Anhydrous manganese chloride production device

Abstract

The utility model discloses an anhydrous manganese chloride production device, and relates to the technical field of anhydrous manganese chloride production, an outlet of a manganese chloride solution tank is communicated with a concentration tank, an outlet of the concentration tank is communicated with a crystallizing tank, and an outlet of the crystallizing tank is communicated with a centrifugal machine; a solid-phase outlet of the centrifugal machine is communicated with a drying device; an outlet of the drying device is communicated with a finished product tank. In the whole process, only one-time drying is needed, meanwhile, the phenomena of melting and caking do not occur in the drying process of the manganese chloride trihydrate, secondary crushing and secondary drying are not needed, the drying cost is greatly saved, and meanwhile the obtained anhydrous manganese chloride is high in quality and yield.

Description

Technical Field

[0001] The utility model relates to the technical field of anhydrous manganese chloride production, in particular to an anhydrous manganese chloride production device. Background Art

[0002] Manganese chloride, also known as manganous chloride and manganese dichloride, is an inorganic substance with the molecular formula MnCl2. Anhydrous manganese chloride appears as pink crystals. It is primarily used in pharmaceutical synthesis, feed additives, analytical reagents, dye and pigment manufacturing; magnesium and aluminum alloy smelting, brown-black brick and tile production, pharmaceuticals, and dry cell battery manufacturing. It can also be used as a trace element fertilizer in agriculture.

[0003] The traditional drying process for anhydrous manganese chloride involves heating and drying manganese chloride tetrahydrate in an oil furnace to produce manganese chloride dihydrate, followed by pulverization. After pulverization, it is then dried a second time to obtain the finished anhydrous manganese chloride. The disadvantages of this process are that the two drying steps consume energy, the product is prone to clumping during the first drying step, and the pulverization process produces a lot of smoke and dust, leading to severe corrosion, resulting in high consumption and low output. 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 device for producing anhydrous manganese chloride is provided, which has low consumption, high output and high safety.

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

[0006] An anhydrous manganese chloride production device includes a manganese chloride solution tank, the outlet of the manganese chloride solution tank is connected to a concentration tank via a pipeline, the outlet of the concentration tank is connected to a crystallization tank via a pipeline, and the outlet of the crystallization tank is connected to a centrifuge;

[0007] The solid phase outlet of the centrifuge is connected to a drying device, and the outlet of the drying device is connected to a finished product tank.

[0008] As an improved technical solution, the outlet of the drying device is connected to a cooling kettle, and the outlet of the cooling kettle is connected to the finished product tank.

[0009] As an improved technical solution, the outlet of the cooling kettle is connected to a filter screen, and the outlet of the filter screen is connected to the finished product tank.

[0010] As an improved technical solution, a vibrating hammer is provided on the outer side of the bottom of the filter screen.

[0011] As an improved technical solution, the liquid phase outlet of the centrifuge is connected to a mother liquid tank through a pipeline, and the outlet of the mother liquid tank is connected to the manganese chloride solution tank through a pipeline.

[0012] As an improved technical solution, the drying device is a boiling dryer or a high-temperature oven.

[0013] As a preferred technical solution, a first temperature sensor is provided in the concentration tank, a steam intake regulating valve is provided on the jacket inlet pipe of the concentration tank, and the first temperature sensor and the steam intake regulating valve are interlocked to a control system.

[0014] As a preferred technical solution, a second temperature sensor is provided in the crystallizer, a cooling water inlet regulating valve is provided on the jacket inlet pipe of the crystallizer, and the second temperature sensor and the cooling water inlet regulating valve are interlocked to a control system.

[0015] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model discloses an anhydrous manganese chloride production device, comprising a manganese chloride solution tank, the outlet of which is connected to a concentration tank via a pipeline, the outlet of which is connected to a crystallization tank via a pipeline, the outlet of which is connected to a centrifuge; the solid phase outlet of the centrifuge is connected to a drying device, the outlet of which is connected to a finished product tank. A treated manganese chloride solution with a concentration of about 35%wt is added to the concentration tank and concentrated to a concentration of about 55%wt, at which point the temperature can reach 120-130°C, and then the concentrated solution is placed in the crystallization tank, the temperature is controlled to cool and crystallize at 60-70°C, and after crystallization is completed, centrifugation is performed to obtain manganese chloride trihydrate. The obtained manganese chloride trihydrate is added to the drying device, the temperature is controlled to be about 260°C for drying, and after drying is completed, an anhydrous manganese chloride product is obtained. The entire process only requires one drying, and the manganese chloride trihydrate does not melt or agglomerate during the drying process, and does not require secondary crushing and secondary drying, which greatly saves drying costs. At the same time, the obtained anhydrous manganese chloride is of high quality and high yield.

[0017] The outlet of the drying device of the utility model is connected to a cooling kettle, and the outlet of the cooling kettle is connected to the finished product tank. The cooling kettle cools the dried material to 50-70°C for easy packaging.

[0018] The outlet of the cooling kettle is connected to a filter screen, and the outlet of the filter screen is connected to the finished product tank. The cooled material is screened and packaged through the filter screen, thereby improving the quality of the product.

[0019] A vibrating hammer is provided on the outer side of the bottom of the filter screen. Through the action of the vibrating hammer, the material is not easily accumulated in the filter screen, and the material can pass through the screen more smoothly, which is convenient for the collection and packaging of the product.

[0020] The liquid phase outlet of the centrifuge is connected to a mother liquor tank via a pipeline, and the outlet of the mother liquor tank is connected to the manganese chloride solution tank via a pipeline. The centrifuged mother liquor can be re-added to the manganese chloride solution tank for re-concentration and crystallization, thereby improving the yield of the product.

[0021] The drying device is a boiling dryer or a high-temperature oven, and the drying temperature is controlled at about 260° C., which has a good drying effect.

[0022] A first temperature sensor is installed within the concentrator, and a steam inlet regulating valve is installed on the jacket inlet pipe of the concentrator. The first temperature sensor and the steam inlet regulating valve are interlocked with a control system. The control system adjusts the opening of the steam inlet regulating valve based on the value of the first temperature sensor to maintain the concentration temperature at 120-130°C, achieving better concentration results.

[0023] A second temperature sensor is provided within the crystallizer, and a cooling water inlet regulating valve is provided on the jacket inlet pipe of the crystallizer. The second temperature sensor and the cooling water inlet regulating valve are interlocked with a control system. The control system adjusts the opening of the cooling water inlet regulating valve based on the value of the second temperature sensor to maintain the crystallization temperature at 60-70°C, achieving a better crystallization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0026] Among them: 1. Manganese chloride solution tank; 2. Concentration tank; 3. Crystallization tank; 4. Centrifuge; 5. Drying device; 6. Finished product tank; 7. Cooling kettle; 8. Filter screen; 9. Vibrating hammer; 10. Mother liquor tank; 11. First temperature sensor; 12. Steam inlet regulating valve; 13. Second temperature sensor; 14. Cooling water inlet regulating valve; 15. Boiling dryer; 16. Heating furnace; 17. Induced draft fan. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] like Figure 1As shown, an anhydrous manganese chloride production device includes a manganese chloride solution tank 1, the outlet of the manganese chloride solution tank 1 is connected to a concentration tank 2 through a pipeline, the outlet of the concentration tank 2 is connected to a crystallization tank 3 through a pipeline, and the outlet of the crystallization tank 3 is connected to a centrifuge 4; the solid phase outlet of the centrifuge 4 is connected to a drying device 5, and the outlet of the drying device 5 is connected to a finished product tank 6. The treated manganese chloride solution with a concentration of about 35%wt is added to the concentration tank 2 and concentrated to a concentration of about 55%wt. At this time, the temperature can reach 120-130°C, and then the concentrated solution is placed in the crystallization tank 3, the temperature is controlled at 60-70°C, and the crystallization is cooled and crystallized. After the crystallization is completed, centrifugation is performed to obtain manganese chloride trihydrate. The obtained manganese chloride trihydrate is added to the drying device 5, the temperature is controlled at about 260°C for drying, and after drying, the anhydrous manganese chloride product is obtained. The entire process only requires one drying. At the same time, the manganese chloride trihydrate will not melt and agglomerate during the drying process, and no secondary crushing and secondary drying are required, which greatly saves drying costs. At the same time, the obtained anhydrous manganese chloride is of high quality and high yield.

[0029] The outlet of the drying device 5 is connected to a cooling kettle 7, and the outlet of the cooling kettle 7 is connected to the finished product tank 6. The cooling kettle 7 cools the dried material to 50-70°C for easy packaging.

[0030] The outlet of the cooling kettle 7 is connected to a filter screen 8, and the outlet of the filter screen 8 is connected to the finished product tank 6. The cooled material is screened and packaged through the filter screen 8, thereby improving the quality of the product.

[0031] A vibrating hammer 9 is provided on the outer side of the bottom of the filter screen 8. Through the action of the vibrating hammer 9, the material is not easily accumulated in the filter screen 8, and the material can pass through the screen more smoothly, which is convenient for the collection and packaging of the product.

[0032] The liquid phase outlet of the centrifuge 4 is connected to the mother liquor tank 10 via a pipeline, and the outlet of the mother liquor tank 10 is connected to the manganese chloride solution tank 1 via a pipeline. The centrifuged mother liquor can be added back to the manganese chloride solution tank 1 for re-concentration and crystallization, thereby improving the yield of the product.

[0033] The drying device 5 is a boiling dryer 15 or a high-temperature oven. The drying device in this embodiment is a boiling dryer 15. The bottom of the boiling dryer 15 is connected to a heating furnace 16, and the top of the boiling dryer 15 is connected to an induced draft fan 17. The drying temperature is controlled at about 260°C, and the drying effect is good.

[0034] A first temperature sensor 11 is installed within the concentrator tank 2, and a steam inlet regulating valve 12 is installed on the jacket inlet pipe of the concentrator tank 2. The first temperature sensor 11 and the steam inlet regulating valve 12 are interlocked with a control system. The control system adjusts the opening of the steam inlet regulating valve 12 based on the value of the first temperature sensor 11 to maintain the concentration temperature at 120-130°C, achieving a better concentration effect.

[0035] A second temperature sensor 13 is provided in the crystallizer 3, and a cooling water inlet regulating valve 14 is provided on the jacket inlet pipe of the crystallizer 3. The second temperature sensor 13 and the cooling water inlet regulating valve 14 are interlocked with a control system. The control system adjusts the opening of the cooling water inlet regulating valve 14 according to the value of the second temperature sensor 13 to maintain the crystallization temperature at 60-70°C, thereby achieving a better crystallization effect.

[0036] 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. An anhydrous manganese chloride production device, comprising a manganese chloride solution tank, characterized in that: The outlet of the manganese chloride solution tank is connected to a concentration tank through a pipeline, the outlet of the concentration tank is connected to a crystallization tank through a pipeline, and the outlet of the crystallization tank is connected to a centrifuge; The solid phase outlet of the centrifuge is connected to a drying device, and the outlet of the drying device is connected to a finished product tank.

2. A device for producing anhydrous manganese chloride according to claim 1, characterized in that: The outlet of the drying device is connected to a cooling kettle, and the outlet of the cooling kettle is connected to the finished product tank.

3. A device for producing anhydrous manganese chloride according to claim 2, characterized in that: The outlet of the cooling kettle is connected to a filter screen, and the outlet of the filter screen is connected to the finished product tank.

4. The anhydrous manganese chloride production device according to claim 3, wherein: A vibrating hammer is provided on the outer side of the bottom of the filter screen.

5. The anhydrous manganese chloride production device according to claim 1, wherein: The liquid phase outlet of the centrifuge is connected to a mother liquid tank through a pipeline, and the outlet of the mother liquid tank is connected to the manganese chloride solution tank through a pipeline.

6. The anhydrous manganese chloride production device according to claim 1, wherein: The drying device is a boiling dryer or a high-temperature oven.

7. The anhydrous manganese chloride production device according to claim 1, wherein: A first temperature sensor is provided in the concentration tank, a steam intake regulating valve is provided on the jacket inlet pipe of the concentration tank, and the first temperature sensor and the steam intake regulating valve are interlocked with a control system.

8. The anhydrous manganese chloride production device according to claim 1, wherein: A second temperature sensor is provided in the crystallizer, a cooling water inlet regulating valve is provided on the jacket inlet pipe of the crystallizer, and the second temperature sensor and the cooling water inlet regulating valve are interlocked with a control system.

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