CN218178199U

CN218178199U - Explosion-proof sealing joint for hydrogen gas transportation

Info

Publication number: CN218178199U
Application number: CN202221832892.8U
Authority: CN
Inventors: 连建齐; 乔志刚
Original assignee: Henan Jinjiang Refining And Chemical Co ltd
Current assignee: Henan Jinjiang Refining And Chemical Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-30
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a hydrogen is carried and is used explosion-proof sealing joint, which comprises a main pipe, be responsible for two auxiliary pipes of fixedly connected with, every equal fixedly connected with seal ring on the auxiliary pipe, be provided with extrusion mechanism on being responsible for, extrusion mechanism rotates the first ring block that sets up including being responsible for, first ring block is connected, every through two sliders and being responsible for, first fixture block of equal fixedly connected with on the slider, it is provided with two second fixture blocks, every to slide on being responsible for first fixture block all through the spring and be responsible for the connection, first fixture block and second fixture block sliding connection. The utility model discloses a mutually supporting of first fixture block and second fixture block, can be further seal fixedly to hydrogen pipeline, the effectual hydrogen that prevents leaks, reduces because of the probability that hydrogen leaked and produced the explosion to be favorable to the normal operating of pipeline for the hydrogen transportation.

Description

Explosion-proof sealing joint for hydrogen gas transportation

Technical Field

The utility model relates to a safety field especially relates to an explosion-proof sealing joint is used in hydrogen transport.

Background

The hydrogen is generally produced from natural gas or water gas in industry, and a method of electrolyzing water with high energy consumption is not adopted, the produced hydrogen is largely used for cracking reaction and ammonia production in petrochemical industry, hydrogen molecules can enter crystal lattices of a plurality of metals to cause hydrogen embrittlement, so that storage tanks and conveying pipelines of the hydrogen need to use special materials, and the design is more complicated.

The document of patent number "CN215263375U" discloses a hydrogen leakage detection device, installs the pipe joint department of two hydrogen pipelines, surveys the module including hydrogen, and the cover is established the outside of pipe joint, the module is surveyed to hydrogen includes casing and lower casing, go up the casing with one side of casing is rotated and is installed hinge structure etc. down.

However, most of the existing pipelines for hydrogen transportation are simple in connection mode, generally, the pipelines are connected through threads on two pipelines and then are simply fixed by using bolts, and once hydrogen leaks, the hydrogen is easy to explode, so that the normal operation of the pipelines for hydrogen transportation is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, its connected mode is all fairly simple, generally connects through the screw thread on two pipelines, and simple use bolt is fixed again, because hydrogen has inflammability, in case hydrogen takes place to leak, very easily causes the explosion to be unfavorable for the normal operating of hydrogen pipeline for the transport, and the hydrogen that proposes carries uses explosion-proof sealing joint.

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

an explosion-proof sealing joint for hydrogen delivery comprises a main pipe, wherein two auxiliary pipes are fixedly connected to the main pipe, and each auxiliary pipe is fixedly connected with a sealing gasket;

be provided with extrusion mechanism on being responsible for, extrusion mechanism rotates the first annular piece that sets up including being responsible for, first annular piece is connected, every through two sliders and being responsible for, equal fixedly connected with first fixture block on the slider, it is provided with two second fixture blocks to slide on being responsible for, every first fixture block all is connected through spring and being responsible for, first fixture block and second fixture block sliding connection, every equal fixedly connected with horizontal pole, two on the second fixture block fixedly connected with second annular piece between the horizontal pole.

Preferably, fixedly connected with installation piece on the first ring piece, sliding connection has the gag lever post on the installation piece, gag lever post and the joint of being responsible for.

Preferably, the limiting rod is fixedly connected with a handle, and anti-skid lines are arranged on the handle.

Preferably, two sliding grooves are formed in the main pipe, and each sliding groove is connected with the corresponding second clamping block in a sliding mode.

Preferably, each auxiliary pipe is fixedly connected with a barometer, and the barometers are symmetrically arranged.

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

when the device is needed to be used, firstly, two hydrogen conveying pipelines needing to be connected are respectively in flange connection with a main pipe from the left end and the right end, acting force is exerted on the first annular block, two first clamping blocks move synchronously, the first clamping blocks contact and extrude the inclined planes of the two second clamping blocks, the two second clamping blocks slide relative to the main pipe at the same time, the two second clamping blocks are far away from each other, the two second annular blocks contact and extrude the corresponding sealing gaskets, the sealing gaskets deform elastically until the sealing gaskets completely block the gap between the auxiliary pipe and the hydrogen conveying pipelines, the hydrogen conveying pipelines can be further sealed and fixed through the mutual matching of the first clamping blocks and the second clamping blocks, hydrogen leakage is effectively prevented, the explosion probability caused by hydrogen leakage is reduced, and the normal operation of the hydrogen conveying pipelines is facilitated.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an explosion-proof sealing joint for hydrogen transportation according to the present invention;

fig. 2 is a schematic front sectional structural view of an explosion-proof sealing joint for hydrogen transportation according to the present invention;

fig. 3 is a schematic top sectional view of the main tube and the spring.

In the figure: the device comprises a main pipe 1, a first annular block 2, a limiting rod 3, a handle 4, an installation block 5, a spring 6, an auxiliary pipe 7, a second annular block 8, a sealing washer 9, a barometer 10, a cross rod 11, a second clamping block 12, a sliding block 13, a first clamping block 14 and a flange 15.

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.

In the present invention, the terms such as "upper", "lower", "left", "right", "middle" and "one" are also used only for the sake of clarity, but not for limiting the range of the present invention, and the changes or adjustments of the relative relationships thereof are not essential to change the technical content, and thus the present invention is also regarded as the practicable scope.

Referring to fig. 1-3, an explosion-proof sealing joint for hydrogen transportation, including being responsible for 1, be provided with the screw thread that is used for hydrogen transportation to connect with the pipeline on being responsible for 1 inner wall, be responsible for 1 and go up two auxiliary pipes 7 of fixedly connected with, equal fixedly connected with seal ring 9 on every auxiliary pipe 7, be responsible for 1 and be provided with the extrusion mechanism, the extrusion mechanism rotates the first ring block 2 that sets up including being responsible for 1, first ring block 2 is connected with being responsible for 1 through two sliders 13, equal fixedly connected with first fixture block 14 on every slider 13, it is provided with two second fixture blocks 12 to slide on being responsible for 1, every first fixture block 14 all is connected with being responsible for 1 through spring 6, first fixture block 14 and second fixture block 12 sliding connection, equal fixedly connected with horizontal pole 11 on every second fixture block 12, fixedly connected with second ring block 8 between two horizontal poles 11, fixedly connected with installation block 5 on the first ring block 2, sliding connection has gag lever 3 on installation block 5, gag lever 3 and being responsible for 1 joint, exert the effort on gag lever 3, make relative slip takes place, 3 and the relative slip of the person who is more easily to set up 4 lines of the gag lever 3, the staff's that the hand moves, make the gag lever 3, the working force of the gag lever 3 and the anti-slip portion that the person of the person that sets up can more be provided with the hand is more.

Be responsible for 1 and seted up two spouts, every spout is equal and the second fixture block 12 sliding connection who corresponds, the setting of spout, the removal orbit of second fixture block 12 has been restricted, make second fixture block 12 be the ascending steady motion of horizontal direction, equal fixedly connected with barometer 10 on every looped pipeline 7, two barometers 10 are the symmetry and set up, the setting of barometer 10, when hydrogen is leaked from being responsible for 1 junction, the pointer position of barometer 10 will change, the staff just can judge through the change of observing the 10 pointers of barometer whether there is hydrogen leakage, two looped pipelines 7 and hydrogen for the transport pipeline pass through flange 15 and carry out sealing connection fixed, thereby improve the stability of both connections.

The utility model discloses in, when needs use this device, will need two hydrogen for transport pipelines that connect to carry out flange joint with being responsible for 1 respectively from controlling both ends earlier, play first heavy sealing effect, exert the effort again on first annular piece 2, make first annular piece 2 and being responsible for 1 relative rotation, first annular piece 2 moves, under the cooperation of two sliders 13, first annular piece 2 moves and drives two first fixture block 14 synchronous motion, make first fixture block 14 contact and extrude the inclined plane of two second fixture blocks 12, because first fixture block 14 has the component force on the horizontal direction to the effort of second fixture block 12, make two second fixture blocks 12 take place the relative slip with being responsible for 1 simultaneously, two second fixture blocks 12 keep away from each other, under the cooperation of horizontal pole 11, make two second annular pieces 8 keep away from each other, two second annular pieces 8 contact and extrude the seal ring 9 that corresponds, make seal ring 9 take place elastic deformation, up the clearance between vice pipe 7 and the hydrogen for transport pipeline completely to seal ring 9, play second heavy sealing effect, when hydrogen is followed the person in charge 1 junction, the pointer will be extruded and the pointer 10 that the work position of hydrogen pressure meter change and judge that the pointer will be leaked through the atmospheric pressure meter 10 change and have the leakage.

And then, acting force is applied to the limiting rod 3, so that the limiting rod 3 and the mounting block 5 slide relatively until the limiting rod 3 is connected with the main pipe 1 in a clamping manner, the first annular block 2 is fixed, and finally, acting force is applied to the flange 15, so that the plurality of auxiliary pipes 7 and the hydrogen conveying pipeline are connected and fixed, a third sealing effect is achieved, the hydrogen conveying pipeline can be further sealed and fixed through the mutual matching of the first clamping block 14 and the second clamping block 12, the hydrogen leakage is effectively prevented, the explosion probability caused by the hydrogen leakage is reduced, and the normal operation of the hydrogen conveying pipeline is facilitated.

In the present application, the terms "mounted," "connected," and "secured" are to be construed broadly unless otherwise specifically indicated and limited.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An explosion-proof sealing joint for hydrogen conveying comprises a main pipe (1), and is characterized in that two auxiliary pipes (7) are fixedly connected to the main pipe (1), and a sealing gasket (9) is fixedly connected to each auxiliary pipe (7);

be provided with the extrusion mechanism on being responsible for (1), the extrusion mechanism rotates first annular piece (2) that set up including being responsible for (1), first annular piece (2) are connected through two slider (13) and being responsible for (1), every equal fixedly connected with first fixture block (14) on slider (13), it is provided with two second fixture blocks (12), every to slide on being responsible for (1) first fixture block (14) all connect through spring (6) and being responsible for (1), first fixture block (14) and second fixture block (12) sliding connection, every equal fixedly connected with horizontal pole (11), two on second fixture block (12) fixedly connected with second annular piece (8) between horizontal pole (11).

2. The explosion-proof sealing joint for hydrogen transportation according to claim 1, wherein the first annular block (2) is fixedly connected with a mounting block (5), the mounting block (5) is slidably connected with a limiting rod (3), and the limiting rod (3) is clamped with the main pipe (1).

3. The explosion-proof sealing joint for hydrogen transportation of claim 2, characterized in that a handle (4) is fixedly connected to the limiting rod (3), and the handle (4) is provided with anti-skid threads.

4. The explosion-proof sealing joint for hydrogen transportation according to claim 3, wherein the main pipe (1) is provided with two sliding grooves, and each sliding groove is slidably connected with the corresponding second clamping block (12).

5. The explosion-proof sealing joint for hydrogen transmission of claim 1 is characterized in that each secondary pipe (7) is fixedly connected with a barometer (10), and the two barometers (10) are symmetrically arranged.