A cyanide wastewater treatment device for producing a cuprous cyanide solution

Abstract

The utility model relates to wastewater treatment technical field especially disclose a kind of wastewater treatment devices for cuprous cyanide solution production, including processing cylinder, sealing cylinder cover is installed on the upper end portion of processing cylinder, storage tray is fixedly installed at the lower end portion of sealing cylinder cover, storage tray inside is uniformly fixedly installed with storage cavity, sealing disc for sealing is installed on storage tray, four storage cavities and storage tray inside are slidably installed with slide post, inner groove is formed in the upper end portion of each slide post, discharge slot is formed in the side wall of each slide post, discharge slot is communicated with inner groove, sealing plug is inserted in inner groove, in the use process, reaction agent can be added to inside by pulling out, at this moment, reaction agent will flow in, and it can be completed without opening equipment, increase use safety, by sealing type without opening reagent adding design and integrated safety structure, fundamentally eliminate the risk that toxic cyanide gas volatilizes due to equipment opening.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a wastewater treatment device for the production of cuprous cyanide solution. Background Technology

[0002] Cuprous cyanide solution is a liquid-phase system containing cuprous cyanide. Its core component is a mixture of cuprous cyanide and solvent (usually water or an alkaline solution containing cyanide). It is highly toxic due to the presence of highly toxic cyanide ions and is a chemical system that needs to be strictly controlled in industrial production.

[0003] However, traditional wastewater treatment devices require frequent manual opening of the equipment cover to add chemicals to the treatment system. Since cyanide ions in cuprous cyanide wastewater can easily generate highly toxic hydrogen cyanide gas due to local pH fluctuations, these toxic gases will directly volatilize into the operating environment when the equipment cover is opened, posing a serious threat to operators. At the same time, the treatment process requires the addition of various chemicals such as oxidants and alkali adjusters in stages. Repeated opening of the cover leads to continuous leakage of toxic gases, which accumulates over time and poses a safety risk to the workshop environment. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a wastewater treatment device for the production of cuprous cyanide solution. It solves the technical problem that traditional cuprous cyanide wastewater treatment devices require frequent manual opening of the lid and staged addition of reagents, which leads to the volatilization of highly toxic hydrogen cyanide gas generated by cyanide ions. This not only seriously threatens the safety of operators but also creates a risk of toxic gas accumulation in the workshop environment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A wastewater treatment device for the production of cuprous cyanide solution includes a treatment cylinder with a sealing cover installed at the upper end. A locking buckle is installed between the treatment cylinder and the sealing cover. A drive motor is fixedly installed at the upper end of the sealing cover. A rotating shaft is fixedly installed at the output end of the drive motor. A cleaning rod is fixedly installed on the side wall of the rotating shaft and fits against the inner side wall of the treatment cylinder. A filter screen is fixedly installed inside the cleaning rod. A threaded ring is threaded onto the rotating shaft. Defoaming rods are symmetrically fixedly installed on the side wall of the threaded ring. Stirring blades are evenly and equidistantly fixedly installed on the side wall of the rotating shaft at an angle of 10°. The device achieves efficient stirring and preliminary impurity control while maintaining a sealed environment.

[0006] Preferably, the stirring blade is attached to the filter screen, a liquid storage tray is fixedly installed at the lower end of the sealing cylinder cover, a liquid storage chamber is uniformly fixedly installed inside the liquid storage tray, and a sealing plate is installed on the liquid storage tray to seal it, so as to realize the closed storage of oxidants, alkali regulators and other agents, and avoid the agents from prematurely contacting air or wastewater and causing ineffective reactions or toxic volatilization.

[0007] Preferably, each of the four liquid storage chambers and the liquid storage pan is equipped with a sliding column, each of the sliding columns has an inner groove at its upper end, and each of the sliding columns has a discharge groove on its side wall. The discharge groove is connected to the inner groove, so that the dosing can be completed without opening the equipment cover. This cuts off the path of toxic gas volatilization due to opening the cover during operation, while ensuring that the reagent flows into the reaction system in a directional manner, avoiding the risk of splashing due to manual pouring.

[0008] Preferably, a sealing plug is inserted inside the inner groove, a base is fixedly installed at the lower end of the sliding column, and a spring is fixedly installed at the upper end of the base. The upper and lower ends of the spring are respectively fixedly connected to the base and the sealing cylinder cover, realizing automated sealing control of "dosing-closing", further enhancing the sealing of the entire dosing process and avoiding the leakage of toxic gases caused by residual gaps after dosing.

[0009] Compared with the prior art, the present invention has the following beneficial effects: I. Through a sealed, non-opening reagent addition design and integrated safety structure, the risk of highly toxic cyanide gas volatilizing due to equipment opening is fundamentally eliminated; Second, it can ensure the thorough mixing of reagents and the targeted collection of impurities, thus achieving inherent safety and efficient and stable operation in the treatment of cuprous cyanide wastewater. Attached Figure Description

[0010] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is an exploded view of the cleaning rod connection of this utility model; Figure 3 This is a diagram of the filter connection structure of this utility model; Figure 4 This is a diagram showing the connection structure of the liquid storage tray of this utility model; Figure 5 This is an exploded view of the sealing disc connection of this utility model; Figure 6 This is an exploded view of the sealing plug connection of this utility model; Figure 7 This is an exploded structural diagram of the sliding column connection of this utility model.

[0012] Legend: 1. Processing cylinder; 2. Sealing cylinder cover; 3. Lock; 4. Drive motor; 5. Rotating shaft; 6. Cleaning rod; 7. Filter screen; 8. Threaded ring; 9. Defoaming rod; 10. Stirring blade; 11. Liquid storage tray; 12. Liquid storage chamber; 13. Sealing plate; 14. Sliding column; 15. Inner groove; 16. Discharge groove; 17. Sealing plug; 18. Base; 19. Spring. Detailed Implementation

[0013] This application provides a wastewater treatment device for the production of cuprous cyanide solution, which effectively solves the problem of traditional cuprous cyanide wastewater treatment devices that require frequent manual opening of the lid for staged addition of reagents, resulting in the volatilization of highly toxic hydrogen cyanide gas generated by cyanide ions. This not only seriously threatens the safety of operators but also creates a risk of toxic gas accumulation in the workshop environment. This device, through a sealed, non-opening reagent addition design and an integrated safety structure, fundamentally eliminates the risk of highly toxic cyanide gas volatilization due to equipment opening. Example

[0014] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the technical solution in this application embodiment effectively solves the technical problem that traditional cuprous cyanide wastewater treatment devices require frequent manual opening of the lid for staged addition of reagents, leading to the volatilization of highly toxic hydrogen cyanide gas generated by cyanide ions. This seriously threatens the safety of operators and creates a risk of toxic gas accumulation in the workshop environment. The overall concept is as follows: A wastewater treatment device for cuprous cyanide solution production includes a treatment cylinder 1. A water outlet pipe is connected to the side wall of the treatment cylinder 1, located below the filter screen 7. A control valve is installed on the water outlet pipe. A sealing cylinder cover 2 is installed at the upper end of the treatment cylinder 1. A locking buckle 3 is installed between the treatment cylinder 1 and the sealing cylinder cover 2. A drive motor 4 is fixedly installed at the upper end of the 2. A rotating shaft 5 is fixedly installed at the output end of the drive motor 4. A cleaning rod 6 is fixedly installed on the side wall of the rotating shaft 5. The cleaning rod 6 is in contact with the inner side wall of the treatment cylinder 1. A filter screen 7 is fixedly installed inside the cleaning rod 6. A threaded ring 8 is threadedly installed on the rotating shaft 5. Defoaming rods 9 are symmetrically fixedly installed on the side wall of the threaded ring 8. In use, the threaded ring 8 can be rotated on the rotating shaft 5, and the defoaming rods 9 can be moved up and down through the threaded ring 8 to keep the defoaming rods 9 at the same level as the liquid surface. When the rotating shaft 5 rotates, it will drive the threaded ring 8 and the defoaming rods 9 to rotate as well. The defoaming rods 9 will eliminate the bubbles generated by the mixing of the liquid surface.

[0015] Stirring blades 10 are evenly and equidistantly fixed on the side wall of the rotating shaft 5. The stirring blades 10 are installed at an angle of 10°. When rotating, they will drive the cuprous cyanide solution at the bottom to mix with the oxidant (sodium hypochlorite), alkali regulator (sodium hydroxide), heavy metal precipitant (sodium sulfide) and flocculant (polyacrylamide), and turn the mixed solution at the bottom up to mix, thereby improving the uniformity of the mixing of the reagents and wastewater and enhancing the mixing effect.

[0016] The stirring blade 10 is attached to the filter screen 7. A liquid storage tray 11 is fixedly installed at the lower end of the sealing cylinder cover 2. Liquid storage chambers 12 are evenly fixedly installed inside the liquid storage tray 11. A sealing plate 13 for sealing is installed on the liquid storage tray 11. Sliding columns 14 are slidably installed inside the four liquid storage chambers 12 and the liquid storage tray 11. An inner groove 15 is opened at the upper end of each sliding column 14. A discharge groove 16 is opened on the side wall of each sliding column 14. The discharge groove 16 is connected to the inner groove 15. A sealing plug 17 is inserted into the inner groove 15. During use, the reactant can be added into the inner groove 15 by pulling out the sealing plug 17. At this time, the reactant will flow into the liquid storage chamber 12 through the discharge groove 16. This can be done without opening the equipment, which increases the safety of use.

[0017] A base plate 18 is fixedly installed at the lower end of the sliding column 14, and a spring 19 is fixedly installed at the upper end of the base plate 18. The upper and lower ends of the spring 19 are fixedly connected to the base plate 18 and the sealing cylinder cover 2, respectively. In use, first pour the oxidant (sodium hypochlorite), alkali adjuster (sodium hydroxide), heavy metal precipitant (sodium sulfide), and flocculant (polyacrylamide) into the four liquid storage chambers 12, respectively. Then pour the cuprous cyanide solution into the treatment cylinder 1, and place the sealing cylinder cover 2 on the treatment cylinder 1. The two are then fixed by the four latches 3. At this time, the sliding column 14 can be pressed. 4. The sliding column 14 will slide downward inside the sealing plate 13 and the liquid storage chamber 12 under force. At this time, the chassis 18 will move downward accordingly. The chassis 18 drives the spring 19 to be stretched. As the sliding column 14 moves downward, the discharge chute 16 will connect the liquid storage chamber 12 and the processing cylinder 1. At this time, the oxidant, alkali regulator, heavy metal precipitant and flocculant inside the liquid storage chamber 12 can flow into the processing cylinder 1 and mix with the cuprous cyanide solution. This addition method does not require turning on the equipment, which fundamentally avoids the volatilization of toxic gases into the outside world due to the opening of the equipment, and reduces the risk of poisoning to operators.

[0018] In view of the problems existing in the prior art, this utility model provides a wastewater treatment device for the production of cuprous cyanide solution. Through a sealed, non-opening reagent addition design and integrated safety structure, it fundamentally eliminates the risk of highly toxic cyanide gas volatilizing when the equipment is turned on.

[0019] Working principle: The first step involves pouring an oxidant (sodium hypochlorite), an alkali adjuster (sodium hydroxide), a heavy metal precipitant (sodium sulfide), and a flocculant (polyacrylamide) into the four storage chambers 12, respectively. Then, pour the cuprous cyanide solution into the treatment cylinder 1. Next, place the sealing cylinder cover 2 onto the treatment cylinder 1 and secure it using the four locking clips 3. At this point, press the sliding column 14. The sliding column 14 will slide downwards within the sealing plate 13 and the storage chambers 12, causing the base plate 18 to move downwards. The base plate 18 then stretches the spring 19. As the sliding column 14 moves downwards, the discharge chute 16 connects the storage chambers 12 and the treatment cylinder 1. The oxidant, alkali adjuster, heavy metal precipitant, and flocculant in the storage chambers 12 can then flow into the treatment cylinder 1 and mix with the cuprous cyanide solution. Sodium hypochlorite is used to break complexation bonds and oxidize cyanide, while sodium hydroxide is used to adjust the pH of the wastewater. To make it alkaline, if the copper ion residue is high, sodium sulfide is added to generate copper sulfide precipitate that is more difficult to dissolve. Polyacrylamide accelerates the aggregation of precipitate particles and improves the efficiency of solid-liquid separation. This addition method does not require turning on the equipment, which fundamentally avoids the volatilization of toxic gases into the outside world due to the equipment being turned on, and reduces the risk of poisoning to operators. The second step involves starting the drive motor 4, which will drive the rotating shaft 5 to rotate. The rotation of the rotating shaft 5 will then drive the stirring blade 10 to rotate as well. Since the stirring blade 10 is installed at a 10° angle, when the stirring blade 10 rotates, it will mix the cuprous cyanide solution, oxidant (sodium hypochlorite), alkali regulator (sodium hydroxide), heavy metal precipitant (sodium sulfide), and flocculant (polyacrylamide) located at the bottom. This will also bring the mixed solution at the bottom to the top for further mixing, thereby improving the uniformity of the mixing between the reagents and the wastewater and enhancing the mixing effect. Furthermore, the impurities resulting from the reaction of the heavy metal precipitant and flocculant will fall onto the filter screen 7 and be collected, thus preventing the outlet pipe from becoming clogged.

[0020] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A wastewater treatment device for the production of cuprous cyanide solution, comprising a treatment cylinder (1), a sealing cylinder cover (2) installed at the upper end of the treatment cylinder (1), and a locking buckle (3) installed between the treatment cylinder (1) and the sealing cylinder cover (2), characterized in that, A drive motor (4) is fixedly installed on the upper end of the sealing cylinder cover (2). A rotating shaft (5) is fixedly installed on the output end of the drive motor (4). A cleaning rod (6) is fixedly installed on the side wall of the rotating shaft (5). The cleaning rod (6) is in contact with the inner side wall of the treatment cylinder (1). A filter screen (7) is fixedly installed inside the cleaning rod (6). A threaded ring (8) is threaded on the rotating shaft (5). Among them, defoaming rods (9) are symmetrically fixed on the side wall of the threaded ring (8), and stirring blades (10) are uniformly fixed on the side wall of the rotating shaft (5) at equal intervals. The stirring blades (10) are installed at an angle of 10°.

2. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 1, characterized in that, The stirring blade (10) is attached to the filter screen (7); The lower end of the sealing cylinder cover (2) is fixedly installed with a liquid storage tray (11).

3. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 2, characterized in that, The liquid storage tray (11) has liquid storage chambers (12) uniformly fixedly installed inside. The liquid storage tray (11) is equipped with a sealing tray (13) for sealing it.

4. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 3, characterized in that, Each of the four liquid storage chambers (12) and the liquid storage plate (11) is slidably installed with a sliding column (14). Each of the sliding pins (14) has an inner groove (15) at its upper end.

5. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 4, characterized in that, Each of the sliding columns (14) has a discharge groove (16) on its side wall; The discharge trough (16) is connected to the inner trough (15).

6. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 4, characterized in that, A sealing plug (17) is inserted inside the inner groove (15).

7. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 4, characterized in that, The lower end of the sliding column (14) is fixedly installed with a chassis (18).

8. The wastewater treatment device for the production of cuprous cyanide solution as described in claim 7, characterized in that, A spring (19) is fixedly installed on the upper end of the chassis (18). The upper and lower ends of the spring (19) are fixedly connected to the chassis (18) and the sealing cylinder cover (2), respectively.

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