CN216280621U - Inert gas sealing device of low-temperature normal-pressure liquid storage tank for industrial gas manufacturing - Google Patents

Inert gas sealing device of low-temperature normal-pressure liquid storage tank for industrial gas manufacturing Download PDF

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Publication number
CN216280621U
CN216280621U CN202121977352.4U CN202121977352U CN216280621U CN 216280621 U CN216280621 U CN 216280621U CN 202121977352 U CN202121977352 U CN 202121977352U CN 216280621 U CN216280621 U CN 216280621U
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tank body
tank
pipe
liquid storage
inert gas
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任萌萌
宋天鹏
段泽宁
李彦龙
秦云亮
孙江朝
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Hebei Yingde Gas Co ltd
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Hebei Yingde Gas Co ltd
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Abstract

The utility model discloses an inert gas sealing device of a low-temperature normal-pressure liquid storage tank for manufacturing industrial gas, which comprises a base, a first tank body and a second tank body, wherein the top end surface of the base is provided with the second tank body through a fixing block, the inner wall of the second tank body is fixedly provided with the first tank body, one end of the second tank body is fixedly embedded with a first shell, one end of the second tank body, which is far away from the first shell, is fixedly embedded with a second shell, one end of the first tank body is fixedly embedded with an air outlet pipe, a valve is arranged on the air outlet pipe, one end of the first tank body, which is far away from the air outlet pipe, is fixedly embedded with an air inlet pipe, the front end of the outer surface of the second tank body is provided with a negative pressure pump, the negative pressure pump is in gas communication with the second tank body, the top end surface and the bottom end surface of the inner wall of the second tank body are both provided with coil pipes, and the rear end of the outer surface of the second tank body is provided with a water tank. The utility model has the advantages of convenient operation, high storage safety and better practicability.

Description

Inert gas sealing device of low-temperature normal-pressure liquid storage tank for industrial gas manufacturing
Technical Field
The utility model relates to the technical field of industrial gas manufacturing, in particular to an inert gas sealing device of a low-temperature normal-pressure liquid storage tank for industrial gas manufacturing.
Background
The structure and the type of a cryogenic liquid storage tank and a cryogenic liquid storage tank are that in recent years, the cryogenic liquid market is red fire day by day, and the sales volume of liquid oxygen, liquid argon, liquid nitrogen, liquid carbon dioxide and LNG natural gas is greatly increased, so that the cryogenic liquid storage tank and the cryogenic liquid storage tank become important parts of non-steel products of iron and steel enterprises. The production, storage and transportation of low-temperature liquid can not be separated from the heat-insulating storage tank, and they are installed and used in large quantities.
However, the existing low-temperature liquid storage tank is low in safe operation reliability due to the fact that the low-temperature liquid storage tank is supplied by an external air source, the consumption of sealing gas is high, and the actual storage and use in the later period are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an inert gas sealing device of a low-temperature normal-pressure liquid storage tank for manufacturing industrial gas, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an industrial gas makes with low temperature ordinary pressure liquid storage tank inert gas sealing device, includes the base, the first jar of body and the second jar of body, the second jar of body is installed through the fixed block to the top face of base, and the inner wall fixed mounting of the second jar of body has the first jar of body, the one end embedding of the second jar of body is fixed with first shell, and the one end embedding that the second jar of body deviates from first shell is fixed with the second shell, the one end embedding of the first jar of body is fixed with the outlet duct, and installs the valve on the outlet duct, the one end embedding that the first jar of body deviates from the outlet duct is fixed with the intake pipe, the negative pressure pump is installed to the surface front end of the second jar of body, and negative pressure pump and the gaseous intercommunication of the second jar of body, the coil pipe is all installed to the inner wall top face and the bottom face of the second jar of body, the water tank is installed to the surface rear end of the second jar of body.
Preferably, the bottom end face of the base is fitted with four supporting blocks, and the four supporting blocks are distributed in a rectangular array relative to the base.
Preferably, a second connecting pipe is fixedly embedded into one end of the second tank body, and a first connecting pipe is fixedly embedded into one end of the second tank body, which deviates from the second connecting pipe.
Preferably, a pressure reducing pipe is fixedly embedded in the top end surface of the second tank, and a pressure reducing valve is mounted on the pressure reducing pipe.
Preferably, the second cover plate is connected to the second shell through threads, and the first cover plate is connected to the first shell through threads.
Preferably, install the water pump in the water tank, install the inlet tube on the water pump, and inlet tube and coil pipe liquid intercommunication.
Preferably, the coil pipe is provided with a water outlet pipe, and the coil pipe is communicated with the water tank through the water outlet pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, by arranging the first tank body, when an operator uses the first tank body to store inert gas, the operator opens the second cover plate and then injects gas into the first tank body through the gas inlet pipe to store the inert gas, after the inert gas is stored, opens the valve on the gas outlet pipe after opening the first cover plate on the first shell and discharges the inert gas through the gas outlet pipe, and closes the valve, the first cover plate and the second cover plate again after discharging to seal the first tank body, so that the first tank body is prevented from being leaked, the practicability is higher, the later-stage sealing is convenient and fast, and the operator can operate more conveniently.
2. According to the utility model, by arranging the second tank body, after an operator stores inert gas through the first tank body, the operator can open the negative pressure pump through the external power supply to vacuumize the second tank body, after extraction, the operator can externally connect the nitrogen pipeline through the first connecting pipe and the second connecting pipe, so that the first tank body is refrigerated and stored after nitrogen enters the second tank body, external gas is prevented from entering the first tank body, and the operator can open the water pump through the external power supply to pump water in the water tank into the coil pipe, heat preservation can be carried out on the second tank body through the water flowing in the coil pipe, over-high and over-low temperature is prevented, and the operator can relieve pressure in the second tank body through the pressure reducing valve, so that the internal pressure is prevented from being too high, the practicability is higher, the later-stage sealing storage is more convenient, and the safety is higher during storage.
Drawings
FIG. 1 is a schematic diagram of the internal structure of the present invention in a front view;
FIG. 2 is a schematic view of the external appearance structure of the present invention;
FIG. 3 is a rear view of the present invention;
fig. 4 is a schematic top view of the coil according to the present invention.
In the figure: 1. a support block; 2. a first connecting pipe; 3. a base; 4. a coil pipe; 5. a fixed block; 6. a second connecting pipe; 7. a first housing; 8. a first cover plate; 9. an air outlet pipe; 10. a valve; 11. a first tank; 12. a second tank; 13. a pressure reducing tube; 14. a pressure reducing valve; 15. an air inlet pipe; 16. a second cover plate; 17. a second housing; 18. a negative pressure pump; 19. a water inlet pipe; 20. a water pump; 21. a water tank; 22. and (5) discharging a water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, an embodiment of the present invention includes: a low-temperature normal-pressure liquid storage tank inert gas sealing device for manufacturing industrial gas comprises a base 3, a first tank body 11 and a second tank body 12, wherein the top end face of the base 3 is provided with the second tank body 12 through a fixing block 5, the inner wall of the second tank body 12 is fixedly provided with the first tank body 11, the bottom end face of the base 3 is provided with four supporting blocks 1 in an attaching mode, the four supporting blocks 1 are distributed in a rectangular array mode relative to the base 3, one end of the second tank body 12 is fixedly embedded with a second connecting pipe 6, one end, far away from the second connecting pipe 6, of the second tank body 12 is fixedly embedded with a first connecting pipe 2, the top end face of the second tank body 12 is fixedly embedded with a pressure reducing pipe 13, a pressure reducing valve 14 is arranged on the pressure reducing pipe 13, one end of the second tank body 12 is fixedly embedded with a first shell 7, and one end, far away from the first shell 7, of the second tank body 12 is fixedly embedded with a second shell 17, second apron 16 is connected with through threaded connection on the second shell 17, and there is first apron 8 through threaded connection on the first shell 7, the one end embedding of the first jar of body 11 is fixed with outlet duct 9, and install valve 10 on the outlet duct 9, through setting up the first jar of body 11, operating personnel is when using the first jar of body 11 to save inert gas, personnel deposit through the injected gas in the intake pipe 15 to the first jar of body 11 after opening second apron 16, deposit the back through opening first apron 8 on the first shell 7, open valve 10 accessible outlet duct 9 on the outlet duct 9 and discharge inert gas, and close valve 10 once more after discharging, first apron 8 and second apron 16 seal first jar of body 11, prevent that the first jar of body 11 from revealing, make the practicality higher, the later stage is sealed convenient and fast, personnel's operation is more convenient.
An air inlet pipe 15 is fixedly embedded in one end, deviating from the air outlet pipe 9, of the first tank body 11, a negative pressure pump 18 is installed at the front end of the outer surface of the second tank body 12, the negative pressure pump 18 is in gas communication with the second tank body 12, a coil pipe 4 is installed on the top end face and the bottom end face of the inner wall of the second tank body 12, a water tank 21 is installed at the rear end of the outer surface of the second tank body 12, a water pump 20 is installed in the water tank 21, a water inlet pipe 19 is installed on the water pump 20, the water inlet pipe 19 is in liquid communication with the coil pipe 4, a water outlet pipe 22 is installed on the coil pipe 4, the coil pipe 4 is in liquid communication with the water tank 21 through the water outlet pipe 22, through the second tank body 12, after inert gas is stored in the first tank body 11 through the first tank body 11, the negative pressure pump 18 can be opened by an external power supply by personnel, vacuum can be extracted from the second tank body 12, the personnel can store the first tank body 11 through the first connecting pipe 2 and the external nitrogen pipeline through the second connecting pipe 6 after the nitrogen enters the nitrogen gas, and the nitrogen enters the second tank body 12, the first tank body 11 In the jar body 11, and personnel can external power supply open water pump 20 and extract the water in the water tank 21 and get into in the coil pipe 4, can keep warm in the second jar body 12 through the water that flows in the coil pipe 4, prevent that the high temperature is crossed low to personnel's accessible relief pressure valve 14 carries out the pressure release to the second jar body 12 in, prevents that internal pressure is too big, makes the practicality higher, and the later stage is sealed to deposit more conveniently, and the security is higher when just depositing.
The working principle is as follows: when operating personnel used first jar of body 11 to save inert gas, personnel deposit through intake pipe 15 in first jar of body 11 after opening second apron 16, deposit the back through opening first apron 8 on first shell 7, open valve 10 accessible outlet duct 9 on the outlet duct 9 and discharge inert gas, and close valve 10 once more after discharging, first apron 8 and second apron 16 seal first jar of body 11, prevent that first jar of body 11 from revealing. After the inert gas is stored by the first tank body 11, the negative pressure pump 18 can be opened by an external power supply by personnel, the second tank body 12 can be vacuumized, the first connecting pipe 2 and the second connecting pipe 6 are externally connected with a nitrogen pipeline, the first tank body 11 can be refrigerated and stored after the nitrogen enters the second tank body 12, the external gas is prevented from entering the first tank body 11, the water pump 20 can be opened by the external power supply by personnel, the water in the water tank 21 is extracted by the water pump 20, the water enters the coil pipe 4, the water flowing in the coil pipe 4 can insulate the heat in the second tank body 12, the temperature is prevented from being too high and too low, the pressure relief valve 14 can be used for relieving the pressure in the second tank body 12 by personnel, and the internal pressure is prevented from being too large.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an industrial gas makes with low temperature ordinary pressure liquid storage tank inert gas sealing device, includes base (3), the first jar of body (11) and the second jar of body (12), its characterized in that: the top end face of the base (3) is provided with a second tank body (12) through a fixing block (5), the inner wall of the second tank body (12) is fixedly provided with a first tank body (11), one end of the second tank body (12) is embedded and fixed with a first shell (7), one end of the second tank body (12) deviating from the first shell (7) is embedded and fixed with a second shell (17), one end of the first tank body (11) is embedded and fixed with an air outlet pipe (9), a valve (10) is arranged on the air outlet pipe (9), one end of the first tank body (11) deviating from the air outlet pipe (9) is embedded and fixed with an air inlet pipe (15), the front end of the outer surface of the second tank body (12) is provided with a negative pressure pump (18), the negative pressure pump (18) is in gas communication with the second tank body (12), and the top end face and the bottom end face of the inner wall of the second tank body (12) are both provided with a coil pipe (4), and the rear end of the outer surface of the second tank body (12) is provided with a water tank (21).
2. The inert gas sealing device for a low-temperature normal-pressure liquid storage tank for industrial gas production according to claim 1, wherein: the bottom end face of the base (3) is attached with four supporting blocks (1), and the four supporting blocks (1) are distributed in a rectangular array relative to the base (3).
3. The inert gas sealing device for a low-temperature normal-pressure liquid storage tank for industrial gas production according to claim 1, wherein: and a second connecting pipe (6) is embedded and fixed at one end of the second tank body (12), and a first connecting pipe (2) is embedded and fixed at one end of the second tank body (12) deviating from the second connecting pipe (6).
4. The inert gas sealing device for a low-temperature normal-pressure liquid storage tank for industrial gas production according to claim 1, wherein: the top end face of the second tank body (12) is fixedly embedded with a pressure reducing pipe (13), and a pressure reducing valve (14) is installed on the pressure reducing pipe (13).
5. The inert gas sealing device for a low-temperature normal-pressure liquid storage tank for industrial gas production according to claim 1, wherein: the second shell (17) is connected with a second cover plate (16) through threads, and the first shell (7) is connected with a first cover plate (8) through threads.
6. The inert gas sealing device for a low-temperature normal-pressure liquid storage tank for industrial gas production according to claim 1, wherein: install water pump (20) in water tank (21), install inlet tube (19) on water pump (20), and inlet tube (19) and coil pipe (4) liquid intercommunication.
7. The inert gas sealing device for a low-temperature normal-pressure liquid storage tank for industrial gas production according to claim 1, wherein: an outlet pipe (22) is installed on the coil pipe (4), and the coil pipe (4) is in liquid communication with the water tank (21) through the outlet pipe (22).
CN202121977352.4U 2021-08-23 2021-08-23 Inert gas sealing device of low-temperature normal-pressure liquid storage tank for industrial gas manufacturing Active CN216280621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121977352.4U CN216280621U (en) 2021-08-23 2021-08-23 Inert gas sealing device of low-temperature normal-pressure liquid storage tank for industrial gas manufacturing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121977352.4U CN216280621U (en) 2021-08-23 2021-08-23 Inert gas sealing device of low-temperature normal-pressure liquid storage tank for industrial gas manufacturing

Publications (1)

Publication Number Publication Date
CN216280621U true CN216280621U (en) 2022-04-12

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Country Status (1)

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CN (1) CN216280621U (en)

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