CN210426234U - Sealing connection structure for tubular heat exchanger - Google Patents
Sealing connection structure for tubular heat exchanger Download PDFInfo
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- CN210426234U CN210426234U CN201921254640.XU CN201921254640U CN210426234U CN 210426234 U CN210426234 U CN 210426234U CN 201921254640 U CN201921254640 U CN 201921254640U CN 210426234 U CN210426234 U CN 210426234U
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Abstract
The utility model discloses a sealing connection structure for tubular heat exchanger, which comprises an outer shell, tube sheet and pipe case, the both ends of shell all are fixed with the tube sheet, and all be fixed with pipe case on the tube sheet, the tube sheet is by the otter board frame, net tube sheet and seal structure are constituteed, the one end welding of otter board frame is at the tip of shell, and the otter board frame erects the cross sectional shape and be ring shape, the inside of otter board frame is fixed with the net management board, and one side of keeping away from the shell on the outside periphery of otter board frame is fixed with sealed limit ring, the cover is equipped with seal structure on the outside periphery of otter board frame, and first screw has been seted up. The utility model discloses can be through setting up sealing connection structure between pipe case and tube sheet, conveniently improve tubular heat exchanger's leakproofness, reduce thermal scattering and disappearing, improve the effect of heat conversion.
Description
Technical Field
The utility model relates to a tubular radiator technical field especially relates to a sealing connection structure for tubular heat exchanger.
Background
The tubular heat exchanger is widely applied in industrial production, wherein the tubular heat exchanger occupies a place in the heat exchange field by the characteristics of simple structure, high heat transfer coefficient and heat exchange efficiency, convenience in later use, capability of quickly increasing a heat exchange section according to process requirements and the like, but the two ends of the shell of the existing tubular heat exchanger are provided with the tube plates, the tube plates are connected with the tube boxes, the existing tube boxes are connected with the tube plates through the arranged flange plates so as to be convenient to disassemble and clean, meanwhile, the problem of sealing performance is also caused, because the installation gaps exist between the tube plates and the tube boxes after the tube plates are connected through the flange plates, the sealing performance is poor, fluid containing heat enters the tube boxes, heat is accumulated in the tube boxes due to shunting of the tube plates, and the heat is dissipated from the installation gaps of the tube plates and the tube boxes to influence.
Therefore, a sealing connection structure for a tubular heat exchanger is needed, which can conveniently improve the sealing performance of the tubular heat exchanger, reduce the loss of heat and improve the heat conversion effect by arranging the sealing connection structure between the tube box and the tube plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sealing connection structure for tubular heat exchanger aims at improving and is connected through the ring flange that sets up between current tubular heat exchanger pipe case and the tube sheet, has the installation gap between tube sheet and the pipe case, and the leakproofness is not good, and the heat scatters and disappears the problem that influences the heat transfer effect of heat exchanger from the installation gap of tube sheet and pipe case.
The utility model discloses a realize like this: a sealing connection structure for a tubular heat exchanger comprises a shell, tube plates and tube boxes, wherein the tube plates are fixed at two ends of the shell, the tube plates are fixed on the tube plates, the tube plates comprise a screen plate frame, a screen plate and a sealing structure, one end of the screen plate frame is welded at the end part of the shell, the vertical section of the screen plate frame is in a circular ring shape, the screen plate is fixed inside the screen plate frame, a sealing edge ring is fixed on one side, away from the shell, of the outer circumferential surface of the screen plate frame, the sealing structure is sleeved on the outer circumferential surface of the screen plate frame, first screw holes are uniformly and symmetrically formed in the outer circumferential surface of the screen plate frame, the tube boxes comprise tube boxes and fixing ring sleeves, one end of each tube box is fixed with a fixing ring sleeve, the fixing ring sleeves are arranged on the screen plate frame, second screw holes matched with the first screw holes are symmetrically formed in the outer circumferential surface of the fixing ring sleeves, and the bottom end of the fixing screw penetrates through the sealing structure and is connected in the first screw hole.
Furthermore, the sealing structure comprises an inner ring, a connecting ring and an outer ring, wherein the connecting ring is fixed on the outer circumferential surface of the inner ring, the outer ring is fixed on the outer circumferential surface of the connecting ring, and the outer diameter of the outer ring is the same as the inner diameter of the fixed ring sleeve.
And then through being fixed with the go-between on the outer periphery of inner ring, be fixed with the outer loop on the outer periphery of go-between, through inner ring, go-between and outer loop overlapping connection, make the height of seal structure equal to the clearance between the inside screen plate frame of pipe case, improve the inseparability of the inside screen plate frame connection of pipe case.
Furthermore, rubber ring strips are bonded on the inner circumferential surface of the inner ring and the outer circumferential surface of the outer ring, and fixing through holes are symmetrically penetrated on the circumferential surfaces of the inner ring and the outer ring.
And then all bond rubber ring strip on the inside periphery through the inner ring and on the outside periphery of outer loop, be convenient for shutoff seal structure and the pipe case and the gap between the otter board frame, improve the leakproofness of connecting, all link up symmetrically on the periphery of inner ring and outer loop simultaneously and have fixed through-hole, be convenient for cooperate set screw to pass, make things convenient for fixed pipe case and otter board frame.
Furthermore, a first groove is formed in the outer circumferential surface of the net plate frame, and the first groove is matched with the rubber ring strips on the inner circumferential surface of the inner ring.
And then through mutually supporting between the rubber ring strip on the first recess on the outside periphery of net sheet frame and the inside periphery of inner ring, improve the connection compactness between net sheet frame and the seal structure.
Furthermore, a second groove is formed in the inner circumferential surface of the fixing ring sleeve, the second groove is matched with the rubber ring strip on the circumferential surface of the outer ring, and a wind blocking ring is fixed at one end, close to the pipe box barrel, of the fixing ring sleeve.
And then seted up the second recess on the inside periphery through the fixed ring cover, and the rubber ring strip on second recess and the outer loop periphery is mutually supported, improves the connection compactness between pipe case and the seal structure, and the fixed ring cover is close to the one end rigid top of a pipe case section of thick bamboo and is had the wind-break ring simultaneously, can cooperate between the sealed limit ring to compress tightly the installation through the rubber ring pad and effectively block the heat and scatter and disappear through the gap between fixed ring cover and the sealed limit ring and lead to the leakproofness not tight.
Furthermore, the outer diameter of the sealing edge ring is the same as the inner diameter of the fixed ring sleeve, and a rubber ring gasket is bonded on one end face of the sealing edge ring close to the tube box.
And then bond on the terminal surface that is close to the pipe case through sealed limit ring and have the rubber ring pad, compress tightly the installation through the rubber ring pad between the cooperation sealed limit ring and effectively block the heat and lose through the gap between fixed ring cover and the sealed limit ring and lead to the leakproofness not tight.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an all install the tube sheet at the both ends of shell, through fixing the one end of otter board frame in the tube sheet at the tip of shell, the inside of otter board frame is fixed with the otter board that vertical cross-section is circular, the internal diameter of otter board frame is the same with the internal diameter of shell, and the external diameter of otter board frame is greater than the external diameter of shell, conveniently utilize the otter board frame that is greater than the casing to install and use the pipe case, overlap the fixed ring cover that establishes pipe case and pipe case section of thick bamboo and be connected on the otter board frame simultaneously, pass through set screw fixed connection between fixed ring cover and the otter board frame, the one side of keeping away from the shell on the external periphery of otter board frame is fixed with the sealing limit ring, the external diameter of sealing limit ring is the same with the internal diameter of fixed ring cover, conveniently overlap the fixed ring cover, install through the rubber ring pad compresses tightly between fixed ring cover wind-blocking, and the outer circumferential surface of the screen frame is sleeved with a sealing structure, sealing is conveniently established between the inside of the fixed ring sleeve and the outside of the screen frame through the sealing structure, the tightness of the connection between the tube plate and the tube box is further improved, meanwhile, the outer circumferential surface of the screen frame is uniformly and symmetrically provided with first screw holes, the outer circumferential surface of the fixed ring sleeve is symmetrically provided with second screw holes matched with the first screw holes, and all fixing screws are arranged in the second screw holes, the bottom ends of the fixing screws penetrate through the sealing structure to be connected in the first screw holes, the screen frame and the fixed ring sleeve are locked and connected through the sealing structure by penetrating through the fixing screws, the tightness of compression is improved by extruding rubber ring strips between an outer ring and an inner ring in the sealing structure and between the screen frame and the fixed ring sleeve, meanwhile, the tube box and the tube plate are fixedly connected, and, reduce the heat loss and improve the heat conversion effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is an exploded view of the tube box according to the embodiment of the present invention;
fig. 4 is a schematic diagram of an explosive structure of a tube sheet in an embodiment of the present invention;
FIG. 5 is a schematic view of an exploded structure of a screen frame in an embodiment of the present invention;
fig. 6 is an explosion structure diagram of the sealing structure in the embodiment of the present invention.
In the figure: 1. a housing; 2. a tube sheet; 21. a screen frame; 211. sealing the edge ring; 212. A rubber ring pad; 213. a first groove; 214. a first screw hole; 22. a mesh tube plate; 23. A sealing structure; 231. an inner ring; 232. a connecting ring; 233. an outer ring; 234. a rubber ring strip; 235. a fixing through hole; 3. a pipe box; 31. a tube box cylinder; 32. fixing the loop; 33. a wind-shield ring; 34. a second groove; 35. a second screw hole; 4. and fixing the screw.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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, 2, 3, 4, 5 and 6, a sealing connection structure for a tubular heat exchanger includes a housing 1, a tube plate 2 and a tube box 3, the tube plate 2 is fixed at both ends of the housing 1, the tube box 3 is fixed on the tube plate 2, the tube plate 2 is composed of a mesh plate frame 21, a mesh plate 22 and a sealing structure 23, one end of the mesh plate frame 21 is welded at the end of the housing 1, the vertical section of the mesh plate frame 21 is circular, the mesh plate 22 is fixed inside the mesh plate frame 21, a sealing edge ring 211 is fixed on one side of the outer circumferential surface of the mesh plate frame 21 far from the housing 1, the sealing structure 23 is sleeved on the outer circumferential surface of the mesh plate frame 21, first screw holes 214 are uniformly and symmetrically formed on the outer circumferential surface of the mesh plate frame 21, the tube box 3 is composed of a tube box 31 and a fixing ring sleeve 32, and a fixing ring sleeve 32 is fixed at one end of the tube box 31, the fixing ring sleeve 32 is sleeved on the net plate frame 21, second screw holes 35 matched with the first screw holes 214 are symmetrically formed in the outer circumferential surface of the fixing ring sleeve 32, fixing screws 4 are installed in the second screw holes 35, and the bottom ends of the fixing screws 4 penetrate through the sealing structure 23 and are connected into the first screw holes 214.
Furthermore, the tube plates 2 are respectively arranged at the two ends of the shell 1, one end of a screen frame 21 in the tube plates 2 is fixed at the end part of the shell 1, a network tube plate 22 with a circular vertical section is fixed in the screen frame 21, the inner diameter of the screen frame 21 is the same as that of the shell 1, the outer diameter of the screen frame 21 is larger than that of the shell 1, the screen frame 21 larger than the shell 1 is convenient to install and use a tube box 3, a fixed ring sleeve 32 connected with the tube box 3 and the tube box 31 is sleeved on the screen frame 21, the fixed ring sleeve 32 is fixedly connected with the screen frame 21 through a fixing screw 4, a sealing edge ring 211 is fixed on one side, far away from the shell 1, of the outer circumferential surface of the screen frame 21, the outer diameter of the sealing edge ring 211 is the same as that of the fixed ring sleeve 32, the fixed ring sleeve 32 is convenient to sleeve, and meanwhile, a wind blocking ring 33 of the fixed ring sleeve 32 and the sealing edge ring 211 are tightly pressed and installed through a rubber ring gasket 212 to effectively block heat The tightness is not tight, the sealing structure 23 is sleeved on the outer circumferential surface of the screen frame 21, the sealing structure 23 is convenient for establishing sealing between the inside of the fixed ring sleeve 32 and the outside of the screen frame 21, the tightness of the connection between the tube plate 2 and the tube box 3 is further improved, meanwhile, the outer circumferential surface of the screen frame 21 is uniformly and symmetrically provided with first screw holes 214, the outer circumferential surface of the fixed ring sleeve 32 is symmetrically provided with second screw holes 35 matched with the first screw holes 214, the second screw holes 35 are internally provided with fixing screws 4, the bottom ends of the fixing screws 4 penetrate through the sealing structure 23 and are connected in the first screw holes 214, the screen frame 21 and the fixed ring sleeve 32 are tightly locked through the sealing structure 23 by the fixing screws 4, the outer rings and 233 inner rings 231 in the sealing structure 23 are extruded, and the rubber ring strips 234 between the screen frame 21 and the fixed ring sleeve 32 improve the compaction tightness, and the tube box 3 and the tube, the sealing connection structure is arranged between the tube box and the tube plate, so that the sealing performance of the tube type heat exchanger is conveniently improved, the heat loss is reduced, and the heat conversion effect is improved.
Referring to fig. 6, the sealing structure 23 includes an inner ring 231, a connection ring 232, and an outer ring 233, the connection ring 232 is fixed on the outer circumferential surface of the inner ring 231, the outer ring 233 is fixed on the outer circumferential surface of the connection ring 232, and the outer ring 233 has the same outer diameter as the inner diameter of the fixed ring sleeve 32.
Furthermore, the inner ring 231, the connecting ring 232 and the outer ring 233 are fixed on the outer circumferential surface of the inner ring 231, and the inner ring 231, the connecting ring 232 and the outer ring 233 are connected in an overlapping manner, so that the height of the sealing structure 23 is equal to the gap between the inside of the tube box 3 and the screen frame 21, and the connection tightness between the inside of the tube box 3 and the screen frame 21 is improved.
Referring to fig. 6, rubber ring strips 234 are adhered to the inner circumferential surface of the inner ring 231 and the outer circumferential surface of the outer ring 233, and fixing through holes 235 are symmetrically penetrated through the circumferential surfaces of the inner ring 231 and the outer ring 233.
Furthermore, rubber ring strips 234 are bonded on the inner circumferential surface of the inner ring 231 and the outer circumferential surface of the outer ring 233, gaps between the sealing structure 23 and the tube box 3 and the screen frame 21 are convenient to block, the connection sealing performance is improved, meanwhile, fixing through holes 235 are symmetrically arranged on the circumferential surfaces of the inner ring 231 and the outer ring 233 in a penetrating mode, the inner ring 231 and the outer ring 233 are convenient to match with fixing screws 4 to penetrate through, and the tube box 3 and the screen frame 21 are convenient to fix.
Referring to fig. 3 and 6, a first groove 213 is formed on the outer circumferential surface of the mesh plate frame 21, and the first groove 213 is matched with the rubber ring strip 234 on the inner circumferential surface of the inner ring 231.
Furthermore, the first groove 213 on the outer circumferential surface of the screen frame 21 is matched with the rubber ring strip 234 on the inner circumferential surface of the inner ring 231, so that the connection tightness between the screen frame 21 and the sealing structure 23 is improved.
Referring to fig. 5 and 6, the inner circumferential surface of the fixed ring sleeve 32 is provided with a second groove 34, the second groove 34 is matched with the rubber ring strip 234 on the circumferential surface of the outer ring 233, and one end of the fixed ring sleeve 32 close to the pipe box barrel 31 is fixed with a wind-blocking ring 33.
Furthermore, the second groove 34 is formed in the inner circumferential surface of the fixed ring sleeve 32, the second groove 34 is matched with the rubber ring strip 234 on the circumferential surface of the outer ring 233, the connection tightness between the tube box 3 and the sealing structure 23 is improved, and meanwhile, the wind blocking ring 33 is fixedly supported at one end, close to the tube box barrel 31, of the fixed ring sleeve 32, and can be matched with the sealing side rings 211 to be tightly pressed and installed through the rubber ring gaskets 212, so that heat can be effectively prevented from dissipating through gaps between the fixed ring sleeve 32 and the sealing side rings 211, and the tightness is not tight.
Referring to fig. 2 and 5, the outer diameter of the sealing edge ring 211 is the same as the inner diameter of the fixing ring sleeve 32, and a rubber ring pad 212 is adhered to an end surface of the sealing edge ring 211 close to the tube box 3.
And then through bonding the rubber ring pad 212 on the sealing edge ring 211 is close to the terminal surface of pipe case 3, compress tightly the installation through rubber ring pad 212 between the cooperation sealing edge ring 211 and effectively block the heat and lose through the gap between fixed ring cover 32 and the sealing edge ring 211 and lead to the leakproofness not tight.
The device obtained by the design can basically meet the requirement of the use of the sealing connection structure for the tubular heat exchanger, which can conveniently improve the sealing property of the tubular heat exchanger, reduce the loss of heat and improve the heat conversion effect by arranging the sealing connection structure between the tube box and the tube plate, but the designer further improves the device on the basis of further improving the function of the tubular heat exchanger.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (6)
1. The utility model provides a tubular heat exchanger is with sealing connection structure, includes shell (1), tube sheet (2) and case (3), its characterized in that: the improved structure of the screen plate is characterized in that tube plates (2) are fixed at two ends of the shell (1), tube boxes (3) are fixed on the tube plates (2), the tube plates (2) are composed of screen plate frames (21), screen plate plates (22) and sealing structures (23), one ends of the screen plate frames (21) are welded at the end portions of the shell (1), the vertical section shapes of the screen plate frames (21) are circular, the screen plate plates (22) are fixed inside the screen plate frames (21), one sides, far away from the shell (1), of the external circumferential surfaces of the screen plate frames (21) are fixed with sealing edge rings (211), the sealing structures (23) are sleeved on the external circumferential surfaces of the screen plate frames (21), first screw holes (214) are uniformly and symmetrically formed in the external circumferential surfaces of the screen plate frames (21), the tube boxes (3) are composed of tube box sleeves (31) and fixing ring sleeves (32), and one ends of the tube boxes (31) are fixed with fixing ring sleeves (32), fixed ring cover (32) cover is established on net plate frame (21), and the outside periphery of fixed ring cover (32) is gone up the symmetry and is seted up second screw (35) with first screw (214) matched with, all install set screw (4) in second screw (35), and seal structure (23) connection is passed in first screw (214) in the bottom of set screw (4).
2. The sealing connection structure for a tube heat exchanger according to claim 1, wherein the sealing structure (23) comprises an inner ring (231), a connection ring (232), and an outer ring (233), the connection ring (232) is fixed on an outer circumferential surface of the inner ring (231), the outer ring (233) is fixed on an outer circumferential surface of the connection ring (232), and an outer diameter of the outer ring (233) is the same as an inner diameter of the fixing collar (32).
3. The sealing connection structure for the tube heat exchanger according to claim 2, wherein rubber ring strips (234) are bonded to the inner circumferential surface of the inner ring (231) and the outer circumferential surface of the outer ring (233), and fixing through holes (235) are symmetrically arranged on the circumferential surfaces of the inner ring (231) and the outer ring (233).
4. The sealing connection structure for the tube heat exchanger according to claim 3, wherein the mesh plate frame (21) is provided with a first groove (213) on the outer circumferential surface thereof, and the first groove (213) is engaged with the rubber ring strip (234) on the inner circumferential surface of the inner ring (231).
5. The sealing and connecting structure for the tube heat exchanger as claimed in claim 4, wherein the fixing ring sleeve (32) has a second groove (34) formed on the inner circumferential surface thereof, the second groove (34) is engaged with the rubber ring strip (234) formed on the circumferential surface of the outer ring (233), and the wind-blocking ring (33) is fixed on the end of the fixing ring sleeve (32) close to the tube box cylinder (31).
6. The sealing and connecting structure for the tube heat exchanger as claimed in claim 5, wherein the outer diameter of the sealing edge ring (211) is the same as the inner diameter of the fixing ring sleeve (32), and a rubber ring gasket (212) is adhered to an end surface of the sealing edge ring (211) near the tube box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921254640.XU CN210426234U (en) | 2019-08-05 | 2019-08-05 | Sealing connection structure for tubular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921254640.XU CN210426234U (en) | 2019-08-05 | 2019-08-05 | Sealing connection structure for tubular heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN210426234U true CN210426234U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921254640.XU Active CN210426234U (en) | 2019-08-05 | 2019-08-05 | Sealing connection structure for tubular heat exchanger |
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| CN (1) | CN210426234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414176A (en) * | 2022-03-30 | 2022-04-29 | 风凯换热器制造(常州)有限公司 | Processing method and leakage detection method for double-layer conveying pipeline |
-
2019
- 2019-08-05 CN CN201921254640.XU patent/CN210426234U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414176A (en) * | 2022-03-30 | 2022-04-29 | 风凯换热器制造(常州)有限公司 | Processing method and leakage detection method for double-layer conveying pipeline |
| CN114414176B (en) * | 2022-03-30 | 2022-06-03 | 风凯换热器制造(常州)有限公司 | Processing method and leakage detection method for double-layer conveying pipeline |
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