CN216386137U

CN216386137U - Accurate detection device of industry high-purity nitrogen gas

Info

Publication number: CN216386137U
Application number: CN202122867256.0U
Authority: CN
Inventors: 王海波; 陈彦霖; 陈伟庆; 李伟
Original assignee: Lianyungang Eurasian Gas Co ltd
Current assignee: Lianyungang Eurasian Gas Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-26
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses an accurate detection device for industrial high-purity nitrogen, which comprises a tank body, wherein a valve is arranged at the upper end of the tank body, a sealing cover is arranged on the outer side of the tank body and is positioned on the outer side of the valve, the sealing cover and the tank body are fixed through a fixing structure, a through hole is formed in the inner top of the sealing cover, a glass plate is arranged in the through hole, and the lower end of the glass plate extends into the sealing cover and is fixedly connected with a nitrogen detector; the fixed knot constructs including setting up the second arc at the lower extreme of sealed cowling, the upper end of first arc and the lower extreme fixed connection of sealed cowling, the lower extreme of sealed cowling is equipped with perpendicular groove. The device cover is equipped with the valve department at the nitrogen cylinder, and whether the staff can judge nitrogen gas according to the registration of nitrogen gas detector and leak, utilizes the seal of annular gasbag assurance sealed cover simultaneously to nitrogen gas in time leaks also can be retrieved, and the device can dismantle the installation fast, the used repeatedly of being convenient for.

Description

Accurate detection device of industry high-purity nitrogen gas

Technical Field

The utility model relates to the technical field of nitrogen detection, in particular to an accurate detection device for industrial high-purity nitrogen.

Background

Since nitrogen is often used in production due to its inert nature, and nitrogen purity is an important technical parameter in industrial production, factories often store high-concentration nitrogen in nitrogen cylinders for easy use, however, the existing nitrogen cylinders still have the following problems in use:

the nitrogen leakage detection device is not arranged on the existing nitrogen bottle, because nitrogen in the nitrogen bottle is in a high-pressure state, when the valve of the nitrogen bottle leaks, the nitrogen inside the nitrogen bottle can leak to the outside rapidly, so that certain economic loss is caused, and meanwhile, when the nitrogen is required to be used, if the nitrogen leaks, a worker cannot find the nitrogen, if the nitrogen detects the nitrogen in the nitrogen bottle before being used at every time, the workload of the worker can be greatly increased, and therefore, how to reasonably solve the problem is needed to be considered.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an industrial high-purity nitrogen accurate detection device which is sleeved at a valve of a nitrogen bottle, a worker can judge whether nitrogen leaks according to the indication of a nitrogen detector, and meanwhile, the annular air bag is used for ensuring the tightness of a sealing cover, so that the nitrogen can be timely leaked and recovered, and the device can be quickly disassembled and assembled and is convenient to reuse.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an accurate detection device of high-purity nitrogen gas of industry, includes a jar body, the upper end of the jar body is equipped with the valve, the outside of the jar body is equipped with the sealed cowling, the sealed cowling is located the outside of valve, fix through fixed knot structure between sealed cowling and the jar body, the interior top of sealed cowling is equipped with the opening, be equipped with the glass board in the opening, the lower extreme of glass board extends to in the sealed cowling and fixedly connected with nitrogen gas detector.

Preferably, fixed knot constructs including setting up the second arc at the lower extreme of seal cover, the upper end of second arc and the lower extreme fixed connection of seal cover, the lower extreme of seal cover is equipped with perpendicular groove, the interior top in perpendicular groove is rotated and is connected with the bull stick, the lower extreme of bull stick extends to external and fixedly connected with and the first arc of second arc matched with, the right side of first arc and second arc all is equipped with the installation piece, two all be equipped with the thread groove on the installation piece, two common threaded connection has the bolt in the thread groove.

Preferably, the inner wall of the sealing cover is provided with an annular groove, annular air bags are arranged in the annular groove and communicated with the outside through a short pipe, and the short pipe is provided with a sealing valve.

Preferably, the first arc-shaped plate and the second arc-shaped plate form a circular ring after being fixed, and the diameter of the circular ring is the same as that of the tank body.

Preferably, one side of a display screen of the nitrogen detector is fixed with the lower end of the glass plate.

Preferably, the right space of the sealing cover is communicated with an exhaust pipe, and the exhaust pipe is provided with an electromagnetic valve.

Compared with the prior art, the device has the advantages that:

1. compared with the prior art, the device utilizes the sealing cover to seal the valve of the tank body, and simultaneously utilizes the nitrogen detector to detect the content of nitrogen in the sealing cover, thereby facilitating the working personnel to know whether the nitrogen in the tank body leaks;

2. compared with the prior art, the device can be quickly detached from the tank body and then installed on another tank body through the arrangement of the fixing structure, so that the device can be repeatedly used;

3. compared with the prior art, utilize the setting of annular gasbag, ensure the leakproofness between jar body and the sealed cowling, simultaneously after nitrogen gas leaks, can retrieve nitrogen gas through the blast pipe, avoid nitrogen gas to leak to cause economic loss in the air.

Drawings

FIG. 1 is a schematic structural diagram of an industrial high-purity nitrogen gas precision detection device according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a sectional view taken along line B-B in fig. 1.

In the figure: 1 jar body, 2 sealed cowlings, 3 valves, 4 first arcs, 5 installation pieces, 6 bolts, 7 short pipes, 8 openings, 9 glass boards, 10 nitrogen gas detector, 11 second arcs, 12 vertical slots, 13 bull sticks, 14 ring channels, 15 annular gasbags, 16 blast pipes.

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.

Referring to fig. 1-3, an accurate detection device of industry high-purity nitrogen gas, including a jar body 1, the upper end of jar body 1 is equipped with valve 3, the outside of jar body 1 is equipped with sealed cowling 2, sealed cowling 2 is located the outside of valve 3, fix through fixed knot structure between sealed cowling 2 and the jar body 1, the interior top of sealed cowling 2 is equipped with opening 8, be equipped with glass board 9 in the opening 8, the lower extreme of glass board 9 extends to in the sealed cowling 2 and fixedly connected with nitrogen gas detector 10, display screen one side and the lower extreme of glass board 9 of nitrogen gas detector 10 are fixed.

Wherein, fixed knot constructs including setting up the second arc 11 at the lower extreme of sealed cowling 2, the upper end of second arc 11 and the lower extreme fixed connection of sealed cowling 2, the lower extreme of sealed cowling 2 is equipped with perpendicular groove 12, the interior top of perpendicular groove 12 is rotated and is connected with bull stick 13, the lower extreme of bull stick 13 extends to external and fixedly connected with and the first arc 4 of second arc 11 matched with, the right side of first arc 4 and second arc 11 all is equipped with installation piece 5, all be equipped with the thread groove on two installation pieces 5, common threaded connection has bolt 6 in two thread grooves, can constitute a ring after first arc 4 and second arc 11 are fixed, the diameter of ring is the same with jar body 1's diameter.

Wherein, the inner wall of the sealing cover 2 is provided with an annular groove 14, the annular grooves 14 are internally provided with annular air bags 15, the annular air bags 15 are communicated with the outside through short pipes 7, the short pipes 7 are provided with sealing valves, and the sealing valves are manually controlled.

Wherein, the right side space of the sealing cover 2 is communicated with an exhaust pipe 16, and the exhaust pipe 16 is provided with an electromagnetic valve.

The utility model can be illustrated by the following operating modes: sleeving the sealing cover 2 above the valve 3, rotating the first arc-shaped plate 4 at the moment to enable the first arc-shaped plate 4 and the second arc-shaped plate 11 to tightly extrude the tank body 1, then rotating the bolt 6 to enable the bolt 6 to penetrate through the two threaded holes, and fixing the first arc-shaped plate 4 and the second arc-shaped plate 11 at the moment;

meanwhile, the sealing valve on the short pipe 7 is opened, then the air pump (the existing device) is utilized to inflate the annular air bag 15, so that the annular air bag 15 is expanded, the inner wall of the annular air bag 15 is tightly attached to the outer wall of the tank body 1, and the direct sealing performance of the sealing cover 2 and the tank body 1 is ensured;

starting nitrogen gas detector 10 this moment, whether the staff can judge nitrogen gas through the display screen registration on nitrogen gas detector 10 and take place to leak, when nitrogen gas detector 10 goes up the registration great, explains nitrogen gas leakage this moment, and the staff can be with air pump and 16 intercommunications of blast pipe, opens the solenoid valve, utilizes the air pump to retrieve the nitrogen gas that leaks, avoids nitrogen gas to leak and causes economic loss in to the air.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an accurate detection device of high-purity nitrogen gas of industry, includes jar body (1), its characterized in that: the upper end of the jar body (1) is equipped with valve (3), the outside of the jar body (1) is equipped with sealed cowling (2), sealed cowling (2) are located the outside of valve (3), fix through fixed knot structure between sealed cowling (2) and the jar body (1), the interior top of sealed cowling (2) is equipped with opening (8), be equipped with glass board (9) in opening (8), the lower extreme of glass board (9) extends to in the sealed cowling (2) and fixedly connected with nitrogen gas detector (10).

2. The accurate detection device of industrial high-purity nitrogen according to claim 1, characterized in that: fixed knot constructs including setting up second arc (11) at the lower extreme of seal cover (2), the upper end of second arc (11) and the lower extreme fixed connection of seal cover (2), the lower extreme of seal cover (2) is equipped with erects groove (12), the interior top rotation of erecting groove (12) is connected with bull stick (13), the lower extreme of bull stick (13) extends to external and fixedly connected with and second arc (11) matched with first arc (4), the right side of first arc (4) and second arc (11) all is equipped with installation piece (5), two all be equipped with thread groove on installation piece (5), two common threaded connection has bolt (6) in the thread groove.

3. The accurate detection device of industrial high-purity nitrogen according to claim 1, characterized in that: the inner wall of the sealing cover (2) is provided with an annular groove (14), annular air bags (15) are arranged in the annular groove (14), the annular air bags (15) are communicated with the outside through short pipes (7), and sealing valves are arranged on the short pipes (7).

4. The accurate detection device of industrial high-purity nitrogen according to claim 2, characterized in that: the first arc-shaped plate (4) and the second arc-shaped plate (11) can form a circular ring after being fixed, and the diameter of the circular ring is the same as that of the tank body (1).

5. The accurate detection device of industrial high-purity nitrogen according to claim 1, characterized in that: one side of a display screen of the nitrogen detector (10) is fixed with the lower end of the glass plate (9).

6. The accurate detection device of industrial high-purity nitrogen according to claim 1, characterized in that: the right side space of the sealing cover (2) is communicated with an exhaust pipe (16), and an electromagnetic valve is arranged on the exhaust pipe (16).