CN212931140U - Heat exchanger return pipe case - Google Patents

Abstract

The utility model relates to a heat exchanger backflow pipe case, including pipe case and baffle, the baffle is located the pipe incasement, the pipe case includes water inlet, delivery port and casing, the water inlet with the delivery port is located the outside of casing, and with the casing intercommunication, the baffle is located in the casing, and will the casing divide into first cavity and second cavity, first cavity with the water inlet intercommunication, the second cavity with the delivery port intercommunication, the casing is the tube-shape, and one end is sealed, one end opening, the baffle not with the cushion is installed to the one end of casing contact. The utility model discloses a heat exchanger backflow pipe case has realized dividing the journey to the pipe case, has prolonged the heat transfer time of cooling water in the heat transfer pipe, has improved heat exchange efficiency.

Description

Heat exchanger return pipe case

Technical Field

The utility model relates to a heat exchanger return-flow tube case.

Background

The shell-and-tube oil cooler is mainly used on a loop of a hydraulic system, takes water as a refrigerant in a tube and hot oil outside the tube, takes away the temperature of the hot oil, keeps the oil temperature under a normal working condition all the time, achieves the optimal state of the viscosity and the lubricating effect of the oil, ensures the continuous normal operation of a host machine, and further ensures the working efficiency to be quicker and quicker. Traditional shell-and-tube oil cooler, return stroke number generally can only reach two journey, and equipment diameter is big, and it is big to arrange the space, and the cooling effect is than poor.

SUMMERY OF THE UTILITY MODEL

In view of the shortcoming of the above prior art, the utility model aims to provide a heat exchanger return-flow pipe case, this return-flow pipe case has increased the heat transfer flow under the condition that does not change original heat transfer pipe length, has increased heat transfer effect.

In order to achieve the above objects and other related objects, the present invention provides a heat exchanger return pipe box, including: pipe case and baffle, the baffle is located the pipe incasement, the pipe case includes water inlet, delivery port and casing, the water inlet with the delivery port is located the outside of casing, and with the casing intercommunication, the baffle is located in the casing, the cushion is installed to the baffle tip.

Preferably, the shell is divided into a first chamber and a second chamber by the partition board, the first chamber is communicated with the water inlet, the second chamber is communicated with the water outlet, the shell is cylindrical, one end of the shell is sealed, and the other end of the shell is open.

Preferably, the cushion is U-shaped, and the partition board is clamped in a U-shaped cavity of the cushion.

Preferably, the cushion is made of a rubber material.

Preferably, the water inlet and the water outlet are respectively provided with a flange, and mounting bolt holes are arranged around the flanges.

Preferably, the partition is in an I shape.

Preferably, the partition is in a shape of a "T".

Preferably, the partition board is shaped like a Chinese character 'wang'.

The utility model discloses a heat exchanger return-flow tube case during operation at first will the water inlet with the delivery port process mounting bolt hole and cooling water path connection, cooling water flow back to the second cavity through water inlet, first cavity, heat exchange tube in proper order, then flow out through the delivery port again.

To sum up, the utility model discloses a heat exchanger return-flow tube case has following beneficial effect: by arranging the partition plates, the tube pass can be divided into a plurality of tube passes, so that the tube pass is prolonged, the heat exchange time is prolonged, and the heat exchange efficiency is improved; the soft cushion is arranged, so that the displacement of the shell and the clapboard caused by the temperature difference between the front end and the rear end of the shell and the clapboard due to heat exchange is effectively compensated, the short circuit and the bypass between the tube side passes are blocked, and the normal work of the whole tube heat tube is realized; the partition plates with different shapes are suitable for different working requirements, so that the diameter of the whole shell is reduced as much as possible, and the installation space is correspondingly reduced.

Drawings

Fig. 1 is a schematic structural diagram of a heat exchanger return header box.

Fig. 2 is a cross-sectional view of a heat exchanger return header box showing a cushion.

Fig. 3 is a front view of a heat exchanger return header box.

FIG. 4 is a schematic view of the installation of the I-shaped partition for showing the first chamber and the second chamber.

FIG. 5 is a schematic view of the installation of the T-shaped partition plate.

FIG. 6 is a schematic view of the installation of the separator plate shaped like a Chinese character 'wang'.

FIG. 7 is a schematic view of the installation of the I-shaped partition plate.

1. A pipe box; 11. a water inlet; 12. a water outlet; 13. a housing; 14. a flange; 15. mounting a bolt hole;

2. a partition plate; 21. a soft cushion; 22. a first chamber; 23. a second chamber.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 7. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 to 7, the utility model relates to a heat exchanger return pipe case, include: a pipe box 1 and a baffle plate 2, wherein the baffle plate 2 is positioned in the pipe box 1, the outer edge of the baffle plate 2 is connected on the inner wall of the shell 13 by welding, so as to divide the tube box 1 into different tube passes and achieve the purpose of increasing the heat exchange pass, the tube box 1 comprises a water inlet 11, a water outlet 12 and a shell 13, the water inlet 11 and the water outlet 12 are positioned outside the shell 13 and are communicated with the shell 13, so as to facilitate the entry and exit of cooling water in the header 1, the partition plate 2 is located in the housing 13, the end part of the clapboard 2 is provided with a soft cushion 21, the soft cushion 21 is contacted with the heat exchange tube core body, because the soft cushion 21 has a better compression ratio, the deformation caused by expansion caused by the heated expansion of the core body of the heat exchange tube or contraction caused by precooling can be effectively compensated, and the thermal expansion difference of the core body during the operation of the heat exchanger is balanced.

In this embodiment, the partition board 2 is in a shape like a Chinese character 'yi', and divides the housing 13 into a first chamber 22 and a second chamber 23, the first chamber 22 is communicated with the water inlet 11, the second chamber 23 is communicated with the water outlet 12, the housing 13 is in a cylindrical shape, one end of the housing is sealed, and the other end of the housing is open, and different chambers can be arranged according to the requirement of a heat exchange tube pass of a heat exchange tube as required, so as to increase the heat exchange flow, as shown in fig. 4.

In this embodiment, the cushion 21 is U-shaped, and the partition plate 2 is clamped in the U-shaped cavity of the cushion 21, so as to prevent the cushion 21 from displacing when the partition plate 2 contacts the heat exchange tube core, thereby affecting the sealing performance of the partition plate 2 and the heat exchange tube core.

In this embodiment, the cushion 21 is made of rubber, so as to compensate for the displacement of the shell 13 and the partition board 2 caused by thermal expansion and contraction.

In this embodiment, the water inlet 11 and the water outlet 12 are respectively provided with a flange 14, a mounting bolt hole 15 is arranged around the flange 14, and the flange 14 is connected with a water pipe through the mounting bolt hole 15, so as to ensure continuous circulation of cooling water required for heat exchange.

In this embodiment, the partition 2 is in an "I" shape to cooperate with the shell 13 to form a four-pass heat exchange tube, see FIG. 7.

In this embodiment, the partition 2 is shaped like a "T" to form a three-pass heat exchange tube in cooperation with the housing 13, see fig. 5.

In this embodiment, the partition plate 2 is shaped like a Chinese character 'wang' to form a six-pass heat exchange tube in cooperation with the shell 13, as shown in fig. 6.

The utility model discloses a heat exchanger return-flow tube case during operation at first will water inlet 11 with delivery port 12 process mounting bolt hole 15 and cooling water path connect, and the cooling water flows back to the second cavity through water inlet, first cavity, heat exchange tube in proper order, and then flows out through delivery port 12 again.

To sum up, the utility model discloses a heat exchanger return-flow tube case has following beneficial effect: by arranging the partition plates, the tube pass can be divided into a plurality of tube passes, so that the tube pass is prolonged, the heat exchange time is prolonged, and the heat exchange efficiency is improved; the soft cushion is arranged, so that the displacement of the shell and the clapboard caused by the temperature difference between the front end and the rear end of the shell and the clapboard due to heat exchange is effectively compensated, the short circuit and the bypass between the tube side passes are blocked, and the normal work of the whole tube heat tube is realized; the baffle of different shapes adapts to different work requirements, makes whole casing diameter minimize as far as possible, and what correspond just has just also reduced installation space therefore this utility model has overcome all kinds of defects of prior art, has high industry value and practical value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (8)

1. A heat exchanger return header box, comprising: pipe case (1) and baffle (2), baffle (2) are located in pipe case (1), pipe case (1) includes water inlet (11), delivery port (12) and casing (13), water inlet (11) with delivery port (12) are located the outside of casing (13), and with casing (13) intercommunication, baffle (2) are located in casing (13), cushion (21) are installed to baffle (2) tip.

2. A heat exchanger return header tank according to claim 1, characterized in that: the shell (13) is divided into a first cavity (22) and a second cavity (23) by the partition plate (2), the first cavity (22) is communicated with the water inlet (11), the second cavity (23) is communicated with the water outlet (12), the shell (13) is cylindrical, one end of the shell is sealed, and the other end of the shell is open.

3. A heat exchanger return header tank according to claim 1 or 2, characterized in that: the cushion (21) is U-shaped, and the partition plate (2) is clamped in a U-shaped cavity of the cushion (21).

4. A heat exchanger return header tank according to claim 3, characterized in that: the soft pad (21) is made of rubber materials.

5. A heat exchanger return header tank according to claim 1, characterized in that: flanges (14) are respectively arranged on the water inlet (11) and the water outlet (12), and mounting bolt holes (15) are arranged around the flanges (14).

6. A heat exchanger return header tank according to claim 1, characterized in that: the partition board (2) is I-shaped.

7. A heat exchanger return header tank according to claim 1, characterized in that: the partition board (2) is T-shaped.

8. A heat exchanger return header tank according to claim 1, characterized in that: the clapboard (2) is shaped like a Chinese character 'wang'.

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