CN218761998U - High-hydrogen-resistance flat welding flange with neck - Google Patents
High-hydrogen-resistance flat welding flange with neck Download PDFInfo
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- CN218761998U CN218761998U CN202223161810.4U CN202223161810U CN218761998U CN 218761998 U CN218761998 U CN 218761998U CN 202223161810 U CN202223161810 U CN 202223161810U CN 218761998 U CN218761998 U CN 218761998U
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Abstract
The utility model discloses a high hydrogen resistance area neck flat welding flange relates to area neck flat welding flange technical field, for solving current flat welding flange when in-service use with pipeline interconnect, mainly uses bolted connection, but only this kind of single structure of bolt is connected, the not firm enough problem of being connected between flat welding flange and the pipeline. Including the flat welding flange main part, flat welding flange main part both ends all are provided with the connecting plate, connecting plate and flat welding flange main part welded connection, the defeated flow mouth has been seted up on the connecting plate, defeated flow mouth sets up as an organic whole with the connecting plate, still includes anti hydrogen interlayer, anti hydrogen interlayer sets up on defeated flow mouth inner wall, anti hydrogen interlayer and defeated flow mouth inner wall welded connection connect, the bolt preformed hole has been seted up on the connecting plate, bolt preformed hole sets up as an organic whole with the connecting plate, be provided with the carbide back up coat in the flat welding flange main part, carbide back up coat and flat welding flange main part welded connection.
Description
Technical Field
The utility model relates to a take neck flat welding flange technical field specifically is a high hydrogen resistance takes neck flat welding flange.
Background
A flange, also known as a flange collar or flange. Flanges are parts for interconnecting pipes and are used for connecting pipe ends, and flanges are used for connecting equipment inlets and outlets, such as speed 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 pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with a gasket. The flange is divided into a threaded connection (screw thread connection) flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be connected with the flanges through threads, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. Different pressure's flange thickness is different, and the bolt that they used is also different, and as application number 201620023805.2 is a high hydrogen resistance area neck flush joint flange, the device includes ring flange, neck pipe, there is communicating honeycomb duct ring flange and neck pipe inside, the honeycomb duct divide into two parts, and honeycomb duct upper portion pipe diameter equals, and the pipe diameter of honeycomb duct lower part is greater than the pipe diameter on honeycomb duct upper portion, and the pipe wall of honeycomb duct lower part is slick and sly inclined plane, the utility model discloses utilize inclined plane structure or the ARC structure of honeycomb duct lower part, reduce the impact of fluid to flange especially flange joint department in the use, improve the life and the sealing performance of flange.
When the flat welding flange is connected with a pipeline in actual use, the flat welding flange is mainly connected with the pipeline by using bolts, but only the single structure of the bolts is used for connection, and the connection between the flat welding flange and the pipeline is not firm enough; we have therefore proposed a high hydrogen resistance necked flat welded flange in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high hydrogen resistance nature area neck flat welding flange to solve the current flat welding flange that proposes in the above-mentioned background art when in actual use with pipeline interconnect, mainly use bolted connection, but only this single structure of bolt is connected, the not firm enough problem of being connected between flat welding flange and the pipeline.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high hydrogen resistance area neck flat welding flange, includes the flat welding flange main part, flat welding flange main part both ends all are provided with the connecting plate, connecting plate and flat welding flange main part welded connection, the defeated flow mouth has been seted up on the connecting plate, defeated flow mouth sets up as an organic whole with the connecting plate, still includes anti hydrogen interlayer, anti hydrogen interlayer sets up on defeated flow mouth inner wall, anti hydrogen interlayer and defeated flow mouth inner wall welded connection, the bolt preformed hole has been seted up on the connecting plate, bolt preformed hole sets up as an organic whole with the connecting plate, be provided with the carbide back up coat in the flat welding flange main part, carbide back up coat and flat welding flange main part welded connection.
Preferably, the hard alloy reinforcing layer is provided with a shock absorption filling layer on one side far away from the flat welding flange main body, and the shock absorption filling layer is connected with the hard alloy reinforcing layer in an adhesion manner.
Preferably, an antirust coating is arranged on the flat welding flange main body.
Preferably, an adsorption magnetic block is arranged on the connecting plate and is in adhesive connection with the connecting plate.
Preferably, the connecting plate is provided with a rubber sealing ring, and the rubber sealing ring is connected with the connecting plate in an adhesion manner.
Preferably, a buffering angle is arranged on the inner wall of the fluid delivery port, and the buffering angle and the fluid delivery port are integrally arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an all be provided with the connecting plate at open position flange main part both ends, connecting plate and open position flange main part welded connection, the defeated mouth has been seted up on the connecting plate, defeated mouth sets up as an organic whole with the connecting plate, still include anti hydrogen interlayer, anti hydrogen interlayer sets up on defeated mouth inner wall, anti hydrogen interlayer and defeated mouth inner wall welded connection connect, the bolt preformed hole has been seted up on the connecting plate, bolt preformed hole and connecting plate setting as an organic whole, be provided with the carbide back up coat in the open position flange main part, carbide back up coat and open position flange main part welded connection, the setting of carbide back up coat can strengthen the holistic intensity hardness of open position flange main part, the carbide back up coat is provided with the bradyseism filling layer in the one side of keeping away from open position flange main part, the bradyseism filling layer is connected with the carbide back up coat adhesion, the setting of bradyseism filling layer can be when open position flange main part receives the impact, absorb some impact, avoid the impact to say too big, the damage of bradyseism filling layer, the damage of impact can be in the open position flange main connection with the pipeline of the mutual connection when the firm connection of the connection of bolt, the main connection with the main pipeline of the firm connection of the main connection of the use, the pipeline of bolt, the main connection with the firm connection of the pipeline of the main bolt, the pipeline of the firm connection of the pipeline that can be in the each other, the pipeline of the pipeline.
2. Through being provided with anti rust coating in the flush joint flange main part, anti rust coating's setting can avoid the flush joint flange main part to install when outdoor, is corroded by rainwater or corrosive liquid and causes the flush joint flange main part surface to take place the damage, and anti rust coating can prolong the life of flush joint flange main part.
3. Through being provided with rubber seal on the connecting plate, rubber seal is connected with the connecting plate adhesion, and rubber seal's setting can fill up the gap between pipeline and the connecting plate when connecting plate and pipeline interconnect, avoids the gap between connecting plate and the pipeline to produce the seepage.
4. Through being provided with the buffering angle on defeated stream mouthful inner wall, the buffering angle sets up as an organic whole with defeated stream mouthful, and the setting of buffering angle can be when flush joint flange main part and pipeline interconnect, and rivers can slow down the impact force of rivers through the buffering angle earlier when in the flush joint flange main part, in order to avoid the rivers velocity of flow too fast, direct impact to flush joint flange main part inner wall, leads to flush joint flange main part inner wall to take place to break.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the rear end structure of the present invention;
FIG. 3 is a schematic sectional view of the main body of the flat welding flange of the present invention;
in the figure: 1. flat welding the flange main body; 2. an antirust coating; 3. a connecting plate; 4. reserving a hole for the bolt; 5. a fluid delivery port; 6. a rubber seal ring; 7. adsorbing a magnetic block; 8. a hard alloy reinforcing layer; 9. a cushioning filling layer; 10. a hydrogen resistant barrier layer; 11. the buffer angle.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a high hydrogen resistance area neck flat-welded flange, including flat-welded flange main part 1, 1 both ends of flat-welded flange main part all are provided with connecting plate 3, connecting plate 3 and 1 welded connection of flat-welded flange main part, defeated flow mouth 5 has been seted up on the connecting plate 3, defeated flow mouth 5 sets up as an organic whole with connecting plate 3, still include anti hydrogen interlayer 10, anti hydrogen interlayer 10 sets up on defeated flow mouth 5 inner wall, anti hydrogen interlayer 10 and 5 inner wall welded connection of defeated flow mouth, bolt preformed hole 4 has been seted up on the connecting plate 3, bolt preformed hole 4 sets up as an organic whole with connecting plate 3, be provided with carbide back up coat 8 on the flat-welded flange main part 1, carbide back up coat 8 and 1 welded connection of flat-welded flange main part.
Referring to fig. 3, a bradyseism filling layer 9 is arranged on one side of the hard alloy reinforcing layer 8, which is far away from the flat welding flange main body 1, the bradyseism filling layer 9 is connected with the hard alloy reinforcing layer 8 in an adhesion manner, and the bradyseism filling layer 9 can absorb a part of impact force when the flat welding flange main body 1 is impacted from the outside, so that the damage of shaking the flat welding flange main body 1 due to the fact that the impact force is too large is avoided.
Referring to fig. 1, the flat welding flange main body 1 is provided with the antirust coating 2, the antirust coating 2 can prevent the surface of the flat welding flange main body 1 from being damaged due to corrosion of rain or corrosive liquid when the flat welding flange main body 1 is installed outdoors, and the antirust coating 2 can prolong the service life of the flat welding flange main body 1.
Referring to fig. 1, an adsorption magnet 7 is arranged on the connecting plate 3, the adsorption magnet 7 is connected with the connecting plate 3 in an adhesion manner, and when the connecting plate 3 is connected with a pipeline, the adsorption magnet 7 can adsorb the pipeline, so that the firmness of connection between the connecting plate 3 and the pipeline is further enhanced.
Referring to fig. 1, a rubber seal ring 6 is arranged on the connecting plate 3, the rubber seal ring 6 is connected with the connecting plate 3 in an adhesion manner, and the rubber seal ring 6 can fill a gap between the pipeline and the connecting plate 3 when the connecting plate 3 is connected with the pipeline, so that the gap between the connecting plate and the pipeline is prevented from leaking.
Referring to fig. 3, a buffering angle 11 is arranged on the inner wall of the flow delivery port 5, the buffering angle 11 and the flow delivery port 5 are integrally arranged, and the buffering angle 11 can slow down the impact force of water flow through the buffering angle 11 when the flat welding flange main body 1 and a pipeline are connected with each other and water flow passes through the flat welding flange main body 1, so as to avoid that the water flow velocity is too fast and directly impacts the inner wall of the flat welding flange main body 1, which leads to the breakage of the inner wall of the flat welding flange main body 1.
The working principle is as follows: when in use, both ends of the flat welding flange main body 1 are provided with connecting plates 3, the connecting plates 3 are welded with the flat welding flange main body 1, the connecting plates 3 are provided with flow delivery ports 5, the flow delivery ports 5 and the connecting plates 3 are integrally arranged, the flat welding flange main body 1 also comprises a hydrogen resistant interlayer 10, the hydrogen resistant interlayer 10 is arranged on the inner wall of the flow delivery ports 5, the hydrogen resistant interlayer 10 is welded with the inner wall of the flow delivery ports 5, the connecting plates 3 are provided with bolt preformed holes 4, the bolt preformed holes 4 and the connecting plates 3 are integrally arranged, the flat welding flange main body 1 is provided with a hard alloy reinforcing layer 8, the hard alloy reinforcing layer 8 is welded with the flat welding flange main body 1, the hard alloy reinforcing layer 8 can enhance the strength and the hardness of the whole flat welding flange main body 1, one side of the hard alloy reinforcing layer 8 far away from the flat welding flange main body 1 is provided with a cushioning filling layer 9, and the cushioning filling layer 9 is connected with the hard alloy reinforcing layer 8 in an adhesion way, the shock absorption filling layer 9 can absorb a part of impact force when the flat welding flange main body 1 is impacted by the outside, so that the damage of the flat welding flange main body 1 due to the overlarge impact force is avoided, the adsorption magnetic block 7 is arranged on the connecting plate 3, the adsorption magnetic block 7 is in adhesive connection with the connecting plate 3, the adsorption magnetic block 7 can adsorb a pipeline when the connecting plate 3 is connected with the pipeline, the firm degree of connection between the connecting plate 3 and the pipeline is further tightened, the problem that the existing flat welding flange is connected with the pipeline mainly by using bolts when in actual use, but only the bolts are connected in a single structure, so that the connection between the flat welding flange and the pipeline is not firm enough is effectively solved, the antirust coating 2 is arranged on the flat welding flange main body 1, and the antirust coating 2 can avoid the situation that the flat welding flange main body 1 is installed outdoors, caused flush joint flange main part 1 surface by rainwater or corrosive liquid corrosion to take place the damage, anti rust coating 2 can prolong flush joint flange main part 1's life, be provided with rubber seal 6 on the connecting plate 3, rubber seal 6 is connected with the 3 adhesion of connecting plate, rubber seal 6's setting can be when connecting plate 3 and pipeline interconnect, fill up the gap between pipeline and the connecting plate 3, avoid the gap between connecting plate and the pipeline to produce the seepage, be provided with buffering angle 11 on the defeated mouth 5 inner wall, buffering angle 11 sets up with defeated mouth 5 as an organic whole, the setting of buffering angle 11 can be when flush joint flange main part 1 and pipeline interconnect, when rivers are in the flush joint flange main part 1, can slow down the impact force of rivers through buffering angle 11 earlier, in order to avoid the rivers velocity of flow too fast, direct impact is to flush joint flange main part 1 inner wall, lead to flush joint flange main part 1 inner wall to take place to break.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A high-hydrogen-resistance neck-equipped flat welding flange comprises a flat welding flange main body (1), wherein connecting plates (3) are arranged at two ends of the flat welding flange main body (1), the connecting plates (3) are in welded connection with the flat welding flange main body (1), a flow conveying port (5) is formed in each connecting plate (3), and the flow conveying ports (5) and the connecting plates (3) are integrally arranged;
the method is characterized in that: still include anti hydrogen interlayer (10), anti hydrogen interlayer (10) set up on defeated flow mouth (5) inner wall, anti hydrogen interlayer (10) and defeated flow mouth (5) inner wall welded connection, bolt preformed hole (4) have been seted up on connecting plate (3), bolt preformed hole (4) and connecting plate (3) set up as an organic whole, be provided with carbide back up coat (8) on butt weld flange main part (1), carbide back up coat (8) and butt weld flange main part (1) welded connection.
2. The high hydrogen resistance necked flat welded flange according to claim 1, wherein: the hard alloy reinforcing layer (8) is provided with a shock absorption filling layer (9) on one side far away from the flat welding flange main body (1), and the shock absorption filling layer (9) is connected with the hard alloy reinforcing layer (8) in an adhesion mode.
3. The high hydrogen resistance necked flat welded flange according to claim 1, wherein: and the flat welding flange main body (1) is provided with an antirust coating (2).
4. The high hydrogen resistance necked flat welded flange according to claim 1, wherein: and an adsorption magnetic block (7) is arranged on the connecting plate (3), and the adsorption magnetic block (7) is in adhesive connection with the connecting plate (3).
5. The high hydrogen resistance necked flat welded flange according to claim 1, wherein: the rubber sealing ring (6) is arranged on the connecting plate (3), and the rubber sealing ring (6) is connected with the connecting plate (3) in an adhesion manner.
6. The high hydrogen resistance necked flat welded flange according to claim 1, wherein: the inner wall of the flow conveying port (5) is provided with a buffer angle (11), and the buffer angle (11) and the flow conveying port (5) are integrally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223161810.4U CN218761998U (en) | 2022-11-28 | 2022-11-28 | High-hydrogen-resistance flat welding flange with neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223161810.4U CN218761998U (en) | 2022-11-28 | 2022-11-28 | High-hydrogen-resistance flat welding flange with neck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218761998U true CN218761998U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223161810.4U Active CN218761998U (en) | 2022-11-28 | 2022-11-28 | High-hydrogen-resistance flat welding flange with neck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218761998U (en) |
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2022
- 2022-11-28 CN CN202223161810.4U patent/CN218761998U/en active Active
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