Nickel sulfate airflow ultrasonic oxidation equipment

Abstract

The utility model belongs to the technical field of chemistry and metallurgy, and particularly relates to nickel sulfate airflow ultrasonic oxidation equipment which comprises an oxygen leaching reaction kettle, an airflow ultrasonic oxidizer and a slurry pump, a feeding valve is fixedly communicated with the upper side of one side wall of the oxygen leaching reaction kettle, and the outer end of the feeding valve is communicated with upstream equipment; the two ends of the slurry pump are communicated with circulation control valves, the outer end of one circulation control valve is communicated with the top of the airflow ultrasonic oxidizer through a guide pipe, and the output end of the other circulation control valve is communicated with the lower side of one side wall of the oxygen immersion reaction kettle through a guide pipe. According to the device, the airflow ultrasonic generator and gas are used as power to excite the reed to vibrate and generate ultrasonic waves or strong sound waves, and the cavitation effect of the ultrasonic waves in slurry is utilized, so that the speed of oxidation-reduction reaction is increased, the reaction efficiency is improved, deposited impurities are accelerated, and impurities in a nickel sulfate solution can be effectively removed; the dirt layer is dispersed and stripped through vibration and micro-jet impact force, and the cleaning effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical and metallurgical technical field, concretely is a kind of nickel sulfate airflow ultrasonic wave oxidation equipment. BACKGROUND

[0002] Nickel sulfate is an important inorganic salt, and it has a wide range of applications in various industries, including electroplating industry, catalytic industry, pharmaceutical industry, inorganic industry and printing and dyeing industry. With the rapid development of new energy industry, the demand for nickel sulfate is also increasing, especially with the popularity of new energy vehicles, as an important component of the positive electrode material of power battery, the demand for nickel sulfate is growing significantly. For example, the demand for ternary batteries increases, resulting in the demand for nickel sulfate, which is one of the indispensable raw materials in its manufacturing process, increases significantly, in addition, the production process of nickel sulfate is also developing and optimizing to meet the changing market demand.

[0003] The nickel sulfate oxygen leaching and iron removal process section directly introduces oxygen, and the nickel sulfate slurry does not fully contact with oxygen, the catalytic efficiency is low, the reaction rate is slow, the oxidation of sulfuric acid is low, and the elemental nickel cannot be oxidized to divalent nickel ion and combined with it to form nickel sulfate. Insufficient dissolution of nickel sulfate into oxygen will result in the formation of reduced substances that are not fully oxidized, affecting the chemical properties and uses of the product.

[0004] Although the nickel sulfate oxidizer adopts electric ultrasonic wave and has good homogenization effect, it needs to install external electrical equipment, which is high in cost and high in energy consumption for long-term work but small in processing capacity.

[0005] Nickel sulfate is corrosive and irritating, a strong acid substance, and electric ultrasonic wave cannot meet this working condition environment, which damages electrical components and contact parts, and the equipment cannot work normally.

[0006] The bottom of the nickel sulfate ultrasonic wave oxidizer is prone to deposit impurities, and during use, it is easy to be blocked, and the environment in the cavity is poor, so manual cleaning is difficult.

[0007] Therefore, a new technical solution needs to be designed to solve the problem. UTILITY MODEL CONTENT

[0008] The utility model aims at providing a kind of nickel sulfate airflow ultrasonic wave oxidation equipment, solve the problem raised in background art.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of nickel sulfate airflow ultrasonic wave oxidation equipment, including oxygen leaching reactor, airflow ultrasonic wave oxidation ware and slurry pump, the oxygen leaching reactor one side wall upper side is fixed with the communication of feed valve, the outer end of the feed valve and upstream equipment are communicated;

[0010] The circulating control valve is communicated with the top of the gas flow ultrasonic oxidizer through a pipeline, and the output end of the circulating control valve is communicated with the lower side of a side wall of the oxygen immersion reaction kettle through a pipeline.

[0011] The nickel sulfate slurry is transported from the upstream equipment to the oxygen immersion reaction kettle, the slurry reaches the liquid surface A, the feeding valve is closed, the circulating control valve and the slurry pump are opened, the slurry enters the gas flow ultrasonic oxidizer, and the discharging valve is opened, so that the slurry is continuously circulated, oxygen is introduced into the gas flow ultrasonic oxidizer, and the slurry meeting the requirements is discharged for filtration and impurity removal after a circulation period of 3-6 hours.

[0012] As a preferred embodiment of the utility model, the gas flow ultrasonic oxidizer comprises a barrel, the top and bottom of the barrel are respectively connected with an upper head and a lower head, the top of the upper head is fixedly connected with gas flow ultrasonic reactors on both sides, one of the gas flow ultrasonic reactors is communicated with an oxygen supply pipe, the top of the upper head is fixedly connected with a feeding port in the middle, the inner end of the feeding port is provided with four outlets, the feeding port is communicated with a corresponding circulating control valve, the upper side of the inner cavity of the barrel is fixedly provided with a distributor, the tail end of the lower head is fixedly connected with a discharging port assembly, and the discharging port assembly is communicated with a discharging valve.

[0013] Through the above technical scheme, the nickel sulfate slurry is transported to the feeding port of the gas flow ultrasonic oxidizer through the slurry pump, the feeding port is uniformly distributed with four outlets, the slurry is rapidly and uniformly distributed on the distributor, the liquid surface is rapidly lifted into the gas flow ultrasonic reactor, the gas flow ultrasonic reactor relies on gas as power to excite the vibration of the reed, thereby generating ultrasonic waves or strong sound waves, the oxygen is rapidly dissolved in the nickel sulfate slurry, the contact area between the nickel sulfate solution and the oxygen is increased, the speed of the oxidation-reduction reaction is accelerated, the reaction efficiency is improved, the deposition of impurities is accelerated, and the impurities in the nickel sulfate solution can be effectively removed.

[0014] As a preferred embodiment of the utility model, the discharging port assembly comprises a discharging barrel, the discharging barrel is communicated with the tail end of the lower head, the discharging barrel is connected with a connecting pipe through a movable flange, the connecting pipe is communicated with a discharging valve, a nozzle is fixedly arranged on one side of the bottom of the discharging barrel in a penetrating mode, a reed whistle is fixedly arranged in one end of the nozzle inserted into the discharging barrel, and an air inlet control valve is arranged between the nozzle and the other gas flow ultrasonic reactor.

[0015] Through adoption of the above technical scheme, the nickel sulfate slurry is continuously circulated between the oxygen leaching reaction kettle and the airflow ultrasonic oxidizer, oxygen is introduced at regular time intervals of 0.25-1 hour / time, the gas inlet control valve is opened for 10 minutes of working time, the gas oxygen is relied on as power, the vibration of the reed whistle is excited through the nozzle, thereby ultrasonic waves or strong sound waves are generated, the nickel sulfate slurry at the discharge outlet is continuously mixed and stirred, the impurities deposited at the discharge outlet are cleaned, and the nickel sulfate slurry is prevented from being blocked at the discharge outlet.

[0016] As a preferred embodiment of the utility model, the distributor includes a distribution disc and a horn mouth, the distribution disc and the inner wall of the cylinder are fixedly connected, the horn mouth is installed on the distribution disc, the number of the horn mouths is multiple, and the horn mouths are arranged opposite to the airflow ultrasonic reactor.

[0017] Through adoption of the above technical scheme, the nickel sulfate slurry is fully contacted with oxygen and then enters the cylinder through the horn mouth.

[0018] As a preferred embodiment of the utility model, a manhole is arranged on one side wall of the cylinder, and the outer end of the manhole is detachably connected with a manhole cover.

[0019] As a preferred embodiment of the utility model, the tail end of the lower head is fixedly connected with a supporting leg on both sides.

[0020] As a preferred embodiment of the utility model, the top side of the airflow ultrasonic oxidizer is communicated with an oxygen supply pipe.

[0021] As a preferred embodiment of the utility model, the tail end of the oxygen leaching reaction kettle is communicated with a filtering and impurity removing container.

[0022] Compared with the prior art, the utility model has the beneficial effects as follows:

[0023] The utility model adopts the airflow ultrasonic generator through the ultrasonic oxidizer, the horn in the distributor is opposite to the airflow ultrasonic reactor, and the contact and dissolution of oxygen and nickel sulfate are more favorable;

[0024] The airflow ultrasonic generator is arranged at the bottom of the ultrasonic oxidizer, the vibration of the reed is excited by relying on the gas (oxygen) as power, thereby ultrasonic waves or strong sound waves are generated, the cavitation effect of the ultrasonic waves in the slurry is utilized, the dirt layer is dispersed and peeled off through vibration and microjet strike force, and the cleaning effect is achieved;

[0025] The circulation system process is adopted, the material quality is controllable, and high-quality raw materials are provided for subsequent nickel sulfate production;

[0026] The liquid level of the oxygen leaching reaction kettle is kept at A, the oxygen pressure condition of the ultrasonic oxidizer is ensured, the oxygen pressure reaction is carried out, and the purity and yield of the product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings:

[0028] Figure 1 Fig. 1 is a schematic diagram of the overall structure of a nickel sulfate airflow ultrasonic oxidation equipment according to the present application;

[0029] Figure 2 Fig. 2 is a schematic diagram of the structure of an airflow ultrasonic oxidizer of a nickel sulfate airflow ultrasonic oxidation equipment according to the present application;

[0030] Figure 3 Fig. 3 is a schematic diagram of the overhead structure of a distributor of a nickel sulfate airflow ultrasonic oxidation equipment according to the present application;

[0031] Figure 4 Fig. 4 is a schematic diagram of the structure of a discharge port of a nickel sulfate airflow ultrasonic oxidation equipment according to the present application.

[0032] In the drawings:

[0033] 1, oxygen immersion reaction kettle; 2, feed valve; 3, airflow ultrasonic oxidizer; 4, discharge valve; 5, air inlet control valve; 6, circulation control valve; 7, slurry pump; 301, upper head; 302, airflow ultrasonic reactor; 303, feed inlet; 304, distributor; 30401, distribution disc; 30402, horn mouth; 305, cylinder; 306, manhole; 307, lower head; 308, leg; 309, discharge port assembly; 30901, discharge cylinder; 30902, reed whistle; 30903, movable flange; 30904, nozzle. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0035] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In the description of the utility model, it is to be explained that, unless there is definite stipulation and limitation, the term "installation" "connection" "arrangement" should be understood broadly, for example, it can be fixed connection, arrangement, also can be detachable connection, arrangement, or integrally connected, set up, the ordinary skill in the art can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances, the model of the electric appliance provided in the utility model is only reference, and different model electric appliances with same function can be replaced according to actual use condition.

[0037] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of nickel sulfate airflow ultrasonic oxidation equipment, including oxygen immersion reaction kettle 1, airflow ultrasonic oxidizer 3 and slurry pump 7, the upper side of one side wall of oxygen immersion reaction kettle 1 is fixedly connected with feed valve 2, the outer end of feed valve 2 and upstream equipment are communicated;

[0038] The two ends of slurry pump 7 are all communicated with circulation control valve 6, the outer end of one of circulation control valve 6 is communicated with the top of airflow ultrasonic oxidizer 3 by conduit, and the output end of another circulation control valve 6 is communicated with the lower side of the side wall of oxygen immersion reaction kettle 1 by conduit, the tail end of airflow ultrasonic oxidizer 3 is fixedly communicated with discharge valve 4, and the output end of discharge valve 4 is communicated with the side wall of oxygen immersion reaction kettle 1 by conduit.

[0039] In actual use, nickel sulfate slurry is transported from upstream equipment to oxygen immersion reaction kettle 1, slurry reaches liquid level A, feed valve 2 is turned off, circulation control valve 6 and slurry pump 7 are turned on, slurry enters airflow ultrasonic oxidizer 3, discharge valve 4 is turned on, slurry is continuously circulated, and oxygen is introduced into airflow ultrasonic oxidizer 3, and after 3-6 hours of circulation cycle, the slurry meeting the requirements is discharged for filtration and impurity removal.

[0040] Further, the tail end of oxygen immersion reaction kettle 1 is communicated with a filtration and impurity removal container, and the slurry meeting the requirements is introduced into the filtration and impurity removal container for filtration and impurity removal treatment.

[0041] Further, the top side of airflow ultrasonic oxidizer 3 is communicated with an oxygen supply pipe, and oxygen can be supplied to airflow ultrasonic oxidizer 3 through the oxygen supply pipe.

[0042] For example, Figure 1 And 2, 3, 4, the gas flow ultrasonic oxidizer 3 includes a cylinder body 305, the top and bottom of the cylinder body 305 are connected with upper head 301 and lower head 307 respectively, the top of the upper head 301 is fixedly connected with gas flow ultrasonic reactor 302 on both sides, one of the gas flow ultrasonic reactors 302 is communicated with the oxygen supply pipe, the top of the upper head 301 is fixedly communicated with the feed inlet 303 in the middle, the inner end of the feed inlet 303 is provided with four outlets, the feed inlet 303 is communicated with the corresponding circulation control valve 6, the upper side of the inner cavity of the cylinder body 305 is fixedly provided with a distributor 304, the tail end of the lower head 307 is fixedly connected with a discharge port assembly 309, the discharge port assembly 309 is communicated with the discharge valve 4;

[0043] In actual use, the nickel sulfate slurry is transported to the feed inlet 303 of the gas flow ultrasonic oxidizer 3 through the slurry pump 7, the feed inlet 303 is evenly distributed with four outlets, the slurry is quickly and evenly distributed on the distributor 304, the liquid level is quickly raised to the gas flow ultrasonic reactor 302, the gas flow ultrasonic reactor 302 relies on gas as power to excite the vibration of the reed, thereby generating ultrasonic waves or strong sound waves, oxygen is quickly dissolved in the nickel sulfate slurry, the contact area between the nickel sulfate solution and oxygen is increased, thereby accelerating the speed of the oxidation-reduction reaction, improving the reaction efficiency, accelerating the deposition of impurities, and effectively removing impurities in the nickel sulfate solution. Because oxygen can promote the oxidation reaction of impurities, impurities are more easily separated from the solution, this process not only improves the purity of the nickel sulfate solution, but also provides high-quality raw materials for subsequent production of nickel sulfate.

[0044] Further, the tail end of the lower head 307 is fixedly provided with a support leg 308 on both sides, the support leg 308 is provided to ensure the stability of the gas flow ultrasonic oxidizer 3.

[0045] Further, one side wall of the cylinder body 305 is provided with a manhole 306, and the outer end of the manhole 306 is detachably connected with a manhole cover.

[0046] It is worth mentioning that the distributor 304 includes a distribution disc 30401 and a horn mouth 30402, the distribution disc 30401 is fixedly connected with the inner wall of the cylinder body 305, the horn mouth 30402 is installed on the distribution disc 30401, the number of the horn mouth 30402 is 4 or 6 or 8, and the horn mouth 30402 is arranged above the gas flow ultrasonic reactor 302; After the nickel sulfate slurry is fully contacted with oxygen, it enters the cylinder body 305 through the horn mouth 30402.

[0047] It should be noted that the discharge port assembly 309 includes a discharge cylinder 30901, the discharge cylinder 30901 and the lower head 307 tail end communication, the discharge cylinder 30901 is connected with the connecting pipe through the movable flange 30903, the connecting pipe and the discharge valve 4 are communicated, the nozzle 30904 is fixedly arranged in one end of the discharge cylinder 30901, the nozzle 30904 is inserted into the discharge cylinder 30901, the reed whistle 30902 is fixedly arranged in one end of the discharge cylinder 30901, the nozzle 30904 and the other gas flow ultrasonic reactor 302 are communicated with the air inlet control valve 5;

[0048] In the process of continuously circulating the nickel sulfate slurry in the oxygen leaching reactor 1 and the gas flow ultrasonic oxidizer 3, oxygen is introduced at a time interval of 0.25-1 hour, the air inlet control valve 5 is opened for 10 minutes, and the gas oxygen is used as power to excite the reed whistle 30902 to vibrate through the nozzle 30904, so as to generate ultrasonic waves or strong sound waves, the nickel sulfate slurry in the discharge port is continuously mixed and stirred, the impurities deposited in the discharge port are cleaned, and the nickel sulfate slurry in the discharge port is prevented from being blocked.

[0049] The implementation principle of the nickel sulfate gas flow ultrasonic oxidation equipment is as follows: in actual use, the nickel sulfate slurry is transported from the upstream equipment to the oxygen leaching reactor 1, the slurry reaches the liquid level A, the feed valve 2 is closed, the circulation control valve 6 and the slurry pump 7 are opened, the slurry enters the gas flow ultrasonic oxidizer 3, the discharge valve 4 is opened, the slurry is continuously circulated, oxygen is introduced into the gas flow ultrasonic oxidizer 3, the nickel sulfate slurry is transported to the feed inlet 303 of the gas flow ultrasonic oxidizer 3 through the slurry pump 7, the feed inlet 303 is evenly distributed with four outlets, the slurry is quickly and evenly distributed on the distributor 304, the liquid level is quickly raised to the gas flow ultrasonic reactor 302, the gas flow ultrasonic reactor 302 relies on gas as power to excite the reed to vibrate, so as to generate ultrasonic waves or strong sound waves, oxygen is quickly dissolved in the nickel sulfate slurry, the contact area between the nickel sulfate solution and oxygen is increased, the speed of the oxidation and reduction reaction is accelerated, the reaction efficiency is improved, the deposition of impurities is accelerated, the impurities in the nickel sulfate solution can be effectively removed, when the slurry is discharged from the gas flow ultrasonic oxidizer 3, the reed whistle 30902 is excited to vibrate through the nozzle 30904, so as to generate ultrasonic waves or strong sound waves, the nickel sulfate slurry in the discharge port is continuously mixed and stirred, the impurities deposited in the discharge port are cleaned, and the nickel sulfate slurry in the discharge port is prevented from being blocked, after a cycle of 3-6 hours, the slurry meeting the requirements is discharged for filtration and impurity removal.

[0050] In addition, the utility model discloses a kind of nickel sulfate air flow ultrasonic wave oxidation equipment, including the components of all general standard parts or components known to those skilled in the art, its structure and principle are all known to those skilled in the art by technical manual or by conventional experimental method, at the idle place of the device, all electrical devices described above, power element, electrical device and the monitoring computer and power supply adapted are connected by wire, specific connecting means should refer to the following working principle, the working order of each electrical device is completed electrically connected, its detailed connecting means, it is well known in the art, the following mainly introduces working principle and process, no longer to the electrical control is explained.

[0051] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, so as to include all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0052] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A nickel sulfate gas flow ultrasonic oxidation device comprising an oxygen immersion reaction kettle (1), a gas flow ultrasonic oxidizer (3) and a slurry pump (7), characterized in that: The oxygen immersion reaction kettle (1) is fixedly connected with a feeding valve (2) on one side wall of the upper side, the outer end of the feeding valve (2) is communicated with upstream equipment; Both ends of the slurry pump (7) are communicated with circulation control valves (6), the outer end of one of the circulation control valves (6) is communicated with the top of the gas flow ultrasonic oxidizer (3) through a pipeline, and the output end of the other circulation control valve (6) is communicated with the lower side of one side wall of the oxygen immersion reaction kettle (1) through a pipeline, the tail end of the gas flow ultrasonic oxidizer (3) is fixedly communicated with a discharge valve (4), and the output end of the discharge valve (4) is communicated with the side wall of the oxygen immersion reaction kettle (1) through a pipeline.

2. A nickel sulphate gas stream ultrasonic oxidation apparatus according to claim 1, characterised in that: The gas flow ultrasonic oxidizer (3) comprises a barrel (305), the top and bottom of the barrel (305) are connected with an upper head (301) and a lower head (307) respectively, both sides of the top of the upper head (301) are fixedly connected with gas flow ultrasonic reactors (302), one of the gas flow ultrasonic reactors (302) is communicated with an oxygen supply pipe, the top of the upper head (301) is fixedly communicated with a feeding port (303) in the middle, the inner end of the feeding port (303) is provided with four outlets, the feeding port (303) is communicated with a corresponding circulation control valve (6), the upper side of the inner cavity of the barrel (305) is fixedly provided with a distributor (304), the tail end of the lower head (307) is fixedly connected with a discharge port assembly (309), and the discharge port assembly (309) is communicated with a discharge valve (4).

3. A nickel sulphate gas stream ultrasonic oxidation apparatus according to claim 2, characterised in that: The discharge port assembly (309) comprises a discharging barrel (30901), the discharging barrel (30901) is communicated with the tail end of the lower head (307), the discharging barrel (30901) is connected with a connecting pipe through a movable flange (30903), the connecting pipe is communicated with the discharge valve (4), one side of the bottom of the discharging barrel (30901) is fixedly provided with a nozzle (30904) in a penetrating mode, the nozzle (30904) is inserted into one end of the discharging barrel (30901), a reed whistle (30902) is fixedly arranged in the nozzle (30904), and the nozzle (30904) and the other gas flow ultrasonic reactor (302) are communicated with an air inlet control valve (5).

4. A nickel sulphate gas stream ultrasonic oxidation apparatus according to claim 2, characterised in that: The distributor (304) comprises a distribution disc (30401) and a horn mouth (30402), the distribution disc (30401) is fixedly connected with the inner wall of the barrel (305), the horn mouth (30402) is arranged on the upper side of the distribution disc (30401), the number of the horn mouth (30402) is plural, and the horn mouth (30402) is arranged opposite to the gas flow ultrasonic reactor (302) on the upper side.

5. A nickel sulphate vapour stream ultrasonic oxidation apparatus according to claim 2, characterised in that: A manhole (306) is arranged in one side wall of the barrel (305), and the outer end of the manhole (306) is detachably connected with a manhole cover.

6. A nickel sulphate vapour stream ultrasonic oxidation apparatus according to claim 2, characterised in that: The tail end of the lower head (307) is fixedly provided with supporting legs (308) on both sides.

7. A nickel sulfate gas stream ultrasonic oxidation apparatus according to claim 1, characterized in that: The top of the gas flow ultrasonic oxidizer (3) is communicated with an oxygen supply pipe.

8. A nickel sulfate gas stream ultrasonic oxidation apparatus according to claim 1, characterized by: The tail end of the oxygen immersion reaction kettle (1) is communicated with a filter and impurity removal container.

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