CN216715486U

CN216715486U - Reduce device that risk was revealed to pipeline flange mouth triethyl aluminium

Info

Publication number: CN216715486U
Application number: CN202220117981.8U
Authority: CN
Inventors: 李维亚; 唐伟杰; 屈景嘉
Original assignee: Norion Chemicals Jiaxing Co ltd
Current assignee: Norion Chemicals Jiaxing Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-10
Anticipated expiration: 2032-01-17

Abstract

The utility model provides a device for reducing leakage risk of triethyl aluminum at a flange opening of a pipeline, belonging to connection protection accessories. It has solved the big problem of risk of revealing of current triethyl aluminium pipeline flange mouth. This reduce device of pipeline flange mouth triethyl aluminum leakage risk, including two installation pieces, the installation cavity has been seted up on the internal surface of every installation piece, the both sides of installation piece are provided with half perforation, be provided with the flange groove that the ring flange that supplies the pipeline penetrated in the installation cavity, two installation pieces have a side end face of installation cavity and set up in opposite directions, and the rotatable setting of articulated elements is passed through to the one end of two installation pieces, be provided with two installation pieces on the tip that deviates from articulated elements one side and cover each other and close fixed knot structure after the fixing. The method has the advantage of reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline.

Description

Reduce device that risk was revealed to pipeline flange mouth triethyl aluminium

Technical Field

The utility model belongs to the technical field of connection protection accessories, and relates to a device for reducing leakage risk of triethyl aluminum at a flange opening of a pipeline.

Background

Triethylaluminum is a colorless, transparent liquid that is used in polyolefin synthesis as a co-catalyst component in Ziegler-Natta catalyst systems. The chemical property of the packaging material is extremely active, and accidents are caused by spontaneous combustion of water or oxygen, so that oxygen and moisture are strictly isolated in the production and packaging processes.

In the specific production process, a pipeline is adopted to transmit crude or refined triethyl aluminum products, and the joints are connected by flanges, so that the tightness and safety of transmission are ensured to the maximum extent, but in the application process, the flange ports are affected by external environmental factors and are likely to become loose or corrode, so that the risk of leakage, severe combustion and explosion of triethyl aluminum exists, and production accidents are further caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a device for reducing the leakage risk of triethyl aluminum at a flange opening of a pipeline.

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

the utility model provides a reduce device that risk was revealed to pipeline flange mouth triethyl aluminum, includes two installation pieces, its characterized in that, every the installation cavity has been seted up on the internal surface of installation piece, the both sides of installation piece are provided with half perforation, the installation cavity in be provided with the flange groove that the ring flange that supplies the pipeline penetrated, a side end face that two installation pieces have the installation cavity sets up in opposite directions, and the rotatable setting of articulated elements is passed through to the one end of two installation pieces, is provided with two installation pieces on the tip that two installation pieces deviate from articulated elements one side and covers the fixed knot structure that closes the after-fixing each other.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, the two sides of the flange groove are provided with the guide ring edges protruding in the radial direction, and the inner sides of the guide ring edges are flush with the side wall of the flange groove.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, the end part of one side, away from the flange groove, of each guide ring edge is provided with the abutting part for fixing the pipeline.

In the device for reducing the leakage risk of the triethyl aluminum of the pipe flange port, the abutting part is provided with an abutting surface with the same radian as the semi-through hole, and an inner sealing element is arranged on the abutting surface.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, the abutting surface is provided with an inwards-concave caulking groove for embedding the inner sealing element.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, a side groove is formed in each half-through hole, and an outer sealing element is arranged in each side groove.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, the outer sealing element and the inner sealing element are both made of ethylene propylene diene monomer.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, the mounting block is made of brass.

In the device for reducing the leakage risk of the triethyl aluminum at the flange opening of the pipeline, a heat-resistant layer is arranged on the inner surface of each mounting block and is made of expanded graphite.

In the device for reducing the leakage risk of the triethyl aluminum of the flange opening of the pipeline, the fixing structure comprises two connecting lugs and a fixing bolt, the two connecting lugs are respectively arranged on the side parts of the corresponding mounting blocks, and each connecting lug is provided with a screw hole for the fixing bolt to pass through.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the flange groove for the flange plate of the pipeline to penetrate is arranged in the mounting cavity, when the two mounting blocks are covered, the flange plate of the pipeline is completely accommodated in the flange groove, the flange groove and the mounting blocks play a role in double protection to form a relatively sealed protection space, and based on the design, even when the triethyl aluminum leaks, the risk of burning in a larger area caused by liquid sputtering can be prevented, meanwhile, the burning is carried out in the sealed space in unit time, the amount of water and oxygen which can participate in the reaction is gradually reduced, so that the reaction speed and the strength are further reduced, the time is won for field treatment, and the accident risk is reduced.

2. The mounting block is made of brass and has the advantages of high temperature resistance and corrosion resistance.

3. The inner surface of the mounting block is provided with the heat-resistant layer, and the heat-resistant layer is made of expanded graphite, so that the fireproof performance is improved, and the risk of further combustion is reduced.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an internal structural view of the present invention.

Fig. 3 is a schematic view of the structure of the mounting block of the present invention.

In the figure, 1, a mounting block; 2. a mounting cavity; 3. semi-perforating; 4. a flange groove; 5. an articulation member; 6. a fixed structure; 7. a guide ring edge; 8. an abutting portion; 9. an inner seal; 10. caulking grooves; 11. a side groove; 12. an outer seal; 13. a heat-resistant layer; 14. connecting lugs; 15. fixing the bolt; 16. a screw hole; 17. a contact surface.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 3, a reduce device that risk was revealed to pipeline flange mouth triethyl aluminum, including two installation piece 1, installation cavity 2 has been seted up on the internal surface of every installation piece 1, the both sides of installation piece 1 are provided with half perforation 3, be provided with the flange groove 4 that the ring flange that supplies the pipeline penetrated in the installation cavity 2, two installation pieces 1 have a side end face of installation cavity 2 and set up in opposite directions, and the rotatable setting of articulated elements 5 is passed through to the one end of two installation pieces 1, be provided with two installation pieces 1 on the tip that deviates from articulated elements 5 one side and cover fixed structure 6 after each other on two installation pieces 1.

In this embodiment, the two mounting blocks 1 are hinged together by a hinge 5, and can rotate, and the hinge 5 is an existing component. When the two installation blocks 1 are turned over and closed, the two installation cavities 2 form a protection space, and when the two installation blocks 1 are covered, a sealing gasket can be arranged on the contact surface of the two installation cavities to enhance the sealing property. Half perforation 3 on two installation pieces 1 forms a round hole, and two flange grooves 4 form a circular shape groove, and after the pipeline is connected through the ring flange, when utilizing installation piece 1 to protect, the ring flange can be gone into to flange groove 4, the both ends of pipeline and the internal surface sealing contact of round hole, flange groove 4 and installation piece 1 play duplicate protection's effect, form the protection space of relative seal for the difficult not hard up or the corruption of flange mouth, life cycle is more permanent. Based on this kind of design, even when triethyl aluminium takes place to leak, still can play and reduce the liquid sputtering and cause the risk of burning of bigger area. Meanwhile, in unit time, the combustion is carried out in the sealed space, the amount of water and oxygen which can participate in the reaction is gradually reduced, so that the reaction speed and the reaction intensity are further reduced, the time is won for field treatment, and the accident risk is reduced.

In this embodiment, two sides of the flange groove 4 are provided with guide ring edges 7 protruding in the radial direction, and for facilitating the positioning and clamping of the flange plate, the inner sides of the guide ring edges 7 are flush with the side wall of the flange groove 4.

In the embodiment, an abutting part 8 for fixing the pipeline is arranged on one side end part of each guide ring edge 7 far away from the flange groove 4, an abutting surface 17 with the same radian as the semi-through hole 3 is arranged on the abutting part 8, and an inner sealing element 9 is arranged on the abutting surface 17. When the flange is mounted in the flange groove 4, a sealing function is achieved by means of the inner sealing element 9.

When the guide ring edge 7 is abutted against the pipe by the inner seal 9, the flange is in a sealed state in the flange groove 4. When triethyl aluminum leaks, combustion is first performed within the range of the flange groove 4, preventing extensive diffusion. If the leaked triethyl aluminum leaks and explodes, a protection space formed by the mounting cavities 2 in the two mounting blocks 1 plays a role in buffering air flow, and the safety performance of the device is further improved.

In the present embodiment, in order to facilitate the installation of the inner seal 9, the abutting surface 17 is provided with an inward recessed caulking groove 10 for the inner seal 9 to be inserted.

Specifically, in order to further improve the sealing performance between the mounting block 1 and the pipeline, a side groove 11 is formed in each half-through hole 3, and an outer sealing element 12 is arranged in each side groove 11.

Preferably, the side groove 11 may be a semi-open type or a full-wrap type mounting groove, and the outer sealing member 12 and the inner sealing member 9 are made of ethylene propylene diene monomer. The ethylene propylene diene monomer rubber has excellent oxidation resistance, ozone resistance and erosion resistance.

In the present embodiment, the mounting block 1 is made of brass. Brass has the advantages of high temperature resistance and corrosion resistance.

In the present embodiment, a heat-resistant layer 13 is provided on the inner surface of each mounting block 1, and the heat-resistant layer 13 is made of expanded graphite.

Unlike conventional expansion agents, expandable graphite is stable at normal temperatures, and compounds occluded in the interlaminar lattice rapidly decompose when heated and cause the graphite to begin to expand. The expanded graphite expands completely at 1000 deg.c, changes its structure from original scale shape to worm shape with very low density, and has expanded volume over 200 times the initial volume, so that it may be used in heat insulation. Meanwhile, the loose insulating layer formed can prevent liquid from splashing when triethyl aluminum leaks, and the risk of large-area combustion is reduced.

In the present embodiment, the mounting block 1 is made of brass, which has the advantages of high temperature resistance and corrosion resistance. The outer sealing member 12 and the inner sealing member 9 are made of ethylene propylene diene monomer rubber which has excellent oxidation resistance, ozone resistance and erosion resistance, a heat-resistant layer 13 made of expanded graphite is arranged on the inner surface of each mounting block 1, the expanded graphite has good heat resistance, and by using the materials in the triethyl aluminum conveying pipeline flange port protection device, even if leakage of triethyl aluminum occurs, risks can be further reduced.

In this embodiment, the fixing structure 6 includes two engaging lugs 14 and a fixing bolt 15, the two engaging lugs 14 are respectively disposed on the side portions of the corresponding mounting block 1, and each engaging lug 14 is provided with a screw hole 16 for the fixing bolt 15 to pass through. After the two mounting blocks 1 are closed, the screw holes 16 on the connecting lugs 14 of the two mounting blocks 1 are coaxially arranged and then fixed through the fixing bolts 15, so that the inner sealing element 9 on the abutting part 8 and the outer sealing element 12 on the mounting block 1 are tightly attached to the outer wall of the pipeline, and a closed space is formed.

The working principle of the utility model is as follows: the two mounting blocks 1 are hinged together by a hinge 5, which is an existing part, when the two mounting blocks 1 are turned over and closed, the two mounting cavities 2 form a protective space which plays a role of buffering air flow, the semi-through holes 3 on the two mounting blocks 1 form a round hole which is used for the penetrating connection of a pipeline, the two flange grooves 4 form a round groove which is used for the embedding of a flange plate, when the pipeline is protected by the mounting blocks 1, the flange plate can be clamped into the flange grooves 4, the two ends of the pipeline are in sealing contact with the inner surface of the round hole, screw holes 16 on the connecting lugs 14 of the two mounting blocks 1 are coaxially arranged, and then the inner seal 9 on the abutting part 8 and the outer seal 12 on the mounting block 1 are tightly attached to the outer wall of the pipeline by fixing bolts 15, so that a closed space is formed.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms mounting block 1, mounting cavity 2, semi-through hole 3, flange groove 4, hinge 5, fixing structure 6, guide ring 7, abutment 8, inner seal 9, caulking groove 10, side groove 11, outer seal 12, heat-resistant layer 13, attachment lug 14, fixing bolt 15, screw hole 16, abutment face 17, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a reduce device that risk was revealed to pipeline flange mouth triethyl aluminum, includes two installation piece (1), its characterized in that, every installation cavity (2) have been seted up on the internal surface of installation piece (1), the both sides of installation piece (1) are provided with half perforation (3), installation cavity (2) in be provided with flange groove (4) that the ring flange that supplies the pipeline penetrated, a side end face that two installation piece (1) have installation cavity (2) sets up in opposite directions, and the one end of two installation pieces (1) passes through articulated elements (5) rotatable setting, two installation pieces (1) are provided with two installation pieces (1) on deviating from the tip of articulated elements (5) one side and cover each other and close after-fixing fixed structure (6).

2. Device for reducing the risk of triethyl aluminium leakage at the flange mouth of a pipeline according to claim 1, characterized in that the two sides of the flange groove (4) are provided with radially raised guide ring edges (7), and the inner sides of the guide ring edges (7) are flush with the side wall of the flange groove (4).

3. Device for reducing the risk of triethylaluminium leakage from a pipe flange according to claim 2, characterized in that the end of each guide ring (7) remote from the flange groove (4) is provided with an abutment (8) for fixing a pipe.

4. Device for reducing the risk of triethylaluminum leakage from a pipe flange according to claim 3, characterized in that the abutment portion (8) has an abutment surface (17) with the same curvature as that of the semi-through hole (3), and the abutment surface (17) is provided with an inner seal (9).

5. Device for reducing the risk of triethylaluminum leakage from a pipe flange according to claim 4, characterized in that the abutment surface (17) is provided with an inwardly recessed caulking groove (10) for the inner sealing element (9) to be inserted.

6. Device for reducing the risk of triethylaluminum leakage of pipe flange according to claim 5, characterized in that a side groove (11) is formed in each of said half through holes (3), and an outer seal (12) is formed in said side groove (11).

7. Device for reducing the risk of triethyl aluminium leakage at the flange mouth of a pipe according to claim 6, characterized in that the outer seal (12) and the inner seal (9) are made of ethylene propylene diene monomer.

8. Device for reducing the risk of triethyl aluminium leakage at the flange mouth of a pipe according to claim 1, characterised in that the mounting block (1) is made of brass.

9. Device for reducing the risk of triethylaluminium leakage from a pipe flange according to claim 1, characterized in that a heat-resistant layer (13) is provided on the inner surface of each mounting block (1), said heat-resistant layer (13) being made of expanded graphite.

10. The device for reducing the risk of triethylaluminum leakage of a pipe flange port according to claim 1, wherein the fixing structure (6) comprises two engaging lugs (14) and a fixing bolt (15), the two engaging lugs (14) are respectively disposed on the side portions of the corresponding mounting blocks (1), and each engaging lug (14) is provided with a screw hole (16) for the fixing bolt (15) to pass through.