CN113663596B - Static pool additive dynamic adding system - Google Patents

Abstract

The invention provides a static pool additive dynamic adding system which comprises a copper melting tank and a heating tank, wherein the bottom of the copper melting tank is communicated with a first pipeline, the lower end of the first pipeline is communicated with the heating tank, a first filtering mechanism is arranged on the first pipeline, a quantitative adding mechanism is arranged on the heating tank, a second pipeline is arranged at the bottom of the heating tank, the second pipeline is communicated with an electrolytic bath, and a second filtering mechanism is arranged on the second pipeline. The automatic quantitative feeding device can automatically and quantitatively feed various additives, and can continuously and accurately control the addition amount of the additives by controlling the specific flow rate through the peristaltic pump, thereby meeting the requirements of actual production and reducing the labor cost.

Description

Static pool additive dynamic adding system

Technical Field

The invention belongs to the technical field of electrolytic copper foil production equipment, and particularly relates to a static pool additive dynamic adding system.

Background

The electrolytic copper foil has good conductivity and is often used as a negative current collector material of a lithium ion battery. With the rapid development of the lithium ion battery industry, the supply demand and the performance demand of the electrolytic copper foil are continuously improved. The electrolytic copper foil for the high-performance lithium ion battery, which is prepared and has the characteristics of double-sided light, high tensile strength and low warping, has higher requirements on the additive ratio and the process conditions. Generally, when the electrolytic copper foil has low tensile strength, the dimensional stability and flatness of the electrode are easily deteriorated, and the copper foil is easily broken, which causes the yield of the negative electrode material to be reduced, and affects the capacity, internal resistance and service life of the battery. In addition, the quality of the high-tensile-strength lithium-ion battery copper foil can be directly influenced by the interaction of the types and the contents of different additives.

In the production process of the electrolytic copper foil, the electrolyte and the additive added in the electrolyte are continuously small-sized, the electrolyte and the additive need to be continuously added in an electrolytic cell in the production process, at present, the electrolyte and the additive are monitored discontinuously, but manual weighing and blending are adopted in the adding process, the consumed labor cost is high, and the error of the preparation is large.

Disclosure of Invention

In view of this, the invention provides a static pool additive dynamic adding system, which can automatically and quantitatively add various additives, control the specific flow rate through a peristaltic pump, continuously and accurately control the addition of the additives, and meet the requirements of actual production.

In order to solve the technical problem, the invention provides a static pool additive dynamic adding system which comprises a copper melting tank and a heating tank, wherein the bottom of the copper melting tank is communicated with a first pipeline, the lower end of the first pipeline is communicated with the heating tank, a first filtering mechanism is arranged on the first pipeline, a quantitative adding mechanism is arranged on the heating tank, a second pipeline is arranged at the bottom of the heating tank, the second pipeline is communicated with an electrolytic bath, and a second filtering mechanism is arranged on the second pipeline.

Furthermore, the quantitative adding mechanism comprises a plurality of groups of liquid storage mechanisms, a liquid supply hose is arranged at the bottom of each liquid storage mechanism, a peristaltic pump is arranged on each liquid supply hose, and the end part of each liquid supply hose is communicated with the heating tank.

Further, the liquid storage mechanism comprises at least two liquid storage tanks, liquid outlet pipes are arranged at the lower ends of the liquid storage tanks, electromagnetic valves are arranged on the liquid outlet pipes, the end parts of the liquid outlet pipes in each group are communicated with the multiple channels, and outlets of the multiple channels are communicated with the liquid supply hose.

Further, the liquid storage pot includes the body, the top of body is the opening, the inboard symmetry of body sets up the spout, this internal level sets up first filter membrane, first filter membrane sets up on propping the ring, prop the ring and agree with mutually with the inboard of body, prop the both sides of ring and correspond the spout and set up the slider, set up the connecting rod on the slider, the top of connecting rod sets up the handle of L type.

Further, the top of body corresponds the handle and sets up the recess, the opening part sets up the apron.

Further, the heating tank comprises a tank body and a tank top arranged at the upper end of the tank body, a mounting hole is formed in the middle of the tank top, a bearing is arranged in the mounting hole, a stirring rod is inserted into the bearing, the upper end of the stirring rod is in transmission connection with a stirring motor arranged on the tank top, and stirring blades are arranged on the part, extending into the tank body, of the stirring rod.

Further, the tank side wall is of a double-layer structure, the middle gap is a heating cavity, the upper portion of the tank side wall is provided with a hot water inlet, the lower portion of the tank side wall is provided with a hot water outlet, and the hot water inlet, the hot water outlet and the water supply mechanism are communicated in a circulating mode.

Further, water supply mechanism includes the heating cabinet, the heating cabinet bottom sets up the heating plate, set up the outlet pipe in the heating cabinet, the heating cabinet sets up the water pump outward, the water pump with the outlet pipe intercommunication, water pump and first hot water pipeline intercommunication, first hot water pipeline and hot water import intercommunication, the hot water export passes through second hot water pipeline and heating cabinet intercommunication.

Furthermore, the first filtering mechanism comprises a filtering pipe arranged on a first pipeline, the upstream of the filtering pipe is respectively communicated with the first flushing pipeline and the first pipeline through a first three-way valve, the downstream of the filtering pipe is respectively communicated with the second flushing pipeline and the first pipeline through a second three-way valve, and a second filtering membrane is arranged in the filtering pipe.

Furthermore, the second filtering mechanism adopts a fine filter.

The technical scheme of the invention has the following beneficial effects:

the automatic quantitative feeding device can automatically and quantitatively feed various additives, and can continuously and accurately control the addition amount of the additives by controlling the specific flow rate through the peristaltic pump, thereby meeting the requirements of actual production and reducing the labor cost.

In addition, the liquid storage mechanism for temporarily storing the additive is provided with at least two liquid storage tanks, the bottoms of the two liquid storage tanks are communicated with the liquid supply hose through a tee joint, so that the additive in one liquid storage tank can be directly transferred to the liquid outlet of the other liquid storage tank under the condition that the additive in the other liquid storage tank is used up, and the configuration of the additive cannot be influenced.

A filter membrane has been placed to the liquid storage pot for storing the additive, and the additive can filter the additive through the filter membrane when putting into the configuration of liquid storage pot, avoids having impurity to sneak into.

The system has two filtering mechanisms, including filtering the copper sulfate solution after copper melting and filtering the liquid after the copper sulfate solution and the additive are mixed, so that the liquid entering the electrolytic bath does not contain large impurities and the quality of the copper foil is not influenced.

Drawings

FIG. 1 is a system configuration diagram of a static tank additive dynamic addition system of the present invention;

FIG. 2 is a schematic structural view of a liquid storage mechanism of the present invention;

FIG. 3 is a top view of the fluid reservoir of the present invention;

FIG. 4 is a schematic view of the heating tank of the present invention;

FIG. 5 is a schematic view of the structure of the water supply mechanism of the present invention;

fig. 6 is a schematic structural view of a first filter mechanism according to the present invention.

1. A liquid storage mechanism; 2. a liquid supply hose; 3. a peristaltic pump; 4. a copper melting tank; 5. a first pipeline; 6. a first filtering mechanism; 7. a heating tank; 8. a second pipeline; 9. a second filter mechanism; 10. a cover plate; 11. a groove; 12. a connecting rod; 13. a chute; 14. a support ring; 15. a slider; 16. a liquid outlet pipe; 17. an electromagnetic valve; 18. multi-pass; 19. a first filter membrane; 20. a handle; 21. a body; 22. a stirring rod; 23. a bearing; 24. the top of the tank; 25. a first hot water pipe; 26. a stirring blade; 27. a heating cavity; 28. a second hot water pipe; 29. a water pump; 30. a water outlet pipe; 31. a heating box; 32. heating the plate; 33. a first flushing line; 34. a first three-way valve; 35. a filter tube; 36. a second filter membrane; 37. a second three-way valve; 38. a second flush line; 39. a hot water inlet; 40. a hot water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

Example one

As shown in fig. 1-6: the utility model provides a pond additive developments addition system stews, is including melting copper jar 4 and heating jar 7, melt copper jar 4 bottom intercommunication first pipeline 5, 5 lower extremes of first pipeline and heating jar 7 intercommunication, set up first filter mechanism 6 on the first pipeline 5, it adds the mechanism to set up the ration on the heating jar 7, heating jar 7 bottom sets up second pipeline 8, second pipeline 8 and electrolysis trough intercommunication, set up second filter mechanism 9 on the second pipeline 8.

Specifically, after copper products and sulfuric acid are placed in the copper melting tank 4, air is introduced to enable the copper products and the sulfuric acid to react to form a copper sulfate solution, the copper sulfate solution enters the heating tank 7 through the first pipeline 5, the temperature in the heating tank 7 is controlled to be 60-70 ℃, additives are fed into the heating tank 7 through a quantitative adding mechanism, and the additives are stirred and mixed uniformly. First filtering mechanism 6 filters the copper sulfate solution, avoids the bold impurity including, and second filtering mechanism 9 filters final interpolation liquid, can filter more tiny impurity.

According to one embodiment of the present invention, as shown in figures 1 and 2,

the quantitative adding mechanism comprises a plurality of groups of liquid storage mechanisms 1, a liquid supply hose 2 is arranged at the bottom of each liquid storage mechanism 1, a peristaltic pump 3 is arranged on each liquid supply hose 2, and the end portion of each liquid supply hose 2 is communicated with a heating tank 7.

The liquid storage mechanism 1 comprises at least two liquid storage tanks, liquid outlet pipes 16 are arranged at the lower ends of the liquid storage tanks, electromagnetic valves 17 are arranged on the liquid outlet pipes 16, the end parts of the liquid outlet pipes 16 in each group are communicated with a multi-way pipe 18, and the outlets of the multi-way pipes 18 are communicated with the liquid supply hose 2.

The number of the liquid storage mechanisms 1 is determined according to the types of additives, for the company, the liquid storage mechanisms 1 are five, the liquid storage mechanisms 1 are composed of two liquid storage tanks, the bottoms of the two liquid storage tanks are communicated with a multi-way 18 through a liquid outlet pipe 16, the outlet of the multi-way 18 is communicated with a liquid supply hose 2, a solenoid valve 17 on the liquid outlet pipe 16 can control whether the corresponding liquid storage tank discharges liquid, a tee joint is adopted in the multi-way 18 in the figure, namely the two liquid storage tanks are both communicated with the liquid supply hose 2 through the tee joint, liquid is discharged through one liquid storage tank in work, when the additives in the liquid storage tank are about to be used up, the corresponding solenoid valve 17 is closed, the communication state of the tee joint is adjusted, the additives are reconfigured, and the additives are discharged from the bottom of the other liquid storage tank.

According to one embodiment of the present invention, as shown in figures 2 and 3,

the liquid storage tank comprises a body 21, the top of the body 21 is an opening, sliding grooves 13 are symmetrically formed in the inner side of the body 21, a first filter membrane 19 is horizontally arranged in the body 21, the first filter membrane 19 is arranged on a supporting ring 14, the supporting ring 14 is matched with the inner side of the body 21, sliding blocks 15 are arranged on two sides of the supporting ring 14 corresponding to the sliding grooves 13, connecting rods 12 are arranged on the sliding blocks 15, and L-shaped handles 20 are arranged at the tops of the connecting rods 12. The top of the body 21 is provided with a groove 11 corresponding to the handle 20, and the opening is provided with a cover plate 10.

An opening is arranged at the top 24 of the liquid storage tank, so that the additive is favorably configured, and the first filter membrane 19 is conveniently taken and placed. The structural size of the supporting ring 14 is matched with the inner side of the body 21, the sliding blocks 15 are arranged on two sides of the supporting ring 14, the sliding blocks 15 can be limited and lifted in the sliding grooves 13, and the operation of the supporting ring 14 is realized by the handle 20 and the connecting rod 12. In specific use, the first filter membrane 19 is taken out for cleaning after the additive is used up each time, the additive is put into the filter membrane for reconfiguration after the filter membrane is cleaned and dried, and the cover plate 10 is covered on the top of the body 21 after the additive is added.

According to one embodiment of the present invention, as shown in figure 4,

the heating tank 7 comprises a tank body, a tank top 24 arranged at the upper end of the tank body, a mounting hole is formed in the middle of the tank top 24, a bearing 23 is arranged in the mounting hole, a stirring rod 22 is inserted into the bearing 23, the upper end of the stirring rod 22 is connected with a stirring motor arranged at the tank top 24 in a transmission mode, and stirring blades 26 are arranged on the part, extending into the tank body, of the stirring rod 22.

The tank side wall is of a double-layer structure, the gap in the middle of the tank side wall is a heating cavity 27, a hot water inlet 39 is formed in the upper portion of the tank side wall, a hot water outlet 40 is formed in the lower portion of the tank side wall, and the hot water inlet 39, the hot water outlet 40 and the water supply mechanism are communicated in a circulating mode.

The heating tank 7 is mainly used for controlling the temperature, so that the additive can enter the copper sulfate solution and be mixed conveniently. The center of the top of the heating tank 7 is provided with a stirring rod 22, and the stirring rod 22 drives a stirring blade 26 at the lower part to accelerate the mixing of the copper sulfate solution and the additive through a stirring motor. The heating principle of the heating tank 7 is realized through the heating cavity 27 on the side, the upper part of the heating cavity 27 is provided with a hot water inlet 39, the bottom of the heating cavity 27 is provided with a hot water outlet 40, the temperature inside the heating cavity can be controlled by supplying hot water through a water supply mechanism, and meanwhile, a temperature sensor can be arranged in the tank body for accurately controlling the temperature.

In one embodiment of the present invention, as shown in figures 4 and 5,

the water supply mechanism includes heating cabinet 31, heating cabinet 31 bottom sets up heating plate 32, set up outlet pipe 30 in the heating cabinet 31, heating cabinet 31 sets up water pump 29 outward, water pump 29 with outlet pipe 30 intercommunication, water pump 29 and first hot water pipeline 25 intercommunication, first hot water pipeline 25 and hot water import 39 intercommunication, hot water export 40 is through second hot water pipeline 28 and heating cabinet 31 intercommunication. The heating plate 32 is arranged at the bottom of the heating box 31 of the water supply mechanism, the water inside the heating box is heated through electromagnetic heating, the water outlet pipe 30 is inserted into the bottom of the heating box 31, the water pump 29 arranged on the outer side is communicated with the water outlet pipe 30, the hot water inside the heating box can be pumped out under pressure, and the hot water is sent into the hot water inlet 39 through the first hot water pipeline 25, so that the hot water is supplied into the heating cavity 27. The hot water in the heating cavity 27 enters the heating box 31 through the second hot water pipeline 28, and a valve needs to be arranged on the second hot water pipeline 28 to control the hot water to be reserved in the heating cavity 27, so that the heat exchange efficiency is higher.

In one embodiment of the present invention, as shown in figures 1 and 6,

the first filtering mechanism 6 comprises a filtering pipe 35 arranged on a first pipeline, the upstream of the filtering pipe 35 is respectively communicated with the first flushing pipeline 33 and the first pipeline through a first three-way valve 34, the downstream of the filtering pipe 35 is respectively communicated with a second flushing pipeline 38 and the first pipeline through a second three-way valve 37, and a second filtering membrane 36 is arranged in the filtering pipe 35. First filtering mechanism 6 has still set up the structure of washing it, during normal use, copper sulfate solution enters into the filter tube 35 from the first half of first pipeline, then enters into the second half of first pipeline again, after adding, first three-way valve 34 and second three-way valve 37 adjustment on-off state for first flushing line 33, filter tube 35 and second flushing line 38 intercommunication, the flush water enters into filter tube 35 from second flushing line 38, and then in entering into first flushing line 33, reverse second filter membrane 36 washes, can play clear effect, the number of times of having reduced the maintenance.

The second filtering mechanism 9 adopts a fine filter, and the second filtering mechanism 9 needs to remove impurities of smaller particles from the liquid so as to ensure the final quality of the copper foil.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (3)

1. A pond additive developments addition system that stews, its characterized in that: the device comprises a copper melting tank (4) and a heating tank (7), wherein the bottom of the copper melting tank (4) is communicated with a first pipeline (5), the lower end of the first pipeline (5) is communicated with the heating tank (7), a first filtering mechanism (6) is arranged on the first pipeline (5), a quantitative adding mechanism is arranged on the heating tank (7), a second pipeline (8) is arranged at the bottom of the heating tank (7), the second pipeline (8) is communicated with an electrolytic bath, and a second filtering mechanism (9) is arranged on the second pipeline (8);

the quantitative adding mechanism comprises a plurality of groups of liquid storage mechanisms (1), a liquid supply hose (2) is arranged at the bottom of each liquid storage mechanism (1), a peristaltic pump (3) is arranged on each liquid supply hose (2), and the end part of each liquid supply hose (2) is communicated with a heating tank (7);

the liquid storage mechanism (1) comprises at least two liquid storage tanks, liquid outlet pipes (16) are arranged at the lower ends of the liquid storage tanks, electromagnetic valves (17) are arranged on the liquid outlet pipes (16), the end parts of the liquid outlet pipes (16) in each group of liquid storage mechanism (1) are communicated with a multi-way pipe (18), and the outlets of the multi-way pipes (18) are communicated with the liquid supply hose (2);

the liquid storage tank comprises a body (21), the top of the body (21) is provided with an opening, sliding grooves (13) are symmetrically formed in the inner side of the body (21), a first filter membrane (19) is horizontally arranged in the body (21), the first filter membrane (19) is arranged on a supporting ring (14), the supporting ring (14) is matched with the inner side of the body (21), sliding blocks (15) are arranged on two sides of the supporting ring (14) corresponding to the sliding grooves (13), a connecting rod (12) is arranged on the sliding blocks (15), and an L-shaped handle (20) is arranged at the top of the connecting rod (12);

the heating tank (7) comprises a tank body and a tank top (24) arranged at the upper end of the tank body, the middle part of the tank top (24) is provided with a mounting hole, a bearing (23) is arranged in the mounting hole, a stirring rod (22) is inserted into the bearing (23), the upper end of the stirring rod (22) is in transmission connection with a stirring motor arranged on the tank top (24), and the part of the stirring rod (22) extending into the tank body is provided with a stirring blade (26);

the tank body comprises a tank body side wall, the tank body side wall is of a double-layer structure, a heating cavity (27) is arranged in the middle gap, a hot water inlet (39) is formed in the upper portion of the tank body side wall, a hot water outlet (40) is formed in the lower portion of the tank body side wall, and the hot water inlet (39) and the hot water outlet (40) are communicated with a water supply mechanism in a circulating mode;

the water supply mechanism comprises a heating box (31), a heating plate (32) is arranged at the bottom of the heating box (31), a water outlet pipe (30) is arranged in the heating box (31), a water pump (29) is arranged outside the heating box (31), the water pump (29) is communicated with the water outlet pipe (30), the water pump (29) is communicated with a first hot water pipeline (25), the first hot water pipeline (25) is communicated with a hot water inlet (39), and a hot water outlet (40) is communicated with the heating box (31) through a second hot water pipeline (28);

the first filtering mechanism and the second filtering mechanism respectively filter the copper sulfate solution after copper melting and filter the liquid after the copper sulfate solution and the additive are mixed;

the first filtering mechanism (6) comprises a filtering pipe (35) arranged on a first pipeline (5), the upstream of the filtering pipe (35) is respectively communicated with a first flushing pipeline (33) and the first pipeline (5) through a first three-way valve (34), the downstream of the filtering pipe (35) is respectively communicated with a second flushing pipeline (38) and the first pipeline (5) through a second three-way valve (37), and a second filtering membrane (36) is arranged in the filtering pipe (35);

after copper products and sulfuric acid are placed in the copper melting tank (4), air is introduced to enable the copper products and the sulfuric acid to react to form copper sulfate solution, the copper products and the sulfuric acid directly enter the heating tank (7) through the first pipeline (5), the temperature in the heating tank (7) is controlled to be 70 ℃, additives are fed into the heating tank (7) through the quantitative adding mechanism, and the additives are stirred and mixed uniformly;

during normal use, copper sulfate solution enters the filter pipe (35) from the upper half section of the first pipeline (5) and then enters the lower half section of the first pipeline (5), after the copper sulfate solution is added, the first three-way valve (34) and the second three-way valve (37) adjust the switch states to enable the first flushing pipeline (33), the filter pipe (35) and the second flushing pipeline (38) to be communicated, flushing water enters the filter pipe (35) from the second flushing pipeline (38) and then enters the first flushing pipeline (33), and the second filter membrane (36) is flushed reversely.

2. The static pool additive dynamic addition system of claim 1, wherein: the top of the body (21) is provided with a groove (11) corresponding to the handle (20), and the opening is provided with a cover plate (10).

3. The static pool additive dynamic addition system of claim 1, wherein: the second filtering mechanism (9) adopts a fine filter.

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