Pretreatment device for iron element analysis of conductive carbon black

Abstract

The utility model discloses a pretreatment device for conductive carbon black iron element analysis, which comprises a treatment tank, a feed port is arranged on one side of the top of the treatment tank, the feed port is obliquely arranged, a baffle is rotatably mounted on the feed port, a heating sleeve is arranged outside the treatment tank, a liquid outlet is arranged on one side of the bottom of the treatment tank, and a liquid level sensor is arranged in the treatment tank. A cover plate is arranged at the top of the treatment tank, an exhaust port is formed in the cover plate, and a gas treatment device is arranged at the exhaust port. The device disclosed by the utility model has the advantages that quantitative and safe addition of a sample can be realized, a conductive carbon black sample is heated and digested through aqua regia, a solution is treated and analyzed, the device is simple in structure and quick in treatment, the whole reaction in a closed device is safer, meanwhile, the liquid level and the reaction condition can be intuitively observed, and the subsequent iron element analysis is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of battery raw material analysis, and particularly relates to a pretreatment device for the analysis of iron elements in conductive carbon black. Background Technique

[0002] For the analysis of iron elements in conductive carbon black, ICP instrument analysis is adopted, which requires the sample to be a clear and transparent solution; currently, for the pretreatment of the analysis of iron elements in conductive carbon black, high-temperature baking in a muffle furnace is used to ash the carbon and then it is washed down with pure water and then digested. This takes a long time and is prone to contamination during the pretreatment process. Content of the Utility Model

[0003] The purpose of the utility model is to provide a pretreatment device for the analysis of iron elements in conductive carbon black. Through this device, conductive carbon black and aqua regia can be quantitatively selected, the conductive carbon black sample can be digested by heating with aqua regia, and then the solution can be processed and analyzed. The equipment has a simple structure, fast processing, and the overall reaction in a closed device is safer.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions:

[0005] A pretreatment device for the analysis of iron elements in conductive carbon black, characterized in that it includes a treatment tank. One side of the top of the treatment tank is provided with a feed port, the feed port is obliquely arranged, a baffle is rotatably installed on the feed port, a heating jacket is arranged outside the treatment tank, one side of the bottom of the treatment tank is provided with a drain port, a liquid level sensor is arranged inside the treatment tank, a cover plate is arranged on the top of the treatment tank, an exhaust port is opened on the cover plate, and a gas treatment device is arranged at the exhaust port.

[0006] Preferably, the heating jacket includes a heat preservation sleeve, a heating wire and a heating plate. The heat preservation sleeve is sleeved on the lower part of the treatment tank from bottom to top, the heating wire and the heating plate are both arranged inside the heat preservation sleeve, the heating wire is spirally arranged on the outer wall of the treatment tank, and the heating plate is arranged at the bottom of the treatment tank.

[0007] Preferably, a rotating shaft is arranged in the middle of the baffle, both ends of the rotating shaft are rotatably connected to the tank wall of the treatment tank on both sides of the feed port, and a rotating motor is arranged on one side of the tank wall of the treatment tank. The output end of the rotating motor is in transmission connection with the rotating shaft.

[0008] Preferably, both ends of the baffle are provided with inclined surfaces, the baffle opens counterclockwise and closes clockwise, sealing strips are arranged at the upper and lower parts of the feed port and the sealing places of the inclined surfaces at both ends of the baffle, and magnetic attraction blocks are arranged at both ends of the baffle.

[0009] Preferably, a stop block is arranged above the outer end of the baffle in the open state, and the baffle in the open state is in a horizontal state.

[0010] Preferably, a support plate is further provided on one side of the feed inlet of the treatment tank. The top of the support plate is in supporting contact with the lower part of the outer end of the baffle in the open state. An opening is provided on the support plate, and a liquid inlet pipe is movably inserted through the opening.

[0011] Preferably, a lifting seat is installed on one side of the cover plate. A lifting rod is vertically movably arranged up and down in the lifting seat. The bottom of the lifting rod penetrates through the cover plate and is arranged inside the treatment tank. A temperature sensor is arranged below the bottom of the lifting rod. The liquid level sensor is arranged on one side of the lower part of the lifting rod. A tooth groove is arranged on one side above the lifting rod. A gear is correspondingly arranged at the position of the tooth groove on one side of the lifting rod in the lifting seat. The gear is meshed and driven with the tooth groove. The gear is externally connected with a driving motor outside the lifting seat. A plurality of groups of guide wheels are also arranged on both sides of the lifting rod in the lifting seat. Scale lines are arranged on both sides of the upper part of the lifting rod.

[0012] Preferably, a transparent window is provided above the tank wall of the treatment tank.

[0013] Preferably, a solenoid valve is arranged in the drain port. One end of the solenoid valve is communicated with the drain port, and the other end is connected with a collection pipe or a flushing pipe.

[0014] Preferably, the central height of the bottom of the treatment tank is higher than the height of the surrounding, and the drain port is arranged at the lowest part of the bottom of the treatment tank.

[0015] In summary, the present utility model has the following beneficial effects: The present utility model can realize the quantitative and safe addition of samples, digest the conductive carbon black samples by heating with aqua regia, and analyze the solution. The device has a simple structure, fast processing, and the overall reaction in the closed device is safer. At the same time, the liquid level and the reaction situation can be visually observed, and the subsequent iron element analysis is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model in the sample adding state;

[0017] Figure 2 is a schematic diagram of the overall structure of the present utility model after the sample adding is completed;

[0018] Figure 3 is Figure 1 the schematic diagram of the structure at A in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following further describes the specific embodiments of the present utility model in conjunction with the drawings. This embodiment does not constitute a limitation to the present utility model.

[0020] Such as Figures 1 to 3A pretreatment device for iron element analysis of conductive carbon black shown in the figure comprises a treatment tank 1, a feed port 2 is arranged on one side of the top of the treatment tank 1, the feed port 2 is arranged obliquely, a baffle 3 is rotatably mounted on the feed port 2, a heating jacket 4 is arranged on the outside of the treatment tank 1, a drain port 5 is arranged on one side of the bottom of the treatment tank 1, a liquid level sensor 6 is arranged in the treatment tank 1, a cover plate 7 is arranged on the top of the treatment tank 1, an exhaust port 8 is opened on the cover plate 7, and a gas treatment device is arranged at the exhaust port 8.

[0021] The heating sleeve 4 includes an insulation sleeve 9, a heating wire 10 and a heating plate 11. The insulation sleeve 9 is arranged on the lower part of the processing tank 1 from bottom to top. The heating wire 10 and the heating plate 11 are both arranged inside the insulation sleeve 9. The heating wire 10 is spirally coiled on the outer wall of the processing tank 1, and the heating plate 11 is arranged at the bottom of the processing tank 1.

[0022] A rotating shaft 12 is arranged in the middle of the baffle 3 , and both ends of the rotating shaft 12 are rotatably connected to the tank wall of the processing tank 1 on both sides of the feed port 2 . A rotating motor 13 is arranged on one side of the tank wall of the processing tank 1 , and the output end of the rotating motor 13 is drivingly connected to the rotating shaft 12 .

[0023] Both ends of the baffle 3 are provided with inclined surfaces. The baffle 3 is opened counterclockwise and closed clockwise. Sealing strips 14 are provided at the upper and lower sealing places of the feed port 2 and the inclined surfaces at both ends of the baffle 3. Magnetic blocks 15 are provided at both ends of the baffle 3.

[0024] A stopper 16 is provided above the outer end of the baffle 3 in the open state. The baffle 3 in the open state is in a horizontal state. The baffle 3 in the open state is used to place the weighed conductive carbon black. When the baffle 3 is closed clockwise, the conductive carbon black slides along the baffle 3 into the processing tank 1. The stopper 16 can prevent the conductive carbon black from falling in the open state.

[0025] A support plate 17 is further provided on one side of the feed port 2 of the processing tank 1. The top of the support plate 17 is supported and fitted with the lower outer end of the baffle 3 in the open state. An opening is provided on the support plate 17, and a liquid inlet pipe 26 is movably penetrated in the opening. In the open state, the liquid inlet pipe 26 passes aqua regia into the processing tank 1. When the liquid level sensor 6 detects that the aqua regia reaches a preset water level, the addition is stopped and the aqua regia is extracted, and then the baffle 3 is closed for processing.

[0026] One side of the cover plate 7 is provided with a lifting seat 18. Inside the lifting seat 18, a lifting rod 19 is vertically movably arranged up and down. The bottom of the lifting rod 19 penetrates through the cover plate 7 and is arranged inside the treatment tank 1. Below the bottom of the lifting rod 19, a temperature sensor 25 is provided. The liquid level sensor 6 is arranged on one side of the lower part of the lifting rod 19. On one side above the lifting rod 19, a tooth groove is provided. Inside the lifting seat 18, a gear is correspondingly arranged at the position of the tooth groove on one side of the lifting rod 19. The gear meshes and drives with the tooth groove. The gear is externally connected with a driving motor 20 outside the lifting seat 18. Inside the lifting seat 18, several groups of guide wheels 21 are also arranged on both sides of the lifting rod 19. On both sides of the upper part of the lifting rod 19, scale lines 22 are also provided. By driving the liquid level sensor 6 through the lifting rod 19, different liquid level detection heights are set, so as to facilitate adjusting the amount of aqua regia to be treated. The liquid level height can be directly read from the scale lines 22 on the upper part of the lifting rod 19.

[0027] Above the tank wall of the treatment tank 1, a transparent window 23 is provided, which can directly observe the liquid level and reaction conditions.

[0028] An electromagnetic valve 24 is arranged inside the liquid discharge port 5. One end of the electromagnetic valve 24 is communicated with the liquid discharge port 5, and the other end is connected with a collection pipe or a flushing pipe, which can not only realize the collection of the reaction liquid, but also clean the subsequent treatment tank 1.

[0029] The height of the center of the bottom of the treatment tank 1 is higher than the height of the surrounding area. The liquid discharge port 5 is arranged at the lowest position of the bottom of the treatment tank 1 to ensure that the treatment liquid in the treatment tank 1 can be completely discharged, ensuring the accuracy of subsequent detection.

[0030] The utility model can realize the quantitative and safe addition of samples. The conductive carbon black samples are digested by heating with aqua regia, and then the solution is processed and analyzed. The equipment has a simple structure, fast processing speed, and the overall reaction in a closed device is safer. At the same time, the liquid level and reaction conditions can be directly observed, and the subsequent iron element analysis is more accurate.

[0031] The above are only the preferred embodiments of the utility model and are not used to limit the utility model. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the essence and protection scope of the utility model, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the technical solution of the utility model.

Claims

1. A pre-treatment device for iron element analysis of conductive carbon black, characterized in that: It comprises a processing tank, wherein a feed port is arranged on one side of the top of the processing tank, the feed port is arranged obliquely, a baffle is rotatably mounted on the feed port, a heating jacket is arranged on the outside of the processing tank, a liquid discharge port is arranged on one side of the bottom of the processing tank, a liquid level sensor is arranged in the processing tank, a cover plate is arranged on the top of the processing tank, an exhaust port is opened on the cover plate, and a gas processing device is arranged at the exhaust port.

2. A pre-treatment device for iron element analysis of conductive carbon black according to claim 1, characterized in that: The heating sleeve comprises an insulation sleeve, a heating wire and a heating plate. The insulation sleeve is sleeved on the lower part of the processing tank from bottom to top. The heating wire and the heating plate are both arranged inside the insulation sleeve. The heating wire spiral coil is arranged on the outer wall of the processing tank, and the heating plate is arranged at the bottom of the processing tank.

3. A pre-treatment device for iron element analysis of conductive carbon black according to claim 1, characterized in that: A rotating shaft is arranged in the middle of the baffle, and both ends of the rotating shaft are rotatably connected to the walls of the processing tank on both sides of the feed port. A rotating motor is arranged on one side of the processing tank wall, and the output end of the rotating motor is drivingly connected to the rotating shaft.

4. A pre-treatment device for iron element analysis of conductive carbon black according to claim 1 or 3, characterized in that: Both ends of the baffle are provided with inclined surfaces, the baffle is opened counterclockwise and closed clockwise, sealing strips are provided at the upper and lower sealing places of the feed port and the inclined surfaces at both ends of the baffle, and magnetic suction blocks are provided at both ends of the baffle.

5. A pre-treatment device for iron element analysis of conductive carbon black according to claim 4, characterized in that: A stopper is arranged above the outer end of the baffle in the open state, and the baffle is in a horizontal state in the open state.

6. A pre-treatment device for iron element analysis of conductive carbon black according to claim 5, characterized in that: The processing tank is also provided with a support plate on one side of the feed port, the top of the support plate is supported and fitted with the lower outer end of the baffle in the open state, the support plate is provided with an opening, and a liquid inlet pipe is movably inserted in the opening.

7. The pre-treatment device for iron element analysis of conductive carbon black according to claim 1, characterized in that: A lifting seat is installed on one side of the cover plate, and a lifting rod is vertically movably arranged in the lifting seat. The bottom of the lifting rod passes through the cover plate and is arranged in the processing tank. A temperature sensor is arranged below the bottom of the lifting rod, and the liquid level sensor is arranged on one side of the lower part of the lifting rod. A tooth groove is arranged on one side of the upper part of the lifting rod. A gear is arranged in the lifting seat at the tooth groove on one side of the lifting rod, and the gear is meshed with the tooth groove for transmission. The gear is connected to a transmission motor outside the lifting seat for transmission. A plurality of guide wheels are also arranged in the lifting seat and on both sides of the lifting rod, and scale lines are also arranged on both sides of the upper part of the lifting rod.

8. The pre-treatment device for iron element analysis of conductive carbon black according to claim 1, characterized in that: A transparent window is arranged above the wall of the processing tank.

9. The pre-treatment device for iron element analysis of conductive carbon black according to claim 1, characterized in that: An electromagnetic valve is arranged in the liquid discharge port, one end of the electromagnetic valve is communicated with the liquid discharge port, and the other end is connected with a collection pipe or a flushing pipe.

10. The pre-treatment device for iron element analysis of conductive carbon black according to claim 1, characterized in that: The central height of the bottom of the processing tank is higher than the surrounding height, and the drainage port is arranged at the lower part of the bottom of the processing tank.

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