Chlorine-containing waste sulfuric acid recovery treatment device

Abstract

The utility model discloses a chlorine-containing waste sulfuric acid recovery treatment device which comprises a treatment box, the side wall of the treatment box is vertically and fixedly connected with a connecting seat, the connecting seat is vertically and fixedly connected with an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly connected with a fixing plate, and the upper surface of the fixing plate is detachably provided with a collecting barrel. And the side wall of the collecting barrel is fixedly connected with a sealing element which is propped against the inner wall surface of the treatment box. The utility model relates to the technical field of waste sulfuric acid recovery. According to the chlorine-containing waste sulfuric acid recovery treatment device, silver sulfate in the collecting barrel is stirred, follow-up discharging is facilitated, after silver sulfate is generated, an electric telescopic rod can extend to drive a fixing plate to descend, the collecting barrel is moved to the outside of the treatment box, workers can detach the collecting barrel, and the labor intensity of workers is relieved. And the silver sulfate collected in the collecting barrel is discharged, the discharging operation is simple and rapid, and the discharging efficiency of the silver sulfate in the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste sulfuric acid recovery, in particular to a chlorine-containing waste sulfuric acid recovery and treatment device. Background Art

[0002] In the chlor-alkali industry, chlorine is produced by electrolyzing brine, which simultaneously produces large amounts of hydrogen and waste sulfuric acid. This waste sulfuric acid often contains a certain amount of chlorine, forming chlorine-containing waste sulfuric acid. Furthermore, chlorine-containing waste sulfuric acid may also be produced during the drying and absorption processes of chlorine.

[0003] In the prior art, in the process of recovering and treating chlorine-containing waste sulfuric acid, it is necessary to add ammonium sulfate to the silver nitrate solution and heat it to obtain silver sulfate. However, in the existing chlorine-containing waste sulfuric acid recovery and treatment device, after obtaining the silver sulfate, the material removal operation is relatively inconvenient, and the material discharge operation from the inside of the device is cumbersome, which is not conducive to the recovery and treatment of chlorine-containing waste sulfuric acid. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a chlorine-containing waste sulfuric acid recovery and treatment device, which solves the problems of the existing chlorine-containing waste sulfuric acid recovery and treatment device, that is, after obtaining silver sulfate, the material collection operation is relatively inconvenient and the material discharge operation from the inside of the device is cumbersome.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a chlorine-containing waste sulfuric acid recovery and treatment device, comprising a treatment box, the side wall of the treatment box is vertically fixedly connected to a connecting seat, the connecting seat is vertically fixedly connected to an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly connected to a fixing plate, the upper surface of the fixing plate is detachably provided with a collecting cylinder, the side wall of the collecting cylinder is fixedly connected to a sealing member that contacts the inner wall of the treatment box, and the bottom inner cavity of the inner wall of the sealing member is provided with a heating plate;

[0006] The inner cavity of the processing box is provided with a rotating rod which is rotated by a driving mechanism, the bottom end of the rotating rod is provided with a stirring structure, the side wall of the rotating rod is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with a scraper in contact with the inner wall surface of the processing box.

[0007] Furthermore, the driving mechanism includes a heat insulation cover, a shell and a motor, the heat insulation cover is fixedly connected to the top of the processing box, the shell is fixedly connected to the top of the heat insulation cover, the motor is vertically fixedly connected to the inner cavity of the shell, and the top end of the rotating rod is rotatably connected to the inner cavity of the shell and fixedly connected to the output shaft of the heat insulation cover.

[0008] Furthermore, the stirring structure includes a horizontal plate and several stirring plates, the horizontal plate is fixedly connected to the bottom end of the rotating rod, and the multiple stirring plates are fixedly connected to the lower surface of the horizontal plate and are arranged in a circular and evenly spaced manner along the lower surface of the horizontal plate, and the surface of the stirring plate is provided with an opening.

[0009] Furthermore, a bolt is vertically fixedly connected to the bottom of the collecting cylinder, and the bottom end of the bolt is pulled through the upper surface of the fixing plate and is threadedly connected with a nut.

[0010] Furthermore, a feed pipe is vertically connected to the top of the side wall of the processing box, and a piston is detachably connected to the top end of the feed pipe.

[0011] Furthermore, the top of the processing box is vertically connected with a liquid injection pipe, and the top end of the liquid injection pipe is provided with a flange.

[0012] Furthermore, an inspection cover is detachably connected to the surface of the shell, a heat dissipation port is provided on the surface of the inspection cover, and an observation window is provided on the surface of the processing box.

[0013] Compared with the prior art, the beneficial effect of the present invention is that after adding silver nitrate solution and ammonium sulfate into the inner cavity of the treatment box, the heating plate can heat the mixed solution to obtain silver sulfate, and after the rotating rod is rotated, the mixed solution is stirred by the stirring structure to improve the heating effect of the mixed solution and the efficiency of silver sulfate production. The connection of the connecting rod can drive the scraper to rotate to scrape off the silver sulfate on the inner wall of the treatment box, improve the discharging effect, and stir the silver sulfate inside the collecting tube, which is beneficial to the subsequent discharging. After the production is completed, the electric telescopic rod can be extended to drive the fixed plate to descend, and move it to the outside of the treatment box through the collecting tube. The staff can disassemble the collecting tube and discharge the silver sulfate collected in the collecting tube. The discharging operation is simple and fast, which improves the discharge efficiency of the silver sulfate inside the device and is beneficial to the recovery and processing of waste sulfuric acid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0015] Figure 2 This is a front cross-sectional structural diagram of the present utility model;

[0016] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0017] In the figure: 1. Processing box; 2. Feed pipe; 3. Piston; 4. Liquid injection pipe; 5. Heat insulation cover; 6. Housing; 7. Motor; 8. Rotating rod; 9. Connecting rod; 10. Scraper; 11. Horizontal plate; 12. Stirring plate; 13. Connecting seat; 14. Electric telescopic rod; 15. Fixed plate; 16. Collecting cylinder; 17. Heating plate; 18. Bolt; 19. Nut; 20. Seal; 21. Observation window; 22. Inspection cover. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-3 The utility model provides a technical solution: a chlorine-containing waste sulfuric acid recovery and treatment device, including a treatment box 1, the side wall of the treatment box 1 is vertically fixedly connected with a connecting seat 13, the connecting seat 13 is vertically fixedly connected with an electric telescopic rod 14, and the bottom end of the electric telescopic rod 14 is fixedly connected with a fixing plate 15.

[0020] The upper surface of the fixing plate 15 is detachably provided with a collecting cylinder 16 , the side wall of which is fixedly connected with a sealing member 20 that contacts the inner wall of the processing box 1 , and the bottom inner cavity of the inner wall of the sealing member 20 is provided with a heating plate 17 .

[0021] The inner cavity of the processing box 1 is provided with a rotating rod 8 which is rotated by a driving mechanism. The bottom end of the rotating rod 8 is provided with a stirring structure. The side wall of the rotating rod 8 is fixedly connected with a connecting rod 9. The other end of the connecting rod 9 is fixedly connected with a scraper 10 which contacts the inner wall surface of the processing box 1.

[0022] After the silver nitrate solution and ammonium sulfate are added to the inner cavity of the treatment box 1, the heating plate 17 can be operated to heat the mixed solution to obtain silver sulfate. After the rotating rod 8 is rotated, the stirring structure is used to stir the mixed solution to improve the heating effect of the mixed solution and improve the efficiency of silver sulfate production.

[0023] By utilizing the connection of the connecting rod 9, the scraper 10 is driven to rotate to scrape off the silver sulfate on the inner wall of the processing box 1, thereby improving the discharge effect, and stirring the silver sulfate inside the collecting cylinder 16, which is beneficial to subsequent discharge.

[0024] After the production is completed, the electric telescopic rod 14 can be extended to drive the fixed plate 15 to descend, and the collecting tube 16 can be moved to the outside of the processing box 1. The staff can then disassemble the collecting tube 16 and discharge the silver sulfate collected inside the collecting tube 16. The discharging operation is simple and fast, which improves the discharge efficiency of the silver sulfate inside the device and is beneficial to the recovery and processing of waste sulfuric acid.

[0025] The driving mechanism includes a heat insulation cover 5, an outer shell 6 and a motor 7. The heat insulation cover 5 is fixedly connected to the top of the processing box 1, the outer shell 6 is fixedly connected to the top of the heat insulation cover 5, the motor 7 is vertically fixedly connected to the inner cavity of the outer shell 6, and the top end of the rotating rod 8 is rotatably connected to the inner cavity of the outer shell 6 and fixedly connected to the output shaft of the heat insulation cover 5.

[0026] The heat insulation cover 5 provides heat insulation, thereby improving the protection of the motor 7, extending the service life of the motor 7, and reducing the maintenance cost of the device.

[0027] The stirring structure includes a horizontal plate 11 and several stirring plates 12. The horizontal plate 11 is fixedly connected to the bottom end of the rotating rod 8. The multiple stirring plates 12 are fixedly connected to the lower surface of the horizontal plate 11 and are evenly spaced in a ring along the lower surface of the horizontal plate 11. Openings are opened on the surface of the stirring plates 12.

[0028] After the rotating rod 8 drives the horizontal plate 11 to rotate, it can drive the stirring plate 12 to rotate, stirring the silver sulfate inside the collecting cylinder 16, and the opening reduces the resistance of stirring.

[0029] The bottom of the collecting cylinder 16 is vertically fixedly connected with a bolt 18 , the bottom end of the bolt 18 is pulled through the upper surface of the fixing plate 15 and is threadedly connected with a nut 19 .

[0030] After removing the nut 19 , the collecting barrel 16 can be removed from the upper surface of the fixing plate 15 , which is convenient for subsequent discharging operations.

[0031] The top of the side wall of the treatment box 1 is vertically connected with a feed pipe 2, and the top end of the feed pipe 2 is detachably connected with a piston 3. After the piston 3 is removed, ammonium sulfate can be heated into the inner cavity of the treatment box 1 through the feed pipe 2.

[0032] The top of the processing box 1 is vertically connected to an injection pipe 4, and a flange is provided on the top of the injection pipe 4. After the flange is connected to the external equipment, the recovered silver nitrate solution can be injected into the inner cavity of the processing box 1 through the injection pipe 4.

[0033] An inspection cover 22 is detachably connected to the surface of the housing 6 , a heat dissipation port is provided on the surface of the inspection cover 22 , and an observation window 21 is provided on the surface of the processing box 1 .

[0034] During operation, after adding silver nitrate solution and ammonium sulfate into the inner cavity of the treatment box 1, the heating plate 17 can be operated to heat the mixed solution to obtain silver sulfate. After the rotating rod 8 is rotated, the mixed solution is stirred by the stirring structure to improve the heating effect of the mixed solution and the efficiency of silver sulfate production. The connection of the connecting rod 9 is used to drive the scraper 10 to rotate to scrape off the silver sulfate on the inner wall surface of the treatment box 1, thereby improving the discharging effect, and stirring the silver sulfate inside the collecting tube 16 to facilitate subsequent discharging. After the production is completed, the electric telescopic rod 14 can be extended to drive the fixed plate 15 to descend, and move to the outside of the treatment box 1 through the collecting tube 16. The staff can then disassemble the collecting tube 16 and perform the discharging operation on the silver sulfate collected inside the collecting tube 16.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A chlorine-containing waste sulfuric acid recovery and treatment device, comprising a treatment box (1), characterized in that: The side wall of the processing box (1) is vertically fixedly connected to a connecting seat (13), the connecting seat (13) is vertically fixedly connected to an electric telescopic rod (14), the bottom end of the electric telescopic rod (14) is fixedly connected to a fixing plate (15), the upper surface of the fixing plate (15) is detachably provided with a collecting cylinder (16), the side wall of the collecting cylinder (16) is fixedly connected to a sealing member (20) that contacts the inner wall surface of the processing box (1), and the bottom inner cavity of the inner wall of the sealing member (20) is provided with a heating plate (17); The inner cavity of the processing box (1) is provided with a rotating rod (8) which is rotated by a driving mechanism, the bottom end of the rotating rod (8) is provided with a stirring structure, the side wall of the rotating rod (8) is fixedly connected to a connecting rod (9), and the other end of the connecting rod (9) is fixedly connected to a scraper (10) which contacts the inner wall surface of the processing box (1).

2. A chlorine-containing waste sulfuric acid recovery and treatment device according to claim 1, characterized in that: The driving mechanism comprises a heat shield (5), a shell (6) and a motor (7); the heat shield (5) is fixedly connected to the top of the processing box (1); the shell (6) is fixedly connected to the top of the heat shield (5); the motor (7) is vertically fixedly connected to the inner cavity of the shell (6); the top end of the rotating rod (8) is rotatably connected to the inner cavity of the shell (6) and is fixedly connected to the output shaft of the heat shield (5).

3. The chlorine-containing waste sulfuric acid recovery and treatment device according to claim 1, characterized in that: The stirring structure comprises a transverse plate (11) and a plurality of stirring plates (12), wherein the transverse plate (11) is fixedly connected to the bottom end of the rotating rod (8), and the plurality of stirring plates (12) are fixedly connected to the lower surface of the transverse plate (11) and are arranged in a circular manner and evenly spaced along the lower surface of the transverse plate (11), and the surface of the stirring plates (12) is provided with openings.

4. The device for recovering and treating chlorine-containing waste sulfuric acid according to claim 1, wherein: The bottom of the collecting cylinder (16) is vertically fixedly connected with a bolt (18), the bottom end of the bolt (18) is pulled through the upper surface of the fixing plate (15) and is threadedly connected with a nut (19).

5. The device for recovering and treating chlorine-containing waste sulfuric acid according to claim 1, wherein: The top of the side wall of the processing box (1) is vertically connected to a feed pipe (2), and the top end of the feed pipe (2) is detachably connected to a piston (3).

6. The device for recovering and treating chlorine-containing waste sulfuric acid according to claim 1, wherein: The top of the processing box (1) is vertically connected to a liquid injection pipe (4), and a flange is provided at the top end of the liquid injection pipe (4).

7. The device for recovering and treating chlorine-containing waste sulfuric acid according to claim 2, wherein: The surface of the housing (6) is detachably connected to an inspection cover (22), a heat dissipation port is provided on the surface of the inspection cover (22), and an observation window (21) is provided on the surface of the processing box (1).

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