Device for continuously slurrying manganese carbonate ore powder

Abstract

The invention discloses a manganese carbonate ore powder continuous slurrying device which comprises a chute vestibule, ore powder bins A / B, an anolyte pipeline, an acid liquor pipeline and slurrying tanks A / B / C / D. The chute vestibule conveys ore powder to the ore powder bins A / B. The manganese carbonate ore powder continuous slurrying device is characterized in that the ore powder bins A / B are connected with a rotor scale through the ore powder pipeline. According to the continuous slurrying device for the manganese carbonate mineral powder, the slurrying process is carried out according to the proportion, mineral powder from a powder grinding material bin is metered through a rotor scale and enters a pre-slurrying tank, meanwhile, anolyte enters the pre-slurrying tank from an anolyte transfer pool through a pump, and slurry overflows and enters the slurrying tank to be slurried when reaching the height of an overflow opening; when the liquid level of the slurrying tank reaches the upper limit liquid level, the ore pulp conveying pump is started, then the ore pulp is pumped into the first strong acid continuous leaching workshop, the second strong acid continuous leaching workshop and the third strong acid continuous leaching workshop according to the flow, and the method has the advantages of being safe, accurate in anode liquid adding amount control, small in electrolyte quality fluctuation, free of manual operation and capable of achieving continuous slurrying.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electrolytic manganese, and particularly relates to a device for continuously slurrying manganese carbonate powder. BACKGROUND

[0002] A traditional slurry section of a liquid preparation system of an electrolytic manganese electrolyte adopts a manual operation mode; after an anode liquid is poured into a slurry tank, a liquid level measuring tool is manually used to measure the liquid level, a screw auger scale is opened to add the powder to form a slurry, and the slurry tank needs to be transported to the next section after the slurry is prepared, so that the second tank can be prepared.

[0003] The method has certain risks, the added amount of the anode liquid is different due to human factors, the quality of the electrolyte fluctuates, the labor amount is large, the slurry cannot be continuously prepared, a large number of employees are needed, and the added amount of the anode liquid is inaccurate.

[0004] In order to solve the above problems in the prior art, the application provides a device for continuously slurrying manganese carbonate powder. SUMMARY

[0005] The application aims to provide a device for continuously slurrying manganese carbonate powder to solve the problems in the background.

[0006] In order to achieve the above-mentioned purpose, the application provides the following technical scheme. A device for continuously slurrying manganese carbonate powder, which comprises a chute corridor, powder bins A / B, an anode liquid pipeline, an acid liquid pipeline and slurry tanks A / B / C / D, wherein the chute corridor delivers the powder to the powder bins A / B, the powder bins A / B are connected to a rotor scale through a powder pipeline, a pre-configuration tank A / B / C / D is arranged at the discharge end of the rotor scale, the pre-configuration tank A / B / C / D is provided with an overflow port, the overflow port is provided with an overflow pipeline which is connected to the slurry tank A / B / C / D, the slurry tank A / B / C / D is provided with a liquid discharge pipeline, the anode liquid pipeline is connected to the pre-configuration tank B / C / D through a branch pipeline, and the acid liquid pipeline is connected to the pre-configuration tank A / B through an acid liquid branch pipeline.

[0007] As a further scheme of the application, the top of the pre-configuration tank A / B / C / D and the top of the slurry tank A / B / C / D are connected to an exhaust pipeline and an acid mist pipeline, and the output end of the acid mist pipeline is provided with a negative pressure fan.

[0008] As a further scheme of the application, the liquid discharge pipeline of the slurry tank A / B / C / D is connected to a preparation pipeline, the preparation pipeline is sequentially connected to the liquid discharge pipeline, the preparation pipeline is isolated by valves into multiple sections, and the preparation pipeline is connected to a conveying pipeline and a liquid pump and sent to a leaching workshop.

[0009] As a further scheme of the present application: the inside of the pre-configuration tank A / B / C / D and the slurry tank A / B / C / D is configured with a stirring device.

[0010] As a further scheme of the present application: the feeding and discharging of the pre-configuration tank A / B / C / D and the slurry tank A / B / C / D is controlled by an interlocking control system. The interlocking control system comprises an electric gate valve, a level switch, an electric control valve, a flow meter group a, a liquid level sensor and a liquid pump, the electric gate valve is arranged at the upper part of the ore powder bin A / B, the level switch is arranged inside the ore powder bin A / B, the electric gate valve is interlocked controlled with the metering instrument of the level switch of the ore powder bin A / B, and is also interlocked controlled with the opening and stopping of the chute corridor. The pre-configuration tank A / B / C / D is configured according to M ore:V liquid=:slurry, each branch pipe connected with the pre-configuration tank A / B / C / D and the acid liquid branch pipe is configured with an electric control valve and a flow meter group a, the weighing signal of the rotor scale is logically interlocked with the flow meter and the electric control valve of the anolyte and the acid liquid, the anolyte pipeline and the acid liquid pipeline are provided with an anolyte delivery pump and an acid liquid delivery pump, the anolyte delivery pump and the acid liquid delivery pump are responsible for the pressure delivery of the anolyte and the acid liquid, and the liquid level sensor of the pre-configuration tank A / B / C / D is interlocked controlled with the rotor scale, the anolyte delivery pump and the acid liquid delivery pump.

[0011] As a further scheme of the present application: the level switch is divided into an upper level switch and a lower level switch, and is respectively installed at the upper limit setting position and the lower limit setting position of the top and bottom level of the ore powder bin A / B to control the feeding speed.

[0012] As a further scheme of the present application: the discharge pipeline is provided with an electric control valve and a flow meter group b, the electric control valve controls the flow rate through the opening degree, the flow meter counts, the flow demand is set according to the use of the workshop, the electric control valve controls the flow rate through the opening degree to meet the demand of the workshop, the flow meter collects and monitors the flow data, the flow value of the electric control valve and the flow meter group a is controlled according to the flow counting value of the electric control valve and the flow meter group b, and the liquid level height of the pre-configuration tank A / B / C / D and the slurry tank A / B / C / D is realized through the regulation of the opening degree of the electric control valve.

[0013] Compared with the prior art, the present application has the following beneficial effects: 1. This continuous manganese carbonate ore powder slurry device uses a batching process to slurry the ore powder from the grinding silo via a rotor weigher into the pre-slurry tank. Simultaneously, the anolyte is pumped from the anolyte transfer tank into the pre-slurry tank. When the slurry reaches the overflow port height, it overflows into the slurry tank for further slurrying. When the liquid level in the slurry tank reaches the upper limit, the ore slurry delivery pump is started, and then pumped into the strong acid continuous leaching workshops one, two, and three according to the flow rate. This method is safe, accurately controls the amount of anolyte added, and minimizes electrolyte quality fluctuations. It requires no manual operation and allows for continuous slurry production. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a device for continuous slurry processing of manganese carbonate ore powder.

[0015] In the diagram: 1. Inclined chute corridor; 2. Mineral powder silos A / B; 3. Loading level switch; 4. Unloading level switch; 5. Mineral powder pipeline; 6. Acid mist pipeline; 7. Anode liquid pipeline; 8. Acid liquid pipeline; 9. Pre-mixing tanks A / B / C / D; 10. Slurry tanks A / B / C / D; 11. Drainage pipeline; 12. Acid liquid branch pipe; 13. Exhaust pipeline; 14. Flow meter group a; 15. Branch pipe; 16. Rotary scale; 17. Liquid level sensor; 18. Flow meter group b; 19. Overflow pipeline. Detailed Implementation

[0016] Please see Figure 1 In this embodiment of the invention, a device for continuous slurry processing of manganese carbonate ore powder includes an inclined chute corridor 1, ore powder silos A / B2, anolyte pipeline 7, acid pipeline 8, and slurry tanks A / B / C / D10. The inclined chute corridor 1 conveys ore powder to the ore powder silos A / B2. The ore powder silos A / B2 are connected to a rotor scale 16 via ore powder pipeline 5. A pre-configuration tank A / B / C / D9 is provided at the discharge end of the rotor scale 16. The pre-configuration tanks A / B / C / D9 are provided with overflow ports. An overflow pipeline 19 is installed at the overflow ports and connects to the slurry tanks A / B / C / D10. A drain pipeline 11 is provided connected to the slurry tanks A / B / C / D10. The anolyte pipeline 7 is connected to the pre-configuration tanks B / C / D via branch pipes 15. The acid pipeline 8 is connected to the pre-configuration tanks A / B via acid branch pipes 12. The slurry processing is divided into a strong acid section anolyte slurry system and a weak acid section acid slurry system. The system needs to process 7103 tons of mineral powder daily, of which 5296 tons are processed for the strong acid section and 1807 tons for the weak acid section. The slurry process uses a feed ratio of More:Vliquid = 2:1. Mineral powder from the grinding silo is weighed by a rotor scale 16 and uniformly fed into pre-mixing tanks A / B / C / D9 at a rate of 110-140 t / h. Simultaneously, the anolyte is pumped from the anolyte transfer tank through anolyte pipeline 7 at a rate of 200-2... A flow rate of 80 m³ / h is uniformly fed into pre-configuration tanks A / B / C / D9. An overflow port is installed at the top of pre-configuration tanks A / B / C / D9. When the slurry reaches the overflow port height, it overflows into pulping tanks A / B / C / D10 for pulping. When the liquid level in pulping tanks A / B / C / D10 reaches the upper limit, the slurry transfer pump is started, and then pumped into the leaching workshop as required. For example, flow rates of 88-123.2 m³ / h, 88-123.2 m³ / h, and 44-61.6 m³ / h are respectively pumped into the first, second, and third continuous acid leaching workshops.

[0017] In a preferred embodiment, the tops of the pre-configuration tanks A / B / C / D9 and the slurry tanks A / B / C / D10 are both connected to the exhaust pipe 13 and the acid mist pipe 6. The output end of the acid mist pipe 6 is equipped with a negative pressure fan, which promotes the discharge of acid mist generated during the slurry process. The acid mist in the acid mist pipe 6 is sent to the acid mist absorption tower for treatment by the negative pressure fan.

[0018] In a preferred embodiment, the drain lines of the slurry tanks A / B / C / D10 are connected to a preparation line. The preparation line connects the drain lines in series, isolating them into multiple sections by valves, and connects to the delivery line and the liquid pump to deliver the liquid to the leaching workshop. Slurry tank B is connected to both the acid branch pipe 12 and the anolyte line 7 and the mineral powder line 5. Therefore, slurry tank B can be used in the strong acid section anolyte slurry system as well as the weak acid section acid slurry system, and can be freely adjusted according to production needs.

[0019] In a preferred embodiment, both the pre-configuration tanks A / B / C / D9 and the slurry tanks A / B / C / D10 are equipped with stirring devices.

[0020] In a preferred embodiment, the feeding and discharging of the pre-configuration tanks A / B / C / D9 and the slurry tanks A / B / C / D10 are both controlled by an interlocking control system; The interlocking control system includes an electric gate valve, a level switch, an electric control valve and a flow meter group a14, a liquid level sensor 17 and a liquid pump. An electric gate valve is installed on the upper part of the mineral powder silo A / B2, and a level switch is installed inside the mineral powder silo A / B2. The electric gate valve is interlocked with the metering instrument of the level switch of the mineral powder silo A / B2, and is also interlocked with the inclined chute corridor 1 for start and stop. Pre-mix tanks A / B / C / D9 are used for batching and slurry preparation according to the ratio of M ore to V liquid = 2:1. Each branch pipe 15 and acid liquid branch pipe 12 connected to pre-mix tanks A / B / C / D9 is equipped with an electric control valve and a flow meter group a14. The weighing signal of the rotor scale 16 is logically interlocked with the flow meters and electric control valves of the anolyte and acid liquid. The anolyte pipeline 7 and acid liquid pipeline 8 are equipped with anolyte delivery pumps and acid liquid delivery pumps. The anolyte delivery pumps and acid liquid delivery pumps are responsible for pressurizing and delivering the anolyte and acid liquid. At the same time, a liquid level sensor 17 is installed in pre-mix tanks A / B / C / D9 and is interlocked with the rotor scale, anolyte delivery pump, and acid liquid delivery pump for control. The automatic control system is equipped with a production material management system, which tracks the daily consumption of mineral powder, anode liquid, acid liquid, electricity, and finished slurry delivered by each shift. It also tracks the daily material consumption and finished product quantity of each workshop and uploads the data to the superior management system.

[0021] In a preferred embodiment, the material level switch is divided into an upper material level switch 3 and a lower material level switch 4, which are respectively installed at the upper and lower material level setting positions at the top and bottom of the mineral powder silo A / B2 to control the feeding speed.

[0022] In a preferred embodiment, the drain line 11 is equipped with an electrically controlled valve and a flow meter group b18. The electrically controlled valve controls the flow rate by adjusting the opening degree, and the flow meter counts the flow. The flow rate requirement is set according to the workshop usage. The electrically controlled valve controls the flow rate by adjusting the opening degree to meet the workshop requirements. The flow meter collects and monitors the flow rate data. The flow rate value of the electrically controlled valve and the flow meter group a14 is controlled according to the flow count value of the electrically controlled valve and the flow meter group b18. The liquid level height of the pre-configuration tanks A / B / C / D9 and the slurry tanks A / B / C / D10 is achieved by adjusting the opening degree of the electrically controlled valve. This automatic system does not use the conventional valve closing method, but uses valve opening adjustment, which has two functions. First, it can reduce the water hammer effect caused by direct valve closure, which can lead to pipeline vibration and rupture. Second, it can reduce the data difference caused by shutdown and startup. Frequent start and stop can cause certain errors in the mixing ratio, resulting in differences in the amount added and fluctuations in the quality of electrolyte.

[0023] It should be noted that all the above embodiments belong to the same inventive concept, and the descriptions of each embodiment have different focuses. Where the description in a particular embodiment is not detailed, please refer to the description in other embodiments.

[0024] The embodiments described above are merely illustrative of implementation methods of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A device for continuous slurry processing of manganese carbonate ore powder, comprising a chute (1), ore powder silos A / B (2), an anolyte pipeline (7), an acid pipeline (8), and slurry tanks A / B / C / D (10), wherein the chute (1) conveys ore powder to the ore powder silos A / B (2), characterized in that, The mineral powder silo A / B (2) is connected to the rotor scale (16) through the mineral powder pipeline (5). The discharge end of the rotor scale (16) is equipped with a pre-configuration tank A / B / C / D (9). The pre-configuration tank A / B / C / D (9) is equipped with an overflow port. The overflow port is equipped with an overflow pipeline (19) connected to the slurry tank A / B / C / D (10). The slurry tank A / B / C / D (10) is connected to a drain pipeline (11). The anolyte pipeline (7) is connected to the pre-configuration tank B / C / D through branch pipes (15). The acid pipeline (8) is connected to the pre-configuration tank A / B through an acid branch pipe (12).

2. The apparatus for continuous slurry processing of manganese carbonate ore powder according to claim 1, characterized in that, The tops of the pre-configuration tanks A / B / C / D (9) and the slurry tanks A / B / C / D (10) are connected to the exhaust pipe (13) and the acid mist pipe (6), and a negative pressure fan is provided at the output end of the acid mist pipe (6).

3. The apparatus for continuous slurry processing of manganese carbonate ore powder according to claim 1, characterized in that, The drain line of the slurry tanks A / B / C / D (10) is connected to a preparation line. The preparation line connects the drain line in series, is isolated from each other by valves, and is connected to the delivery line and liquid pump to deliver the liquid to the leaching workshop.

4. The apparatus for continuous slurry processing of manganese carbonate ore powder according to claim 1, characterized in that, Both the pre-configuration tank A / B / C / D (9) and the slurry tank A / B / C / D (10) are equipped with stirring devices.

5. The apparatus for continuous slurry processing of manganese carbonate ore powder according to claim 1, characterized in that, The feeding and discharging of the pre-configured tanks A / B / C / D (9) and the slurry tanks A / B / C / D (10) are both controlled by an interlocking control system; The interlocking control system includes an electric gate valve, a level switch, an electric control valve and a flow meter group a (14), a level sensor (17) and a liquid pump. An electric gate valve is installed on the upper part of the mineral powder silo A / B (2), and a level switch is installed inside the mineral powder silo A / B (2). The electric gate valve is interlocked with the metering instrument of the level switch of the mineral powder silo A / B (2), and is also interlocked with the inclined chute corridor (1) for start-up and shutdown. Pre-configuration tanks A / B / C / D (9) are mixed and slurried according to M ore: V liquid = 2:

1. Each branch pipe (15) and acid branch pipe (12) connected to pre-configuration tanks A / B / C / D (9) is equipped with an electric control valve and a flow meter group a (14). The weighing signal of the rotor scale (16) is logically interlocked with the flow meters and electric control valves of the anode liquid and acid liquid. The anode liquid pipeline (7) and the acid liquid pipeline (8) are equipped with an anode liquid delivery pump and an acid liquid delivery pump. The anode liquid delivery pump and the acid liquid delivery pump are responsible for pressurizing and delivering the anode liquid and acid liquid. At the same time, a liquid level sensor (17) is set in pre-configuration tanks A / B / C / D (9) and is interlocked with the rotor scale, the anode liquid delivery pump and the acid liquid delivery pump.

6. The apparatus for continuous slurry processing of manganese carbonate ore powder according to claim 5, characterized in that, The material level switch is divided into an upper material level switch (3) and a lower material level switch (4), which are installed at the top and bottom material level upper limit setting position and lower limit setting position of the mineral powder silo A / B (2) respectively to control the feeding speed.

7. The apparatus for continuous slurry processing of manganese carbonate ore powder according to claim 5, characterized in that, The drain line (11) is equipped with an electric control valve and a flow meter group b (18). The electric control valve controls the flow rate by opening, and the flow meter counts the flow. The flow rate requirement is set according to the workshop use. The electric control valve controls the flow rate by opening to meet the workshop requirements. The flow meter collects and monitors the flow rate data. The flow rate value of the electric control valve and the flow meter group a (14) is controlled according to the flow count value of the electric control valve and the flow meter group b (18). The liquid level height of the pre-configuration tank A / B / C / D (9) and the slurry tank A / B / C / D (10) is realized by adjusting the opening of the electric control valve.

Images