Mother liquor storage and transfer device for production of aminoacetonitrile hydrochloride

Abstract

The utility model relates to the technical field of mother liquor storage and transfer devices, in particular to a mother liquor storage and transfer device for producing aminoacetonitrile hydrochloride, which comprises a storage tank, a filter box, a liquor inlet pipe, a fixing ring, a filter barrel, a blanking pipe and a cleaning mechanism. The filter box is arranged on one side of the storage tank, a plurality of supporting legs are fixedly arranged between the filter box and the storage tank, the liquid inlet pipe penetrates through the filter box, the fixing ring is fixedly arranged on the inner wall of the filter box, the filter barrel is slidably arranged in the fixing ring, a mounting ring is fixedly arranged on the side wall of the filter barrel, and a mounting bolt is arranged between the mounting ring and the fixing ring in a penetrating mode. The discharging pipe is arranged between the filtering box and the storage tank in a communicating mode, the cleaning mechanism is arranged in the filtering box and used for cleaning the inner wall of the filtering barrel, and by means of the technical scheme, the problem that the service life of the storage tank is affected due to the fact that impurities in mother liquor in the related technology are likely to corrode the storage tank is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mother liquor storage and transportation devices, in particular to a mother liquor storage and transportation device for aminoacetonitrile hydrochloride production. Background Art

[0002] The mother liquor in the production of aminoacetonitrile hydrochloride refers to the residual liquid obtained after the raw materials and reaction products used to synthesize aminoacetonitrile hydrochloride are mixed and processed during the production process. This mother liquor usually contains unreacted raw materials, by-products and other impurities. After production is completed, this part of the mother liquor needs to be stored in a storage tank, and then the storage tank is transferred to the recovery process for recovery of the mother liquor.

[0003] However, since the mother liquor contains some impurities that have not reacted completely, these impurities are likely to settle to the bottom of the storage tank during storage and transportation. These impurities attached to the bottom of the storage tank are not easy to discharge, and the inner wall of the storage tank is easily corroded after long-term attachment, thereby affecting the service life of the storage tank. Utility Model Content

[0004] The utility model provides a mother liquor storage and transfer device for aminoacetonitrile hydrochloride production, which solves the problem in the related art that impurities in the mother liquor easily corrode the storage tank and affect the service life of the storage tank.

[0005] The technical solution of the utility model is as follows: A mother liquor storage and transfer device for the production of aminoacetonitrile hydrochloride, comprising a storage tank, a filter box, a liquid inlet pipe, a fixed ring, a filter barrel, a discharge pipe and a cleaning mechanism, wherein a transfer port is provided on the storage tank, and a first control valve is built in the transfer port; the filter box is arranged on one side of the storage tank, and a plurality of support legs are fixedly arranged between the filter box and the storage tank; the liquid inlet pipe is penetrated and arranged on the filter box, the fixed ring is fixedly arranged on the inner wall of the filter box, the filter barrel is slidably arranged in the fixed ring, a mounting ring is fixedly provided on the side wall of the filter barrel, and a mounting bolt is penetrated between the mounting ring and the fixed ring; the discharge pipe is connected and arranged between the filter box and the storage tank, and the cleaning mechanism is arranged in the filter box for cleaning the inner wall of the filter barrel.

[0006] Preferably, the filter box includes a box body and a box cover, the box cover is arranged on the box body, and a first bolt is provided between the box cover and the box body.

[0007] Furthermore, the cleaning mechanism includes:

[0008] A support column, the support column being rotatably disposed on the inner top wall of the filter box;

[0009] First support blocks, two of which are fixedly provided on the side walls of the support column;

[0010] A second support block, wherein the side wall of the support column is located on one side of the first support block and the second support block is fixedly provided;

[0011] a cleaning roller, the cleaning roller being arranged between the first supporting block and the second supporting block;

[0012] Cleaning bristles, the side walls of the second supporting block and the side walls of the cleaning roller are both covered with the cleaning bristles;

[0013] A positioning mechanism is provided on the cleaning roller for installing and fixing the cleaning roller;

[0014] A first motor is fixedly arranged on the filter box, and an output end of the first motor is fixedly connected to the support column.

[0015] Furthermore, the positioning mechanism includes:

[0016] Positioning grooves, both ends of the cleaning roller are provided with positioning grooves;

[0017] a first positioning block, the first positioning block being rotatably disposed on the first supporting block;

[0018] A positioning opening is provided on the second supporting block, a positioning post is slidably provided in the positioning opening, and a second positioning block is rotatably provided on the positioning post;

[0019] Wherein, the first positioning block and the second positioning block extend into the positioning slot;

[0020] A positioning plate is fixedly arranged on the side wall of the positioning column, and a plurality of second bolts are penetrated between the positioning plate and the second supporting block.

[0021] Furthermore, a rotating mechanism is also included, which is arranged in the supporting column and is used to control the cleaning roller to rotate. The rotating mechanism includes:

[0022] a first cavity, the first cavity being opened in the first supporting block;

[0023] a first bevel gear, the first bevel gear being rotatably disposed on the inner top wall of the first cavity, and a connecting rod being fixedly disposed between the first bevel gear and the first positioning block;

[0024] A driving mechanism is provided in the first cavity and is used to control the first bevel gear to rotate.

[0025] On the basis of the above solution, the driving mechanism includes:

[0026] a driving rod, the driving rod being rotatably disposed in the first cavity;

[0027] a second bevel gear, the second bevel gear being fixedly disposed on a side wall of the driving rod;

[0028] A rotating assembly is provided in the supporting column and is used for controlling the two driving rods to rotate synchronously.

[0029] On the basis of the above solution, the rotating assembly includes:

[0030] a second cavity, the second cavity being provided in the support column;

[0031] a third bevel gear, the third bevel gear being rotatably provided on the side wall of the second cavity close to the first cavity, and the third bevel gear being fixedly connected to the driving rod;

[0032] A driving assembly is provided in the second cavity and is used to control the two third bevel gears to rotate synchronously.

[0033] Based on the above solution, the driving component includes:

[0034] a fourth bevel gear rotatably disposed on the inner bottom wall of the second cavity;

[0035] A driving column is fixedly arranged between the fourth bevel gear and the inner bottom wall of the filter barrel.

[0036] On the basis of the above solution, a discharge pipe is provided through the side wall of the filter box, the discharge pipe is communicated with the filter barrel, and a second control valve is built into the discharge pipe.

[0037] Based on the above solution, an exhaust port is opened on the side wall of the storage tank, and an exhaust valve is built into the exhaust port.

[0038] The working principle and beneficial effects of the utility model are as follows:

[0039] 1. In the present invention, the cleaning mechanism is configured such that the first motor drives the support column to rotate, which in turn drives the cleaning roller to move around the support column via the first and second support blocks. Simultaneously, the cleaning roller and the cleaning bristles on the second support block clean the inner wall of the filter barrel, thereby preventing impurities from adhering to the inner wall of the filter barrel and affecting the filtration efficiency of the filter barrel.

[0040] 2. In the present invention, through the setting of the positioning mechanism, after the cleaning roller is placed between the first supporting block and the second supporting block, the first positioning block can be inserted into the positioning groove at one end of the cleaning roller. Then, the operator inserts the positioning column into the positioning opening, so that the second positioning block can be inserted into the positioning groove at the other end of the cleaning roller. Then, the positioning plate, the positioning column and the second positioning block are installed and fixed by the second bolt. Then, the cleaning roller can be installed by respectively cooperating with the positioning groove and the first positioning block and the second positioning block. The above steps can be reversed to realize the removal of the cleaning roller, thereby facilitating the replacement of the cleaning roller and ensuring the cleaning effect.

[0041] 3. In the present invention, by setting up the rotating mechanism, during the rotation of the support column, the third bevel gear can be driven to rotate around the fourth bevel gear. At the same time, the meshing of the third bevel gear and the fourth bevel gear drives the third bevel gear, the driving rod and the second bevel gear to rotate. At the same time, the meshing of the first bevel gear and the second bevel gear drives the first positioning block to rotate. Then, the cooperation between the first positioning block and the positioning groove can control the rotation of the cleaning roller, thereby further improving the cleaning efficiency.

[0042] 4. In the utility model, through the arrangement of the storage tank, the filter box, the liquid inlet pipe, the fixing ring, the filter barrel, the discharge pipe and the cleaning mechanism, it is convenient to filter the mother liquor through the filter barrel, and the filtered mother liquor can enter the storage tank through the discharge port, thereby preventing the impurities in the mother liquor from corroding the storage tank. At the same time, during the filtration process, the filter barrel can be cleaned by the cleaning roller, thereby improving the filtration efficiency, thereby solving the problem in the related art that the impurities in the mother liquor easily corrode the storage tank and affect the service life of the storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0044] Figure 1 This is a schematic diagram of the structure of the utility model;

[0045] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0046] Figure 3 This is a schematic diagram of the cross-sectional structure of the filter box of the utility model;

[0047] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0048] Figure 5 This is a schematic cross-sectional view of the cleaning mechanism of the present invention.

[0049] In the figure: 1. Storage tank; 2. Filter box; 3. Liquid inlet pipe; 4. Fixing ring; 5. Filter barrel; 6. Discharge pipe; 7. Support column; 8. First support block; 9. Second support block; 10. Cleaning roller; 11. First motor; 12. Positioning groove; 13. First positioning block; 14. Positioning column; 15. Second positioning block; 16. Positioning plate; 17. Drive rod; 18. Second bevel gear; 19. Third bevel gear; 20. Fourth bevel gear; 21. Drive column; 22. Discharge pipe. DETAILED DESCRIPTION

[0050] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0051] like Figure 1-Figure 5 As shown, this embodiment proposes a mother liquor storage and transfer device for aminoacetonitrile hydrochloride production, including a storage tank 1, a filter box 2, a liquid inlet pipe 3, a fixed ring 4, a filter barrel 5, a discharge pipe 6 and a cleaning mechanism. The storage tank 1 is provided with a transfer port, and the transfer port has a built-in first control valve. The filter box 2 is arranged on one side of the storage tank 1, and a plurality of support legs are fixedly arranged between the filter box 2 and the storage tank 1. The liquid inlet pipe 3 is arranged on the filter box 2, and the fixed ring 4 is fixedly arranged on the inner wall of the filter box 2. The filter barrel 5 is slidably arranged in the fixed ring 4. The side wall of the filter barrel 5 is fixedly provided with a mounting ring, and the mounting ring and the fixed ring 4 are fixedly provided. A mounting bolt is provided through the space, a discharge pipe 6 is provided between the filter box 2 and the storage tank 1, a cleaning mechanism is provided in the filter box 2, and is used to clean the inner wall of the filter barrel 5. The filter box 2 includes a box body and a box cover, the box cover is provided on the box body, and a first bolt is provided between the box cover and the box body. An exhaust port is provided on the side wall of the storage tank 1, and an exhaust valve is built into the exhaust port. The operator can add the mother liquor to the filter box 2 through the liquid inlet pipe 3, and then filter the mother liquor through the filter barrel 5. The filtered mother liquor can enter the storage tank 1 through the discharge port, thereby preventing impurities in the mother liquor from corroding the storage tank 1.

[0052] Reference Figure 2-Figure 5The cleaning mechanism includes a support column 7, a first support block 8, a second support block 9, a cleaning roller 10, cleaning bristles, a positioning mechanism and a first motor 11. The support column 7 is rotatably arranged on the inner top wall of the filter box 2. Two first support blocks 8 are fixedly arranged on the side wall of the support column 7. The side wall of the support column 7 is located on one side of the first support block 8 and is fixedly provided with a second support block 9. The cleaning roller 10 is arranged between the first support block 8 and the second support block 9. The side walls of the second support block 9 and the side walls of the cleaning roller 10 are all covered with cleaning bristles. A positioning mechanism is provided on the cleaning roller 10 for installing and fixing the cleaning roller 10. The first motor 11 is fixedly arranged on the filter box 2, and the output end of the first motor 11 is fixedly connected to the support column 7.

[0053] Specifically, the operation of the first motor 11 can drive the support column 7 to rotate, and then drive the cleaning roller 10 to move around the support column 7 through the first support block 8 and the second support block 9. At the same time, the inner wall of the filter barrel 5 is cleaned by the cleaning bristles on the cleaning roller 10 and the second support block 9, thereby preventing impurities from adhering to the inner wall of the filter barrel 5 and affecting the filtration efficiency of the filter barrel 5.

[0054] Reference Figure 3-Figure 5 The positioning mechanism includes a positioning groove 12, a first positioning block 13, a positioning port and a positioning plate 16. Positioning grooves 12 are provided at both ends of the cleaning roller 10. The first positioning block 13 is rotatably set on the first support block 8. The positioning port is opened on the second support block 9. A positioning column 14 is slidably set in the positioning port, and a second positioning block 15 is rotatably set on the positioning column 14. Among them, the first positioning block 13 and the second positioning block 15 extend into the positioning groove 12, and the positioning plate 16 is fixedly set on the side wall of the positioning column 14. A plurality of second bolts are penetrated between the positioning plate 16 and the second support block 9.

[0055] Specifically, after the cleaning roller 10 is placed between the first support block 8 and the second support block 9, the first positioning block 13 can be inserted into the positioning groove 12 at one end of the cleaning roller 10. Then the operator inserts the positioning column 14 into the positioning port, so that the second positioning block 15 can be inserted into the positioning groove 12 at the other end of the cleaning roller 10. Then, the positioning plate 16, the positioning column 14 and the second positioning block 15 are installed and fixed by the second bolt. Then, the cleaning roller 10 can be installed by cooperating with the first positioning block 13 and the second positioning block 15 respectively through the positioning groove 12. The above steps can be reversed to realize the disassembly of the cleaning roller 10, thereby facilitating the replacement of the cleaning roller 10 and ensuring the cleaning effect.

[0056] Reference Figure 5, also includes a rotating mechanism, the rotating mechanism is arranged in the support column 7, for controlling the cleaning roller 10 to rotate, the rotating mechanism includes a first cavity, a first bevel gear and a driving mechanism, the first cavity is opened in the first support block 8, the first bevel gear is rotatably arranged on the inner top wall of the first cavity, a connecting rod is fixedly arranged between the first bevel gear and the first positioning block 13, the driving mechanism is arranged in the first cavity, for controlling the first bevel gear to rotate, the driving mechanism includes a driving rod 17, a second bevel gear 18 and a rotating assembly, the driving rod 17 is rotatably arranged in the first cavity, the second bevel gear 18 is fixedly arranged on the side wall of the driving rod 17, and the rotating assembly is arranged In the support column 7, it is used to control the two driving rods 17 to rotate synchronously. The rotating assembly includes a second cavity, a third bevel gear 19 and a driving assembly. The second cavity is opened in the support column 7. The third bevel gear 19 is rotatably arranged on the side wall of the second cavity close to the first cavity. The third bevel gear 19 is fixedly connected to the driving rod 17. The driving assembly is arranged in the second cavity and is used to control the two third bevel gears 19 to rotate synchronously. The driving assembly includes a fourth bevel gear 20 and a driving column 21. The fourth bevel gear 20 is rotatably arranged on the inner bottom wall of the second cavity, and the driving column 21 is fixedly arranged between the fourth bevel gear 20 and the inner bottom wall of the filter barrel 5.

[0057] Specifically, during the rotation of the support column 7, the third bevel gear 19 can be driven to rotate around the fourth bevel gear 20. At the same time, the engagement of the third bevel gear 19 with the fourth bevel gear 20 drives the third bevel gear 19, the drive rod 17 and the second bevel gear 18 to rotate. At the same time, the engagement of the first bevel gear with the second bevel gear 18 drives the first positioning block 13 to rotate, and then the cleaning roller 10 can be controlled to rotate through the cooperation of the first positioning block 13 and the positioning groove 12, thereby further improving the cleaning efficiency.

[0058] Reference Figure 1 and Figure 2 A discharge pipe 22 is provided on the side wall of the filter box 2, and the discharge pipe 22 is connected to the filter barrel 5. The discharge pipe 22 has a built-in second control valve. After the mother liquor is discharged into the storage tank 1, the second control valve can be opened to discharge the impurities in the filter barrel through the discharge pipe 22.

[0059] After the cleaning roller 10 is in use, the operator places the cleaning roller 10 between the first support block 8 and the second support block 9, so that the first positioning block 13 can be inserted into the positioning groove 12 at one end of the cleaning roller 10. Then, the operator inserts the positioning column 14 into the positioning port, so that the second positioning block 15 can be inserted into the positioning groove 12 at the other end of the cleaning roller 10. Then, the positioning plate 16, the positioning column 14 and the second positioning block 15 are installed and fixed by the second bolt, and then the cleaning roller 10 can be installed by cooperating with the positioning groove 12 and the first positioning block 13 and the second positioning block 15 respectively. Then, the operator installs the box cover by the first bolt, and then the operator can add the mother liquor into the filter box 2 through the liquid inlet pipe 3, and then filter the mother liquor through the filter barrel 5. The filtered mother liquor can enter the storage tank 1 through the discharge port, thereby preventing impurities in the mother liquor from corroding the storage tank 1. During the process, the operator controls the first motor 11 to work, and the work of the first motor 11 can drive the support column 7 to rotate, and then drive the cleaning roller 10 to move around the support column 7 through the first support block 8 and the second support block 9. At the same time, the inner wall of the filter barrel 5 is cleaned by the cleaning brush on the cleaning roller 10 and the second support block 9, thereby preventing impurities from adhering to the inner wall of the filter barrel 5 and affecting the filtration efficiency of the filter barrel 5. At the same time, during the rotation of the support column 7, the third bevel gear 19 can be driven to rotate around the fourth bevel gear 20, and the engagement of the third bevel gear 19 and the fourth bevel gear 20 can drive the third bevel gear 19, the driving rod 17 and the second bevel gear 18 to rotate. At the same time, the engagement of the first bevel gear and the second bevel gear 18 can drive the first positioning block 13 to rotate, and then the cleaning roller 10 can be controlled to rotate by the cooperation of the first positioning block 13 and the positioning groove 12, thereby further improving the cleaning efficiency.

[0060] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mother liquor storage and transport device for aminoacetonitrile hydrochloride production, characterized in that: include: A storage tank (1), wherein a transfer port is provided on the storage tank (1), and a first control valve is built into the transfer port; A filter box (2), the filter box (2) being arranged on one side of the storage tank (1), and a plurality of support legs being fixedly arranged between the filter box (2) and the storage tank (1); a liquid inlet pipe (3), the liquid inlet pipe (3) being arranged through the filter box (2); A fixing ring (4), the fixing ring (4) being fixedly arranged on the inner wall of the filter box (2); A filter barrel (5), the filter barrel (5) being slidably disposed within the fixing ring (4), a mounting ring being fixedly disposed on the side wall of the filter barrel (5), and mounting bolts being provided through the mounting ring and the fixing ring (4); A feed pipe (6), the feed pipe (6) being arranged in communication between the filter box (2) and the storage tank (1); A cleaning mechanism is provided in the filter box (2) and is used to clean the inner wall of the filter barrel (5).

2. The mother liquor storage and transport device for producing aminoacetonitrile hydrochloride according to claim 1, wherein: The filter box (2) comprises a box body and a box cover, the box cover is arranged on the box body, and a first bolt is arranged between the box cover and the box body.

3. A mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 2, characterized in that: The cleaning mechanism comprises: A support column (7), the support column (7) being rotatably arranged on the inner top wall of the filter box (2); A first support block (8), two of which are fixedly provided on the side wall of the support column (7); A second support block (9), wherein the side wall of the support column (7) is located on one side of the first support block (8) and is fixedly provided with the second support block (9); a cleaning roller (10), the cleaning roller (10) being arranged between the first supporting block (8) and the second supporting block (9); Cleaning bristles, the side walls of the second support block (9) and the side walls of the cleaning roller (10) are both covered with the cleaning bristles; A positioning mechanism, wherein the cleaning roller (10) is provided with a positioning mechanism for installing and fixing the cleaning roller (10); A first motor (11), wherein the first motor (11) is fixedly arranged on the filter box (2), and an output end of the first motor (11) is fixedly connected to the support column (7).

4. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 3, characterized in that: The positioning mechanism comprises: Positioning grooves (12), both ends of the cleaning roller (10) are provided with the positioning grooves (12); a first positioning block (13), the first positioning block (13) being rotatably disposed on the first supporting block (8); A positioning opening, the positioning opening being provided on the second support block (9), a positioning column (14) being slidably provided in the positioning opening, and a second positioning block (15) being rotatably provided on the positioning column (14); Wherein, the first positioning block (13) and the second positioning block (15) extend into the positioning groove (12); A positioning plate (16) is fixedly arranged on a side wall of the positioning column (14), and a plurality of second bolts are provided between the positioning plate (16) and the second support block (9).

5. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 4, characterized in that: It also includes a rotation mechanism, which is arranged in the support column (7) and is used to control the cleaning roller (10) to rotate. The rotation mechanism includes: A first cavity, the first cavity being opened in the first support block (8); a first bevel gear, the first bevel gear being rotatably arranged on the inner top wall of the first cavity, and a connecting rod being fixedly arranged between the first bevel gear and the first positioning block (13); A driving mechanism is provided in the first cavity and is used to control the first bevel gear to rotate.

6. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 5, characterized in that: The driving mechanism comprises: a driving rod (17), the driving rod (17) being rotatably disposed in the first cavity; a second bevel gear (18), the second bevel gear (18) being fixedly disposed on a side wall of the driving rod (17); A rotating assembly is provided in the support column (7) and is used to control the two driving rods (17) to rotate synchronously.

7. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 6, characterized in that: The rotating assembly comprises: A second cavity, the second cavity being opened in the support column (7); a third bevel gear (19), the third bevel gear (19) being rotatably provided on a side wall of the second cavity close to the first cavity, the third bevel gear (19) being fixedly connected to the driving rod (17); A drive assembly is provided in the second cavity and is used to control the two third bevel gears (19) to rotate synchronously.

8. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 7, characterized in that: The drive assembly includes: a fourth bevel gear (20), the fourth bevel gear (20) being rotatably disposed on the inner bottom wall of the second cavity; A driving column (21), wherein the driving column (21) is fixedly arranged between the fourth bevel gear (20) and the inner bottom wall of the filter barrel (5).

9. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 8, characterized in that: A discharge pipe (22) is provided through the side wall of the filter box (2), the discharge pipe (22) is in communication with the filter barrel (5), and a second control valve is built into the discharge pipe (22).

10. The mother liquor storage and transport device for aminoacetonitrile hydrochloride production according to claim 9, characterized in that: An exhaust port is provided on the side wall of the storage tank (1), and an exhaust valve is built into the exhaust port.

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