CN216668403U - Supporting structure for heat preservation piece of heat exchanger - Google Patents
Supporting structure for heat preservation piece of heat exchanger Download PDFInfo
- Publication number
- CN216668403U CN216668403U CN202123448771.1U CN202123448771U CN216668403U CN 216668403 U CN216668403 U CN 216668403U CN 202123448771 U CN202123448771 U CN 202123448771U CN 216668403 U CN216668403 U CN 216668403U
- Authority
- CN
- China
- Prior art keywords
- supporting
- support
- ring
- heat exchanger
- diameter
- 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
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A supporting structure for a heat-insulating part of a heat exchanger is arranged on a shell of the heat exchanger, wherein the shell of the heat exchanger is provided with a vertical cylindrical large-diameter section and small-diameter sections positioned at the upper end and the lower end of the large-diameter section, and a step surface is arranged at the joint of the large-diameter section and the small-diameter sections; the supporting structure comprises two first supporting rings and a plurality of connecting bands, the two first supporting rings are respectively sleeved on the peripheries of the small-diameter sections corresponding to the two first supporting rings one above the other, and the inner diameter of each first supporting ring is smaller than the outer diameter of the large-diameter section; each first support ring is provided with an upward first support surface for supporting the heat preservation part, and the first support surfaces are arranged along the circumferential direction of the first support ring; the connecting bands are long and are arranged along the circumferential direction of the first supporting rings, and two ends of each connecting band are respectively connected to the two first supporting rings, so that at least the first supporting ring at the upper part is restrained on the corresponding step surface. Compared with the prior art, this application need not to carry out welding operation on the heat exchanger casing.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a supporting structure for a heat-insulating piece of a heat exchanger.
Background
Under the hydrogen working conditions of various hydrogenation, reforming and the like in petroleum and chemical industry, most of the selected heat exchanger materials are Cr-Mo steel materials, the materials have excellent hydrogen resistance and good high-temperature oxidation resistance, and the design temperature is more than 300 ℃, so that the heat exchanger needs to be provided with a heat preservation piece capable of effectively reducing heat energy loss.
For this reason, the utility model patent of patent No. 201320882829. X's utility model patent "a heat exchanger heat preservation device (the grant announcement number is CN203687739U) discloses a heat exchanger heat preservation device, including the heat exchanger body, be fixed with the medium business turn over pipe on this heat exchanger body, the fixed bolster, the heat exchanger body is provided with the lagging casing (being foretell heat preservation spare) corresponding with heat exchanger body surface shape outward, this lagging casing is formed by two semicircle arc concatenation butt welds, the medium business turn over pipe, the fixed bolster extends lagging casing, be fixed with a plurality of semi-ring shape backup pads on the semicircle arc, be provided with the yielding rubber packing ring between semi-ring shape backup pad and the heat exchanger body, the lagging casing internal surface scribbles thermal barrier coating.
The installation mode of the heat preservation piece is suitable for the horizontal heat exchanger, and when the heat exchanger is of a vertical structure, the heat preservation piece is often fixed on a shell of the heat exchanger in a welding mode. Due to the fact that the existing Cr-Mo steel material for preparing the heat exchanger shell has a large hardening tendency, if a heat preservation supporting structure in a welding mode is adopted, cracks are prone to appear at the junction of the outer wall of the heat exchanger shell and a heat preservation supporting fillet weld; in addition, in the prior art, whether defects exist in the fillet weld can not be determined through an effective nondestructive testing method, so that potential safety hazards exist in the heat exchange equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a heat-insulating support structure for a heat-insulating piece of a heat exchanger without welding operation on a shell of the heat exchanger aiming at the current situation of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a supporting structure for a heat-insulating member of a heat exchanger, which is provided on a casing of the heat exchanger
The shell of the heat exchanger is provided with a vertical cylindrical large-diameter section and small-diameter sections positioned at the upper end and the lower end of the large-diameter section, and a step surface is arranged at the joint of the large-diameter section and the small-diameter sections;
it is characterized in that the supporting structure comprises:
the two first support rings are respectively sleeved on the peripheries of the corresponding small-diameter sections one above the other and the inner diameter of each first support ring is smaller than the outer diameter of the large-diameter section; each first support ring is provided with an upward first support surface for supporting the heat preservation part, and the first support surfaces are arranged along the circumferential direction of the first support ring;
and the connecting bands are in a long strip shape and are arranged along the circumferential direction of the first supporting rings, and two ends of each connecting band are respectively connected to the two first supporting rings, so that at least the first supporting ring positioned at the upper part is restrained on the corresponding step surface.
In order to improve the stability of the supporting structure, preferably, the upper and lower first supporting rings are both constrained on the respective corresponding step surfaces.
Preferably, each of the first support rings is provided with a plurality of connectors arranged at intervals along the circumferential direction thereof, the number of the connectors is matched with the number of the connecting bands, and the end of each connecting band is constrained on the corresponding connector. Of course, the connecting band may also be directly connected to the first support ring.
Furthermore, the connecting head is provided with a through hole, each connecting belt comprises a connecting belt body, and the end part of the connecting belt body passes through the through hole and then is bent to form a first bending part superposed with the connecting belt body;
the supporting structure also comprises a connecting component, the connecting component comprises at least two clamping plates, namely a first clamping plate and a second clamping plate, and the plate surfaces of the first clamping plate and the second clamping plate are opposite and are arranged at the two sides of the first bending part and the connecting belt body; the connecting assembly further comprises a connecting piece used for connecting the first clamping plate and the second clamping plate so that the plate surfaces of the first clamping plate and the second clamping plate can clamp the connecting band.
Furthermore, the connecting head is a C-shaped connecting rod, and two ends of the connecting rod are connected to the first supporting ring, so that the through hole is formed between the connecting rod and the first supporting ring.
In the above aspect, preferably, a first support ring is sleeved on the outer peripheral wall of each first support ring, an upper end surface of the first support ring is used as the first support surface, and the first support surface is horizontally arranged. Of course, the first support surface can also be located directly on the first support ring.
For assembly, the first support ring is preferably formed by butt-jointing the ends of at least two arc-shaped pieces.
In each of the above solutions, preferably, the heat insulation device further includes a second support ring, the second support ring is sleeved on the periphery of the large-diameter section, is located outside each connecting band, and is connected to the connecting band, and the second support ring has a second support surface for supporting the heat insulation member, and the second support surface extends along the circumferential direction of the second support ring and is disposed upward.
Preferably, the second support ring has at least two and is arranged along the axial interval of the large diameter section.
And finally, the second support ring comprises an annular bandage and a second support ring sleeved on the peripheral wall of the annular bandage, the upper end surface of the second support ring is used as the second support surface, and the second support surface is horizontally arranged.
Compared with the prior art, the utility model has the advantages that: the first support rings are respectively sleeved on the two small-diameter sections on one of the heat exchanger shells, and the two first support rings are connected through the connecting belts, so that the first support ring at least positioned on the upper part can be constrained on the step surface at the joint of the small-diameter section and the large-diameter section under the action of gravity, the first support ring at the lower part can be constrained on the small-diameter section below the large-diameter section under the action of the connecting belts, the heat preservation part of the heat exchanger can be sleeved on the periphery of the heat exchanger shell and supported on the first support surface of the first support ring, and therefore the heat preservation part is supported without being welded on the heat exchanger shell, and hidden troubles such as cracks, defects and the like generated by welding are effectively avoided. And this application simple structure, the installation of being convenient for.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial schematic view of the structure in the direction A-A in FIG. 1 (the adapter on the housing is omitted);
FIG. 3 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 4 is an enlarged view of portion I of FIG. 1 (with the connecting band omitted);
FIG. 5 is a top view of the connector of FIG. 4;
FIG. 6 is an enlarged view of II of FIG. 1 (with the heat exchanger shell omitted);
FIG. 7 is a side view of FIG. 6;
FIG. 8 is a schematic view of a portion of the structure in the direction B-B in FIG. 1 (the adapter on the housing is omitted);
FIG. 9 is a schematic view of the structure of FIG. 8 taken along the line D-D;
fig. 10 is a schematic view of the structure in the direction E in fig. 9.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 10, a preferred embodiment of a support structure for a heat insulating member of a heat exchanger according to the present invention is provided, the support structure is configured to be disposed on a housing of the heat exchanger, and the housing of the heat exchanger has a vertical cylindrical large-diameter section 11, small-diameter sections 12 located at upper and lower ends of the large-diameter section 11, and a step surface 10 is provided at a connection portion of the large-diameter section 11 and the small-diameter sections 12; in this embodiment, the large-diameter section 11 is a cylindrical shell-side cylinder, and the small-diameter section 12 is a tube box provided at both ends of the shell-side cylinder. And the shell pass cylinder body and the tube box are respectively provided with a connecting tube for connecting a shell pass medium and a tube pass medium.
The supporting structure of the embodiment comprises a first supporting ring 2, a connecting band 3, a connecting component 4 and a second supporting ring 5.
Wherein, two first support rings 2 are respectively sleeved on the periphery of the corresponding small-diameter section 12 one above the other, and the inner diameter of each first support ring 2 is smaller than the outer diameter of the large-diameter section 11; each first support ring 2 is provided with a first support surface 21 which is arranged upwards and used for supporting the heat preservation part, and the first support surface 21 is arranged along the circumferential direction of the first support ring 2. In this embodiment, the outer circumferential wall of each first support ring 2 is sleeved with a first support ring 23, and the upper end surface of the first support ring 23 is horizontally disposed as the first support surface 21. And first supporting ring 23 is formed by connecting four arc pieces 23a that arrange along circumference, specifically, all seted up connecting hole 24 on the tip of two adjacent arc pieces 23a on the circumference to through bolted connection. Please refer to fig. 2 and 3.
The connecting belt 3 is provided in plurality, and the plurality of connecting belts 3 are arranged along the circumferential direction of the casing 1 of the heat exchanger. Each connecting band 3 is a strip-shaped metal band, and both ends of each connecting band are connected to the two first support rings 2, so that the upper and lower first support rings 2 are constrained on the corresponding step surfaces 10. In this embodiment, each first support ring 2 is provided with a plurality of connectors 22 arranged at intervals along the circumferential direction thereof, the number of the connectors 22 matches the number of the connecting bands 3, and the end of each connecting band 3 is constrained to the corresponding connector 22. Specifically, each of the connectors 22 is a C-shaped connecting rod, and both ends of the connecting rod are connected to the first support ring 2, so that a through hole 220 is formed between the connecting rod and the first support ring 2. Each connecting band 3 includes a connecting band body 31, an end portion of the connecting band body 31 passes through the through hole 220 and is then bent to form a first bent portion 32 overlapping the connecting band body 31, and an end portion of the first bent portion 32 is again bent in the opposite direction to form a second bent portion 33 arranged in parallel with the first bent portion 32, so that the end portion of the connecting band 3 is arranged in an S-shape as a whole. The first and second bending portions are connected with the connecting belt body 31 through a connecting assembly 4, the connecting assembly 4 comprises three parallel clamping plates, namely a first clamping plate 41, a second clamping plate 42 and a third clamping plate 43, the surfaces of the first clamping plate 41 and the second clamping plate 42 are opposite and arranged at two sides of the first bending portion 32 and the connecting belt body 31; the third clamping plates 43 are arranged on both sides of the second bending part 43 opposite to the plate surface of the second clamping plate. The connecting assembly 4 further includes a connecting member 44 for connecting the first, second, and third clamping plates so that the plates of the first, second, and third clamping plates clamp the connecting band 3. The connecting piece 44 is a nut and a bolt, and the rod part of the bolt penetrates through the clamping plates in sequence and then is connected with the nut.
In this embodiment, the connection strap is constrained on the connector 22 by two times of bending the connection strap 3 and three clamping plates, so as to improve the stability of the connection structure. Besides, the connection can be realized by one-time bending of the connecting belt and two clamping plates, or by a connecting assembly with other structures.
The second support ring 5 is sleeved on the periphery of the large-diameter section 11, is located outside each connecting band 3, and is connected with the connecting bands 3, and the second support ring 5 is provided with a second support surface 51 for supporting the heat preservation member, and the second support surface 51 extends along the circumferential direction of the second support ring 5 and is arranged upward. Specifically, the second support ring 5 includes an annular band 53 and a second support ring 52 fitted around the outer peripheral wall of the annular band 53, and the upper end face of the second support ring 52 is horizontally disposed as the above-described second support face 51. The annular band 53 is connected to the connecting band 3 by a rivet. In this embodiment, the second support ring 5 is provided in a plurality and spaced along the axial direction of the large diameter section 11.
The heat preservation members (existing structures, not shown in the figure) in this embodiment are provided with a plurality of heat preservation members, are sequentially sleeved on the heat exchanger shell 1 from bottom to top, and are supported on the corresponding supporting surfaces.
Claims (10)
1. A supporting structure for a heat-insulating member of a heat exchanger, which is provided on a casing of the heat exchanger
The shell (1) of the heat exchanger is provided with a vertical cylindrical large-diameter section (11) and small-diameter sections (12) positioned at the upper end and the lower end of the large-diameter section (11), and a step surface (10) is arranged at the joint of the large-diameter section (11) and the small-diameter sections (12);
it is characterized in that the supporting structure comprises:
the two first supporting rings (2) are sleeved on the peripheries of the corresponding small-diameter sections (12) one by one, and the inner diameter of each first supporting ring (2) is smaller than the outer diameter of the large-diameter section (11); each first support ring (2) is provided with an upward first support surface (21) for supporting a heat preservation part, and the first support surfaces (21) are arranged along the circumferential direction of the first support ring (2);
and the connecting bands (3) are long and are arranged along the circumferential direction of the first supporting rings (2), and two ends of each connecting band (3) are respectively connected to the two first supporting rings (2), so that at least the first supporting ring (2) positioned at the upper part is restrained on the corresponding step surface (10).
2. The support structure of claim 1, wherein: the upper and lower first supporting rings (2) are constrained on the corresponding step surfaces (10).
3. The support structure of claim 1, wherein: each first supporting ring (2) is provided with a plurality of connectors (22) which are arranged at intervals along the circumferential direction of the first supporting ring, the number of the connectors (22) is matched with that of the connecting bands (3), and the end parts of the connecting bands (3) are restrained on the connectors (22) which correspond to each other.
4. The support structure of claim 3, wherein: the connecting head (22) is provided with through holes (220), each connecting belt (3) comprises a connecting belt body (31), and the end part of each connecting belt body (31) penetrates through the through hole (220) and then is bent to form a first bending part (32) superposed with the connecting belt body (31);
the supporting structure further comprises a connecting assembly (4), the connecting assembly (4) comprises at least two clamping plates which are a first clamping plate (41) and a second clamping plate (42), and the plate surfaces of the first clamping plate (41) and the second clamping plate (42) are opposite and arranged on the two sides of the first bending part (32) and the connecting belt body (31); the connecting assembly (4) further comprises a connecting piece (44) which is used for connecting the first clamping plate and the second clamping plate so that the plate surfaces of the first clamping plate and the second clamping plate clamp the connecting band (3).
5. The support structure of claim 4, wherein: the connecting head (22) is a C-shaped connecting rod, and two ends of the connecting rod are connected to the first supporting ring (2), so that the through hole (220) is formed between the connecting rod and the first supporting ring (2).
6. The support structure of claim 1, wherein: the outer peripheral wall of each first supporting ring (2) is sleeved with a first supporting ring (23), the upper end face of the first supporting ring (23) serves as the first supporting face (21), and the first supporting face (21) is horizontally arranged.
7. The support structure of claim 6, wherein: the first supporting ring (23) is formed by butt joint of the end parts of at least two arc-shaped pieces (23 a).
8. The support structure of any one of claims 1 to 7, wherein: the heat insulation piece is characterized by further comprising a second support ring (5), wherein the second support ring (5) is sleeved on the periphery of the large-diameter section (11), is positioned on the outer side of each connecting band (3), is connected with the connecting bands (3), is provided with a second support surface (51) used for supporting the heat insulation piece, and extends along the circumferential direction of the second support ring (5) and is arranged upwards, and the second support surface (51) is arranged on the second support ring (5).
9. The support structure of claim 8, wherein: the second support ring (5) is provided with at least two support rings which are arranged at intervals along the axial direction of the large-diameter section (11).
10. The support structure of claim 8, wherein: the second support ring (5) comprises an annular binding band (53) and a second support ring (52) sleeved on the outer peripheral wall of the annular binding band (53), the upper end face of the second support ring (52) serves as the second support face (51), and the second support face (51) is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123448771.1U CN216668403U (en) | 2021-12-30 | 2021-12-30 | Supporting structure for heat preservation piece of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123448771.1U CN216668403U (en) | 2021-12-30 | 2021-12-30 | Supporting structure for heat preservation piece of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216668403U true CN216668403U (en) | 2022-06-03 |
Family
ID=81760732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123448771.1U Active CN216668403U (en) | 2021-12-30 | 2021-12-30 | Supporting structure for heat preservation piece of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216668403U (en) |
-
2021
- 2021-12-30 CN CN202123448771.1U patent/CN216668403U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216668403U (en) | Supporting structure for heat preservation piece of heat exchanger | |
| CN210510709U (en) | Novel metal corrugated pipe compensator for high-voltage combined electrical apparatus | |
| CN210801129U (en) | Superheater wall temperature measuring thermocouple mounting structure | |
| CN214747421U (en) | Spiral plate heat exchanger | |
| CN112944956A (en) | U-shaped tubular heat exchanger with high-temperature and high-pressure tube pass structure | |
| CN211012615U (en) | Heat exchanger with thermal expansion extension protection | |
| CN104776749B (en) | A kind of tube header of tube-type heat exchanger seals structure | |
| CN213073153U (en) | Electromagnetic induction heating device for build-up welding of inner wall of pump shell of coolant of nuclear power reactor | |
| CN210179090U (en) | Seamless corrugated hose for nuclear power | |
| CN203663822U (en) | Acrylate esterification reactor with titaniumtim and stainless steel combined structure | |
| CN212718450U (en) | Prefabricated insulating tube is maked somebody a mere figurehead to finished product | |
| CN203100525U (en) | Tube box structure for tube type heat exchanger | |
| CN208373034U (en) | A kind of cold hydrogen mouth structure and hydrogenator of hydrogenator | |
| CN219606279U (en) | High-temperature-resistant stainless steel welded pipe for fluid pipeline | |
| CN206055005U (en) | A kind of normal residual heat removal exchanger sealing ring | |
| CN209783347U (en) | Novel removable nitrogen heater | |
| CN220250754U (en) | Vertical shell-and-tube heat exchanger | |
| CN219454782U (en) | Shell-and-plate heat exchanger | |
| CN220602262U (en) | Heat exchanger and tube plate welding structure thereof | |
| CN215981231U (en) | Large-size stainless steel welded pipe capable of reducing manufacturing cost | |
| CN219301367U (en) | Pressure balancing device for fixing tube plate heat exchanger | |
| CN216769386U (en) | A coiled pipe fixed knot constructs for arranging in line | |
| CN220793993U (en) | Connection structure of heat exchange tube | |
| CN213238559U (en) | Combustion furnace heat exchanger | |
| CN204718472U (en) | A kind of tube header of tube-type heat exchanger hermetically-sealed construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315207 Jiaochuan Street Refining Road, Zhenhai District, Ningbo City, Zhejiang Province Patentee after: Zhenhai Petrochemical Construction and Installation Engineering Co.,Ltd. Address before: 315207 Jiaochuan Street Refining Road, Zhenhai District, Ningbo City, Zhejiang Province Patentee before: ZHENHAI PETROCHEMICAL JIANAN ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |