A waste liquid collection device for intergranular corrosion test

Abstract

The utility model discloses a waste liquid collection device for intergranular corrosion test, and belongs to the technical field of laboratory hot acid collection. The utility model shortens the distance between the waste liquid recovery area and the laboratory table by arranging the recovery container under the laboratory table, thereby avoiding the risk of dumping during the waste liquid transfer process; at the same time, by arranging a funnel on the recovery solution, the risk of waste liquid spilling is avoided, and by arranging a hollow glass tube in the mouth of the funnel for drainage, the problem of waste liquid splashing and damaging the laboratory table when dumping is avoided. By arranging a lightweight labeled capillary and a float, the experimenter can observe the situation of the solution in the recovery container in real time without bending over or opening the cabinet door. Thereby, the problem that the existing waste liquid device is not convenient for observing the current recovery capacity of the recovery container is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of laboratory hot acid collection, and in particular relates to a waste liquid collection device for an intergranular corrosion test. Background Art

[0002] After the intergranular corrosion test, the acid liquid in the conical flask used in the experiment is still in a boiling state, and it takes a long time to cool down. In addition, a large amount of waste liquid is generated in each experiment. When the waste liquid is dumped, the acid liquid is usually in a high temperature state, and acid gas is more easily emitted. During the transportation process, the acid gas will diffuse rapidly and there is a risk of spilling, affecting the laboratory environment. Long-term exposure to an environment with high acid gas concentration will endanger the operator's health.

[0003] Because when the corrosive acidic solution is poured, splashing may damage the laboratory table. In order to avoid damage to the laboratory table, the corrosive waste liquid is generally recycled in a fixed waste liquid recovery area. The laboratory table is a certain distance away from the waste liquid recovery area. Since there is a risk of spilling during the waste liquid transfer process, the risk of waste liquid dumping is further increased. For this reason, a recovery container is set under the laboratory table to facilitate the experimenter to pour the solution. However, for safety reasons, the existing recovery container is generally set in a cabinet under the laboratory table. If you need to know the current recovery status of the recovery container, you need to open the cabinet door to observe the recovery container. In addition, the recovery container of the general corrosive solution has poor light transmittance, which is not convenient to observe the solution status in the recovery container.

[0004] In summary, the existing waste liquid recovery device is not convenient for observing the recoverable capacity of the recovery container. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a waste liquid collection device for intergranular corrosion test in view of the deficiencies in the above-mentioned prior art, which has novel and reasonable design, simple structure, strong safety and is easy to promote and use.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A waste liquid collection device for an intergranular corrosion test comprises a recovery container and a funnel with an opening upward, wherein the mouth of the funnel is cylindrical and penetrates through a test bench to penetrate into the recovery container below the test bench; a hollow glass tube for drainage is fixedly connected inside the mouth and penetrates through the mouth to penetrate into the recovery container, wherein the outer diameter of the hollow glass tube is smaller than the inner diameter of the mouth; a lightweight capillary tube with a mark is arranged inside the hollow glass tube, a floating ball is connected to one end of the lightweight capillary tube close to the recovery container, and an indicating mark line for indicating that the liquid in the recovery container exceeds a set capacity is arranged at the upper end of the lightweight capillary tube with a mark; and the length difference between the lightweight capillary tube with a mark and the hollow glass tube is greater than the solution height corresponding to the set capacity.

[0008] Furthermore, the nozzle is fixedly connected to the hollow glass tube by a connecting piece; the connecting piece includes a cylindrical ring, two fixing bolts, and a fixing ring arranged inside the cylindrical ring, and the two fixing bolts pass symmetrically from the outside of the cylindrical ring and are fixed to the outside of the fixing ring; the fixing ring is sleeved on the hollow glass tube to limit the position of the hollow glass tube; the upper part of the cylindrical ring is sleeved and connected to the lower end part of the nozzle.

[0009] Furthermore, the upper edge of the funnel is detachably connected with a cylindrical extension portion, the edge of the extension portion is provided with a leakage nozzle, and a filter plate is arranged between the leakage nozzle and the extension portion.

[0010] Furthermore, it also includes a connecting rod, a slide rail and a slider. The slide rails are symmetrically arranged on the experimental table on both sides of the funnel. One end of the connecting rod is hinged to the slider, and the other end is hinged to the upper end of the funnel. The funnel can be raised and lowered by sliding the slider on the slide rail towards and away from the funnel.

[0011] Furthermore, a condenser tube is wound around the outside of the mouth.

[0012] Furthermore, the lower end of the mouth is sleeved with an annular sealing cover for sealing the liquid inlet of the recovery container.

[0013] Furthermore, magnetic structures are provided at corresponding positions of the indicator lines of the hollow glass tube and the lightweight labeled capillary tube, and the two magnetic structures are used in cooperation to fix the lightweight labeled capillary tube on the hollow glass tube.

[0014] Furthermore, the upper end of the hollow glass tube is coated with protective glue.

[0015] Furthermore, an air extraction port for absorbing acid gas is provided above the funnel, and the air extraction port is connected to the main gas collecting port of the laboratory.

[0016] Furthermore, it also includes a movable support plate for supporting the recovery container, and a pulley is arranged at the bottom of the movable support plate.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The utility model shortens the distance between the waste liquid recovery area and the experimental table by arranging the recovery container under the experimental table, thereby avoiding the risk of dumping during the waste liquid transfer process; at the same time, by arranging a funnel on the recovery solution, the risk of waste liquid spilling is avoided, and by arranging a hollow glass tube in the mouth of the funnel for drainage, the problem of waste liquid splashing and damaging the experimental table when dumping is avoided. By arranging a lightweight labeled capillary tube and a floating ball, the experimenter can clearly observe the situation of the solution in the recovery container in real time without bending over or opening the cabinet door. Thereby, the problem that the existing waste liquid device is not convenient for observing the current recovery capacity of the recovery container is solved.

[0019] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of a waste liquid collection device for intergranular corrosion test of the utility model;

[0021] Figure 2 for Figure 1 A magnified view of point A;

[0022] Figure 3 for Figure 1 Enlarged view of point B;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the connecting piece connecting the nozzle and the hollow glass tube of the embodiment of the waste liquid collecting device for intergranular corrosion test of the utility model;

[0024] Description of reference numerals:

[0025] 1. Laboratory table; 2. Recovery container; 3. Nozzle; 4. Hollow glass tube;

[0026] 5. Lightweight capillary tube with label; 6. Mobile support plate; 7. Cylinder ring; 8. Fixing bolt;

[0027] 9. Fixing ring; 10. Extension part; 11. Drain nozzle; 12. Filter plate; 13. Condenser tube;

[0028] 14. Magnetic suction structure; 15. Air extraction port; 16. Laboratory total air collection port; 17. Annular sealing cover;

[0029] 18. Connecting rod; 19. Slide rail; 20. Slider. DETAILED DESCRIPTION

[0030] Example of waste liquid collection device for intergranular corrosion test:

[0031] like Figure 1-Figure 3As shown, the waste liquid collection device for the intergranular corrosion test includes a recovery container 2 and a funnel with an opening facing upward. The mouth 3 of the funnel is cylindrical. The mouth 3 passes through the experimental table 1 and goes deep into the recovery container 2 below the experimental table 1, which is convenient for the experimenter to dump the waste liquid. A hollow glass tube 4 for drainage is fixedly connected to the mouth 3. The hollow glass tube 4 passes through the mouth 3 and goes deep into the recovery container 2. Some copper particles in the solution flow out with the pouring of the solution. These leaked copper particles are blocked by the filter plate 12. The extension part 10 is disassembled, and the copper particles between the filter plate 13 and the filter 11 are washed and recovered. The outer diameter of the hollow glass tube 4 is smaller than the inner diameter of the mouth 3. A light-weight labeled capillary tube 5 is arranged in the hollow glass tube 4. A floating ball is connected to one end of the light-weight labeled capillary tube 5 close to the recovery container 2. An indicating mark is arranged on the upper end of the light-weight labeled capillary tube 5 to indicate that the liquid in the recovery container 2 exceeds the set capacity. By arranging the light-weight labeled capillary tube 5 inside the hollow glass tube 4, the impact force of the waste liquid pouring downward can be prevented from affecting the upward movement of the light-weight labeled capillary tube 5, and the light-weight labeled capillary tube 5 can be prevented from shaking greatly when two forces impact. By arranging the light-weight labeled capillary tube 5 with a knowledge mark, the experimenter can observe in time whether the solution in the recovery container 2 has reached the set capacity, avoiding the experimenter bending over to observe. Because the end of the light-weight labeled capillary tube 5 is also connected to a floating ball, in order to ensure that the light-weight labeled capillary tube 5 will not be stuck by the hollow glass tube 4 when it moves upward due to the buoyancy of the solution, the length difference between the light-weight labeled capillary tube 5 and the hollow glass tube 4 is greater than the solution height corresponding to the set capacity.

[0032] In order to ensure that the hollow glass tube 4 is fixed relative to the funnel mouth 3, the mouth 3 and the hollow glass tube 4 are fixedly connected by a connecting piece. Figure 4 The connecting piece comprises a cylindrical ring 7, two fixing bolts 8, and a fixing ring 9 arranged inside the cylindrical ring 7. The two fixing bolts 8 pass symmetrically from the outside of the cylindrical ring 7 and are fixed against the outside of the fixing ring 9. The fixing ring 9 is sleeved on the hollow glass tube 4 to limit the position of the hollow glass tube 4. The upper part of the cylindrical ring 7 is sleeved and connected with the lower end of the mouth 3. That is, the position of the hollow glass tube 4 is fixed by the fixing ring 9, the cylindrical ring 7 is fixed with the mouth 3 of the funnel, and then the fixing ring 9 is connected with the cylindrical ring 7 by the two fixing bolts 8, so as to achieve the effect of fixing the mouth 3 with the hollow glass tube 4 through the connecting piece.

[0033] In order to facilitate the dumping of waste liquid, the upper edge of the funnel is detachably connected with a cylindrical extension portion 10, and a nozzle 11 is provided at the edge of the extension portion 10, and a filter plate 12 is provided between the upper nozzle 11 and the extension portion 10. The nozzle 11, the extension portion 10 and the filter plate 12 can be integrally formed. When the experimenter pours the solution, the nozzle 11 provides support for the conical flask, etc., and the filter plate 12 can filter out the solids in the solution. The purpose of the detachable connection is to facilitate the collection of the solids filtered out by the filter plate 12, that is, to remove the extension portion and pour out the solids in the connected filter nozzle 11. Figure 2 As shown, in order to increase the area of ​​the waste liquid collection port, the filter plate 12 is obliquely arranged on the extension portion 10 .

[0034] In order to prevent the nozzle 3 and the hollow glass tube 4 which penetrate into the funnel from blocking the direct horizontal extraction of the recovery container 2, the waste liquid collection device also includes a connecting rod 18, a slide rail 19 and a slider 20. The slide rail 19 is symmetrically arranged on the experimental table 1 on both sides of the funnel. One end of the connecting rod 18 is hinged with the slider 20, and the other end is hinged with the upper end of the funnel. The funnel is raised and lowered by sliding the slider 20 close to and away from the funnel on the slide rail 19. That is, the movement of the slider 20 close to the funnel will drive the other end of the connecting rod 18 to move upward, and then drive the funnel to move upward, so as to lift the funnel. Similarly, the movement of the slider 20 away from the funnel will drive the other end of the connecting rod 18 to move downward, and then drive the funnel to move downward, so as to lower the funnel. When the recovery container 2 needs to be extracted, the funnel is controlled to rise; when the recovery container 2 needs to be replaced, the funnel is controlled to descend, so that the nozzle 3 penetrates into the recovery container 2.

[0035] In order to quickly reduce the temperature of the waste liquid, a condenser tube 13 is wound around the outside of the funnel mouth 3 .

[0036] In order to reduce the leakage of acid gas, the lower end of the mouth 3 is sleeved with an annular sealing cover 17 for sealing the liquid inlet of the recovery container 2 to prevent the acid gas from escaping from the liquid inlet of the recovery container 2.

[0037] The hollow glass tube 4 and the light-weight labeled capillary tube 5 are both provided with magnetic structures 14 at the corresponding positions of the indicator lines. The two magnetic structures 14 are used to fix the light-weight labeled capillary tube 5 to the hollow glass tube 4. That is, when the liquid in the recovery container 2 reaches the set volume, the light-weight labeled capillary tube 5 will be fixed to the hollow glass tube 4 by the magnetic structure 14, so that when the recovery container 2 is drawn out, the light-weight labeled capillary tube 5 will not fall to the ground. When the recovery container 2 is returned to its original position, the magnetic structure 14 is controlled to be loosened so that the light-weight labeled capillary tube 5 enters the recovery container 2.

[0038] For the convenience of observation, the upper end of the hollow glass tube 4 is coated with protective glue, which can be AB glue or 502 glue; the protective glue prevents acid gas from affecting the perspective effect of the hollow glass tube 4.

[0039] In order to reduce the impact of acid gas in the laboratory on the experimenters, a gas extraction port 15 for absorbing acid gas is also provided above the funnel, and the gas extraction port 15 is connected to the laboratory main gas collection port 16. The acid gas is quickly collected through this structure to prevent the acid gas from spreading in large quantities in the air.

[0040] In order to prevent the recovery container 2 from leaking or spilling liquid, a waste liquid tray for preventing leakage is provided at the bottom of the recovery container 2. The waste liquid tray is not shown in this embodiment. In order to facilitate the movement of the recovery container 2, a mobile support plate 6 for supporting the recovery container 2 is also included, and a pulley is provided at the bottom of the mobile support plate 6.

[0041] When the utility model is used, the experimenter pours the high-temperature acidic corrosive solution from the upper opening of the funnel, and some copper particles in the solution flow out with the pouring of the solution. These leaked copper particles are blocked by the filter plate 12, and the extension part 10 is removed, and the copper particles between the filter plate 13 and the filter 11 are rinsed and recovered; the solution flows into the recovery container 2 through the drainage of the hollow glass tube 4, and the liquid level in the recovery container 2 rises and the float floats up, driving the lightweight labeled capillary 5 to move upward. When the solution in the recovery container 2 reaches the set capacity, the indicator line of the lightweight labeled capillary 5 leaks out from the top of the funnel, and under the action of the magnetic structure 14, the lightweight labeled capillary 5 is fixed to the hollow glass tube 4, and the recovery container 2 is driven away from the bottom of the experimental table 1 by the moving support plate 6. The empty recovery container 2 is placed under the experimental table 1 by the moving support plate 6, and the magnetic structure 14 is relaxed to allow the lightweight labeled capillary 5 to enter the new recovery container 2. In order to facilitate the display of the structure of the device, Figure 1 The cabinet doors at the corresponding positions are not drawn.

[0042] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A waste liquid collection device for intergranular corrosion test, characterized in that: It comprises a recovery container (2) and a funnel with an opening facing upward, wherein the mouth (3) of the funnel is cylindrical and the mouth (3) passes through the experimental table (1) and penetrates into the interior of the recovery container (2) below the experimental table (1); A hollow glass tube (4) for drainage is fixedly connected inside the mouth (3), the hollow glass tube (4) passes through the mouth (3) and extends deep into the recovery container (2), and the outer diameter of the hollow glass tube (4) is smaller than the inner diameter of the mouth (3); A light-weight capillary tube (5) with a mark is arranged in the hollow glass tube (4); one end of the light-weight capillary tube (5) close to the recovery container (2) is connected to a float; an indicator line for indicating that the liquid in the recovery container (2) exceeds a set capacity is arranged at the upper end of the light-weight capillary tube (5); and the length difference between the light-weight capillary tube (5) with a mark and the hollow glass tube (4) is greater than the height of the solution corresponding to the set capacity.

2. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: The nozzle (3) is fixedly connected to the hollow glass tube (4) via a connecting piece; The connecting member comprises a cylindrical ring (7), two fixing bolts (8), and a fixing ring (9) arranged inside the cylindrical ring (7); the two fixing bolts (8) symmetrically pass through the outside of the cylindrical ring (7) and are fixed to the outside of the fixing ring (9); the fixing ring (9) is sleeved on the hollow glass tube (4) to limit the position of the hollow glass tube (4); the upper part of the cylindrical ring (7) is sleeved and connected with the lower end of the nozzle (3).

3. A waste liquid collection device for intergranular corrosion test according to claim 1, characterized in that: A cylindrical extension part (10) is detachably connected to the upper edge of the funnel, a drain nozzle (11) is provided at the edge of the extension part (10), and a filter plate (12) is provided between the drain nozzle (11) and the extension part (10).

4. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: It also includes a connecting rod (18), a slide rail (19) and a slider (20), wherein the slide rail (19) is symmetrically arranged on the experimental table (1) on both sides of the funnel, one end of the connecting rod (18) is hinged to the slider (20), and the other end is hinged to the upper end of the funnel; The funnel is raised and lowered by sliding the slider (20) on the slide rail (19) towards and away from the funnel.

5. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: A condensation tube (13) is wound around the outside of the mouth (3).

6. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: The lower end of the mouth (3) is sleeved with an annular sealing cover (17) for sealing the liquid inlet of the recovery container (2).

7. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: Magnetic structures (14) are provided at corresponding locations of the indicating marking lines of the hollow glass tube (4) and the light-weight labeled thin tube (5), and the two magnetic structures (14) are used in combination to fix the light-weight labeled thin tube (5) on the hollow glass tube (4).

8. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: The upper end of the hollow glass tube (4) is coated with protective glue.

9. A waste liquid collection device for intergranular corrosion testing according to claim 1, characterized in that: A gas extraction port (15) for absorbing acid gas is also provided above the funnel, and the gas extraction port (15) is connected to a total gas collection port (16) of the laboratory.

10. A waste liquid collection device for intergranular corrosion testing according to any one of claims 1 to 9, characterized in that: It also comprises a movable support plate (6) for supporting the recovery container (2), and a pulley is arranged at the bottom of the movable support plate (6).

Images