CN209978702U

CN209978702U - Bypass flow sealing structure for all-welded plate shell type heat exchanger

Info

Publication number: CN209978702U
Application number: CN201920585721.1U
Authority: CN
Inventors: 周建; 朱世岩
Original assignee: SHANGHAI HAOKE MANUFACTURING Co Ltd
Current assignee: SHANGHAI HAOKE MANUFACTURING Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-21
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses an all-welded plate shell type heat exchanger is with side flow seal structure, be the obtuse bent metal sheet of obtuse angle including the symmetry setting and the camber angle, the left and right sides all pegs graft on the bent metal sheet has the same foil of a plurality of group's structures, just foil's quantity matches with the bent metal sheet, and is two sets of the cavity that forms between foil and the top of bent metal sheet sets up to first pressure-bearing assembly groove, the cavity that the bent metal sheet below formed sets up to second pressure-bearing assembly groove, adopts bent metal sheet and foil to constitute, designs the structural dimension of corresponding spare part in advance according to the board type, and be convenient for process, equipment to have good side flow sealing performance, thereby improve equipment's heat exchange efficiency.

Description

Bypass flow sealing structure for all-welded plate shell type heat exchanger

Technical Field

The utility model relates to an all-welded plate shell type bypass seal technical field for heat exchanger specifically is an all-welded plate shell type bypass seal structure for heat exchanger.

Background

At present, the plate bundle of all-welded plate shell type heat exchanger all adopts section bars such as angle steel to weld on the slab core with the bypass seal of casing, can make corresponding spare part machining dimension difficult to control like this, equipment difficulty to the leakproofness is very poor, causes equipment heat exchange efficiency greatly reduced, current similar scheme: rubber is used as a bypass flow seal, and during assembly, the core body and the cylinder body are squeezed to compress and seal the rubber so as to achieve the effect of bypass flow seal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an all-welded lamella heat exchanger is with side flow seal structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an all-welded plate shell type heat exchanger is with side flow seal structure, is the obtuse bent metal sheet of camber angle including the symmetry setting, the left and right sides all pegs graft on the bent metal sheet has the same foil of a plurality of groups structure, just the quantity of foil matches with the bent metal sheet, and is two sets of the cavity that forms between foil and the top of bent metal sheet sets up to first pressure-bearing assembly groove, the cavity that the bent metal sheet below formed sets up to second pressure-bearing assembly groove.

Preferably, the bending metal plate comprises two groups of symmetrically-arranged section steel plates, the top ends of the two groups of section steel plates are welded through arc-shaped transition portions, the bottom ends of the two groups of section steel plates are welded with bearing plates, cavities between the section steel plates and the bearing plates are arranged to be welding grooves, the width of each welding groove is matched with the thickness of each metal sheet, and the number of the metal sheets can be 1-10.

Preferably, the metal sheets comprise inserting parts matched with the bent metal plates, the left ends of the inserting parts are fixedly welded with the bearing parts through the bent parts, and the thickness of a single group of metal sheets is 0.1mm-1 mm.

Preferably, the included angle between the two groups of profiled steel sheets is an obtuse angle, and the profiled steel sheets and the pressure bearing plate are in transition through an arc transition fillet.

Preferably, the included angle between the inserting part and the pressure-bearing part is an obtuse angle, and the bending part is an arc-shaped welding block with the radius of 1.2 mm.

Preferably, the insertion part and the welding groove are in welding fit, and the number of the metal sheets is changed along with the width of the welding groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, adopt the sealed foil group that metal sheet and foil constitute of bending to constitute, because the size of foil group designs according to the board type of heat exchanger, core and the cooperation of first pressure-bearing assembly groove, barrel and the cooperation of second pressure-bearing assembly groove can make core and barrel extrude foil through the metal sheet of bending, make the foil atress and can not kick-back, can make foil and core and barrel contact inseparabler simultaneously, thereby reach the sealed effect of bypass, thereby improve equipment's heat exchange efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a bent metal plate according to the present invention;

FIG. 4 is a schematic sectional view of a bent metal plate structure according to the present invention;

fig. 5 is a schematic view of the structure of the metal sheet of the present invention.

In the figure: the welding device comprises a 1 bending metal plate, a 11 type steel plate, a 12 arc-shaped transition part, a 13 pressure bearing plate, a 14 welding groove, a 2 metal sheet, a 21 insertion part, a 22 pressure bearing part, a 23 bending part, a 3 first pressure bearing assembly groove and a 4 second pressure bearing assembly groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a side flow seal structure for all-welded plate shell type heat exchanger, is obtuse bent metal sheet 1 including the symmetry setting and the camber angle, and the left and right sides all pegs graft on bent metal sheet 1 has the same foil 2 of a plurality of groups structure, and the quantity of foil 2 and the 1 phase-match of bent metal sheet, and the cavity that forms between two sets of foil 2 and the top of bent metal sheet 1 sets up to first pressure-bearing assembly groove 3, and the cavity that forms below bent metal sheet 1 sets up to second pressure-bearing assembly groove 4.

The bending metal plate 1 comprises two groups of symmetrically arranged section steel plates 11, the top ends of the two groups of section steel plates 11 are welded through arc-shaped transition parts 12, the bottom ends of the two groups of section steel plates 11 are both welded with bearing plates 13, a cavity between each section steel plate 11 and each bearing plate 13 is a welding groove 14, the width of each welding groove 14 is matched with the thickness of each metal sheet 2, and the number of the metal sheets 2 can be 1-10;

the metal sheets 2 comprise inserting parts 21 matched with the bent metal plates 1, the left ends of the inserting parts 21 are fixedly welded with bearing parts 22 through bent parts 23, and the thickness of a single group of metal sheets 2 is 0.1mm-1 mm;

the included angle between the two groups of section steel plates 11 is an obtuse angle, and the section steel plates 11 and the pressure bearing plate 13 are transited through arc transition fillets, so that the arc transition part 12 can be prevented from having large bending stress;

an included angle between the inserting part 21 and the pressure bearing part 22 is an obtuse angle, and the bending part 23 is an arc-shaped welding block with the radius of 1.2 mm;

grafting portion 21 and welding groove 14 welding cooperation, and the quantity of foil 2 changes along with the width of welding groove 14, can make core and barrel extrude foil 2 through bending metal sheet 1 through this kind of setting for foil 2 atress can not kick-back, can make foil 2 and core and barrel contact inseparabler simultaneously, thereby reaches the sealed effect of bypass flow.

Example (b): in the embodiment, the metal sheets 2 are four groups, and the sealing device with the thickness of a single group of metal sheets 2 being 0.6mm is composed of a sealing metal sheet group formed by bending a metal plate 1 and the metal sheets 2, because the size of the metal sheets 2 is designed according to the plate type of the heat exchanger, the metal plate 1 is bent 920 upwards, namely bent into an obtuse angle shape, the metal sheets 2 are bent 1050, the bending angle is matched with the welding groove 14, then the inserting part 21 of the metal sheets 2 is inserted into the welding groove 14 and then welded, four groups of metal sheets 2 are simultaneously welded in one welding groove 14, the core body of the heat exchanger is matched with the first pressure-bearing assembling groove 3, the cylinder body of the heat exchanger is matched with the second pressure-bearing assembling groove 4, the core body and the cylinder body can be enabled to extrude the metal sheets 2 by bending the metal plate 1, so that the metal sheets 2 are stressed and do not rebound, meanwhile, the metal sheet 2 can be more closely contacted with the core body and the cylinder body, so that the effect of side flow sealing is achieved, and the heat exchange efficiency of the equipment is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an all-welded plate shell type bypass flow seal structure for heat exchanger which characterized in that: the bending metal plate comprises bent metal plates (1) which are symmetrically arranged and have obtuse included angles, a plurality of groups of metal sheets (2) with the same structures are inserted into the left side and the right side of each bent metal plate (1), the number of the metal sheets (2) is matched with the bent metal plates (1), the metal sheets (2) and cavities formed between the tops of the bent metal plates (1) are arranged into first pressure-bearing assembling grooves (3), and cavities formed below the bent metal plates (1) are arranged into second pressure-bearing assembling grooves (4).

2. The bypass flow sealing structure for the all-welded plate shell type heat exchanger according to claim 1, wherein: bent metal sheet (1) is including two sets of symmetrical profiled steel sheet (11) that set up, and two sets of the top of profiled steel sheet (11) is passed through arc transition portion (12) welding, and is two sets of bearing plate (13) have all been welded to the bottom of profiled steel sheet (11), just cavity between profiled steel sheet (11) and bearing plate (13) sets up to welding groove (14), the width of welding groove (14) and the thickness looks adaptation of foil (2), just the quantity of foil (2) can be for 1-10.

3. The bypass flow sealing structure for the all-welded plate shell type heat exchanger according to claim 2, wherein: the metal sheet (2) comprises an inserting part (21) matched with the bent metal plate (1), the left end of the inserting part (21) is fixedly welded with a bearing part (22) through a bent part (23), and the thickness of the single group of metal sheets (2) is 0.1-1 mm.

4. The bypass flow sealing structure for the all-welded plate shell type heat exchanger according to claim 2, wherein: the included angle between two sets of profiled steel sheet material (11) is the obtuse angle, just pass through arc transition fillet transition between profiled steel sheet material (11) and pressure-bearing plate (13).

5. The bypass flow sealing structure for the all-welded plate shell type heat exchanger according to claim 3, wherein: the included angle between grafting portion (21) and bearing portion (22) is the obtuse angle, bend portion (23) are the arc welding piece that the radius is 1.2 mm.

6. The bypass flow sealing structure for the all-welded plate shell type heat exchanger according to claim 3, wherein: the inserting part (21) is in welding fit with the welding groove (14), and the number of the metal sheets (2) is changed along with the width of the welding groove (14).