Cooling liquid preparation system for low-power-consumption electrolyte

Abstract

The utility model discloses a low-power-consumption electrolyte cooling liquid configuration system which comprises a cooling tower, a cooling water circulation pipeline is connected to the cooling tower, and the cooling water circulation pipeline is connected with a plate heat exchanger at the far end of the cooling tower to conduct heat exchange and cooling on electrolyte flowing through the plate heat exchanger. The cooling water supply pipeline is further provided with a cooling water buffering and adjusting device, the cooling water buffering and adjusting device comprises a main volume cavity and an auxiliary volume cavity, the main volume cavity is directly connected to the cooling water circulation pipeline in series, and the auxiliary volume cavity is connected with the main volume cavity through a pipeline with a one-way valve. The cooling tower is further provided with a branch and is connected with the water source heat pump and the auxiliary volume cavity through the branch. The device has remarkable advantages in the aspects of reducing energy consumption, improving temperature control precision and stability, intelligently managing water quality, optimizing heat management and the like, and is suitable for electrolyte preparation in the field of electrolytic copper foil production.

Description

Technical Field

[0001] The utility model relates to the electrolyte preparation technology in the technical field of electrolytic copper foil, and specifically relates to a coolant configuration system for low-power electrolyte. Background Art

[0002] As the primary link in the electrolytic copper foil production process, electrolyte preparation can be used to provide different types of electrolytic treatment solutions necessary for subsequent surface treatment steps, such as roughening, curing, galvanizing, and chrome plating. The temperatures of these electrolytic treatment solutions need to be strictly controlled within a certain range to ensure the best surface treatment effect of the copper foil. Once the temperature deviates from this range, whether it is too high or too low, it may have an adverse impact on the quality of the copper foil, resulting in abnormalities in the quality of the copper foil after surface treatment, such as unqualified anti-oxidation performance, peel strength, etc.

[0003] In the prior art, for the cooling treatment of the electrolyte, the commonly used methods are to use a cooling tower to provide cooling water and to use chilled water provided by a chiller. Among them, the cooling effect of chilled water is better than that of cooling water, but the energy consumption is relatively high. Although the cooling water has low energy consumption, it is often difficult to meet the precise temperature control requirements of the electrolyte under high-temperature conditions in summer. There are also related enterprises in the market that configure both a cooling tower and a chiller at the same time. However, the defect of configuring both at the same time is that they are usually turned on alternately. That is, in summer with high temperatures, the chiller is usually selected to cool down, while in other seasons, the cooling tower can be turned on to meet the cooling requirements. However, this method will increase the equipment cost and waste of resources on the one hand, and also require downtime for cumbersome operation adjustment and temperature calibration operations when switching equipment, increasing the complexity and uncertainty of the production process. In addition, frequent equipment switching may also affect the stability of the electrolyte, further affecting the quality of the copper foil product. Summary of the Utility Model

[0004] The technical problem solved by the utility model is to provide a coolant configuration system for low-power electrolyte, aiming to solve the above-mentioned disadvantages in the background art.

[0005] The technical problem solved by the utility model is realized by adopting the following technical solutions:

[0006] A coolant configuration system for low-power electrolyte includes a cooling tower. A cooling water circulation pipeline is connected to the cooling tower. The cooling water circulation pipeline is connected to a plate heat exchanger at the far end of the cooling tower, and the electrolyte flowing through the plate heat exchanger is heat-exchanged and cooled by the plate heat exchanger.

[0007] A cooling water buffer and adjustment device is further provided between the water outlet end of the cooling tower and the plate heat exchanger in the cooling water supply pipeline. The cooling water buffer and adjustment device includes a main volume chamber and a secondary volume chamber. The main volume chamber is directly connected in series to the cooling water circulation pipeline. The secondary volume chamber is connected to the main volume chamber through a pipeline with a one-way valve. The opening of the one-way valve enables the secondary volume chamber to unidirectionally supplement cooling water to the main volume chamber. A branch is also provided on the cooling tower and is connected to the water source heat pump and the secondary volume chamber through the branch. The water source heat pump uses the low-temperature refrigerant in the cooling tower as a cold source and exchanges heat with the cooling water in the secondary volume chamber through a circulating working medium, so as to further pre-cool the cooling water in the secondary volume chamber.

[0008] As a further limitation, a water quality monitoring and purification unit is also provided on the cooling water circulation pipeline. The water quality monitoring and purification unit includes a water quality detection sensor provided on the main volume chamber and a filter provided on the circulation pipeline.

[0009] As a further limitation, the plate heat exchanger is a double-channel countercurrent plate heat exchanger.

[0010] As a further limitation, the main volume chamber has a larger volume to provide a stable cooling water flow rate and reduce the influence of water flow fluctuations on the electrolyte temperature control. The secondary volume chamber has a smaller volume to quickly respond to temperature changes and supplement cooling water.

[0011] As a further limitation, a water replenishment pipeline is also provided on the secondary volume chamber. The water replenishment pipeline is directly connected to an external clean water source to timely supplement the cooling water loss caused by evaporation or leakage in the cooling water circulation pipeline and ensure that the replenished water quality is pure to avoid polluting the internal water quality of the system.

[0012] As a further limitation, the volume of the secondary volume chamber is variable and can automatically or manually adjust the space size in the secondary volume chamber according to system requirements and environmental temperature changes. The way to change its volume is realized by an internal movable partition and a piston device for driving the movable partition as an adjustment mechanism.

[0013] As a further limitation, a heat compensation coil is also provided in the secondary volume chamber. The heat compensation coil is externally connected to an electric heating unit and is used to appropriately compensate the heat of the cooling water when the temperature of the cooling water in the secondary volume chamber is too low or needs to be quickly adjusted.

[0014] As a further limitation, both the main volume chamber and the secondary volume chamber are double-layer containers with a sandwich layer, and the sandwich layer is filled with polyurethane foam material as a heat insulation material.

[0015] As a further limitation, a heat insulation structure is wrapped around the pipes of the cooling water circulation pipeline and the branch. The heat insulation structure uses polyurethane foam as an inner lining to wrap the pipe, and uses fiberglass cloth as a reinforcing layer to wrap the polyurethane foam.

[0016] Beneficial effects: The low-power coolant configuration system for electrolytes of the present invention realizes precooling treatment of cooling water by introducing the combined operation of a water source heat pump and a cooling tower. The low-temperature refrigerant in the cooling tower is used as the cold source of the water source heat pump, which significantly reduces the dependence on the chiller, realizes the cascade utilization of energy and energy conservation and emission reduction, thus greatly reducing the overall energy consumption, and can achieve low-power operation on the premise of ensuring accurate control of the electrolyte temperature; at the same time, the setting of the cooling water buffer adjustment device, especially the combined use of the main volume chamber and the auxiliary volume chamber, enables the system to flexibly adjust the supply quantity and temperature of the cooling water according to the actual temperature requirements of the electrolyte.

[0017] The technical solution of the present invention not only effectively solves the problems of high energy consumption, complex equipment switching and unstable electrolyte temperature control in the traditional electrolyte cooling treatment, but also has the advantages of simple management, energy conservation and environmental protection, and low operating cost. It is convenient to access the management system, significantly improves the automation level and operating efficiency of the system, and thus can effectively improve the production efficiency and quality of electrolytic copper foil, contributing an important force to the sustainable development of the electrolytic copper foil industry. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of a preferred embodiment of the present invention.

[0019] Wherein: 1, cooling tower; 2, plate heat exchanger; 3, main volume chamber; 4, auxiliary volume chamber; 5, water source heat pump; 6, check valve; 7, cooling water buffer adjustment device. Detailed Embodiment

[0020] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below with reference to specific drawings.

[0021] See Figure 1A preferred embodiment of a coolant configuration system for a low-power electrolyte. In this embodiment, the system includes a main pipeline and branch pipelines. The main pipeline is a cooling water circulation pipeline, on which a cooling tower 1, a plate heat exchanger 2, and a main volume chamber 3 are connected in series. On the branch pipelines, a cooling tower 1, a secondary volume chamber 4, and a water source heat pump 5 are connected in series. Pumping devices are provided on the main pipeline and branch pipelines, and through the pumping devices, the liquid flows in the main pipeline and branch pipelines circulate in the arrow directions shown in the figure. The setting of the pumping devices can be flexibly configured by those skilled in the art according to the actual working conditions and requirements to ensure the smooth flow and efficient heat exchange of the cooling water. In specific implementation, centrifugal pumps or axial flow pumps with high efficiency and energy saving can be selected as the pumping devices to further reduce the energy consumption of the system.

[0022] Both the main pipeline and the branch pipelines use the cooling water of the cooling tower 1 as the medium. The main pipeline is used to draw out the cooling water in the cooling tower 1 and exchange heat to cool down the electrolyte through the plate heat exchanger 2 to ensure that the electrolyte maintains a stable temperature range during the production process. At the same time, the branch pipeline uses the low-temperature refrigerant in the cooling tower 1 as the cold source through the water source heat pump 5 to further pre-cool the cooling water in the secondary volume chamber 4 to obtain a lower-temperature cooling water reserve.

[0023] The plate heat exchanger 2 in this embodiment adopts a double-channel countercurrent plate heat exchanger, whose design effectively increases the heat exchange area and further improves the heat exchange efficiency through the countercurrent arrangement. The selection of the double-channel countercurrent plate heat exchanger not only ensures that the electrolyte can be evenly and fully cooled when flowing through the heat exchanger, but also reduces the temperature difference loss between the cooling water and the electrolyte, thus realizing the precise control of the electrolyte temperature.

[0024] In this embodiment, the main volume chamber 3, the secondary volume chamber 4, and the water source heat pump 5 together form a cooling water buffer adjustment device 7 as shown in the figure. The main volume chamber 3 and the secondary volume chamber 4 are designed to be independent of each other. The main volume chamber 3 and the secondary volume chamber 4 are connected by a pipeline with a one-way valve 6, ensuring that the secondary volume chamber 4 can unidirectionally supplement cooling water to the main volume chamber 3 when the one-way valve 6 is opened. This design can be used to utilize the excess cooling water in the cooling tower 1 through the water source heat pump 5 to provide additional cooling support when the cooling water directly obtained from the cooling tower 1 cannot reach the lower temperature requirement for heat exchange and cooling of the electrolyte.

[0025] In this embodiment, the main volume chamber 3 adopts a large-capacity design to ensure a stable supply of cooling water flow, thereby effectively weakening the adverse effects of water flow fluctuations on the electrolyte temperature control and laying a solid foundation for the stable operation of the system. At the same time, compared with the main volume chamber 3, the secondary volume chamber 4 has a smaller volume size and has the ability of rapid response and flexible adjustment. It can quickly respond to temperature fluctuations and flexibly supplement the cooling water to ensure that the electrolyte temperature is always maintained within the optimal control range, thus guaranteeing the performance and efficiency of the overall system.

[0026] In another embodiment, the secondary volume chamber 4 can also be set as a variable-volume structure, that is, it can automatically or manually adjust the space size inside the secondary volume chamber 4 according to system requirements and ambient temperature changes. The way for the secondary volume chamber 4 to change its volume is realized by an internal movable partition and a piston device for driving the movable partition as an adjustment mechanism. When more precooled cooling water is needed, the adjustment mechanism reduces the volume of the secondary volume chamber 4, allowing more cooling water to undergo heat exchange through the water source heat pump, enhancing the precooling effect; conversely, when the precooling demand is low, the volume of the secondary volume chamber 4 is increased, reducing the amount of cooling water flowing through the water source heat pump to reduce energy consumption. To cope with the variable-volume structure of the secondary volume chamber 4, the secondary volume chamber 4 also has a pressure balance function to ensure that the internal pressure of the system remains stable during the volume change process, avoiding affecting the heat exchange efficiency or equipment safety due to pressure fluctuations.

[0027] On the main pipeline, the cooling water first enters the cooling tower 1 for preliminary cooling and then flows through the main volume chamber 3. The main volume chamber 3 is designed with a large volume to provide a stable cooling water flow and reduce the adverse effects on the electrolyte temperature control caused by water flow fluctuations. A water quality detection sensor is installed on the main volume chamber 3 to monitor the water quality status in real time, ensuring the purity of the cooling water and avoiding affecting the quality of the electrolyte due to water quality problems. At the same time, a filter is also set on the circulation pipeline to further purify the cooling water and ensure the cleanliness inside the system.

[0028] The secondary volume chamber 4 forms a complement to the main volume chamber 3, facilitating the rapid adjustment of the cooling water stock and temperature and performing heat compensation through the volume size of the main volume chamber 3. Specifically, when the cooling water obtained by the main volume chamber 3 from the cooling tower 1 cannot achieve the cooling effect on the electrolyte, the cooling water in the secondary volume chamber 4 will, under the action of the control system, undergo precooling treatment through the water source heat pump 5 to supplement cooler cooling water to the main volume chamber 3. This process realizes the cascade utilization of the cooling water temperature, improving both the flexibility of the system and the energy conversion efficiency. In addition, a temperature sensor is also installed inside the secondary volume chamber 4 to monitor the temperature of the cooling water in real time, ensuring that it can be quickly adjusted to the optimal state when needed to meet the precise requirements of the electrolyte temperature control.

[0029] To further improve the heat preservation performance of the system, both the main volume chamber 3 and the auxiliary volume chamber 4 adopt a double-layer container structure, and high-quality polyurethane foam material is filled in the interlayer. With its excellent heat insulation performance, this heat preservation material effectively reduces the heat loss of the cooling water during transmission and storage, ensuring the continuous stability of the cooling water temperature. At the same time, a heat preservation structure is carefully designed on the pipes of the cooling water circulation pipeline and its branches. With polyurethane foam as the inner lining and wrapped with fiberglass cloth on the outer layer for reinforcement, the heat preservation effect of the entire system is further enhanced, reducing energy consumption.

[0030] In another embodiment, to cope with the possible sudden temperature drop in the cooling water circulation pipeline, a heat compensation coil is also provided in the auxiliary volume chamber 4. The heat compensation coil is arranged in the auxiliary volume chamber 4 and is externally connected to an electric heating unit, which is used to compensate an appropriate amount of heat for the cooling water in the auxiliary volume chamber 4 when the temperature of the cooling water in the auxiliary volume chamber is too low or rapid adjustment is required.

[0031] In addition, a water quality monitoring and purification unit is also provided on the cooling water circulation pipeline. Specifically, the water quality monitoring and purification unit includes a water quality detection sensor arranged on the main volume chamber and a filter arranged on the cooling water circulation pipeline. It effectively removes impurities, microorganisms and corrosive substances in the cooling water, keeps the cooling water quality clean, extends the service life of the system, and at the same time reduces the potential threat to the quality of the electrolyte and copper foil production caused by water quality problems. And in the auxiliary volume chamber 4, a water supply pipeline is also provided. The water supply pipeline is directly connected to an external clean water source to timely supplement the loss of cooling water in the cooling water circulation pipeline due to evaporation or leakage, and ensure that the replenished water quality is pure to avoid polluting the internal water quality of the system.

[0032] In summary, through a series of innovative designs and technical optimizations, the low-power consumption coolant configuration system for electrolytes of the present utility model not only realizes precise control of the electrolyte temperature, but also greatly reduces the overall energy consumption of the system. Its unique cooling water buffer adjustment device, efficient heat compensation mechanism and excellent heat preservation performance jointly construct an efficient, stable and energy-saving electrolyte cooling system, injecting new vitality into the sustainable development of the electrolytic copper foil industry.

[0033] The above shows and describes the basic principles, main features and advantages of the present utility model.

[0034] Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A coolant configuration system for a low-power electrolyte, characterized in that, The system includes a cooling tower, and a cooling water circulation pipeline is connected to the cooling tower. The cooling water circulation pipeline is connected to a plate heat exchanger at the far end of the cooling tower, and the electrolyte flowing through the plate heat exchanger is heat-exchanged and cooled by the plate heat exchanger. A cooling water buffer adjustment device is further arranged between the water outlet end of the cooling tower and the plate heat exchanger on the cooling water supply pipeline. The cooling water buffer adjustment device includes a main volume chamber and a secondary volume chamber. The main volume chamber is directly connected in series to the cooling water circulation pipeline. The secondary volume chamber is connected to the main volume chamber through a pipeline with a check valve. The opening of the check valve enables the secondary volume chamber to unidirectionally supplement cooling water to the main volume chamber. A branch is also arranged on the cooling tower and is connected to a water source heat pump and the secondary volume chamber through the branch. The water source heat pump uses the low-temperature refrigerant in the cooling tower as a cold source and exchanges heat with the cooling water in the secondary volume chamber through a circulating working medium, so as to further pre-cool the cooling water in the secondary volume chamber.

2. The coolant configuration system for low-power electrolytes according to claim 1, wherein, A water quality monitoring and purification unit is also arranged on the cooling water circulation pipeline. The water quality monitoring and purification unit includes a water quality detection sensor arranged on the main volume chamber and a filter arranged on the circulation pipeline.

3. The coolant configuration system for low-power electrolytes according to claim 1, characterized in that The plate heat exchanger is a double-channel countercurrent plate heat exchanger.

4. The coolant configuration system for low-power electrolytes according to claim 1, characterized in that The main volume chamber has a larger volume, and the secondary volume chamber has a smaller volume.

5. The coolant configuration system for low-power electrolytes according to claim 1, characterized in that A water replenishing pipeline is also arranged on the secondary volume chamber. The water replenishing pipeline is directly connected to an external clean water source to timely supplement the cooling water loss caused by evaporation or leakage in the cooling water circulation pipeline.

6. The coolant configuration system for low-power electrolytes according to claim 1, characterized in that The volume of the secondary volume chamber is variable, and its volume change mode is realized by an adjustment mechanism including an internal movable partition and a piston device for driving the movable partition.

7. The coolant configuration system for low-power electrolytes according to claim 1, wherein A heat compensation coil is also arranged in the secondary volume chamber, and the heat compensation coil is externally connected to an electric heating unit.

8. The coolant configuration system for low-power electrolytes according to claim 1, characterized in that, Both the main volume chamber and the secondary volume chamber are double-layer containers with a sandwich layer, and a polyurethane foam material is filled in the sandwich layer as a heat insulation material.

9. The coolant configuration system for low-power electrolytes according to claim 1, wherein The pipes of the cooling water circulation pipeline and the branch are externally wrapped with a heat insulation structure. The heat insulation structure uses polyurethane foam as an inner lining to wrap the pipe, and uses a fiberglass cloth as a reinforcing layer to wrap the polyurethane foam.

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