Sulfuric acid concentration device

Abstract

The utility model discloses a sulfuric acid concentration device which comprises a bottom plate, the upper side of the bottom plate is fixedly connected with a sulfuric acid concentration barrel and a gas cooling box respectively, the inner side of the sulfuric acid concentration barrel is provided with a stirring mechanism, an exhaust pipe is connected between the sulfuric acid concentration barrel and the gas cooling box, the outer side of the exhaust pipe is connected with an air pump, and the air pump is connected with an air outlet. The top of the sulfuric acid concentration barrel is connected with a sulfuric acid inlet, one side of the gas cooling box is fixedly connected with a cooling liquid box, the inner side of the gas cooling box is provided with a cooling mechanism, the lower end of the sulfuric acid concentration barrel is connected with a concentrated solution discharge pipe, and one end of the concentrated solution discharge pipe is connected with a concentrated solution placing barrel; the bottom of the gas cooling box is connected with a liquid outlet pipe, and one end of the liquid outlet pipe is connected with a waste liquid barrel. Compared with the prior art, the sulfuric acid concentration device provided by the utility model has the advantage of being capable of treating water vapor generated by concentration.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical processing, in particular to a sulfuric acid concentration device. Background Art

[0002] Sulfuric acid has characteristics such as high boiling point, strong acidity, strong corrosiveness and strong oxidizing property. It has a wide range of uses in industry. Concentrated sulfuric acid has strong water absorption. The sulfuric acid after use usually has a reduced concentration or becomes dilute sulfuric acid containing impurities and cannot be used for production continuously. The sulfuric acid used in many industrial processes is finally disposed of as waste acid or discharged after simple treatment, causing serious problems of resource waste and environmental pollution.

[0003] The patent with the publication number CN218106750U discloses a sulfuric acid concentration system device, which aims to solve the technical problems that the existing sulfuric acid needs to be concentrated and purified during the processing, and the current purification device is not convenient for the staff to operate, which will affect the normal operation of the work.

[0004] The disadvantages of the patents in the prior art: A large amount of heat is carried in the water vapor evaporated during the concentration of sulfuric acid in the prior art. Directly discharging the water vapor into the air will harm the respiratory tract of the staff and may affect the physical health of the staff. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a sulfuric acid concentration device that can handle the water vapor generated by concentration.

[0006] To solve the above problems, the technical solution of the utility model is: A sulfuric acid concentration device, including a bottom plate, on the upper side of the bottom plate are respectively fixedly connected with a sulfuric acid concentration barrel and a gas cooling box. Inside the sulfuric acid concentration barrel is provided with a stirring mechanism, and between the sulfuric acid concentration barrel and the gas cooling box is connected with an exhaust pipe. The outside of the exhaust pipe is connected with an air pump. The top of the sulfuric acid concentration barrel is connected with a sulfuric acid inlet. On one side of the gas cooling box is fixedly connected with a coolant tank. Inside the gas cooling box is provided with a cooling mechanism. The lower end of the sulfuric acid concentration barrel is connected with a concentrated liquid discharge pipe, one end of the concentrated liquid discharge pipe is connected with a concentrated liquid storage barrel, the bottom of the gas cooling box is connected with a liquid outlet pipe, and one end of the liquid outlet pipe is connected with a waste liquid barrel.

[0007] Further, the stirring mechanism includes a stirring motor, the stirring motor is connected to the top of the sulfuric acid concentration barrel, and the output end of the stirring motor is fixedly connected with a rotating shaft, and a plurality of stirring rods are fixedly connected to the outside of the rotating shaft.

[0008] Further, a plurality of heaters are connected to the inner wall of the sulfuric acid concentration barrel.

[0009] Furthermore, the cooling mechanism includes a main pipe connected to one side of the inner wall of the gas cooling box. Three branch pipes are connected to one side of the main pipe, and rotary spray heads are respectively connected to one side of the three branch pipes.

[0010] Furthermore, solenoid valves are respectively connected to the outside of the sulfuric acid concentration barrel and the gas cooling box.

[0011] Furthermore, support legs are respectively and fixedly connected to the four peripheries of the bottom side of the bottom plate.

[0012] Furthermore, flow guiding plates are provided at the inner bottom ends of the sulfuric acid concentration barrel and the gas cooling box.

[0013] The advantages of the present utility model compared with the existing technology are as follows: Through the set cooling mechanism, the water vapor generated after sulfuric acid concentration is pumped out by an air pump, and the gas is discharged into the interior of the gas cooling box through an exhaust pipe. At this time, the coolant in the coolant tank enters into the three rotary spray heads through the main pipe and the branch pipes, and the coolant sprays the water vapor in a spray manner to achieve the cooling of the water vapor, avoiding the harm to the respiratory tract of the staff caused by the discharge of water vapor into the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional Figure 1 .

[0015] Figure 2 is a three-dimensional Figure 2 .

[0016] Figure 3 is a three-dimensional Figure 3 .

[0017] As shown in the figure: 1. Bottom plate; 2. Sulfuric acid concentration barrel; 3. Gas cooling box; 4. Stirring mechanism; 401. Stirring motor; 402. Rotating shaft; 403. Stirring rod; 5. Exhaust pipe; 6. Air pump; 7. Sulfuric acid inlet; 8. Coolant tank; 9. Cooling mechanism; 901. Main pipe; 902. Branch pipe; 903. Rotary spray head; 10. Concentrated liquid discharge pipe; 11. Concentrated liquid storage barrel; 12. Liquid outlet pipe; 13. Waste liquid barrel; 14. Heater; 15. Solenoid valve; 16. Support leg. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following further describes the specific embodiments of the present utility model with reference to the drawings. The same components are denoted by the same reference numerals.

[0019] It should be noted that the terms "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the attached drawings, and the terms "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component respectively.

[0020] In order to make the content of the present utility model easier to be clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0021] As Figures 1 to 3 shown, a sulfuric acid concentration device includes a bottom plate 1. On the upper side of the bottom plate 1, a sulfuric acid concentration barrel 2 and a gas cooling box 3 are respectively fixedly connected. A stirring mechanism 4 is arranged inside the sulfuric acid concentration barrel 2. An exhaust pipe 5 is connected between the sulfuric acid concentration barrel 2 and the gas cooling box 3. An air pump 6 is connected to the outside of the exhaust pipe 5. A sulfuric acid inlet 7 is connected to the top of the sulfuric acid concentration barrel 2. A coolant tank 8 is fixedly connected to one side of the gas cooling box 3. A cooling mechanism 9 is arranged inside the gas cooling box 3. A concentrated liquid discharge pipe 10 is connected to the lower end of the sulfuric acid concentration barrel 2. One end of the concentrated liquid discharge pipe 10 is connected to a concentrated liquid storage barrel 11. An outlet pipe 12 is connected to the bottom of the gas cooling box 3. One end of the outlet pipe 12 is connected to a waste liquid barrel 13. A plurality of heaters 14 are connected to the inner wall of the sulfuric acid concentration barrel 2. Solenoid valves 15 are respectively connected to the outside of the sulfuric acid concentration barrel 2 and the gas cooling box 3. Flow guiding plates 17 are arranged at the inner bottom ends of both the sulfuric acid concentration barrel 2 and the gas cooling box 3. Sulfuric acid is placed in the sulfuric acid inlet 7. While starting a plurality of heaters 14, the stirring mechanism stirs the sulfuric acid to make it heat more evenly and the concentration efficiency higher. The water vapor generated by concentrating sulfuric acid is pumped out by the air pump 6. The gas is discharged into the interior of the gas cooling box 3 through the exhaust pipe 5 and cooled by the cooling mechanism 9. The coolant and the water generated by liquefaction flow into the waste liquid barrel 13.

[0022] The stirring mechanism 4 includes a stirring motor 401. The stirring motor 401 is connected to the top of the sulfuric acid concentration barrel 2. The output end of the stirring motor 401 is fixedly connected with a rotating shaft 402. A plurality of stirring rods 403 are fixedly connected to the outside of the rotating shaft 402. Start the stirring motor 401 to drive the rotating shaft 402 to rotate by its output end, and drive a plurality of stirring rods 403 to stir the sulfuric acid.

[0023] The cooling mechanism 9 includes a main flow pipe 901, and the main flow pipe 901 is connected to one side of the inner wall of the gas cooling box 3. Three branch pipes 902 are connected to one side of the main flow pipe 901, and rotary spray heads 903 are respectively connected to one side of the three branch pipes 902. The coolant in the coolant tank 8 enters the interiors of the three rotary spray heads 903 through the main flow pipe 901 and the branch pipes 902, and the coolant sprays the water vapor in a spray manner to cool the water vapor, preventing the water vapor from being discharged into the air and harming the respiratory tracts of the staff.

[0024] Support legs 16 are respectively and fixedly connected to the four peripheries of the bottom side of the bottom plate 1.

[0025] In specific use, sulfuric acid is placed in the sulfuric acid inlet 7. While starting several heaters 14, start the stirring motor 401 so that its output end drives the rotating shaft 402 to rotate, driving several stirring rods 403 to stir the sulfuric acid, making it heat more evenly and having a higher concentration efficiency. The water vapor generated by concentrating the sulfuric acid is extracted by the air pump 6, and the gas is discharged into the gas cooling box 3 through the exhaust pipe 5 and cooled by the cooling mechanism 9 inside the gas cooling box 3. The coolant and the water generated by liquefaction flow into the waste liquid bucket 13. After concentration is completed, open the solenoid valve 15 to make the sulfuric acid flow into the concentrated liquid storage bucket 11.

[0026] The above describes the present invention and its implementation manners. Such description is not restrictive, and what is shown in the drawings is only one of the implementation manners of the present invention. The actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the creative concept of the present invention, design similar structural manners and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present invention.

Claims

1. A sulfuric acid concentration device, comprising a bottom plate (1), characterized in that: On the upper side of the bottom plate (1), a sulfuric acid concentration barrel (2) and a gas cooling box (3) are fixedly connected respectively. A stirring mechanism (4) is arranged inside the sulfuric acid concentration barrel (2), and an exhaust pipe (5) is connected between the sulfuric acid concentration barrel (2) and the gas cooling box (3). An air pump (6) is connected to the outer side of the exhaust pipe (5). A sulfuric acid inlet (7) is connected to the top of the sulfuric acid concentration barrel (2). A coolant tank (8) is fixedly connected to one side of the gas cooling box (3). A cooling mechanism (9) is arranged inside the gas cooling box (3). A concentrated liquid discharge pipe (10) is connected to the lower end of the sulfuric acid concentration barrel (2). One end of the concentrated liquid discharge pipe (10) is connected to a concentrated liquid storage barrel (11). A liquid outlet pipe (12) is connected to the bottom of the gas cooling box (3). One end of the liquid outlet pipe (12) is connected to a waste liquid barrel (13).

2. The sulfuric acid concentration device according to claim 1, characterized in that: The stirring mechanism (4) includes a stirring motor (401). The stirring motor (401) is connected to the top of the sulfuric acid concentration barrel (2), and a rotating shaft (402) is fixedly connected to the output end of the stirring motor (401). A plurality of stirring rods (403) are fixedly connected to the outer side of the rotating shaft (402).

3. The sulfuric acid concentration device according to claim 1, wherein: A plurality of heaters (14) are connected to the inner wall of the sulfuric acid concentration barrel (2).

4. The sulfuric acid concentration device according to claim 1, wherein: The cooling mechanism (9) includes a main flow pipe (901). The main flow pipe (901) is connected to one side of the inner wall of the gas cooling box (3). Three branch pipes (902) are connected to one side of the main flow pipe (901). Rotating spray heads (903) are respectively connected to one side of the three branch pipes (902).

5. The sulfuric acid concentration device according to claim 1, characterized in that: Solenoid valves (15) are respectively connected to the outer sides of the sulfuric acid concentration barrel (2) and the gas cooling box (3).

6. The sulfuric acid concentration device according to claim 1, characterized in that: Support legs (16) are fixedly connected to the four peripheries of the bottom side of the bottom plate (1).

7. The sulfuric acid concentration device according to claim 1, characterized in that: Flow guide plates (17) are arranged at the inner bottom ends of the sulfuric acid concentration barrel (2) and the gas cooling box (3).

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