CN209445857U - A kind of heat exchanger - Google Patents

Abstract

The utility model discloses a heat exchanger, which comprises an upper shell plate and a lower shell plate, the upper shell plate and the lower shell plate are fixedly connected by a connecting plate, and the left side and the right side A cooling medium inlet and a cooling medium outlet are provided respectively, a heat source medium inlet is provided at the middle position on the front side of the upper shell and the lower shell plate, and a heat source medium outlet is provided at the middle position on the back side of the upper shell plate and the lower shell plate , Z-shaped channels are equally spaced on the heat source medium circuit board, the straight channels communicate with the cooling medium inlet and the cooling medium outlet respectively, and the Z-shaped channels communicate with the heat source medium inlet and the heat source medium outlet respectively, The utility model adopts a circuitous heat source circuit, which ensures the heat exchange between the cooling liquid and the heat source for a long time, and achieves a good cooling effect.

Description

a heat exchanger

technical field

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

Background technique

A heat exchanger is a device used to transfer heat from a hot fluid to a cold fluid to meet the specified process requirements. It is an industrial application of convective heat transfer and heat conduction. Heat exchangers can be classified in different ways. According to its operation process, it can be divided into three types: partition type, hybrid type, and regenerative type (or regenerative type); according to the compactness of its surface, it can be divided into two types: compact type and non-compact type.

The existing heat exchanger has complex structure, difficult installation, poor heat exchange effect, low cost performance, and welding is mainly used between each circuit board, the formed dirt is difficult to remove, etc., it is not easy to replace damaged components, and the cost relatively high.

Utility model content

The purpose of this utility model is to provide a heat exchanger with obvious heat exchange effect, high cost performance, safe and reliable, easy to remove dirt, easy to replace and industrialized production, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a heat exchanger, including an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected by a connecting plate, and the upper shell The cooling medium inlet and the cooling medium outlet are respectively provided on the left side and the right side of the lower shell plate, and the heat source medium inlet is provided in the middle of the front side of the upper shell plate and the lower shell plate, and the upper shell plate and the lower shell plate are arranged on the back side. There is a heat source medium outlet in the middle of the side, and five sets of cooling medium circuit boards and five sets of heat source medium circuit boards are arranged in the upper and lower shell plates, and the cooling medium circuit boards and heat source medium circuit boards are sequentially arranged from bottom to top They are distributed at intervals and fixedly connected to each other by adhesive glue. Straight channels are equally spaced on the cooling medium circuit board, and Z-shaped channels are equally spaced on the heat source medium circuit board. The straight channels They communicate with the cooling medium inlet and the cooling medium outlet respectively, and the Z-shaped channel communicates with the heat source medium inlet and the heat source medium outlet respectively, and the four corners of the cooling medium circuit board and the heat source medium circuit board are provided with splints.

Preferably, both the cooling medium circuit board and the heat source medium circuit board are made of stainless steel.

Preferably, the splint is groove-shaped, and both upper and lower ends of the splint are fixedly connected to the cooling medium circuit board and the heat source medium circuit board by bolts.

Preferably, the cooling medium circuit board and the heat source medium circuit board have the same cross-sectional area.

Preferably, there are at least ten sets of straight channels on the cooling medium circuit board, and at least ten sets of Z-shaped channels on the heat source medium circuit board.

Preferably, the channel widths of the straight channel and the zigzag channel are the same.

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

1. In the utility model, the cooling medium flows out through the cooling medium outlet, and the heat source medium flows out through the heat source medium outlet. The straight channel adopted on the cooling medium circuit board can ensure that the cooling liquid cools the heat source with a large flow rate, and the heat source medium circuit board The Z-shaped channel is adopted on the top, which can reduce the flow rate of the heat source, and the circuitous heat source circuit is adopted to ensure the heat exchange between the coolant and the heat source for a long time, and achieve a good cooling effect, and the heat exchange effect is obvious;

2. The cooling medium circuit board and the heat source medium circuit board are arranged at intervals from bottom to top, and are fixedly connected to each other by adhesive glue, which makes it easy to disassemble and replace, and facilitates descaling and cleaning.

Description of drawings

Fig. 1 is the front structural representation of the utility model;

Fig. 2 is a schematic view of the back structure of the utility model;

Fig. 3 is a structural schematic diagram of the stacked cooling medium circuit board and heat source medium circuit board of the present invention;

Fig. 4 is a schematic structural diagram of the front view of the cooling medium circuit board and the heat source medium circuit board of the present invention;

Fig. 5 is a schematic structural diagram of the cooling medium circuit board of the present invention;

Fig. 6 is a schematic structural diagram of the heat source medium circuit board of the present invention.

In the figure: 1 upper shell plate, 2 lower shell plate, 3 cooling medium inlet, 4 cooling medium outlet, 5 heat source medium inlet, 6 connection plate, 7 heat source medium outlet, 8 cooling medium circuit board, 9 heat source medium circuit board, 10 Straight channel, 11 Z-shaped channels, 12 splints, 13 bolts.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-6, the utility model provides a technical solution: a heat exchanger, including an upper shell plate 1 and a lower shell plate 2, and the upper shell plate 1 and the lower shell plate 2 are connected by a connecting plate 6 Fixedly connected, the left and right sides of the upper shell 1 and the lower shell 2 are respectively provided with a cooling medium inlet 3 and a cooling medium outlet 4, and the upper shell 1 and the lower shell 2 are provided with a heat source in the middle of the front side A medium inlet 5, a heat source medium outlet 7 is provided in the middle of the back side of the upper shell 1 and the lower shell 2, and five sets of cooling medium circuit boards 8 and five cooling medium circuit boards are arranged in the upper shell 1 and the lower shell 2 A set of heat source medium circuit boards 9, the cooling medium circuit board 8 and the heat source medium circuit board 9 are distributed sequentially from bottom to top, and the way of spaced distribution up and down makes the heat exchange effect good; and they are fixedly connected by adhesive glue, It is convenient to disassemble and replace, and it is convenient for descaling and cleaning; the cooling medium circuit board 8 is equally spaced with straight channels 10 to ensure that the cooling liquid cools the heat source with a large flow rate; the heat source medium circuit board 9 is equally spaced There is a Z-shaped passage 11, which can reduce the flow rate of the heat source and ensure the heat exchange between the heat source and the cooling liquid for a long time; the straight passage 10 is respectively connected with the cooling medium inlet 3 and the cooling medium outlet 4, and the Z-shaped The type channels 11 communicate with the heat source medium inlet 5 and the heat source medium outlet 7 respectively, and the four corners of the cooling medium circuit board 8 and the heat source medium circuit board 9 are provided with splints 12 .

Specifically, the cooling medium circuit board 8 and the heat source medium circuit board 9 are both of stainless steel plate structure, and the stainless steel plate structure has a long service life.

Specifically, the splint 12 is grooved, and the upper and lower ends of the splint 12 are fixedly connected to the cooling medium circuit board 8 and the heat source medium circuit board 9 by bolts 13; The four corners of 9 play a very good limiting role.

Specifically, the cross-sectional areas of the cooling medium circuit board 8 and the heat source medium circuit board 9 are consistent, maintaining consistency and facilitating assembly.

Specifically, there are at least ten sets of straight passages 10 on the cooling medium circuit board 8, and at least ten sets of Z-shaped passages 11 on the heat source medium circuit board 9; There are ten groups, and there are at least ten groups in the Z-shaped channel 11, so that the medium exchange is obvious and the temperature is cooled quickly.

Specifically, the channel widths of the straight channel 10 and the zigzag channel 11 are the same.

Working principle: when in use, the cooling medium enters through the cooling medium inlet 3, and the heat source medium enters through the heat source medium inlet 5, respectively enters the cooling medium circuit board 8 and the heat source medium circuit board 9 for heat exchange, and the cooling medium flows out through the cooling medium outlet 4, The heat source medium flows out through the heat source medium outlet 7, and the straight channel 10 adopted on the cooling medium circuit board 8 can ensure that the coolant cools the heat source with a large flow rate, and the Z-shaped channel 11 is adopted on the heat source medium circuit board 9, which can reduce The flow rate of the heat source ensures the continuous heat exchange between the heat source and the coolant for a long time to achieve the purpose of cooling.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of heat exchanger, including upper coverboard (1) and lower coverboard (2), it is characterised in that: the upper coverboard (1) and lower coverboard (2) it is fixedly connected between by connecting plate (6), right side is respectively equipped with cooling medium on the left of the upper coverboard (1) and lower coverboard (2) Entrance (3) and cooling medium outlet (4), the upper coverboard (1) and the positive side middle position of lower coverboard (2) are equipped with heat source medium Entrance (5), the upper coverboard (1) and lower coverboard (2) reverse side middle position are equipped with heat source medium outlet (7), the upper casing Five groups of cooling medium circuit boards (8) and five groups of heat source medium circuit boards (9), cooling Jie are equipped in plate (1) and lower coverboard (2) Matter circuit board (8) and heat source medium circuit board (9) are successively spaced apart from bottom to up, and are connected between each other by the way that adhesive glue is fixed It connects, first-class be spaced apart of the cooling medium circuit board (8) is equipped with straight channel (10), and the heat source medium circuit board (9) is first-class It is spaced apart and is equipped with Z-shaped channel (11), the straight channel (10) exports with cooling medium entrance (3) and cooling medium respectively (4) it is connected to, the Z-shaped channel (11) is connected to heat source medium entrance (5) and heat source medium outlet (7) respectively, the cooling Four turnings of medium loop plate (8) and heat source medium circuit board (9) are equipped with clamping plate (12).

2. a kind of heat exchanger according to claim 1, it is characterised in that: the cooling medium circuit board (8) and heat source Medium loop plate (9) is stainless steel plate structure.

3. a kind of heat exchanger according to claim 1, it is characterised in that: the clamping plate (12) is groove profile, the clamping plate (12) upper and lower ends pass through bolt (13) and are fixedly connected on cooling medium circuit board (8) and heat source medium circuit board (9).

4. a kind of heat exchanger according to claim 1, it is characterised in that: the cooling medium circuit board (8) and heat source Medium loop plate (9) sectional area is consistent.

5. a kind of heat exchanger according to claim 1, it is characterised in that: straight on the cooling medium circuit board (8) Formula channel (10) is at least provided with ten groups, and the Z-shaped channel (11) on the heat source medium circuit board (9) is also at least provided with ten groups.

6. a kind of heat exchanger according to claim 1, it is characterised in that: the straight channel (10) and Z-shaped channel (11) channel width is consistent.