Impurity treatment device for boron carbide particle production

Abstract

An impurity treatment device for boron carbide particle production comprises an acid-alkali washing reaction tank, a temperature monitor is arranged in the acid-alkali washing reaction tank and electrically connected with a temperature display meter, and the top end of one side of an overflow disc is connected with the top edge of the acid-alkali washing reaction tank through an overflow disc liquid inlet pipe. The side face of the other side of the overflow disc is connected with a recovery tank through an overflow disc liquid outlet pipe, the recovery tank is connected with a waste liquid treatment device through a recovery tank discharging pipe, a pump and a treatment device liquid inlet pipe, and an aeration ring pipe is connected to the inner wall of the bottom of the acid-alkali washing reaction tank through a supporting rod and connected with an external connecting pipe. According to the acid and alkali washing reaction tank, due to the arrangement of the aeration machine, the overflow disc and the aeration ring pipe, when materials in the acid and alkali washing reaction tank are subjected to acid washing and alkali washing, the use amount of acid and alkali is reduced by 20%, the use amount of water is reduced by 40%, the production cost is greatly saved, and the production efficiency is improved. And the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boron carbide production, in particular to an impurity treatment device for the production of boron carbide particles. Background Art

[0002] Boron carbide, also known as black diamond, is an inorganic substance with the chemical formula B4C. It is one of the three hardest materials known (after diamond and cubic boron nitride). Due to its low density, high strength, high temperature stability and good chemical stability, compared with diamond and cubic boron nitride, boron carbide is easy to manufacture and low cost, so it is more widely used. In some places, it can replace expensive diamond and is commonly used in grinding, lapping, drilling, etc. In the process of producing boron carbide particles, the boron carbide particles need to be acid-washed and alkaline-washed. The traditional method requires a large amount of acid, alkali and water. The process takes a long time and is inefficient, resulting in high production costs. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and to provide an impurity treatment device for the production of boron carbide particles. The aerator technology and overflow treatment are used to improve the production process and production technology, greatly reduce the use of acid, alkali and water, improve production efficiency, save time and cost.

[0004] The technical solution adopted by the utility model is an impurity treatment device for producing boron carbide particles, including an acid-base washing reaction tank, a temperature monitor is arranged inside the acid-base washing reaction tank, the temperature monitor is electrically connected to a temperature display meter, support rods are arranged around the upper part of the acid-base washing reaction tank, the support rods are connected to an overflow plate, the top of one side of the overflow plate is connected to one end of an overflow plate liquid inlet pipe, the other end of the overflow plate liquid inlet pipe is connected to the top edge of the acid-base washing reaction tank, the other side of the overflow plate is connected to the overflow plate liquid outlet pipe, the overflow plate liquid outlet pipe is connected to a recovery tank, the recovery tank is connected to a recovery tank discharge pipe, and the recovery tank discharge pipe is connected to a recovery tank discharge pipe. The material pipe is connected to the pump, the pump is connected to the liquid inlet pipe of the processing device, the liquid inlet pipe of the processing device is connected to the waste liquid processing device, a support rod is provided on the inner wall of the bottom of the acid-base washing reaction tank, the support rod is connected to the aeration ring pipe, the outer wall of the aeration ring pipe is provided with air holes around, one side of the aeration ring pipe is connected to the external connecting pipe, a stop valve is provided on the side of the external connecting pipe close to the acid-base washing reaction tank, an external water control valve is provided on the far end of the other side of the external connecting pipe, the middle section of the external connecting pipe is connected to the steam generating device and the aerator through the steam pipe and the aeration pipe respectively, the steam pipe is provided with a steam control valve, and the aeration pipe is provided with an aeration pipe control valve.

[0005] The steam generating device is located on the second supporting platform, the aerator is located on the first supporting platform, a second supporting column is connected between the second supporting platform and the first supporting platform, and the bottom of the first supporting platform is connected to the first supporting column.

[0006] The top of the acid-base washing reaction tank is provided with an alkali feed pipe, an acid feed pipe and a boron carbide feed pipe, the alkali feed pipe is connected to an alkali pump, the alkali pump is connected to an alkali tank discharge pipe, the alkali tank discharge pipe is connected to an alkali tank, the acid feed pipe is connected to an acid pump, the acid pump is connected to an acid tank discharge pipe, the acid tank discharge pipe is connected to an acid tank, the middle of the acid-base washing reaction tank is connected to a reaction tank support rod, the bottom of the acid-base washing reaction tank is connected to a centrifugal dehydrator through a reaction tank discharge pipe, and a discharge control valve is provided on the reaction tank discharge pipe.

[0007] The bottom of the middle section of the external pipe is connected to the pipe bracket.

[0008] The overflow tray is inclined, and the horizontal plane connected to the overflow tray liquid inlet pipe is higher than the horizontal plane connected to the overflow tray liquid outlet pipe.

[0009] The beneficial effects of the utility model are as follows: an aerator is added to the production process of the device, an overflow plate is added to the outside of the acid and alkali washing reaction tank, and an aeration ring pipe is added inside the acid and alkali washing reaction tank. After the materials in the acid and alkali washing reaction tank are acid washed and alkali washed, the materials are aerated by the aerator respectively, so that the impurities are completely separated from the materials, and then washed with water after separation, so that the waste liquid containing impurities is discharged through the overflow plate. In the overall process, the use of acid and alkali is reduced by 20%, and the use of water is reduced by 40%, which greatly saves the production cost and improves the production efficiency.

[0010] The overflow plate is designed to be inclined so that the waste liquid in the acid and alkali washing reaction tank will not leave any residual liquid in it when it flows through the overflow plate.

[0011] After the waste liquid is discharged through the overflow plate, it is precipitated in the recovery tank. After precipitation, the waste liquid enters the waste liquid treatment device for treatment and is discharged after meeting the standards, thus protecting the environment.

[0012] External water, steam, and aeration all enter the acid-base cleaning reaction tank through the external connecting pipe and the aeration ring pipe, saving the cost of the device. At the same time, the stop valve can prevent the material and waste liquid in the acid-base cleaning reaction tank from flowing into the external connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall flow structure of the device of the utility model.

[0014] Figure 2 The utility model is a schematic diagram of the connection structure of the acid-base washing reaction tank and the overflow plate.

[0015] Figure 3 The utility model is a schematic diagram of the connection structure of the acid-base washing reaction tank and the aeration ring pipe.

[0016] Figure 4 It is a schematic diagram of the aeration ring tube and air hole structure of the utility model.

[0017] In the figure: 1, alkali tank, 2, alkali tank discharge pipe, 3, alkali pump, 4, alkali feed pipe, 5, acid and alkali washing reaction tank, 6, acid feed pipe, 7, acid pump, 8, acid tank discharge pipe, 9, acid tank, 10, temperature monitor, 11, temperature display table, 12, reaction tank discharge pipe, 13, centrifugal dehydrator, 14, discharge control valve, 15, support rod, 16, overflow plate, 17, overflow plate liquid inlet pipe, 18, overflow plate liquid outlet pipe, 19, recovery tank, 20, recovery tank discharge pipe, 21, pump, 22, treatment device Liquid inlet pipe, 23. Waste liquid treatment device, 24. Support rod, 25. Aeration ring pipe, 26. Air hole, 27. External connecting pipe, 28. Stop valve, 29. External water control valve, 30. Pipe bracket, 31. Steam pipe, 32. Steam generating device, 33. Steam control valve, 34. Aeration pipe, 35. Aerator, 36. Aeration pipe control valve, 37. Second support platform, 38. Second support column, 39. First support platform, 40. First support column, 41. Reactor support rod, 42. Boron carbide feed pipe. DETAILED DESCRIPTION

[0018] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0019] Referring to the accompanying drawings, an impurity treatment device for producing boron carbide particles includes an acid-base washing reaction tank 5, wherein a temperature monitor 10 is provided inside the acid-base washing reaction tank 5, wherein the temperature monitor 10 is electrically connected to a temperature display meter 11, wherein support rods 15 are provided around the upper part of the acid-base washing reaction tank 5, wherein the support rods 15 are connected to an overflow plate 16, wherein the top end of one side of the overflow plate 16 is connected to one end of an overflow plate liquid inlet pipe 17, wherein the other end of the overflow plate liquid inlet pipe 17 is connected to the top edge of the acid-base washing reaction tank 5, wherein the other side of the overflow plate 16 is connected to an overflow plate liquid outlet pipe 18, wherein the overflow plate liquid outlet pipe 18 is connected to a recovery tank 19, wherein the recovery tank 19 is connected to a recovery tank discharge pipe 20, wherein the recovery tank discharge pipe 20 is connected to a pump 21, wherein the pump 21 is connected to a liquid inlet pipe 22 of a treatment device, and the liquid inlet pipe 22 of the treatment device is connected to a waste liquid treatment device 23. A support rod 24 is provided on the inner wall of the bottom of the acid-base washing reaction tank 5, and the support rod 24 is connected to an aeration ring pipe 25. Air holes 26 are provided around the outer wall of the aeration ring pipe 25. One side of the aeration ring pipe 25 is connected to an external connecting pipe 27. A stop valve 28 is provided on the side of the external connecting pipe 27 close to the acid-base washing reaction tank 5, and an external water control valve 29 is provided on the far end of the other side of the external connecting pipe 27. The middle section of the external connecting pipe 27 is connected to a steam generator 32 and an aerator 35 through a steam pipe 31 and an aeration pipe 34 respectively. A steam control valve 33 is provided on the steam pipe 31, and an aeration pipe control valve 36 is provided on the aeration pipe 34.

[0020] The steam generating device 32 is located on the second supporting platform 37 , the aerator 35 is located on the first supporting platform 39 , a second supporting column 38 is connected between the second supporting platform 37 and the first supporting platform 39 , and the bottom of the first supporting platform 39 is connected to the first supporting column 40 .

[0021] The top of the acid-base washing reaction tank 5 is provided with an alkali feed pipe 4, an acid feed pipe 6 and a boron carbide feed pipe 42, the alkali feed pipe 4 is connected to the alkali pump 3, the alkali pump 3 is connected to the alkali tank discharge pipe 2, the alkali tank discharge pipe 2 is connected to the alkali tank 1, the acid feed pipe 6 is connected to the acid pump 7, the acid pump 7 is connected to the acid tank discharge pipe 8, the acid tank discharge pipe 8 is connected to the acid tank 9, the middle of the acid-base washing reaction tank 5 is connected to the reaction tank support rod 41, the bottom of the acid-base washing reaction tank 5 is connected to the centrifugal dehydrator 13 through the reaction tank discharge pipe 12, and the reaction tank discharge pipe 12 is provided with a discharge control valve 14.

[0022] The middle section bottom of the external connecting pipe 27 is connected to the pipe support 30 .

[0023] The overflow pan 16 is inclined, and the horizontal plane connecting with the overflow pan liquid inlet pipe 17 is higher than the horizontal plane connecting with the overflow pan liquid outlet pipe 18 .

[0024] When the acid-base washing device for producing boron carbide particles is used, the boron carbide particles to be processed are firstly put into the acid-base washing reaction tank 5 from the boron carbide feeding pipe 42, and then the alkali solution in the alkali tank 1 is injected into the acid-base washing reaction tank 5, and the steam generating device 32, the steam control valve 33 and the stop valve 28 are started to heat the material and the alkali solution in the acid-base washing reaction tank 5. The temperature monitor 10 can monitor the temperature in the acid-base washing reaction tank 5 in real time and display it through the temperature display table 11. When the temperature is heated to a certain temperature, the steam generating device 32, the steam control valve 33 and the stop valve 28 are turned off. Control valve 33 and stop valve 28, start aerator 35, aeration pipe control valve 36 and stop valve 28 to aerate the alkaline solution of the material in the acid-base washing reaction tank 5, so that the impurities are completely separated from the material. After the process time is reached, close the aerator 35, aeration pipe control valve 36 and stop valve 28, open the external water control valve 29 and stop valve 28, use external water to wash the material, so that the impurities flow from bottom to top through the overflow plate 16 into the recovery tank 19 for precipitation, and after precipitation, discharge the waste liquid into the waste liquid treatment device 23 for treatment, and discharge it after meeting the standards.

[0025] After the material in the acid-base washing reaction tank 5 is cleaned, close the external water control valve 29 and the stop valve 28, and then inject the acid solution in the acid tank 9 into the acid-base washing reaction tank 5 to repeat the above process. After all the processing is completed, open the discharge control valve 14 to allow the material to enter the centrifugal dehydrator 13 for dehydration.

[0026] In the above production process, steam, aeration and external water all enter the acid-base washing reaction tank 5 through the external connecting pipe 27 and the aeration ring pipe 25.

[0027] The device adds an aerator 35 in the production process, adds an overflow plate 16 outside the acid-base washing reaction tank 5, and adds an aeration ring pipe 25 inside the acid-base washing reaction tank 5. After the materials in the acid-base washing reaction tank 5 are acid-washed and alkali-washed, they are aerated by the aerator 35 respectively, so that impurities and materials are completely separated. After separation, they are washed with water, and the waste liquid containing impurities is discharged through the overflow plate 16. In the overall process, the use of acid and alkali is reduced by 20%, and the use of water is reduced by 40%, which greatly saves production costs and improves production efficiency.

[0028] The overflow plate 16 is designed to be inclined so that no residual liquid will remain in the waste liquid in the acid-base washing reaction tank 5 when it flows through the overflow plate 16 .

[0029] After being discharged from the overflow plate 16, the waste liquid is precipitated in the recovery tank 19. The precipitated waste liquid then enters the waste liquid treatment device 23 for treatment and is discharged after meeting the standards, thereby protecting the environment.

[0030] External water, steam, and aeration all enter the acid-base washing reaction tank 5 through the external connecting pipe 27 and the aeration ring pipe 25, saving the cost of the device. At the same time, the stop valve 28 can prevent the materials and waste liquid in the acid-base washing reaction tank 5 from flowing into the external connecting pipe 27.

[0031] The above-mentioned embodiments of the new invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An impurity treatment device for producing boron carbide particles, comprising an acid-base washing reaction tank (5), characterized in that: The acid-base washing reaction tank (5) is provided with a temperature monitor (10) inside, and the temperature monitor (10) is electrically connected to a temperature display table (11). The upper part of the acid-base washing reaction tank (5) is provided with support rods (15) around the periphery, and the support rods (15) are connected to an overflow plate (16). The top of one side of the overflow plate (16) is connected to one end of an overflow plate liquid inlet pipe (17), and the other end of the overflow plate liquid inlet pipe (17) is connected to the top edge of the acid-base washing reaction tank (5). The other side of the overflow plate (16) is connected to an overflow plate liquid outlet pipe (18), and the overflow plate liquid outlet pipe (18) is connected to a recovery tank (19), and the recovery tank (19) is connected to a recovery tank discharge pipe (20), and the recovery tank discharge pipe (20) is connected to a pump (21), and the pump (21) is connected to a treatment device liquid inlet pipe (22), and the treatment device The device liquid inlet pipe (22) is connected to the waste liquid treatment device (23); a support rod (24) is provided on the inner wall of the bottom of the acid-base washing reaction tank (5); the support rod (24) is connected to the aeration ring pipe (25); the outer wall of the aeration ring pipe (25) is provided with air holes (26) around; one side of the aeration ring pipe (25) is connected to an external pipe (27); a stop valve (28) is provided on the side of the external pipe (27) close to the acid-base washing reaction tank (5); an external water control valve (29) is provided on the far end of the other side of the external pipe (27); the middle section of the external pipe (27) is connected to the steam generating device (32) and the aerator (35) through the steam pipe (31) and the aeration pipe (34) respectively; the steam pipe (31) is provided with a steam control valve (33); the aeration pipe (34) is provided with an aeration pipe control valve (36).

2. The impurity treatment device for producing boron carbide particles according to claim 1, characterized in that: The steam generating device (32) is located on the second supporting platform (37), the aerator (35) is located on the first supporting platform (39), a second supporting column (38) is connected between the second supporting platform (37) and the first supporting platform (39), and the bottom of the first supporting platform (39) is connected to the first supporting column (40).

3. The impurity treatment device for producing boron carbide particles according to claim 1, characterized in that: The top of the acid-base washing reaction tank (5) is provided with an alkali feed pipe (4), an acid feed pipe (6) and a boron carbide feed pipe (42); the alkali feed pipe (4) is connected to an alkali pump (3); the alkali pump (3) is connected to an alkali tank discharge pipe (2); the alkali tank discharge pipe (2) is connected to an alkali tank (1); the acid feed pipe (6) is connected to an acid pump (7); the acid pump (7) is connected to an acid tank discharge pipe (8); the acid tank discharge pipe (8) is connected to an acid tank (9); the middle of the acid-base washing reaction tank (5) is connected to a reaction tank support rod (41); the bottom of the acid-base washing reaction tank (5) is connected to a centrifugal dehydrator (13) through a reaction tank discharge pipe (12); and a discharge control valve (14) is provided on the reaction tank discharge pipe (12).

4. The impurity treatment device for producing boron carbide particles according to claim 1, characterized in that: The middle section bottom of the external connecting pipe (27) is connected to the pipe support (30).

5. The impurity treatment device for producing boron carbide particles according to claim 1, characterized in that: The overflow tray (16) is inclined, and the horizontal plane connected to the overflow tray liquid inlet pipe (17) is higher than the horizontal plane connected to the overflow tray liquid outlet pipe (18).

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