
The embodiment of the utility model provides a pressurize transfer device of pressurizer technical field, concretely relates to natural gas hydrate sample is related to.
Background
The natural gas hydrate, namely the combustible ice, is an ice-like crystalline substance which is distributed in deep sea sediments or permafrost in land areas and is formed by natural gas and water under the conditions of high pressure and low temperature, and the combustible ice is a product under the conditions of low temperature and high pressure, so the combustible ice is very unstable and extremely easy to decompose at normal temperature and normal pressure, when the temperature is increased or the pressure is reduced, a sample is decomposed to destroy the original state of the sample, and the sample disappears after a little long time and is completely decomposed into water and gas.
The low-temperature freezing method needs to keep the hydrate in an environment of 50 ℃ below zero, and the transportation cost of the low-temperature freezing method is high, so that most hydrate samples are stored and transported by adopting a pressurization method, wherein the pressurization method is characterized in that water and inert gas are used as pressure media, the hydrate is placed in a pressure container, and the pressure in the pressure container is controlled to be 10-20MPa and then stored;
because the hydrate is stored by the pressurization method in a one-time storage mode, when the pressure container for storing the hydrate is damaged and leaked due to overlarge internal and external pressure difference, the internal pressure of the pressure container is reduced, or the hydrate is irreversibly damaged due to temperature rise of the pressure container in the long-time transportation process, the requirement on the manufacturing process of the pressure container is high, and the transportation cost of hydrate transportation is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a pressurize transfer device of natural gas hydrate sample to solve the higher problem of the higher cost of transportation of pressure vessel's among the prior art preparation technology requirement.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a pressure maintaining and transferring device for a natural gas hydrate sample comprises a pressurizing and placing rack, wherein a water storage tank and a pressure barrel are sequentially arranged on the pressurizing and placing rack from bottom to top, four groups of screw fasteners are equidistantly arranged on the outer side of the pressure barrel, the top end of the pressure barrel is movably connected with a pressure barrel cover through the screw fasteners, a pressure applying valve and a pressure releasing valve are arranged on the pressure barrel cover, and the pressure barrel and the water storage tank are communicated through a pressure boosting pump arranged on the pressurizing and placing rack;
the inside fixed mounting of pressure bucket has a plurality of to deposit the grid, the pressure bucket is shell, heat preservation, low temperature chamber and rigidity heat conduction wall from outer to interior in order, the inside low temperature chamber of pressure bucket extends to deposit the inside maintenance net intercommunication of grid.
As an optimized proposal of the utility model, the top outside of the pressure barrel is provided with a rubber sealing ring, the low temperature cavity and the rigid heat conducting wall and the cavity is arranged between the storage grids.
As an optimized scheme of the utility model, the outside equidistance of pressure bung distribute have four groups with the screw rod detains the block structure that matches, the bottom of pressure bung be equipped with the heavy groove that the pressure barrel matches.
As a preferred scheme of the utility model, the pressure-applying valve include with pressure bung fixed connection's valve joint, just the last movable block of pressure-applying valve has auto-lock quick connector, be connected with the manometer on the pressure-applying valve, auto-lock quick connector lead to pipe with the delivery outlet of booster pump is connected, be connected with the hose on the relief valve.
As the utility model discloses a preferred scheme, the storage water tank activity is placed the inside of pressurization rack, the side top of storage water tank is provided with the mouth that draws water of block water pipe, the input port of booster pump leads to pipe and passes the inside that the mouth that draws water extended to the storage water tank.
The utility model discloses an embodiment has following advantage:
the utility model discloses in putting the pressure vessel who deposits the hydrate into the storage grid in the pressure vessel, through starting the booster pump with the water injection pressure vessel in the storage water tank, and the water injection pipe through auto-lock quick connector and pressure valve butt joint, when reaching appropriate pressure in the pressure vessel, stop the booster pump operation and screw up the pressure valve for be sealed in the pressure vessel, at this moment can dismantle auto-lock quick connector, can observe the pressure in the pressure vessel through the manometer, make the less transportation of being convenient for of volume of device;
the pressure in the pressure barrel is the same as the pressure of the pressure container, so that the pressure container cannot leak due to large pressure difference, the probability of damage of the pressure container is reduced, the liquid nitrogen is injected into the low-temperature cavity through the liquid nitrogen injection port, and the liquid nitrogen is uniformly distributed in the pressure barrel through the low-temperature cavity, so that the pressure barrel is in a low-temperature state, and the storage effect of the hydrate in the transportation process is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a cross-sectional view of an embodiment of the present invention;
fig. 2 is a sectional view of a pressure barrel according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of the embodiment of the present invention;
fig. 4 is a schematic structural view of a pressure barrel according to an embodiment of the present invention;
fig. 5 is a schematic view of the installation of the pressure valve according to the embodiment of the present invention.
In the figure: 1-placing the rack under pressure; 2-pressure barrel; 3-pressure barrel cover; 4-a pressure valve; 5-a pressure relief valve; 6-a booster pump; 7-a water storage tank; 8-screw rod buckling; 9-storing the grating; 10-rubber sealing ring;
201-a housing; 202-insulating layer; 203-low temperature chamber; 204-rigid heat conducting walls;
401-pressure gauge; 402-valve joint; 403-self-locking quick connector.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a pressurize transfer device of natural gas hydrate sample, including pressurization rack 1, pressurization rack 1 is last by supreme storage water tank 7 and the pressure vessel 2 of having set gradually down, the inside at pressurization rack 1 is placed in the activity of storage water tank 7, the side top of storage water tank 7 is provided with the mouth that draws water of block water pipe, booster pump 6's input port leads to pipe and passes the inside that the mouth that draws water extends to storage water tank 7, when the drinking-water pipe passes the water filling port and stretches into in the storage water tank 7, because the drinking-water pipe is by the water filling port block, consequently, the drinking-water pipe is difficult to break away from in the storage water tank 7, through setting up booster pump 6 intercommunication on pressurization rack.
As shown in fig. 4, four sets of screw fasteners 8 are equidistantly arranged on the outer side of the pressure barrel 2, the top end of the pressure barrel 2 is movably connected with the pressure barrel cover 3 through the screw fasteners 8, a rubber seal ring 10 is arranged on the outer side of the top end of the pressure barrel 2, four sets of clamping structures matched with the screw fasteners 8 are equidistantly distributed on the outer side of the pressure barrel cover 3, a sinking groove matched with the pressure barrel 2 is formed in the bottom end of the pressure barrel cover 3, when a pressure container is placed in the pressure barrel 2, the pressure barrel cover 3 is installed on the top end of the pressure barrel 2 through the four sets of screw fasteners 8, the rubber seal ring 10 is extruded by the pressure barrel cover 3, and the sealing performance in.
As shown in fig. 4 and 5, a pressure applying valve 4 and a pressure relief valve 5 are arranged on the pressure barrel cover 3, the pressure applying valve 4 comprises a valve joint 402 fixedly connected with the pressure barrel cover 3, a self-locking quick-plugging connector 403 is movably clamped on the pressure applying valve 4, a pressure gauge 401 is connected on the pressure applying valve 4, the self-locking quick-plugging connector 403 is connected with an output port of the pressure boosting pump 6 through a water pipe, a hose is connected on the pressure relief valve 5, so that the water injection pipe is butted with the pressure applying valve 4 through the self-locking quick-plugging connector 403, when the pressure barrel 2 needs to be transported independently, the self-locking quick-plugging connector 403 is detached from the pressure applying valve 4, so that the pressurizing mechanism is detached while the inside of the pressure barrel 2 is in a sealed state, the hydrate is prevented from being decomposed due to too low pressure, when the;
as shown in fig. 2 and 3, a plurality of storage grids 9 are fixedly installed inside the pressure barrel 2, the pressure barrel 2 sequentially comprises a shell 201, an insulating layer 202, a low-temperature cavity 203 and a rigid heat conducting wall 204 from outside to inside, the low-temperature cavity 203 inside the pressure barrel 2 extends to the inside of the storage grids 9 to maintain grid communication, liquid nitrogen is injected into the low-temperature cavity 203 to refrigerate the rigid heat conducting wall 204 through the liquid nitrogen, so that the pressure barrel 2 is in a low-temperature state, a pressure container placed in the storage grids 9 is in a low-temperature state, storage of hydrates is facilitated, a cavity is arranged between the low-temperature cavity 203 and the rigid heat conducting wall 204 and the storage grids 9, and the liquid nitrogen cools the rigid heat conducting wall 204 and the storage grids 9 through the cavity due to the temperature of-196 ℃, so that the temperature inside the pressure barrel 2 is not too low.
The method comprises the following steps of putting a pressure container for storing hydrate into a storage grid 9 in a pressure barrel 2, injecting water in a water storage tank 7 into the pressure barrel 2 by starting a booster pump 6, butting a water injection pipe with a pressure applying valve 4 through a self-locking quick-connection plug 403, stopping the booster pump 6 from operating and screwing the pressure applying valve 4 when the pressure barrel 2 reaches proper pressure, so that the pressure barrel 2 is sealed, detaching the self-locking quick-connection plug 403 at the moment, observing the pressure in the pressure barrel 2 through a pressure gauge 401, and ensuring that the device is small in size and convenient to transport;
the pressure in the pressure barrel 2 is the same as the pressure of the pressure container, so that the pressure container cannot leak due to large pressure difference, the probability of damage of the pressure container is reduced, the liquid nitrogen is injected into the low-temperature cavity 203 through the liquid nitrogen injection opening, the liquid nitrogen is uniformly distributed in the pressure barrel 2 through the low-temperature cavity 203, the pressure barrel 2 is in a low-temperature state, and the storage effect in the hydrate transportation process is enhanced.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a pressurize transfer device of natural gas hydrate sample which characterized in that: the device comprises a pressurizing placement frame (1), wherein a water storage tank (7) and a pressure barrel (2) are sequentially arranged on the pressurizing placement frame (1) from bottom to top, four groups of screw fasteners (8) are equidistantly arranged on the outer side of the pressure barrel (2), the top end of the pressure barrel (2) is movably connected with a pressure barrel cover (3) through the screw fasteners (8), a pressure applying valve (4) and a pressure releasing valve (5) are arranged on the pressure barrel cover (3), and the pressure barrel (2) and the water storage tank (7) are communicated through a pressurizing pump (6) arranged on the pressurizing placement frame (1);
the pressure barrel is characterized in that a plurality of storage grids (9) are fixedly mounted inside the pressure barrel (2), storage loading positions for storing sample cylinders are arranged in the storage grids (9), the pressure barrel (2) is sequentially provided with a shell (201), a heat insulation layer (202), a low-temperature cavity (203) and a rigid heat conduction wall (204) from outside to inside, and the low-temperature cavity (203) inside the pressure barrel (2) extends to the inside of the storage grids (9) to maintain grid communication.
2. The pressure maintaining and transferring device for the natural gas hydrate sample according to claim 1, wherein a rubber sealing ring (10) is arranged on the outer side of the top end of the pressure barrel (2), and a cavity is arranged between the low temperature cavity (203) and the rigid heat conducting wall (204) and the storage grid (9).
3. The pressure maintaining and transferring device for the natural gas hydrate sample according to claim 1, wherein four groups of clamping structures matched with the screw fasteners (8) are equidistantly distributed on the outer side of the pressure barrel cover (3), and the bottom end of the pressure barrel cover (3) is provided with a sinking groove matched with the pressure barrel (2).
4. The pressure maintaining and transferring device for the natural gas hydrate sample according to claim 1, wherein the pressure applying valve (4) comprises a valve joint (402) fixedly connected with the pressure barrel cover (3), a self-locking quick-insertion connector (403) is movably clamped on the pressure applying valve (4), a pressure gauge (401) is connected on the pressure applying valve (4), the self-locking quick-insertion connector (403) is connected with an output port of the pressure boosting pump (6) through a water pipe, and a hose is connected on the pressure relieving valve (5).
5. The pressure maintaining and transferring device for the natural gas hydrate sample according to claim 1, wherein the water storage tank (7) is movably placed inside the pressurizing and placing rack (1), a water pumping port clamped with a water pipe is arranged above the side of the water storage tank (7), and the input port of the pressurizing pump (6) extends to the inside of the water storage tank (7) through the water pumping port by a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664800.8U CN210527349U (en) | 2019-10-08 | 2019-10-08 | Pressure maintaining transfer device for natural gas hydrate sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664800.8U CN210527349U (en) | 2019-10-08 | 2019-10-08 | Pressure maintaining transfer device for natural gas hydrate sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210527349U true CN210527349U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921664800.8U Expired - Fee Related CN210527349U (en) | 2019-10-08 | 2019-10-08 | Pressure maintaining transfer device for natural gas hydrate sample |
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| CN (1) | CN210527349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221432A (en) * | 2020-09-25 | 2021-01-15 | 河南理工大学 | Hydrate generating, storing and transporting integrated device |
-
2019
- 2019-10-08 CN CN201921664800.8U patent/CN210527349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221432A (en) * | 2020-09-25 | 2021-01-15 | 河南理工大学 | Hydrate generating, storing and transporting integrated device |
| CN112221432B (en) * | 2020-09-25 | 2022-11-22 | 河南理工大学 | Hydrate generating, storing and transporting integrated device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20211008 |