CN216458706U - Floated pulp reaction mixing arrangement - Google Patents

Abstract

The utility model discloses a suspension type slurrying reaction mixing device which comprises a reaction kettle container, wherein a liquid atomizer is arranged in the reaction kettle container, the liquid atomizer comprises an atomization pipeline, and the inlet end of the atomization pipeline penetrates through the outer wall of the reaction kettle container and is arranged outside the reaction kettle container; the atomization pipeline conveys and atomizes the reaction solution; the reaction kettle container is connected with a weighing spiral conveyor, a feed opening of the weighing spiral conveyor is communicated with the reaction kettle container, and the weighing spiral conveyor conveys manganese dioxide electrolytic manganese raw materials; a stirrer is arranged in the reaction kettle container. The manganese dioxide electrolytic manganese is conveyed by a weighing screw conveyor; the reaction liquid is conveyed through the atomization pipeline, so that the manganese dioxide electrolytic manganese raw material is scattered, mixed and subjected to suspension reaction with the atomized solution in the falling process, the reaction efficiency is high, and foams and dust generated in the reaction process of the manganese dioxide electrolytic manganese raw material and the solution in the slurrying process are reduced.

Description

Floated pulp reaction mixing arrangement

Technical Field

The utility model relates to a slurrying reaction mixing device, in particular to a suspension type slurrying reaction mixing device.

Background

Electrolytic manganese dioxide is the second major industry in the ferrous metallurgy field in China, and has the saying of 'no manganese and no steel formation', along with the development of modern industry, the application of manganese is more and more extensive, and the application of manganese in various fields such as nonferrous metallurgy, electronic technology, chemical industry, environmental protection, food sanitation, welding electrode industry, aerospace industry and the like is rapidly expanded.

However, along with the rapid expansion and rapid development of the industrial scale of the electrolytic manganese dioxide, the problems of outstanding resource environmental problems and unsustainable development of the electrolytic manganese dioxide industry, low industry admission threshold, excessive capacity, low industry concentration, low overall technical level of the industry, serious pollution and the like gradually appear.

In the existing chemical combination pretreatment process in manganese dioxide electrolytic manganese production, the slurrying reaction efficiency of a reaction solution and a manganese dioxide electrolytic manganese raw material is low, and the reaction is not uniform; dust and foam generated during the reaction process may cause slurry overflow; meanwhile, dust, foam, and the like adhere to the conveying pipe to cause pipe blockage. Therefore, the prior art has yet to be improved.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a suspension type slurry reaction mixing device, wherein a manganese dioxide electrolytic manganese raw material is subjected to suspension type reaction with an atomized reaction solution in the blanking process, the contact is sufficient, the reaction efficiency is high and uniform, and the generation of dust and foam in the reaction process is reduced.

The technical scheme adopted by the utility model for solving the technical problems is to provide a suspension type slurrying reaction mixing device, which comprises a reaction kettle container, wherein a liquid atomizer is arranged in the reaction kettle container, the liquid atomizer comprises an atomizing pipeline, and the inlet end of the atomizing pipeline penetrates through the outer wall of the reaction kettle container and is arranged outside the reaction kettle container; the atomization pipeline conveys and atomizes the reaction solution; the reaction kettle container is connected with a weighing spiral conveyor, a feed opening of the weighing spiral conveyor is communicated with the reaction kettle container, and the weighing spiral conveyor conveys manganese dioxide electrolytic manganese raw materials; a stirrer is arranged in the reaction kettle container.

Further, the atomizing pipeline is the spiral coil that equidistant heliciform coiled, atomizing pipeline and the coaxial setting of reation kettle container, evenly be provided with a plurality of atomizing spouts on the pipe wall of atomizing pipeline.

Further, the entry end of atomizing pipeline is provided with the feed liquor ratio valve, atomizing pipeline is provided with the flowmeter near entry end department.

Further, the top of reation kettle container is provided with the feed inlet, weighing auger delivery's feed opening intercommunication reation kettle container's feed inlet, weighing auger delivery is provided with the material loading mouth.

Further, the stirrer comprises a stirring motor, a stirring shaft and a stirring paddle, wherein the stirring motor is arranged on the outer side of the top of the reaction kettle container, and the stirring paddle is arranged in the reaction kettle container and close to the bottom; the stirring paddle is connected to a stirring motor through a stirring shaft.

Furthermore, a bubble and dust remover is arranged at the top of the reaction kettle container and is communicated with the reaction kettle container.

Furthermore, the top of the reaction kettle container is also provided with an air vent communicated with the reaction kettle container; a liquid level sensor is arranged on the side surface of the reaction kettle container and used for monitoring the volume of the slurry in the reaction kettle container; the bottom of the reaction kettle container is provided with a discharge pipeline, and the discharge pipeline is provided with a liquid outlet proportioning valve.

Furthermore, the bubble and dust remover comprises a blocking pipeline and a liquid atomizer, wherein a plurality of blocking sheets are axially arranged in the blocking pipeline, and the blocking sheets separate the inner space of the blocking pipeline to form a plurality of layers of blocking cavities; the blocking sheet is in a conical funnel shape, a central hole is formed in the center of the blocking sheet, and a plurality of flow guide ports are formed in the blocking sheet in the radial direction; the liquid atomizer comprises an atomizing pipeline and atomizing units, the atomizing pipeline is coaxially and vertically inserted into the blocking pipeline and is positioned in a central hole of the blocking sheet, and a group of atomizing units are arranged below each blocking sheet, so that the blocking sheet and the atomizing units are arranged at intervals; the atomization unit is connected to an atomization pipeline; the outer diameter of the atomization pipeline is smaller than the diameter of the central hole, so that a settlement gap is formed between the central hole and the atomization pipeline.

Furthermore, each group of the atomization units comprises a plurality of atomization heads, the atomization heads and the flow guide openings are arranged in a staggered mode, the atomization heads are arranged at equal intervals along the circumferential direction of the atomization pipeline, and the atomization heads are communicated with the atomization pipeline; the end part and the outer wall of the atomizing head are uniformly distributed with a plurality of atomizing nozzles, and the shapes of the atomizing nozzles are irregular special-shaped holes.

Furthermore, the axial distance between the barrier sheets is sequentially reduced from the inlet side to the outlet side, and the diameter of the central hole of each barrier sheet is sequentially reduced from the inlet side to the outlet side, so that the settlement gaps of the multiple barrier compartments are sequentially reduced; the inner surface of the barrier sheet is provided with micro hook-shaped protrusions, and the adjacent micro hook-shaped protrusions are mutually hooked to form a net-shaped structure.

Compared with the prior art, the utility model has the following beneficial effects: according to the suspension type slurrying reaction mixing device provided by the utility model, manganese dioxide electrolytic manganese is conveyed by the weighing spiral conveyor arranged at the top of the reaction kettle container; the reaction liquid is conveyed through the atomization pipeline, so that the manganese dioxide electrolytic manganese raw material is scattered, mixed and subjected to suspension reaction with the atomized solution in the falling process, the contact is full, the reaction efficiency is high and uniform, the foam and dust generated in the reaction process of the manganese dioxide electrolytic manganese raw material and the solution in the slurrying process are reduced, and the risk of slurry overflow is reduced; the inlet end of the atomization pipeline is provided with a proportioning valve and a flowmeter, and a weighing screw conveyor is used for realizing the online proportioning of the manganese dioxide electrolytic manganese raw material and the reaction solution; the discharge pipeline is provided with the proportioning valve to realize the continuous conveying of the slurry, so that the production efficiency is improved; a small amount of dust and foam that set up the bubble removal dust remover and handle the production are broken up, are mixed, subside and through subsiding the clearance backward flow from the foam and the dust that the bottom got into, and the gas after the purification upwards discharges, effectively clears away foam and dust.

Drawings

FIG. 1 is a schematic diagram of a suspension type slurry reaction mixing device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bubble and dust remover in an embodiment of the present invention;

FIG. 3 is a top view of a bubble and dust remover according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure of a barrier tube in an embodiment of the utility model;

FIG. 5 is a top view of a barrier tube in an embodiment of the utility model;

fig. 6 is a schematic view of an atomizing head according to an embodiment of the present invention.

In the figure:

1. blocking the pipeline; 1-1, blocking the cavity; 2. a barrier sheet; 2-1, a central hole; 2-2, a flow guide port; 3. an atomization conduit; 4. an atomizing head; 5. weighing the screw conveyor; 5-1, a feeding port; 5-2, a feed opening; 6. a reaction vessel; 6-1, a stirrer; 6-2, a feed inlet; 6-3, a liquid level sensor; 6-4, air holes; 6-5, a foam and dust remover; 6-6, a flow meter; 6-7, an atomization pipeline; 6-8, a discharge pipeline; 6-9, a liquid outlet proportioning valve; 6-10, liquid inlet proportioning valve; 7. and (4) mounting a flange on the atomizer.

Detailed Description

The utility model is further described below with reference to the figures and examples.

FIG. 1 is a schematic structural diagram of a suspension type slurry reaction mixing device according to an embodiment of the present invention.

Referring to fig. 1, the suspension type slurry reaction mixing device of the embodiment of the present invention includes a reaction vessel 6, a liquid atomizer is disposed in the reaction vessel 6, the liquid atomizer includes an atomization pipeline 6-7, and an inlet end of the atomization pipeline 6-7 penetrates through an outer wall of the reaction vessel 6 and is disposed outside the reaction vessel 6; the atomization pipelines 6-7 convey and atomize the reaction solution; the reaction kettle container 6 is connected with a weighing screw conveyor 5, a feed opening 5-2 of the weighing screw conveyor 5 is communicated with the reaction kettle container 6, and the weighing screw conveyor 5 conveys manganese dioxide electrolytic manganese raw materials; a stirrer 6-1 is arranged in the reaction kettle container 6.

Specifically, the atomization pipelines 6-7 are spiral coils wound at equal intervals in a spiral manner, the atomization pipelines 6-7 are coaxially arranged with the reaction kettle container 6, and a plurality of atomization nozzles are uniformly arranged on the pipe walls of the atomization pipelines 6-7. The feed opening 5-2 of the weighing screw conveyor 5 is arranged at the top of the reaction vessel 6. The manganese dioxide electrolytic manganese raw material is scattered, mixed and subjected to suspension reaction with the atomized reaction solution in the falling process, the contact is full, and the reaction efficiency is high and uniform.

Specifically, a feeding port 6-2 is formed in the top of the reaction kettle container 6, a discharging port 5-2 of the weighing screw conveyor 5 is communicated with the feeding port 6-2 of the reaction kettle container 6, a feeding port 5-1 is formed in the weighing screw conveyor 5, and the feeding port 5-1 is connected to a storage bin.

Specifically, the inlet end of the atomization pipeline 6-7 is provided with a liquid inlet proportioning valve 6-10, and the atomization pipeline 6-7 is provided with a flow meter 6-6 near the inlet end, so that the acquisition, calculation and control of the transmission data of the reaction solution are realized; a weighing screw conveyor 5; the acquisition, calculation and control of the conveying data of the manganese dioxide electrolytic manganese raw material are realized, the online proportioning of the reaction solution and the manganese dioxide electrolytic manganese raw material is realized, and the efficiency is improved.

Specifically, the stirrer 6-1 comprises a stirring motor, a stirring shaft and a stirring paddle, wherein the stirring motor is arranged on the outer side of the top of the reaction kettle container 6, and the stirring paddle is arranged in the reaction kettle container 6 at a position close to the bottom; the stirring paddle is connected to a stirring motor through a stirring shaft. The stirrer 6-1 fully mixes the slurry obtained by reaction, prevents the slurry from precipitating and blocking the discharge pipeline 6-8.

Preferably, the top of the reaction vessel 6 is provided with a bubble and dust remover 6-5, and the bubble and dust remover 6-5 is communicated with the reaction vessel 6. And the foam-removing dust remover 6-5 reduces foam and dust generated in the reaction of manganese dioxide electrolytic manganese raw material and solution in the slurrying process, and the foam-removing dust-removing device is connected to a rear-end centrifugal dust collector and an acid mist absorption tower to treat the foam and dust.

Preferably, the top of the reaction kettle container 6 is also provided with an air vent 6-4 communicated with the reaction kettle container 6, and the air vent 6-4 adjusts the negative pressure of the centrifugal dust collector at the rear end and the acid mist absorption tower on the reaction kettle container 6, so that air forms convection, and the dust and acid mist collection efficiency is improved.

Preferably, a level sensor 6-3 is provided at the side of the reactor vessel 6, the level sensor 6-3 monitoring the volume of slurry in the reactor vessel 6.

Specifically, the bottom of the reaction kettle container 6 is provided with a discharge pipeline 6-8, and the discharge pipeline 6-8 is provided with a liquid outlet proportioning valve 6-9. The liquid outlet proportioning valve 6-9 is arranged in linkage with the liquid level sensor 6-3 and is used for controlling the amount of the slurry in the reaction kettle container 6 and the liquid outlet flow rate.

With continued reference to fig. 2 to 5, the bubble and dust remover in the embodiment of the present invention includes a blocking pipe 1 and a liquid atomizer, wherein a plurality of blocking sheets 2 are axially disposed in the blocking pipe 1, and the blocking sheets 2 partition the inner space of the blocking pipe 1 to form a plurality of blocking compartments 1-1; the blocking piece 2 is in a conical funnel shape, a central hole 2-1 is formed in the center of the blocking piece 2, and a plurality of flow guide openings 2-2 are radially arranged on the blocking piece 2; the liquid atomizer comprises an atomizing pipeline 3 and atomizing units, wherein the atomizing pipeline 3 is coaxially and vertically inserted into the blocking pipeline 1 and is positioned in a central hole 2-1 of each blocking sheet 2, and a group of atomizing units are arranged below each blocking sheet 2, so that the blocking sheets 2 and the atomizing units are arranged at intervals; the atomizing unit is connected to the atomizing duct 3. The space in the separation pipeline 1 is separated into a labyrinth shape by the separation sheet 2 and the atomizer unit, so that the sufficient contact of atomized liquid and foam and dust in the separation chamber 1-1 is facilitated.

Specifically, an atomizer mounting flange 7 is arranged at the top of the blocking pipeline 1, and the atomizing pipeline 3 is fixedly mounted through the atomizer mounting flange 7; the top of the atomization pipe 3 is bent at 90 degrees and passes through the outer wall of the atomizer mounting flange 7.

As shown in FIGS. 2 and 3, in the foam-removing and dust-removing device of the embodiment of the utility model, the outer diameter of the atomizing pipe 3 is smaller than the diameter of the central hole 2-1, so that a settling gap is formed between the central hole 2-1 and the atomizing pipe 3. So that the slurry formed after the atomized liquid mixes with the foam and dust in the barrier compartment 1-1 can settle down the barrier sheet 2 and flow back through the settling gap. A plurality of baffler pieces 2 reduce in proper order toward the outlet side by the entry side along axial interval, and the diameter of a plurality of baffler piece 2's centre bore reduces in proper order toward the outlet side by the entry side for the multilayer hinders the settlement clearance that separates the chamber and reduces in proper order, so that form certain atmospheric pressure difference, reach better bubble removal dust removal effect. In addition, the inner surface of the barrier sheet 2 can be formed with micro-hook-shaped protrusions, and the adjacent micro-hook-shaped protrusions are mutually hooked to form a net structure, so that dust can be prevented from being wrapped into a mass and deposited on the barrier sheet.

Specifically, every group atomizing unit includes a plurality of atomising heads 4, and a plurality of atomising heads 4 set up along the circumference equidistant of atomization pipeline 3, and atomising head 4 communicates atomization pipeline 3.

Preferably, the atomizing head 4 is inclined upward. In a specific embodiment, the included angle between the blocking plate 2 and the outer wall of the blocking pipeline 1 is 45-60 degrees, the included angle between the atomizing head 4 and the atomizing pipeline 3 is 45-60 degrees, the atomizing head 4 and the blocking plate 2 are arranged in parallel and are located at the middle position of the adjacent blocking plate 2, so that atomized liquid sprayed by the atomizing head 4 can be ensured to be fully contacted with foam and dust in the blocking cavity 1-1, and the conical funnel-shaped blocking plate can be matched to enable the dust and the foam to be rapidly settled.

Preferably, the flow guide opening 2-2 and the atomizing head 4 are arranged in a staggered manner, so that the atomized liquid sprayed by the atomizing head 4 stays in the separation blocking cavity 1-1 to be fully contacted with foam and dust, and the atomized liquid is prevented from directly flowing out of the flow guide opening 2-2.

As shown in fig. 4 and 5, in the foam-removing and dust-removing device according to the embodiment of the utility model, a plurality of the flow guide ports 2-2 are uniformly distributed on the barrier sheet 2, and the flow guide ports 2-2 are communicated with the central hole 2-1.

Referring to fig. 6, in the foam removing and dust removing device according to the embodiment of the present invention, a plurality of atomizing nozzles are uniformly distributed on the end portion and the outer wall of the atomizing head 4, and the plurality of atomizing nozzles are irregular shaped holes, so that a local turbulent flow can be formed, and the foam dust can be mixed and flow out better.

In practical use, foam and dust enter the separation-preventing cavity 1-1 from the bottom of the separation pipeline 1 through the flow guide port 2-2 and the settling gap and are scattered and mixed by atomized liquid sprayed by the atomizing head 4, slurry formed after mixing is settled downwards along the funnel-shaped separation sheet 2 and flows back through the settling gap, and purified gas is discharged from the flow guide port 2-2 to the top of the separation pipeline 1. In the suspension type slurrying reaction mixing device, when the suspension type slurrying reaction mixing device is actually used, the weighing screw conveyor 5 is used for weighing manganese dioxide electrolytic manganese raw materials, and the quantitative conveying is controlled to enter the reaction kettle container 6; the reaction solution is conveyed and atomized by the atomization pipeline 6-7, the manganese dioxide electrolytic manganese raw material is scattered, mixed and reacted with the atomization solution in the falling process, the manganese dioxide electrolytic manganese raw material and the atomization solution are in a suspension state due to certain disturbance of air flow in the reaction kettle container 6, the atomized slurry sinks to the bottom of the reaction kettle container 6 under the action of gravity after being condensed, and the stirrer 6-1 stirs the slurry deposited at the bottom of the reaction kettle container 6 to prevent precipitation; the weighing spiral conveyer 5, the liquid level sensor 6-3, the flowmeter 6-6, the liquid outlet proportioning valve 6-9 and the liquid inlet proportioning valve 6-10 are used for monitoring and controlling the proportioning of the raw materials and the solution, the flow and the flow speed; the on-line proportioning of manganese dioxide electrolytic manganese raw materials and solution and the continuous conveying of slurry are realized, and the production efficiency is improved.

In summary, in the suspension type slurry reaction mixing device of the embodiment of the utility model, manganese dioxide electrolytic manganese is conveyed by the weighing screw conveyor 5 arranged at the top of the reaction vessel container 6; the reaction liquid is conveyed through the atomizing pipelines 6-7, so that the manganese dioxide electrolytic manganese raw material is scattered, mixed and subjected to suspension reaction with the atomized solution in the falling process, the contact is full, the reaction efficiency is high and uniform, the foam and dust generated in the reaction process of the manganese dioxide electrolytic manganese raw material and the solution in the slurrying process are reduced, and the risk of slurry overflow is reduced; a proportioning valve and a flowmeter 6-6 are arranged at the inlet end of the atomization pipeline 6-7, and a screw conveyor 5 is weighed to realize the online proportioning of the manganese dioxide electrolytic manganese raw material and the reaction solution; the discharge pipelines 6-8 are provided with proportioning valves to realize continuous conveying of the slurry, and the production efficiency is improved. The utility model is provided with a bubble and dust remover 6-5 to process a small amount of generated dust and foam, the foam and the dust entering from the bottom of the blocking pipeline 1 are scattered and mixed in the blocking cavity 1-1, the mixed slurry is settled downwards along the blocking piece 2 and flows back through a settling gap, the purified gas is discharged upwards from the diversion port 2-2, and the foam and the dust are effectively removed; the influence of foam and dust on the subsequent process is reduced; the risk of pipe blockage is reduced, and the production efficiency is improved; simple structure, easy maintenance and low use cost.

Although the present invention has been described with respect to one or more embodiments thereof, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims (10)

1. A suspension type slurrying reaction mixing device is characterized by comprising a reaction kettle container, wherein a liquid atomizer is arranged in the reaction kettle container, the liquid atomizer comprises an atomization pipeline, and the inlet end of the atomization pipeline penetrates through the outer wall of the reaction kettle container and is arranged outside the reaction kettle container; the atomization pipeline conveys and atomizes the reaction solution; the reaction kettle container is connected with a weighing spiral conveyor, a feed opening of the weighing spiral conveyor is communicated with the reaction kettle container, and the weighing spiral conveyor conveys manganese dioxide electrolytic manganese raw materials; a stirrer is arranged in the reaction kettle container.

2. The suspension type slurrying reaction mixing device as recited in claim 1, wherein the atomization pipeline is a spiral coil pipe wound spirally at equal intervals, the atomization pipeline is arranged coaxially with the reaction vessel, and a plurality of atomization nozzles are uniformly arranged on the pipe wall of the atomization pipeline.

3. The suspension type slurry reaction mixing device according to claim 1, wherein an inlet end of the atomization pipeline is provided with a liquid inlet proportioning valve, and a flow meter is arranged on the atomization pipeline close to the inlet end.

4. The suspension type slurry reaction mixing device according to claim 1, wherein a feed port is formed in the top of the reaction vessel, a feed port of the weighing screw conveyor is communicated with the feed port of the reaction vessel, and a feed port is formed in the weighing screw conveyor.

5. The suspension type slurry reaction mixing device according to claim 1, wherein the stirrer comprises a stirring motor, a stirring shaft and a stirring paddle, the stirring motor is arranged on the outer side of the top of the reaction kettle container, and the stirring paddle is arranged in the reaction kettle container at a position close to the bottom; the stirring paddle is connected to a stirring motor through a stirring shaft.

6. The suspension type slurry reaction mixing device according to claim 1, wherein a bubble and dust remover is arranged at the top of the reaction vessel, and the bubble and dust remover is communicated with the reaction vessel.

7. The suspension type slurry reaction mixing device of claim 6, wherein the top of the reaction vessel is further provided with an air vent communicated with the reaction vessel; a liquid level sensor is arranged on the side surface of the reaction kettle container and used for monitoring the volume of the slurry in the reaction kettle container; the bottom of the reaction kettle container is provided with a discharge pipeline, and the discharge pipeline is provided with a liquid outlet proportioning valve.

8. The suspension type slurry reaction mixing device according to claim 6, wherein the bubble and dust remover comprises a blocking pipe and a liquid atomizer, a plurality of blocking sheets are arranged in the blocking pipe along the axial direction, and the blocking sheets divide the inner space of the blocking pipe into a plurality of layers of blocking chambers; the blocking sheet is in a conical funnel shape, a central hole is formed in the center of the blocking sheet, and a plurality of flow guide ports are formed in the blocking sheet in the radial direction; the liquid atomizer comprises an atomizing pipeline and atomizing units, the atomizing pipeline is coaxially and vertically inserted into the blocking pipeline and is positioned in a central hole of the blocking sheet, and a group of atomizing units are arranged below each blocking sheet, so that the blocking sheet and the atomizing units are arranged at intervals; the atomization unit is connected to an atomization pipeline; the outer diameter of the atomization pipeline is smaller than the diameter of the central hole, so that a settlement gap is formed between the central hole and the atomization pipeline.

9. The suspension type slurry reaction mixing device according to claim 8, wherein each group of the atomization units comprises a plurality of atomization heads, the atomization heads are arranged in a staggered manner with the flow guide port, the plurality of atomization heads are arranged at equal intervals along the circumferential direction of the atomization pipeline, and the atomization heads are communicated with the atomization pipeline; a plurality of atomizing nozzles are uniformly distributed at the end part and the outer wall of the atomizing head.

10. The suspended slurry reaction mixing device according to claim 8, wherein the distance between the plurality of baffle plates in the axial direction decreases from the inlet side to the outlet side, and the diameter of the central hole of the plurality of baffle plates decreases from the inlet side to the outlet side, so that the settling gaps of the plurality of baffle chambers decrease sequentially; the inner surface of the barrier sheet is provided with micro hook-shaped protrusions, and the adjacent micro hook-shaped protrusions are mutually hooked to form a net-shaped structure.

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