Manganese carbonate production device

Through the manganese carbonate production device combined with a tubular reactor and a centrifuge, the problems of slow reaction, long cycle and insufficient production capacity in the prior art are solved, fast and efficient continuous production is achieved, and product purity and yield are improved.

CN223276251UActive Publication Date: 2025-08-29WEIFANG TONGRUN CHEM
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Patent Information

Application Number
CN202422549654.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-29
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The existing manganese carbonate synthesis process has slow reaction, long cycle, insufficient production capacity, large energy consumption and inability to achieve continuous production.

Method used

The production device is adopted that combines a tube reactor and a centrifuge. The ammonium bicarbonate solution and manganese sulfate solution are poured into the tube reactor in proportion and mixed at a high speed through a metering pump. After the reaction, the material enters the settlement tank and is separated by the centrifuge. The centrifuged material enters the leaching tank for purification, and the mother liquid is circulated back to the settlement tank for extraction again, achieving continuous production.

Benefits of technology

The reaction speed is fast, the cycle is short, the energy consumption is low, the output is large, and the product purity is high, and continuous production is achieved, which avoids equipment maintenance and production suspension, and improves product quality and yield.

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Abstract

The utility model discloses a manganese carbonate production device and relates to the field of manganese carbonate production, an inlet of a tubular reactor is communicated with an ammonium bicarbonate solution tank and a manganese sulfate solution tank, a discharge port of the tubular reactor is communicated with a settling tank through a pipeline, and an outlet of the settling tank is communicated with a centrifugal machine through a pipeline. A solid phase outlet of the centrifugal machine is communicated with a manganese carbonate wet product tank, and a liquid phase outlet of the centrifugal machine is communicated with a mother liquor tank through a pipeline. An ammonium bicarbonate solution and a manganese sulfate solution are respectively pumped into the tubular reactor in proportion through a first metering pump and a second metering pump, so that the two phases are mixed at a high speed in the tubular reactor, the reaction is accelerated, the reacted feed liquid enters a settling tank, then the settled material is separated by a centrifugal machine, and the obtained solid phase is a manganese carbonate wet product. The reaction is fast, the reaction period is shortened, in addition, the whole process is low in energy consumption and high in yield, and continuous production is realized.
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Description

Technical Field

[0001] The utility model relates to the field of manganese carbonate production, in particular to a manganese carbonate production device. Background Art

[0002] Manganese carbonate, also known as manganous carbonate, is an inorganic compound, a carbonate of divalent manganese, with the chemical formula MnCO₃. It is soluble in dilute acid but insoluble in water and ethanol. Manganese carbonate is a raw material for the manufacture of soft ferrites for telecommunications equipment, the synthesis of manganese dioxide, and other manganese salts. It is used as a desulfurization catalyst and a pigment in enamels, paints, and varnishes. It is also used as a fertilizer and feed additive. It is also used in pharmaceuticals, as an auxiliary material for welding rods, and as a raw material for the production of electrolytic manganese metal.

[0003] Currently, the synthesis process of manganese carbonate mainly involves dissolving an appropriate amount of ammonium bicarbonate in water using a kettle or tank, then slowly adding a measured manganese sulfate solution, and then letting it stand, centrifuging, and washing with water to obtain manganese carbonate. The disadvantages of this process are slow reaction, long cycle, insufficient production capacity, low output, high energy consumption, and inability to produce continuously. Summary of the Invention

[0004] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, a manganese carbonate production device is provided, which has fast reaction, short cycle, low energy consumption and can realize continuous production.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A manganese carbonate production device comprises a tubular reactor, wherein the tubular reactor is provided with a first feed inlet and a second feed inlet, the first feed inlet and the second feed inlet being connected to an ammonium bicarbonate solution tank and a manganese sulfate solution tank via a first metering pump and a second metering pump, respectively; the discharge port of the tubular reactor is connected to a sedimentation tank via a pipeline, the outlet of the sedimentation tank is connected to a centrifuge via a pipeline, the solid phase outlet of the centrifuge is connected to a manganese carbonate wet product tank, and the liquid phase outlet of the centrifuge is connected to a mother liquor tank via a pipeline.

[0007] As an improved technical solution, the solid phase outlet of the centrifuge is connected to a rinsing tank, the inlet of the rinsing tank is connected to a purified water tank through a rinsing pump, and the outlet of the rinsing tank is connected to the manganese carbonate wet product tank.

[0008] As an improved technical solution, the outlet of the elution tank is connected to the inlet of the elution tank through the elution pump.

[0009] As an improved technical solution, the outlet of the mother liquid tank is connected to the inlet of the sedimentation tank through a mother liquid pump.

[0010] As an improved technical solution, the tubular reactor is provided with a third feed port, and the third feed port is connected to the ammonium bicarbonate solution tank and the manganese sulfate solution tank respectively through a standby pump.

[0011] As an improved technical solution, the outlet of the mother liquid tank is connected to the inlet of the tubular reactor through a mother liquid pump.

[0012] As a preferred technical solution, the tubular reactor includes a plurality of tubes, which are connected in sequence through elbows, and each elbow is provided with a sampling port.

[0013] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] The present invention provides a manganese carbonate production device, comprising a tubular reactor, wherein the tubular reactor is provided with a first feed port and a second feed port, wherein the first feed port and the second feed port are connected to an ammonium bicarbonate solution tank and a manganese sulfate solution tank respectively through a first metering pump and a second metering pump, wherein the discharge port of the tubular reactor is connected to a settling tank through a pipeline, wherein the outlet of the settling tank is connected to a centrifuge through a pipeline, wherein the solid phase outlet of the centrifuge is connected to a manganese carbonate wet product tank, and wherein the liquid phase outlet of the centrifuge is connected to a mother liquor tank through a pipeline. The ammonium bicarbonate solution and the manganese sulfate solution are respectively pumped into the tubular reactor in proportion through the first metering pump and the second metering pump, so that the two phases are mixed at high speed in the tubular reactor to accelerate the reaction, and the reacted liquid enters the settling tank, and then the settled material is separated by the centrifuge, and the obtained solid phase is the manganese carbonate wet product. The reaction is fast, and the reaction cycle is shortened. In addition, the whole process consumes little energy, has a high output, and realizes continuous production.

[0015] The solid phase outlet of the centrifuge of the present invention is connected to a rinsing tank, the inlet of which is connected to a purified water tank via a rinsing pump, and the outlet of which is connected to the wet manganese carbonate tank. After rinsing the centrifuged material, the purity of the wet manganese carbonate product is increased, thereby improving the quality of the product.

[0016] The outlet of the elution tank is connected to the inlet of the elution tank through the elution pump. The material at the bottom of the elution tank can be transferred to the top inlet of the elution tank through the elution pump, thereby strengthening its external circulation, improving the mixing effect of the material and the purified water, making the elution more thorough, and obtaining a product with higher purity.

[0017] The outlet of the mother liquor tank is connected to the inlet of the sedimentation tank through a mother liquor pump, and the centrifuged mother liquor can be re-transported to the sedimentation tank through the mother liquor pump for re-extraction, thereby improving the yield of the product.

[0018] The tubular reactor is provided with a third feed port, which is connected to the ammonium bicarbonate solution tank and the manganese sulfate solution tank respectively through a backup pump. The backup pump improves the mobility of the entire equipment, facilitates the maintenance of the first metering pump and the second metering pump, and avoids production stoppage due to equipment maintenance.

[0019] The outlet of the mother liquor tank is connected to the inlet of the tubular reactor through a mother liquor pump. The centrifuged mother liquor is re-transported into the tubular reactor for re-reaction, thereby improving the yield of the product.

[0020] The tubular reactor includes a plurality of tubes, which are connected in sequence through elbows. A sampling port is provided at each elbow. The material in the tubular reactor is sampled and tested through the plurality of sampling ports, so as to facilitate monitoring of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0023] Figure 2 yes Figure 1 Schematic diagram of the structure of the mid-tube reactor;

[0024] Figure 3 yes Figure 1 A schematic diagram of the structure of the tubular reactor from another direction;

[0025] Among them: 1. tubular reactor; 2. first feed port; 3. second feed port; 4. discharge port; 5. first metering pump; 6. second metering pump; 7. ammonium bicarbonate solution tank; 8. manganese sulfate solution tank; 9. sedimentation tank; 10. centrifuge; 11. manganese carbonate wet product tank; 12. mother liquor tank; 13. rinsing tank; 14. rinsing pump; 15. purified water tank; 16. mother liquor pump; 17. third feed port; 18. elbow; 19. sampling port; 20. jacket inlet; 21. jacket outlet; 22. spare pump. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] like Figure 1-3As shown, a manganese carbonate production device includes a tubular reactor 1. The tubular reactor 1 is provided with a first feed port 2 and a second feed port 3. The first feed port 2 and the second feed port 3 are connected to an ammonium bicarbonate solution tank 7 and a manganese sulfate solution tank 8 respectively through a first metering pump 5 and a second metering pump 6. The discharge port of the tubular reactor 1 is connected to a settling tank 9 through a pipeline. The outlet of the settling tank 9 is connected to a centrifuge 10 through a pipeline. The solid phase outlet of the centrifuge 10 is connected to a manganese carbonate wet product tank 11, and the liquid phase outlet of the centrifuge 10 is connected to a mother liquor tank 12 through a pipeline. The ammonium bicarbonate solution and the manganese sulfate solution are respectively pumped into the tubular reactor 1 in proportion through the first metering pump 5 and the second metering pump 6, so that the two phases are mixed at high speed in the tubular reactor 1 to accelerate the reaction. The reacted liquid enters the settling tank 9, and the settled material is then separated by the centrifuge 10. The resulting solid phase is the manganese carbonate wet product. The reaction is fast, shortening the reaction cycle. In addition, the entire process consumes little energy, has a high output, and achieves continuous production.

[0028] The solid phase outlet of the centrifuge 10 is connected to a rinsing tank 13, the inlet of which is connected to a purified water tank 15 via a rinsing pump 14. The outlet of the rinsing tank 13 is connected to the wet manganese carbonate product tank 11. After rinsing the centrifuged material, the purity of the wet manganese carbonate product is increased, thereby improving the quality of the product.

[0029] The outlet of the elution tank 13 is connected to the inlet of the elution tank 13 through the elution pump 14. The material at the bottom of the elution tank 13 can be transferred to the top inlet of the elution tank 13 through the elution pump 14, thereby strengthening its external circulation, improving the mixing effect of the material and the purified water, making the elution more thorough, and obtaining a product with higher purity.

[0030] The outlet of the mother liquor tank 12 is connected to the inlet of the sedimentation tank 9 through the mother liquor pump 16. The centrifuged mother liquor can be re-transported to the sedimentation tank 9 through the mother liquor pump 16 for re-extraction, thereby improving the yield of the product.

[0031] The tubular reactor 1 is provided with a third feed port 17, and the third feed port 17 is connected to the ammonium bicarbonate solution tank 7 and the manganese sulfate solution tank 8 respectively through a standby pump 22. The standby pump 22 improves the mobility of the entire equipment, facilitates the maintenance of the first metering pump 5 and the second metering pump 6, and avoids production stoppage due to equipment maintenance.

[0032] The outlet of the mother liquor tank 12 is connected to the inlet of the tubular reactor 1 through a mother liquor pump 16 . The centrifuged mother liquor is re-transported into the tubular reactor 1 for re-reaction, thereby improving the yield of the product.

[0033] The tubular reactor 1 includes a plurality of tubes, which are connected in sequence through elbows 18. Each elbow 18 is provided with a sampling port 19. The material in the tubular reactor 1 is sampled and tested through the plurality of sampling ports 19, so as to facilitate monitoring of product quality.

[0034] It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.

Claims

1. A manganese carbonate production device, characterized in that: The invention comprises a tubular reactor, wherein the tubular reactor is provided with a first feed port and a second feed port, the first feed port and the second feed port are respectively connected to an ammonium bicarbonate solution tank and a manganese sulfate solution tank through a first metering pump and a second metering pump, the discharge port of the tubular reactor is connected to a sedimentation tank through a pipeline, the outlet of the sedimentation tank is connected to a centrifuge through a pipeline, the solid phase outlet of the centrifuge is connected to a manganese carbonate wet product tank, and the liquid phase outlet of the centrifuge is connected to a mother liquor tank through a pipeline.

2. A manganese carbonate production device according to claim 1, characterized in that: The solid phase outlet of the centrifuge is connected to a rinsing tank, the inlet of the rinsing tank is connected to a purified water tank through a rinsing pump, and the outlet of the rinsing tank is connected to the manganese carbonate wet product tank.

3. A manganese carbonate production device according to claim 2, characterized in that: The outlet of the elution tank is connected to the inlet of the elution tank through the elution pump.

4. A manganese carbonate production device according to claim 1, characterized in that: The outlet of the mother liquid tank is connected to the inlet of the sedimentation tank through a mother liquid pump.

5. A manganese carbonate production device according to claim 1, characterized in that: The tubular reactor is provided with a third feed port, and the third feed port is connected to the ammonium bicarbonate solution tank and the manganese sulfate solution tank respectively through a standby pump.

6. A manganese carbonate production device according to claim 5, characterized in that: The outlet of the mother liquid tank is connected to the inlet of the tubular reactor through a mother liquid pump.

7. A manganese carbonate production device according to claim 1, characterized in that: The tubular reactor comprises a plurality of tubes, which are connected in sequence through elbows, and each elbow is provided with a sampling port.