CN213543309U

CN213543309U - Plate heat exchanger with double-channel inlet

Info

Publication number: CN213543309U
Application number: CN202022407036.5U
Authority: CN
Inventors: 谭会明; 谭钢; 唐宏斌
Original assignee: Zhuzhou Hong Xin Industrial Co ltd
Current assignee: Zhuzhou Hong Xin Industrial Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-25
Anticipated expiration: 2030-10-26

Abstract

The application discloses a plate heat exchanger with a double-channel inlet, which comprises a front end plate, a rear end plate, a connecting mechanism and a heat exchange mechanism, wherein the front end plate is provided with a front inlet and a rear inlet; the connecting mechanism comprises a guide rod, a limiting rod, a connecting screw rod and a fiber screw rod; the heat exchange mechanism comprises a first hot water pipe, a second hot water pipe, a third hot water pipe and a heat exchange plate. The two hot water pipes are arranged to conveniently realize effective circulation of hot water, and the two hot water pipes are matched with opposite circulation of the cold water pipe to realize heat exchange; this application is favorable to carrying on spacingly to the heat exchanger plate through being provided with the gag lever post, conveniently effectively assembles, is favorable to carrying out quick fixed to front end plate and rear end plate through being provided with limit screw, makes things convenient for plate heat exchanger's effective installation, improves the convenience of operation.

Description

Plate heat exchanger with double-channel inlet

Technical Field

The application relates to a plate heat exchanger, in particular to a plate heat exchanger with a double-channel inlet.

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 among various plate sheets, and heat exchange is carried out through the plate sheets. The plate heat exchanger is an ideal device for heat exchange of liquid-liquid and liquid-vapor. 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 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 comprises two types of frames and brazing types, and the plate type mainly comprises three types of herringbone corrugated plates, horizontal straight corrugated plates and tumor-shaped plates.

The plate heat exchanger is a heat exchange device formed by stacking a plurality of metal sheets, the plate heat exchanger is low in heat exchange efficiency when in use, hot water is not easy to effectively circulate when heat exchange is carried out, the plate heat exchanger is inconvenient to install, and the operation difficulty is increased when the plate heat exchanger is fixedly assembled. Therefore, the plate heat exchanger with the double-channel inlet is provided for solving the problems.

Disclosure of Invention

A plate heat exchanger with a double-channel inlet comprises a front end plate, a rear end plate, a connecting mechanism and a heat exchange mechanism;

the connecting mechanism comprises a guide rod, a limiting rod, a connecting screw rod and a fiber screw rod, the end part of the guide rod is fixedly connected with the connecting screw rod, the connecting screw rod is respectively penetrated and spliced with a front end plate and a rear end plate, the end part of the connecting screw rod is in threaded connection with a connecting nut, the front end plate and the limiting plate are both provided with grooves, the insides of the grooves are in embedded connection with the limiting screw rod, and the end part of the limiting screw rod is in threaded connection with the limiting nut;

the heat exchange mechanism comprises a first hot water pipe, a second hot water pipe, a third hot water pipe and heat exchange plates, the first hot water pipe and the second hot water pipe are fixedly penetrated through a front end plate, one side of the front end plate is communicated with a first cold water pipe and a second cold water pipe respectively, the third hot water pipe is fixedly penetrated through a limiting plate, and the plurality of heat exchange plates are arranged between the front end plate and the limiting plate.

Furthermore, the bottom of the front end plate and the bottom of the rear end plate are both provided with horizontal supporting plates, one side of the front end plate is respectively provided with a first hot water pipe and a second hot water pipe, and the first cold water pipe and the second cold water pipe on the other side of the front end plate respectively correspond to the first hot water pipe and the second cold water pipe.

Furthermore, the number of the guide rods is two, the two guide rods are located between the front end plate and the rear end plate, two limiting rods are arranged on the adjacent surfaces of the two guide rods, and the limiting rods are connected with the inner portion of the opening formed in the heat exchange plate in a sliding mode.

Furthermore, the inside of the limiting plate is penetrated through and slidably connected with the guide rod, a third hot water pipe is arranged at the top of the limiting plate, and the third hot water pipe corresponds to the first hot water pipe.

Furthermore, a plurality of limiting screws are uniformly distributed on the two sides of the front end plate and the limiting plate, a limiting nut is arranged at the end part of each limiting screw, and the limiting nuts contact with the side wall of the limiting plate.

Furthermore, the number of the heat exchange plates is a plurality, each heat exchange plate is spliced with each other, and a channel for fluid flowing is formed between each heat exchange plate.

The beneficial effect of this application is: the application provides a plate heat exchanger of binary channels import that convenient equipment just has high-efficient heat transfer function.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic front view of an embodiment of the present application;

FIG. 2 is a side view of a front endplate in accordance with an embodiment of the present application;

fig. 3 is a schematic side view of a heat exchange plate according to an embodiment of the present application.

In the figure: 1. front end plate, 2, back end plate, 3, guide arm, 4, gag lever post, 5, connecting screw, 6, coupling nut, 7, fluting, 8, limiting screw, 9, limiting nut, 10, limiting plate, 11, first hot-water line, 12, second hot-water line, 13, first cold-water line, 14, second cold-water line, 15, third hot-water line, 16, heat transfer board.

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 drawings described above 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 such that embodiments of the application described herein may be used. 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 appropriate.

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 embodiments with reference to the attached drawings.

Referring to fig. 1-3, a plate heat exchanger with a dual channel inlet includes a front end plate 1, a rear end plate 2, a connecting mechanism and a heat exchanging mechanism;

the connecting mechanism comprises a guide rod 3, a limiting rod 4, a connecting screw rod 5 and a fiber screw rod, the end part of the guide rod 3 is fixedly connected with the connecting screw rod 5, the connecting screw rod 5 is respectively inserted into the front end plate 1 and the rear end plate 2 in a penetrating manner, the end part of the connecting screw rod 5 is in threaded connection with a connecting nut 6, the front end plate 1 and the limiting plate 10 are both provided with a notch 7, the inside of the notch 7 is connected with a limiting screw rod 8 in an embedded manner, and the end part of the limiting screw rod 8 is in threaded connection with a limiting nut 9;

the heat exchange mechanism comprises a first hot water pipe 11, a second hot water pipe 12, a third hot water pipe 15 and heat exchange plates 16, the first hot water pipe 11 and the second hot water pipe 12 are fixedly penetrated with a front end plate 1, one side of the front end plate 1 is respectively communicated with a first cold water pipe 13 and a second cold water pipe 14, the third hot water pipe 15 is fixedly penetrated with a limiting plate 10, and a plurality of heat exchange plates 16 are arranged between the front end plate 1 and the limiting plate 10.

The bottom parts of the front end plate 1 and the rear end plate 2 are respectively provided with a horizontal support plate, one side of the front end plate 1 is respectively provided with a first hot water pipe 11 and a second hot water pipe 12, and a first cold water pipe 13 and a second cold water pipe 14 on the other side of the front end plate 1 are respectively corresponding to the first hot water pipe 11 and the second cold water pipe 14; the number of the guide rods 3 is two, the two guide rods 3 are positioned between the front end plate 1 and the rear end plate 2, two limiting rods 4 are arranged on the adjacent surfaces of the two guide rods 3, and the limiting rods 4 are in sliding connection with the inner part of an opening formed in the heat exchange plate 16; the inside of the limiting plate 10 is penetrated and slidably connected with the guide rod 3, a third hot water pipe 15 is arranged at the top of the limiting plate 10, and the third hot water pipe 15 corresponds to the first hot water pipe 11; a plurality of limiting screws 8 are uniformly distributed on both sides of the front end plate 1 and the limiting plate 10, a limiting nut 9 is arranged at the end part of each limiting screw 8, and the limiting nuts 9 contact the side wall of the limiting plate 10; the number of the heat exchange plates 16 is several, each heat exchange plate 16 is spliced with each other, and a channel for fluid flowing is formed between each heat exchange plate 16.

When the heat exchange plate fixing device is used, the connecting screw rods 5 at two ends of the guide rod 3 are respectively inserted and connected onto the front end plate 1 and the rear end plate 2, the guide rod 3, the front end plate 1 and the rear end plate 2 are fixedly installed through the connecting nut 6, one side of the heat exchange plate 16 is stacked between the guide rods 3, the openings formed in two ends of the heat exchange plate 16 are matched with the limiting rod 4 to realize stable connection, after the heat exchange plates 16 are mutually spliced, the limiting plate 10 is moved and is mutually attached to the heat exchange plate 16, the limiting screw rod 8 is embedded into the groove 7, and the limiting plate 10 is abutted against the heat exchange plate 16 by screwing the limiting nut 9, so that the heat exchange plate 16 is effectively fixed, the operation convenience is improved, and the number of the heat exchange plates 16 is conveniently increased or reduced;

at this moment, the first hot water pipe 11 and the third hot water pipe 15 are sequentially connected with the hot water channel, hot water enters the heat exchange plate 16 through the first hot water pipe 11 and the third hot water pipe 15, hot water is discharged through the second hot water pipe 12, the first cold water pipe 13 and the second cold water pipe 14 are sequentially connected with the cold water channel, cold water enters the heat exchange plate 16 through the second cold water pipe 14 and is discharged through the first cold water pipe 13, effective heat exchange is realized through opposite circulation of the cold water and the hot water, and two hot water inlets are arranged to improve heat exchange efficiency.

The application has the advantages that:

1. the two hot water pipes are arranged to conveniently realize effective circulation of hot water, and the two hot water pipes are matched with opposite circulation of the cold water pipe to realize heat exchange;

2. this application is favorable to carrying on spacingly to the heat exchanger plate through being provided with the gag lever post, conveniently effectively assembles, is favorable to carrying out quick fixed to front end plate and rear end plate through being provided with limit screw, makes things convenient for plate heat exchanger's effective installation, improves the convenience of operation.

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, improvement and the like 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 plate heat exchanger of binary channels import which characterized in that: comprises a front end plate (1), a rear end plate (2), a connecting mechanism and a heat exchange mechanism;

the connecting mechanism comprises a guide rod (3), a limiting rod (4), a connecting screw rod (5) and a fiber screw rod, the end part of the guide rod (3) is fixedly connected with the connecting screw rod (5), the connecting screw rod (5) is respectively penetrated and spliced with a front end plate (1) and a rear end plate (2), the end part of the connecting screw rod (5) is in threaded connection with a connecting nut (6), the front end plate (1) and a limiting plate (10) are both provided with a groove (7), the inside of the groove (7) is connected with a limiting screw rod (8) in an embedded mode, and the end part of the limiting screw rod (8) is in threaded connection with a limiting nut (9);

the heat exchange mechanism comprises a first hot water pipe (11), a second hot water pipe (12), a third hot water pipe (15) and heat exchange plates (16), wherein the first hot water pipe (11) and the second hot water pipe (12) are fixedly penetrated through a front end plate (1), one side of the front end plate (1) is respectively communicated with a first cold water pipe (13) and a second cold water pipe (14), the third hot water pipe (15) is fixedly penetrated through a limiting plate (10), and the plurality of heat exchange plates (16) are arranged between the front end plate (1) and the limiting plate (10).

2. The plate heat exchanger with the double channel inlet as claimed in claim 1, wherein: the water heater is characterized in that horizontal supporting plates are arranged at the bottoms of the front end plate (1) and the rear end plate (2), a first hot water pipe (11) and a second hot water pipe (12) are arranged on one side of the front end plate (1) respectively, and a first cold water pipe (13) and a second cold water pipe (14) on the other side of the front end plate (1) correspond to the first hot water pipe (11) and the second cold water pipe (14) respectively.

3. The plate heat exchanger with the double channel inlet as claimed in claim 1, wherein: the number of guide arms (3) is two, two guide arms (3) all are located between front end plate (1) and back end plate (2), two the adjacent face of guide arm (3) all is equipped with two gag lever post (4), and gag lever post (4) all with the inside sliding connection of opening that heat transfer plate (16) seted up.

4. The plate heat exchanger with the double channel inlet as claimed in claim 1, wherein: the inside of the limiting plate (10) is penetrated through the guide rod (3) and is in sliding connection with the guide rod, a third hot water pipe (15) is arranged at the top of the limiting plate (10), and the third hot water pipe (15) corresponds to the first hot water pipe (11).

5. The plate heat exchanger with the double channel inlet as claimed in claim 1, wherein: front end plate (1) and limiting plate (10) both sides all evenly distributed have a plurality of stop screw (8), and every stop screw (8) tip all is equipped with stop nut (9), stop nut (9) contact limiting plate (10) lateral wall.

6. The plate heat exchanger with the double channel inlet as claimed in claim 1, wherein: the number of the heat exchange plates (16) is a plurality, each heat exchange plate (16) is spliced with each other, and a channel for fluid flowing is formed between each heat exchange plate (16).