CN111895848A - Oil-resistant anti-corrosion polymer sealing gasket for plate heat exchanger - Google Patents
Oil-resistant anti-corrosion polymer sealing gasket for plate heat exchanger Download PDFInfo
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- CN111895848A CN111895848A CN202010528835.XA CN202010528835A CN111895848A CN 111895848 A CN111895848 A CN 111895848A CN 202010528835 A CN202010528835 A CN 202010528835A CN 111895848 A CN111895848 A CN 111895848A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2435/00—Closures, end caps, stoppers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the technical field of high polymer sealing gaskets, and particularly relates to an oil-resistant anticorrosive high polymer sealing gasket for a plate heat exchanger. The sealing piece is provided with the wear-resistant layer, the corrosion-resistant layer is arranged on the sealing piece, the oil-resistant layer and the waterproof layer are arranged on the sealing piece, the sealing layer is arranged on the sealing piece, the wear-resistant layer is arranged on the sealing piece, the corrosion-resistant layer is arranged on the sealing piece, the oil-resistant layer and the waterproof layer are arranged on the sealing piece, the sealing layer is arranged on the sealing layer, the sealing layer is.
Description
Technical Field
The invention relates to the technical field of high polymer sealing gaskets, in particular to an oil-resistant anticorrosive high polymer sealing gasket for a plate heat exchanger.
Background
The plate heat exchanger is composed of a group of thin metal corrugated plates, the plates are provided with holes for two kinds of liquid for heat exchange to pass through, the metal corrugated plates are arranged in a frame with a fixed pressing plate and a movable pressing plate at the front and the back and are clamped by clamping bolts, the plates are provided with rubber sealing gaskets for sealing fluid channels, and the cold fluid and the hot fluid are guided to flow into respective channels alternately, the flow rate, the physical property, the pressure difference and the temperature difference of the fluid determine the number and the size of the plates, the corrugated plates not only increase the turbulence degree, but also a number of support points are formed, which are sufficient to withstand the pressure difference between the media, rectangular channels are formed between the plates, heat exchange takes place through the plates, therefore, the energy conversion in the plate heat exchanger is completed, the plate adopts the plate heat exchanger sealed by the rubber gasket, the working pressure is not more than 2.5MPa generally, and the working temperature is not more than 160 ℃. The sealing gasket of the plate heat exchanger is fixed on the plate in two ways, one is that the sealing gasket is directly adhered in the sealing groove of the plate by using an adhesive, the other is that the sealing gasket is fixed on the plate by using snap fasteners on the sealing gasket, the gasket is also called as an adhesion-free gasket, and the adhesion-free gasket is used, so that the plate heat exchanger can be more quickly overhauled and maintained, the gasket is convenient and quick to replace, and the maintenance cost is reduced.
However, the existing sealing gasket has the following problems:
1. the existing sealing gasket has poor oil resistance, corrosion resistance and wear resistance, cracks and damages are easily caused to the sealing gasket in the use process of the sealing gasket, the sealing performance of the sealing gasket is reduced, the sealing effect of a heat exchanger is poor, the heat exchange effect is not ideal, the service life is short, frequent replacement is realized, the cost is improved, and the requirements of users are difficult to meet;
2. and the rubber seal ring on the heat exchanger plate sheet on the existing market and the heat exchanger plate sheet need to use some auxiliary tools (such as glue guns) in the installation process, so that the installation process is complex, and the disassembly is relatively troublesome in the later period.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an oil-resistant anticorrosive polymer sealing gasket for a plate heat exchanger, and solves the problems of poor oil resistance, corrosion resistance and wear resistance and complex installation of the conventional sealing gasket.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an oil-resistant anti-corrosion high-polymer sealing gasket for a plate heat exchanger comprises a sealing sheet, wherein the sealing sheet comprises a wear-resistant layer, a corrosion-resistant layer, an oil-resistant layer, a waterproof layer and a reinforcing layer, the inner wall of the wear-resistant layer is fixedly connected with the surface of the corrosion-resistant layer, the inner wall of the corrosion-resistant layer is fixedly connected with the surface of the oil-resistant layer, the inner wall of the oil-resistant layer is fixedly connected with the surface of the waterproof layer, the inner wall of the waterproof layer is fixedly connected with the surface of the reinforcing layer, the surface of the sealing sheet is fixedly connected with a sheet, the back surface and the surface of the sheet are both provided with gasket grooves, the inner wall of each gasket groove is connected with the surface of the sealing sheet in a laminating manner, the two sides of the sealing sheet are both fixedly connected with limit blocks, the surfaces of the limit, the inner wall of the limiting groove is provided with a groove, the inner wall of the groove is fixedly connected with a spring, the end part of the spring is fixedly connected with a movable plate, the two sides of the movable plate are both in sliding connection with the inner wall of the groove, a clamping block is fixedly connected to the surface of the movable plate, and the end part of the clamping block is clamped with the inner wall of the clamping groove.
As a preferred technical scheme of the invention, an insertion rod is fixedly connected to the back of the sealing sheet, a slot is formed in the surface of the sealing sheet, and the end part of the insertion rod on the inner wall of the slot is clamped.
As a preferred technical scheme of the invention, the wear-resistant layer is a polyurethane rubber layer, the corrosion-resistant layer is a polytetrafluoroethylene layer, and the oil-resistant layer is an oil-resistant asbestos-free rubber layer.
As a preferred technical scheme of the invention, the waterproof layer is an oil-resistant plant fiber layer, and the reinforcing layer is a glass fiber layer.
As a preferable technical scheme of the invention, the inner wall of the groove is provided with a sliding chute, and the inner wall of the sliding chute is in sliding connection with one side of the moving plate.
As a preferable technical scheme of the invention, a round hole is formed in the plate, and a sealing ring is arranged on the inner wall of the slot.
As a preferable technical scheme of the invention, the inner walls of the two clamping grooves and the end parts of the clamping blocks are both arc-shaped, and the shape of the gasket groove corresponds to that of the sealing sheet.
As a preferred technical scheme of the invention, the limiting groove is arranged at one side of the gasket groove, and the diameter of the surface of the limiting block is matched with the diameter of the inner wall of the limiting groove.
(III) advantageous effects
Compared with the prior art, the invention provides an oil-resistant anticorrosive polymer sealing gasket for a plate heat exchanger, which has the following beneficial effects:
1. this an resistant oily anticorrosive polymer seal gasket for plate heat exchanger, be the wearability in order to improve the gasket through the wearing layer, the wearing and tearing of gasket have been reduced, the corrosion resistant layer can effectively prevent that corrosive liquid from causing the damage to the gasket, the life of gasket has been improved, resistant oil blanket and waterproof layer have improved the sealing performance of gasket, can prevent the gasket phenomenon of leaking and oil leak, the back up coat has improved the use strength of gasket, the performance of gasket has been strengthened, set up the slot, the cooperation of inserted bar and sealing washer is used, can make the compact effect of adjacent gasket more ideal, thereby the heat transfer effect of heat exchanger has been improved.
2. This an resistant oily anticorrosive polymer seal gasket for plate heat exchanger, through the cooperation of spacing groove and stopper, it is more convenient to make to install between gasket and the slab, sets up the use between recess, spring, movable plate and the spout, can make fixture block and draw-in groove carry on spacingly, has improved spacing effect between gasket and the slab, and it is also more convenient when changing and clearing up the gasket, and the practicality is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection structure of the sealing piece and the limiting block of the present invention;
FIG. 3 is a schematic view of the sealing plate structure of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic view of the sealing piece and sealing piece connection structure of the present invention.
In the figure: 1. sealing the sheet; 101. a wear layer; 102. a corrosion resistant layer; 103. oil-tolerant layer; 104. a waterproof layer; 105. a reinforcement layer; 2. a sheet; 3. a gasket groove; 4. a limiting block; 5. a card slot; 6. a limiting groove; 7. a groove; 8. a spring; 9. moving the plate; 10. a clamping block; 11. inserting a rod; 12. a slot; 13. a chute; 14. a circular hole; 15. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: an oil-resistant anti-corrosion high polymer sealing gasket for a plate heat exchanger comprises a sealing sheet 1, wherein the sealing sheet 1 comprises a wear-resistant layer 101, a corrosion-resistant layer 102, an oil-resistant layer 103, a waterproof layer 104 and a reinforcing layer 105, the inner wall of the wear-resistant layer 101 is fixedly connected with the surface of the corrosion-resistant layer 102, the inner wall of the corrosion-resistant layer 102 is fixedly connected with the surface of the oil-resistant layer 103, the inner wall of the oil-resistant layer 103 is fixedly connected with the surface of the waterproof layer 104, the inner wall of the waterproof layer 104 is fixedly connected with the surface of the reinforcing layer 105, the surface of the sealing sheet 1 is fixedly connected with a sheet 2, the back and the surface of the sheet 2 are both provided with gasket grooves 3, the inner wall of the gasket grooves 3 is attached to the surface of the sealing sheet 1, both sides of the sealing sheet 1 are both fixedly connected with limiting blocks 4, the surface of the limiting blocks, the inner wall of spacing groove 6 is seted up recess 7, and the inner wall fixedly connected with spring 8 of recess 7, the tip fixedly connected with movable plate 9 of spring 8, the both sides of movable plate 9 all with the inner wall sliding connection of recess 7, the fixed surface of movable plate 9 is connected with fixture block 10, the tip of fixture block 10 and the inner wall joint of draw-in groove 5.
In this embodiment, gasket 1 comprises wearing layer 101, corrosion resistant layer 102, resistant oil blanket 103, waterproof layer 104 and back up coat 105, makes gasket 1 have good performances such as wear-resisting, corrosion resistant, resistant oil, waterproof and intensity, has improved gasket 1's life, has strengthened the sealed effect of gasket 1, through inserted bar 11 and the inseparable joint of slot 12, makes the compact effect between the adjacent gasket 1 of sound more ideal, has improved the heat transfer effect of heat exchanger, and the practicality is higher.
Specifically, the back fixedly connected with inserted bar 11 of gasket 1, slot 12 has been seted up on the surface of gasket 1, and the tip joint of the inner wall inserted bar 11 of slot 12.
In this embodiment, through the use of inserted bar 11 and slot 12, can improve the compactness of adjacent gasket 1, make the sealed effect of adjacent gasket 1 more ideal, avoided having the gap between the adjacent gasket 1, reduced the sealed effect of gasket 1 to influence the heat transfer effect of heat exchanger.
Specifically, the wear-resistant layer 101 is a polyurethane rubber layer, the corrosion-resistant layer 102 is a polytetrafluoroethylene layer, and the oil-resistant layer 103 is an oil-resistant asbestos-free rubber layer.
In this embodiment, the wearing and tearing of gasket 1 can effectively be reduced on the polyurethane rubber layer, and the sealing gasket 1's corrosion resisting property has been strengthened on the polytetrafluoroethylene layer, has avoided corrosive liquid to cause the damage to gasket 1 to influence the heat transfer effect of heat exchanger, resistant oily no asbestos rubber layer has improved the sealed effect of gasket 1.
Specifically, the waterproof layer 104 is an oil-resistant plant fiber layer, and the reinforcing layer 105 is a glass fiber layer.
In this embodiment, resistant oily plant fiber layer can improve the waterproof performance of gasket 1, has avoided the phenomenon of gasket 1 oil leak, water leakage, has strengthened the sealed effect of gasket 1, and the use strength of gasket 1 has effectively been strengthened to the glass fiber layer, has improved the life of gasket 1.
Specifically, the inner wall of the groove 7 is provided with a sliding groove 13, and the inner wall of the sliding groove 13 is slidably connected with one side of the moving plate 9.
In this embodiment, the sliding grooves 13 are used to stabilize the moving plate 9 during sliding, thereby improving the stability of the moving plate 9.
Specifically, a circular hole 14 is formed in the plate 2, and a sealing ring 15 is arranged on the inner wall of the slot 12.
In this embodiment, set up round hole 14 and be convenient for slab 2 and heat exchanger to carry on spacingly, it is more convenient when the installation, set up sealing washer 15 and improved the inseparable laminating between gasket 1, make the heat exchanger more ideal when using to the usability of gasket 1 has been improved.
Specifically, the inner walls of the two clamping grooves 5 and the end parts of the clamping blocks 10 are both arc-shaped, and the shape of the gasket groove 3 corresponds to that of the sealing sheet 1.
In this embodiment, the inner wall that sets up draw-in groove 5 is the arc form with the tip of fixture block 10, is for installing sealing piece 1 conveniently, makes sealing piece 1 more convenient in the installation, and it is also easier to change sealing piece 1 simultaneously, has alleviateed staff's the amount of labour.
Specifically, the limiting groove 6 is formed in one side of the gasket groove 3, and the surface diameter of the limiting block 4 is matched with the diameter of the inner wall of the limiting groove 6.
In this embodiment, establish in one side of gasket groove 3 through spacing groove 6, be in the same place for the convenience can be laminated with slab 2 to gasket 1, improved gasket 1's installation effect.
The working principle and the using process of the invention are as follows: firstly, when the sealing sheet 1 is installed, the limit block 4 is attached to the gasket groove 3, the limit block 4 slides on the inner wall of the limit groove 6, when the clamping groove 5 contacts with the fixture block 10, the fixture block 10 extrudes the movable plate 9 to move on the inner wall of the sliding groove 13, the movable plate 9 extrudes the spring 8, the fixture block 10 limits the clamping groove 5 through the elasticity of the spring 8, so that the sealing sheet 1 is convenient to install, the abrasion of the sealing sheet 1 can be effectively reduced through the use of the wear-resistant layer 101, the corrosion resistance of the sealing sheet 1 is enhanced by the corrosion-resistant layer 102, the sealing sheet 1 is prevented from being damaged by corrosive liquid, the heat exchange effect of the heat exchanger is influenced, the oil-resistant layer 103 improves the sealing performance of the sealing sheet 1, the waterproof layer 104 can improve the waterproof performance of the sealing sheet 1, the phenomena of oil leakage and water leakage of the sealing sheet 1 are avoided, the sealing, the service life of the sealing piece 1 is prolonged, the tightness of the adjacent sealing piece 1 can be improved through the use of the inserted bar 11 and the slot 12, the sealing effect of the adjacent sealing piece 1 is more ideal, a gap is avoided between the adjacent sealing pieces 1, the sealing effect of the sealing piece 1 is reduced, and therefore the heat exchange effect of the heat exchanger is influenced.
Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an anticorrosive polymer seal gasket of resistant oil for plate heat exchanger, includes gasket (1), its characterized in that: the sealing plate (1) comprises a wear-resistant layer (101), a corrosion-resistant layer (102), an oil-resistant layer (103), a waterproof layer (104) and a reinforcing layer (105), the inner wall of the wear-resistant layer (101) is fixedly connected with the surface of the corrosion-resistant layer (102), the inner wall of the corrosion-resistant layer (102) is fixedly connected with the surface of the oil-resistant layer (103), the inner wall of the oil-resistant layer (103) is fixedly connected with the surface of the waterproof layer (104), the inner wall of the waterproof layer (104) is fixedly connected with the surface of the reinforcing layer (105), the surface of the sealing plate (1) is fixedly connected with a plate sheet (2), gasket grooves (3) are formed in the back and the surface of the plate sheet (2), the inner wall of each gasket groove (3) is attached to the surface of the corresponding gasket (1), limiting blocks (4) are fixedly connected to the two sides of the sealing plate (1), clamping grooves (5) are, spacing groove (6) have all been seted up on the back and the surface of slab (2), one side sliding connection of the inner wall of spacing groove (6) and stopper (4), the inner wall of spacing groove (6) is seted up fluted (7), the inner wall fixedly connected with spring (8) of recess (7), the tip fixedly connected with movable plate (9) of spring (8), the both sides of movable plate (9) all with the inner wall sliding connection of recess (7), the fixed surface of movable plate (9) is connected with fixture block (10), the tip of fixture block (10) and the inner wall joint of draw-in groove (5).
2. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: the back fixedly connected with inserted bar (11) of gasket (1), slot (12) have been seted up on the surface of gasket (1), the tip joint of inner wall inserted bar (11) of slot (12).
3. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: the wear-resistant layer (101) is a polyurethane rubber layer, the corrosion-resistant layer (102) is a polytetrafluoroethylene layer, and the oil-resistant layer (103) is an oil-resistant asbestos-free rubber layer.
4. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: the waterproof layer (104) is an oil-resistant plant fiber layer, and the reinforcing layer (105) is a glass fiber layer.
5. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: the inner wall of the groove (7) is provided with a sliding groove (13), and the inner wall of the sliding groove (13) is in sliding connection with one side of the moving plate (9).
6. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: round holes (14) are formed in the plate pieces (2), and sealing rings (15) are arranged on the inner walls of the slots (12).
7. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: the inner walls of the two clamping grooves (5) and the end parts of the clamping blocks (10) are both arc-shaped, and the shape of the gasket groove (3) corresponds to that of the sealing sheet (1).
8. The oil-resistant anticorrosive polymer sealing gasket for the plate heat exchanger according to claim 1, characterized in that: the limiting groove (6) is formed in one side of the gasket groove (3), and the diameter of the surface of the limiting block (4) is matched with the diameter of the inner wall of the limiting groove (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528835.XA CN111895848A (en) | 2020-06-11 | 2020-06-11 | Oil-resistant anti-corrosion polymer sealing gasket for plate heat exchanger |
| PCT/CN2020/128251 WO2021248807A1 (en) | 2020-06-11 | 2020-11-12 | Oil-resistant and anti-corrosive polymer sealing gasket for plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528835.XA CN111895848A (en) | 2020-06-11 | 2020-06-11 | Oil-resistant anti-corrosion polymer sealing gasket for plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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| CN202010528835.XA Pending CN111895848A (en) | 2020-06-11 | 2020-06-11 | Oil-resistant anti-corrosion polymer sealing gasket for plate heat exchanger |
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| WO (1) | WO2021248807A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248807A1 (en) * | 2020-06-11 | 2021-12-16 | 扬州派斯特换热设备有限公司 | Oil-resistant and anti-corrosive polymer sealing gasket for plate heat exchanger |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234706A (en) * | 2021-12-29 | 2022-03-25 | 广东石油化工学院 | A kind of anti-corrosion protection structure of chemical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021248807A1 (en) * | 2020-06-11 | 2021-12-16 | 扬州派斯特换热设备有限公司 | Oil-resistant and anti-corrosive polymer sealing gasket for plate heat exchanger |
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| Publication number | Publication date |
|---|---|
| WO2021248807A1 (en) | 2021-12-16 |
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