CN212840697U

CN212840697U - Nitrogen sealing device

Info

Publication number: CN212840697U
Application number: CN202021674129.8U
Authority: CN
Inventors: 曹新林
Original assignee: Heyuan Huilian Gas Co ltd
Current assignee: Heyuan Huilian Gas Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-30
Anticipated expiration: 2030-08-12

Abstract

The utility model provides a nitrogen gas sealing device, including the charging connector, one side fixed mounting of charging connector has first airtight pipe, and the refrigerator has been installed in the outside of first airtight pipe, and the bottom of first airtight pipe is passed through the signal valve and is managed with the one end threaded connection of second airtight, and one side fixed mounting of first airtight pipe has the anticollision piece, and the outside cover of second airtight pipe is equipped with the protection casing, and the bottom fixed mounting of second airtight pipe has first restriction valve, the beneficial effects of the utility model: through the signal valve that sets up and the cooperateing of refrigerator for nitrogen seals down the inside nitrogen gas of membrane chamber and carries out atmospheric pressure and regulate and control, observe tank internal pressure through setting up of nitrogen seal valve and barometer simultaneously, prevent nitrogen gas sealing device gas leakage, stretch to first airtight chamber and second airtight chamber through the flexible cover of pressing of electronic hydraulic stem and establish, strengthen the gas tightness that nitrogen gas is sealed, and rubber seal's setting prevents the delivery valve gas leakage, guarantee the gas tightness of gas transmission mouth department.

Description

Nitrogen sealing device

Technical Field

The utility model belongs to the technical field of the chemistry is stored, concretely relates to nitrogen gas sealing device.

Background

Nitrogen, of the formula N2, is generally a colorless, odorless gas and is generally less dense than air. Nitrogen is the main component of air, and accounts for 78.08% (volume fraction) of the total amount of the atmosphere. When cooled to-195.8 deg.C under normal atmospheric pressure, the liquid becomes colorless liquid, and when cooled to-209.8 deg.C, the liquid nitrogen becomes snow-like solid. Nitrogen is chemically inert and hardly reacts with other substances at normal temperature, and is therefore often used for the production of preservatives. However, the nitrogen can be chemically changed with certain substances under the conditions of high temperature and high energy to prepare new substances useful for human beings, in the production, a storage tank with high air tightness is usually adopted to store nitrogen, the air tightness of the stored air storage tank cannot be ensured because the existing nitrogen is gas, and the air tightness of an air delivery port is usually difficult to ensure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nitrogen gas sealing device aims at solving the unable problem that obtains guaranteeing of traditional gas holder gas tightness among the prior art, and the gas tightness of gas transmission port department is difficult to guarantee usually.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nitrogen gas sealing device, includes the charging connector, one side fixed mounting of charging connector has first airtight pipe, the refrigerator has been installed in the outside of first airtight pipe, the bottom of first airtight pipe passes through the signal valve and the one end threaded connection of the airtight pipe of second, one side fixed mounting of first airtight pipe has the anticollision piece, the outside cover of the airtight pipe of second is equipped with the protection casing, the bottom fixed mounting of the airtight pipe of second has first restriction valve, the bottom fixed mounting of first restriction valve has the closed tube, the bottom fixed mounting of closed tube has the second restriction valve, and one side fixed mounting of first restriction valve and second restriction valve has the handle, the bottom fixed connection of second restriction valve has nitrogen seal valve, the outside fixed mounting of closed tube has the gas transmission port, one side fixed mounting of gas transmission port has the holding vessel.

As an optimization, the inside of holding vessel is provided with first airtight room and the airtight room of second, the membrane room under the nitrogen seal is installed at the top of first airtight room, the inside of the airtight room of second is located to the outside cover of first airtight room, the electronic hydraulic stem of a plurality of is installed in the outside of holding vessel, the barometer is installed to one side of holding vessel.

As an optimization of the utility model, the rubber seal is installed along the department at the mouth of nitrogen sealing valve, first restriction valve and second restriction valve.

As an optimization of the present invention, the outside of the storage tank is coated with a sealing layer.

As an optimization, one side fixed mounting of holding vessel has flush mounting plate of switch, flush mounting plate of switch's fixed surface installs refrigerator switch, signal valve switch and electronic hydraulic stem switch, refrigerator, signal valve and electronic hydraulic stem pass through refrigerator switch, signal valve switch and electronic hydraulic stem switch and external power supply electric connection respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

through the signal valve that sets up and the cooperateing of refrigerator for nitrogen seals down the inside nitrogen gas of membrane chamber and carries out atmospheric pressure and regulate and control, observe tank internal pressure through setting up of nitrogen seal valve and barometer simultaneously, prevent nitrogen gas sealing device gas leakage, stretch to first airtight chamber and second airtight chamber through the flexible cover of pressing of electronic hydraulic stem and establish, strengthen the gas tightness that nitrogen gas is sealed, and rubber seal's setting prevents the delivery valve gas leakage, guarantee the gas tightness of gas transmission mouth department.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the internal structure of the storage tank of the present invention.

In the figure: 1. an air charging nozzle; 11. a first airtight tube; 112. a signal valve; 111. a refrigerator; 12. a second airtight tube; 121. an anti-collision block; 122. a protective cover; 13. a first flow limiting valve; 14. a communicating pipe; 15. a second flow limiting valve; 16. a nitrogen seal valve; 17. a gas transmission port; 2. a storage tank; 21. a first airtight chamber; 22. a second airtight chamber; 23. sealing the lower membrane chamber with nitrogen; 24. a barometer; 25. an electro-hydraulic lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a nitrogen sealing device comprises an inflating nozzle 1, wherein a first airtight pipe 11 is fixedly installed on one side of the inflating nozzle 1, a refrigerator 111 is installed on the outer side of the first airtight pipe 11, the bottom end of the first airtight pipe 11 is in threaded connection with one end of a second airtight pipe 12 through a signal valve 112, an anti-collision block 121 is fixedly installed on one side of the first airtight pipe 11, a protective cover 122 is sleeved on the outer side of the second airtight pipe 12, a first flow limiting valve 13 is fixedly installed at the bottom end of the second airtight pipe 12, a communicating pipe 14 is fixedly installed at the bottom end of the first flow limiting valve 13, a second flow limiting valve 15 is fixedly installed at the bottom end of the communicating pipe 14, and one side of the first flow limiting valve 13 and one side of the second flow limiting valve 15 are fixedly provided with handles, the bottom end of the second flow limiting valve 15 is fixedly connected with a nitrogen sealing valve 16, the outer side of the communicating pipe 14 is fixedly provided with an air transmission port 17, and one side of the air transmission port 17 is fixedly provided with the storage tank 2.

In specific use, firstly, in the daily use process, when the signal valve 112 is opened, the pressure of the lower membrane chamber 23 of the nitrogen seal is reduced, the first air-tight chamber 21 is moved downwards by the reaction force of the electric hydraulic rod 25, when the signal valve 112 is closed to be small or completely closed, the pressure of the lower membrane chamber of the nitrogen seal valve 16 is increased, the first air-tight chamber 21 and the second air-tight chamber 22 are mutually matched and pressed, the first flow limiting valve 13 and the second flow limiting valve 15 are closed to be gradually closed to be small or completely closed by manually rotating the handle, when the pressure in the storage tank 2 is lower than a set value, the signal valve 112 is opened, the pressure measured by the lower membrane chamber 23 of the nitrogen seal is reduced, the nitrogen seal valve 16 is correspondingly opened, nitrogen is input into the tank, the pressure in the storage tank 2 is gradually increased to the set value, when the set value is reached, the signal valve 112 is closed, the pressure at the lower side of the membrane of the nitrogen seal valve 16 is increased, the nitrogen seal valve 16, the signal valve 112 is opened again to discharge the gas in the storage tank 2, the pressure in the tank is reduced to a set value, and the nitrogen is cooled by the refrigerator 111 to be sealed.

In this embodiment: the storage tank 2 is internally provided with a first airtight chamber 21 and a second airtight chamber 22, a nitrogen-sealed lower membrane chamber 23 is installed at the top of the first airtight chamber 21, the outside of the first airtight chamber 21 is sleeved in the second airtight chamber 22, a plurality of electric hydraulic rods 25 are installed on the outside of the storage tank 2, and an air pressure gauge 24 is installed on one side of the storage tank 2.

During the specific use, be convenient for install the equipment each other through the setting of first airtight chamber 21 and second airtight chamber 22, store the encapsulation to nitrogen gas, the storage of nitrogen gas is convenient for through the nitrogen seal lower membrane chamber 23 that sets up, and the flexible of electronic hydraulic stem 25 can be closed first airtight chamber 21 and second airtight chamber 22, through barometer 24 in the holding vessel 2 outside, detects the inside atmospheric pressure of holding vessel 2, improves the gas tightness of nitrogen gas.

In this embodiment: rubber sealing rings are arranged at the opening edges of the nitrogen sealing valve 16, the first flow limiting valve 13 and the second flow limiting valve 15.

During specific use, the nitrogen sealing device is convenient to encapsulate through the rubber seal who sets up, improves the gas tightness that nitrogen gas stored.

In this embodiment: the outside of the reservoir 2 is coated with a sealing layer.

When the storage tank is used in a specific mode, the air tightness of the storage tank 2 is enhanced through the arranged sealing layer.

In this embodiment: one side fixed mounting of holding vessel 2 has flush mounting plate of switch, flush mounting plate of switch has refrigerator switch, signal valve switch and electronic hydraulic stem switch, and refrigerator 111, signal valve 112 and electronic hydraulic stem 25 are respectively through refrigerator switch, signal valve switch and electronic hydraulic stem switch and external power supply electric connection.

When the nitrogen sealing device is used specifically, the electric equipment on the nitrogen sealing device is convenient to control through the arranged switch panel.

The working principle is as follows: in the daily working process, nitrogen is infused into the storage tank 2 through the charging nozzle 1, the signal valve 112 is opened, gas is conveyed, the first airtight chamber 21 is moved downwards by the reaction force of the electric hydraulic rod 25, when the signal valve 112 is closed or completely closed, the pressure of the lower diaphragm chamber of the nitrogen sealing valve 16 is increased, the first airtight chamber 21 and the second airtight chamber 22 are matched and pressed with each other, the conveying and air tightness of the nitrogen are regulated and controlled through the first flow limiting valve 13 and the second flow limiting valve 15, the pressure in the storage tank 2 is measured through the arrangement of the air pressure gauge 24, when the air pressure of the nitrogen rises, the nitrogen sealing valve 16 is correspondingly closed, if the pressure in the tank is higher than a set value, the signal valve 112 is opened again, the gas in the storage tank 2 is discharged, the pressure in the tank is reduced to the set value, and the temperature of the nitrogen is reduced through the refrigerator 111 so as to be convenient for sealing and storage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a nitrogen gas sealing device, includes charging connector (1), its characterized in that, one side fixed mounting of charging connector (1) has first airtight pipe (11), refrigerator (111) are installed in the outside of first airtight pipe (11), the bottom of first airtight pipe (11) is through the one end threaded connection of signal valve (112) with second airtight pipe (12), one side fixed mounting of first airtight pipe (11) has crashproof piece (121), the outside cover of second airtight pipe (12) is equipped with protection casing (122), the bottom fixed mounting of second airtight pipe (12) has first restriction valve (13), the bottom fixed mounting of first restriction valve (13) has communicating pipe (14), the bottom fixed mounting of communicating pipe (14) has second restriction valve (15), and one side fixed mounting of first restriction valve (13) and second restriction valve (15) has the handle, the bottom end of the second flow limiting valve (15) is fixedly connected with a nitrogen sealing valve (16), the outer side of the communicating pipe (14) is fixedly provided with a gas transmission port (17), and one side of the gas transmission port (17) is fixedly provided with a storage tank (2).

2. A nitrogen seal according to claim 1, wherein: the utility model discloses a storage tank, including holding vessel (2), the inside of holding vessel (2) is provided with first airtight room (21) and second airtight room (22), membrane chamber (23) under the nitrogen seal is installed at the top of first airtight room (21), the inside of second airtight room (22) is located to the outside cover of first airtight room (21), a plurality of electronic hydraulic stem (25) are installed in the outside of holding vessel (2), barometer (24) are installed to one side of holding vessel (2).

3. A nitrogen seal according to claim 1, wherein: and rubber sealing rings are arranged at the opening edges of the nitrogen sealing valve (16), the first flow limiting valve (13) and the second flow limiting valve (15).

4. A nitrogen seal according to claim 1, wherein: the outer side of the storage tank (2) is coated with a sealing layer.

5. A nitrogen seal according to claim 1, wherein: describe one side fixed mounting of holding vessel (2) has flush mounting plate of switch, flush mounting plate of switch has refrigerator switch, signal valve switch and electronic hydraulic stem switch, refrigerator (111), signal valve (112) and electronic hydraulic stem (25) are respectively through refrigerator switch, signal valve switch and electronic hydraulic stem switch and external power supply electric connection.