Corrosion resistance detection device for microporous membrane

Abstract

The utility model discloses a microporous membrane corrosion resistance detection device, belongs to the technical field of microporous membrane corrosion resistance detection, and aims to solve the problems that a mechanism for automatically taking out a PTFE (Polytetrafluoroethylene) microporous membrane is lacked, the contact probability between an operator and a strong acid and alkali solution is increased, the danger is increased, the PTFE microporous membrane is inconvenient to observe, and the PTFE microporous membrane is inconvenient to take out. Comprising a box body, a groove is formed in the middle of the upper surface of the box body, a sliding groove is formed in one side of the upper surface of the box body, a placing assembly is arranged on the box body, and a test box is movably installed in the groove. According to the microporous membrane corrosion resistance detection device, through the arrangement of the placement assembly, the function of automatically taking out a PTFE microporous membrane is achieved, manual taking out of an operator is not needed, the contact probability of the PTFE microporous membrane and a strong acid and alkali solution is reduced, danger is reduced, the position of the PTFE microporous membrane does not need to be observed, taking out is convenient, a placement frame can be integrally moved, and the practicability is high. The test box cannot be hindered to be taken out, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of microporous membrane corrosion resistance detection technology, specifically relates to microporous membrane corrosion resistance detection device. BACKGROUND

[0002] Polytetrafluoroethylene (PTFE) microporous membrane is a kind of film with micro-porous structure formed after being expanded and stretched with polytetrafluoroethylene as raw material.Its structural characteristics are a large number of small and interconnected pores, and the size of these pores is uniform, and through corrosion resistance detection, the integrity of the structure and the stability of the performance of the membrane when contacting specific chemicals can be ensured, and a detection device is needed when corrosion resistance detection is carried out.

[0003] In the prior art, when PTFE microporous membrane is subjected to corrosion resistance detection, the PTFE microporous membrane is placed in the container (immersion test), and the PTFE microporous membrane is taken out after the immersion is completed, but there is no mechanism for automatically taking out the PTFE microporous membrane, and the operator needs to take it out, on the one hand, when strong acid and alkali solution is operated, the contact probability with strong acid and alkali solution is increased, the risk is increased, on the other hand, normal PTFE microporous membrane is white, it is not convenient to observe in the acid and alkali solution, and it is not convenient to take out, therefore, a technical measure is proposed to solve the problems that in the prior art, there is no mechanism for automatically taking out the PTFE microporous membrane, the operator needs to take it out, the contact probability with strong acid and alkali solution is increased, the risk is increased, it is not convenient to observe the PTFE microporous membrane in the acid and alkali solution, and it is not convenient to take out. CONTENT OF THE UTILITY MODEL

[0004] (1) Technical problem to be solved

[0005] In view of the defects of the prior art, the purpose of the utility model is to provide a microporous membrane corrosion resistance detection device, which aims to solve the problems that in the prior art, there is no mechanism for automatically taking out the PTFE microporous membrane, the operator needs to take it out, the contact probability with strong acid and alkali solution is increased, the risk is increased, it is not convenient to observe the PTFE microporous membrane in the acid and alkali solution, and it is not convenient to take out.

[0006] (2) Technical scheme

[0007] In order to solve the above technical problems, the utility model provides such micro -pore membrane corrosion -resistant detection device, including the box, the recess is set up in the middle position of box upper surface, the chute is set up in one side of box upper surface, be equipped with the placement assembly on the box, the test box is movably installed in the recess, two groups of symmetric distribution handle are installed in the middle position of test box upper surface both ends, thanks to the setting of placement assembly, realize the function of automatic taking out PTFE microporous membrane, need not manual taking out of operating personnel, reduce the contact probability with strong acid alkali solution, reduce the risk, and need not observe the position of PTFE microporous membrane, convenient to take out, and the placement frame can move as a whole to thereby will not cause the hindrance of taking out test box, improve practicality.

[0008] Further, the box side is penetrated by a plurality of evenly distributed electric heating rods, and the electric heating rods are in the recess.

[0009] Further, the controller is installed on the upper end of the box side.

[0010] Further, a side plate is installed at the middle position of the side of the recess, and a water thermometer is penetrated through the middle position of the side plate.

[0011] Further, a slide plate is installed at the middle position of the side of the test box, the slide plate is semicircular, and a clamping groove matched with the slide plate is formed in the box.

[0012] Further, the placement assembly comprises a motor, the motor is fixedly installed above the box side, the motor is connected with a screw rod, the screw rod is rotatably connected with the box, the screw rod is threadedly connected with a sliding block, a vertical rod is installed at the middle position of the upper surface of the sliding block, an installation plate is installed at the upper end of the vertical rod, and a motor telescopic rod is penetrated through the installation plate.

[0013] Further, the motor telescopic rod is directly above the test box, and the sliding block and the chute are slidably matched.

[0014] Further, the lower end of the motor telescopic rod is connected with a frame, a horizontal plate is installed on the side of the lower part of the frame, the horizontal plate is connected with a placement frame, and a plurality of evenly distributed circular holes are formed in the lower part of the placement frame.

[0015] (3) beneficial effects

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model is convenient for heating the clean water and observing the water temperature through the setting of the electric heating rod and the water thermometer, so that the test temperature is conveniently controlled, the clean water in the recess is heated by starting the electric heating rod, and the temperature is observed by the water thermometer.

[0018] Through the setting of the placing assembly, the function of automatically taking out the PTFE microporous membrane is realized, manual taking out is not needed, the probability of contacting with strong acid and alkali solution is reduced, the danger is reduced, and the position of the PTFE microporous membrane does not need to be observed, the taking out is convenient, and the placing frame can be moved integrally, so that the taking out of the test box is not hindered, the practicability is improved, the controller starts the motor to drive the vertical rod, the mounting plate, the electric telescopic rod, the frame, the horizontal plate and the placing frame to move to the upper side of the groove, then the electric telescopic rod is started to drive the frame, the horizontal plate and the placing frame to move downward, and the PTFE microporous membrane enters the solution through the downward movement of the placing frame. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a structural schematic diagram of the present application;

[0021] Figure 2 It is Figure 1 It is an enlarged structural schematic diagram of A in the middle;

[0022] Figure 3 It is a structural schematic diagram of the test box;

[0023] Figure 4 It is a structural schematic diagram of the placing assembly.

[0024] The marks in the drawings are: 1, box body; 2, placing assembly; 3, groove; 4, test box; 5, sliding groove; 6, electric heating rod; 7, controller; 8, side plate; 9, water thermometer; 10, sliding plate; 11, handle; 201, motor; 202, screw rod; 203, sliding block; 204, vertical rod; 205, mounting plate; 206, electric telescopic rod; 207, frame; 208, horizontal plate; 209, placing frame; 210, round hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0026] The embodiment is a micro-porous membrane corrosion resistance detection device, a structural schematic diagram of which is shown in Figure 1 、 Figure 2 、 Figure 3 The device comprises a box body 1, a groove 3 is arranged in the middle of the upper surface of the box body 1, a sliding groove 5 is arranged on one side of the upper surface of the box body 1, a placing assembly 2 is arranged on the box body 1, a test box 4 is movably arranged in the groove 3, two groups of symmetrically distributed handles 11 are arranged at the middle of the upper surface of the test box 4, a plurality of evenly distributed electric heating rods 6 are arranged through the side surface of the box body 1, the electric heating rods 6 are arranged in the groove 3, a controller 7 is arranged at the upper end of the side surface of the box body 1, a side plate 8 is arranged at the middle of the side surface of the groove 3, a water thermometer 9 is arranged through the middle of the side plate 8, sliding plates 10 are arranged at the middle of the side surface of the test box 4, the sliding plates 10 are semicircular, a clamping groove is arranged in the box body 1 and matched with the sliding plates 10, when the PTFE micro-porous membrane corrosion resistance detection is actually performed, a piece of PTFE micro-porous membrane is taken out, then clean water is injected into the groove 3, the electric heating rods 6 are turned on to heat the clean water, the water temperature is observed by the water thermometer 9 (common test temperatures are 25℃ and 50℃, which are different according to the corrosion resistance requirements), then an acid or alkaline solution is injected into the test box 4 to perform the corrosion resistance test (the acid solution can be sulfuric acid and the alkaline solution can be sodium hydroxide), then the placing assembly 2 is started by the controller 7 to move the placing assembly 2 from one side of the box body 1 to the top of the groove 3 (the placing assembly 2 is in a test state in the middle) Figure 1 , then the PTFE micro-porous membrane is driven to enter the test box 4 (the test box 4 is made of glass or polytetrafluoroethylene), after the test time is reached, the PTFE micro-porous membrane is taken out by the placing assembly 2.

[0027] Referring to Figure 1 、 Figure 2 、 Figure 4As shown, the placing assembly 2 comprises a motor 201 fixedly installed above the side of the box body 1, the motor 201 is connected with a screw rod 202, the screw rod 202 is rotatably connected with the box body 1, the screw rod 202 is threadedly connected with a sliding block 203, a vertical rod 204 is installed on the middle position of the upper surface of the sliding block 203, an installation plate 205 is installed on the upper end of the vertical rod 204, an electric telescopic rod 206 penetrates through the installation plate 205, the electric telescopic rod 206 is directly above the test box 4, the sliding block 203 is slidably matched with the sliding groove 5, the lower end of the electric telescopic rod 206 is connected with a frame 207, a horizontal plate 208 is installed on the side of the lower part of the frame 207, the horizontal plate 208 is connected with a placing frame 209, a plurality of circular holes 210 are evenly arranged on the lower part of the placing frame 209, the controller 7 starts the motor 201, the motor 201 drives the screw rod 202 to rotate, the screw rod 202 drives the sliding block 203 to move to the middle position of the box body 1 along the sliding groove 5, the sliding block 203 drives the vertical rod 204, the installation plate 205, the electric telescopic rod 206, the frame 207, the horizontal plate 208 and the placing frame 209 to move to the position directly above the groove 3, then the electric telescopic rod 206 is started to drive the frame 207, the horizontal plate 208 and the placing frame 209 to move downward, the placing frame 209 moves downward so that the PTFE microporous membrane enters the solution.

[0028] Working principle: when actually detecting the corrosion resistance of the PTFE microporous membrane, a piece of PTFE microporous membrane is taken (the PTFE microporous membrane is matched with the placing frame 209, and since the PTFE microporous membrane has a certain thickness and weight, it will sink into the solution), then clean water is injected into the groove 3, the electric heating rod 6 is turned on to heat the clean water, the water temperature is observed through the water thermometer 9 (common test temperatures are 25℃ and 50℃, which are different according to the requirements of corrosion resistance), then an acid or alkaline solution is injected into the test box 4 for corrosion resistance test (the acid solution can be sulfuric acid, and the alkaline solution can be sodium hydroxide), then the placing assembly 2 is started through the controller 7, so that the placing assembly 2 moves from one side of the box body 1 to the position directly above the groove 3 (the placing assembly 2 is in a test state), Figure 1 After the test time is reached, the PTFE microporous membrane is taken out through the placing assembly 2, through the setting of the electric heating rod 6 and the water thermometer 9, the clean water is heated conveniently, and the water temperature is observed conveniently, so that the test temperature is controlled conveniently;

[0029] The specific working mode of the placing assembly 2 is that the controller 7 starts the motor 201, the motor 201 drives the screw rod 202 to rotate, the screw rod 202 drives the sliding block 203 to move to the middle position of the box body 1 along the sliding groove 5, the sliding block 203 drives the vertical rod 204, the mounting plate 205, the electric telescopic rod 206, the frame 207, the horizontal plate 208 and the placing frame 209 to move to the position directly above the groove 3, then the electric telescopic rod 206 is started to drive the frame 207, the horizontal plate 208 and the placing frame 209 to move downward, the placing frame 209 moves downward to make the PTFE microporous membrane enter the solution, through the arrangement of the placing assembly 2, the function of automatically taking out the PTFE microporous membrane is realized, manual taking out is not needed, the contact probability with the strong acid and alkali solution is reduced, the danger is reduced, the position of the PTFE microporous membrane does not need to be observed, the taking out is convenient, and the placing frame 209 can be moved integrally, so that the taking out of the test box 4 is not hindered, and the practicability is improved.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A device for corrosion resistance testing of microporous membranes, comprising a box (1), characterized in that, The recess (3) is arranged in the middle of the upper surface of the box (1), and the chute (5) is arranged on one side of the upper surface of the box (1), the placing assembly (2) is arranged on the box (1), the test box (4) is movably arranged in the recess (3), and two groups of symmetrically distributed handles (11) are arranged on the upper surface of the test box (4).

2. The microporous membrane corrosion resistance testing device of claim 1, wherein, The box (1) is provided with a plurality of evenly distributed electric heating rods (6) penetrating through the side surface, and the electric heating rods (6) are arranged in the recess (3).

3. The microporous membrane corrosion resistance testing device of claim 1, wherein, The controller (7) is arranged on the upper end of the side surface of the box (1).

4. The microporous membrane corrosion resistance testing device of claim 1, wherein, The side plate (8) is arranged on the middle of the side surface of the recess (3), and the water thermometer (9) penetrates through the middle of the side plate (8).

5. The microporous membrane corrosion resistance testing device of claim 1, wherein, The sliding plates (10) are arranged on the middle of the side surface of the test box (4), the sliding plates (10) are semicircular, and the box (1) is provided with a clamping groove matched with the sliding plates (10).

6. The microporous membrane corrosion resistance testing device of claim 1, wherein, The placing assembly (2) comprises a motor (201), the motor (201) is fixedly arranged above the side surface of the box (1), the motor (201) is connected with a screw rod (202), the screw rod (202) is rotatably connected with the box (1), the screw rod (202) is threadedly connected with a sliding block (203), the sliding block (203) is arranged on the middle of the upper surface and is provided with a vertical rod (204), the vertical rod (204) is arranged on the upper end of the vertical rod (204) and is provided with a mounting plate (205), and the mounting plate (205) is provided with an electric telescopic rod (206).

7. The microporous membrane corrosion resistance testing device of claim 6, wherein, The electric telescopic rod (206) is arranged above the test box (4), and the sliding block (203) is slidably matched with the chute (5).

8. The microporous membrane corrosion resistance testing device of claim 7, wherein, The electric telescopic rod (206) is connected with a frame (207), the frame (207) is arranged on the side of the lower part close to each other and is provided with a horizontal plate (208), the horizontal plate (208) is connected with a placing frame (209), and a plurality of evenly distributed circular holes (210) are arranged in the lower part of the placing frame (209).

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