CN215000003U - Chemical pipeline flange with anti-corrosion function - Google Patents
Chemical pipeline flange with anti-corrosion function Download PDFInfo
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- CN215000003U CN215000003U CN202120883493.3U CN202120883493U CN215000003U CN 215000003 U CN215000003 U CN 215000003U CN 202120883493 U CN202120883493 U CN 202120883493U CN 215000003 U CN215000003 U CN 215000003U
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Abstract
The utility model discloses a flange for chemical pipeline with anticorrosive function, include: the chemical pipeline assemblies are arranged in a transverse coaxial symmetrical mode in a group of two chemical pipeline assemblies, and the chemical pipeline assemblies adopt corrosion-resistant special pipelines; the anti-corrosion sleeve is arranged in a circular structure and is sleeved on the outer wall of the inner end of the chemical pipeline assembly; the bottom end of the main flange plate is arranged in a right inverted structure, and the main flange plate is fixedly sleeved on the left side of the outer wall of the anti-corrosion sleeve; and the bottom end of the auxiliary flange plate is installed in a leftward inverted structure, and the main flange plate is fixedly sleeved on the right side of the outer wall of the anti-corrosion sleeve. This chemical pipeline flange with anticorrosive function, after connecting chemical pipeline subassembly through anticorrosive sleeve pipe, when sealing disk through main flange dish and vice ring flange are inside seals, carries out spacing fixed to the ring flange through the locking screw, prevents to take place the condition that chemical liquid leaked.
Description
Technical Field
The utility model relates to a flange technical field specifically is a flange for chemical pipeline with anticorrosive function.
Background
The chemical pipe flange having an anticorrosive function means that a pipe for collecting a chemical liquid by pouring is required to have a specific corrosion resistance in a chemical plant and a specific place related to a chemical product, and the pipe is prevented from being corroded by the chemical liquid to cause leakage, so that a specific connecting flange is required to be used for connecting the chemical pipe.
Most of the existing flanges for chemical pipelines are used in the using process, in order to meet the requirements of corrosion resistance and strength, metal flange pipes are usually adopted, then the inner surface and the outer surface of each metal flange pipe are coated with a plastic lining and an outer coating layer with better corrosion resistance, the broken part connecting positions of the plastic lining and the outer coating layer are at right-angle connecting positions, sealing is difficult to treat, liquid inside a pipe fitting leaks due to untight flange connection, the surface of the flange is corroded, the service life of the flange is prolonged, and the using effect is poor.
Therefore, we have proposed a flange for chemical piping having an anti-corrosive function so as to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flange for chemical pipeline with anticorrosive function, with solve the present market that above-mentioned background art provided and present most flange for chemical pipeline in the use, in order to satisfy anticorrosive and intensity requirement, often adopt metal flange pipe, then at the better plastic inside lining of inside and outside surface cladding anticorrosive property and outer cladding layer of metal flange pipe, the fracture hookup location of plastic inside lining and outer cladding layer is in the right angle junction, it is difficult to handle to seal relatively, and the inside liquid of pipe fitting is because flange joint is inseparable and the seepage, corrode the surface of flange, thereby the life of flange has been reduced, the poor problem of result of use.
In order to achieve the above object, the utility model provides a following technical scheme: a flange for chemical pipelines having an anti-corrosive function, comprising:
the chemical pipeline components are arranged in a transverse, coaxial and symmetrical mode in a group of two, the chemical pipeline components adopt corrosion-resistant special pipelines, and the chemical pipeline components are laid in a structural distribution mode with the same diameter;
the anti-corrosion sleeve is arranged in a circular structure, is sleeved on the outer wall of the inner end of the chemical pipeline assembly, and is transversely and coaxially distributed with the chemical pipeline assembly;
the bottom end of the main flange plate is arranged in a right inverted structure, and the main flange plate is fixedly sleeved on the left side of the outer wall of the anti-corrosion sleeve;
the bottom end of the auxiliary flange plate is installed in an inverted structure towards the left, and the main flange plate is fixedly sleeved on the right side of the outer wall of the anti-corrosion sleeve;
and the length of the locking screw is greater than the sum of the length of the bottom end of the main flange plate and the length of the bottom end of the auxiliary flange plate, and the locking screw uniformly penetrates through the inner part of the outer side of the main flange plate and the inner part of the outer side of the auxiliary flange plate at equal angles.
Preferably, the chemical pipeline assembly and the anti-corrosion sleeve are connected through a sliding sleeve which is attached to each other, the diameter of the chemical pipeline assembly is smaller than that of the anti-corrosion sleeve, and the inner wall of the anti-corrosion sleeve is increased through a rough structure and is in friction force with the chemical pipeline assembly.
Preferably, the locking screw socket convenient to connect the locking screw rod is all seted up with the inside of vice ring flange in the avris of main ring flange, and the inside of main ring flange and the inside of vice ring flange all connect respectively in the outer wall of main sealing dish and vice sealing dish through the mounting groove of seting up, carry out spacing fixedly after cooperation through locking screw socket and locking screw rod.
Preferably, the mounting groove is in one-to-one correspondence with the main flange plate and the auxiliary flange plate, and the diameter of the mounting groove is larger than that of the chemical pipeline assembly, so that the mounting groove is not influenced by the chemical pipeline assembly.
Preferably, be the same for the diameter between main sealed dish and the vice sealed dish, the ring-shaped structure that the width equals sets up, and fixed being provided with conflict hook in angles such as the outside of main sealed dish to conflict mouth has been seted up to the outside inside of vice sealed dish, mutual parallel distribution sets up between the vertical central axis of main sealed dish and the vertical central axis of vice sealed dish, and is the one-to-one setting between the conflict hook in the main sealed dish outside and the inside conflict mouth of vice sealed dish, carries out spacing fixedly through the cooperation of conflict hook and conflict mouth.
Preferably, the equal threaded connection in both ends has lock nut about the lock screw, and the one-to-one setting between lock screw and the locking screw mouth to lock nut sets up about the vertical center axis symmetric distribution of lock screw, carries out spacing fixed to lock screw through the lock nut of the left and right sides.
Compared with the prior art, the beneficial effects of the utility model are that: after the chemical pipeline assembly is connected through the anti-corrosion sleeve, the flange plate is limited and fixed through the locking screw while the main flange plate and the sealing plate in the auxiliary flange plate are sealed, so that the chemical liquid leakage is prevented;
1. after the chemical pipeline components on the left side and the right side are installed in a limiting mode through the anti-corrosion sleeve, chemical liquid inside the chemical pipeline components is prevented from being protected through the anti-corrosion sleeve, leakage is prevented, and then the chemical pipeline components are fixedly arranged on the outer wall of the protective sleeve through the main flange plate and the auxiliary flange plate;
2. the main sealing disc in the main flange plate mounting groove and the auxiliary sealing disc in the auxiliary flange plate mounting groove are in butt joint and then rotate, so that the butt joint hook and the butt joint opening are clamped and locked, the main flange plate and the auxiliary flange plate are prevented from being separated, and then the main flange plate and the auxiliary flange plate are limited and fixed through the locking screw and the locking nut.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the main sealing disk mounting structure of the present invention;
FIG. 3 is a schematic view of the installation structure of the anti-corrosion sleeve of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
fig. 6 is a schematic view of the cross-section structure of the corrosion-resistant sleeve of the present invention.
In the figure: 1. a chemical conduit assembly; 2. an anti-corrosion sleeve; 3. a main flange plate; 301. a primary seal disk; 302. A butt hook; 4. an auxiliary flange plate; 401. a secondary sealing disk; 402. a contact port; 5. locking the screw rod; 501. a lock nut; 6. a locking screw port; 7. and (4) mounting the groove.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a flange for chemical pipelines having an anti-corrosive function, comprising:
the chemical pipeline components 1 are arranged in a transverse coaxial symmetrical mode in a group of two, the chemical pipeline components 1 adopt corrosion-resistant special pipelines, and the chemical pipeline components 1 are laid in a structural distribution mode with the same diameter;
the anti-corrosion sleeve 2 is arranged in a circular structure, the anti-corrosion sleeve 2 is sleeved on the outer wall of the inner end of the chemical pipeline assembly 1, and the anti-corrosion sleeve 2 and the chemical pipeline assembly 1 are transversely and coaxially distributed;
the bottom end of the main flange plate 3 is arranged in a right inverted structure, and the main flange plate 3 is fixedly sleeved on the left side of the outer wall of the anti-corrosion sleeve 2;
the bottom end of the auxiliary flange plate 4 is arranged in an inverted structure towards the left, and the main flange plate 3 is fixedly sleeved on the right side of the outer wall of the anti-corrosion sleeve 2;
and the length of the locking screw rods 5 is greater than the sum of the length of the bottom end of the main flange plate 3 and the length of the bottom end of the auxiliary flange plate 4, and the locking screw rods 5 uniformly penetrate through the inner part of the outer side of the main flange plate 3 and the inner part of the outer side of the auxiliary flange plate 4 at equal angles.
The chemical pipeline component 1 and the corrosion-resistant sleeve 2 are connected through a sliding sleeve which is mutually attached, the diameter of the chemical pipeline component 1 is smaller than that of the corrosion-resistant sleeve 2, and the inner wall of the corrosion-resistant sleeve 2 is increased through a rough structure and is in friction force with the chemical pipeline component 1.
The inside locking screw 6 that is convenient for connect locking screw 5 of all having seted up of avris of main flange dish 3 and the inside of vice ring flange 4, and the inside of main flange dish 3 all connects respectively in the outer wall of main sealed dish 301 and vice sealed dish 401 through the mounting groove 7 of seting up with the inside of vice ring flange 4.
The mounting groove 7 is in one-to-one correspondence with the main flange plate 3 and the auxiliary flange plate 4, and the diameter of the mounting groove 7 is larger than that of the chemical pipeline assembly 1.
The diameter is the same between main sealed dish 301 and the vice sealed dish 401, and the ring form structure that the width equals sets up, and the outside of main sealed dish 301 is the fixed conflict hook 302 that is provided with of angle such as, and conflict mouth 402 has been seted up to vice sealed dish 401 inside in the outside, and mutual parallel distribution sets up between the vertical central axis of main sealed dish 301 and the vertical central axis of vice sealed dish 401, and is the one-to-one setting between the conflict hook 302 in the main sealed dish 301 outside and the inside conflict mouth 402 of vice sealed dish 401.
After carrying out spacing installation with the chemical pipeline assembly 1 of the left and right sides through anticorrosive sleeve pipe 2, prevent through anticorrosive sleeve pipe 2 that the inside chemical liquid of chemical pipeline assembly 1 from protecting, prevent the condition of taking place to leak.
The main seal disc 301 in the main flange 3 mounting groove 7 and the auxiliary seal disc 401 in the auxiliary flange 4 mounting groove 7 are butted and then rotated, so that the abutting hook 302 and the abutting port 402 are engaged and locked.
The equal threaded connection in both ends has locking nut 501 about locking screw 5, and the one-to-one setting between locking screw 5 and the locking screw 6 to locking nut 501 sets up about locking screw 5's vertical center axis symmetric distribution.
The working principle is as follows: before the flange with the corrosion prevention function for the chemical pipeline is used, the whole condition of the device needs to be checked firstly to determine that the flange can work normally, as shown in fig. 1-6, after the chemical pipeline components 1 on the left side and the right side are limited and installed through the corrosion prevention sleeve 2, the corrosion prevention sleeve 2 prevents chemical liquid in the chemical pipeline components 1 from protecting, and the leakage is prevented;
fix through main ring flange 3 and vice ring flange 4 and set up in anticorrosive sleeve 2's outer wall, later through main ring flange 3 mounting groove 7 inside main sealed dish 301 and vice sealed dish 401 of vice ring flange 4 mounting groove 7 after butt joint rotatory for conflict hook 302 carries out the block locking with conflict mouth 402, prevents that main ring flange 3 and vice ring flange 4 from taking place the condition that breaks away from, later carries out spacing fixedly through locking screw 5 and lock nut 501.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A flange for a chemical pipeline having an anticorrosion function, comprising:
the chemical pipeline components are arranged in a transverse, coaxial and symmetrical mode in a group of two, the chemical pipeline components adopt corrosion-resistant special pipelines, and the chemical pipeline components are laid in a structural distribution mode with the same diameter;
the anti-corrosion sleeve is arranged in a circular structure, is sleeved on the outer wall of the inner end of the chemical pipeline assembly, and is transversely and coaxially distributed with the chemical pipeline assembly;
the bottom end of the main flange plate is arranged in a right inverted structure, and the main flange plate is fixedly sleeved on the left side of the outer wall of the anti-corrosion sleeve;
the bottom end of the auxiliary flange plate is installed in an inverted structure towards the left, and the main flange plate is fixedly sleeved on the right side of the outer wall of the anti-corrosion sleeve;
and the length of the locking screw is greater than the sum of the length of the bottom end of the main flange plate and the length of the bottom end of the auxiliary flange plate, and the locking screw uniformly penetrates through the inner part of the outer side of the main flange plate and the inner part of the outer side of the auxiliary flange plate at equal angles.
2. A flange for chemical pipelines having an anticorrosion function according to claim 1, characterized in that: the chemical pipeline assembly and the anti-corrosion sleeve are connected through a sliding sleeve which is attached to each other, the diameter of the chemical pipeline assembly is smaller than that of the anti-corrosion sleeve, and the inner wall of the anti-corrosion sleeve is increased through a rough structure and is in friction force with the chemical pipeline assembly.
3. A flange for chemical pipelines having an anticorrosion function according to claim 1, characterized in that: the inside locking screw socket of being convenient for connect the locking screw rod of all seting up with the inside of vice ring flange of avris of main flange dish, and the inside of main flange dish all connects respectively in the outer wall of main sealed dish and vice sealed dish through the mounting groove of seting up with the inside of vice ring flange.
4. A flange for chemical pipelines having an anticorrosion function according to claim 3, characterized in that: the mounting groove, the main flange plate and the auxiliary flange plate are arranged in a one-to-one correspondence mode, and the diameter of the mounting groove is larger than that of the chemical pipeline assembly.
5. A flange for chemical pipelines having an anticorrosion function according to claim 3, characterized in that: be the diameter the same between main sealed dish and the vice sealed dish, the ring form structure that the width equals sets up, and the fixed conflict hook that is provided with in angles such as the outside of main sealed dish to the conflict mouth has been seted up to the outside inside of vice sealed dish, mutual parallel distribution sets up between the vertical central axis of main sealed dish and the vertical central axis of vice sealed dish, and is the one-to-one setting between the conflict hook in the main sealed dish outside and the conflict mouth of vice sealed dish inside.
6. A flange for chemical pipelines having an anticorrosion function according to claim 1, characterized in that: the locking screw rod controls equal threaded connection in both ends and has locking nut, and the one-to-one setting between locking screw rod and the locking screw socket to locking nut sets up about locking screw rod's vertical center axis symmetric distribution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120883493.3U CN215000003U (en) | 2021-04-27 | 2021-04-27 | Chemical pipeline flange with anti-corrosion function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120883493.3U CN215000003U (en) | 2021-04-27 | 2021-04-27 | Chemical pipeline flange with anti-corrosion function |
Publications (1)
Publication Number | Publication Date |
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CN215000003U true CN215000003U (en) | 2021-12-03 |
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Family Applications (1)
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CN202120883493.3U Active CN215000003U (en) | 2021-04-27 | 2021-04-27 | Chemical pipeline flange with anti-corrosion function |
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CN (1) | CN215000003U (en) |
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2021
- 2021-04-27 CN CN202120883493.3U patent/CN215000003U/en active Active
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