CN215524329U - End supporting structure of large-elbow heat exchanger - Google Patents
End supporting structure of large-elbow heat exchanger Download PDFInfo
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- CN215524329U CN215524329U CN202121476981.9U CN202121476981U CN215524329U CN 215524329 U CN215524329 U CN 215524329U CN 202121476981 U CN202121476981 U CN 202121476981U CN 215524329 U CN215524329 U CN 215524329U
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Abstract
The utility model relates to a heat exchanger end supporting structure for a large bent pipe, which relates to a heat exchanger end supporting structure and aims to solve the problems that the existing supporting structure is difficult to mount and can not prevent a heat exchange pipe from generating severe vibration. The supporting structure of the utility model has simple structure and convenient installation, can be normally installed even if the heat exchange tube is manufactured in a large bias way, and has compact structure and enough through-flow space to ensure heat transfer and control pressure loss.
Description
Technical Field
The utility model relates to a heat exchanger end supporting structure, in particular to a large-elbow heat exchanger end supporting structure, and relates to the field of hairpin type heat exchangers.
Background
The large-elbow-pipe heat exchanger elbow is a component of a hairpin type heat exchanger, the bending radius of the large-elbow-pipe heat exchanger elbow part is large and generally exceeds the allowed maximum unsupported span, so that a support structure is required to be added at the end part, otherwise, the heat exchange pipe can generate severe vibration to cause pipe breakage or reduce the wall thickness of the heat exchange pipe, and the overall safe operation of equipment is endangered. Meanwhile, the fluid in the shell side of the large-elbow heat exchanger is a single flow, and when the supporting structure is arranged, enough fluid channels need to be reserved so as to ensure effective heat exchange area and ensure that the pressure loss is controlled within an allowable range.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large-elbow heat exchanger end supporting structure, aiming at solving the problems that the existing supporting structure is difficult to install and can not prevent a heat exchange tube from generating severe vibration.
The technical scheme adopted by the utility model for solving the problems is as follows:
the vibration-proof device comprises an inner arc rib, an outer arc rib, a plurality of first vibration-proof assemblies, a plurality of second vibration-proof assemblies and a straight pull rib assembly, wherein the outer arc rib, the straight pull rib assembly and the inner arc rib are sequentially arranged from outside to inside, the plurality of first vibration-proof assemblies are uniformly distributed between the outer arc rib and the straight pull rib along the circumferential direction, and the plurality of second vibration-proof assemblies are uniformly distributed between the straight pull rib and the inner arc rib along the circumferential direction.
Further, first antivibration subassembly includes two first antivibration rings, upper portion antivibration strip and a plurality of first middle antivibration strip, and two first antivibration ring symmetries set up, and the both ends of upper portion antivibration strip are connected with the upper end of two first antivibration rings respectively, and a plurality of first middle antivibration strips set gradually from top to bottom between two first antivibration rings and are located the lower part of upper portion antivibration strip.
Further, the upper surface of upper portion antivibration strip and first middle antivibration strip all is equipped with a plurality of U type grooves along its length direction, and the lower surface of upper portion antivibration strip and first middle antivibration strip all is equipped with a plurality of semicircle type breachs along its length direction, and the position of U type groove and semicircle type breach sets up in a crisscross way.
Further, the number of the first vibration preventing assemblies is five.
Furthermore, the second anti-vibration assembly comprises two second anti-vibration rings, a lower anti-vibration strip and a plurality of second middle anti-vibration strips, the two second anti-vibration rings are symmetrically arranged, two ends of the lower anti-vibration strip are respectively connected with the lower ends of the two first anti-vibration rings, and the plurality of second middle anti-vibration strips are sequentially arranged between the two second anti-vibration rings from bottom to top and are located on the upper portion of the lower anti-vibration strip.
Further, the anti-vibration strip is the rectangular plate body in the middle of lower part anti-vibration strip and the second, and the upper surface of lower part anti-vibration strip is equipped with a plurality of U type grooves along its length direction, and the upper surface of anti-vibration strip is equipped with a plurality of U type grooves along its length direction in the middle of the second, and the lower surface of anti-vibration strip is equipped with a plurality of semi-circular breachs along its length direction in the middle of the second, and the position of U type groove and semi-circular breach is crisscross to be set up.
Further, the number of the second vibration prevention assemblies is four.
Further, the straight pull muscle subassembly includes nine groups straight pull muscle, and nine groups straight pull muscle connect into circular-arcly end to end in proper order, and every group straight pull muscle is set up by two straight pull muscle side by side.
Further, the central angle of the outer arc rib is (a) 120 °.
Further, the central angle (b) of the inner arc rib is 135 degrees.
The utility model has the beneficial effects that:
1. the supporting structure is simple in structure and convenient to install, can be normally installed even if the heat exchange tube is manufactured in a large bias mode, is compact, and has enough through-flow space to guarantee heat transfer and control pressure loss;
2. the vibration space of the heat exchange tube can be effectively limited through the upper and lower vibration-proof strips of the vibration-proof device, severe vibration of the heat exchange tube is prevented, the problem of overlarge unsupported span is solved, and safe and stable operation of equipment is guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a view from B-B in fig. 1.
Fig. 3 is a view from G-G in fig. 1.
Fig. 4 is a schematic structural view of a first intermediate vibration-proof strip.
Fig. 5 is a schematic view of the structure of a second intermediate vibration-proof strip.
Detailed Description
The first embodiment is as follows: this embodiment is described with reference to fig. 1 to 5, and this embodiment this bearing structure includes inner arc muscle 1, outer arc muscle 2, a plurality of first antivibration subassemblies 3, a plurality of second antivibration subassemblies 4 and a plurality of straight pull muscle subassembly 5, and outer arc muscle 2, straight pull muscle 5 and inner arc muscle 1 set gradually from outside to inside, and a plurality of first antivibration subassemblies 3 set up between outer arc muscle 2 and straight pull muscle subassembly 5 along the circumferencial direction equipartition, and a plurality of second antivibration subassemblies 4 set up between straight pull muscle 5 and inner arc muscle 1 along the circumferencial direction equipartition.
The inner arc rib 1 is arranged on the inner side of the inner arc of the elbow 7, and the inner arc rib 2 is welded with the first baffle plate 6 close to the elbow; the first anti-vibration assembly 3 is respectively welded and fixed with the straight pull rib 5 and the outer arc rib 2; and the second anti-vibration assembly 4 is respectively welded and fixed with the straight pull rib 5 and the inner arc rib 1.
The outer arc rib 2 is arranged on the inner side of the outer arc of the elbow 7. Outer arc muscle 2, inner arc muscle 1, a plurality of first antivibration subassembly 3 and a plurality of second antivibration subassembly 4 enclose into a fan-shaped structure, and fan-shaped stable in structure has sufficient space in firm and fan-shaped structure, can play the supporting role in, can not influence shell side fluid flow again.
The second embodiment is as follows: referring to fig. 2, the first anti-vibration assembly 3 of the present embodiment includes two first anti-vibration rings 3-1, an upper anti-vibration strip 3-2, and a plurality of first middle anti-vibration strips 3-3, the two first anti-vibration rings 3-1 are symmetrically disposed, both ends of the upper anti-vibration strip 3-2 are respectively connected to the upper ends of the two first anti-vibration rings 3-1, and the plurality of first middle anti-vibration strips 3-3 are sequentially disposed between the two first anti-vibration rings 3-1 from top to bottom and are located below the upper anti-vibration strip 3-2. The upper anti-vibration strips 3-2 and the first middle anti-vibration strips 3-3 are welded on the first anti-vibration ring 3-1, two adjacent anti-vibration strips are welded when being installed, when the heat exchange tube penetrates through the anti-vibration device, the anti-vibration strips on the upper side and the lower side of the heat exchange tube can play a role in restraining the heat exchange tube, and vibration of the heat exchange tube is prevented. The antivibration strip is the cockscomb structure, and bearing structure is stainless steel construction.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: referring to fig. 2 and 4, the present embodiment will be described, in which a plurality of U-shaped grooves are formed on the upper surfaces of the upper vibration-proof strip 3-2 and the first intermediate vibration-proof strip 3-3 along the longitudinal direction thereof, a plurality of semicircular notches are formed on the lower surfaces of the upper vibration-proof strip 3-2 and the first intermediate vibration-proof strip 3-3 along the longitudinal direction thereof, and the positions of the U-shaped grooves and the semicircular notches are staggered. Each U-shaped groove and the semicircular notch on the lower surface of the adjacent upper anti-vibration strip form a closed circular hole, so that the heat exchange tube can be better restrained, and the vibration of the heat exchange tube is prevented.
Other components are connected in the same manner as in the first or second embodiment.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and the number of the first vibration isolation assemblies 3 in the present embodiment is five.
Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the second anti-vibration assembly 4 of the present embodiment is described with reference to fig. 3 and 5, and includes two second anti-vibration rings 4-1, a lower anti-vibration strip 4-2, and a plurality of second intermediate anti-vibration strips 4-3, wherein the two second anti-vibration rings 4-1 are symmetrically disposed, both ends of the lower anti-vibration strip 4-2 are connected to the lower ends of the two first anti-vibration rings 4-1, respectively, and the plurality of second intermediate anti-vibration strips 4-3 are sequentially disposed between the two second anti-vibration rings 4-1 from bottom to top and are located at the upper portion of the lower anti-vibration strip 4-2. The lower anti-vibration strip 4-2 and the plurality of second middle anti-vibration strips 4-3 are welded on the second anti-vibration ring 4-1, two adjacent anti-vibration strips are welded when being installed, when the heat exchange tube penetrates through the anti-vibration device, the anti-vibration strips on the upper side and the lower side of the heat exchange tube can play a role in restraining the heat exchange tube, and the vibration of the heat exchange tube is prevented. The antivibration strip is the cockscomb structure, and bearing structure is stainless steel construction.
Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 3 and 5, in which the lower anti-vibration strip 4-2 and the second intermediate anti-vibration strip 4-3 are both rectangular plate bodies, the upper surface of the lower anti-vibration strip 4-2 is provided with a plurality of U-shaped grooves along the length direction thereof, the upper surface of the second intermediate anti-vibration strip 4-3 is provided with a plurality of U-shaped grooves along the length direction thereof, the lower surface of the second intermediate anti-vibration strip 4-3 is provided with a plurality of semicircular notches along the length direction thereof, and the positions of the U-shaped grooves and the semicircular notches are staggered. Each U-shaped groove and the semicircular notch on the lower surface of the adjacent upper anti-vibration strip form a closed circular hole, so that the heat exchange tube can be better restrained, and the vibration of the heat exchange tube is prevented.
Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: the present embodiment will be described with reference to fig. 1, and the number of the second vibration isolation assemblies 4 in the present embodiment is four.
Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1 to 3, and the straight pull rib assembly 5 of the embodiment includes nine groups of straight pull ribs, the nine groups of straight pull ribs are sequentially connected end to form an arc shape, and each group of straight pull ribs is arranged by two straight pull ribs side by side.
The number of the straight lacing wires is eighteen, and two straight lacing wires which are arranged side by side are arranged between the lower end of the first anti-vibration device 3 and the first baffle plate 6 close to the elbow 7; two straight lacing wires which are arranged side by side are arranged between the lower ends of every two adjacent first anti-vibration devices 3 and the upper ends of the second anti-vibration devices 4.
Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.
The specific implementation method nine: referring to fig. 1, the present embodiment will be described, in which the outer bead 2 has a central angle a of 120 °. According to the arrangement, the laying area of the outer arc ribs is large, and at the moment, the outer arc ribs are laid in the middle of the inner side of the outer arc wall of the elbow of the heat exchanger, so that the design requirement and the actual supporting requirement are met.
Other components and connection relationships are the same as those of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: in the present embodiment, the central angle b of the inner bead 1 is 135 °, which is described with reference to fig. 1. So set up, the area is laid to interior arc muscle 1 is great, and at this moment the interior arc muscle accounts for the inboard three quarters of heat exchanger elbow inner arc wall and lays, and interior arc muscle one end and the welding of heat exchanger baffling board 6 satisfy the designing requirement and actually support the needs.
Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiment.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a big return bend heat exchanger tip bearing structure which characterized in that: this bearing structure includes interior arc muscle (1), outer arc muscle (2), a plurality of first antivibration subassembly (3), a plurality of second antivibration subassembly (4) and vertical pulling muscle subassembly (5), outer arc muscle (2), vertical pulling muscle subassembly (5) and interior arc muscle (1) are by outer to interior setting gradually, and a plurality of first antivibration subassemblies (3) set up between outer arc muscle (2) and vertical pulling muscle (5) along the circumferencial direction equipartition, and a plurality of second antivibration subassemblies (4) set up between vertical pulling muscle (5) and interior arc muscle (1) along the circumferencial direction equipartition.
2. The large-elbow heat exchanger end support structure according to claim 1, wherein: the first anti-vibration assembly (3) comprises two first anti-vibration rings (3-1), an upper anti-vibration strip (3-2) and a plurality of first middle anti-vibration strips (3-3), the two first anti-vibration rings (3-1) are symmetrically arranged, two ends of the upper anti-vibration strip (3-2) are respectively connected with the upper ends of the two first anti-vibration rings (3-1), and the first middle anti-vibration strips (3-3) are sequentially arranged between the two first anti-vibration rings (3-1) from top to bottom and are located on the lower portion of the upper anti-vibration strip (3-2).
3. The large-elbow heat exchanger end support structure according to claim 2, wherein: the upper surfaces of the upper portion vibration-proof strip (3-2) and the first middle vibration-proof strip (3-3) are provided with a plurality of U-shaped grooves along the length direction, the lower surfaces of the upper portion vibration-proof strip (3-2) and the first middle vibration-proof strip (3-3) are provided with a plurality of semicircular notches along the length direction, and the positions of the U-shaped grooves and the semicircular notches are arranged in a staggered mode.
4. A large-elbow heat exchanger end support structure according to any one of claims 1-3, wherein: the number of the first anti-vibration assemblies (3) is five.
5. The large-elbow heat exchanger end support structure according to claim 1, wherein: the second anti-vibration assembly (4) comprises two second anti-vibration rings (4-1), a lower anti-vibration strip (4-2) and a plurality of second middle anti-vibration strips (4-3), the two second anti-vibration rings (4-1) are symmetrically arranged, two ends of the lower anti-vibration strip (4-2) are respectively connected with the lower ends of the two first anti-vibration rings (4-1), and the second middle anti-vibration strips (4-3) are sequentially arranged between the two second anti-vibration rings (4-1) from bottom to top and are located on the upper portion of the lower anti-vibration strip (4-2).
6. The large-elbow heat exchanger end support structure according to claim 5, wherein: the lower anti-vibration strip (4-2) and the second middle anti-vibration strip (4-3) are rectangular plate bodies, the upper surface of the lower anti-vibration strip (4-2) is provided with a plurality of U-shaped grooves along the length direction, the upper surface of the second middle anti-vibration strip (4-3) is provided with a plurality of U-shaped grooves along the length direction, the lower surface of the second middle anti-vibration strip (4-3) is provided with a plurality of semicircular notches along the length direction, and the positions of the U-shaped grooves and the semicircular notches are arranged in a staggered mode.
7. A large-elbow heat exchanger end support structure according to any one of claims 1, 5 or 6, wherein: the number of the second anti-vibration assemblies (4) is four.
8. The novel end support structure of a large-elbow heat exchanger according to claim 1, characterized in that: the straight pull rib assembly (5) comprises nine groups of straight pull ribs, the nine groups of straight pull ribs are sequentially connected end to form an arc shape, and each group of straight pull ribs is arranged side by two straight pull ribs.
9. The large-elbow heat exchanger end support structure according to claim 1, wherein: the central angle (a) of the outer arc rib (2) is 120 degrees.
10. The large-elbow heat exchanger end support structure according to claim 1, wherein: the central angle (b) of the inner arc rib (1) is 135 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121476981.9U CN215524329U (en) | 2021-06-29 | 2021-06-29 | End supporting structure of large-elbow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121476981.9U CN215524329U (en) | 2021-06-29 | 2021-06-29 | End supporting structure of large-elbow heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215524329U true CN215524329U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121476981.9U Active CN215524329U (en) | 2021-06-29 | 2021-06-29 | End supporting structure of large-elbow heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215524329U (en) |
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2021
- 2021-06-29 CN CN202121476981.9U patent/CN215524329U/en active Active
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