CN212658101U

CN212658101U - Plate heat exchanger capable of preventing internal leakage

Info

Publication number: CN212658101U
Application number: CN202021190904.2U
Authority: CN
Inventors: 李勤峰
Original assignee: Jiangsu Double Field Amperex Technology Ltd
Current assignee: Jiangsu Double Field Amperex Technology Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-05
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a plate heat exchanger technical field specifically is a prevent plate heat exchanger of interior hourglass, which comprises a housin, the welding of casing right-hand member has solid fixed ring, gu the welding of fixed ring right-hand member has the frame, upper end right side is connected with the hot exit tube of three-way type in the casing, the rotation is connected with sealed lid in the hot exit tube upper end. The utility model discloses a setting of thermal outlet pipe and sealed lid adds the thermal outlet pipe with the detergent through opening sealed lid, and a period of stewing perhaps unpacks solid fixed ring apart frame and casing apart through the spanner, is convenient for carry out the scale deposit clearance to the plate-type heat transfer, avoids the scale deposit to influence the thermal efficiency, perhaps leaks in causing, and is comparatively practical, is fit for extensively promoting and using.

Description

Plate heat exchanger capable of preventing internal leakage

Technical Field

The utility model relates to a plate heat exchanger technical field specifically is a prevent plate heat exchanger of interior hourglass.

Background

The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy.

The prior patent (publication number is N208901939U) and a plate heat exchanger for preventing inner leakage can increase the contact area of a medium and a first plate through a corrugated structure, delay the flowing speed of the medium on the first plate, increase the time for the medium and the first plate to transfer heat, improve the heat exchange efficiency, but cause the thermal efficiency to be reduced for solving the problem of scaling in the plate heat exchanger, and the scaling easily forms inner leakage.

Therefore, the plate heat exchanger capable of preventing internal leakage is provided, so that scaling cleaning can be conveniently carried out on plate heat exchange, and the phenomenon that thermal efficiency is affected by scaling or internal leakage is caused is avoided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent plate heat exchanger of internal leakage has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent plate heat exchanger of interior hourglass, includes the casing, the welding of casing right-hand member has solid fixed ring, gu the welding of fixed ring right-hand member has the frame, upper end right side is connected with the hot exit tube of three way type in the casing, hot exit tube upper end is rotated and is connected with sealed lid.

As a preferred embodiment of the utility model, the middle part is opened and is chiseled there is the cold water chamber in the frame, the welding of the indoor middle part of cold water has the division board.

As a preferred embodiment of the present invention, the shell is filled with a plate-fin grid, and the right end of the plate-fin grid is welded with a front end plate.

As a preferred embodiment of the utility model, frame upper end intercommunication has the cold pipe of advancing, frame lower extreme intercommunication has the cold exit tube.

As a preferred embodiment of the present invention, the left side of the lower end of the housing is connected to a heat inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a plate heat exchanger who leaks in preventing through the setting of hot exit tube and sealed lid, adds the hot exit tube with the detergent through opening sealed lid, and a period of stewing perhaps unpacks solid fixed ring apart frame and casing apart through the spanner, is convenient for carry out the scale deposit clearance to plate heat transfer, avoids the scale deposit to influence the thermal efficiency, perhaps leaks in causing.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the internal leakage prevention plate heat exchanger of the present invention;

fig. 2 is a structural section view of the plate heat exchanger for preventing internal leakage of the present invention.

In the figure: 1. a heat inlet pipe; 2. a housing; 3. a hot outlet pipe; 4. a sealing cover; 5. cold feeding the pipe; 6. a fixing ring; 7. a frame; 8. a cold outlet pipe; 9. a plate-fin grid; 10. a front end plate; 11. a cold water chamber; 12. a partition plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a prevent plate heat exchanger of interior hourglass, includes

casing

2, 2 right-hand member welding of casing have solid fixed ring 6, gu fixed ring 6 right-hand member welding has frame 7, the upper end right side is connected with three way type thermal outlet pipe 3 in the casing 2, the 3 upper ends of thermal outlet pipe rotate and are connected with sealed lid 4.

In this embodiment, please refer to fig. 1 and 2, a descaling agent is added into the hot-outlet pipe 3 by opening the sealing cover 4, and the frame 7 and the shell 2 are left for a period of time, or the fixing ring 6 is detached by a wrench, so as to facilitate the scale cleaning of the plate heat exchanger, and avoid the influence of scale on the thermal efficiency or internal leakage.

A cold water chamber 11 is formed in the middle of the inside of the frame 7, and a partition plate 12 is welded to the middle of the inside of the cold water chamber 11.

In the embodiment, referring to fig. 1, the partition plate 12 divides the cold water chamber 11 into two parts, the upper part is communicated with the cold inlet pipe 5, and the lower part is communicated with the cold outlet pipe 8.

The shell 2 is filled with a plate-fin grating 9, and a front end plate 10 is welded at the right end of the plate-fin grating 9.

In the embodiment shown in fig. 2, the heat exchanger with the plate-fin grille 9 is formed by a plurality of punched corrugated thin plates at certain intervals, the peripheries of the punched corrugated thin plates are sealed by gaskets, and the punched corrugated thin plates are overlapped and compressed by a frame and a compression screw, four corner holes of the plate and the gasket form a distribution pipe and a collection pipe of fluid, and simultaneously, cold and hot fluids are reasonably separated to flow in flow channels on two sides of each plate respectively to carry out heat exchange through the plate.

The upper end of the frame 7 is communicated with a cold inlet pipe 5, and the lower end of the frame 7 is communicated with a cold outlet pipe 8.

In the embodiment shown in fig. 1, external cold water enters the upper part of the cold water chamber 11 through the cold inlet pipe 5, and the cold water flows back to the lower part of the cold water chamber 11 through the plate-fin grille 9.

Wherein, the left side of the lower end of the shell 2 is communicated with a heat inlet pipe 1.

In the embodiment, referring to fig. 1, a hot water inlet pipe 1 is communicated with the left side of the lower end of a housing 2, and external hot water enters the interior of the housing through the hot water pipe 1.

It should be noted that, the structure and principle of the plate heat exchanger of the present invention are known by the technical manual or by the conventional experimental method, in the idle place of the device, all the electric devices, which refer to the power device, the electric devices and the adaptive monitoring computer, are connected by the wires, and the specific connection means refers to the following working principle, in which the electric devices complete the electrical connection in sequence, the detailed connection means is known in the art, and the following mainly describes the working principle and process, without describing the electrical control, when a drying device for producing impregnated bond paper is used, the structure and principle are known by the technical manual or the conventional experimental method, the sealing cover 4 is opened to add the descaling agent into the hot outlet tube 3 during the work, a period of time stews, perhaps unpack solid fixed ring 6 apart with frame 7 and casing 2 through the spanner, be convenient for carry out the scale deposit clearance to the plate heat transfer, outside hot water advances pipe 1 through the heat and gets into 9 rethread hot exit tubes 3 discharges of plate fin grid, adds hot exit tube 3 with the detergent through opening sealed lid 4 again, a period of time stews, perhaps unpack solid fixed ring 6 apart with frame 7 and casing 2 through the spanner, be convenient for carry out the scale deposit clearance to the plate heat transfer.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a prevent interior board heat exchanger who leaks, includes casing (2), its characterized in that: casing (2) right-hand member welding has solid fixed ring (6), gu fixed ring (6) right-hand member welding has frame (7), upper end right side is connected with three way type heat exit tube (3) in casing (2), heat exit tube (3) upper end is rotated and is connected with sealed lid (4).

2. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the middle part in frame (7) is opened chisel and is had cold water room (11), the middle part welding has division board (12) in cold water room (11).

3. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the shell (2) is filled with a plate-fin grating (9), and a front end plate (10) is welded at the right end of the plate-fin grating (9).

4. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the upper end of the frame (7) is communicated with a cold inlet pipe (5), and the lower end of the frame (7) is communicated with a cold outlet pipe (8).

5. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the left side of the lower end of the shell (2) is communicated with a hot inlet pipe (1).