CN219083869U

CN219083869U - All-welded heat exchanger

Info

Publication number: CN219083869U
Application number: CN202223064016.8U
Authority: CN
Inventors: 张�浩; 李金鹏; 王震; 王晶; 李继庆
Original assignee: Tianjin Wanhua Co ltd
Current assignee: Tianjin Wanhua Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-26
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses an all-welded heat exchanger, which belongs to the technical field of heat exchange equipment and comprises a plurality of first water passing units and a plurality of second water passing units, wherein the first water passing units and the second water passing units are arranged in a crossed and laminated mode. The first water passing unit comprises a first baffle plate and a first single plate, the first baffle plate is welded along the edge of the second water passing unit through the first single plate, a first water inlet end and a first water outlet end are formed at the blank of the first baffle plate and the first single plate, the first water inlet end and the first water outlet end are diagonally arranged, and a first flow direction is formed between the first water inlet end and the first water outlet end; the second water passing unit comprises a second baffle and a second single sheet, the second baffle is welded along the edge of the first water passing unit through the second single sheet, a second water inlet end and a second water outlet end are formed at the blank of the second baffle and the second single sheet, the second water inlet end and the second water outlet end are diagonally arranged, a second flow direction is formed between the second water inlet end and the second water outlet end, and the problem of low heat exchange capacity efficiency in the prior art is solved.

Description

All-welded heat exchanger

Technical Field

The utility model relates to the technical field of heat exchange equipment, in particular to an all-welded heat exchanger.

Background

The heat exchanger is energy-saving equipment for realizing heat transfer between two fluids with different temperatures, so that heat is transferred from fluid with higher temperature to fluid with lower temperature, the temperature of the fluid can meet the requirements of process conditions, and the heat exchanger is one of main equipment for improving the energy utilization rate; it has important position in chemical industry, petroleum, power, food and other industrial production and has wide application. At present, although the heat exchangers are more in variety, the heat exchangers cannot be miniaturized in application working conditions above 300 ℃ due to the influence of sealing materials and welding materials, and the heat exchange capacity is high-efficient.

In the prior art, the patent application number is 201120223227.4, the name is all-welded plate heat exchanger plate bundle, and the heat energy exchange of fluid media is realized by arranging a plurality of first heat exchange plates, a plurality of second heat exchange plates, plate bundles, plate-to-plate flow channels and the like, but a plurality of problems exist in the prior art: (1) low heat energy exchange efficiency between different liquid media; (2) The exchanger has low pressure bearing capacity and is not flexible to install in confined spaces.

Therefore, a heat exchanger which can realize high heat exchange efficiency under the working condition of high temperature difference, is flexible to install and is convenient for equipment layout needs to be developed.

Disclosure of Invention

Therefore, the utility model provides an all-welded heat exchanger, which solves the problems of inconvenient use and influence on the operation efficiency caused by low heat exchange efficiency and inflexible installation in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the all-welded heat exchanger provided by the utility model comprises a plurality of first water passing units and a plurality of second water passing units, wherein the first water passing units and the second water passing units are arranged in a crossed and laminated mode.

Further, the first water passing unit comprises a first partition plate and a first single plate, the first partition plate is welded and arranged along the edge of the second water passing unit through the first single plate, a first water inlet end and a first water outlet end are formed at the vacant positions of the first partition plate and the first single plate, the first water inlet end and the first water outlet end are diagonally arranged, and a first flow direction is formed between the first water inlet end and the first water outlet end.

Further, the second water passing unit comprises a second baffle and a second single sheet, the second baffle is welded and arranged along the edge of the first water passing unit through the second single sheet, the second baffle and a second water inlet end and a second water outlet end are formed at the vacant positions of the second single sheet, the second water inlet end and the second water outlet end are diagonally arranged, a second flow direction is formed between the second water inlet end and the second water outlet end, and the first flow direction and the second flow direction are in X-shaped crossed arrangement.

Further, the water collecting device is also provided with an end socket, the end socket is symmetrically welded at the first water inlet end, the second water inlet end, the first water outlet end and the second water outlet end, and the end socket, the first water passing unit and the second water passing unit form a water collecting cavity.

Further, the head includes L template and round hole, the round hole sets up on the L template, just the round hole corresponds first water inlet end with second water inlet end entry and the export of first water outlet end and second water outlet end.

Further, the sealing head is further provided with a front guard plate and a rear guard plate, the front guard plate and the rear guard plate are respectively and overlapped with the first water passing unit and the second water passing unit, the inner side face of the sealing head is welded and attached to the upper edge, the lower edge and the side edges of the front guard plate and the rear guard plate.

Further, the front guard plate and the rear guard plate are rectangular and have the same width as the overlapping combination of the first water passing unit and the second water passing unit.

Further, the first single piece and the second single piece are made of 316L stainless steel materials, and the thickness of the first single piece and the second single piece is 1.2-1.5 mm.

The utility model has the following advantages:

1. the first water passing unit and the second water passing unit are alternately stacked to form an X-shaped cross flow direction, so that the heat exchange area between liquid media is increased, the heat energy exchange heat loss between different liquid media is small, the energy is saved, and the optimal heat exchange efficiency can be achieved.

2. Under the working condition of high temperature difference, the heat exchange equipment saves the space of the equipment because the first water passing unit and the second water passing unit are arranged in a crossed and laminated mode, so that the equipment is smaller in size, convenient to flexibly install in a narrow space, and convenient to arrange and operate subsequently.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic view of a water passing unit of an all-welded heat exchanger provided by the utility model;

FIG. 2 is an overall appearance of the present utility model;

FIG. 3 is a perspective view of the structure provided by the present utility model;

FIG. 4 is a front view of the present utility model;

in the figure: 1. a first water-passing unit; 101. a first separator; 102. a first monolithic; 2. a second water passing unit; 201. a second separator; 202. a second monolithic; 3. a seal head; an l-shaped plate; 302. a round hole; 4. a first water inlet end; 5. a first water outlet end; 6. a second water inlet end; 7. a second water outlet end; 8. a front guard board; 9. and a rear guard board.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to the accompanying drawings:

the embodiment of the application provides an all-welded heat exchanger, and aims to solve the problems of low heat exchange efficiency, inconvenient installation and the like in the prior art.

as shown in fig. 1, an all-welded heat exchanger comprises a plurality of first water passing units 1 and a plurality of second water passing units 2, wherein the plurality of first water passing units 1 and the plurality of second water passing units 2 are arranged in a cross lamination manner; the first water passing unit 1 and the second water passing unit 2 are 160mm in width, and the length of the connecting line of the farthest vertex is 300mm.

Specifically, as shown in fig. 2 and fig. 4, the first water passing unit 1 includes a first partition board 101 and a first single board 102, where the first partition board 101 is welded to the edge of the second water passing unit 2 by the first single board 102, a first water inlet end 4 and a first water outlet end 5 are formed at a gap between the first partition board 101 and the first single board 102, the first water inlet end 4 and the first water outlet end 5 are diagonally arranged, and a first flow direction is formed between the first water inlet end 4 and the first water outlet end 5.

Specifically, as shown in fig. 2 and fig. 4, the second water passing unit includes a second separator 201 and a second single sheet 202, the second separator 201 is welded and disposed along the edge of the first water passing unit 1 by the second single sheet 202, the gaps of the second separator 201 and the second single sheet 202 form a second water inlet end 6 and a second water outlet end 7, the second water inlet end 6 and the second water outlet end 7 are diagonally arranged, a second flow direction is formed between the second water inlet end 6 and the second water outlet end 7, and the first flow direction and the second flow direction are in an X-shaped cross arrangement. The cold heat exchange liquid adopts the lower inlet and upper outlet, the hot heat exchange liquid adopts the upper inlet and lower outlet to optimize the heat exchange capacity, and the temperature change rate of 100 ℃/hour can be ensured. The four corners of the combination body formed by the cross lamination of the first water passing unit 1 and the second water passing unit 2 can be welded with liquid inlet and outlet pipe fittings and fittings in different forms, and the working temperature can reach 350 ℃.

As shown in fig. 2, an end enclosure 3 is further provided, the end enclosure 3 is symmetrically welded at a first water inlet end 4, a second water inlet end 6, a first water outlet end 5 and a second water outlet end 7, the end enclosure 3, the first water passing unit 1 and the second water passing unit 2 form a water collecting cavity, and an argon arc welding full-welding mode is adopted between the end enclosure 3 and the first water passing unit 1 and the second water passing unit 2.

Specifically, as shown in fig. 3, the seal head 3 includes an L-shaped plate 301 and a circular hole 302, the circular hole 302 is disposed on the L-shaped plate 301, and the circular hole 302 corresponds to the inlets of the first water inlet end 4 and the second water inlet end 6 and the outlets of the first water outlet end 5 and the second water outlet end 7, so as to facilitate the inflow and outflow of the operation liquid medium.

As shown in fig. 2 and 3, a front guard plate 8 and a rear guard plate 9 are further arranged, the front guard plate 8 and the rear guard plate 9 are respectively welded and attached to the front surface and the rear surface of the overlapping combination of the first water passing unit 1 and the second water passing unit 2, and the inner side surface of the sealing head 3 is welded with the upper edge, the lower edge and the side edge of the front guard plate 8 and the rear guard plate 9 by adopting an argon arc welding process.

Wherein, the front guard plate 8 and the rear guard plate 9 are rectangular, and have the same width as the overlapping combination of the first water passing unit 1 and the second water passing unit 2, the length is 300mm, and the width is 160mm.

Specifically, the first single piece 102 and the second single piece 202 are made of 316L stainless steel material, and the thickness is 1.2-1.5 mm; the front guard plate 8 and the rear guard plate 9 at the outermost side are designed in a thickening manner so as to ensure the design bearing pressure.

1. When the two different liquid mediums are used, the liquid mediums A and B respectively enter a first flow direction and a second flow direction from the first water inlet end 4 and the second water inlet end 6.

2. The first flow direction and the second flow direction heat exchange channels in the interior are in an X shape, so that the heat exchange efficiency of the liquid medium A and the liquid medium B optimally reaches the optimal temperature; in operation, the four corners of the crossed lamination combination of the first water passing units 1 and the second water passing units 2 are contacted with the parts to be welded for welding, and liquid inlet and outlet pipes and fittings in different forms can be welded.

3. When the welding is finished, the liquid medium A and the liquid medium B flow out of the heat exchange equipment from the first water outlet end 5 and the second water outlet end 6; the heat exchange flow direction channels of the front guard plate 8 and the rear guard plate 9 and the first flow passage unit 1 and the second flow passage unit 2 are completely sealed, and the heat exchange efficiency of the device is improved by adopting an argon arc welding full-welding mode.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The all-welded heat exchanger is characterized by comprising a plurality of first water passing units and a plurality of second water passing units, wherein the first water passing units and the second water passing units are arranged in a crossed and laminated mode;

the first water passing unit comprises a first baffle plate and a first single sheet, the first baffle plate is welded and arranged along the edge of the second water passing unit through the first single sheet, a first water inlet end and a first water outlet end are formed at the vacant positions of the first baffle plate and the first single sheet, the first water inlet end and the first water outlet end are diagonally arranged, and a first flow direction is formed between the first water inlet end and the first water outlet end;

the second water passing unit comprises a second baffle and a second single sheet, the second baffle is welded and arranged along the edge of the first water passing unit through the second single sheet, a second water inlet end and a second water outlet end are formed at the gap of the second baffle and the second single sheet, the second water inlet end and the second water outlet end are diagonally arranged, a second flow direction is formed between the second water inlet end and the second water outlet end, and the first flow direction and the second flow direction are in X-shaped cross arrangement.

2. The all-welded heat exchanger of claim 1, further comprising an end enclosure symmetrically welded to the first water inlet end, the second water inlet end, the first water outlet end, and the second water outlet end, wherein the end enclosure, the first water passing unit, and the second water passing unit form a water collecting chamber.

3. The all-welded heat exchanger of claim 2, wherein the head comprises an L-shaped plate and a circular hole disposed in the L-shaped plate, and wherein the circular hole corresponds to the first water inlet end and the second water inlet end inlets and the first water outlet end and the second water outlet end outlets.

4. The all-welded heat exchanger of claim 3, further comprising a front guard plate and a rear guard plate, wherein the front guard plate and the rear guard plate are respectively attached to the front surface and the rear surface of the first water passing unit and the second water passing unit in an overlapping combination mode, and the inner side surfaces of the sealing heads are attached to the upper edges, the lower edges and the side edges of the front guard plate and the rear guard plate in a welding mode.

5. The all-welded heat exchanger of claim 4, wherein the front and rear shields are rectangular and are equally wide in overlapping combinations with the first and second water passing units.

6. The all-welded heat exchanger of claim 1, wherein the first and second monoliths are of 316L stainless steel material and have a thickness of 1.2 to 1.5mm.