CN220300856U

CN220300856U - Heat exchange structure

Info

Publication number: CN220300856U
Application number: CN202321642873.3U
Authority: CN
Inventors: 王京; 骆丽萍; 周景康
Original assignee: Foshan Aotong Industry Equipment Co ltd
Current assignee: Foshan Aotong Industry Equipment Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2024-01-05
Anticipated expiration: 2033-06-26

Abstract

The utility model relates to the field of enamel processing, and discloses a heat exchange structure which comprises a soaking box, a heat exchanger, a hot water tank and an air supply device, wherein the heat exchanger is arranged in the soaking box, the heat exchanger is connected with the hot water tank through a pipeline, the air supply device is arranged on the soaking box, and the air supply device is arranged at the inner bottom of the soaking box.

Description

Heat exchange structure

Technical Field

The utility model relates to the field of enamel processing, in particular to a heat exchange structure.

Background

In the enamel processing process, the workpiece is required to be subjected to pre-degreasing and hot water soaking pretreatment procedures so as to remove impurities such as dust, greasy dirt, rust and the like on the surface of the workpiece. Among these processes, there is a link in which the soak solution needs to be heated so that the workpiece is soaked in the liquid at a set temperature. Among them, hot water immersion is generally used for cleaning dust on the surface of a workpiece, cleaning a solution on the surface of a workpiece after pickling, and the like. Currently, the hot water soaking process generally requires a plurality of spiral heat exchangers to be placed in a water tank, thereby achieving heating and maintaining the water in the water tank at a desired temperature. After the workpiece is soaked in hot water, the surface of the workpiece is dedusted by using an air curtain. However, under the condition that a plurality of layers of impurities are arranged on the surface of a workpiece, the traditional hot water soaking is carried out, the impurities in the inner deep layer are possibly wrapped by the surface refractory impurities, the cleaning is not easy to carry out, and after the water soaking, the impurities are possibly blown away under the action of the tension of water.

Disclosure of Invention

The utility model aims to solve the technical problems that: at least one technical problem that the above-mentioned proposed is solved, provides a heat transfer structure to carry out the clearance to a certain extent to the impurity that glues on work piece surface in the hot water soaking process.

The utility model solves the technical problems as follows:

the utility model provides a heat exchange structure, includes soaking box, still includes heat exchanger, hot-water tank and air feeder, the heat exchanger sets up soaking box is interior, the heat exchanger with the hot-water tank passes through the pipe connection, air feeder sets up soaking box is last, air feeder sets up soaking box's interior bottom.

As a further improvement of the technical scheme, a plurality of heat exchangers are arranged, all the heat exchangers are sequentially arranged in the soaking box along the left-right direction, the heat exchangers adjacent left and right are sequentially connected in series, the heat exchanger at the leftmost end is connected to the hot water tank through a water outlet pipe, and the heat exchanger at the rightmost end is connected to the hot water tank through a water inlet pipe.

As a further improvement of the technical scheme, the left side wall of the soaking box is provided with a water inlet valve, the right side wall of the soaking box is provided with a water outlet valve, and all the heat exchangers are distributed along the left-right direction.

As a further improvement of the technical scheme, a first partition plate is arranged in the soaking box, a plurality of first air holes are formed in the first partition plate, the first partition plate is fixedly connected with the soaking box, and the air supply device is arranged below the first partition plate, so that air bubbles generated by the air supply device pass through the first air holes in the first partition plate.

As a further improvement of the technical scheme, a second partition plate is arranged in the soaking box, the height of the second partition plate is larger than that of the first partition plate, and a plurality of second air holes are formed in the second partition plate.

As a further improvement of the above technical solution, the pore diameter of the second air hole is smaller than the pore diameter of the first air hole.

As a further improvement of the technical scheme, the air supply device comprises an air pipe, an air tap and an air supply pump, wherein the air tap is connected with the air supply pump through the air pipe, and the air tap is arranged at the inner bottom of the soaking box.

As a further improvement of the technical scheme, the top surface of the soaking box is provided with a vent hole, and the air pipe upwards penetrates through the vent hole and is inserted into the soaking box to be connected with the air tap.

As a further improvement of the above technical solution, the heat exchanger is arranged in a spiral shape, and the spiral heat exchanger surrounds the vent hole.

The beneficial effects of the utility model are as follows: the heat exchanger is connected with the hot water tank through a pipeline, water in the hot water tank is conveyed into the heat exchanger through the pipeline, the water in the heat exchanger and the water in the soaking tank are subjected to heat exchange, the water after heat exchange flows back into the hot water tank from the heat exchanger, a large number of bubbles can be generated in liquid in the soaking tank through the arrangement of the air supply device, the bubbles are utilized to contact with a workpiece, on one hand, impurities on the workpiece can be impacted through the bubbles, so that the impurities are loosened on the workpiece and fall off more easily, on the other hand, by the action of the surface tension of the water around the bubbles, the solid impurities adhered to one part of the impurities can be taken away, the surface of the workpiece can be further cleaned in the process of soaking the workpiece in hot water, and the cleaning effect is good.

Drawings

FIG. 1 is an isometric view of a soaking tank, trachea of the present utility model;

FIG. 2 is an isometric view of the soaking tank, air tube, heat exchanger of the present utility model;

FIG. 3 is an isometric view of the soaking tank, air tube, heat exchanger, air tap of the present utility model;

FIG. 4 is a schematic diagram of the connection of the hot water tank, water pump, water inlet pipe, water outlet pipe and heat exchanger of the present utility model;

FIG. 5 is a schematic top view of a broken top view of the heat exchanger, second separator, and soaking tank of the present utility model;

fig. 6 is a schematic view of the soaking tank, the air pipe, the water inlet valve, the water discharge valve, the first partition plate and the second partition plate of the present utility model.

In the accompanying drawings: 1-soaking box, 2-heat exchanger, 61-air pipe, 62-air tap, 4-first baffle, 5-second baffle, 71-hot water tank, 72-water pump, 73-inlet tube, 74-outlet tube, 81-inlet valve, 82-drain valve.

Detailed Description

In order to more clearly illustrate the technical solution in the embodiments of the present utility model, the above description of the embodiments refers to the accompanying drawings. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features of the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 to 6, a heat exchange structure comprises a soaking box 1, a heat exchanger 2, a hot water tank 71 and an air supply device, wherein the heat exchanger 2 is arranged in the soaking box 1, the heat exchanger 2 is connected with the hot water tank 71 through a pipeline, the air supply device is arranged on the soaking box 1, and the air supply device is arranged at the inner bottom of the soaking box 1.

According to the method, the heat exchanger 2 is connected with the hot water tank 71 through the pipeline, water in the hot water tank 71 is conveyed into the heat exchanger 2 through the pipeline, heat exchange is carried out between the water in the heat exchanger 2 and the water in the soaking tank 1, the heat exchanged water flows back into the hot water tank 71 from the heat exchanger 2, a large number of bubbles can be generated in the liquid in the soaking tank 1 through the arrangement of the air supply device, the bubbles are used for contacting with the workpiece, on one hand, the bubbles can be used for impacting impurities on the workpiece, so that the impurities are loosened on the workpiece and are easier to fall off, on the other hand, due to the action of surface tension of the water around the bubbles, the adhered solid impurities can be taken away, and in the process of soaking the workpiece in hot water, the surface of the workpiece can be further cleaned, and the cleaning effect is good.

When in use, the hot water in the hot water tank 71 is conveyed into the heat exchanger 2 along one pipeline by the water pump 72, the hot water in the heat exchanger 2 exchanges heat with the water in the soaking tank 1, and then the water in the heat exchanger 2 flows back into the hot water tank 71 through the other pipeline.

In actual use, a heating rod is provided in the hot water tank 71, and the heating rod is used for heating the process water in the hot water tank 71. The heating rod can generate heat through external commercial power.

In some embodiments, a plurality of heat exchangers 2 are provided, all the heat exchangers 2 are sequentially arranged in the soaking tank 1 along the left-right direction, the heat exchangers 2 adjacent left and right are sequentially connected in series, the leftmost heat exchanger 2 is connected to the hot water tank 71 through a water outlet pipe 74, and the rightmost heat exchanger 2 is connected to the hot water tank 71 through a water inlet pipe 73. When in use, water in the hot water tank 71 is conveyed into the heat exchanger 2 through the water inlet pipe 73, and then water in the heat exchanger 2 is conveyed into the hot water tank 71 through the water outlet pipe 74, so that the circulation of hot water is realized. In actual use, the water inlet pipe 73 is provided with the water pump 72, namely the water inlet pipe 73 is divided into two sections of pipes; one end of one length of tubing is connected to a hot water tank 71 and the other end is connected to an input port in a water pump 72; one end of the remaining length of tubing is connected to the output of the water pump 72 and the other end is connected to the input of the rightmost heat exchanger 2. The outlet of the leftmost heat exchanger 2 is connected to the hot water tank 71 via a water outlet pipe 74.

In some embodiments, the left side wall of the soaking tank 1 is provided with a water inlet valve 81, the right side wall of the soaking tank 1 is provided with a water outlet valve 82, and all the heat exchangers 2 are arranged along the left-right direction. The structure is simple and convenient to set, and through the arrangement of the structure, the liquid in the soaking box 1 can be conveniently replaced. Preferably, the drain valve 82 is disposed at the bottom of the right side wall.

In some embodiments, a first partition board 4 is disposed in the soaking tank 1, a plurality of first air holes are formed in the first partition board 4, the first partition board 4 is fixedly connected with the soaking tank 1, and the air supply device is disposed below the first partition board 4, so that air bubbles generated by the air supply device pass through the first air holes in the first partition board 4. This simple structure, setting up the convenience for after the bubble passes through first gas vent, the volume of single bubble is littleer through setting up a plurality of first gas vents on first baffle 4, and the purpose is that the messenger bubble contacts more fully with the work piece.

In actual use, the soaking box 1 is internally provided with a first cylinder, the first cylinder extends vertically, the lower end surface of the first cylinder is fixed with the inner bottom surface of the soaking box 1, for example, the lower end surface of the first cylinder is fixed on the inner bottom surface of the soaking box 1 through screws. The upper end of the first cylinder is provided with a first baffle plate 4, the first baffle plate 4 covers the upper end of a channel surrounded by the inner wall of the first cylinder, and the first baffle plate 4 is fixedly connected with the first cylinder, for example, the first baffle plate 4 is fixedly connected with the first cylinder through screws.

In some embodiments, a second partition plate 5 is disposed in the soaking tank 1, the height of the second partition plate 5 is greater than that of the first partition plate 4, and a plurality of second air holes are formed in the second partition plate 5. In use, the soaking box 1 is internally provided with a second cylinder, the second cylinder extends vertically, the lower end surface of the second cylinder is fixed with the inner bottom surface of the soaking box 1, for example, the lower end surface of the second cylinder is fixed on the inner bottom surface of the soaking box 1 through screws. The upper end of the second cylinder is provided with a second baffle plate 5, the second baffle plate 5 covers the upper end of a channel surrounded by the inner wall of the second cylinder, and the second baffle plate 5 is fixedly connected with the second cylinder, for example, the second baffle plate 5 is fixedly connected with the second cylinder through screws.

In other embodiments, the first cylinder is disposed within a channel defined by the second cylinder, the first cylinder having a height that is less than the height of the second cylinder.

In some embodiments, the second air hole has a smaller pore size than the first air hole. The structure is simple and convenient to set, and the size of bubbles can be further reduced through the structure. Of course, the user can select the first air holes and the second air holes with different sizes according to actual conditions.

In some embodiments, the air supply device comprises an air pipe 61, an air tap 62 and an air supply pump, wherein the air tap 62 and the air supply pump are connected through the air pipe 61, and the air tap 62 is arranged at the inner bottom of the soaking box 1. In use, the gas supply pump delivers gas to the gas pipe 61, and the gas pipe 61 delivers gas to the gas nipple 62 for ejection. In actual use, the air supply pump is arranged beside the brewing chamber 1.

In some embodiments, the top surface of the soaking tank 1 is provided with a vent hole, and the air pipe 61 is inserted into the soaking tank 1 upwards through the vent hole to be connected with the air tap 62. By this configuration, the air pipe 61 can be conveyed from below the immersing tank 1, the air tap 62 ejects air upward, and the gas ejected by the air tap 62 forms bubbles in the liquid in the immersing tank 1.

In some embodiments, the gas from the gas tap 62 forms bubbles in the liquid in the soaking tank 1, and the bubbles pass through the first air holes on the first partition plate 4 and the air holes on the second partition plate 5, so that the volume of a single bubble is reduced, the single large bubble is dispersed into a plurality of small bubbles, the small bubbles are used for contacting the workpiece, and the contact area is larger than that of the large bubbles.

In some embodiments, the heat exchanger 2 is arranged in a spiral, the spiral heat exchanger 2 surrounding the vent. The heat exchanger has the advantages of simple structure, convenience in arrangement, large contact area between the heat exchanger 2 and water in the soaking tank 1 and good heat exchange effect. In addition, the spiral heat exchanger 2 is disposed around the vent hole, so that in some embodiments, the spiral heat exchanger 2 is disposed around the air tap 62, so that the heat exchanger 2 exchanges heat with the air bubbles ejected from the air tap 62, and the air bubbles are relatively close to the temperature in the soaking solution.

In actual use, the air flow output from the air supply device is relatively close to the temperature of the liquid in the soaking tank 1, and the air pipe 61 connected between the air supply pump and the air tap 62 is provided in the hot water tank 71.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments described above, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides a heat transfer structure, includes soaking case (1), its characterized in that still includes heat exchanger (2), hot-water tank (71) and air feeder, heat exchanger (2) set up in soaking case (1), heat exchanger (2) with hot-water tank (71) are through the pipe connection, air feeder sets up on soaking case (1), air feeder sets up the interior bottom of soaking case (1), air feeder includes trachea (61), air cock (62) and air feed pump, pass through between air cock (62) and the air feed pump air cock (61) link to each other, air cock (62) set up the interior bottom of soaking case (1).

2. The heat exchange structure according to claim 1, wherein a plurality of heat exchangers (2) are provided, all the heat exchangers (2) are sequentially arranged in the soaking tank (1) in the left-right direction, the heat exchangers (2) adjacent left-right are sequentially connected in series, the heat exchanger (2) at the leftmost end is connected to the hot water tank (71) through a water outlet pipe (74), and the heat exchanger (2) at the rightmost end is connected to the hot water tank (71) through a water inlet pipe (73).

3. The heat exchange structure according to claim 2, wherein a water inlet valve (81) is provided on a left side wall of the soaking tank (1), a water outlet valve (82) is provided on a right side wall of the soaking tank (1), and all the heat exchangers (2) are arranged in a left-right direction.

4. The heat exchange structure according to claim 1, wherein a first partition plate (4) is arranged in the soaking box (1), a plurality of first air holes are formed in the first partition plate (4), the first partition plate (4) is fixedly connected with the soaking box (1), and the air supply device is arranged below the first partition plate (4) so that air bubbles generated by the air supply device pass through the first air holes in the first partition plate (4).

5. The heat exchange structure according to claim 4, wherein a second partition plate (5) is arranged in the soaking box (1), the height of the second partition plate (5) is larger than that of the first partition plate (4), and a plurality of second air holes are formed in the second partition plate (5).

6. The heat exchange structure according to claim 5, wherein the second air holes have a smaller pore diameter than the first air holes.

7. The heat exchange structure according to claim 1, wherein the top surface of the soaking tank (1) is provided with a vent hole, and the air pipe (61) is inserted into the soaking tank (1) upwards through the vent hole to be connected with the air tap (62).

8. The heat exchange structure according to claim 7, wherein the heat exchanger (2) is arranged in a spiral shape, the spiral-shaped heat exchanger (2) surrounding the ventilation hole.