CN219284073U - Metal flange type tube plate with polytetrafluoroethylene added composite material steel lining - Google Patents
Metal flange type tube plate with polytetrafluoroethylene added composite material steel lining Download PDFInfo
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- CN219284073U CN219284073U CN202320124338.2U CN202320124338U CN219284073U CN 219284073 U CN219284073 U CN 219284073U CN 202320124338 U CN202320124338 U CN 202320124338U CN 219284073 U CN219284073 U CN 219284073U
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Abstract
The application discloses polytetrafluoroethylene adds combined material steel lining metal flange formula tube sheet, welds left and right ring flanges and dabber into a whole through welding technique to make this application meet high temperature in the use, outer lining's left and right ring flanges and intermediate dabber play a supporting role to the combined tube sheet, can prevent the combined tube sheet has outside support after the thermal expansion, make product overall structure stable, so that can not take place the leakage accident; the polytetrafluoroethylene pure material is selected as the material of the composite tube plate, and the glass fiber with corresponding proportion is added, so that the composite tube plate has the advantages of high tensile strength, good heat resistance and excellent corrosion resistance; the manganese steel is selected as the materials of the mandrel, the left flange plate and the right flange plate, so that the outer lining support formed by the mandrel, the left flange plate and the right flange plate can bear severe working conditions such as impact, extrusion, material abrasion and the like, and the performance is stable.
Description
Technical Field
The application relates to the technical field of tube type heat exchanger tube plates, in particular to a polytetrafluoroethylene added composite material steel lining metal flange type tube plate.
Background
The main working principle of the heat exchanger is that materials circulate from a heat exchange pipeline inside the heat exchanger, and heat exchange medium is fully used outside the pipeline to exchange heat with the materials in the pipeline, so that heat exchange is completed. In the process of completing heat exchange, oxidative materials and some materials with strong corrosiveness are often accompanied, so that the conventional heat exchanger has the requirements of corrosion resistance, temperature resistance and supporting property for the materials.
In the current market, a glass lining tube type heat exchanger tube plate is generally adopted, and the tube plate is easy to generate a porcelain explosion phenomenon, so that the quality of the whole heat exchanger is unstable and cannot be used for a long time; the existing metal tube type heat exchanger takes a metal tube plate as a carrier, but is usually carried out by adopting a welding process, and oxidation of a metal material is easy to occur, so that the corrosion resistance of the heat exchanger is further reduced; the most used tetrafluoro tube plates have frequent leakage accidents and unstable sealing performance due to long-time high-temperature operation. Therefore, aiming at the defects of the product market, a tube plate with stable and reliable process, high temperature resistance and corrosion resistance and more stable integral structure is urgently needed at present.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide a polytetrafluoroethylene composite material added steel lining metal flange type tube plate so as to solve the problems in the background art.
According to the aspect of the application, a polytetrafluoroethylene adds combined material steel lining metal flange type tube sheet, including combined tube sheet, left ring flange, right ring flange and dabber, annular splice groove has been seted up inwards along its circumference to the middle part of combined tube sheet lateral surface, the spliced eye has been seted up along its radial penetration in the middle part of combined tube sheet lateral surface, the spliced eye in-hole have with the dabber of spliced eye looks adaptation, the both ends of dabber all extend beyond the opening at spliced eye both ends, splice respectively in the annular splice groove left and right sides put with left ring flange and the right ring flange of annular splice groove looks adaptation, left ring flange with right ring flange is half annular structure, just left ring flange and right ring flange can constitute a whole circular annular structure, left ring flange with semicircular groove with the outer surface looks adaptation of dabber has all been seted up to the front and back terminal surface of right ring flange.
Preferably, the central axis of the through-arranged splicing hole on the composite tube plate coincides with the splicing surface of the left flange plate and the right flange plate.
Preferably, when the mandrel is inserted into the insertion hole and the left flange plate and the right flange plate are spliced in the annular splicing groove, semicircular grooves formed in the front end face and the rear end face of the left flange plate and the right flange plate are connected with the outer surface of the mandrel in a chimeric mode, and two end faces of the mandrel are flush with the outer side face of the whole circular ring structure formed by splicing the left flange plate and the right flange plate.
Preferably, the fit connection of the mandrel and the plug hole is interference fit, and the splice connection of the left flange plate and the right flange plate and the annular splice groove is interference fit.
Preferably, the inner diameter sizes of the left flange plate and the right flange plate are consistent with the inner diameter sizes of the annular splicing grooves, and the outer diameter sizes of the left flange plate and the right flange plate are larger than the outer diameter size of the composite tube plate.
Preferably, the spliced part of the left flange plate and the right flange plate is fixedly connected in a welding mode, and the joint part of the mandrel and the left flange plate and the right flange plate is fixedly connected in a welding mode.
Preferably, the composite tube plate is made of polytetrafluoroethylene pure material and composite materials with corresponding proportions by pressing, and the composite materials are glass fibers.
Preferably, the materials of the mandrel, the left flange plate and the right flange plate are manganese steel.
This application compares with prior art's advantage lies in: according to the polytetrafluoroethylene added composite material steel lining metal flange type tube plate, the mandrel is inserted into the inserting hole, the left flange plate and the right flange plate are spliced in the annular splicing groove, then the spliced part of the left flange plate and the right flange plate and the aligned part of the mandrel and the left flange plate and the right flange plate are welded and fixed by using a welding technology, the left flange plate, the right flange plate and the mandrel are welded into a whole, and the outer lining support of the left flange plate, the right flange plate and the mandrel on the composite tube plate is completed, so that the composite tube plate can be prevented from being supported by the left flange plate, the right flange plate and the middle mandrel of the outer lining in the use process if high temperature is encountered, and the composite tube plate is prevented from being supported by the outer lining after being heated and expanded, so that the whole structure of the product is stable, and no leakage accident can occur; the polytetrafluoroethylene pure material is selected as the material of the composite tube plate, and the glass fiber with corresponding proportion is added, so that the composite tube plate has the advantages of high tensile strength, good heat resistance and excellent corrosion resistance; the manganese steel is selected as the materials of the mandrel, the left flange plate and the right flange plate, so that the outer lining support formed by the mandrel, the left flange plate and the right flange plate can bear severe working conditions such as impact, extrusion, material abrasion and the like, and the performance is stable.
Drawings
Fig. 1 is a perspective view of a polytetrafluoroethylene add-on composite steel lined metal flange tubesheet according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a polytetrafluoroethylene add-on composite steel lined metal flange tubesheet according to an embodiment of the present application.
Fig. 3 is a perspective exploded view of a polytetrafluoroethylene composite steel lined metal flange tubesheet according to an embodiment of the present application.
Reference numerals: 1. a left flange plate; 2. a right flange; 3. a composite tube sheet; 4. a mandrel; 5. an annular splicing groove; 6. a plug hole; 7. a semicircular groove.
Detailed Description
In order to make the content of the present application easier to be clearly understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, a polytetrafluoroethylene adds combined material steel lining metal flange type tube sheet, including combined tube sheet 3, left side ring flange 1, right side ring flange 2 and dabber 4, annular splice groove 5 has been seted up inwards along its circumference to the middle part of combined tube sheet 3 lateral surface, spliced eye 6 has been seted up along its radial penetration in the middle part of combined tube sheet 3 lateral surface, the dabber 4 with spliced eye 6 looks adaptation has been inserted in spliced eye 6, the both ends of dabber 4 all extend beyond spliced eye 6 both ends opening, left and right sides in the annular splice groove 5 splice respectively have been put with annular splice groove 5 looks adaptation left ring flange 1 and right ring flange 2, left side ring flange 1 and right ring flange 2 are semi-annular structure, and left side ring flange 1 and right ring flange 2 can constitute a whole annular structure, and the internal diameter size of left side ring flange 1 and right ring flange 2 is identical with annular splice groove 5's internal diameter size, the external diameter size of left side ring flange 1 and right ring flange 2 is greater than the external diameter size of combined tube sheet 3 looks adaptation, left side ring flange 1 and right ring flange 2's front end face and rear end face are equipped with semi-circular recess 7 looks adaptation surface 7.
Specifically, the annular splicing groove 5 is formed by turning on the outer circle of the composite tube plate 3, the insertion hole 6 is formed by radially drilling the side surface of the composite tube plate 3, and the left flange plate 1 and the right flange plate 2 are formed by cutting the machined whole annular flange plate into two parts along the middle direction by using a linear cutting technology.
Specifically, in combination with fig. 1, the central axis of the through-hole 6 formed on the composite tube plate 3 coincides with the splicing surfaces of the left flange plate 1 and the right flange plate 2, and when the mandrel 4 is inserted into the splicing hole 6 and the left flange plate 1 and the right flange plate 2 are all spliced in the annular splicing groove 5, the semicircular grooves 7 formed on the front end surface and the rear end surface of the left flange plate 1 and the right flange plate 2 are all connected with the outer surface of the mandrel 4 in a jogged manner, and the two end surfaces of the mandrel 4 are flush with the outer side surface of the whole annular structure formed by splicing the left flange plate 1 and the right flange plate 2.
In this design, through inserting dabber 4 in spliced eye 6 and with left flange dish 1 and right flange dish 2 all splice locate annular splice groove 5 in, then use welding technique with the concatenation department of left flange dish 1 and right flange dish 2 and dabber 4 and the alignment department welded connection of left flange dish 1 and right flange dish 2, make left and right flange dish 2 and dabber 4 welded into a whole, accomplish left and right flange dish 2 and dabber 4 and support the outer lining of compound tube sheet 3, thereby make this application if meet the high temperature in the use, the left and right flange dish 2 of outer lining plays the supporting role with middle dabber 4 to compound tube sheet 3, can prevent compound tube sheet 3 has the external support after thermal expansion, make product overall structure stable, so that can not take place the leakage accident.
Specifically, the composite tube plate 3 is made of polytetrafluoroethylene pure material added with composite materials with corresponding proportion through pressing, and the composite materials are preferably glass fibers, in the design, the composite tube plate 3 is made of polytetrafluoroethylene pure material added with glass fibers with corresponding proportion through matching, so that the aim of optimizing the material is fulfilled, and when the glass fibers are used as reinforcing materials for reinforcing polytetrafluoroethylene, the glass fibers are characterized by large tensile strength, good heat resistance and excellent corrosion resistance, so that the composite tube plate 3 has the advantages of large tensile strength, good heat resistance and excellent corrosion resistance.
Specifically, the materials of the mandrel 4, the left flange plate 1 and the right flange plate 2 are all manganese steel, the mandrel 4, the left flange plate 1 and the right flange plate 2 are made of manganese steel in the design, the manganese steel is a high-strength steel material and is mainly used for bearing severe working conditions such as impact, extrusion and material abrasion, the damage form mainly comprises abrasion consumption, the performance is stable, and therefore the outer lining support formed by the mandrel 4, the left flange plate 1 and the right flange plate 2 can bear the severe working conditions such as impact, extrusion and material abrasion, and the performance is stable.
Working principle: firstly pressing a composite tube plate 3 of polytetrafluoroethylene and glass fiber in equal proportion, then turning the outer circle of the pressed and sintered composite tube plate 3 to form an annular splicing groove 5, radially drilling the side surface of the composite tube plate 3 to form an inserting hole 6, then machining a whole circular manganese steel flange plate to match with the inner diameter of the turned annular splicing groove, then linearly cutting the machined whole circular manganese steel flange plate into a left flange plate 1 and a right flange plate 2 along the middle direction by using a linear cutting technology, splicing the left flange plate 1 and the right flange plate 2 in the annular splicing groove 5, inserting a manganese steel mandrel 4 into the inserting hole 6, enabling the two end surfaces of the mandrel 4 to be flush with the outer side surfaces of the left flange plate 2, then welding and fixing the spliced parts of the left flange plate 1 and the right flange plate 2 and the aligned parts of the mandrel 4 and the left flange plate 1 and the right flange plate 2 by using a welding technology, welding the left flange plate 1, the right flange plate 2 and the mandrel 4 into a whole, finishing the positions of the left flange plate 1, the right flange plate 2 and the mandrel plate 2 and the composite tube plate 3, and finishing the outer side support welding of the left flange plate and the flat, and polishing the positions.
The above embodiments are merely for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto. Although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents substituted for elements thereof without departing from the spirit and scope of the utility model as defined in the claims.
Claims (8)
1. The utility model provides a polytetrafluoroethylene adds combined material steel lining metal flange formula tube sheet, includes combined tube sheet (3), left flange dish (1), right flange dish (2) and dabber (4), its characterized in that, annular splice groove (5) have been seted up inwards along its circumference to the middle part of combined tube sheet (3) lateral surface, spliced eye (6) have been seted up along its radial penetration in the middle part of combined tube sheet (3) lateral surface, spliced eye (6) interpolation have with dabber (4) of spliced eye (6) looks adaptation, the both ends of dabber (4) all extend beyond spliced eye (6) both ends opening, left and right sides splice respectively in annular splice groove (5) have with left flange dish (1) and right flange dish (2) of annular splice groove (5) looks adaptation, left flange dish (1) with right flange dish (2) are semi-circular structure, just left side flange dish (1) and right flange dish (2) can constitute a whole circular structure, left side flange dish (1) and right flange dish (2) all have the outer surface (7) of opening of dabber (7) looks adaptation.
2. The polytetrafluoroethylene composite material added steel lining metal flange type tube plate according to claim 1, wherein the central axis of the inserting hole (6) penetrating through the composite tube plate (3) coincides with the splicing surface of the left flange plate (1) and the right flange plate (2).
3. The polytetrafluoroethylene composite material steel lining metal flange type tube plate according to claim 2, wherein when the mandrel (4) is inserted into the insertion hole (6) and the left flange plate (1) and the right flange plate (2) are spliced in the annular splicing groove (5), semicircular grooves (7) formed in the front end face and the rear end face of the left flange plate (1) and the right flange plate (2) are connected with the outer surface of the mandrel (4) in a jogged mode, and the two end faces of the mandrel (4) are flush with the outer side face of a full-circle structure formed by splicing the left flange plate (1) and the right flange plate (2).
4. A polytetrafluoroethylene composite material steel lining metal flange type tube plate according to claim 3, wherein the fit connection of the mandrel (4) and the plug hole (6) is interference fit, and the splice connection of the left flange plate (1) and the right flange plate (2) and the annular splice groove (5) is interference fit.
5. A polytetrafluoroethylene composite material steel lined metal flange type tube sheet according to claim 3, wherein the inner diameter dimensions of the left flange plate (1) and the right flange plate (2) are consistent with the inner diameter dimensions of the annular splicing groove (5), and the outer diameter dimensions of the left flange plate (1) and the right flange plate (2) are larger than the outer diameter dimensions of the composite tube sheet (3).
6. A polytetrafluoroethylene composite material steel lining metal flange type tube plate according to claim 3, wherein the joint of the left flange plate (1) and the right flange plate (2) is fixedly connected in a welding manner, and the joint of the mandrel (4) and the left flange plate (1) and the right flange plate (2) is fixedly connected in a welding manner.
7. The polytetrafluoroethylene composite material steel lining metal flange type tube plate according to claim 1, wherein the composite tube plate (3) is made of polytetrafluoroethylene pure material added with composite materials in corresponding proportion through pressing, and the composite materials are glass fibers.
8. The polytetrafluoroethylene composite material steel lining metal flange type tube plate according to claim 1, wherein manganese steel is adopted as materials of the mandrel (4), the left flange plate (1) and the right flange plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320124338.2U CN219284073U (en) | 2023-01-17 | 2023-01-17 | Metal flange type tube plate with polytetrafluoroethylene added composite material steel lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320124338.2U CN219284073U (en) | 2023-01-17 | 2023-01-17 | Metal flange type tube plate with polytetrafluoroethylene added composite material steel lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284073U true CN219284073U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320124338.2U Active CN219284073U (en) | 2023-01-17 | 2023-01-17 | Metal flange type tube plate with polytetrafluoroethylene added composite material steel lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284073U (en) |
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2023
- 2023-01-17 CN CN202320124338.2U patent/CN219284073U/en active Active
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