A nitric acid dilution device

Abstract

The utility model belongs to the technical field of nitric acid production, in particular to a nitric acid dilution device, comprising a collecting rack; a processing tank is fixedly connected to the top of the collecting rack; a dilution chamber is provided inside the processing tank; a rotating shaft is rotatably connected inside the dilution chamber; a sealing plate is fixedly connected to the side wall of the rotating shaft; a feed port is provided on the top of the processing tank; nitric acid is added into a feed hopper, and the rotating shaft is driven to rotate by a driving motor, so that the rotating shaft drives the sealing plate to rotate, thereby opening the feed port of the processing tank, and controlling the opening time of the feed port, that is, a structural design for controlling the amount of nitric acid added, realizing a function that makes it more convenient to control the amount of nitric acid added, and effectively solving the problem that when controlling the ratio, nitric acid and water need to be weighed, resulting in more steps for nitric acid dilution, slower preparation speed, and affecting the efficiency of nitric acid dilution.

Description

Technical Field

[0001] The utility model belongs to the technical field of nitric acid production, in particular to a nitric acid dilution device. Background Art

[0002] Nitric acid is a strong oxidizing and corrosive acid with the chemical formula HNO3. Its aqueous solution is commonly known as nitric acid water or ammonia nitrogen water. Pure nitric acid is a colorless and transparent liquid, and concentrated nitric acid is a light yellow liquid. Under normal circumstances, it is a colorless and transparent liquid with a suffocating and irritating odor. Nitric acid is mainly used in the production of fertilizers, pesticides, explosives, dyes, salts, etc. During the use of nitric acid, in order to reduce its concentration, reduce danger, meet specific needs, and ensure safety and the smooth progress of experiments, it is usually necessary to dilute the nitric acid.

[0003] In the process of diluting nitric acid, in order to control the ratio of nitric acid and water, the nitric acid and water need to be weighed when controlling the ratio, which leads to more steps in the dilution of nitric acid and a slower preparation speed, thus affecting the efficiency of the dilution of nitric acid.

[0004] To this end, the utility model provides a nitric acid dilution device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a nitric acid dilution device described in the utility model comprises a collecting rack; a processing tank is fixedly connected to the top of the collecting rack; a dilution chamber is opened inside the processing tank; a rotating shaft is rotatably connected inside the dilution chamber; a sealing plate is fixedly connected to the side wall of the rotating shaft; a feed port is opened on the top of the processing tank; the sealing plate and the feed port are arranged correspondingly; a feed funnel is placed inside the feed port; an electromagnetic valve is installed inside the processing tank, and the electromagnetic valve is arranged at a position corresponding to the collecting rack and the processing tank; the collection of nitric acid can be made more convenient.

[0007] Preferably, a sliding frame is fixedly connected to the bottom of the feed funnel; a plurality of first feed ports are opened at the bottom of the sliding frame, and the first feed ports are regularly arranged in a circular array inside the sliding frame; a blocking slider is slidably connected to the inside of the sliding frame; a spring is fixedly connected between the top of the blocking slider and the inner side wall of the sliding frame; a pushing block is fixedly connected to the bottom of the feed port of the treatment tank; the pushing block is arranged at the position corresponding to the first feed port; the recovery of nitric acid can be made more convenient.

[0008] Preferably, a plurality of stirring blades are fixedly connected to the side wall of the rotating shaft; the stirring blades are regularly arranged in a circular array on the side wall of the rotating shaft; this allows the nitric acid and water to be mixed more evenly when the nitric acid is diluted.

[0009] Preferably, a guide frame is fixedly connected to the inside of the dilution chamber; the guide frame is arranged at the bottom position of the corresponding treatment tank feed port; the bottom of the guide frame is threadedly connected with a guide rod; a plurality of second feed ports are opened inside the guide frame; the second feed port is arranged at the position corresponding to the guide rod; the violent reaction and dangerous situation between nitric acid and water can be effectively avoided.

[0010] Preferably, a push-pull plate is slidably fitted inside the collection rack; a placement groove is provided on the top of the push-pull plate; this enables the container to be placed inside the collection rack more stably and conveniently.

[0011] Preferably, a guide block is fixed to the bottom of the push-pull plate; the guide block is slidably fitted in an internal position of the collecting rack; this can reduce the tilting of the push-pull plate during sliding, making the sliding of the push-pull plate more stable.

[0012] Preferably, a positioning block is fixedly connected to the side wall of the rotating shaft; the positioning block is slidably connected to the inner position of the processing tank; so that the rotating shaft can be more stable when rotating.

[0013] Preferably, a plurality of anti-wear balls are provided between the processing tank and the positioning block; the side walls of the anti-wear balls are in contact with the side walls of the processing tank and the positioning block; thus, the wear between the processing tank and the positioning block can be reduced.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The nitric acid dilution device described in the utility model adds nitric acid into the inside of the feed funnel, and drives the rotating shaft to rotate through a driving motor, so that the rotating shaft drives the sealing plate to rotate, thereby the feed port of the processing tank can be opened, and the opening time of the feed port can be controlled, that is, the structural design that can control the amount of nitric acid added realizes the function of making it more convenient to control the amount of nitric acid added, and effectively solves the problem that when controlling the ratio, nitric acid and water need to be weighed, resulting in more steps for nitric acid dilution, slower preparation speed, and affecting the efficiency of nitric acid dilution.

[0016] 2. The nitric acid dilution device described in the utility model can push the blocking slider inside the sliding frame to open the first feed port by arranging a pushing block at the bottom of the feed port, so that the nitric acid can enter the dilution chamber through the first feed port. When the nitric acid is added, the feed funnel can be picked up. After the blocking slider is separated from the pushing block, the blocking slider can be pushed by the spring to block the first feed port. The structural design realizes the function of preventing nitric acid from leaking and makes the recovery of nitric acid more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is a cross-sectional view of the collecting rack in the utility model;

[0020] Figure 3 It is a cross-sectional view of the processing tank in the utility model;

[0021] Figure 4 It is a cross-sectional view of the feed funnel in the utility model;

[0022] Figure 5 yes Figure 4 A partial enlarged view of the middle A;

[0023] Figure 6 It is a partial structural schematic diagram of the push-pull plate in the utility model;

[0024] Figure 7 It is a partial structural schematic diagram of the rotating shaft in the utility model.

[0025] In the figure: 1. collecting rack; 2. processing tank; 3. dilution chamber; 4. rotating shaft; 5. sealing plate; 6. feeding funnel; 7. pushing block; 8. sliding rack; 9. first feeding port; 10. sealing slider; 11. stirring blade; 12. guide rack; 13. guide rod; 14. second feeding port; 15. push-pull plate; 16. placement slot; 17. guide block; 18. positioning block; 19. anti-wear ball bearing. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] Specific examples are given below.

[0028] like Figures 1 to 3 As shown, a nitric acid dilution device described in an embodiment of the utility model comprises a collecting rack 1; a processing tank 2 is fixedly connected to the top of the collecting rack 1; a dilution chamber 3 is provided inside the processing tank 2; a rotating shaft 4 is rotatably connected inside the dilution chamber 3; a sealing plate 5 is fixedly connected to the side wall of the rotating shaft 4; a feed port is provided on the top of the processing tank 2; the sealing plate 5 is arranged corresponding to the feed port; a feed funnel 6 is placed inside the feed port; a solenoid valve is installed inside the processing tank 2, and the solenoid valve is arranged at a position corresponding to the collecting rack 1 and the processing tank 2; during operation, when nitric acid needs to be diluted, firstly, the collection container is placed inside the collecting rack 1 , then place the feed funnel 6 inside the feed port of the treatment tank 2, and inject a proper amount of water into the dilution chamber 3 through the feed funnel 6. After the water is added, inject nitric acid into the feed funnel 6, and drive the rotating shaft 4 to rotate through the driving motor, so that the rotating shaft 4 drives the sealing plate 5 to rotate, so that the feed port of the treatment tank 2 can be opened, so that nitric acid flows into the dilution chamber 3. By controlling the opening time of the sealing plate 5, the amount of nitric acid added can be controlled, making it more convenient to control the injection amount of nitric acid. After the dilution is completed, the solenoid valve can be opened to make the diluted nitric acid flow into the container placed inside the collection rack 1, so that the collection of nitric acid can be more convenient.

[0029] like Figures 3 to 5 As shown, a sliding frame 8 is fixedly connected to the bottom of the feed hopper 6; a plurality of first feed ports 9 are provided at the bottom of the slide frame 8, and the first feed ports 9 are regularly arranged in a circular array inside the slide frame 8; a blocking slider 10 is slidably connected inside the slide frame 8; a spring is fixedly connected between the top of the blocking slider 10 and the inner side wall of the slide frame 8; a push block 7 is fixedly connected to the bottom of the feed port of the processing tank 2; the push block 7 is arranged at a position corresponding to the first feed port 9; when the feed hopper 6 is in operation, After being placed inside the feed port, by setting a pushing block 7 at the bottom of the feed port, the blocking slider 10 inside the sliding frame 8 can be pushed to open the first feed port 9, so that nitric acid can enter the dilution chamber 3 through the first feed port 9. When the nitric acid is added, the feed funnel 6 can be picked up. After the blocking slider 10 is separated from the pushing block 7, the blocking slider 10 can be pushed by the spring to block the first feed port 9 to prevent nitric acid from leaking out, thereby making the recovery of nitric acid more convenient.

[0030] like Figure 2As shown, a plurality of stirring blades 11 are fixedly connected to the side wall of the rotating shaft 4; the stirring blades 11 are regularly arranged in a circular array on the side wall of the rotating shaft 4; during operation, during the rotation of the rotating shaft 4, the stirring blades 11 are arranged on the side wall of the rotating shaft 4, so that the water and nitric acid inside the dilution chamber 3 can be stirred, so that when the nitric acid is diluted, the mixing of nitric acid and water can be more uniform.

[0031] like Figure 2 , Figure 3 and Figure 5 As shown, a guide frame 12 is fixedly connected to the inside of the dilution chamber 3; the guide frame 12 is arranged at the bottom position of the corresponding processing tank 2 feed port; the bottom of the guide frame 12 is threadedly connected with a guide rod 13; a plurality of second feed ports 14 are opened inside the guide frame 12; the second feed ports 14 are arranged at the positions corresponding to the guide rods 13; during operation, when nitric acid enters the inside of the dilution chamber 3 through the feed port, it will fall into the inside of the guide frame 12 and flow down through the second feed port 14. By arranging the guide rod 13 at the bottom of the guide frame 12, the nitric acid can be guided, thereby effectively avoiding violent reactions and dangerous situations between nitric acid and water.

[0032] like Figure 1 and Figure 6 As shown, the collection rack 1 is slidably fitted with a push-pull plate 15 inside; a placement slot 16 is provided on the top of the push-pull plate 15; during operation, when a container needs to be placed inside the collection rack 1, the push-pull plate 15 can be pulled out, and then the container is placed inside the placement slot 16, and then the push-pull plate 15 is sent into the collection rack 1, so that the container can be placed inside the collection rack 1 more stably and conveniently.

[0033] like Figure 6 As shown, a guide block 17 is fixed to the bottom of the push-pull plate 15; the guide block 17 is slidably fitted in the internal position of the collection rack 1; during operation, when the push-pull plate 15 is drawn in or sent into the interior of the collection rack 1, the collection rack 1 slides with the guide block 17, so that the push-pull plate 15 is less likely to tilt during the sliding process, making the sliding of the push-pull plate 15 more stable.

[0034] like Figure 7 As shown, a positioning block 18 is fixedly connected to the side wall of the rotating shaft 4; the positioning block 18 is slidably connected to the internal position of the processing tank 2; during operation, when the rotating shaft 4 rotates inside the processing tank 2, by arranging the positioning block 18 on the side wall of the rotating shaft 4 and limiting the rotation of the positioning block 18 through the processing tank 2, the rotating shaft 4 can be made more stable during rotation.

[0035] like Figure 7As shown, a plurality of anti-wear balls 19 are arranged between the processing tank 2 and the positioning block 18; the side walls of the anti-wear balls 19 are in contact with the side walls of the processing tank 2 and the positioning block 18; during operation, when the positioning block 18 rotates inside the processing tank 2, by arranging the anti-wear balls 19 between the processing tank 2 and the positioning block 18, the sliding friction between the processing tank 2 and the positioning block 18 can be converted into rolling friction, so that the friction force between the processing tank 2 and the positioning block 18 is smaller, thereby reducing the wear between the processing tank 2 and the positioning block 18.

[0036] During operation, when nitric acid needs to be diluted, first place the collection container inside the collection rack 1, then place the feed funnel 6 inside the feed port of the treatment tank 2, and inject a proper amount of water into the dilution chamber 3 through the feed funnel 6. After the water is added, nitric acid is injected into the feed funnel 6, and the driving motor drives the rotating shaft 4 to rotate, so that the rotating shaft 4 drives the sealing plate 5 to rotate, so that the feed port of the treatment tank 2 can be opened, so that nitric acid flows into the dilution chamber 3. By controlling the opening time of the sealing plate 5, the amount of nitric acid added can be controlled, making it more convenient to control the injection amount of nitric acid. After the dilution is completed, the solenoid valve can be opened to allow the diluted nitric acid to flow into the container placed inside the collection rack 1, thereby making it more convenient to collect nitric acid.

[0037] After the feed funnel 6 is placed inside the feed port, a pushing block 7 is arranged at the bottom of the feed port, so that the blocking slider 10 inside the sliding frame 8 can be pushed to open the first feed port 9, thereby allowing nitric acid to enter the dilution chamber 3 through the first feed port 9. When the nitric acid is added, the feed funnel 6 can be picked up, and after the blocking slider 10 is separated from the pushing block 7, the blocking slider 10 can be pushed by the spring to block the first feed port 9 to prevent nitric acid from leaking out, thereby making the recovery of nitric acid more convenient.

[0038] During the rotation of the rotating shaft 4, the stirring blades 11 are arranged on the side wall of the rotating shaft 4, so that the water and nitric acid in the dilution chamber 3 can be stirred, so that when the nitric acid is diluted, the nitric acid and water are mixed more evenly.

[0039] When nitric acid enters the dilution chamber 3 through the feed port, it will fall into the guide frame 12 and flow down through the second feed port 14. By arranging a guide rod 13 at the bottom of the guide frame 12, the nitric acid can be guided, thereby effectively avoiding violent reactions and dangerous situations between nitric acid and water.

[0040] When it is necessary to place the container inside the collection rack 1, the push-pull plate 15 can be pulled out, and then the container is placed inside the placement groove 16, and the push-pull plate 15 is sent into the collection rack 1, so that the container can be placed inside the collection rack 1 more stably and conveniently.

[0041] When the push-pull plate 15 is drawn into or sent into the interior of the collecting rack 1, the sliding cooperation of the collecting rack 1 with the guide block 17 can make the push-pull plate 15 less inclined during the sliding process, making the sliding of the push-pull plate 15 more stable.

[0042] When the rotating shaft 4 rotates inside the processing tank 2, by providing a positioning block 18 on the side wall of the rotating shaft 4 and limiting the rotation of the positioning block 18 through the processing tank 2, the rotating shaft 4 can be made more stable during rotation.

[0043] When the positioning block 18 rotates inside the processing tank 2, by arranging the anti-wear ball 19 between the processing tank 2 and the positioning block 18, the sliding friction between the processing tank 2 and the positioning block 18 can be converted into rolling friction, so that the friction force between the processing tank 2 and the positioning block 18 is smaller, thereby reducing the wear between the processing tank 2 and the positioning block 18.

[0044] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A nitric acid dilution device, characterized in that: The invention comprises a collecting rack (1); a processing tank (2) is fixedly connected to the top of the collecting rack (1); a dilution chamber (3) is provided inside the processing tank (2); a rotating shaft (4) is rotatably connected inside the dilution chamber (3); a sealing plate (5) is fixedly connected to the side wall of the rotating shaft (4); a feed port is provided at the top of the processing tank (2); the sealing plate (5) and the feed port are arranged correspondingly; a feed funnel (6) is placed inside the feed port; an electromagnetic valve is installed inside the processing tank (2), and the electromagnetic valve is arranged at a position corresponding to the collecting rack (1) and the processing tank (2).

2. A nitric acid dilution device according to claim 1, characterized in that: A sliding frame (8) is fixedly connected to the bottom of the feed funnel (6); a plurality of first feed ports (9) are opened at the bottom of the sliding frame (8), and the first feed ports (9) are regularly arranged in a circular array inside the sliding frame (8); a blocking slider (10) is slidably connected to the inside of the sliding frame (8); a spring is fixedly connected between the top of the blocking slider (10) and the inner side wall of the sliding frame (8); a pushing block (7) is fixedly connected to the bottom of the feed port of the processing tank (2); the pushing block (7) is arranged at a position corresponding to the first feed port (9).

3. A nitric acid dilution device according to claim 2, characterized in that: A plurality of stirring blades (11) are fixedly connected to the side wall of the rotating shaft (4); the stirring blades (11) are regularly arranged in a circular array on the side wall of the rotating shaft (4).

4. A nitric acid dilution device according to claim 3, characterized in that: A flow guide frame (12) is fixedly connected to the inside of the dilution chamber (3); the flow guide frame (12) is arranged at the bottom position of the corresponding processing tank (2) feed port; the bottom of the flow guide frame (12) is threadedly connected to a flow guide rod (13); a plurality of second feed ports (14) are opened inside the flow guide frame (12); the second feed ports (14) are arranged at the positions corresponding to the flow guide rods (13).

5. A nitric acid dilution device according to claim 4, characterized in that: A push-pull plate (15) is slidably fitted inside the collecting rack (1); a placement groove (16) is provided on the top of the push-pull plate (15).

6. A nitric acid dilution device according to claim 5, characterized in that: A guide block (17) is fixedly connected to the bottom of the push-pull plate (15); the guide block (17) is slidably fitted at an internal position of the collection rack (1).

7. A nitric acid dilution device according to claim 6, characterized in that: A positioning block (18) is fixedly connected to the side wall of the rotating shaft (4); the positioning block (18) is slidably connected to an inner position of the processing tank (2).

8. A nitric acid dilution device according to claim 7, characterized in that: A plurality of anti-wear balls (19) are arranged between the processing tank (2) and the positioning block (18); the side walls of the anti-wear balls (19) are in contact with the side walls of the processing tank (2) and the positioning block (18).

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