Heat exchange equipment

Abstract

The utility model belongs to the technical field of heat exchange equipment, and discloses heat exchange equipment, which comprises a heat exchange main body, an air inlet pipe and an air outlet pipe, the heat exchange main body comprises a plurality of ceramic electric heating pipes arranged at intervals, the ceramic electric heating pipes are hollow, the air inlet pipe is fixed on the heat exchange main body, and the air outlet pipe is fixed on the heat exchange main body. The air inlet pipe is communicated with the air inlet ends of the ceramic electric heating pipes, the air outlet pipe is fixed to the heat exchange body, and the air outlet pipe is communicated with the air outlet ends of the ceramic electric heating pipes. The heat exchange equipment is simple in structure and reliable and stable in heat exchange effect, metal ion pollution is avoided, and operation energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange equipment technical field especially relates to a heat exchange equipment. BACKGROUND

[0002] At present, in the photovoltaic trough type equipment, the drying groove is heated and temperature is raised to the circulating airflow in the groove body by PTC heater, reaches the temperature control and the battery piece drying process in the groove body. In the prior art, the heat exchange sheet of metal material is generally arranged in the heat exchange equipment, the metal material can produce metal ions under the superposition of a small amount of chemical property gas in the groove body at high temperature and high pressure, and long time operation can cause the metal ion pollution of the battery piece in the groove body. In addition, the heat exchange sheet of metal material has fast cooling speed under the condition of not doing work, causes the temperature of the groove body to lose temperature, so the heater needs to work continuously, and the stage fluctuation temperature phenomenon appears. In order to meet the demand, 5KW heater needs to be configured to maintain the groove heating and process requirement, so there is the phenomenon of low heat conversion efficiency in the energy consumption aspect. SUMMARY

[0003] The utility model discloses a kind of heat exchange equipment, simple structure, heat exchange effect is reliable and stable, avoid metal ion pollution, reduce operating energy consumption.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A kind of heat exchange equipment, comprising:

[0006] Heat exchange main body, the heat exchange main body includes a plurality of interval settings ceramic electric heating pipe, the ceramic electric heating pipe is hollowly arranged;

[0007] Air inlet pipe, fixed in the first end of the heat exchange main body, the air inlet pipe is communicated with the air inlet end of a plurality of the ceramic electric heating pipe;

[0008] Air outlet pipe, fixed in the second end of the heat exchange main body, the air outlet pipe is communicated with the air outlet end of a plurality of the ceramic electric heating pipe.

[0009] As preferably, the heat exchange main body further includes two fixed plates oppositely arranged along the first direction, the ceramic electric heating pipe is fixedly arranged in the fixed plate.

[0010] As preferably, the heat exchange main body has inner cavity, the ceramic heating pipe and the fixed plate are all arranged in the inner cavity, and the outer periphery of the fixed plate is attached to the cavity wall of the inner cavity.

[0011] As preferably, further include flow guide, the flow guide is arranged in the air inlet pipe, for the air in the air inlet pipe is guided to the ceramic electric heating pipe.

[0012] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0013] The first direction is perpendicular to the second direction.

[0014] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0015] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0016] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0017] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0018] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0019] The air outlet pipe is fixed to the second end of the heat exchange main body and communicates with the air outlet ends of the plurality of ceramic electric heating pipes through an air outlet funnel, and the diameter of the air outlet funnel gradually increases from one side of the air outlet pipe to one side of the heat exchange main body.

[0020] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0021] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0022] As preferably, the ceramic electric heating pipes are arranged in at least two groups in the second direction, the flow guide member comprises a flow guide plate arranged between the end portions of the adjacent two groups of the ceramic electric heating pipes, the flow guide plate has oppositely arranged flow guide slopes in the second direction, and the air in the air inlet pipe is guided to the corresponding side ceramic electric heating pipe through the flow guide slopes.

[0023] Beneficial effects:

[0024] The heat exchange equipment provided by the utility model is used, the circulating air in the drying groove is sent to flow inside the heat exchange main body. Specifically, the ceramic electric heating pipe works, the temperature is raised to the target process temperature, the cold air enters into the plurality of ceramic electric heating pipes of the heat exchange main body from the air inlet pipe, the cold air is effectively heated to the target process temperature in the process of passing through the ceramic electric heating pipe and is discharged from the air outlet pipe, and the work is continuously carried out in this way. The heat exchange equipment uses the ceramic electric heating pipe as the heating piece, replaces the metal heat exchange sheet in the traditional equipment, avoids the metal ion to pollute the battery sheet metal ion inside the drying groove, and adopts the direct heating mode of the ceramic electric heating pipe, the heat exchange effect of the cold air is reliable and stable, the heat conversion efficiency is high, the operation energy consumption is reduced, the process time is reduced, and the production cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the structure schematic view of the heat exchange equipment provided by the utility model;

[0026] Figure 2 It is the partial structure schematic view of the heat exchange equipment provided by the utility model;

[0027] Figure 3 It is the cross section schematic view of the heat exchange equipment of one view provided by the utility model;

[0028] Figure 4 It is the cross section schematic view of the heat exchange equipment of another view provided by the utility model;

[0029] Figure 5 It is the cross section schematic view of the heat exchange equipment of still another view provided by the utility model.

[0030] In the drawing:

[0031] 1, heat exchange main body;11, ceramic electric heating pipe;111, heating electrode;12, fixed plate;13, first temperature sensing piece;

[0032] 2, air inlet pipe;21, air inlet hopper;22, second temperature sensing piece;

[0033] 3, air outlet pipe;31, air outlet hopper;32, third temperature sensing piece;

[0034] 4, deflector;41, deflector inclined surface;

[0035] 5, temperature control. DETAILED DESCRIPTION

[0036] The utility model will be further explained in detail in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawing, not all structures.

[0037] In the description of the utility model, unless another definite provision and limitation, the term "link", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two elements of the interaction relationship.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0038] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional features between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0039] In the description of the embodiment, the terms "on", "under", "right", etc. Orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0040] The embodiment provides a heat exchange equipment.Referring to Figures 1 to 5 As shown in the figure, the heat exchange equipment includes a heat exchange main body 1, an air inlet pipe 2 and an air outlet pipe 3, the heat exchange main body 1 includes a plurality of spaced ceramic electric heating pipes 11, the ceramic electric heating pipe 11 is hollowly arranged, the air inlet pipe 2 is fixed to the first end of the heat exchange main body 1, the air inlet pipe 2 is in communication with the air inlet end of the plurality of ceramic electric heating pipes 11, the air outlet pipe 3 is fixed to the second end of the heat exchange main body 1, and the air outlet pipe 3 is in communication with the air outlet end of the plurality of ceramic electric heating pipes 11.

[0041] In the embodiment, when the heat exchange device is in use, the circulating air in the drying groove is sent to flow inside the heat exchange body 1. Specifically, the ceramic electric heating pipe 11 is in operation and heated to the target process temperature, and the cold air enters the plurality of ceramic electric heating pipes 11 of the heat exchange body 1 from the air inlet pipe 2. Then the cold air is effectively heated to the target process temperature during the process of passing through the ceramic electric heating pipe and is discharged from the air outlet pipe 3, and the operation is continued in this way. The heat exchange device uses the ceramic electric heating pipe 11 as the heating element to replace the metal heat exchange sheet in the traditional device, avoids the pollution of metal ions to the battery sheet inside the drying groove, and directly heats the ceramic electric heating pipe 11. The heat exchange effect of the cold air is reliable and stable, the heat conversion efficiency is high, the operation energy consumption is reduced, the process time is reduced, and the production cost is saved.

[0042] In the embodiment, the heat exchange body 1 further includes two fixed plates 12 oppositely arranged along the first direction, and the ceramic electric heating pipe 11 is fixedly arranged through the fixed plate 12. The fixed plate 12 provides a reliable fixing space for the ceramic electric heating pipe 11. The effective fixation of the ceramic electric heating pipe 11 is ensured.

[0043] Exemplarily, the first direction and the second direction are perpendicular to each other as shown in the figure. The first direction is the axial direction of the ceramic electric heating pipe 11, and the second direction is the radial direction of the ceramic electric heating pipe 11. Figures 2 to 3

[0044] Exemplarily, the air inlet pipe 2 and the air outlet pipe 3 are arranged opposite to each other along the first direction.

[0045] In the embodiment, the heat exchange body 1 has an inner cavity, and the ceramic heating pipe 11 and the fixed plate 12 are arranged in the inner cavity, and the outer periphery of the fixed plate 12 is attached to the cavity wall of the inner cavity. Specifically, the heat exchange body 1 further includes an outer shell, and the inner cavity is arranged in the outer shell. The arrangement of the inner cavity provides a containing space for the ceramic heating pipe 11 and the fixed plate 12, and can protect the ceramic heating pipe 11 and the fixed plate 12. In addition, the outer periphery of the fixed plate 12 is attached to the cavity wall of the inner cavity, and the fixed plate 12 effectively seals other gaps in the inner cavity, so as to ensure that the cold air can effectively enter the ceramic electric heating pipe 11.

[0046] Further, the heat exchange device further includes a flow guide member arranged in the air inlet pipe 2 for guiding the air in the air inlet pipe 2 to flow into the ceramic electric heating pipe 11. By arranging the flow guide member, the air in the air inlet pipe 2 can be more reliably guided to flow into the ceramic electric heating pipe 11, the rebound resistance of the air is reduced, and the air speed is prevented from being reduced.

[0047] ​In the embodiment, the ceramic electric heating tubes 11 are arranged in at least two groups in the second direction. The flow guide member includes a flow guide plate 4 arranged between the two groups of ceramic electric heating tubes 11. The flow guide plate 4 has two oppositely arranged flow guide inclined surfaces 41. The air in the air inlet pipe 2 is guided to the corresponding ceramic electric heating tubes 11 on one side through the flow guide inclined surfaces 41. In the embodiment, the ceramic electric heating tubes 11 are arranged in two groups in the second direction. The ceramic electric heating tubes 11 in each group are arranged in three in the vertical direction, i.e., six ceramic electric heating tubes 11 are arranged in the embodiment. The flow guide plate 4 is arranged between the two groups of ceramic electric heating tubes 11. The two flow guide inclined surfaces 41 extend towards each other and intersect at one end of the air inlet pipe 2. One of the flow guide inclined surfaces 41 corresponds to one of the two groups of ceramic electric heating tubes 11, and the other flow guide inclined surface 41 corresponds to the other group of ceramic electric heating tubes 11. When the air in the air inlet pipe 2 passes through the flow guide plate 4, the flow guide plate 4 divides the air into two. The two air flows are guided to the two groups of ceramic electric heating tubes 11 through the two flow guide inclined surfaces 41, respectively. Thus, the cold air can be reliably and effectively guided to the positions where the ceramic electric heating tubes 11 are arranged, the air resistance is reduced, and the air speed is prevented from being reduced.

[0048] In the embodiment, the first end and the second end of the heat exchange main body 1 are provided with fixing plates 12, and the flow guide member is fixed to the fixing plate 12 at the first end of the heat exchange main body 1. The fixing plate 12 provides a suitable mounting position for the flow guide member. The flow guide member can be fixedly connected to the heat exchange main body 1 by screwing, interference fitting, gluing, or the like.

[0049] In some other optional embodiments, when the ceramic electric heating tubes 11 are arranged in n groups in the second direction, the number of flow guide members is n-1.

[0050] In the embodiment, a first temperature sensing member 13 is arranged on the ceramic electric heating tube 11. The first temperature sensing member 13 is used to detect the heating temperature of the ceramic electric heating tube 11 in real time, and then feedback the working condition of the ceramic electric heating tube 11.

[0051] For example, the first temperature sensing member 13 is a temperature sensor.

[0052] In the embodiment, the two ends of the ceramic electric heating tube 11 in the axial direction are respectively provided with heating electrodes 111. The two heating electrodes 111 are connected by a heating circuit to form a closed power supply loop, so that the ceramic electric heating tube 11 can work.

[0053] In the embodiment, the air inlet pipe 2 is fixed to the first end of the heat exchange main body 1 through the air inlet funnel 21 and communicates with the air inlet ends of the plurality of ceramic electric heating pipes 11, and the diameter of the air inlet funnel 21 gradually increases from one side of the air inlet pipe 2 to one side of the heat exchange main body 1; the air outlet pipe 3 is fixed to the second end of the heat exchange main body 1 through the air outlet funnel 31 and communicates with the air outlet ends of the plurality of ceramic electric heating pipes 11, and the diameter of the air outlet funnel 31 gradually increases from one side of the air outlet pipe 3 to one side of the heat exchange main body 1. The air inlet funnel 21 can guide the cold air in the air inlet pipe 2 to the first end of the heat exchange main body 1, so that the cold air corresponds to the air inlet ends of the plurality of ceramic electric heating pipes 11; the air outlet funnel 31 can guide the hot air discharged from the air outlet ends of the plurality of ceramic electric heating pipes 11 at the second end of the heat exchange main body 1 to converge to the air outlet pipe 3.

[0054] Exemplarily, the air inlet pipe 2 can be fixedly connected with the air inlet pipe 2 and the heat exchange main body 1 by screwing, welding, gluing or the like.

[0055] Exemplarily, the air outlet pipe 3 can be fixedly connected with the air inlet pipe 2 and the heat exchange main body 1 by screwing, welding, gluing or the like.

[0056] In the embodiment, the second temperature sensing element 22 is arranged on the air inlet pipe 2, and the third temperature sensing element 32 is arranged on the air outlet pipe 3. The second temperature sensing element 22 and the third temperature sensing element 32 are arranged to detect the temperature of the air in the air inlet pipe 2 and the air outlet pipe 3, respectively, and then feedback the temperature of the circulating air in the drying groove.

[0057] Exemplarily, the second temperature sensing element 22 and the third temperature sensing element 32 are temperature sensors.

[0058] In the embodiment, the heat exchange device further comprises a temperature control element 5 arranged on the heat exchange main body 1, and the temperature control element 5 is in communication connection with the plurality of ceramic electric heating pipes 11. The temperature control element 5 can adjust the heating temperature of the plurality of ceramic electric heating pipes 11, thereby meeting the use requirements of different heating conditions.

[0059] Exemplarily, the temperature control element 5 is an electric control cabinet, which can be internally provided with a PLC control module.

[0060] In summary, the heat exchange device provided in the embodiment uses the ceramic electric heating pipe 11 as the heating element to replace the metal heat exchange sheet in the traditional device, so as to avoid the pollution of metal ions in the battery piece inside the drying groove, and directly heats the cold air by using the ceramic electric heating pipe 11, so that the heat exchange effect of the cold air is reliable and stable, the heat conversion efficiency is high, the operation energy consumption is reduced, the process time is reduced, and the production cost is saved.

[0061] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A heat exchange apparatus, characterized by, The application relates to a heat exchange main body (1) comprising a plurality of spaced-apart ceramic electric heating pipes (11) arranged in a hollow manner; an air inlet pipe (2) fixed to the heat exchange main body (1) and in communication with air inlet ends of the plurality of ceramic electric heating pipes (11); and an air outlet pipe (3) fixed to the heat exchange main body (1) and in communication with air outlet ends of the plurality of ceramic electric heating pipes (11). The heat exchange main body (1) further comprises two fixed plates (12) oppositely arranged along a first direction, and the ceramic electric heating pipes (11) are fixedly arranged through the fixed plates (12). The heat exchange main body (1) has an inner cavity, and the ceramic electric heating pipes (11) and the fixed plates (12) are arranged in the inner cavity, and outer peripheries of the fixed plates (12) are attached to cavity walls of the inner cavity. The application further comprises a flow guide arranged in the air inlet pipe (2) and used for guiding air in the air inlet pipe (2) into the ceramic electric heating pipes (11).

2. The heat exchange apparatus according to claim 1, wherein The ceramic electric heating pipes (11) are arranged in at least two groups along a second direction, and the flow guide comprises a flow guide plate (4) arranged between end portions of two adjacent groups of the ceramic electric heating pipes (11), the flow guide plate (4) has flow guide inclined surfaces (41) oppositely arranged along the second direction, and air in the air inlet pipe (2) is guided to the corresponding ceramic electric heating pipes (11) through the flow guide inclined surfaces (41).

3. The heat exchange apparatus according to claim 2, wherein The first direction is perpendicular to the second direction.

4. The heat exchange apparatus according to claim 1, wherein The ceramic electric heating pipes (11) are provided with first temperature sensing elements (13).

5. The heat exchange apparatus according to claim 4, wherein The air inlet pipe (2) is fixed to a first end of the heat exchange main body (1) through an air inlet hopper (21) and is in communication with air inlet ends of the plurality of ceramic electric heating pipes (11), the air inlet hopper (21) gradually increases in diameter from one side of the air inlet pipe (2) to one side of the heat exchange main body (1). The air outlet pipe (3) is fixed to a second end of the heat exchange main body (1) through an air outlet hopper (31) and is in communication with air outlet ends of the plurality of ceramic electric heating pipes (11), and the air outlet hopper (31) gradually increases in diameter from one side of the air outlet pipe (3) to one side of the heat exchange main body (1).

6. The heat exchange apparatus according to claim 1, wherein The air inlet pipe (2) is provided with second temperature sensing elements (22), and the air outlet pipe (3) is provided with third temperature sensing elements (32).

7. The heat exchange apparatus according to claim 1, wherein The ceramic electric heating pipes (11) are respectively provided with heating electrodes (111) at two axially-opposed ends. The application further comprises a temperature control element (5) arranged on the heat exchange main body (1) and in communication connection with the plurality of ceramic electric heating pipes (11).

8. The heat exchange apparatus according to claim 1, wherein ​ 9. The heat exchange apparatus according to claim 1, wherein ​ 10. The heat exchange apparatus according to claim 1, wherein ​

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