Corona roller water circulation self-cooling device

Abstract

The utility model discloses a corona roller water circulation self-cooling device which comprises a roller body, a heat exchange box, a first circulation pipeline, a second circulation pipeline, a water pump, a water supply pipeline and a water outlet pipeline. A heat exchange plate is arranged in the heat exchange box and divides an inner cavity of the heat exchange box into a cooling cavity and a heat exchange cavity. High-temperature cooling water in the roller body flows into the cooling cavity through the second circulating pipeline, tap water enters the heat exchange cavity through the water supply pipeline, and the tap water and the cooling water exchange heat through the heat exchange plate, so that the temperature of the cooling water is reduced, and the cooled cooling water returns to the roller body again through the first circulating pipeline under the action of the water pump. And the tap water after heat exchange flows out through the water outlet pipeline. According to the corona roller water circulation self-cooling device, tap water is directly used for cooling cooling water, and a cooling tower and a refrigerating machine are not needed, so that the occupied area and energy consumption are reduced; and the tap water after heat exchange can be used for other water equipment, so that waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling devices, in particular to a corona roller water circulation self-cooling device. Background Art

[0002] In the BOPP film industry, it is often necessary to roughen the surface of the product according to different product characteristics. During the roughening process, a continuous ultra-high voltage corona system is required. During the production process of this system, while generating thousands of volts of voltage to perform corona treatment on the product surface, it causes the corona roller to quickly focus a large amount of heat. These heats must be taken away by the circulating cooling water inside the corona roller in a heat exchange manner, and the hot water circulating out from the inside of the corona roller also needs to be heat-exchanged and cooled by an external cooling device before the cooling water can continuously cool the corona roller. Currently, the cooling method of the circulating water inside the corona roller usually cools the circulating water through a cooling tower and a refrigerating machine. This method has high energy consumption and large floor space for equipment. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems in the related art to some extent. For this purpose, the utility model provides a corona roller water circulation self-cooling device.

[0004] An embodiment of the utility model provides a corona roller water circulation self-cooling device, which includes:

[0005] A roller body;

[0006] A heat exchange box, in which a heat exchange plate is provided, and the heat exchange plate divides the inner cavity of the heat exchange box into a cooling cavity and a heat exchange cavity;

[0007] A first circulation pipeline, the water inlet end of the first circulation pipeline is connected to the cooling cavity, and the water outlet end of the first circulation pipeline is connected to the inner cavity of the roller body;

[0008] A second circulation pipeline, the water inlet end of the second circulation pipeline is connected to the inner cavity of the roller body, and the water outlet end of the second circulation pipeline is connected to the cooling cavity;

[0009] A water pump, which is arranged on the first circulation pipeline, and the water pump is used to pump the water in the cooling cavity to the roller body through the first circulation pipeline;

[0010] A water supply pipeline, the water outlet end of the water supply pipeline is connected to the heat exchange cavity, and the water inlet end of the water supply pipeline is connected to the tap water pipeline;

[0011] A water outlet pipeline, the water inlet end of which is connected to the heat exchange cavity.

[0012] The corona roll water circulation self-cooling device according to the embodiments of the present utility model has at least the following technical effects: The high-temperature cooling water in the roll body flows to the cooling cavity through the second circulation pipeline. Tap water enters the heat exchange cavity through the water supply pipeline. The tap water and the cooling water conduct heat exchange through the heat exchange plate, thereby reducing the temperature of the cooling water. The cooled cooling water returns to the roll body through the first circulation pipeline under the action of the water pump, and the tap water after heat exchange flows out through the water outlet pipeline. This corona roll water circulation self-cooling device directly uses tap water to cool the cooling water, eliminating the need for a cooling tower and a refrigerator, thereby reducing the floor area and energy consumption. Moreover, the tap water after heat exchange can be used for other water-using equipment to avoid waste.

[0013] According to some embodiments of the present utility model, the heat exchange plate is annular and extends in the vertical direction. The lower end of the heat exchange plate is connected to the bottom of the heat exchange box. The outer peripheral wall of the heat exchange plate and the inner peripheral wall of the heat exchange box form the heat exchange cavity, and the inner cavity of the heat exchange plate forms the cooling cavity.

[0014] According to some embodiments of the present utility model, the water outlet end of the second circulation pipeline is higher than the water inlet end of the first circulation pipeline.

[0015] According to some embodiments of the present utility model, the corona roll water circulation self-cooling device further includes a return water pipeline. The return water pipeline extends in the horizontal direction and is located at the top of the cooling cavity. One end of the return water pipeline is connected to the water outlet end of the second circulation pipeline, and the other end of the return water pipeline is higher than the water inlet end of the first circulation pipeline.

[0016] According to some embodiments of the present utility model, the corona roll water circulation self-cooling device further includes a thermometer. The thermometer is installed in the heat exchange box, and the temperature measuring end of the thermometer is inserted into the cooling cavity.

[0017] According to some embodiments of the present utility model, the corona roll water circulation self-cooling device further includes a shunt pipeline. Both ends of the shunt pipeline are respectively connected to the water supply pipeline and the water outlet pipeline.

[0018] According to some embodiments of the present utility model, the corona roll water circulation self-cooling device further includes a temperature control valve. The temperature control valve is electrically connected to the thermometer. The temperature control valve is arranged at the connection between the shunt pipeline and the water supply pipeline, and the temperature control valve is used to control the water volume entering the heat exchange cavity.

[0019] According to some embodiments of the present utility model, when the thermometer detects that the water temperature in the cooling cavity is lower than the first temperature, the temperature control valve increases the water volume entering the shunt pipeline by controlling the valve. When the thermometer detects that the water temperature in the cooling cavity is higher than the second temperature, the temperature control valve increases the water volume entering the heat exchange cavity by controlling the valve.

[0020] According to some embodiments of the present utility model, the corona roll water circulation self-cooling device further includes a first stop valve, and the first stop valve is arranged on the water supply pipeline.

[0021] According to some embodiments of the present utility model, the corona roll water circulation self-cooling device further includes a second stop valve, and the second stop valve is arranged on the shunt pipeline.

[0022] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0023] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0024] Figure 1 is a schematic structural diagram of the corona roll water circulation self-cooling device according to some embodiments of the present utility model;

[0025] Figure 2 is a schematic structural diagram of the corona roll water circulation self-cooling device according to some embodiments of the present utility model;

[0026] Figure 3 is a schematic structural diagram of the corona roll water circulation self-cooling device according to some embodiments of the present utility model.

[0027] Reference Numerals in the Drawings:

[0028] Roll body 100, first circulation pipeline 110, second circulation pipeline 120, water pump 130, water supply pipeline 140, water outlet pipeline 150, water return pipeline 160, shunt pipeline 170;

[0029] Heat exchange box 200, heat exchange plate 210, cooling cavity 220, heat exchange cavity 230, thermometer 240, temperature control valve 250, first stop valve 261, second stop valve 262, third stop valve 263. Detailed Embodiments

[0030] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0031] In the description of the present utility model, it should be understood that with respect to the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., it is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0032] In the description of the present utility model, if the first and the second are described for the purpose of distinguishing technical features, it should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features or implicitly specifying the sequence of the indicated technical features.

[0033] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0034] The following further elaborates on the embodiments of the present utility model with reference to the drawings.

[0035] According to some embodiments of the present utility model, referring to Figures 1 to 3 , the corona roller water circulation self-cooling device includes a roller body 100, a heat exchange box 200, a first circulation pipe 110, a second circulation pipe 120, a water pump 130, a water supply pipe 140, and a water outlet pipe 150. A heat exchange plate 210 is provided in the heat exchange box 200, and the heat exchange plate 210 divides the inner cavity of the heat exchange box 200 to form a cooling cavity 220 and a heat exchange cavity 230. The water inlet end of the first circulation pipe 110 is connected to the cooling cavity 220, the water outlet end of the first circulation pipe 110 is connected to the inner cavity of the roller body 100, the water pump 130 is arranged in the first circulation pipe 110, and the water pump 130 is used to pump the water in the cooling cavity 220 into the roller body 100 through the first circulation pipe 110. The water inlet end of the second circulation pipe 120 is connected to the inner cavity of the roller body 100, and the water outlet end of the second circulation pipe 120 is connected to the cooling cavity 220. The water outlet end of the water supply pipe 140 is connected to the heat exchange cavity 230, and the water inlet end of the water supply pipe 140 is connected to the tap water pipe. The water inlet end of the water outlet pipe 150 is connected to the heat exchange cavity 230.

[0036] It can be understood that after the temperature of the cooling water in the roller body 100 rises, the high-temperature cooling water in the roller body 100 flows into the cooling cavity 220 through the second circulation pipeline 120. Tap water enters the heat exchange cavity 230 through the water supply pipeline 140. The tap water and the cooling water conduct heat exchange through the heat exchange plate 210, thereby reducing the temperature of the cooling water. The cooled cooling water returns to the roller body 100 again through the first circulation pipeline 110 under the action of the water pump 130. In this way, the cooling water is continuously maintained at a lower temperature. The tap water after heat exchange flows out through the water outlet pipeline 150.

[0037] This corona roller water circulation self-cooling device directly uses tap water to cool the cooling water, eliminating the need for cooling towers and refrigerators, thus reducing the floor area and energy consumption. The tap water after heat exchange can continue to be transported to other water-using equipment for continued use, avoiding waste of tap water.

[0038] According to some embodiments of the present invention, referring to Figure 3 , the heat exchange plate 210 is annular and extends in the up and down direction. The lower end of the heat exchange plate 210 is connected to the bottom of the heat exchange box 200. The annular region between the outer peripheral wall of the heat exchange plate 210 and the inner peripheral wall of the heat exchange box 200 is the heat exchange cavity 230, and the inner cavity of the heat exchange plate 210 is the cooling cavity 220. It can be understood that the annular shape of the heat exchange plate 210 can increase the heat exchange area between the cooling water and the tap water and improve the heat exchange efficiency.

[0039] Preferably, the water outlet port of the second circulation pipeline 120 and the water inlet port of the first circulation pipeline 110 are both located in the cooling cavity 220, and the water outlet end of the second circulation pipeline 120 is higher than the water inlet end of the first circulation pipeline 110. It can be understood that the water with a higher temperature will flow upward, and the water with a lower temperature will flow downward, so as to ensure that the cooled cooling water located below can flow back into the roller body 100 through the water inlet end of the first circulation pipeline 110.

[0040] According to some embodiments of the present invention, referring to Figure 3 , the corona roller water circulation self-cooling device further includes a return water pipeline 160. The return water pipeline 160 extends in the horizontal direction. The return water pipeline 160 is located at the top of the cooling cavity 220. One end of the return water pipeline 160 is connected to the water outlet end of the second circulation pipeline 120, and the other end of the return water pipeline 160 is higher than the water inlet end of the first circulation pipeline 110. The water inlet end of the first circulation pipeline 110 faces downward and is close to the bottom of the cooling cavity 220, so that the water with a lower temperature can enter the first circulation pipeline 110. It can be understood that the temperature of the water in the cooling cavity 220 gradually decreases from top to bottom, and the water at the bottom is discharged into the first circulation pipeline 110, improving the heat exchange efficiency and preventing the cooling water from returning to the roller body 100 without being fully cooled.

[0041] According to some embodiments of the present utility model, referring to Figure 1 , the corona roll water circulation self-cooling device further includes a thermometer 240. The thermometer 240 is installed in the heat exchange box 200, and the temperature measuring end of the thermometer 240 is inserted into the cooling cavity 220. The thermometer 240 can detect the temperature of the cooling water in the cooling cavity 220 to facilitate observing the temperature.

[0042] According to some embodiments of the present utility model, referring to Figure 1 and Figure 2 , the corona roll water circulation self-cooling device further includes a shunt pipe 170. The two ends of the shunt pipe 170 are respectively connected to the water supply pipe 140 and the water outlet pipe 150. It can be understood that a part of the tap water in the water supply pipe 140 directly flows to the water outlet pipe 150 through the shunt pipe 170 without passing through the heat exchange cavity 230, so as to ensure a large water output and a lower water temperature of the tap water in the water outlet pipe 150, meeting the needs of most water-using devices.

[0043] According to some embodiments of the present utility model, referring to Figure 1 , the corona roll water circulation self-cooling device further includes a temperature control valve 250. The temperature control valve 250 is electrically connected to the thermometer 240. The temperature control valve 250 is arranged at the connection between the shunt pipe 170 and the water supply pipe 140, and the temperature control valve 250 is used to control the water volume entering the heat exchange cavity 230.

[0044] It can be understood that when the thermometer 240 detects that the water temperature in the cooling cavity 220 is lower than the first temperature, the temperature control valve 250 increases the water volume entering the shunt pipe 170 by controlling the valve, that is, not too much tap water is needed in the heat exchange cavity 230, ensuring a large water output of the water outlet pipe 150. When the thermometer 240 detects that the water temperature in the cooling cavity 220 is higher than the second temperature, that is, more tap water is needed in the heat exchange cavity 230 to participate in heat exchange, the temperature control valve 250 increases the water volume entering the heat exchange cavity 230 by controlling the valve, thereby improving the heat exchange efficiency. The first temperature is less than the second temperature.

[0045] For example, the first temperature is 30 °C and the second temperature is 40 °C. The temperature control valve 250 has three gears. The water volume entering the water outlet pipe 150 in the first gear is greater than the water volume entering the heat exchange cavity 230. The water volume entering the water outlet pipe 150 in the second gear is equal to the water volume entering the heat exchange cavity 230. The water volume entering the water outlet pipe 150 in the third gear is less than the water volume entering the heat exchange cavity 230. When the thermometer 240 detects that the water temperature in the cooling cavity 220 is lower than 30 °C, the temperature control valve 250 is in the first gear; when the thermometer 240 detects that the water temperature in the cooling cavity 220 is between 30 °C and 40 °C, the temperature control valve 250 is in the second gear; when the thermometer 240 detects that the water temperature in the cooling cavity 220 is higher than 40 °C, the temperature control valve 250 is in the third gear.

[0046] Preferably, referring to Figure 1 , the corona roll water circulation self-cooling device further includes a first stop valve 261, a second stop valve 262 and a third stop valve 263. The first stop valve 261 is arranged on the water supply pipe 140 and is used to open or close the water supply pipe 140. The second stop valve 262 is arranged on the shunt pipe 170 and is used to open or close the shunt pipe 170. The third stop valve 263 is arranged on the water outlet pipe 150 and is used to open or close the water outlet pipe 150.

[0047] In the description of this specification, the description referring to the term "some embodiments" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above term does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0048] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A corona roll water circulation self-cooling device, characterized in that, Comprising: A roller body (100); A heat exchange box (200), within which a heat exchange plate (210) is provided, and the heat exchange plate (210) divides the inner cavity of the heat exchange box (200) into a cooling cavity (220) and a heat exchange cavity (230); A first circulation pipeline (110), the water inlet end of the first circulation pipeline (110) is connected to the cooling cavity (220), and the water outlet end of the first circulation pipeline (110) is connected to the inner cavity of the roller body (100); A second circulation pipeline (120), the water inlet end of the second circulation pipeline (120) is connected to the inner cavity of the roller body (100), and the water outlet end of the second circulation pipeline (120) is connected to the cooling cavity (220); A water pump (130), provided in the first circulation pipeline (110), and the water pump (130) is used to pump the water in the cooling cavity (220) through the first circulation pipeline (110) into the roller body (100); A water supply pipeline (140), the water outlet end of the water supply pipeline (140) is connected to the heat exchange cavity (230), and the water inlet end of the water supply pipeline (140) is connected to a tap water pipeline; A water outlet pipeline (150), its water inlet end is connected to the heat exchange cavity (230).

2. The corona roll water circulation self-cooling device according to claim 1, wherein The heat exchange plate (210) is annular and extends in the vertical direction, the lower end of the heat exchange plate (210) is connected to the bottom of the heat exchange box (200), the outer peripheral wall of the heat exchange plate (210) and the inner peripheral wall of the heat exchange box (200) form the heat exchange cavity (230), and the inner cavity of the heat exchange plate (210) forms the cooling cavity (220).

3. The corona roll water circulation self-cooling device according to claim 1, characterized in that, The water outlet end of the second circulation pipeline (120) is higher than the water inlet end of the first circulation pipeline (110).

4. The corona roll water circulation self-cooling device according to claim 3, characterized in that, The corona roller water circulation self-cooling device further includes a return water pipeline (160), the return water pipeline (160) extends in the horizontal direction, the return water pipeline (160) is located at the top of the cooling cavity (220), one end of the return water pipeline (160) is connected to the water outlet end of the second circulation pipeline (120), and the other end of the return water pipeline (160) is higher than the water inlet end of the first circulation pipeline (110).

5. The corona roll water circulation self-cooling device according to claim 1, characterized in that, The corona roller water circulation self-cooling device further includes a thermometer (240), the thermometer (240) is installed on the heat exchange box (200), and the temperature measuring end of the thermometer (240) is inserted into the cooling cavity (220).

6. The corona roll water circulation self-cooling device according to claim 5, characterized in that, The corona roller water circulation self-cooling device further includes a shunt pipeline (170), and both ends of the shunt pipeline (170) are respectively connected to the water supply pipeline (140) and the water outlet pipeline (150).

7. The corona roller water circulation self-cooling device according to claim 6, characterized in that, The corona roller water circulation self-cooling device further includes a temperature control valve (250), the temperature control valve (250) is electrically connected to the thermometer (240), the temperature control valve (250) is provided at the connection between the shunt pipeline (170) and the water supply pipeline (140), and the temperature control valve (250) is used to control the amount of water entering the heat exchange cavity (230).

8. The corona roll water circulation self-cooling device according to claim 7, characterized in that, When the thermometer (240) detects that the water temperature in the cooling cavity (220) is lower than the first temperature, the temperature control valve (250) increases the water volume entering the shunt pipeline (170) by controlling the valve; when the thermometer (240) detects that the water temperature in the cooling cavity (220) is higher than the second temperature, the temperature control valve (250) increases the water volume entering the heat exchange cavity (230) by controlling the valve.

9. The corona roll water circulation self-cooling device according to claim 1, characterized in that, The corona roller water circulation self-cooling device further includes a first stop valve (261), and the first stop valve (261) is arranged on the water supply pipeline (140).

10. The corona roll water circulation self-cooling device according to claim 6, characterized in that, The corona roller water circulation self-cooling device further includes a second stop valve (262), and the second stop valve (262) is arranged on the shunt pipeline (170).

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