CN219347454U

CN219347454U - Plate heat exchanger

Info

Publication number: CN219347454U
Application number: CN202223136518.7U
Authority: CN
Inventors: 黄勇; 承佳
Original assignee: Furfa Jiangsu Heat Exchange Equipment Manufacturing Co ltd
Current assignee: Furfa Jiangsu Heat Exchange Equipment Manufacturing Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-14
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a plate heat exchanger, which comprises a fixed compression plate, wherein an upper guide rod is fixedly arranged at the top end of the rear side of the fixed compression plate through bolts, a lower guide rod is fixedly arranged at the bottom of the rear side of the fixed compression plate through bolts, fixed sliding rails are arranged at the bottom of the upper guide rod and the top end of the lower guide rod, sliding grooves are formed in the ends of the upper guide rod and the lower guide rod, movable sliding rails are inserted and arranged in the sliding grooves, the movable sliding rails are in sliding connection with the sliding grooves, guide rod brackets are fixedly arranged at the ends of the upper guide rod and the lower guide rod through bolts, through holes are formed in the two ends of the guide rod brackets, and connecting plates are arranged on the two side walls of the guide rod brackets.

Description

Plate heat exchanger

Technical Field

The utility model relates to the technical field of plate heat exchangers, in particular to a plate heat exchanger.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is ideal equipment for liquid-liquid and liquid-vapor heat exchange. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the same pressure loss, the heat transfer coefficient is 3-5 times higher than that of the tubular heat exchanger, the occupied area is one third of that of the tubular heat exchanger, and the heat recovery rate can be up to more than 90%.

The slab of plate radiator is installed between last guide arm and lower guide arm, through the recess at slab both ends and last guide arm and the slide rail block on the lower guide arm, and realize sliding through this slide rail, but after last guide arm and the guide arm leg joint of lower guide arm rear end, the length of slab is greater than the interval between last guide arm and the lower guide arm, consequently the slab is difficult to block into in the slide rail on last guide arm and the lower guide arm, the operation is comparatively difficult when installing and dismantling the slab, and the slab is in the slip in-process, the recess at slab both ends rubs with the slide rail, because the slab is thinner, consequently edge very easily takes place wearing and tearing, warp, influence overall stability.

Therefore, there is a need for a plate heat exchanger that facilitates the installation and removal of the plates.

Disclosure of Invention

The utility model aims to overcome the defects and provide the plate heat exchanger with convenient plate installation and disassembly.

The purpose of the utility model is realized in the following way:

the utility model provides a plate heat exchanger, includes fixed pressure strip, the top of fixed pressure strip rear side is through bolt fixed mounting there being upper guide arm, the bottom of fixed pressure strip rear side is through bolt fixed mounting there being lower guide arm, the bottom of upper guide arm reaches the top of lower guide arm all is provided with fixed slide rail, upper guide arm reaches the spout has been seted up to the tip of lower guide arm, movable slide rail is installed in the spout interpolation, movable slide rail and spout sliding connection, the tip of upper guide arm and lower guide arm is through bolt fixed mounting there being the guide arm support, the through-hole has been seted up at the both ends of guide arm support, be provided with the connecting plate on the both sides wall of guide arm support, the clamp plate is installed in the outside of guide arm support, the both ends and the connecting plate pass through bolt fastening, slidable mounting has slab and movable pressure strip between upper guide arm and the lower guide arm, the backplate is installed in grafting at the both ends of slab, fixed pressure strip with the both sides of movable pressure strip are fixed through fastening bolt and nut.

Preferably, the movable slide rail is of a plate-shaped structure with an I-shaped cross section, and one end of the movable slide rail is abutted with the fixed slide rail.

Preferably, the pressing plate is of a rectangular plate-shaped structure, plate-shaped protrusions with the same size as the through holes are arranged on the inner side walls of the pressing plate, and the other ends of the movable sliding rails are abutted to the plate-shaped protrusions.

Preferably, the through holes are square holes, and the through holes are positioned on the outer sides of the movable sliding rails.

Preferably, the guard plate comprises a guard plate main body and side guard plates positioned on two sides of the guard plate main body, wherein the side guard plates are formed by bending, and the bending angle of the side guard plates is 90 degrees.

Preferably, the side guard plates are wrapped on two sides of grooves at two ends of the plate, and the side guard plates are connected with the plate in a welded mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the plate heat exchanger, the movable sliding rail is connected with the upper guide rod and the lower guide rod in a sliding manner, the outer side of the movable sliding rail is provided with the through hole, and the movable sliding rail can penetrate through the guide rod bracket through the through hole when sliding outwards, so that a groove is formed between the movable sliding rail and the fixed sliding rail, a plate sheet can be arranged between the upper guide rod and the lower guide rod through the groove, two ends of the plate sheet can be conveniently clamped and arranged on the fixed sliding rail, and the plate sheet is convenient to install and detach and operate;

2. according to the plate heat exchanger, the pressing plate is arranged on the outer side of the guide rod support, the pressing plate is of a rectangular plate-shaped structure, the inner side wall of the pressing plate is provided with the plate-shaped bulge with the same size as the through hole, the other end of the movable sliding rail is abutted against the plate-shaped bulge, the plate-shaped bulge can be inserted into the through hole to seal the through hole, the movable sliding rail is limited and fixed through the pressing plate, the movable sliding rail is prevented from sliding outwards, and the plate is prevented from falling off;

3. according to the plate heat exchanger, the guard plates are welded and installed in the grooves at the two ends of the plate, the guard plate main body plays a role in protecting the edge of the plate, abrasion and deformation in the sliding process of the plate are prevented, the side guard plates play a role in protecting the two sides of the edge, the structural firmness of the plate is improved, and meanwhile the guard plates are convenient to fix.

Drawings

Fig. 1 is a schematic perspective view of a plate heat exchanger according to the present utility model.

Fig. 2 is a schematic view of the rear side structure of a plate heat exchanger according to the present utility model.

Fig. 3 is a schematic structural view of an upper guide rod and a lower guide rod of a plate heat exchanger according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

Fig. 5 is a schematic diagram of explosion structures of an upper guide rod and a lower guide rod of a plate heat exchanger according to the present utility model.

Fig. 6 is a schematic diagram of an exploded plate structure of a plate heat exchanger according to the present utility model.

Fig. 7 is a schematic view of a plate heat exchanger according to the present utility model.

Wherein: the device comprises a fixed compression plate 1, an upper guide rod 2, a lower guide rod 3, a fixed slide rail 4, a slide groove 5, a movable slide rail 6, a guide rod bracket 7, a through hole 8, a connecting plate 9, a pressing plate 10, a plate 11, a guard plate 12, a guard plate main body 12.1, a side guard plate 12.2, a movable compression plate 13 and a fastening bolt 14.

Description of the embodiments

Referring to fig. 1 to 7, the plate heat exchanger according to the present utility model includes a fixed hold-down plate 1, an upper guide rod 2 and a lower guide rod 3 are respectively located at the top and bottom of the rear side of the fixed hold-down plate 1, the ends of the upper guide rod 2 and the lower guide rod 3 are fixed by a guide rod bracket 7, a plate 11 and a movable hold-down plate 13 are slidably mounted between the upper guide rod 2 and the lower guide rod 3, fixed slide rails 4 are respectively disposed on the outer walls of the bottom of the upper guide rod 2 and the outer walls of the top of the lower guide rod 3, the plate 11 is mounted on the fixed slide rails 4 by the grooves at both ends in a clamping manner, and a guard plate 12 is mounted in the grooves at both ends of the plate 11 in an inserted manner, the guard plate 12 includes a guard plate body 12.1 and side guard plates 12.2 located at both sides of the guard plate body 12.1, the side guard plates 12.2 are formed by bending by 90 degrees, and the side guard plates 12.2 are wrapped at both sides of the grooves at both ends of the plate 11 and are welded and connected with the plate 11, so that wear and deformation are prevented in the sliding process of the plate 11, and the side guard plates 12.2 play a role in protecting function against both sides at the edges, so that the plate 11 are convenient in fixing structure of the guard plates 12.

The sliding groove 5 is formed in the end portions of the upper guide rod 2 and the lower guide rod 3, the plate-shaped movable sliding rail 6 with the cross section being I-shaped is inserted and installed in the sliding groove 5, sliding connection between the movable sliding rail 6 and the sliding groove 5 is achieved, square through holes 8 are formed in the two ends of the guide rod support 7, the through holes 8 are located on the outer side of the movable sliding rail 6, the guide rod support 7 is penetrated through the through holes 8 when the movable sliding rail 6 slides outwards, a groove is formed between the movable sliding rail 6 and the fixed sliding rail 4, the plate 11 can be installed between the upper guide rod 2 and the lower guide rod 3 through the groove, two ends of the plate 11 are conveniently clamped and installed on the fixed sliding rail 4, and installation, disassembly and operation of the plate 11 are facilitated.

The two side walls of the guide rod support 7 are provided with the connecting plates 9, the outer sides of the guide rod support 7 are provided with the pressing plates 10, the two ends of the pressing plates 10 are fixed with the connecting plates 9 through bolts, the pressing plates 10 are of rectangular plate-shaped structures, the inner side walls of the pressing plates 10 are provided with plate-shaped bulges with the same size as the through holes 8, the other ends of the movable sliding rails 6 are abutted with the plate-shaped bulges, the plate-shaped bulges can be inserted into the through holes 8 to seal the through holes 8, and the pressing plates 10 are used for limiting and fixing the movable sliding rails 6 to prevent the movable sliding rails 6 from outwards sliding and prevent the plates 11 from falling off.

The two sides of the fixed compression plate 1 and the movable compression plate 13 are fixed through fastening bolts 14 and nuts.

The utility model relates to a plate heat exchanger, which has the working principle that: when the plate 11 is required to be installed, the movable compression plate 13 is firstly slid along the upper guide rod 2 and the lower guide rod 3 to the end close to the guide rod bracket 7, then the bolts of the fixed compression plate 10 are loosened, the compression plate 10 is taken down, the movable sliding rail 6 is pulled outwards, the end part of the movable sliding rail 6 extends out of the guide rod bracket 7 through the through hole 8, a groove is formed between the movable sliding rail 6 and the fixed sliding rail 4, the plate 11 is inserted and installed in the groove, two ends of the plate 11 are clamped on the fixed sliding rail 4 and are in sliding connection with the fixed sliding rail 4, then the plate 11 is slid along the fixed sliding rail 4 to the end close to the fixed compression plate 1, a proper number of plates 11 are sequentially installed according to the method, after the plate 11 is installed, the movable sliding rail 6 is pushed inwards until the end part of the movable sliding rail 6 is abutted against the fixed sliding rail 4, then the compression plate 10 is installed on the outer side of the guide rod bracket 7, the bulge on the compression plate 10 is inserted into the through hole 8 and abutted against the other end of the movable sliding rail 6, the fixed compression plate 10, the movable compression plate 13 is slid and the plate 11 is compressed, and the plate 11 is fixed with the compression nut 1 through the fastening 14 and the compression plate 1.

In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.

Claims

1. A plate heat exchanger, characterized in that: including fixed pressure strip (1), the top of fixed pressure strip (1) rear side is through bolt fixed mounting has upper guide arm (2), the bottom of fixed pressure strip (1) rear side is through bolt fixed mounting has lower guide arm (3), the bottom of upper guide arm (2) reaches the top of lower guide arm (3) all is provided with fixed slide rail (4), upper guide arm (2) reaches spout (5) have been seted up to the tip of lower guide arm (3), spout (5) are inserted and are installed movable slide rail (6), movable slide rail (6) and spout (5) sliding connection, the tip of upper guide arm (2) and lower guide arm (3) is through bolt fixed mounting has guide arm support (7), through-hole (8) have been seted up at the both ends of guide arm support (7), be provided with connecting plate (9) on the both sides wall of guide arm support (7), clamp plate (10) both ends and connecting plate (9) are through bolt fastening, install push plate (11) between upper guide arm (2) and lower guide arm (3) and slider (11) are installed to the both ends of sheet (13), the two sides of the fixed compression plate (1) and the two sides of the movable compression plate (13) are fixed through fastening bolts (14) and nuts.

2. A plate heat exchanger according to claim 1, wherein: the movable slide rail (6) is of a plate-shaped structure with an I-shaped cross section, and one end of the movable slide rail (6) is abutted with the fixed slide rail (4).

3. A plate heat exchanger according to claim 1 or 2, wherein: the pressing plate (10) is of a rectangular plate-shaped structure, plate-shaped protrusions with the same size as the through holes (8) are arranged on the inner side wall of the pressing plate (10), and the other end of the movable sliding rail (6) is abutted to the plate-shaped protrusions.

4. A plate heat exchanger according to claim 1, wherein: the through holes (8) are square holes, and the through holes (8) are positioned on the outer sides of the movable sliding rails (6).

5. A plate heat exchanger according to claim 1, wherein: the guard board (12) comprises a guard board main body (12.1) and side guard boards (12.2) arranged on two sides of the guard board main body (12.1), wherein the side guard boards (12.2) are formed by bending, and the bending angle of the side guard boards (12.2) is 90 degrees.

6. A plate heat exchanger according to claim 5, wherein: the side guard plates (12.2) are wrapped on two sides of grooves at two ends of the plate (11), and the side guard plates (12.2) are connected with the plate (11) in a welding mode.