CN214947120U

CN214947120U - Anti-corrosion flange

Info

Publication number: CN214947120U
Application number: CN202121456884.3U
Authority: CN
Inventors: 张墉
Original assignee: Feiyu Flange Co ltd
Current assignee: Feiyu Flange Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-11-30
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an anti-corrosion flange, which belongs to the field of flanges and comprises a flange component body, wherein the flange component body is arranged at one end of a pipeline to be butted, a bolt penetrates through a connecting cylinder column to be matched with a nut to fix the flange component body, an external blocking ring is embedded into an inner cavity of an external blocking groove in the process of butting and fixing the flange component body, the phenomenon that external moist substances invade the flange component body is resisted, an internal seepage blocking ring is embedded into an inner cavity of an internal seepage blocking groove to prevent the liquid leakage phenomenon between the connected pipelines, corrosive liquid permeates into the flange component body to cause the damage phenomenon to the flange component body, when the flange component body is matched with a first protective cover and a second protective cover to be arranged at one end of the pipeline, a cavity is formed between the internal seepage circulation groove and the pipeline, if the leakage phenomenon appears between the connected pipelines, the leakage phenomenon can be found in time.

Description

Anti-corrosion flange

Technical Field

The utility model relates to a flange field, more specifically say, relate to an anticorrosion flange.

Background

The flange is also called a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The flanges are provided with holes, the two flanges are tightly connected through bolts, and the flanges are sealed through gaskets. The flanges are in various specifications and types and are made of various materials, so that the flanges are applied to basic engineering such as chemical engineering, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, water heating, fire fighting, electric power, aerospace, shipbuilding and the like.

Traditional flange exposes the corruption of liquid in air, humid environment and the pipeline for a long time, and the flange often receives to corrode and leads to damage such as weeping, not only influences the normal work of pipeline, still time-wasting during the dismantlement, and when the weeping phenomenon appears between the pipeline of connecting, in time discovery is not convenient for.

Disclosure of Invention

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an anticorrosion flange can realize improving the corrosion resistance of flange, when the weeping phenomenon appears between the pipeline of connecting, is convenient for in time discover and maintain the maintenance.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An anti-corrosion flange comprises a flange assembly body, wherein a first protective cover and a second protective cover are sleeved on two outer sides of the flange assembly body, connecting cylinder columns are fixedly mounted on the inner walls of the first protective cover and the second protective cover respectively, the connecting cylinder columns penetrate through the flange assembly body, an outer ring of the first protective cover is internally provided with an external blocking groove, an inner seepage blocking groove is arranged inside an inner ring of the first protective cover, an external blocking ring is fixedly mounted at the upper end of an outer ring of the second protective cover and is positioned in an inner cavity of the external blocking groove, an inner seepage blocking ring is fixedly mounted at the upper end of an inner ring of the second protective cover and is positioned in the inner cavity of the inner seepage blocking groove, inner ring side walls of the first protective cover and the second protective cover are respectively provided with an inner seepage groove, and the flange assembly body is mounted at one end of a pipeline to be butted, the bolt penetrates through the connecting cylinder column and is matched with the nut to fix the flange component bodies, in the process of butt joint and fixation of the flange component bodies, the external blocking ring is embedded into the inner cavity of the external blocking groove and is used for resisting the phenomenon that external moist substances invade the flange component bodies, the internal seepage blocking ring is embedded into the inner cavity of the internal seepage blocking groove to prevent the leakage phenomenon between connected pipelines, corrosive liquid of the internal seepage blocking ring permeates into the flange component bodies to damage the flange component bodies, when the flange component bodies are matched with the first protective cover and the second protective cover to be installed at one end of the pipeline, a cavity is formed between the internal seepage flow groove and the pipeline, if the leakage phenomenon occurs between the connected pipelines, the corrosion resistance of the flange can be improved by timely finding, and when the leakage phenomenon occurs between the connected pipelines, is convenient for finding and maintaining in time.

Further, first protection casing, second protection casing and connecting cylinder post all adopt the component that the ceramic fibre material made, the outer end bonding of connecting cylinder post has rubber buffer layer, carries out the in-process fixed to the flange subassembly body when bolt cooperation nut, through rubber buffer layer, reduces the rigidity extrusion of bolt and nut to connecting cylinder post, prevents that the connecting cylinder post from appearing damaged phenomenon.

Further, the upper end bonding of external separation ring and internal permeation separation ring has the sealing ring, the component that the sealing ring adopted the rubber material to make, when external separation ring and internal permeation separation ring imbed external separation groove and internal permeation separation groove, through the sealing ring, improve the leakproofness and the compactness of butt joint department.

Further, the degree of depth in external separation groove is greater than the thickness of external separation ring, the degree of depth in the internal permeation separation groove is greater than the thickness of internal permeation separation ring, and external separation ring and the embedded extrusion of internal permeation separation ring cooperation sealing ring just in time with external separation groove and internal permeation separation groove phase-match for the inboard abundant laminating of first protection casing and second protection casing ensures the protecting effect of first protection casing and second protection casing.

Further, the outer end fixed mounting of interior infiltration circulation groove has the barrier layer, the component that the barrier layer adopted a transparent material to make, through transparent barrier layer, when being convenient for observe the weeping phenomenon, carry out the separation to the liquid that flows and seal up the deposit, prevent more liquid looks external outflow.

3. Advantageous effects

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

(1) in the scheme, the flange assembly body is arranged at one end of a pipeline to be butted, the bolt penetrates through the connecting cylinder column and is matched with the nut to fix the flange assembly body, the external blocking ring is embedded into the inner cavity of the external blocking groove in the process of butting and fixing the flange assembly body and is used for resisting the phenomenon that external damp substances invade the flange assembly body, the internal permeation blocking ring is embedded into the inner cavity of the internal permeation blocking groove to prevent the leakage phenomenon between the connected pipelines, corrosive liquid permeates into the flange assembly body to damage the flange assembly body, when the flange assembly body is matched with the first protective cover and the second protective cover to be arranged at one end of the pipeline, a cavity is formed between the internal permeation circulation groove and the pipeline, and if the leakage phenomenon occurs between the connected pipelines, the leakage phenomenon can be found in time, the corrosion resistance of the flange can be improved, and when the liquid leakage phenomenon occurs between the connected pipelines, the flange is convenient to find in time and maintain.

(2) First protection casing, second protection casing and connecting cylinder post all adopt the component that the ceramic fibre material made, and the outer end bonding of connecting cylinder post has the rubber buffer layer, carries out the in-process of fixing when bolt cooperation nut to flange subassembly body, through the rubber buffer layer, reduces the rigidity extrusion of bolt and nut to connecting cylinder post, prevents that connecting cylinder post from appearing damaged phenomenon.

(3) The sealing ring is adhered to the upper ends of the external blocking ring and the internal permeation blocking ring and is made of rubber, and when the external blocking ring and the internal permeation blocking ring are embedded into the external blocking groove and the internal permeation blocking groove, the sealing ring improves the sealing performance and tightness of the butt joint.

(4) The degree of depth in external separation groove is greater than the thickness of external separation ring, and the degree of depth in the internal permeation separation groove is greater than the thickness of internal permeation separation ring, and external separation ring cooperates the embedded extrusion of sealing ring with internal permeation separation ring, just in time with external separation groove and internal permeation separation groove phase-match for the inboard abundant laminating of first protection casing and second protection casing ensures the protective effect of first protection casing and second protection casing.

(5) The outer end fixed mounting of interior infiltration circulation groove has the barrier layer, and the barrier layer adopts the component that a transparent material made, through transparent barrier layer, when being convenient for observe the weeping phenomenon, carries out the separation to the liquid that flows and seals up the deposit, prevents more liquid external outflow mutually.

Drawings

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

fig. 2 is a schematic structural view of the flange assembly body and the first protective cover of the present invention;

fig. 3 is a schematic structural view of a first protective cover of the present invention;

fig. 4 is a schematic sectional view of the second protective cover of the present invention.

The reference numbers in the figures illustrate:

1 flange subassembly body, 2 first protection casings, 3 second protection casings, 4 connection section of thick bamboo posts, 401 rubber buffer layer, 5 external separation grooves, 6 internal permeation separation grooves, 7 external separation rings, 701 sealing ring, 8 internal permeation separation rings, 9 internal permeation circulation grooves, 901 barrier layer.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, an anti-corrosion flange includes a flange assembly body 1, and is characterized in that: a first protective cover 2 and a second protective cover 3 are sleeved on two outer sides of a flange assembly body 1, connecting cylinder columns 4 are fixedly arranged on the inner walls of the first protective cover 2 and the second protective cover 3, the connecting cylinder columns 4 penetrate through the flange assembly body 1, an outer ring of the first protective cover 2 starts to be in contact with an external blocking groove 5, an inner infiltration blocking groove 6 starts to be arranged in an inner ring of the first protective cover 2, an external blocking ring 7 is fixedly arranged at the upper end of an outer ring of the second protective cover 3, the external blocking ring 7 is arranged in an inner cavity of the external blocking groove 5, an inner infiltration blocking ring 8 is fixedly arranged at the upper end of an inner ring of the second protective cover 3, the inner infiltration blocking ring 8 is arranged in an inner cavity of the inner infiltration blocking groove 6, inner infiltration circulation grooves 9 start to be arranged on the side walls of the inner rings of the first protective cover 2 and the second protective cover 3, the flange assembly body 1 is arranged at one end of a pipeline to be butted, bolts penetrate through the connecting cylinder columns 4 to be matched with nuts to fix the flange assembly body 1, in the process of butt-joint fixation of the flange assembly body 1, the external blocking ring 7 is embedded into the inner cavity of the external blocking groove 5 and is used for resisting the phenomenon that external damp substances invade the inside of the flange assembly body 1, the inner seepage blocking ring 8 is embedded into the inner cavity of the inner seepage blocking groove 6 to prevent the leakage phenomenon between the connected pipelines, the corrosive liquid permeates into the flange component body 1 to damage the flange component body 1, while the flange assembly body 1 is fitted with the first and

second hoods

2 and 3 to be installed at one end of the pipeline, by forming the cavity between the internal seepage circulation groove 9 and the pipeline, if the leakage phenomenon occurs between the connected pipelines, the leakage can be found in time, the corrosion resistance of the flange can be improved, and when the liquid leakage phenomenon occurs between the connected pipelines, the flange is convenient to find in time and maintain.

Referring to fig. 1, the first shield 2, the second shield 3 and the connecting cylinder 4 are made of ceramic fiber, the outer end of the connecting cylinder 4 is adhered with a rubber buffer layer 401, and when the bolt is matched with the nut to fix the flange assembly body 1, the rubber buffer layer 401 reduces the rigid extrusion of the bolt and the nut on the connecting cylinder 4, and prevents the connecting cylinder 4 from being damaged.

Referring to fig. 2-4, the sealing ring 701 is adhered to the upper ends of the external blocking ring 7 and the internal-permeation blocking ring 8, the sealing ring 701 is made of rubber, when the external blocking ring 7 and the internal-permeation blocking ring 8 are embedded into the external blocking groove 5 and the internal-permeation blocking groove 6, the sealing performance and tightness of the butt joint are improved through the sealing ring 701, the depth of the external blocking groove 5 is larger than the thickness of the external blocking ring 7, the depth of the internal-permeation blocking groove 6 is larger than the thickness of the internal-permeation blocking ring 8, the external blocking ring 7 and the internal-permeation blocking ring 8 are matched with the embedded extrusion of the sealing ring 701 and just match with the external blocking groove 5 and the internal-permeation blocking groove 6, so that the inner sides of the first protective cover 2 and the second protective cover 3 are fully attached, and the protective effect of the first protective cover 2 and the second protective cover 3 is ensured.

Referring to fig. 2, the outer end of the inner infiltration circulation groove 9 is fixedly installed with a barrier layer 901, the barrier layer 901 is made of a transparent material, and the transparent barrier layer 901 is used for blocking and sealing the flowing liquid while the liquid leakage phenomenon is observed, so as to prevent more liquid phases from flowing out from the outside.

In the utility model, when the related technicians use the device, the flange component body 1 is arranged at one end of the pipeline to be butted, the bolt through connecting cylinder column 4 is matched with the nut to fix the flange component body 1, in the process of butting and fixing the flange component body 1, the external blocking ring 7 is embedded into the inner cavity of the external blocking groove 5 and is used for resisting the phenomenon that external moist substances invade the flange component body 1, the internal seepage blocking ring 8 is embedded into the inner cavity of the internal seepage blocking groove 6 to prevent the liquid leakage phenomenon between the connected pipelines, corrosive liquid of the corrosive liquid permeates into the flange component body 1 and damages the flange component body 1, when the flange component body 1 is matched with the first protective cover 2 and the second protective cover 3 to be arranged at one end of the pipeline, a cavity is formed between the internal seepage groove 9 and the pipeline, if when the weeping phenomenon appears between the pipeline of connecting, can in time discover, can realize improving the corrosion resistance of flange, when the weeping phenomenon appears between the pipeline of connecting, be convenient for in time discover and maintain the maintenance.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. An anti-corrosion flange comprises a flange component body (1), and is characterized in that: two outside covers of flange subassembly body (1) are equipped with first protection casing (2) and second protection casing (3), the equal fixed mounting of inner wall of first protection casing (2) and second protection casing (3) has connection tube post (4), connect tube post (4) and run through flange subassembly body (1), the outer loop of first protection casing (2) is inside to begin with external separation groove (5), the inner ring of first protection casing (2) is inside to begin to have introversion separation groove (6), the outer loop upper end fixed mounting of second protection casing (3) has external separation ring (7), external separation ring (7) are located the inner chamber of external separation groove (5), the inner ring upper end fixed mounting of second protection casing (3) has introversion separation ring (8), introversion separation ring (8) are located the inner chamber of introversion separation groove (6), the inner ring lateral wall of first protection casing (2) and second protection casing (3) all begins to have introversion circulation groove (9) .

2. An anti-corrosion flange according to claim 1, wherein: first protection casing (2), second protection casing (3) and connection section of thick bamboo post (4) all adopt the component that ceramic fibre material made, the outer end bonding of connection section of thick bamboo post (4) has rubber buffer layer (401).

3. An anti-corrosion flange according to claim 1, wherein: the upper ends of the external blocking ring (7) and the internal permeation blocking ring (8) are bonded with a sealing ring (701), and the sealing ring (701) is a component made of rubber.

4. An anti-corrosion flange according to claim 1, wherein: the depth of the external blocking groove (5) is greater than the thickness of the external blocking ring (7), and the depth of the internal infiltration blocking groove (6) is greater than the thickness of the internal infiltration blocking ring (8).

5. An anti-corrosion flange according to claim 1, wherein: the outer end of the internal seepage and circulation groove (9) is fixedly provided with a blocking layer (901), and the blocking layer (901) is a component made of a transparent material.