Low-power acid pickling experimental device for laboratory

Abstract

The utility model relates to a low-power acid pickling experimental device for a laboratory, which belongs to the field of acid pickling and comprises an experimental box, an acid pickling tank is arranged in the experimental box, acid liquor is placed in the acid pickling tank, a heating rod is arranged in the experimental box, a positioning block is arranged at the bottom of the acid pickling tank, a positioning groove is formed in the positioning block, the heating rod is embedded in the positioning groove, and a thermometer is arranged on the experimental box. An operator can judge the temperature rise condition of the acid liquor according to the thermometer, the possibility of deviation during monitoring is reduced, and the heating time of the heating rod is controlled.

Description

Technical Field

[0001] The present application relates to the field of pickling, and in particular to a low-magnification pickling experimental device for laboratory use. Background Art

[0002] Pickling experiment usually refers to a process method used to remove dirt, rust, oxides, grease and other impurities from the metal surface. This process is also called pickling descaling, pickling derusting or acid immersion. In conventional experimental equipment, manual real-time monitoring is required near the experimental equipment to observe the temperature rise of the acid solution and put the sample in time for pickling experiment.

[0003] The above-mentioned related technologies have the following defects: deviations are prone to occur during manual monitoring, and the time required for the acid solution to heat up is not accurately controlled, resulting in reduced accuracy of the experimental results. Utility Model Content

[0004] In order to improve the problem of deviation that may occur in manual monitoring of acid solution temperature rise, the present application provides a low-magnification pickling experimental device for laboratory use.

[0005] The present application provides a laboratory low-magnification pickling experimental device that adopts the following technical solution:

[0006] A low-magnification pickling experimental device for laboratory use comprises an experimental box, wherein a pickling tank is provided in the experimental box, acid solution is placed in the pickling tank, a heating rod is provided in the experimental box, a positioning block is provided at the bottom of the pickling tank, a positioning groove is provided on the positioning block, the positioning groove is for the heating rod to be embedded, and a thermometer is provided on the experimental box.

[0007] By adopting the above technical solution, the operator can install the heating rod in the pickling tank, and the heating rod is embedded in the positioning groove, and the positioning groove can limit the heating rod; when the heating rod heats the acid solution, the operator can judge the temperature rise of the acid solution according to the thermometer, reduce the possibility of deviation during monitoring, control the heating time of the heating rod, and improve the accuracy of the experimental results.

[0008] Preferably, it also includes an acid liquid box, which is used to store acid liquid. The acid liquid box is located below the experimental box. The experimental box is provided with an acid return pipe, one end of the acid return pipe extends into the pickling tank, and the other end extends into the acid liquid box. The acid return pipe is provided with a solenoid valve.

[0009] By adopting the above technical solution, when there is no need to conduct experiments, the operator can inject the acid in the pickling tank into the acid tank through the solenoid valve and the acid return pipe. The acid tank can store the acid and reduce the possibility of waste of acid.

[0010] Preferably, a support platform is provided on one side of the acid liquid tank, a first delivery pump and a second delivery pump are installed on the support platform, a liquid inlet pipe is installed on the tank wall of the pickling tank, a first branch pipe and a second branch pipe are connected to the liquid inlet pipe, the first branch pipe is connected to the first delivery pump, the second branch pipe is connected to the second delivery pump, a first liquid outlet pipe and a second liquid outlet pipe are provided on the acid liquid tank, the first liquid outlet pipe is connected to the first delivery pump, and the second liquid outlet pipe is connected to the second delivery pump.

[0011] By adopting the above technical solution, when it is necessary to inject the acid in the acid liquid tank into the pickling tank, the operator can drive the first delivery pump and the second delivery pump. The first delivery pump can suck the acid in the acid liquid tank into the first branch pipe through the first liquid outlet pipe, and flow into the pickling tank through the liquid inlet pipe; the second delivery pump can suck the acid in the acid liquid tank into the second branch pipe through the second liquid outlet pipe, and flow into the pickling tank through the liquid inlet pipe, which is convenient for acid liquid experiments.

[0012] Preferably, the acid liquid box is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet pipe is inserted into the first liquid outlet, the second liquid outlet pipe is inserted into the second liquid outlet, the acid liquid box is provided with a first sealing plate and a second sealing plate, two of the first sealing plates and two of the second sealing plates are provided, a first sealing hole is formed between the two first sealing plates, the hole wall of the first sealing hole is in contact with the first liquid outlet pipe, and a second sealing hole is formed between the two second sealing plates, the hole wall of the second sealing hole is in contact with the second liquid outlet pipe.

[0013] By adopting the above technical solution, the first liquid outlet can be inserted into the first liquid outlet pipe, and the second liquid outlet can be inserted into the second liquid outlet pipe, so that the acid in the acid liquid tank can flow into the pickling tank. The first sealing plate can seal the first liquid outlet, and the second sealing plate can seal the second liquid outlet, reducing the possibility of acid mist in the acid liquid tank flowing out.

[0014] Preferably, a liquid level tube is installed on the acid liquid tank.

[0015] By adopting the above technical solution, the liquid level tube allows the operator to observe the amount of acid in the acid tank, which is convenient for replenishing the acid tank.

[0016] Preferably, a liquid level meter is installed on the experimental box.

[0017] By adopting the above technical solution, the liquid level meter can be used by the operator to observe the amount of acid in the pickling tank. The operator can add an appropriate amount of acid into the pickling tank according to actual experimental requirements to facilitate the pickling experiment.

[0018] Preferably, the experimental box is provided with an air suction hood, and the air suction hood is connected to an induced draft fan.

[0019] By adopting the above technical solution, the suction hood can absorb the acid mist in the pickling tank, reduce the emission of acid mist into the air, and reduce the impact of acid mist on the environment.

[0020] Preferably, a support block is fixedly connected to the tank wall of the pickling tank, and a support frame is provided on the support block.

[0021] By adopting the above technical solution, the support block can provide a supporting force to the support frame, and the sample can be placed on the support frame, so that the sample can be conveniently subjected to the pickling experiment.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. Through the setting of the pickling tank, heating rod, positioning block and thermometer, the operator can install the heating rod in the pickling tank, and the heating rod is embedded in the positioning groove, and the positioning groove can limit the heating rod; when the heating rod heats the acid solution, the operator can judge the temperature rise of the acid solution according to the thermometer, reduce the possibility of deviation during monitoring, control the heating time of the heating rod, and improve the accuracy of the experimental results;

[0024] 2. Through the arrangement of the first delivery pump, the second delivery pump, the liquid inlet pipe, the first branch pipe, the second branch pipe, the first liquid outlet pipe and the second liquid outlet pipe, when it is necessary to inject the acid in the acid liquid tank into the pickling tank, the operator can drive the first delivery pump and the second delivery pump. The first delivery pump can suck the acid in the acid liquid tank into the first branch pipe through the first liquid outlet pipe, and flow into the pickling tank through the liquid inlet pipe; the second delivery pump can suck the acid in the acid liquid tank into the second branch pipe through the second liquid outlet pipe, and flow into the pickling tank through the liquid inlet pipe, which is convenient for acid liquid experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a low-magnification pickling experimental device for laboratory use in the embodiments of the present application.

[0026] Figure 2 It is a schematic diagram of the internal structure of the experimental box in the embodiment of the present application.

[0027] Figure 3 It is a schematic diagram of the overall structure of a low-magnification pickling experimental device for laboratory use in the embodiments of the present application.

[0028] Figure 4 yes Figure 3 A partial enlarged schematic diagram of part A in the middle.

[0029] Explanation of the accompanying drawings: 1. Experimental box; 11. Pickling tank; 12. Heating rod; 13. Positioning block; 131. Positioning groove; 14. Thermometer; 15. Acid return pipe; 151. Solenoid valve; 16. Liquid inlet pipe; 161. First branch pipe; 162. Second branch pipe; 17. Liquid level meter; 18. Suction hood; 19. Support block; 191. Support frame; 2. Acid liquid tank; 21. First liquid outlet pipe; 22. Second liquid outlet pipe; 23. First sealing plate; 231. First sealing hole; 24. Second sealing plate; 241. Second sealing hole; 25. Liquid level pipe; 26. Flange cover; 3. Support platform; 31. First delivery pump; 32. Second delivery pump. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] The present application embodiment discloses a laboratory low-magnification pickling experimental device, such as Figure 1 As shown, it includes an experimental box 1 and an acid liquid box 2. The experimental box 1 is placed on the acid liquid box 2. A pickling tank 11 is provided in the experimental box 1. Acid liquid is placed in the pickling tank 11. The acid liquid box 2 is used to store acid liquid.

[0032] like Figure 1 and 2 As shown, a heating rod 12 is installed in the experimental box 1, and the heating rod 12 is located in the pickling tank 11. A positioning block 13 is fixedly connected to the bottom of the pickling tank 11. The positioning block 13 is made of fiberglass. A positioning groove 131 is provided on the positioning block 13, and the positioning groove 131 is provided for the heating rod 12 to be embedded. When the heating rod 12 needs to be installed, the heating rod 12 is moved so that the heating rod 12 is embedded in the positioning groove 131. The positioning groove 131 can limit the heating rod 12 so that the heating rod 12 is positioned in the pickling tank 11, which is convenient for the fixed installation of the heating rod 12.

[0033] like Figure 1 and 2 As shown, a support block 19 is fixedly connected to the tank wall of the pickling tank 11, and a support frame 191 is placed on the support block 19, and a sample is placed on the support frame 191. An air suction hood 18 is fixedly installed on the experimental box 1, and the air suction hood 18 is connected to the induced draft fan. When the heating rod 12 heats the acid liquid in the pickling tank 11 to a suitable temperature, the operator can place the sample on the support frame 191 to facilitate the pickling of the sample; the air suction hood 18 can absorb the acid mist generated by the acid liquid, reduce the possibility of the acid mist being discharged into the air, and reduce the impact of the acid mist on the environment.

[0034] like Figure 1 and 3As shown, the experimental box 1 is equipped with a thermometer 14 and a liquid level meter 17. The thermometer 14 can display the temperature of the acid solution in the pickling tank 11, which is convenient for heating the acid solution to a temperature that meets the experimental requirements and improves the accuracy of the experimental results; the liquid level meter 17 can display the liquid level of the acid solution in the pickling tank 11, which is convenient for adding the amount of acid solution that meets the experimental requirements into the pickling tank 11, and improves the accuracy of the experimental results. The acid tank 2 is equipped with a liquid level tube 25, which can display the liquid level of the acid solution in the acid tank 2, which is convenient for the operator to add the acid solution into the acid tank 2, thereby facilitating the pickling experiment.

[0035] like Figure 1 and 3 As shown, a support platform 3 is installed on one side of the acid liquid tank 2, and a first delivery pump 31 and a second delivery pump 32 are fixedly installed on the support platform 3. A liquid inlet pipe 16 is fixedly installed on the tank wall of the pickling tank 11 through a clamp, and the liquid inlet pipe 16 is connected with a first branch pipe 161 and a second branch pipe 162, the first branch pipe 161 is connected to the first delivery pump 31, and the second branch pipe 162 is connected to the second delivery pump 32. A first liquid outlet pipe 21 and a second liquid outlet pipe 22 are connected to the acid liquid tank 2, the first liquid outlet pipe 21 is connected to the first delivery pump 31, and the second liquid outlet pipe 22 is connected to the second delivery pump 32. An acid return pipe 15 is provided on the experimental box 1, one end of the acid return pipe 15 extends into the pickling tank 11, and the other end extends into the acid liquid tank 2, and a solenoid valve 151 is provided on the acid return pipe 15. When it is necessary to transport the acid in the acid tank 2 to the pickling tank 11, the operator drives the first delivery pump 31 and the second delivery pump 32. The first delivery pump 31 can suck the acid in the acid tank 2 into the first branch pipe 161 through the first liquid outlet pipe 21, and flow into the pickling tank 11 through the liquid inlet pipe 16; the second delivery pump 32 can suck the acid in the acid tank 2 into the second branch pipe 162 through the second liquid outlet pipe 22, and flow into the pickling tank 11 through the liquid inlet pipe 16, so that the acid in the acid tank 2 is injected into the pickling tank 11, which is convenient for pickling experiments. When it is necessary to transport the acid in the pickling tank 11 to the acid tank 2, the operator can drive the solenoid valve 151, so that the acid in the pickling tank 11 enters the acid tank 2 through the acid return pipe 15, which is convenient for the acid tank 2 to store the acid.

[0036] like Figure 3 and 4As shown, the acid liquid tank 2 is provided with a liquid inlet, and a flange cover 26 is installed at the orifice of the liquid inlet, and the flange cover 26 can block the liquid inlet. The acid liquid tank 2 is provided with a first liquid outlet and a second liquid outlet, and the first liquid outlet pipe 21 is inserted into the first liquid outlet, and the second liquid outlet pipe 22 is inserted into the second liquid outlet, so that the acid in the acid liquid tank 2 flows into the pickling tank 11. The acid liquid tank 2 is fixedly connected with a first sealing plate 23 and a second sealing plate 24 by bolts, and the first sealing plate 23 and the second sealing plate 24 are both provided with two, and a first sealing hole 231 is formed between the two first sealing plates 23, and the hole wall of the first sealing hole 231 fits with the first liquid outlet pipe 21; a second sealing hole 241 is formed between the two second sealing plates 24, and the hole wall of the second sealing hole 241 fits with the second liquid outlet pipe 22. The operator can inject the acid into the acid liquid tank 2 through the liquid inlet, and after the injection is completed, the liquid inlet is blocked by the flange cover 26 to reduce the possibility of acid mist flowing into the air. The first sealing plate 23 can seal the first liquid outlet, and the second sealing plate 24 can seal the second liquid outlet, thereby reducing the possibility of acid mist flowing out from the first liquid outlet and the second liquid outlet, thereby reducing the impact of the acid mist on the environment.

[0037] The implementation principle of a low-magnification pickling experimental device for laboratory use in the present application embodiment is as follows:

[0038] When a pickling experiment is required, the operator drives the first delivery pump 31 and the second delivery pump 32 to deliver the acid in the acid tank 2 to the pickling tank 11 through the first liquid outlet pipe 21 and the second liquid outlet pipe 22, and controls the amount of acid in the pickling tank 11 according to the liquid level meter 17, then heats the acid through the heating rod 12, controls the temperature of the acid in the pickling tank 11 through the thermometer 14, and then places the sample on the support frame 191 to perform the pickling experiment. After the pickling experiment is completed, the operator can drive the solenoid valve 151 to allow the acid in the pickling tank 11 to enter the acid tank 2 through the acid return pipe 15, so as to facilitate the subsequent use of the acid.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A low-magnification pickling experimental device for laboratory use, characterized in that: The experimental box (1) comprises an experimental box (1), wherein a pickling tank (11) is provided in the experimental box (1), wherein acid liquid is placed in the pickling tank (11), wherein a heating rod (12) is provided in the experimental box (1), wherein a positioning block (13) is provided at the bottom of the pickling tank (11), wherein a positioning groove (131) is provided on the positioning block (13), wherein the heating rod (12) is embedded in the positioning groove (131), and wherein a thermometer (14) is provided on the experimental box (1); and further comprising an acid liquid tank (2), wherein the acid liquid tank (2) is used to store acid liquid, wherein the acid liquid tank (2) is located below the experimental box (1), wherein an acid return pipe (15) is provided on the experimental box (1), wherein one end of the acid return pipe (15) extends into the pickling tank (11), and the other end extends into the acid liquid tank (2), wherein the acid return pipe (15) extends into the acid liquid tank (2), wherein the acid return pipe (15) extends into the acid liquid tank (2), wherein the acid return pipe (15) extends into the acid liquid tank (1 ...11), wherein the acid return pipe (15) extends into the acid liquid tank (2), wherein the acid return pipe (15) extends into the acid liquid tank (11), wherein the acid return pipe (15) extends into the acid liquid tank (2), A solenoid valve (151) is provided on the pipe (15); a support platform (3) is provided on one side of the acid liquid tank (2); a first delivery pump (31) and a second delivery pump (32) are installed on the support platform (3); a liquid inlet pipe (16) is installed on the tank wall of the pickling tank (11); a first branch pipe (161) and a second branch pipe (162) are connected to the liquid inlet pipe (16); the first branch pipe (161) is connected to the first delivery pump (31); the second branch pipe (162) is connected to the second delivery pump (32); a first liquid outlet pipe (21) and a second liquid outlet pipe (22) are provided on the acid liquid tank (2); the first liquid outlet pipe (21) is connected to the first delivery pump (31); the second liquid outlet pipe (22) is connected to the second delivery pump (32).

2. A laboratory low-magnification pickling experimental device according to claim 1, characterized in that: The acid liquid box (2) is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet pipe (21) is inserted into the first liquid outlet, and the second liquid outlet pipe (22) is inserted into the second liquid outlet, the acid liquid box (2) is provided with a first sealing plate (23) and a second sealing plate (24), two of each of the first sealing plate (23) and the second sealing plate (24), a first sealing hole (231) is formed between the two first sealing plates (23), the hole wall of the first sealing hole (231) is in contact with the first liquid outlet pipe (21), and a second sealing hole (241) is formed between the two second sealing plates (24), the hole wall of the second sealing hole (241) is in contact with the second liquid outlet pipe (22).

3. A laboratory low-magnification pickling experimental device according to claim 1, characterized in that: A liquid level tube (25) is installed on the acid liquid tank (2).

4. A laboratory low-magnification pickling experimental device according to claim 1, characterized in that: A liquid level meter (17) is installed on the experimental box (1).

5. A laboratory low-magnification pickling experimental device according to claim 1, characterized in that: The experimental box (1) is provided with an air suction hood (18), and the air suction hood (18) is connected to an induced draft fan.

6. A laboratory low-magnification pickling experimental device according to claim 1, characterized in that: A support block (19) is fixedly connected to the tank wall of the pickling tank (11), and a support frame (191) is provided on the support block (19).

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