CN218066051U

CN218066051U - Plate heat exchanger capable of preventing internal leakage

Info

Publication number: CN218066051U
Application number: CN202121802389.3U
Authority: CN
Inventors: 廖龙
Original assignee: Wuhan Baishengte Kitchen Equipment Co ltd
Current assignee: Wuhan Baishengte Kitchen Equipment Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-12-16
Anticipated expiration: 2031-08-04

Abstract

The application discloses prevent plate heat exchanger of internal leakage, including front end plate, pillar, lower guide arm, go up guide arm, back end plate, flange pipe, screw rod, nut, backing plate, sealing strip, first heat transfer board, second heat transfer board, solid fixed tube, packing ring, baffle, parting bead, hot water inlet, hot water delivery port, cold water inlet and cold water delivery port. The base plate and the heat exchange plate are arranged, so that cold and hot fluids can circulate, the sealing performance of a joint can be improved by arranging the sealing strip between the base plate and the heat exchange plate, the problem of fluid internal leakage in the heat exchange process is avoided, and the service performance of the heat exchanger is improved; this application is provided with fixed pipe and can realizes that the alternate heat transfer board carries out fluidic circulation each other, and fixed union coupling department sets up the packing ring simultaneously and can improve and connect the leakproofness, is favorable to cold and hot fluidic steady flow, sets up when baffle and parting bead can improve the fluid contact simultaneously, improves the heat transfer effect.

Description

Plate heat exchanger capable of preventing internal leakage

Technical Field

The application relates to the technical field of plate heat exchanger application, in particular to an inner leakage prevention plate heat exchanger.

Background

The plate heat exchanger is an efficient heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, thin rectangular channels are formed among various plates, heat exchange is carried out through the plates, the plate heat exchanger is ideal equipment for carrying out heat exchange between liquid and vapor, and 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 condition of the same pressure loss, the heat transfer coefficient of the plate heat exchanger 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, the heat recovery rate can reach more than 90 percent, the plate heat exchanger mainly has two types of a frame type (detachable type) and a brazing type, and the plate type mainly has three types of a herringbone corrugated plate, a horizontal straight corrugated plate and a tumor-shaped plate.

Plate heat exchangers are devices for exchanging heat between cold and hot fluids, wherein the cold and hot fluids alternately flow in opposite directions at intervals to exchange heat, and the cold and hot fluids are easy to leak when flowing, so that the two fluids are mixed with each other. Therefore, an internal leakage prevention plate heat exchanger is proposed to solve the above problems.

Disclosure of Invention

The plate heat exchanger that provides a leak in preventing in this embodiment is used for solving the plate heat exchanger among the prior art and takes place the leak problem easily.

According to one aspect of the application, an internal leakage prevention plate heat exchanger is provided, which comprises a front end plate, a pillar, a backing plate, a rear end plate, a first heat exchange plate and a second heat exchange plate;

the front end plate passes through lower guide arm and upper guide arm and pillar fixed connection, be equipped with a plurality of backing plate between upper guide arm and the lower guide arm, backing plate lateral wall and sealing strip fixed connection, be equipped with first heat transfer board and second heat transfer board between the backing plate in proper order, inside all fixedly connected with baffle and the parting bead of first heat transfer board and second heat transfer board, first heat transfer board and second heat transfer board all run through fixedly with the solid fixed tube, the solid fixed tube cup joints with the packing ring activity.

Furthermore, a rear end plate is arranged between the upper guide rod and the lower guide rod, and the two ends of the rear end plate and the two ends of the base plate are connected with the surfaces of the upper guide rod and the lower guide rod in a sliding mode.

Further, the front end plate and the rear end plate are provided with notches for embedding screws, the end portions of the screws are in threaded connection with nuts, and the nuts are in contact with the side wall of the rear end plate.

Furthermore, the first heat exchange plate and the second heat exchange plate are the same in shape, the first heat exchange plate and the second heat exchange plate are respectively provided with two partition plates which are distributed in an inclined mode, a plurality of parting beads are uniformly distributed between the partition plates, and the parting beads are distributed in a staggered mode.

Furthermore, the first heat exchange plate is communicated with two fixing pipes, the two fixing pipes are respectively located at opposite angles of the first heat exchange plate, the fixing pipes are respectively in through sleeve joint with the inside of the second heat exchange plate, and the fixing pipes extend to the inside of the other first heat exchange plate.

Furthermore, sealing strips are arranged between the backing plate and the first heat exchange plate and between the backing plate and the second heat exchange plate, the sealing strips are respectively contacted with the edges of the first heat exchange plate and the second heat exchange plate, and the backing plate is contacted with the gasket.

Through the above-mentioned embodiment of this application, the backing plate has been adopted to carry out the connection of heat transfer board, set up the seal structure who prevents interior hourglass between the while, the problem of interior hourglass appears in plate heat exchanger easily has been solved, through the mutual contact between backing plate and the heat transfer board, and realize compressing tightly each other between it through the sealing strip, can realize the sealing performance between heat transfer board and the backing plate, can avoid the interior hourglass phenomenon of cold and hot fluid appearance, can realize cold and hot fluidic interval circulation between the heat transfer board simultaneously, the circulation department passes through the packing ring and realizes compressing tightly sealed, can avoid appearing the leakage problem when fluid transport, guarantee cold and hot fluidic steady flow.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is an overall perspective view of one embodiment of the present application;

FIG. 2 is a schematic front view of an embodiment of the present application;

FIG. 3 is a schematic illustration of a side view at a shim plate according to an embodiment of the present application.

In the figure: 1. the heat exchanger comprises a front end plate, 2, a support column, 3, a lower guide rod, 4, an upper guide rod, 5, a rear end plate, 6, a flange pipe, 7, a screw rod, 8, a nut, 9, a backing plate, 10, a sealing strip, 11, a first heat exchange plate, 12, a second heat exchange plate, 13, a fixed pipe, 14, a gasket, 15, a partition plate, 16, a partition strip, 17, a hot water inlet, 18, a hot water outlet, 19, a cold water inlet, 20 and a cold water outlet.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The monitoring device in this embodiment may be applicable to various plate heat exchangers, for example, the following plate heat exchanger is provided in this embodiment, and the plate heat exchanger in this embodiment may be used as the following plate heat exchanger.

The method comprises the following steps: the front end plate, hot flow channel and cold flow channel have been seted up to the front end plate, the back end plate, back end plate and front end plate parallel arrangement, the guide arm, guide arm fixed connection is between front end plate and back end plate, the guide arm sets up the upper and lower both ends at the front end plate, a plurality of first slab, first slab set up the front end plate with between the back end plate and with front end plate parallel arrangement, adjacent two first slab respectively with hot flow channel and cold flow channel connection, the support groove that is used for the guide arm to pass is seted up to first slab, set up the first recess subassembly and the second recess subassembly of mutual symmetry on the first slab, first seal assembly interval is installed in proper order in first recess subassembly and the second recess subassembly on two adjacent first slabs, still includes: the supporting groove penetrates through the second plate, the second plate is provided with a heat exchange cavity, the foam metal layer is embedded in the heat exchange cavity and does not coincide with the hot flow channel and the cold flow channel, the foam metal layer is provided with a heat exchange channel penetrating through the first plate and the front end plate, the second plate is provided with a third groove component, and a second sealing component is installed in the third groove component. Specifically, the heat flow path includes: the heat flow inlet and the heat flow outlet are respectively arranged on the same side angle of the long edge of the front end plate. Specifically, the cold flow channel includes: and the cold flow inlet and the cold flow outlet are respectively arranged on the same side angle of the long edge on the other side of the front end plate. Specifically, the heat exchange channel includes: the heat exchange device comprises a heat exchange inlet and a heat exchange outlet, wherein the heat exchange inlet is arranged between the heat flow inlet and the cold flow inlet, and the heat exchange outlet is arranged between the heat flow outlet and the cold flow outlet. Specifically, the method further comprises the following steps: an alarm device, the alarm device comprising: the pressure sensor and the liquid storage tank are respectively connected with the heat exchange inlet and the heat exchange outlet. Specifically, the first seal assembly includes: first sealing ring, second sealing ring and first seal frame, first sealing ring sets up the position department at heat flow import and heat flow export, first seal frame does not coincide with heat transfer import, heat transfer export, cold flow import and cold flow export, the second sealing ring sets up the position department at heat transfer import and heat transfer export, the second sealing ring passes through the sealing strip with first seal frame and is connected. Specifically, the second seal assembly includes: the third sealing ring is arranged at the positions of the heat flow inlet, the heat flow outlet, the cold flow inlet and the cold flow outlet, the third sealing ring is respectively connected with the second sealing frame through sealing strips, and the heat exchange inlet and the heat exchange outlet are located within the range of the second sealing frame. Preferably, the first plate is provided with a corrugated structure. Specifically, the ripple structure is herringbone, and the ripple structure is distributed in a staggered mode.

Of course, the present embodiment can also be used for plate heat exchangers of other structures. The description of the plate heat exchanger according to the embodiments of the present application is omitted here.

Referring to fig. 1-3, an internal leakage prevention plate heat exchanger includes a front end plate 1, a pillar 2, a shim plate 9, a rear end plate 5, a first heat exchange plate 11, and a second heat exchange plate 12;

front end plate 1 is through lower guide arm 3 and upper guide arm 4 and pillar 2 fixed connection, be equipped with a plurality of backing plate 9 between upper guide arm 4 and the lower guide arm 3, backing plate 9 lateral wall and sealing strip 10 fixed connection, be equipped with first heat transfer board 11 and second heat transfer board 12 between the backing plate 9 in proper order, first heat transfer board 11 and 12 inside all fixedly connected with baffles 15 of second heat transfer board and parting bead 16, first heat transfer board 11 and second heat transfer board 12 all run through fixedly with fixed pipe 13, fixed pipe 13 cup joints with the 14 activities of packing ring.

A rear end plate 5 is arranged between the upper guide rod 4 and the lower guide rod 3, two ends of the rear end plate 5 and two ends of the cushion plate 9 are connected with the upper guide rod 4 and the surface of the lower guide rod 3 in a sliding manner, and the upper guide rod 4 and the lower guide rod 3 are used for limiting the cushion plate 9 and the rear end plate 5; the front end plate 1 and the rear end plate 5 are both provided with notches for embedding the screw 7, the end part of the screw 7 is in threaded connection with the nut 8, the nut 8 is in contact with the side wall of the rear end plate 5, the screw 7 and the nut 8 are matched to realize the compression between the backing plate 9 and the heat exchange plate, and the sealing performance is improved; the first heat exchange plate 11 and the second heat exchange plate 12 are identical in shape, the first heat exchange plate 11 and the second heat exchange plate 12 are respectively provided with two partition plates 15 which are distributed obliquely, a plurality of parting beads 16 are uniformly distributed between the partition plates 15, the plurality of parting beads 16 are distributed in a staggered manner, and the parting beads 16 are used for prolonging the flowing time of fluid and improving the heat exchange effect; the first heat exchange plate 11 is communicated with two fixed tubes 13, the two fixed tubes 13 are respectively positioned at opposite corners of the first heat exchange plate 11, the fixed tubes 13 are respectively sleeved with the interiors of the second heat exchange plates 12 in a penetrating manner, the fixed tubes 13 extend to the interiors of the other first heat exchange plates 11, and the fixed tubes 13 are used for communicating the first heat exchange plates 11 or the second heat exchange plates 12 which are distributed at intervals, so that fluid can flow among the first heat exchange plates 11 or the second heat exchange plates 12; all be equipped with sealing strip 10 between backing plate 9 and first heat transfer board 11 and the second heat transfer board 12, sealing strip 10 contacts first heat transfer board 11 and second heat transfer board 12 edge respectively, backing plate 9 contact packing ring 14, packing ring 14 are used for the sealed of fixed pipe 13 and first heat exchange tube or second heat exchange tube junction, leak the problem in effectively preventing appearing.

When the utility model is used, the backing plate 9 is arranged between the upper guide rod 4 and the lower guide rod 3, the first heat exchange plate 11 and the second heat exchange plate 12 are arranged between the backing plate 9 at intervals, after the first heat exchange plate 11 is arranged, the second heat exchange plate 12 is arranged to pass through the fixed pipe 13 on the first heat exchange plate 11, when the second first heat exchange plate 11 is arranged, the second heat exchange plate is communicated with the fixed pipe 13, simultaneously, the first heat exchange plate 11 and the second heat exchange plate 12 are both contacted with the sealing strip 10 to realize the sealing contacted with the backing plate 9 in the coming year, when the second heat exchange plate 12 is arranged on the fixed pipe 13, the second heat exchange plate is propped against the gasket 14 to realize the sealing of the joint of the fixed pipe 13 and the second heat exchange plate 12, and simultaneously, the fixed plate passes through the opposite angle of the second heat exchange plate 12, the position of passing is located two baffles 15 departments, when carrying out the fluid circulation, carry out the pipe connection with flange pipe 6, make hot water get into through the hot water inlet tube, and discharge from hot water delivery port 18, cold water gets into through the cold water inlet tube, and discharge from cold water delivery port 20, cold and hot water flows in opposite directions, it is long when improving the fluid contact through parting bead 16 simultaneously, improve the heat transfer effect, and can avoid cold and hot fluid to appear interior hourglass problem through sealing strip 10 and packing ring 14, the practicality of heat exchanger is improved, backing plate 9, first heat transfer board 11 and second heat transfer board 12 compress tightly through rear end plate 5, through screwing up nut 8, through the mutual compression seal between the cooperation realization of screw rod 7 and nut 8.

The application has the advantages that:

1. the base plate and the heat exchange plate are arranged, so that cold and hot fluids can circulate, the sealing performance of a joint can be improved by arranging the sealing strip between the base plate and the heat exchange plate, the problem of fluid internal leakage in the heat exchange process is avoided, and the service performance of the heat exchanger is improved;

2. this application is provided with fixed pipe and can realizes that the alternate heat transfer board carries out fluidic circulation each other, and fixed union coupling department sets up the packing ring simultaneously and can improve and connect the leakproofness, is favorable to cold and hot fluidic steady flow, sets up when baffle and parting bead can improve the fluid contact simultaneously, improves the heat transfer effect.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a prevent interior board heat exchanger who leaks which characterized in that: comprises a front end plate (1), a strut (2), a backing plate (9), a rear end plate (5), a first heat exchange plate (11) and a second heat exchange plate (12);

front end plate (1) is through lower guide arm (3) and last guide arm (4) and pillar (2) fixed connection, it is equipped with a plurality of backing plate (9) to go up between guide arm (4) and lower guide arm (3), backing plate (9) lateral wall and sealing strip (10) fixed connection, be equipped with first heat transfer board (11) and second heat transfer board (12) between backing plate (9) in proper order, inside all fixedly connected with baffle (15) and parting bead (16) of first heat transfer board (11) and second heat transfer board (12), first heat transfer board (11) and second heat transfer board (12) all run through fixedly with fixed pipe (13), fixed pipe (13) and packing ring (14) activity cup joint.

2. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: and a rear end plate (5) is arranged between the upper guide rod (4) and the lower guide rod (3), and the two ends of the rear end plate (5) and the two ends of the backing plate (9) are in sliding connection with the surfaces of the upper guide rod (4) and the lower guide rod (3).

3. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the front end plate (1) and the rear end plate (5) are provided with notches used for embedding of the screw rods (7), the end portions of the screw rods (7) are in threaded connection with the nuts (8), and the nuts (8) are in contact with the side wall of the rear end plate (5).

4. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the heat exchanger is characterized in that the first heat exchange plate (11) and the second heat exchange plate (12) are identical in shape, the first heat exchange plate (11) and the second heat exchange plate (12) are respectively provided with two partition plates (15) which are distributed obliquely, a plurality of parting beads (16) are uniformly distributed between the partition plates (15), and the parting beads (16) are distributed in a staggered mode.

5. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the first heat exchange plate (11) is communicated with two fixing pipes (13), the two fixing pipes (13) are respectively located at opposite angles of the first heat exchange plate (11), the fixing pipes (13) are respectively sleeved with the inner portion of the second heat exchange plate (12) in a penetrating mode, and the fixing pipes (13) extend to the inner portion of the other first heat exchange plate (11).

6. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: all be equipped with sealing strip (10) between backing plate (9) and first heat transfer board (11) and second heat transfer board (12), sealing strip (10) contact first heat transfer board (11) and second heat transfer board (12) edge respectively, backing plate (9) contact packing ring (14).