CN218860831U

CN218860831U - Tantalum niobium hydrometallurgy is with mixing thick liquid system

Info

Publication number: CN218860831U
Application number: CN202320095456.5U
Authority: CN
Inventors: 陈艳艳; 刘新哲
Original assignee: Jinyi Chuangdian Tianjin Technology Co ltd
Current assignee: Jinyi Chuangdian Tianjin Technology Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-04-14
Anticipated expiration: 2033-02-01

Abstract

The utility model provides a tantalum niobium hydrometallurgy is with mixing thick liquid system, include: the storage bin is provided with a weight sensor; the feed inlet of the conveyor is communicated with the stock bin; the slurry mixing tank is communicated with a discharge port of the conveyor through a powder pipeline, a powder cut-off valve is arranged on the powder pipeline, and the weight sensor and the powder cut-off valve are in electric signal connection to form a linkage relation; the slurry mixing tank is communicated with a slurry mixing water pipeline, a slurry mixing water pump is arranged on the slurry mixing water pipeline, a slurry liquid level meter is arranged on the slurry mixing tank, and the slurry mixing water pump and the slurry liquid level meter are in electric signal connection to form a linkage relation. The utility model discloses a tantalum niobium hydrometallurgy is with mixing thick liquid system realizes mixing thick liquid system's stability, continuous automatic operation.

Description

Tantalum niobium hydrometallurgy is with mixing thick liquid system

Technical Field

The utility model relates to a hydrometallurgy technical field especially relates to tantalum niobium hydrometallurgy is with mixing thick liquid system.

Background

Tantalum and niobium belong to rare metals with high boiling point and high melting point, have the excellent characteristics of high strength, fatigue resistance, deformation resistance, corrosion resistance, easy heat conduction, superconductivity, unipolar conductivity, gas absorption and the like, and are widely applied to the industries of electronics, aerospace, machinery industry, nuclear reactors and the like.

Tantalum niobium has similar chemical properties, and is associated with ores such as niobite, tantalite, pyrochlore and the like, the step of extracting tantalum niobium from the ores generally comprises: slurry mixing, decomposition, filter pressing, extraction, back extraction and production of a tantalum product, namely a niobium product. The size mixing refers to mixing water and powder to obtain the size containing tantalum and niobium. In the prior art, size mixing mainly has two modes: 1. the mixed materials are manually measured to obtain slurry, so that time and labor are wasted, and the efficiency is low; 2. utilize PLC, autonomous instrument cooperation + artificial semi-automatization size mixing, the powder is filled to artifical ration usually, and PLC control water feeding, stirring etc. and PLC control relates to the instrument valve more, and control is loaded down with trivial details, does not realize full automation yet.

Disclosure of Invention

Based on above-mentioned purpose, the utility model provides a tantalum niobium hydrometallurgy is with mixing thick liquid system to solve or partially solve above-mentioned technical problem:

tantalum niobium is size mixing system for hydrometallurgy includes:

the storage bin is provided with a weight sensor;

the feed inlet of the conveyor is communicated with the stock bin;

the size mixing tank is communicated with a discharge port of the conveyor through a powder pipeline, a powder cut-off valve is arranged on the powder pipeline, and the weight sensor is in electric signal connection with the powder cut-off valve to form a linkage relation; the intercommunication has size mixing water pipeline on the size mixing groove, the last size mixing water pump that is provided with of size mixing water pipeline, be provided with the thick liquid level gauge on the size mixing groove, the size mixing water pump with thick liquid level gauge electric signal connection forms the interlock relation.

Further, still include the size mixing water pitcher, the size mixing water pitcher with the size mixing groove passes through the size mixing water pipeline intercommunication, be provided with the size mixing water level gauge on the size mixing water pitcher, the size mixing water pump with the size mixing water level gauge electricity signal connection forms the interlock relation.

Further, still be provided with the grout mixing water trip valve on the grout mixing water pipeline, the grout mixing water trip valve with thick liquid level gauge electricity signal connection forms the interlock relation.

Further, the slurry level gauge is a radar level gauge.

Furthermore, a slurry pipeline is connected to the slurry mixing tank, and a slurry transfer pump is arranged on the slurry pipeline.

Further, a filter is further arranged on the slurry pipeline between the slurry mixing tank and the slurry transfer pump.

Further, the filter is a Y-type filter.

Furthermore, the size mixing tank is also communicated with a pressure regulating pipeline, and a breather valve is arranged on the pressure regulating pipeline.

Further, a stirrer is arranged in the size mixing tank.

Furthermore, the feed bin is also communicated with a waste gas pipeline, and a draught fan is arranged on the waste gas pipeline.

From the above, the utility model provides a tantalum niobium hydrometallurgy is with mixing thick liquid system has following beneficial effect:

1. the powder consumption is monitored and measured by using a weight sensor, and the weight sensor is interlocked with a powder cut-off valve to convey and cut off powder; the slurry mixing water consumption is monitored and measured by the slurry liquid level meter, and the slurry mixing water pump is linked with the slurry liquid level meter to convey and cut off the slurry mixing water, so that the full-automatic control of slurry mixing is realized.

2. The control system is simple and has low investment. Powder, size mixing water delivery shutdown and the mixture of the powder and the size mixing water can be realized only by the weight sensor, the powder cut-off valve, the size liquid level meter, the size mixing water pump and the stirrer, and the control system is simple and practical.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a size mixing system for tantalum-niobium hydrometallurgy according to an embodiment of the present invention.

In the figure: 1-a storage bin; 11-a weight sensor; 2-a conveyor; 3-a size mixing tank; 31-slurry level gauge; 32-a stirrer; 4-powder pipeline; 41-powder cut-off valve; 5-a size mixing water pipeline; 51-size mixing water pump; 52-a size mixing water stop valve; 6-slurry mixing water tank; 61-slurry mixing liquid level meter; 7-slurry piping; 71-a slurry transfer pump; 72-a filter; 8-pressure regulating pipeline; 81-a breather valve; 9-an exhaust gas conduit; 91-induced draft fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. The use of "first," "first," and similar terms in the present application does not denote any order, quantity, or importance, but rather the terms "first," "first," and similar terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. "communication" or "communicating" and like terms are not limited to physical or mechanical communication, but may include electrical communication, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Weight sensor 11 in this application, thick liquid level gauge 31, agitator 32, powder trip valve 41, size mixing water pump 51, size mixing water trip valve 52, size mixing water level gauge 61, thick liquids transfer pump 71 all with PLC controller signal connection, PLC controller and weight sensor 11, cooperation such as thick liquid level gauge 31 realizes feed liquid level monitoring, the feed liquid is carried and is stopped, full automation such as stirring, guarantee that size mixing is stable going on in succession, it is artifical to save, promote size mixing efficiency, further promote the efficiency that whole tantalum niobium draws technology.

In view of this, one or more embodiments of the present invention provide a slurry mixing system for tantalum-niobium hydrometallurgy.

The technical solutions of one or more embodiments of the present invention will be described in detail below with reference to specific embodiments.

Tantalum niobium is mixing thick liquid system for hydrometallurgy includes:

the device comprises a storage bin 1, wherein a weight sensor 11 is arranged on the storage bin 1; a feed inlet of the conveyor 2 is communicated with the stock bin 1; the slurry mixing tank 3 is communicated with a discharge port of the conveyor 2 through a powder pipeline 4, a powder stop valve 41 is arranged on the powder pipeline 4, and the weight sensor 11 is in electrical signal connection with the powder stop valve 41 to form a linkage relation; the powder reserves in the feed bin 1 is monitored to the weighing sensor 11, and after the powder reserves reached the volume of predetermineeing in feed bin 1, open powder trip valve 41, the powder is carried to the dressing trough 3 in, and when the powder volume dropped to predetermineeing the liquid level in feed bin 1, closed powder trip valve 41, the quantitative transport of completion powder.

The intercommunication has size mixing water pipeline 5 on size mixing tank 3, be provided with size mixing water pump 51 on the size mixing water pipeline 5, be provided with thick liquid level gauge 31 on the size mixing tank 3, size mixing water pump 51 forms the linkage with the 31 electric signal connection of thick liquid level gauge, the liquid level in the size mixing tank 3 is monitored to thick liquid level gauge 31, liquid level is zero in size mixing tank 3, start size mixing water pump 51, size mixing water carries to size mixing tank 3 in, when the liquid level in size mixing tank 3 rises to preset liquid level, shut down size mixing water pump 51, accomplish the quantitative transportation of size mixing water. In the actual use process, the mixing water is added firstly, and then the powder is added.

Preferably, still include the size mixing water tank 6, size mixing water tank 6 and size mixing groove 3 are through size mixing water piping 5 intercommunication, are provided with size mixing water level gauge 61 on the size mixing water tank 6. In general, a sufficient amount of mixing water is stored in the mixing water tank 6, and in order to enhance the safety and continuity of the mixing system, the mixing water pump 51 and the mixing water level meter 61 are in electrical signal connection to form a chain relationship, that is, after the liquid level in the mixing water tank 6 reaches a preset liquid level, the mixing water pump 51 is started.

Preferably, in order to further ensure the quick and tight cut-off of the mixing water pipeline 5, the mixing water pipeline 5 is further provided with a mixing water cut-off valve 52, and the mixing water cut-off valve 52 and the slurry liquid level meter 31 are in electric signal connection to form a linkage relation. When the liquid level is zero in the size mixing tank 3, the size mixing water cut-off valve 52 is opened to communicate the size mixing water pipeline 5, and when the liquid level in the size mixing tank 3 rises to the preset liquid level, the size mixing water cut-off valve 52 is closed to cut off the size mixing water pipeline 5.

In some embodiments, the slurry level gauge 31 is a radar level gauge. The slurry is viscous paste and is easy to precipitate and adhere, and the magnetic turning plate and other contact type liquid level meters are easy to measure inaccurately due to the precipitation and adhesion of the slurry, so that the accuracy of the measured liquid level is ensured by selecting a non-contact type radar liquid level meter.

In some embodiments, a slurry pipeline 7 is also connected to the size mixing tank 3, and a slurry transfer pump 71 is arranged on the slurry pipeline 7. The slurry transfer pump 71 is in signal connection with the PLC, and when slurry mixing and stirring are carried out for a certain time, the slurry transfer pump 71 is started to output slurry.

In some embodiments, a filter 72 is further disposed on the slurry pipeline 7 between the size mixing tank 3 and the slurry transfer pump 71, for filtering out large particle impurities in the slurry and preventing the slurry transfer pump 71 from being blocked.

In some embodiments, the filter 72 is a Y-filter 72.

In some embodiments, the size mixing tank 3 is further communicated with a pressure regulating pipeline 8, and a breather valve 81 is arranged on the pressure regulating pipeline 8 and used for maintaining a constant pressure in the size mixing tank 3.

In some embodiments, a stirrer 32 is provided in the size mixing tank 3. The stirrer 32 is in signal connection with the PLC, and the stirrer 32 is automatically turned on and off to mix the powder and the slurry mixing water into uniform slurry.

In some embodiments, the storage bin 1 is further communicated with a waste gas pipeline 9, and an induced draft fan 91 is arranged on the waste gas pipeline 9 and used for discharging the smoke dust in the storage bin 1.

The actual operation process comprises the following steps: the PLC firstly detects the conditions, when the powder storage amount in the storage bin 1 reaches a preset amount, the liquid level in the slurry mixing water tank 6 reaches a preset liquid level, and the working state of the stirrer 32 is normal, the slurry mixing water cut-off valve 52 is opened, the slurry mixing water pump 51 is started, and the slurry mixing water is conveyed to the slurry mixing tank 3; when the liquid level in the size mixing tank 3 rises to the preset liquid level, the size mixing water cut-off valve 52 and the size mixing water pump 51 are closed, and the quantitative conveying of the size mixing water is completed. And then the powder cut-off valve 41 is opened, the powder is conveyed to the size mixing tank 3, and when the powder amount in the stock bin 1 is reduced to a preset liquid level, the powder cut-off valve 41 is closed, so that the quantitative conveying of the powder is completed. Starting the stirrer 32, stirring for 2-3 hours, mixing the slurry mixing water and the powder into uniform slurry, starting the slurry transfer pump 71, and outputting the slurry.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to imply that the scope of the invention, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as above, which are not provided in detail for the sake of brevity.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Tantalum niobium hydrometallurgy is with mixing thick liquid system, its characterized in that includes:

the storage bin is provided with a weight sensor;

the feed inlet of the conveyor is communicated with the stock bin;

the size mixing tank is communicated with the discharge port of the conveyor through a powder pipeline, a powder cut-off valve is arranged on the powder pipeline, and the weight sensor is in electric signal connection with the powder cut-off valve to form a linkage relation; the slurry mixing tank is communicated with a slurry mixing water pipeline, a slurry mixing water pump is arranged on the slurry mixing water pipeline, a slurry liquid level meter is arranged on the slurry mixing tank, and the slurry mixing water pump and the slurry liquid level meter are in electric signal connection to form a linkage relation.

2. The system of claim 1, further comprising a size mixing water tank, wherein the size mixing water tank is communicated with the size mixing tank through the size mixing water pipeline, a size mixing water level meter is arranged on the size mixing water tank, and the size mixing water pump and the size mixing water level meter are in electrical signal connection to form a linkage relation.

3. The system of claim 1, wherein the slurry mixing water pipeline is further provided with a slurry mixing water cut-off valve, and the slurry mixing water cut-off valve and the slurry liquid level meter are in electrical signal connection to form a linkage relation.

4. The system of claim 3, wherein the slurry level gauge is a radar level gauge.

5. The system of claim 1, wherein the size mixing tank is further connected with a size pipeline, and the size pipeline is provided with a size transfer pump.

6. The system of claim 5, wherein a filter is further disposed on the slurry pipeline between the slurry mixing tank and the slurry transfer pump.

7. The system of claim 6, wherein the filter is a Y-filter.

8. The system of claim 1, wherein the size mixing tank is further communicated with a pressure regulating pipeline, and the pressure regulating pipeline is provided with a breather valve.

9. The system of claim 1, wherein a stirrer is arranged in the size mixing tank.

10. The system of claim 1, wherein the bin is further communicated with a waste gas pipeline, and the waste gas pipeline is provided with an induced draft fan.