Impurity removal device for acrylamide solution

Abstract

The utility model relates to an acrylamide solution impurity removal device, which relates to the technical field of solution impurity removal, and comprises an impurity removal tank, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are both arranged on the impurity removal tank, the impurity removal tank is provided with a replacement groove communicated with the inside of the tank body, a filter frame capable of penetrating through the replacement groove is arranged in the impurity removal tank in a sliding manner, and the filter frame is provided with a filter screen. The filtering frame is provided with a filtering membrane, a sealing block is arranged in the impurity removal tank in a sliding mode, the sealing block can be inserted into the liquid inlet pipe to seal the liquid inlet pipe, the sealing block is provided with a fixing rod, the filtering frame is provided with a fixing hole, the fixing rod can be inserted into the fixing hole, and the impurity removal tank is provided with a moving assembly. The moving assembly is used for driving the sealing block to move, the impurity removal tank is provided with an assembling assembly, and the assembling assembly is used for assembling the filtering block on the impurity removal tank. The method has the effect of reducing the safety risk.

Description

TECHNICAL FIELD

[0001] The utility model relates to solution impurity removal technical field especially is related to a kind of acrylamide solution impurity removal device. BACKGROUND

[0002] Acrylamide is the most important, the most simple one in acrylamide system, can be used as the raw material of organic synthesis and high polymer material, mainly used for producing polyacrylamide, acrylamide is found in cosmetics, smoking, the starch-rich food and drinking water cooked at high temperature (>120 DEG C), acrylamide is highly water-soluble, can enter the body through skin, mucous membrane, respiratory tract and gastrointestinal tract etc. It has genotoxicity, immunotoxicity, neurotoxicity, reproductive toxicity, carcinogenicity, and it is classified as a class II carcinogen by International Agency for Research on Cancer (IAF) in 1994, and is listed as one of the second batch of substances of very high concern in REACH regulation.

[0003] Acrylamide solution needs to be used after removing impurities by filtering, and the common impurity removal method in prior art is filtering impurity removal method, which is provided with impurity removal container, and filter screen or filter membrane device is arranged in the container, the pipeline with valve is inserted into the container to discharge acrylamide solution, and the acrylamide solution is filtered by filter screen or filter membrane.

[0004] When filtering by filter screen or filter membrane, the filtering speed may be affected by clogging after long time use, so it needs to be replaced in time, but acrylamide solution has certain harmfulness to human body, if valve device of pipeline is touched by mistake during replacing filter screen or filter membrane, acrylamide solution is still discharged into the container during replacing filter screen or filter membrane, acrylamide solution continuously falls on filter screen or filter membrane, may be leaked to outside of container by sputtering or residual mode with filter screen or filter membrane, contact human body and cause damage, and there is great safety risk. UTILITY MODEL CONTENT

[0005] In order to reduce safety risk, the application provides a kind of acrylamide solution impurity removal device.

[0006] The acrylamide solution impurity removal device provided by the application adopts the following technical scheme:

[0007] The device for removing impurities from acrylamide solution comprises a removal tank, an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe are arranged on the removal tank, the removal tank is provided with a replacement groove which is communicated with the inside of the tank body, a filter frame which can pass through the replacement groove is arranged in the removal tank, the filter frame is provided with a filter membrane, a closing block is arranged in the removal tank, the closing block can be inserted into the inlet pipe to close the inlet pipe, the closing block is provided with a fixing rod, the filter frame is provided with a fixing hole, the fixing rod can be inserted into the fixing hole, the removal tank is provided with a moving assembly which is used for moving the closing block, and the removal tank is provided with an assembling assembly which is used for assembling the filter block on the removal tank.

[0008] When the filter membrane needs to be replaced, the closing block is moved by the moving assembly so that the closing block is inserted into the inlet pipe to block the inlet pipe, at this time, the fixing rod is separated from the fixing hole, the filter frame can be disassembled from the replacement groove by the assembling assembly, at this time, if the valve on the inlet pipe is opened by mistake, the closing block can still resist the inlet pipe, so that the possibility that the acrylamide solution is discharged and then leaks out of the filter frame and the replacement groove to contact the human body is reduced, the possibility that the acrylamide solution is discharged during the replacement of the filter frame is reduced by the structure of the closing block and the fixing rod, and the probability that the worker accidentally contacts the acrylamide solution during the replacement of the filter frame is reduced, and the safety risk is reduced.

[0009] Preferably, the moving assembly comprises a moving rod and a moving cylinder, the moving cylinder is arranged on the removal tank, and the moving rod is arranged on the piston rod of the moving cylinder and connected with the closing block.

[0010] By adopting the above technical scheme, the moving cylinder is started to drive the closing block to move up and down through the moving rod, the operation is simple and convenient, the use is convenient, and the pressure of the inlet pipe to discharge liquid can be well balanced when the closing block is inserted into the inlet pipe.

[0011] Preferably, the closing block is provided with a closing plate, the moving rod and the fixing rod are connected with the closing plate, and the closing plate is provided with an inclined surface.

[0012] By adopting the above technical scheme, the closing plate increases the fixing area of the fixing rod and the moving rod, improves the stability of the assembly of the fixing rod and the moving rod, and facilitates the flow of the acrylamide solution by arranging the inclined surface, so that the possibility that the acrylamide solution is left on the closing plate is reduced.

[0013] Preferably, the moving cylinder is arranged outside the removal tank, and the moving rod passes through the removal tank.

[0014] By adopting the above technical scheme, the mobile cylinder is arranged outside the impurity removal tank, so as to reduce the possibility that the acrylamide solution splashes on the mobile cylinder and affects the function of the mobile cylinder, and the mobile cylinder is arranged outside the impurity removal tank, so as to facilitate the maintenance and replacement of the mobile cylinder.

[0015] Preferably, the liquid inlet pipe is provided with a mounting block, and the mobile cylinder is arranged on the mounting block.

[0016] By adopting the above technical scheme, the mobile cylinder is arranged on the mounting block, so as to facilitate the installation and disassembly of the mobile cylinder, and the mobile cylinder is arranged at a certain distance from the impurity removal tank, so as to facilitate the installation and disassembly of the mobile rod.

[0017] Preferably, the assembly assembly comprises an assembly plate and an assembly bolt, the outer wall of the impurity removal tank is provided with an assembly groove communicating with the replacement groove, the assembly plate is inserted into the assembly groove and abuts against the filter frame, and the assembly bolt is used to assemble the assembly plate on the impurity removal tank.

[0018] By adopting the above technical scheme, after the filter frame is inserted into the impurity removal tank, the assembly plate is inserted into the assembly groove and abuts against the filter frame, and the assembly plate is assembled on the impurity removal tank by the assembly bolt, so as to complete the assembly, facilitate the operation, and facilitate the disassembly and replacement of the filter frame.

[0019] Preferably, the inner wall of the impurity removal tank is provided with a mounting rod, and the mounting rod abuts against the filter frame.

[0020] By adopting the above technical scheme, the mounting rod abuts against the bottom wall of the filter frame, so as to facilitate the installation of the filter frame and improve the stability of the filter frame in the impurity removal tank.

[0021] Preferably, the mounting rod is provided with an auxiliary hole, and the fixing rod is inserted into the auxiliary hole through the fixing hole.

[0022] By adopting the above technical scheme, the fixing rod is inserted into the auxiliary hole on the mounting rod through the fixing hole, so as to improve the stability of the filter frame clamped by the fixing rod, reduce the possibility of sliding movement of the filter frame, and improve the stability of the installation of the filter frame.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The device comprises a removal tank, an inlet pipe, an outlet pipe, a replacement tank, a filter frame, a filter membrane, a sealing block, a fixing rod, a fixing hole, a moving assembly and an assembling assembly, the inlet pipe is arranged to pour acrylamide solution into the removal tank, the acrylamide solution is filtered by the filter membrane on the filter frame and then discharged through the outlet pipe, when the filter frame needs to be replaced, the moving assembly drives the sealing block to move upwards to block the inlet pipe so that the fixing rod is separated from the fixing hole, and the filter frame is removed from the replacement tank through the assembling assembly, thereby reducing the possibility of acrylamide solution leakage through the filter frame and the safety risk of acrylamide solution contacting workers;

[0025] 2. The device comprises a moving rod, a moving cylinder, a sealing plate and an inclined surface, the moving cylinder is started to drive the sealing plate to move up and down through the moving rod, thereby driving the sealing block and the fixing rod to move up and down, the operation is simple and convenient, the sealing plate is arranged on the inclined surface to facilitate the flow of acrylamide solution, and the possibility of residual acrylamide solution on the sealing plate is reduced;

[0026] 3. The device comprises an assembling plate, an assembling bolt and an assembling groove, the assembling plate is inserted into the assembling groove and abuts against the filter frame inserted into the removal tank, and the assembling plate is fixed on the removal tank through the assembling bolt, the operation is simple and convenient, the filter frame is conveniently replaced, and the stability of the filter frame installation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 is a whole schematic view of an acrylamide solution impurity removal device provided by the embodiment of the application.

[0028] Fig. 2 is a sectional view for showing the connection relationship between the fixing rod and the filter frame.

[0029] Fig. 3 is a sectional view for showing the structure of the assembling assembly.

[0030] Marked as follows: 1, removal tank; 11, replacement tank; 12, assembling groove; 13, mounting rod; 131, auxiliary hole; 14, mounting groove; 2, inlet pipe; 21, valve; 22, mounting block; 3, outlet pipe; 4, filter frame; 41, filter membrane; 42, fixing hole; 5, sealing plate; 51, inclined surface; 52, sealing block; 53, fixing rod; 6, moving assembly; 61, moving rod; 62, moving cylinder; 7, assembling assembly; 71, assembling plate; 72, assembling bolt. DETAILED DESCRIPTION

[0031] The following will be described in detail with reference to the accompanying drawings Figs. 1-3 The application will be further described in detail.

[0032] The embodiment of the application discloses an acrylamide solution impurity removal device. Referring to Figs. 1 to 3It comprises a liquid inlet pipe 2, a liquid outlet pipe 3 and a square impurity removal tank 1. The liquid inlet pipe 2 is provided with a valve 21. The liquid inlet pipe 2 is fixedly arranged on the top of the impurity removal tank 1 and communicates with the inside of the impurity removal tank 1. The liquid outlet pipe 3 is fixedly arranged on the bottom of the impurity removal tank 1 and communicates with the inside of the impurity removal tank 1. The outside sidewall of the impurity removal tank 1 is provided with a replacement groove 11 which communicates with the inside. The inside sidewall of the impurity removal tank 1 is fixedly provided with two mounting rods 13. The top wall of the mounting rod 13 is flush with the bottom wall of the replacement groove 11. The impurity removal tank 1 is provided with a filter frame 4. The filter frame 4 is inserted into the impurity removal tank 1 through the replacement groove 11 and abuts against the top wall of the mounting rod 13. The inside of the filter frame 4 is closed and provided with a filter membrane 41 (the mesh is not shown in the figure). The impurity removal tank 1 is provided with an assembly assembly 7 for assembling the filter block in the impurity removal tank 1. The liquid inlet pipe 2 is connected to an acrylamide solution production device through a pipeline. The acrylamide solution discharged from the liquid inlet pipe 2 is filtered and impurities are removed through the filter membrane 41 on the filter frame 4. The inside sidewall of the side of the impurity removal tank 1 away from the replacement groove 11 is provided with a mounting groove 14 for inserting the filter frame 4. In another embodiment, the impurity removal tank 1 is provided with an observation window.

[0033] In order to improve safety performance, with reference to Fig. 2 and Fig. 3 , the impurity removal tank 1 is provided with a closing plate 5. The top of the closing plate 5 is fixedly provided with a closing block 52. A circle of inclined surfaces 51 is arranged on the top wall of the closing plate 5 around the closing block 52. The top of the closing block 52 is provided with a sharp top and can be inserted into the liquid inlet pipe 2 to close the liquid inlet pipe 2. The closing plate 5 is fixedly provided with an L-shaped fixing rod 53. The filter frame 4 is provided with a fixing hole 42. The top wall of the mounting rod 13 is provided with an auxiliary hole 131. The fixing rod 53 can be adapted to pass through the fixing hole 42 and be adapted to be inserted into the auxiliary hole 131. The impurity removal tank 1 is provided with a moving assembly 6 for moving the closing plate 5. When the fixing rod 53 passes through the fixing hole 42 and is inserted into the auxiliary hole 131, the closing block 52 is not inserted into the liquid inlet pipe 2. At this time, the filter frame 4 cannot be moved. When it is necessary to replace the filter frame 4, the closing plate 5 is moved upward by the moving assembly 6, so that the closing block 52 is inserted into the liquid inlet pipe 2 and the fixing rod 53 is separated from the auxiliary hole 131 and the fixing hole 42. At this time, the filter frame 4 can be moved, and the liquid inlet pipe 2 is closed, thereby reducing the possibility that the acrylamide solution continuously discharged during the process of replacing the filter frame 4 is splashed or accumulated on the filter membrane 41, so that this part of the acrylamide solution follows the filter block to leave the impurity removal tank 1 and contacts the workers, thereby reducing the safety risk.

[0034] In order to facilitate use, with reference to Fig. 2 and Fig. 3, the moving assembly 6 comprises a moving rod 61 and a moving cylinder 62, the liquid inlet pipe 2 is fixedly provided with a ring-shaped mounting block 22 outside the impurity removal tank 1, the moving cylinder 62 is fixedly arranged on the bottom wall of the mounting block 22, the moving rod 61 is slidably arranged through the top wall of the impurity removal tank 1, the top end of the moving rod 61 is fixedly connected with the piston rod of the moving cylinder 62, and the bottom end of the moving rod 61 is fixedly connected with the sealing plate 5. By starting the moving cylinder 62, the sealing plate 5 can be driven to move up and down through the moving rod 61, so as to drive the sealing block 52 and the fixed rod 53 to move up and down, and the operation is simple and convenient.

[0035] In order to facilitate use, with reference to Fig. 1 and Fig. 3 , the assembling assembly 7 comprises an assembling plate 71 and an assembling bolt 72, the outer side wall of the impurity removal tank 1 is provided with an assembling groove 12 which is communicated with the replacement groove 11 around the replacement groove 11, the assembling plate 71 is adapted to be inserted into the assembling groove 12 and abuts against the side wall of the filter frame 4, and the assembling bolt 72 is used for assembling the assembling plate 71 on the impurity removal tank 1. The assembling plate 71 is inserted into the assembling groove 12 and abuts against the filter frame 4 inserted into the impurity removal tank 1, and the assembling plate 71 is fixed on the impurity removal tank 1 through the assembling bolt 72, so that the operation is simple and convenient.

[0036] When the filter membrane 41 needs to be replaced after long-time use, the valve 21 of the liquid inlet pipe 2 is closed, a period of time is waited until the acrylamide solution remaining on the filter membrane 41 is filtered, the moving cylinder 62 is started, the sealing plate 5 is driven to rise through the moving rod 61, the sealing block 52 is adapted to be inserted into the liquid inlet pipe 2 to seal the liquid inlet pipe 2, the fixed rod 53 is driven to rise to disengage from the auxiliary hole 131 and the fixing hole 42, the locking of the filter frame 4 is released, the assembling bolt 72 is disassembled, the assembling plate 71 is disassembled, the filter frame 4 can be taken out through the replacement groove 11, a new filter frame 4 is replaced, the operation is simple and convenient, the sealing block 52 is inserted into the liquid inlet pipe 2 to seal the liquid inlet pipe 2, and even if the valve 21 is opened by mistake, the acrylamide solution will not be discharged into the impurity removal tank 1, the possibility of the acrylamide solution splashing or accumulating on the filter membrane 41 to leak to the outside to contact the workers is reduced, and the safety risk is reduced.

[0037] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, and therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A device for removing impurities from an acrylamide solution, characterized by: The utility model provides a kind of impurity removal tank, including impurity removal tank (1), liquid inlet pipe (2) and liquid outlet pipe (3), and the liquid inlet pipe (2) and liquid outlet pipe (3) are arranged on impurity removal tank (1), and the impurity removal tank (1) is provided with replacement groove (11) with tank body inside, and the filter frame (4) that can pass through replacement groove (11) is slidably arranged in the impurity removal tank (1), and the filter frame (4) is provided with filter membrane (41), and the closing block (52) is slidably arranged in the impurity removal tank (1), and the closing block (52) can be inserted into liquid inlet pipe (2) to close liquid inlet pipe (2), and the closing block (52) is provided with fixed rod (53), and the filter frame (4) is provided with fixed hole (42), and the fixed rod (53) can be inserted into fixed hole (42), and the impurity removal tank (1) is provided with moving assembly (6), and the moving assembly (6) is used to drive closing block (52) to move, and the impurity removal tank (1) is provided with assembly assembly (7), and the assembly assembly (7) is used to assemble filter block on impurity removal tank (1).

2. The acrylamide solution impurity removal device of claim 1, wherein: The moving assembly (6) includes a moving rod (61) and a moving cylinder (62), the moving cylinder (62) is arranged on the impurity removal tank (1), and the moving rod (61) is arranged on the piston rod of the moving cylinder (62). The moving rod (61) is connected with the closing block (52).

3. The acrylamide solution impurity removal device of claim 2, wherein: The closing block (52) is provided with a closing plate (5), and the moving rod (61) and the fixed rod (53) are connected with the closing plate (5). The closing plate (5) is provided with an inclined surface (51).

4. The acrylamide solution impurity removal device of claim 2, wherein: The moving cylinder (62) is arranged outside the impurity removal tank (1), and the moving rod (61) passes through the impurity removal tank (1).

5. The acrylamide solution impurity removal device of claim 4, wherein: The liquid inlet pipe (2) is provided with a mounting block (22), and the moving cylinder (62) is arranged on the mounting block (22).

6. The acrylamide solution impurity removal device of claim 1, wherein: The assembly assembly (7) includes an assembly plate (71) and an assembly bolt (72). The outer wall of the impurity removal tank (1) is provided with an assembly groove (12) communicating with the replacement groove (11). The assembly plate (71) is inserted into the assembly groove (12) and abuts against the filter frame (4). The assembly bolt (72) is used to assemble the assembly plate (71) on the impurity removal tank (1).

7. The acrylamide solution impurity removal device of claim 1, wherein: The inner wall of the impurity removal tank (1) is provided with a mounting rod (13), and the mounting rod (13) abuts against the filter frame (4).

8. The acrylamide solution impurity removal device of claim 7, wherein: The mounting rod (13) is provided with an auxiliary hole (131), and the fixed rod (53) passes through the fixed hole (42) and is inserted into the auxiliary hole (131).

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