CN210372491U - Wet electricity, corrosion-resistant nonmetal expansion joint in desulfurizing tower export - Google Patents
Wet electricity, corrosion-resistant nonmetal expansion joint in desulfurizing tower export Download PDFInfo
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- CN210372491U CN210372491U CN201921141833.4U CN201921141833U CN210372491U CN 210372491 U CN210372491 U CN 210372491U CN 201921141833 U CN201921141833 U CN 201921141833U CN 210372491 U CN210372491 U CN 210372491U
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- expansion joint
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- glass fiber
- clamping ring
- fiber cloth
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Abstract
The utility model relates to the technical field of non-metallic expansion joints, in particular to a non-metallic expansion joint with corrosion resistance at the outlet of a wet electric desulfurizing tower, which solves the defects of low temperature and high corrosion of wet flue gas at the outlet of the existing wet electric desulfurizing tower, comprising two flanges which are respectively arranged at the two ends of the non-metallic expansion joint and are connected with a flue, a clamping ring component is connected between the two flanges, a pressing flange is arranged at the inner side of the clamping ring component, a loading component is also arranged at the outer side of the clamping ring component, a fastening component is arranged between the clamping ring component and the pressing flange, a non-metallic composite structure is fixed through the fastening component, fluorine glue is applied at the contact position between the non-metallic composite structure and the pressing flange and the flanges, so that a skin and a steel structure are tightly connected through the fastening component, condensed water can not leak to the outer surface of a product, avoiding the accumulation of condensed water and reducing the corrosion.
Description
Technical Field
The utility model relates to a non-metallic expansion joint technical field especially relates to a wet electricity, corrosion-resistant non-metallic expansion joint in desulfurizing tower export.
Background
The non-metal expansion joint is also called non-metal compensator and fabric compensator, and belongs to one kind of compensator. The material is mainly fiber fabric, rubber, high temperature resistant material, etc. Can compensate the vibration of the running of the fan and the air pipe and the deformation of the pipeline.
The existing wet flue gas at the outlet of the wet electric desulfurizing tower has low temperature and large corrosion, and the place where the common skin is connected with the steel structure by bolts begins to leak and corrode. The product has short service life, and a lot of condensed water is easily gathered in the product with the original structure, so that the corrosion of the skin is accelerated.
Disclosure of Invention
The utility model aims at solving the defects of low temperature and large corrosion of the existing wet flue gas in the outlet of the wet electric and desulfurizing tower, and providing the non-metallic expansion joint with corrosion resistance in the outlet of the wet electric and desulfurizing tower.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a corrosion-resistant non-metallic expansion joint for outlets of wet electric and desulfurization towers comprises two flanges, wherein the two flanges are respectively arranged at two ends of the expansion joint and connected to a flue, a clamping ring assembly is connected between the two flanges, the inner sides of the two clamping ring assemblies are provided with a pressing flange, the outer side of the clamping ring assembly is also provided with a loading and transporting assembly, a fastening assembly is arranged between the clamping ring assembly and the pressing flange, and a non-metallic composite structure is fixed through the fastening assembly;
the nonmetal composite structure comprises a fluorine adhesive tape, a metal stainless steel wire mesh, first fluorine rubber glass fiber cloth, a first polytetrafluoroethylene film, alkali-free glass fiber cloth, a second polytetrafluoroethylene film and second fluorine rubber glass fiber cloth.
Preferably, the fluorine rubberized fabric is wrapped outside the metal stainless steel wire mesh, the first fluorine rubber glass fiber cloth, the first polytetrafluoroethylene film, the alkali-free glass fiber cloth, the second polytetrafluoroethylene film and the second fluorine rubber glass fiber cloth.
Preferably, the mesh of the metal stainless steel wire mesh is 20 meshes.
Preferably, fluorine glue is coated between the pressing ring assembly and the nonmetal composite structure.
Preferably, the rubber surface of the first fluororubber glass cloth faces outwards, and the rubber surface of the second fluororubber glass cloth faces inwards.
The utility model has the advantages that:
1. and (3) applying fluorine glue to the contact positions between the non-metal composite structure and the pressure flange and the flange to ensure that the skin and the steel structure are tightly connected through the fastener, and the condensed water cannot leak to the outer surface of the product, so that the surface of the product is corroded.
2. The existing structure basically keeps the position of the non-metal composite structure and the pipeline flat, avoids the accumulation of condensed water and also reduces the corrosion.
Drawings
FIG. 1 is a schematic structural view of a corrosion-resistant non-metallic expansion joint at the outlet of a wet electric desulfurizing tower according to the present invention;
FIG. 2 is a schematic structural view of a vertical cross-section non-metallic expansion joint with corrosion resistance at the outlet of a wet electric desulfurizing tower, which is provided by the utility model;
FIG. 3 is a schematic cross-sectional structure diagram of a corrosion-resistant non-metallic expansion joint at the outlet of a wet electric desulfurizing tower according to the present invention;
fig. 4 is the utility model provides a nonmetal composite construction schematic diagram of wet electricity, corrosion-resistant nonmetal expansion joint of desulfurizing tower export.
In the figure: the composite material comprises a flange 1, a clamping ring component 2, a non-metal composite structure 3, a flange 4, a fastening component 5, a shipping component 6, fluorine glue 7, fluorine-containing adhesive tape 31, a metal stainless steel wire 32, fluorine rubber glass fiber cloth 33, a first polytetrafluoroethylene film 34, alkali-free glass fiber cloth 35, a second polytetrafluoroethylene film 36 and fluorine rubber glass fiber cloth 37.
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. 1-4, the corrosion-resistant nonmetal expansion joint for the outlet of the wet electric and desulfurization tower comprises two flanges 1 which are respectively arranged at two ends of the expansion joint and connected to a flue, a clamping ring assembly 2 is connected between the two flanges 1, a pressure flange 4 is arranged at the inner side of each clamping ring assembly 2, a shipping assembly 6 is also arranged at the outer side of each clamping ring assembly 2, a fastening assembly 5 is arranged between each clamping ring assembly 2 and each pressure flange 4, and a nonmetal composite structure 3 is fixed through the fastening assembly 5;
the nonmetal composite structure 3 comprises a fluorine adhesive fabric 31, a metal stainless steel wire mesh 32, a first fluorine rubber glass fiber cloth 33, a first polytetrafluoroethylene film 34, an alkali-free glass fiber cloth 35, a second polytetrafluoroethylene film 36 and a second fluorine rubber glass fiber cloth 37;
the fluorine adhesive tape 31 wraps the metal stainless steel wire mesh 32, the first fluorine rubber glass fiber cloth 33, the first polytetrafluoroethylene film 34, the alkali-free glass fiber cloth 35, the second polytetrafluoroethylene film 36 and the second fluorine rubber glass fiber cloth 37, the mesh of the metal stainless steel wire mesh 32 is 20 meshes, the fluorine adhesive 7 is smeared between the pressing ring component 2 and the nonmetal composite structure 3, the adhesive surface of the first fluorine rubber glass fiber cloth 33 faces outwards, and the adhesive surface of the second fluorine rubber glass fiber cloth 37 faces inwards.
In the embodiment, the contact positions between the non-metal composite structure 3 and the pressing flange 4 and the flange 1 are coated with the fluorine adhesive 7, so that the skin and the steel structure are tightly connected through the fastening piece, and condensed water cannot leak to the outer surface of a product, so that the surface of the product is corroded.
The existing structure basically keeps the position of the non-metal composite structure 3 flat with the pipeline, avoids the accumulation of condensed water and also reduces the corrosion.
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 (5)
1. The corrosion-resistant non-metallic expansion joint for the outlet of the wet electric desulfurizing tower comprises two flanges (1) which are connected to a flue and are arranged at two ends of the expansion joint, and is characterized in that a clamping ring assembly (2) is connected between the two flanges (1), a pressing flange (4) is arranged on the inner side of each of the two clamping ring assemblies (2), a loading and transporting assembly (6) is further arranged on the outer side of each of the clamping ring assemblies (2), a fastening assembly (5) is arranged between each of the clamping ring assemblies (2) and each of the pressing flanges (4), and a non-metallic composite structure (3) is fixed through the fastening assembly (5);
the nonmetal composite structure (3) comprises a fluorine adhesive fabric (31), a metal stainless steel wire mesh (32), a first fluorine rubber glass fiber cloth (33), a first polytetrafluoroethylene film (34), an alkali-free glass fiber cloth (35), a second polytetrafluoroethylene film (36) and a second fluorine rubber glass fiber cloth (37).
2. The wet electric desulfurization tower outlet corrosion-resistant nonmetal expansion joint according to claim 1, wherein the fluorine rubberized fabric (31) is wrapped outside a metal stainless steel wire mesh (32), a first fluorine rubber glass fiber cloth (33), a first polytetrafluoroethylene film (34), an alkali-free glass fiber cloth (35), a second polytetrafluoroethylene film (36) and a second fluorine rubber glass fiber cloth (37).
3. The wet electric desulfurization tower outlet corrosion-resistant non-metallic expansion joint according to claim 1, wherein the mesh of the metal stainless steel wire mesh (32) is 20 meshes.
4. The wet electric and desulfurization tower outlet corrosion-resistant non-metallic expansion joint according to claim 1, characterized in that fluorine glue (7) is coated between the pressing ring assembly (2) and the non-metallic composite structure (3).
5. The wet electric desulfurization tower outlet corrosion-resistant non-metallic expansion joint according to claim 1, wherein the rubber surface of the first fluororubber glass cloth (33) faces outward, and the rubber surface of the second fluororubber glass cloth (37) faces inward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141833.4U CN210372491U (en) | 2019-07-19 | 2019-07-19 | Wet electricity, corrosion-resistant nonmetal expansion joint in desulfurizing tower export |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141833.4U CN210372491U (en) | 2019-07-19 | 2019-07-19 | Wet electricity, corrosion-resistant nonmetal expansion joint in desulfurizing tower export |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372491U true CN210372491U (en) | 2020-04-21 |
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ID=70272662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921141833.4U Active CN210372491U (en) | 2019-07-19 | 2019-07-19 | Wet electricity, corrosion-resistant nonmetal expansion joint in desulfurizing tower export |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372491U (en) |
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2019
- 2019-07-19 CN CN201921141833.4U patent/CN210372491U/en active Active
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