CN221444943U - Longitudinal partition plate sealing structure of double-shell-pass heat exchanger - Google Patents
Longitudinal partition plate sealing structure of double-shell-pass heat exchanger Download PDFInfo
- Publication number
- CN221444943U CN221444943U CN202323130975.XU CN202323130975U CN221444943U CN 221444943 U CN221444943 U CN 221444943U CN 202323130975 U CN202323130975 U CN 202323130975U CN 221444943 U CN221444943 U CN 221444943U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- placing groove
- heat exchanger
- longitudinal baffle
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 238000005192 partition Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 238000003466 welding Methods 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a longitudinal baffle sealing structure of a double-shell heat exchanger, which belongs to the technical field of heat exchangers and comprises a heat exchanger shell and a longitudinal baffle arranged in the heat exchanger shell; the steel sheet fixing piece is in an arch shape, and is provided with a first placing groove and second placing grooves arranged on two sides of the first placing groove, and the openings of the first placing groove and the second placing groove face opposite directions; a sealing steel sheet group is arranged in the second placing groove; the longitudinal partition plate is arranged in the first placing groove; the end face of the closed end of the first placing groove protrudes out of the second placing groove, protrusions are arranged on two sides of the closed end of the first placing groove, and the top ends of the protrusions are higher than the side wall, close to the first placing groove, of the second placing groove; the utility model can be conveniently installed and disassembled, reduces the use of the tool and improves the installation efficiency.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a longitudinal baffle sealing structure of a double-shell-pass heat exchanger.
Background
In the heat exchanger, the shell side of the heat exchanger is divided into two passes by the longitudinal partition plate, namely the double-shell-side heat exchanger, and in order to ensure the installation, a gap is reserved between the longitudinal partition plate and the shell side cylinder body, and the gap can increase leakage flow and reduce heat exchange efficiency, so that the longitudinal partition plate and the shell side cylinder body need to be sealed to reduce leakage flow and improve heat exchange efficiency.
The design scheme that current is commonly used is to use multilayer steel sheet, compress tightly the strip, fastens the steel sheet on vertical baffle through a large amount of bolts and nuts, and this structure needs to open a large amount of bolt holes with vertical baffle, compress tightly strip, steel sheet sealing strip, and because space restriction, the specification of fastener is less, needs to spend a large amount of manpowers in the time of the installation.
The Chinese patent with the patent number of CN201520865635.8 discloses a longitudinal baffle plate sealing structure of a double-shell-pass heat exchanger, which adopts a W-shaped sealing pressing strip, an elastic sealing sheet and rivets to solve the problem that the conventional common structure adopts a large number of bolts. However, the elastic sealing piece still has the problems that the installation of the elastic sealing piece is difficult, the deformation degree is not easy to control, the installation is needed by means of a tool, the elastic sealing piece is easy to fall off when the elastic sealing piece is detached, and the like.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of utility model
In order to solve the technical problems or at least partially solve the technical problems, the utility model provides a longitudinal baffle sealing structure of a double-shell heat exchanger, which can be conveniently installed and disassembled, reduces the use of tools and improves the installation efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme: a double-shell heat exchanger longitudinal baffle sealing structure comprises a heat exchanger shell and a longitudinal baffle arranged in the heat exchanger shell; the steel sheet fixing piece is in an arch shape, and is provided with a first placing groove and second placing grooves arranged on two sides of the first placing groove, and the openings of the first placing groove and the second placing groove face opposite directions; a sealing steel sheet group is arranged in the second placing groove; the longitudinal partition plate is arranged in the first placing groove;
The blind end terminal surface of first standing groove stands proud in the second standing groove, just the blind end both sides of first standing groove are equipped with the arch, and bellied top is higher than the lateral wall that the second standing groove is close to first standing groove.
Further, the height of the protrusions gradually decreases in a direction away from the inner wall of the heat exchanger shell; the protrusions are formed with inclined surfaces or cambered surfaces.
Further, the steel sheet fixing piece, the sealing steel sheet group and the two ends of the longitudinal partition plate are respectively connected and fixed through a bolt.
Further, the sealing steel sheet group and the steel sheet fixing piece are integrally connected in a pressure welding mode.
Further, baffle plates are arranged on two sides of the longitudinal baffle plate, and a notch is formed in the position, close to the inner wall of the heat exchanger shell, of the baffle plates.
Further, the pressure welding seams are arranged in a plurality of sections, the pressure welding seams in the plurality of sections are uniformly arranged at intervals along the length direction of the steel sheet fixing piece, and the distance between two adjacent pressure welding seams is 300mm.
Further, the steel sheet fixing member is consistent with the longitudinal partition in length.
Further, bolt holes penetrating through the steel sheet fixing piece, the sealing steel sheet group and the longitudinal partition plate are formed in positions corresponding to the two ends of the steel sheet fixing piece, the sealing steel sheet group and the longitudinal partition plate.
Further, the sealing steel sheet group is formed by stacking 3-5 sealing steel sheets; the thickness of the sealing steel sheet is 0.2-0.5mm.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
According to the utility model, the closed end of the first placing groove of the steel sheet fixing piece protrudes out of the opening of the first placing groove, the two sides of the closed end of the first placing groove are provided with the protrusions, and the tops of the protrusions are higher than the side wall of the second placing groove, which is close to the first placing groove, so that the sealing steel sheet group is bent with a certain curvature during installation, the installation and the disassembly are convenient, the use of a tool is reduced, and the installation efficiency is improved.
According to the utility model, the steel sheet fixing piece, the sealing steel sheet group and the two ends of the longitudinal partition plate are respectively connected and fixed by bolts, so that the relative fixation of the sealing steel sheet and the partition plate during disassembly is ensured; the gap on the baffle plate is tightly pressed with the steel sheet fixing piece in a matched mode, so that the pressure of the baffle plate and the steel sheet mounting piece is enhanced, and the leakage risk of a medium from the contact surface of the baffle plate and the steel sheet fixing piece is reduced.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the structure of a steel sheet fixture;
FIG. 3 is a schematic view of a baffle.
In the drawing the view of the figure,
The heat exchanger comprises a 1-heat exchanger shell, a 2-longitudinal baffle plate, 3-sealing steel sheets, 4-steel sheet fixing pieces, 41-first placing grooves, 42-second placing grooves, 5-baffle plates, 6-bolts, 7-protrusions and 8-notches.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
Examples
As shown in fig. 1-3 together, the utility model provides a longitudinal baffle sealing structure of a double-shell-pass heat exchanger, which comprises a heat exchanger shell 1 and a longitudinal baffle 2, wherein the longitudinal baffle 2 is arranged in the shell 1 to divide the shell 1 into two shell passes.
The sealing structure further comprises a steel sheet fixing piece 4, wherein the length of the steel sheet fixing piece 4 is consistent with that of the longitudinal partition plate 2; the steel sheet fixing piece 4 is in an arc shape, the steel sheet fixing piece 4 is provided with a first placing groove 41, two sides of the first placing groove 41 are respectively provided with a second placing groove 42, and the openings of the first placing groove 41 and the second placing groove 42 face opposite directions; each second placement groove 42 is provided with a sealing steel sheet group; the longitudinal partition 2 is mounted in the first receiving groove 41.
The blind end terminal surface of first standing groove 41 stands proud in second standing groove 42, just the blind end both sides of first standing groove 41 are equipped with protruding 7, and protruding 7's top is higher than the lateral wall that second standing groove 42 is close to first standing groove 41 for sealed steel sheet group forms the bending of certain camber when the installation, and the installation of being convenient for need not outside frock and assisted, and increased one deck guard action for sealed steel sheet group in the follow-up use, make it guarantee certain clamp force.
Further, the height of the protrusions 7 gradually decreases in a direction away from the inner wall of the heat exchanger housing 1; the protrusions 7 are formed with inclined surfaces or cambered surfaces.
The sealing steel sheet group and the steel sheet fixing piece 4 are integrally connected in a pressure welding mode; specifically, the press-welding seams are arranged in a plurality of sections, the press-welding seams in the plurality of sections are uniformly arranged at intervals along the length direction of the steel sheet fixing piece 4, and the distance between two adjacent press-welding seams is 300mm.
The steel sheet fixing piece 4, the sealing steel sheet group and the two ends of the longitudinal partition plate 2 are respectively connected and fixed through a bolt 6.
Further, bolt holes penetrating through the steel sheet fixing piece 4, the sealing steel sheet group and the longitudinal partition plate 2 are formed in positions corresponding to the two ends of the steel sheet fixing piece 4, the sealing steel sheet group and the longitudinal partition plate 2, so that the steel sheet fixing piece 4, the sealing steel sheet group and the longitudinal partition plate 2 can be conveniently installed and fixed.
Further, the sealing steel sheet group is formed by stacking 3-5 sealing steel sheets 3; the thickness of the sealing steel sheet 3 is 0.2-0.5mm.
Baffle plates 5 are arranged on two sides of the longitudinal baffle plates 2, a notch 8 is formed in the position, close to the inner wall of the heat exchanger shell 1, of the baffle plates 5, and the notch 8 is matched with the steel sheet fixing piece 4 to compress the sealing steel sheet group; the gap 8 can avoid interference between the baffle plate and the sealing structure during installation, and can also have a compacting effect on the sealing structure.
The working principle of the utility model is as follows:
When the heat exchanger tube bundle is installed, the sealing steel sheet group is inserted into the first placing groove 41 of the steel sheet fixing piece 4, the sealing steel sheet group and the steel sheet fixing piece are welded into a whole by adopting pressure welding to form a sealing piece, then the longitudinal baffle plate 2 is inserted into the second placing groove 42, and then bolts at two ends are installed, and nuts are matched, so that the sealing piece is firmly fixed on the longitudinal baffle plate 2. And finally, the tube bundle is pushed into the heat exchanger shell according to a conventional method, and at the moment, the sealing element is attached to the inner wall of the heat exchanger shell together due to extrusion of the heat exchanger shell 1, so that the sealing effect is achieved.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (9)
1. A double-shell heat exchanger longitudinal baffle sealing structure comprises a heat exchanger shell (1) and a longitudinal baffle (2) arranged in the heat exchanger shell (1); the steel sheet fixing device is characterized by further comprising a steel sheet fixing piece (4), wherein the steel sheet fixing piece (4) is in an arc shape, the steel sheet fixing piece (4) is provided with a first placing groove (41) and second placing grooves (42) arranged on two sides of the first placing groove (41), and the openings of the first placing groove (41) and the second placing groove (42) face opposite directions; a sealing steel sheet group is arranged in the second placing groove (42); the longitudinal partition plate (2) is arranged in the first placing groove (41);
The end face of the closed end of the first placing groove (41) protrudes out of the second placing groove (42), protrusions (7) are arranged on two sides of the closed end of the first placing groove (41), and the top ends of the protrusions (7) are higher than the side wall, close to the first placing groove (41), of the second placing groove (42).
2. A double shell pass heat exchanger longitudinal baffle seal according to claim 1, wherein the height of the protrusions (7) decreases gradually in a direction away from the inner wall of the heat exchanger shell (1); the protrusions (7) are formed with inclined surfaces or cambered surfaces.
3. A double shell pass heat exchanger longitudinal baffle sealing structure according to claim 1 wherein the steel sheet fixing member (4), the sealing steel sheet group and the two ends of the longitudinal baffle (2) are respectively connected and fixed by a bolt (6).
4. A double shell pass heat exchanger longitudinal baffle seal structure according to claim 1 wherein the seal steel sheet set and the steel sheet fixing member (4) are integrally connected by pressure welding.
5. The longitudinal baffle plate sealing structure of the double-shell heat exchanger according to claim 1, wherein baffle plates (5) are arranged on two sides of the longitudinal baffle plate (2), and a notch (8) is formed in a position, close to the inner wall of the heat exchanger shell (1), of the baffle plates (5).
6. The longitudinal baffle sealing structure of a double shell pass heat exchanger according to claim 4, wherein the press welding seams are provided in a plurality of sections, the press welding seams of the plurality of sections are uniformly spaced along the length direction of the steel sheet fixing member (4), and the distance between two adjacent press welding seams is 300mm.
7. A double shell pass heat exchanger longitudinal baffle seal according to claim 1, wherein the steel sheet fixing member (4) is of the same length as the longitudinal baffle (2).
8. A double shell pass heat exchanger longitudinal baffle sealing structure as claimed in claim 3 wherein the steel sheet fixing member (4), the sealing steel sheet group and the longitudinal baffle (2) are provided with bolt holes penetrating the three corresponding positions at both ends.
9. A double shell pass heat exchanger longitudinal baffle seal structure according to claim 1 wherein the seal steel sheet group is formed by stacking 3-5 seal steel sheets (3); the thickness of the sealing steel sheet (3) is 0.2-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323130975.XU CN221444943U (en) | 2023-11-21 | 2023-11-21 | Longitudinal partition plate sealing structure of double-shell-pass heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323130975.XU CN221444943U (en) | 2023-11-21 | 2023-11-21 | Longitudinal partition plate sealing structure of double-shell-pass heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221444943U true CN221444943U (en) | 2024-07-30 |
Family
ID=92073820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323130975.XU Active CN221444943U (en) | 2023-11-21 | 2023-11-21 | Longitudinal partition plate sealing structure of double-shell-pass heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221444943U (en) |
-
2023
- 2023-11-21 CN CN202323130975.XU patent/CN221444943U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221444943U (en) | Longitudinal partition plate sealing structure of double-shell-pass heat exchanger | |
| CN210833172U (en) | Internal pressure plate bundle and heat exchanger formed by same | |
| CN213481105U (en) | Steam heater | |
| CN110926258A (en) | Sealing device for shell pass of photo-thermal heat exchanger | |
| CN210773586U (en) | Plate heat exchanger that leakproofness is strong | |
| CN210426171U (en) | Flat pipe and heat exchanger | |
| CN108020099B (en) | Micro-channel heat exchanger | |
| CN221611895U (en) | High-pressure-bearing plate-type evaporator | |
| CN108827038B (en) | Plate bundle with reinforced structure and plate shell type heat exchanger formed by plate bundle | |
| CN217737974U (en) | High-strength plate-fin heat dissipation core | |
| CN215804804U (en) | Intercooler | |
| CN221404020U (en) | Reinforced heat exchange plate | |
| CN211490166U (en) | Collecting pipe for harmonica tubular water-cooling plate | |
| CN211261915U (en) | Plate for heat exchanger | |
| CN217483317U (en) | Heat exchanger | |
| CN215676600U (en) | High-sealing heat exchanger core structure | |
| CN220959779U (en) | Radiator with universal assembly structure | |
| CN217192098U (en) | Hardware stamping die convenient to install and fix | |
| CN118623506A (en) | High-tightness bent type all-wing aircraft heat exchanger | |
| CN216558419U (en) | Condensing heat exchanger convenient to overhaul | |
| CN210602945U (en) | Heat exchanger core with clip structure | |
| CN211295321U (en) | Harmonica tube type water cooling plate | |
| CN215725279U (en) | Combined finned tube | |
| CN218723460U (en) | Novel side plate on finned tube type core group of structure | |
| CN220206458U (en) | High-efficient connection type heat exchanger combination grating plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |