Automatic analytical instrument for detecting concentration of sodium cyanide

Abstract

The utility model discloses an automatic analytical instrument for detecting sodium cyanide concentration, and relates to the technical field of sodium cyanide concentration detection, the instrument comprises a mounting rack and a conveying mechanism, a sodium cyanide sample measuring cup, a developing solution measuring cup, a mixing measuring cup and a photoelectric detection device are placed at the bottom of the mounting rack, according to the sodium cyanide color developing device disclosed by the utility model, automatic control is carried out through the touch screen controller, manual operation is not needed, a sodium cyanide sample solution and a color developing solution are automatically conveyed into the mixing measuring cup to be mixed, and the sodium cyanide color developing device is simple in structure, convenient to operate and high in efficiency. Then the mixed solution is automatically conveyed into the cuvette, photoelectric detection is carried out through the photoelectric detection device, then the concentration of the sodium cyanide sample solution is obtained after the light absorption value is calculated through the touch screen controller, the concentration is displayed, the automation degree is high, the detection precision is high, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to a relatively large range, in particular to an automatic analysis instrument for detecting the concentration of sodium cyanide. Background Art

[0002] Sodium cyanide is an inorganic compound with cubic crystal system and chemical formula NaCN. It is white crystalline powder, easy to deliquesce, with a faint smell of bitter almonds, and highly toxic. Contact with skin wounds, inhalation, and ingestion of trace amounts can cause poisoning and death. Melting point is 563.7℃, boiling point is 1496℃. It is easily soluble in water and easily hydrolyzed to form hydrogen cyanide. The aqueous solution is strongly alkaline. It is an important basic chemical raw material and is used as a complexing agent and masking agent in basic chemical synthesis, electroplating, metallurgy and organic synthesis medicine, pesticides and metal treatment.

[0003] At present, the sodium cyanide concentration test in gold cyanidation plants is completed by manual sampling and manual chemical titration, which is labor-intensive, has large measurement errors, and cannot meet the requirements of automation.

[0004] In view of the above problems, an improved automatic analytical instrument for detecting the concentration of sodium cyanide is now designed. Utility Model Content

[0005] The utility model aims to provide an automated analytical instrument for detecting the concentration of sodium cyanide to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An automated analytical instrument for detecting sodium cyanide concentration comprises a mounting frame and a conveying mechanism, wherein a sodium cyanide sample measuring cup, a color developing liquid measuring cup, a mixing measuring cup and a photoelectric detection device are placed at the bottom of the mounting frame, the sodium cyanide sample measuring cup, the color developing liquid measuring cup, the mixing measuring cup and the photoelectric detection device are arranged in a row in sequence, a colorimetric vessel is inserted inside a detection hole of the photoelectric detection device, a vibrator for oscillating and mixing a mixed liquid inside the mixing measuring cup is installed on the mounting frame below the mixing measuring cup, a placement frame is installed at the output end of the vibrator, and the mixing measuring cup is placed inside the placement frame.

[0008] The conveying mechanism is arranged inside the mounting frame and is used to convey the sodium cyanide sample in the sodium cyanide sample measuring cup and the color developing solution in the color developing solution measuring cup to the inside of the mixing measuring cup, and then convey the mixed solution in the mixing measuring cup to the inside of the cuvette.

[0009] As a further solution of the utility model: the conveying mechanism includes an electric telescopic rod, which is installed on the top of the mounting frame, and a fixed frame is installed at the output end of the electric telescopic rod. A third infusion tube is horizontally arranged at the bottom of the fixed frame, and both ends of the third infusion tube respectively pass through the bottom of the fixed frame and are inserted into the bottom of the sodium cyanide sample measuring cup and the top of the mixing measuring cup. A third peristaltic pump is installed on the third infusion tube for transporting the sodium cyanide sample inside the sodium cyanide sample measuring cup to the inside of the mixing measuring cup through the third infusion tube, and the third peristaltic pump is installed at the bottom of the fixed frame.

[0010] A second infusion tube is horizontally arranged at the bottom of the fixed frame, and both ends of the second infusion tube respectively pass through the bottom of the fixed frame and are inserted into the bottom of the color developing liquid measuring cup and the top of the mixing measuring cup. The second infusion tube is installed with a second peristaltic pump for transporting the color developing liquid inside the color developing liquid measuring cup to the inside of the mixing measuring cup through the second infusion tube. The second peristaltic pump is installed at the bottom of the fixed frame.

[0011] A first infusion tube is horizontally arranged at the bottom of the fixed frame, and two ends of the first infusion tube pass through the bottom of the fixed frame and are inserted into the bottom of the mixing measuring cup and the top of the cuvette respectively. A first peristaltic pump is installed on the first infusion tube for transporting the mixed liquid inside the mixing measuring cup to the inside of the cuvette through the first infusion tube. The first peristaltic pump is installed at the bottom of the fixed frame, and a touch screen controller for controlling the electric telescopic rod, the third peristaltic pump, the second peristaltic pump, the first peristaltic pump, and the photoelectric detection device and receiving and displaying detection data of the photoelectric detection device is installed on the side wall of the mounting frame. The center positions of the third infusion tube, the second infusion tube, and the first peristaltic pump are all soft tubes, and both ends are vertical hard tubes.

[0012] As a further solution of the utility model: a limiting frame for limiting and fixing the sodium cyanide sample measuring cup and the color developing liquid measuring cup is installed on the mounting frame below the side walls of the sodium cyanide sample measuring cup and the color developing liquid measuring cup.

[0013] As a further solution of the utility model: a rubber pad for protecting the mixing measuring cup is installed on the inner wall of the placement frame.

[0014] As a further solution of the utility model: the electric telescopic rod is replaced by a cylinder.

[0015] As a further solution of the utility model: a friction pad is installed at the lower end of the mounting frame to facilitate the mounting frame to be stably placed on the desktop.

[0016] As a further solution of the utility model: reinforcing ribs for improving the structural strength of the mounting frame are installed on the side walls of the mounting frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] After the sodium cyanide sample liquid in the sodium cyanide sample measuring cup and the color developing liquid in the color developing liquid measuring cup are prepared, the utility model performs automatic control through a touch screen controller without manual operation, automatically conveys the sodium cyanide sample liquid and the color developing liquid to the inside of the mixing measuring cup for mixing, then automatically conveys the mixed liquid to the inside of the cuvette, performs photoelectric detection through a photoelectric detection device, then calculates the absorbance value through the touch screen controller to obtain the concentration of the sodium cyanide sample liquid and displays it, has a high degree of automation, high detection accuracy, reduces the labor intensity of staff, and is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model when not in use.

[0020] Figure 2 It is a structural schematic diagram of the utility model when in use.

[0021] Figure 3 It is a structural schematic diagram of the conveying mechanism in the utility model.

[0022] Wherein: 1. mounting frame; 2. sodium cyanide sample measuring cup; 3. color developing liquid measuring cup; 4. limiting frame; 5. mixing measuring cup; 6. placing frame; 7. vibrator; 8. cuvette; 9. photoelectric detection device; 10. touch screen controller; 11. fixing frame; 12. first peristaltic pump; 13. first infusion tube; 14. second infusion tube; 15. second peristaltic pump; 16. third peristaltic pump; 17. third infusion tube; 18. electric telescopic rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 3In an embodiment of the utility model, an automated analytical instrument for detecting the concentration of sodium cyanide comprises a mounting frame 1 and a conveying mechanism, a sodium cyanide sample measuring cup 2, a color developing liquid measuring cup 3, a mixing measuring cup 5, and a photoelectric detection device 9 are placed at the bottom of the mounting frame 1, the sodium cyanide sample measuring cup 2, the color developing liquid measuring cup 3, the mixing measuring cup 5, and the photoelectric detection device 9 are arranged in a row in sequence, a colorimetric cell 8 is inserted inside the detection hole of the photoelectric detection device 9, a limiting frame 4 for limiting and fixing the sodium cyanide sample measuring cup 2 and the color developing liquid measuring cup 3 is installed on the mounting frame 1 below the side walls of the sodium cyanide sample measuring cup 2 and the color developing liquid measuring cup 3, a vibrator 7 for oscillating and mixing the mixed liquid inside the mixing measuring cup 5 is installed on the mounting frame 1 below the mixing measuring cup 5, a placement frame 6 is installed at the output end of the vibrator 7, and the mixing measuring cup 5 is placed inside the placement frame 6.

[0025] The conveying mechanism is arranged inside the mounting frame 1, and is used to convey the sodium cyanide sample in the sodium cyanide sample measuring cup 2 and the color developing solution in the color developing solution measuring cup 3 to the inside of the mixing measuring cup 5, and then convey the mixed solution in the mixing measuring cup 5 to the inside of the cuvette 8.

[0026] The conveying mechanism includes an electric telescopic rod 18, which is installed on the top of the mounting frame 1. A fixed frame 11 is installed at the output end of the electric telescopic rod 18. A third infusion tube 17 is horizontally arranged at the bottom of the fixed frame 11. The two ends of the third infusion tube 17 respectively pass through the bottom of the fixed frame 11 and are inserted into the bottom of the sodium cyanide sample measuring cup 2 and the top of the mixing measuring cup 5. A third peristaltic pump 16 is installed on the third infusion tube 17 for transporting the sodium cyanide sample inside the sodium cyanide sample measuring cup 2 to the inside of the mixing measuring cup 5 through the third infusion tube 17. The third peristaltic pump 16 is installed at the bottom of the fixed frame 11.

[0027] A second infusion tube 14 is horizontally arranged at the bottom of the fixed frame 11, and both ends of the second infusion tube 14 pass through the bottom of the fixed frame 11 and are inserted into the bottom of the color developing liquid measuring cup 3 and the top of the mixing measuring cup 5 respectively. The second infusion tube 14 is installed with a second peristaltic pump 15 for transporting the color developing liquid inside the color developing liquid measuring cup 3 to the inside of the mixing measuring cup 5 through the second infusion tube 14. The second peristaltic pump 15 is installed at the bottom of the fixed frame 11.

[0028] A first infusion tube 13 is horizontally arranged at the bottom of the fixed frame 11, and two ends of the first infusion tube 13 pass through the bottom of the fixed frame 11 and are inserted into the bottom of the mixing measuring cup 5 and the top of the cuvette 8 respectively. A first peristaltic pump 12 is installed on the first infusion tube 13 for transporting the mixed liquid inside the mixing measuring cup 5 to the inside of the cuvette 8 through the first infusion tube 13. The first peristaltic pump 12 is installed at the bottom of the fixed frame 11, and a touch screen controller 10 for controlling the electric telescopic rod 18, the third peristaltic pump 16, the second peristaltic pump 15, the first peristaltic pump 12, and the photoelectric detection device 9 and receiving and displaying the detection data of the photoelectric detection device 9 is installed on the side wall of the mounting frame 1. The center positions of the third infusion tube 17, the second infusion tube 14, and the first peristaltic pump 12 are all soft tubes, and both ends are vertical hard tubes.

[0029] When in use, add sodium cyanide sample solution into the sodium cyanide sample measuring cup 2, add color developing solution into the color developing solution measuring cup 3, and then control the electric telescopic rod 18 to start through the touch screen controller 10, the output end of the electric telescopic rod 18 drives the fixed frame 11 to move downward, the fixed frame 11 drives the third infusion tube 17, the second infusion tube 14, and the first infusion tube 13 to move downward, so that the two ends of the third infusion tube 17 pass through the bottom of the fixed frame 11 and are inserted into the bottom of the sodium cyanide sample measuring cup 2 and the top of the mixing measuring cup 5, the two ends of the second infusion tube 14 pass through the bottom of the fixed frame 11 and are inserted into the bottom of the color developing solution measuring cup 3 and the top of the mixing measuring cup 5, and the two ends of the first infusion tube 13 pass through the bottom of the fixed frame 11 and are inserted into the bottom of the mixing measuring cup 5 and the top of the cuvette 8.

[0030] Then, the third peristaltic pump 16 and the second peristaltic pump 15 are started, and the sodium cyanide sample in the sodium cyanide sample measuring cup 2 is quantitatively transported to the inside of the mixing measuring cup 5 through the third infusion tube 17 by the third peristaltic pump 16, and the color developing solution in the color developing solution measuring cup 3 is quantitatively transported to the inside of the mixing measuring cup 5 through the second infusion tube 14 by the second peristaltic pump 15, and then the vibrator 7 is started, and the vibrator 7 vibrates the mixing measuring cup 5 to make the sodium cyanide sample and the color developing solution evenly mixed, and then the first peristaltic pump 12 is started, and the mixed solution in the mixing measuring cup 5 is transported to the inside of the cuvette 8 through the first infusion tube 13 by the first peristaltic pump 12, and then the photoelectric detection device 9 is started to detect the absorbance value of the cuvette 8, and the absorbance value data is transmitted to the touch screen controller 10, and the touch screen controller 10 calculates the sodium cyanide concentration.

[0031] During cleaning, the sodium cyanide sample measuring cup 2, the color developing liquid measuring cup 3, the mixing measuring cup 5, and the cuvette 8 are removed and cleaned manually or by a cleaning machine, and new sodium cyanide sample measuring cup 2 and the color developing liquid measuring cup 3 containing cleaning liquid are placed on the limit frame 4, and then the detection program is started to make the cleaning liquid flow along the pipeline to achieve cleaning of the third infusion tube 17, the second infusion tube 14, and the first infusion tube 13.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. An automated analytical instrument for detecting sodium cyanide concentration, comprising a mounting frame (1) and a conveying mechanism, wherein a sodium cyanide sample measuring cup (2), a color developing liquid measuring cup (3), a mixing measuring cup (5), and a photoelectric detection device (9) are placed at the bottom of the mounting frame (1), characterized in that: The sodium cyanide sample measuring cup (2), the color developing liquid measuring cup (3), the mixing measuring cup (5), and the photoelectric detection device (9) are arranged in a row in sequence, a colorimetric cell (8) is inserted into the detection hole of the photoelectric detection device (9), a vibrator (7) for vibrating and mixing the mixed liquid in the mixing measuring cup (5) is installed on the mounting frame (1) below the mixing measuring cup (5), a placement frame (6) is installed at the output end of the vibrator (7), and the mixing measuring cup (5) is placed inside the placement frame (6); The conveying mechanism is arranged inside the mounting frame (1) and is used to convey the sodium cyanide sample inside the sodium cyanide sample measuring cup (2) and the color developing solution inside the color developing solution measuring cup (3) to the inside of the mixing measuring cup (5), and then convey the mixed solution inside the mixing measuring cup (5) to the inside of the cuvette (8).

2. An automated analytical instrument for detecting sodium cyanide concentration according to claim 1, characterized in that: The conveying mechanism comprises an electric telescopic rod (18), the electric telescopic rod (18) being mounted on the top of the mounting frame (1), the output end of the electric telescopic rod (18) being mounted with a fixed frame (11), the bottom of the fixed frame (11) being horizontally provided with a third infusion tube (17), the two ends of the third infusion tube (17) respectively passing through the bottom of the fixed frame (11) and being inserted into the bottom of the sodium cyanide sample measuring cup (2) and the top of the mixing measuring cup (5), the third infusion tube (17) being mounted with a third peristaltic pump (16) for transporting the sodium cyanide sample in the sodium cyanide sample measuring cup (2) to the inside of the mixing measuring cup (5) through the third infusion tube (17), the third peristaltic pump (16) being mounted at the bottom of the fixed frame (11); A second infusion tube (14) is horizontally arranged at the bottom of the fixed frame (11), and two ends of the second infusion tube (14) respectively pass through the bottom of the fixed frame (11) and are inserted into the bottom of the color developing liquid measuring cup (3) and the top of the mixing measuring cup (5). A second peristaltic pump (15) is installed on the second infusion tube (14) for transporting the color developing liquid in the color developing liquid measuring cup (3) to the inside of the mixing measuring cup (5) through the second infusion tube (14). The second peristaltic pump (15) is installed at the bottom of the fixed frame (11); A first infusion tube (13) is horizontally arranged at the bottom of the fixed frame (11), and two ends of the first infusion tube (13) pass through the bottom of the fixed frame (11) and are inserted into the bottom of the mixing measuring cup (5) and the top of the cuvette (8) respectively. A first peristaltic pump (12) is installed on the first infusion tube (13) for transporting the mixed liquid in the mixing measuring cup (5) to the inside of the cuvette (8) through the first infusion tube (13). The first peristaltic pump (12) is installed at the bottom of the fixed frame (11). A touch screen controller (10) for controlling the electric telescopic rod (18), the third peristaltic pump (16), the second peristaltic pump (15), the first peristaltic pump (12), and the photoelectric detection device (9) and receiving and displaying detection data of the photoelectric detection device (9) is installed on the side wall of the mounting frame (1). The central positions of the third infusion tube (17), the second infusion tube (14), and the first peristaltic pump (12) are all soft tubes, and both ends are vertical hard tubes.

3. An automated analytical instrument for detecting sodium cyanide concentration according to claim 1, characterized in that: A limiting frame (4) for limiting and fixing the sodium cyanide sample measuring cup (2) and the color developing liquid measuring cup (3) is installed on the mounting frame (1) below the side walls of the sodium cyanide sample measuring cup (2) and the color developing liquid measuring cup (3).

4. An automated analytical instrument for detecting sodium cyanide concentration according to claim 1, characterized in that: A rubber pad for protecting the mixing measuring cup (5) is installed on the inner wall of the placement frame (6).

5. An automated analytical instrument for detecting sodium cyanide concentration according to claim 2, characterized in that: The electric telescopic rod (18) is replaced by a cylinder.

6. An automated analytical instrument for detecting sodium cyanide concentration according to claim 1, characterized in that: A friction pad is installed at the lower end of the mounting frame (1) to facilitate the mounting frame (1) to be stably placed on the desktop.

7. An automated analytical instrument for detecting sodium cyanide concentration according to claim 1, characterized in that: Reinforcing ribs for improving the structural strength of the mounting frame (1) are installed on the side walls of the mounting frame (1).

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