Oxalic acid concentration device
By using support and protective devices in the oxalic acid concentration device, the problem of glass rod hitting the beaker is solved, the concentration efficiency and safety are improved, the solution is splashed out, and the stability of the device is enhanced.
Patent Information
- Application Number
- CN202420816078.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-19
AI Technical Summary
During the oxalic acid concentration process in the laboratory, the glass rod easily hits the inner wall of the beaker, causing rupture and affecting the concentration efficiency.
An oxalic acid concentration device is designed, using support devices and protective devices. The support device limits the rotation of the glass rod through the limit ring and the rotating plate. The protective device prevents the solution from splashing through the inclined surface and rubber ring, and avoids the impact of the glass rod and the splashing of the solution. .
It effectively avoids the glass rod hitting the inner wall of the beaker, improves the safety and efficiency of oxalic acid concentration, prevents the solution from splashing out, and enhances the stability of the device.
Smart Images
Figure CN222173087U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oxalic acid concentration, in particular to an oxalic acid concentration device. Background Art
[0002] The concentrator is a device used in the laboratory to concentrate oxalic acid. When using the concentrator, water is added to the inside of the first beaker, and then the second beaker is supported inside the first beaker. The inside of the first beaker is heated by an alcohol lamp, and then the water bath heats the oxalic acid solution inside the second beaker. During the heating process, the temperature marked on the thermometer is observed. When the water temperature is about to reach eighty degrees, the heating is stopped to avoid the decomposition of oxalic acid, and then the water in the oxalic acid solution is evaporated, thereby concentrating the oxalic acid solution well.
[0003] The inventors found in their daily work that the oxalic acid concentration device still has at least the following problems: when concentrating oxalic acid in the laboratory, in order to speed up the concentration efficiency, the experimenters will use a glass rod to stir the oxalic acid so that the inside of the oxalic acid can be evenly heated. However, in actual use, because the concentration time is relatively long, the experimenters may cause the glass rod to hit the inner wall of the beaker when stirring, which may cause the glass rod or the glass beaker to break, thus affecting the concentration of oxalic acid to a certain extent. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an oxalic acid concentration device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an oxalic acid concentration device, comprising a support frame, a first beaker is arranged on one side of the support frame, a second beaker is arranged on one side of the support frame, the second beaker is arranged inside the first beaker, a thermometer is arranged on one side of the support frame, the thermometer is arranged inside the first beaker, a glass rod is arranged inside the second beaker, a supporting device is arranged on one side of the support frame, a protective device is arranged on the surface of the glass rod, the supporting device comprises a supporting rod, the support rod is arranged on one side of the support frame, a limiting ring is arranged at one end of the support rod away from the support frame, the inner wall of the limiting ring is slidably connected to the glass rod, and the top of the glass rod is fixedly connected to a rotating plate.
[0006] The effect achieved by the above components is: when using the supporting device, the rotating plate rotates after manual control, thereby driving the glass rod to rotate inside the limiting ring, and then making the bottom of the glass rod rotate inside the second beaker, which can prevent the glass rod from hitting the inner wall of the second beaker to a certain extent.
[0007] Preferably, a round block is fixedly connected to the surface of the glass rod, and the size of the round block is larger than the inner wall of the limiting ring.
[0008] The effect achieved by the above components is: because the round block is larger than the inner wall of the limiting ring, the round block is well set on the top of the limiting ring, and the glass rod is well limited inside the limiting ring.
[0009] Preferably, a top sliding sleeve of the support frame is provided with a fixing ring, the fixing ring is fixedly connected to one side of the support rod, and a bolt is threadedly inserted through one side of the fixing ring.
[0010] The effect achieved by the above components is: manually controlling the fixing ring to slide on the surface of the support frame so that the glass rod can be inserted into the second beaker, and then manually turning the bolt so that the bolt is squeezed on one side of the support frame, thereby well fixing the fixing ring on the surface of the support frame.
[0011] Preferably, a connecting rod is evenly and fixedly connected to one side of the limiting ring, a circular ring is fixedly connected to the top of the connecting rod, the inner wall of the circular ring is slidably connected to the round block, a rubber ring is fixedly connected to the inner wall of the circular ring, and openings are evenly opened on the top of the rubber ring.
[0012] The effect achieved by the above components is: the round block is slid into the inside of the ring, because the top of the rubber ring is evenly opened with openings, so that the round block can be squeezed into the inside of the ring, and then the round block is well restricted on the top of the limiting ring.
[0013] Preferably, the protective device comprises a protective cover, the protective cover is slidably sleeved on the surface of the glass rod, and the bottom of the protective cover is provided with an inclined surface.
[0014] The effect achieved by the above components is: when using the protective device, the protective cover is manually controlled to slide on the surface of the glass rod, so that the protective cover is set on the top of the second beaker, and the water vapor generated by the evaporator can slide to the outside through the inclined surface to prevent water from entering the second beaker again, which can effectively prevent the solution from splashing out of the second beaker during stirring.
[0015] Preferably, a connecting ring is fixedly connected to the top of the protective cover, and the connecting ring is slidably sleeved on the surface of the glass rod. The inner wall of the connecting ring is fixedly connected to a rubber tube, and the rubber tube is arranged on the surface of the glass rod.
[0016] The effect achieved by the above components is that when the connecting ring slides on the surface of the glass rod, the rubber tube is well pressed on the surface of the glass rod, thus well increasing the friction between the protective cover and the glass rod.
[0017] Preferably, a fixing block is fixedly connected to the top of the connecting ring, a connecting belt is fixedly connected to one side of the fixing block, a fixing groove is opened on one side of the fixing block, and an inner wall of the fixing groove is slidably connected to the connecting belt.
[0018] The effect achieved by the above components is: manually wrap the connecting belt around the glass rod, and then insert the connecting belt into the interior of the fixing groove, and then well set the connecting belt on the surface of the glass rod.
[0019] Preferably, a rubber strip is fixedly connected to one side of the connecting belt, and a rubber block is evenly fixedly connected to one side of the connecting belt away from the rubber strip.
[0020] The above components have the following effects: when the connecting belt goes around the glass rod, the rubber strip is squeezed on the surface of the glass rod, and after the connecting belt passes through the fixing groove, the rubber block is squeezed out of the fixing groove, thereby well restricting the connecting belt inside the fixing groove through the rubber block.
[0021] In the utility model, by setting a supporting device, when the supporting device is used, the rotating plate rotates after manual control, thereby driving the glass rod to rotate inside the limiting ring, and then making the bottom of the glass rod rotate inside the second beaker, so that the glass rod can be prevented from hitting the inner wall of the second beaker to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 The utility model provides a three-dimensional structural schematic diagram of an oxalic acid concentration device;
[0023] Figure 2 This is a three-dimensional structural schematic diagram of a novel rotating plate proposed in the utility model;
[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0025] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a novel connecting belt.
[0026] Legend: 1. Support frame; 2. First beaker; 3. Second beaker; 4. Thermometer; 5. Glass rod; 6. Support device; 601. Fixing ring; 602. Bolt; 603. Support rod; 604. Limiting ring; 605. Connecting rod; 606. Circular ring; 607. Rubber ring; 608. Opening; 609. Round block; 610. Rotating plate; 7. Protective device; 701. Protective cover; 702. Inclined surface; 703. Connecting ring; 704. Rubber tube; 705. Fixing block; 706. Fixing groove; 707. Connecting belt; 708. Rubber strip; 709. Rubber block. DETAILED DESCRIPTION
[0027] Embodiment 1, as Figure 1-4 As shown, an oxalic acid concentration device is provided, a first beaker 2 is provided on one side of a support frame 1, a second beaker 3 is provided on one side of the support frame 1, the second beaker 3 is provided inside the first beaker 2, a thermometer 4 is provided on one side of the support frame 1, the thermometer 4 is provided inside the first beaker 2, a glass rod 5 is provided inside the second beaker 3, a supporting device 6 is provided on one side of the support frame 1, and a protective device 7 is provided on the surface of the glass rod 5. When using the concentration device, water is added to the inside of the first beaker 2, and then the second beaker 3 is supported inside the first beaker 2, the inside of the first beaker 2 is heated by an alcohol lamp, and then the water bath heats the oxalic acid solution inside the second beaker 3, and the temperature marked on the thermometer 4 is observed during the heating process. When the water temperature is about to reach eighty degrees, the heating is stopped to avoid the decomposition of oxalic acid, so that the water in the oxalic acid solution is evaporated, thereby concentrating the oxalic acid solution well.
[0028] Reference Figure 2 and Figure 3, the supporting device 6 includes a supporting rod 603, the supporting rod 603 is arranged on one side of the supporting frame 1, and a limiting ring 604 is arranged at one end of the supporting rod 603 away from the supporting frame 1, the inner wall of the limiting ring 604 is slidably connected to the glass rod 5, and the top of the glass rod 5 is fixedly connected with a rotating plate 610. When the supporting device 6 is used, the rotating plate 610 rotates after manual control, thereby driving the glass rod 5 to rotate inside the limiting ring 604, and then the bottom of the glass rod 5 rotates inside the second beaker 3, which can prevent the glass rod 5 from hitting the inner wall of the second beaker 3 to a certain extent. A round block 609 is fixedly connected to the surface of the glass rod 5, and the size of the round block 609 is larger than the inner wall of the limiting ring 604. Because the round block 609 is larger than the inner wall of the limiting ring 604, the round block 609 is well arranged on the top of the limiting ring 604, and then the glass rod 5 is well limited inside the limiting ring 604. The top sliding sleeve of the supporting frame 1 is provided with a fixing ring 601, which is fixed The ring 601 is fixedly connected to one side of the support rod 603. A bolt 602 is inserted through a thread on one side of the fixing ring 601. The fixing ring 601 is manually controlled to slide on the surface of the support frame 1 so that the glass rod 5 can be inserted into the second beaker 3. Then the bolt 602 is manually rotated so that the bolt 602 is squeezed on one side of the support frame 1, thereby well fixing the fixing ring 601 on the surface of the support frame 1. A connecting rod 605 is evenly fixedly connected to one side of the limiting ring 604. The connecting rod 605 is evenly fixed to the other side of the limiting ring 604. A circular ring 606 is fixedly connected to the top of 05, and the inner wall of the circular ring 606 is slidably connected to the round block 609. A rubber ring 607 is fixedly connected to the inner wall of the circular ring 606, and openings 608 are evenly provided on the top of the rubber ring 607. The round block 609 is slid into the inside of the circular ring 606 because the top of the rubber ring 607 is evenly provided with openings 608, so that the round block 609 can be squeezed into the inside of the circular ring 606, thereby well restricting the round block 609 to the top of the limiting ring 604.
[0029] Reference Figure 4The protective device 7 includes a protective cover 701, which is slidably mounted on the surface of the glass rod 5. The bottom of the protective cover 701 is provided with an inclined surface 702. When the protective device 7 is used, the protective cover 701 is manually controlled to slide on the surface of the glass rod 5, so that the protective cover 701 is arranged on the top of the second beaker 3. The evaporated water vapor can slide to the outside through the inclined surface 702 to prevent the water from entering the second beaker 3 again. In this way, the solution is prevented from splashing out of the second beaker 3 during stirring. The top of the protective cover 701 is fixedly connected with a connecting ring 703, which is slidably mounted on the surface of the glass rod 5. The inner wall of the connecting ring 703 is fixedly connected with a rubber tube 704, which is arranged on the surface of the glass rod 5. When the connecting ring 703 slides on the surface of the glass rod 5, the rubber tube 704 is well squeezed on the surface of the glass rod 5, which well increases the protective cover 701 and the glass rod 5. The friction between the glass rods 5, the top of the connecting ring 703 is fixedly connected with a fixing block 705, one side of the fixing block 705 is fixedly connected with a connecting belt 707, one side of the fixing block 705 is provided with a fixing groove 706, the inner wall of the fixing groove 706 and the connecting belt 707 are slidably connected, the connecting belt 707 is manually passed around the glass rod 5, and then the connecting belt 707 is inserted into the inside of the fixing groove 706, and then the connecting belt 707 is well set on the surface of the glass rod 5, one side of the connecting belt 707 is fixedly connected with a rubber strip 708, and the side of the connecting belt 707 away from the rubber strip 708 is evenly fixedly connected with a rubber block 709, when the connecting belt 707 passes around the glass rod 5, the rubber strip 708 is squeezed on the surface of the glass rod 5, and after the connecting belt 707 passes through the fixing groove 706, the rubber block 709 is squeezed out of the fixing groove 706, and then the connecting belt 707 is well restricted inside the fixing groove 706 through the rubber block 709.
[0030] Working principle: when using the concentration device, add water to the inside of the first beaker 2, and then support the second beaker 3 inside the first beaker 2, heat the inside of the first beaker 2 through an alcohol lamp, and then use the water bath to heat the oxalic acid solution inside the second beaker 3. During the heating process, observe the temperature marked on the thermometer 4. When the water temperature is about to reach 80 degrees, stop heating to avoid oxalic acid decomposition, and then evaporate the water in the oxalic acid solution, so that the oxalic acid solution is well concentrated. When using the supporting device 6, manually control the fixing ring 601 to slide on the surface of the supporting frame 1, so that the glass rod 5 can be inserted into the inside of the second beaker 3, and then manually rotate the bolt 602 so that the bolt 602 is squeezed on one side of the supporting frame 1, so that the fixing ring 601 is well fixed on the surface of the supporting frame 1, and the round block 609 is slid to the inside of the circular ring 606. Because the top of the rubber ring 607 is evenly opened with openings 608, the round block 609 can be squeezed into the inside of the circular ring 606, so that the round block 609 can be well limited. The protective cover 701 is manually controlled to slide on the surface of the glass rod 5, so that the protective cover 701 is arranged on the top of the second beaker 3, and the connecting belt 707 is manually passed around the glass rod 5, and the connecting belt 707 is inserted into the interior of the fixing groove 706. After the connecting belt 707 passes through the fixing groove 706, the rubber block 709 is squeezed out of the fixing groove 706, and the connecting belt 707 is well restricted in the interior of the fixing groove 706 by the rubber block 709, and the connecting belt 707 is well arranged on the surface of the glass rod 5. The evaporated water vapor can slide to the outside through the inclined surface 702, so that the water is prevented from entering the interior of the second beaker 3 again, so that the solution is well prevented from splashing out of the second beaker 3 during stirring.
Claims
1. An oxalic acid concentration device, comprising a support frame (1), characterized in that: A first beaker (2) is arranged on one side of the support frame (1); a second beaker (3) is arranged on one side of the support frame (1); the second beaker (3) is arranged inside the first beaker (2); a thermometer (4) is arranged on one side of the support frame (1); the thermometer (4) is arranged inside the first beaker (2); a glass rod (5) is arranged inside the second beaker (3); a support device (6) is arranged on one side of the support frame (1); a protective device (7) is arranged on the surface of the glass rod (5); the support device (6) comprises a support rod (603); the support rod (603) is arranged on one side of the support frame (1); a limiting ring (604) is arranged at one end of the support rod (603) away from the support frame (1); the inner wall of the limiting ring (604) is slidably connected to the glass rod (5); and the top of the glass rod (5) is fixedly connected to a rotating plate (610).
2. The oxalic acid concentration device according to claim 1, characterized in that: A round block (609) is fixedly connected to the surface of the glass rod (5), and the size of the round block (609) is larger than the inner wall of the limiting ring (604).
3. The oxalic acid concentration device according to claim 1, characterized in that: The top sliding sleeve of the support frame (1) is provided with a fixing ring (601), the fixing ring (601) is fixedly connected to one side of the support rod (603), and a bolt (602) is threadedly inserted through one side of the fixing ring (601).
4. The oxalic acid concentration device according to claim 1, characterized in that: A connecting rod (605) is evenly and fixedly connected to one side of the limiting ring (604), a circular ring (606) is fixedly connected to the top of the connecting rod (605), an inner wall of the circular ring (606) is slidably connected to a round block (609), a rubber ring (607) is fixedly connected to the inner wall of the circular ring (606), and an opening (608) is evenly opened on the top of the rubber ring (607).
5. The oxalic acid concentration device according to claim 1, characterized in that: The protective device (7) comprises a protective cover (701), the protective cover (701) is slidably mounted on the surface of the glass rod (5), and a slope (702) is provided at the bottom of the protective cover (701).
6. The oxalic acid concentration device according to claim 5, characterized in that: The top of the protective cover (701) is fixedly connected to a connecting ring (703), and the connecting ring (703) is slidably sleeved on the surface of the glass rod (5). The inner wall of the connecting ring (703) is fixedly connected to a rubber tube (704), and the rubber tube (704) is arranged on the surface of the glass rod (5).
7. The oxalic acid concentration device according to claim 6, characterized in that: A fixing block (705) is fixedly connected to the top of the connecting ring (703), a connecting belt (707) is fixedly connected to one side of the fixing block (705), a fixing groove (706) is provided on one side of the fixing block (705), and an inner wall of the fixing groove (706) is slidably connected to the connecting belt (707).
8. The oxalic acid concentration device according to claim 7, characterized in that: A rubber strip (708) is fixedly connected to one side of the connection belt (707), and a rubber block (709) is evenly fixedly connected to one side of the connection belt (707) away from the rubber strip (708).