CN212320475U

CN212320475U - Heat exchanger

Info

Publication number: CN212320475U
Application number: CN202020429130.8U
Authority: CN
Inventors: 艾琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2021-01-08
Anticipated expiration: 2030-03-28

Abstract

The utility model relates to a heat exchange technology field particularly, relates to a heat exchanger, and it includes collecting pipe subassembly and flat pipe, is equipped with first water conservancy diversion chamber in the collecting pipe subassembly, flat intraductal second water conservancy diversion chamber that is equipped with, flat pipe can dismantle with the collecting pipe subassembly and be connected, and first water conservancy diversion chamber and second water conservancy diversion chamber switch-on. Adopt the utility model discloses, pressure manifold and flat pipe can be dismantled, are convenient for change the pressure manifold or the flat pipe of damage, reduce user's maintenance cost.

Description

Heat exchanger

Technical Field

The utility model relates to a heat exchange technology field particularly, relates to a heat exchanger.

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 heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

The existing heat exchanger generally comprises two collecting pipe assemblies arranged in parallel and a plurality of flat pipes inserted between the two collecting pipe assemblies in parallel, wherein the collecting pipe assemblies are key parts of the multi-channel heat exchanger and are used for distributing refrigerant to the flat pipes at an inlet, and collecting the refrigerant subjected to heat exchange in the flat pipes at an outlet. Generally, a groove is formed in the cylindrical collector pipe assembly, and the flat pipe is inserted from the groove and then integrally welded in a high-temperature furnace.

However, the collecting pipe assembly and the flat pipe are fixedly connected, when a certain flat pipe or collecting pipe assembly is damaged, the whole heat exchanger needs to be replaced, the maintenance cost is high, and the flat pipe is in contact with external fluid, so that the surface is easy to scale, and the heat transfer efficiency of the flat pipe is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat exchanger, its pressure manifold and flat pipe can be dismantled, are convenient for change the pressure manifold or the flat pipe of damage, reduce user's maintenance cost.

The embodiment of the utility model is realized like this:

the utility model provides a heat exchanger, includes collecting pipe subassembly and flat pipe, is equipped with first water conservancy diversion chamber in the collecting pipe subassembly, is equipped with second water conservancy diversion chamber in the flat pipe, and flat pipe can be dismantled with the collecting pipe subassembly and be connected, and first water conservancy diversion chamber and second water conservancy diversion chamber switch-on.

Further, in some embodiments of the present invention, the collecting pipe assembly includes a first collecting pipe and a second collecting pipe, the first collecting pipe is provided with a first flow guiding pipe, and the second collecting pipe is provided with a second flow guiding pipe; one end of the flat pipe is detachably connected with the first guide pipe, and the other end of the flat pipe is detachably connected with the second guide pipe.

Further, in some embodiments of the present invention, the flat pipe is provided with a first connecting pipe and a second connecting pipe, the first connecting pipe is connected to the first flow guiding pipe, and the second connecting pipe is connected to the second flow guiding pipe.

Further, in some embodiments of the present invention, the diameter of the first flow guiding pipe is gradually reduced along the axial direction, and the end with the smallest diameter of the first flow guiding pipe is embedded into the first connecting pipe; the diameter of the second connecting pipe is gradually reduced along the axial direction, and one end with the minimum diameter of the second connecting pipe is embedded into the second guide pipe.

Further, in some embodiments of the present invention, the outer surfaces of the first flow guiding pipe and the second connecting pipe are both provided with a sealing gasket.

Furthermore, in some embodiments of the present invention, the number of the first collecting pipes is plural, the plural first collecting pipes are sequentially detachably connected, and any one of the first collecting pipes is provided with a first flow guiding pipe; the number of the second collecting pipes is multiple, the second collecting pipes are sequentially detachably connected, and any one second collecting pipe is provided with a second flow guide pipe.

Further, in some embodiments of the present invention, one end of any one of the first collecting pipes is provided with an internal thread, and the other end of any one of the first collecting pipes is provided with an external thread matching the internal thread; one end of any second collecting pipe is provided with an internal thread, and the other end of any second collecting pipe is provided with an external thread matched with the internal thread.

Further, in some embodiments of the present invention, the above-mentioned fixing rod is further included, one end of the fixing rod is detachably connected to the first collecting pipe, and the other end of the fixing rod is detachably connected to the second collecting pipe.

Further, in some embodiments of the present invention, the fixing rod is provided with a first fixing sleeve and a second fixing sleeve, the first fixing sleeve is disposed on the first collecting pipe, and the second fixing sleeve is disposed on the second collecting pipe.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the embodiment of the utility model provides a heat exchanger, including collecting pipe subassembly and flat pipe, be equipped with first water conservancy diversion chamber in the collecting pipe subassembly, flat intraductal second water conservancy diversion chamber that is equipped with, flat pipe can dismantle with the collecting pipe subassembly and be connected, and first water conservancy diversion chamber and second water conservancy diversion chamber switch-on.

The specific working principle is as follows: the heat-conducting fluid enters the first flow guide cavity of the collector pipe assembly and then flows to the second flow guide cavity in the flat pipe, and the heat exchange between the heat-conducting fluid and substances outside the flat pipe is completed through the flat pipe, namely the heat exchange process is completed; when a certain collecting pipe assembly or a flat pipe is damaged and needs to be replaced, the flat pipe and the collecting pipe assembly can be detachably connected, so that the damaged part can be replaced only by detaching the flat pipe or the collecting pipe assembly, and then the flat pipe and the collecting pipe assembly are assembled. The collecting pipe and the flat pipe can be detached, so that the damaged collecting pipe or flat pipe can be replaced conveniently, and the maintenance cost of a user is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a heat exchanger provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the flat tube and manifold assembly of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a top view of a flat tube and header assembly.

Icon: 1-first collecting pipe, 2-second collecting pipe, 3-flat pipe, 4-first guide pipe, 5-second guide pipe, 6-first guide cavity, 7-second guide cavity, 8-first connecting pipe, 9-second connecting pipe, 10-sealing gasket, 11-internal thread, 12-external thread, 13-fixing rod, 14-first fixing sleeve and 15-second fixing sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 and 5, fig. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention; fig. 5 shows a plan view of the flat tubes 3 and the collector assembly.

The embodiment provides a heat exchanger, including collecting pipe subassembly and flat pipe 3, be equipped with first water conservancy diversion chamber 6 in the collecting pipe subassembly, be equipped with second water conservancy diversion chamber 7 in the flat pipe 3, flat pipe 3 can be dismantled with the collecting pipe subassembly and be connected, and first water conservancy diversion chamber 6 switches on with second water conservancy diversion chamber 7.

The specific working principle is as follows: the heat-conducting fluid enters a first flow guide cavity 6 of the collector pipe assembly and then flows into a second flow guide cavity 7 in the flat pipe 3, and the heat-conducting fluid and substances outside the flat pipe 3 complete heat exchange through the flat pipe 3, namely the heat exchange process is completed; when a certain collecting pipe assembly or flat pipe 3 is damaged and needs to be replaced, because the flat pipe 3 can be detachably connected with the collecting pipe assembly, the damaged part can be replaced by only detaching the flat pipe 3 or the collecting pipe assembly, and then the flat pipe 3 and the collecting pipe assembly are assembled. So collecting pipe subassembly and flat pipe 3 can be dismantled, are convenient for change the collecting pipe subassembly or flat pipe 3 of damage, reduce user's maintenance cost.

Referring to fig. 2 to 4, fig. 2 is a sectional view of the flat tube 3 and the manifold assembly shown in fig. 1; FIG. 3 is an enlarged view of FIG. 2 at A; fig. 4 is an enlarged view of fig. 2 at B.

As shown in fig. 1 to fig. 5, as a preferred embodiment, the header assembly of the present embodiment includes a first header 1 and a second header 2, the first header 1 is provided with a first flow guide pipe 4, and the second header 2 is provided with a second flow guide pipe 5; one end of the flat pipe 3 is detachably connected with the first guide pipe 4, and the other end of the flat pipe 3 is detachably connected with the second guide pipe 5.

The working principle is as follows: the heat-conducting fluid enters the first flow guide cavity 6 of the first collecting pipe 1 and then flows into the second flow guide cavity 7 from the first flow guide pipe 4, and after heat exchange of the heat-conducting fluid is completed, the heat-conducting fluid flows into the second collecting pipe 2 from the second flow guide pipe 5, so that the circulation process is completed.

The utility model discloses a set up first honeycomb duct 4 and second honeycomb duct 5, the heat-conducting fluid of being convenient for is at the flow between first pressure manifold 1, flat pipe 3 and second pressure manifold 2.

As shown in fig. 1 to 5, as a preferred embodiment, the flat tube 3 of the present embodiment is provided with a first connection pipe 8 and a second connection pipe 9, the first connection pipe 8 is connected to the first draft tube 4, and the second connection pipe 9 is connected to the second draft tube 5.

In order to increase the contact area between the flat tube 3 and external materials during heat exchange, the flat tube 3 of the heat exchanger is generally in a cuboid shape, and the cross-sectional area of the flat tube 3 is generally larger than the cross-sectional area of the collector assembly, so that the flat tube 3 and the collector assembly are inconvenient to be connected with each other.

The utility model discloses a set up first connecting pipe 8 and second connecting pipe 9, first connecting pipe 8 and second connecting pipe 9 respectively with the switch-on of the interior second water conservancy diversion chamber 7 of flat tub of 3, be convenient for put through first connecting pipe 8 and first honeycomb duct 4, second connecting pipe 9 and the switch-on of second honeycomb duct 5, so be convenient for put through first water conservancy diversion chamber 6 and second water conservancy diversion chamber 7, the mode that this kind of pipeline links to each other is also convenient for dismantle each other and the installation.

As shown in fig. 1 to 5, as a preferred embodiment, the first guide tube 4 of the present embodiment has a diameter gradually decreasing along the axial direction, and the end of the first guide tube 4 with the smallest diameter is embedded in the first connecting tube 8; the diameter of the second connecting pipe 9 is gradually reduced along the axial direction, and the end with the minimum diameter of the second connecting pipe 9 is embedded into the second guide pipe 5.

Therefore, when the first flow guide pipe 4 is connected with the first connecting pipe 8, the first flow guide pipe 4 is conveniently embedded into the first connecting pipe 8 and the first flow guide pipe 4 is conveniently connected with the first connecting pipe 8 because the diameter of one end of the first flow guide pipe 4 connected with the first connecting pipe 8 is small; when the heat-conducting fluid flows into the first connecting pipe 8 from the first flow guide pipe 4, the boundary position between the first flow guide pipe 4 and the first connecting pipe 8 is not shielded by the pipe wall, so that the heat-conducting fluid can smoothly flow into the first connecting pipe 8.

When the second connecting pipe 9 is connected with the second guide pipe 5, the diameter of one end of the second connecting pipe 9 connected with the second guide pipe 5 is small, so that the second connecting pipe 9 can be conveniently embedded into the second guide pipe 5, and the second connecting pipe 9 can be conveniently connected with the second guide pipe 5; when the heat-conducting fluid flows into the second flow guide pipe 5 from the second connecting pipe 9, the boundary position between the second connecting pipe 9 and the second flow guide pipe 5 is not shielded by the pipe wall, so that the heat-conducting fluid can smoothly flow into the second flow guide pipe 5.

As shown in fig. 1 to 5, as a preferred embodiment, the first guide pipe 4 and the second connection pipe 9 of the present embodiment are provided with gaskets 10 on the outer surfaces thereof.

The utility model discloses a set up sealed pad 10, increase the sealing performance between first honeycomb duct 4 and the first connecting pipe 8, also can increase the sealing performance between second honeycomb duct 5 and the second connecting pipe 9, prevent that heat-conducting fluid from leaking, the security performance when reinforcing heat exchanger uses.

Alternatively, the gasket 10 of the present embodiment employs a rubber gasket.

As shown in fig. 1 to fig. 5, as a preferred embodiment, the number of the first collecting pipes 1 in this embodiment is multiple, the multiple first collecting pipes 1 are detachably connected in sequence, and any one of the first collecting pipes 1 is provided with a first flow guide pipe 4; the number of the second collecting pipes 2 is multiple, the second collecting pipes 2 are sequentially detachably connected, and any one second collecting pipe 2 is provided with a second flow guide pipe 5.

Therefore, when one first collecting pipe 1 or one second collecting pipe 2 is damaged, the first collecting pipe is convenient to disassemble and replace.

As shown in fig. 1 to 5, as a preferred embodiment, one end of any one of the first collecting pipes 1 of the present embodiment is provided with an internal thread 11, and the other end of any one of the first collecting pipes 1 is provided with an external thread 12 matching with the internal thread 11; one end of any second collecting pipe 2 is provided with an internal thread 11, and the other end of any second collecting pipe 2 is provided with an external thread 12 matched with the internal thread 11.

During installation, the external thread 12 of one first collecting pipe 1 and the internal thread 11 of the other first collecting pipe 1 can be screwed and matched for connection, so that the plurality of first collecting pipes 1 are sequentially connected together, and the connection mode of the plurality of second collecting pipes 2 is consistent with that of the first collecting pipes 1; and then installing flat tubes 3 between the first collecting pipe 1 and the second collecting pipe 2. When disassembly is needed, the method is installed in a reverse mode.

Optionally, in this embodiment, one end of the first collecting pipe 1 farthest away is sealed, and an inlet is reserved for the heat transfer fluid to flow into the first flow guiding cavity 6 in the first collecting pipe 1; in this embodiment, the farthest end of the second collecting pipe 2 is sealed, and an outlet is reserved for the heat transfer fluid to flow out of the second collecting pipe 2.

As shown in fig. 1 to fig. 5, as a preferred embodiment, the present embodiment further includes a fixing rod 13, one end of the fixing rod 13 is detachably connected to the first collecting pipe 1, and the other end of the fixing rod 13 is detachably connected to the second collecting pipe 2.

The utility model discloses a set up dead lever 13, after collecting pipe subassembly and flat tub of 3 installation, dead lever 13 is fixed the position of first collecting pipe 1, flat tub of 3 and second collecting pipe 2, prevents to drop between certain two parts in the heat exchanger working process, increases the security of heat exchanger during operation.

As shown in fig. 1 to fig. 5, as a preferred embodiment, the fixing rod 13 of the present embodiment is provided with a first fixing sleeve 14 and a second fixing sleeve 15, the first fixing sleeve 14 is sleeved on the first collecting pipe 1, and the second fixing sleeve 15 is sleeved on the second collecting pipe 2.

The utility model discloses a set up the fixed cover of first fixed cover 14 and second 15, the fixed and dismantlement of dead lever 13 of being convenient for.

To sum up, the utility model discloses an embodiment provides a heat exchanger, including collecting pipe subassembly and flat pipe 3, be equipped with first water conservancy diversion chamber 6 in the collecting pipe subassembly, be equipped with second water conservancy diversion chamber 7 in the flat pipe 3, flat pipe 3 can dismantle with the collecting pipe subassembly and be connected, and first water conservancy diversion chamber 6 switches on with second water conservancy diversion chamber 7.

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

Claims

1. A heat exchanger, characterized by: the flow collecting pipe assembly comprises a flow collecting pipe assembly and a flat pipe, wherein a first flow guide cavity is arranged in the flow collecting pipe assembly, a second flow guide cavity is arranged in the flat pipe, the flat pipe is detachably connected with the flow collecting pipe assembly, and the first flow guide cavity is communicated with the second flow guide cavity.

2. The heat exchanger of claim 1, wherein: the collecting pipe assembly comprises a first collecting pipe and a second collecting pipe, the first collecting pipe is provided with a first flow guide pipe, and the second collecting pipe is provided with a second flow guide pipe; one end of the flat pipe is detachably connected with the first guide pipe, and the other end of the flat pipe is detachably connected with the second guide pipe.

3. The heat exchanger of claim 2, wherein: the flat pipe is provided with a first connecting pipe and a second connecting pipe, the first connecting pipe is communicated with the first guide pipe, and the second connecting pipe is communicated with the second guide pipe.

4. The heat exchanger of claim 3, wherein: the diameter of the first guide pipe is gradually reduced along the axial direction, and the end with the minimum diameter of the first guide pipe is embedded into the first connecting pipe; the diameter of the second connecting pipe is gradually reduced along the axial direction, and one end with the minimum diameter of the second connecting pipe is embedded into the second guide pipe.

5. The heat exchanger of claim 4, wherein: and sealing gaskets are arranged on the outer surfaces of the first flow guide pipe and the second connecting pipe.

6. The heat exchanger of claim 2, wherein: the number of the first collecting pipes is multiple, the first collecting pipes are sequentially detachably connected, and any one first collecting pipe is provided with a first flow guide pipe; the number of the second collecting pipes is multiple, the second collecting pipes are sequentially detachably connected, and any one second collecting pipe is provided with a second flow guide pipe.

7. The heat exchanger of claim 6, wherein: one end of any one first collecting pipe is provided with an internal thread, and the other end of any one first collecting pipe is provided with an external thread matched with the internal thread; one end of any one second collecting pipe is provided with an internal thread, and the other end of any one second collecting pipe is provided with an external thread matched with the internal thread.

8. The heat exchanger of claim 2, wherein: the collecting pipe is characterized by further comprising a fixing rod, one end of the fixing rod is detachably connected with the first collecting pipe, and the other end of the fixing rod is detachably connected with the second collecting pipe.

9. The heat exchanger of claim 8, wherein: the dead lever is equipped with first fixed cover and the fixed cover of second, first fixed cover is located first pressure manifold, the fixed cover of second is located the second pressure manifold.