Pickling waste acid purification and recovery equipment

Abstract

The utility model belongs to the technical field of wastewater treatment equipment, and particularly relates to pickling waste acid purification and recovery equipment which comprises a water outlet pipe and a medicament pipe, a first sealing disc and a second sealing disc are fixedly arranged at the ends, located in a pipe body, of a first rotating rod and a second rotating rod respectively, and a first connecting rod is fixedly arranged at one end of the first rotating rod; a rotating shaft is fixedly arranged at the output end of the servo motor through a coupler, the other end of the rotating shaft is fixedly connected to one side of a first connecting rod, a second connecting rod is fixedly arranged at one end of the second rotating rod, and a third connecting rod is rotationally arranged on one side of the second connecting rod through a rotating rod; one side of the first connecting rod is rotationally connected to one side of the third connecting rod through a rotating rod, and through cooperation of the servo motor, the first connecting rod, the second connecting rod and the third connecting rod, the first sealing disc and the second sealing disc are synchronously opened and closed, so that a chemical agent and waste acid are mixed more uniformly and react fully, and the purification effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment equipment, in particular to a device for purifying and recovering waste acid from pickling. Background Art

[0002] A diode is an electronic device made of semiconductor materials. It has the characteristics of forward conduction and reverse cutoff. It is widely used in electronic circuits. Diodes also have important applications in optoelectronics, power supplies, displays, communications, and computers. As an important member of semiconductor devices, pickling is an important process in the manufacturing process of diodes. Its main purpose is to remove pollutants and oxide layers on the surface of the diode, and passivate it to improve the electrical performance and reliability of the device.

[0003] The existing pickling waste acid purification and recovery equipment is mainly composed of the following key parts: waste acid collection tank, waste acid conveying pipeline, reagent adding pipeline, etc. Its working principle is as follows: First, the waste acid is collected by the waste acid collection system and transported to the reaction system. At the same time, an appropriate amount of chemical reagents are added to the waste acid. The waste acid and the chemical reagents are mixed and reacted to remove harmful substances in the waste acid, such as heavy metal ions, organic matter, etc. The purified waste acid can be recycled and reused, or discharged after further treatment according to emission standards.

[0004] At present, the prior art has the following disadvantages in the purification and recovery equipment of waste acid from pickling: the opening and closing of the waste acid pipeline and the chemical agent addition pipeline cannot be controlled synchronously, and the two pipelines are controlled separately, which increases the complexity of operation. At the same time, separate control is more prone to operational errors, such as misalignment of the opening or closing time points, which affects the treatment effect. Therefore, a purification and recovery equipment for waste acid from pickling is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing pickling waste acid purification and recovery equipment, the problem that the opening and closing of the waste acid pipeline and the chemical agent addition pipeline cannot be controlled synchronously is solved. The two pipeline controls are separate, which increases the complexity of operation. At the same time, separate control is also more prone to operational errors, such as the misalignment of the opening or closing time points, which affects the treatment effect. A pickling waste acid purification and recovery equipment is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model discloses a pickling waste acid purification and recovery equipment, comprising a pickling tank, wherein supporting legs are fixedly arranged at four corners of the bottom end of the pickling tank, a liquid pump is fixedly arranged on one side of the pickling tank through a fixing frame, a water suction pipe is fixedly arranged at the water suction port position of the liquid pump, the other end of the water suction pipe extends into the interior of the pickling tank, a water outlet pipe is fixedly arranged at the water outlet position of the liquid pump, a top end of one side of the circumferential surface of the water outlet pipe is fixed and connected with a pharmaceutical pipe, one side of the circumferential surface of the water outlet pipe rotates through a bearing and penetrates a first rotating rod, one side of the circumferential surface of the pharmaceutical pipe rotates through a bearing and penetrates a second rotating rod, a first sealing disk and a second sealing disk are fixedly arranged on one end of the first rotating rod and the second rotating rod located inside the tube body, and the first sealing disk and the second sealing disk are distributed in a mutually perpendicular state;

[0007] A first fixed disk is fixedly provided on one side of the circumferential surface of the water outlet pipe through a fixed frame, the first rotating rod rotates through a bearing and passes through the first fixed disk, a first connecting rod is fixedly provided on one end of the first rotating rod, a servo motor is fixedly provided on one side of the water outlet pipe through a fixed frame, a rotating shaft is fixedly provided on the output end of the servo motor through a coupling, the other end of the rotating shaft is fixedly connected to one side of the first connecting rod, a second fixed disk is fixedly provided on one side of the circumferential surface of the reagent tube through a fixed frame, the second rotating rod rotates through a bearing and passes through the second fixed disk, a second connecting rod is fixedly provided on one end of the second rotating rod, a third connecting rod is rotated on one side of the second connecting rod through the rotating rod, and one side of the first connecting rod is rotatably connected to one side of the third connecting rod through the rotating rod. Through the cooperation of the servo motor, the first connecting rod, the second connecting rod and the third connecting rod, the first sealing disk and the second sealing disk are opened and closed synchronously, so that the chemical agent and the waste acid are mixed more evenly and react fully, thereby improving the purification effect.

[0008] Preferably, two groups of limiting rods are fixedly provided on one side of the first fixed plate and the second fixed plate, and the rotation range of the first connecting rod and the second connecting rod is limited by the cooperation of the two groups of limiting rods.

[0009] Preferably, three groups of rubber sealing rings are fixedly arranged in an array on the circumferential surfaces of the first sealing disk and the second sealing disk, and the sealing performance of the first sealing disk and the second sealing disk is improved through the cooperation of the rubber sealing rings.

[0010] Preferably, a reaction tank is provided on one side of the pickling tank, one end of the water outlet pipe is fixed and penetrated into the interior of the reaction tank, a driving motor is fixedly provided at the top center of the reaction tank through a fixing frame, a rotating shaft is fixedly provided at the output end of the driving motor through a coupling, the rotating shaft rotates through a bearing and penetrates into the interior of the reaction tank, and its bottom end is rotatably provided at the bottom center of the reaction tank through a bearing, an array of stirring blades are fixedly provided on the circumferential surface of the rotating shaft, a discharge pipe is fixedly provided on one side of the bottom end of the reaction tank and penetrated, and the chemical agent and the waste liquid are stirred by the cooperation of the driving motor, the rotating shaft and the stirring blades to make them fully mixed and react to improve the purification effect.

[0011] Preferably, a recovery box is provided at the bottom end of the reaction tank, the bottom end of the drain pipe is fixed and passes through the internal setting of the recovery box, the reaction tank is fixedly set at the top of the recovery box by a fixing frame arranged at the bottom end, a slag discharge port is opened on one side of the recovery box, and a filter plate is fixedly set in an inclined state inside the recovery box, one end of the filter plate passes through the slag discharge port, and the precipitate formed in the waste liquid is separated by the cooperation of the recovery box, the slag discharge port and the filter plate.

[0012] Preferably, a vibrator is fixedly provided at the middle part of the bottom end of the filter plate through a fixing frame, and the precipitate is rolled down on the filter plate by the cooperation of the vibrator to prevent the accumulation of precipitate from affecting the filtering efficiency of the filter plate.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a pickling waste acid purification and recovery device. In order to enable the opening and closing of the waste acid circulation pipeline and the chemical agent adding pipeline to be synchronously controlled, reduce the complexity of operation, and improve the treatment effect of waste liquid, the servo motor is started, the rotation of the rotating shaft drives the first connecting rod to rotate, the first connecting rod drives the third connecting rod to rotate, the third connecting rod drives the second connecting rod to rotate, and at the same time, the first connecting rod drives the first rotating rod to rotate, the second connecting rod drives the second rotating rod to rotate, the first rotating rod drives the first sealing disk to rotate, and the second rotating rod drives the second sealing disk to rotate. At this time, the first sealing disk and the second sealing disk rotate synchronously and both are always kept in a vertical state. When the first connecting rod and the second connecting rod rotate to the left direction in the figure, the first sealing disk and the second sealing disk are opened synchronously, and the waste liquid in the water outlet pipe and the chemical agent in the agent pipe flow to the next treatment area synchronously. On the contrary, when the first connecting rod and the second connecting rod rotate to the right direction in the figure, the first sealing disk and the second sealing disk are closed synchronously. Through the cooperation between the above structures, the addition amount of the chemical agent can be accurately controlled without excessive or insufficient conditions, thereby improving the purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional picture of the whole;

[0017] Figure 2 yes Figure 1 A three-dimensional magnified view of the structure at A in the middle;

[0018] Figure 3 It is a cross-sectional view of the water outlet pipe and the reagent pipe;

[0019] Figure 4 is a cross-sectional view of the reaction tank;

[0020] Figure 5 is a cross-sectional view of a recycling bin;

[0021] Legend:

[0022] 1. Pickling tank; 2. Support legs; 3. Liquid pump; 4. Suction pipe; 5. Outlet pipe; 6. Chemical pipe; 7. First rotating rod; 8. Second rotating rod; 9. First sealing disk; 10. Second sealing disk; 11. First fixed disk; 12. First connecting rod; 13. Servo motor; 14. Rotating shaft; 15. Second fixed disk; 16. Second connecting rod; 17. Third connecting rod; 18. Limit rod; 19. Rubber sealing ring; 20. Reactor; 21. Drive motor; 22. Rotating shaft; 23. Stirring blade; 24. Drain pipe; 25. Recovery box; 26. Slag outlet; 27. Filter plate; 28. Vibrator. 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 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.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 5The utility model discloses a kind of pickling waste acid purification and recovery equipment, comprises a pickling tank 1, the bottom four corners of the pickling tank 1 are fixedly provided with supporting legs 2, one side of the pickling tank 1 is fixedly provided with a liquid pump 3 through a fixed frame, the water suction port position of the liquid pump 3 is fixedly provided with a water suction pipe 4, the other end of the water suction pipe 4 extends to the inside of the pickling tank 1, the water outlet position of the liquid pump 3 is fixedly provided with a water outlet pipe 5, the top end of one side of the circumferential surface of the water outlet pipe 5 is fixed and connected with a medicine pipe 6, one side of the circumferential surface of the water outlet pipe 5 is rotated through a bearing and penetrated by a first rotating rod 7, one side of the circumferential surface of the medicine pipe 6 is rotated through a bearing and penetrated by a second rotating rod 8, the first rotating rod 7 and the second rotating rod 8 are respectively fixedly provided with a first sealing disk 9 and a second sealing disk 10 at one end located inside the tube body, and the first sealing disk 9 and the second sealing disk 10 are distributed in a mutually perpendicular state;

[0026] A first fixed plate 11 is fixedly arranged on one side of the circumferential surface of the water outlet pipe 5 through a fixing frame, the first rotating rod 7 rotates through a bearing and penetrates the first fixed plate 11, a first connecting rod 12 is fixedly arranged on one end of the first rotating rod 7, a servo motor 13 is fixedly arranged on one side of the water outlet pipe 5 through a fixing frame, a rotating shaft 14 is fixedly arranged on the output end of the servo motor 13 through a coupling, and the other end of the rotating shaft 14 is fixedly connected to one side of the first connecting rod 12, a second fixed plate 15 is fixedly arranged on one side of the circumferential surface of the medicine tube 6 through a fixing frame, the second rotating rod 8 rotates through a bearing and penetrates the second A fixed disk 15 is provided, a second connecting rod 16 is fixedly provided at one end of the second rotating rod 8, a third connecting rod 17 is rotatably provided at one side of the second connecting rod 16 through a rotating rod, one side of the first connecting rod 12 is rotatably connected to one side of the third connecting rod 17 through a rotating rod, two groups of limiting rods 18 are fixedly provided at one side of the first fixed disk 11 and the second fixed disk 15, three groups of rubber sealing rings 19 are fixedly provided in an array on the circumferential surfaces of the first sealing disk 9 and the second sealing disk 10, and when working, chemical agents need to be added to the waste liquid to make the metal ions and impurities in the waste liquid form precipitates to separate them. In order to synchronize the opening and closing of the waste acid circulation pipeline and the chemical agent addition pipeline, reduce the complexity of the operation, and improve the treatment effect of the waste liquid, the staff first starts the liquid pump 3, and the waste liquid in the pickling tank 1 flows into the outlet pipe 5 through the suction pipe 4, and then starts the servo motor 13. The rotation of the rotating shaft 14 drives the first connecting rod 12 to rotate, the first connecting rod 12 drives the third connecting rod 17 to rotate, and the third connecting rod 17 drives the second connecting rod 16 to rotate. At the same time, the first connecting rod 12 drives the first rotating rod 7 to rotate, the second connecting rod 16 drives the second rotating rod 8 to rotate, the first rotating rod 7 drives the first sealing disk 9 to rotate, and the second rotating rod 8 drives the second sealing disk 10 rotates, at this time, the first sealing disk 9 and the second sealing disk 10 rotate synchronously and the two always maintain a vertical state, when the first connecting rod 12 and the second connecting rod 16 rotate to the left direction in the figure, the first sealing disk 9 and the second sealing disk 10 are opened synchronously, and the waste liquid in the water outlet pipe 5 and the chemical agent in the chemical agent pipe 6 flow to the next treatment area synchronously; conversely, when the first connecting rod 12 and the second connecting rod 16 rotate to the right direction in the figure, the first sealing disk 9 and the second sealing disk 10 are closed synchronously. Through the cooperation between the above structures, the addition amount of the chemical agent can be accurately controlled without excessive or insufficient amounts, thereby improving the purification effect.

[0027] Furthermore, a reaction tank 20 is provided on one side of the pickling tank 1, one end of the water outlet pipe 5 is fixed and penetrated into the interior of the reaction tank 20, a driving motor 21 is fixedly provided at the top center of the reaction tank 20 through a fixing frame, a rotating shaft 22 is fixedly provided at the output end of the driving motor 21 through a coupling, the rotating shaft 22 rotates through a bearing and penetrates into the interior of the reaction tank 20, and its bottom end is rotatably provided at the bottom center of the reaction tank 20 through a bearing, an array of stirring blades 23 are fixedly provided on the circumferential surface of the rotating shaft 22, and a discharge pipe 24 is fixedly provided and penetrated on one side of the bottom end of the reaction tank 20. During operation, in order to make the waste liquid and the chemical agent fully react, the waste liquid and the chemical agent enter the reaction tank 20 through the water outlet pipe 5, the driving motor 21 is started, and the rotating shaft 22 drives the array of stirring blades 23 to rotate, so as to stir the chemical agent and the waste liquid, so that they are fully mixed and reacted to improve the purification effect.

[0028] Furthermore, a recovery box 25 is provided at the bottom end of the reaction tank 20, the bottom end of the drain pipe 24 is fixed and penetrates the interior of the recovery box 25, the reaction tank 20 is fixedly arranged at the top of the recovery box 25 through a fixing frame arranged at the bottom end, a slag discharge port 26 is provided on one side of the recovery box 25, a filter plate 27 is fixedly arranged in an inclined shape inside the recovery box 25, one end of the filter plate 27 penetrates the slag discharge port 26, a vibrator 28 is fixedly arranged at the middle part of the bottom end of the filter plate 27 through a fixing frame, and when working, the waste liquid and the chemical After the chemical reagent mixing reaction is completed, a large amount of metal ion sediments will be generated therein, and these sediments need to be separated from the purified waste liquid. The waste liquid containing the metal ion sediments is discharged to the recovery box 25 below through the drain pipe 24, and the metal ion sediments are filtered and separated by the filter plate 27. The purified waste liquid flows to the bottom of the recovery box 25 for centralized collection. At the same time, the vibrator 28 is started to generate vibration to discharge the metal ion sediments on the filter plate 27 through the slag discharge port 26 to the outside for centralized collection, so as to prevent the filter plate 27 from being blocked and enable it to continuously perform filtering and separation work.

[0029] Working principle: When treating waste liquid, it is necessary to add chemical agents to the waste liquid so that the metal ions and impurities in the waste liquid form precipitates to separate them. In order to synchronize the opening and closing of the waste acid circulation pipeline and the chemical agent addition pipeline, reduce the complexity of operation, and improve the treatment effect of the waste liquid, the staff first starts the liquid pump 3, and the waste liquid in the pickling tank 1 flows into the outlet pipe 5 through the suction pipe 4, and then starts the servo motor 13, the shaft 14 rotates to drive the first connecting rod 12 to rotate, the first connecting rod 12 drives the third connecting rod 17 to rotate, and the third connecting rod 17 drives the second connecting rod 16 rotates, and at the same time, the first connecting rod 12 drives the first rotating rod 7 to rotate, the second connecting rod 16 drives the second rotating rod 8 to rotate, the first rotating rod 7 drives the first sealing disk 9 to rotate, and the second rotating rod 8 drives the second sealing disk 10 to rotate. At this time, the first sealing disk 9 and the second sealing disk 10 rotate synchronously and both remain in a vertical state. When the first connecting rod 12 and the second connecting rod 16 rotate to the left direction in the figure, the first sealing disk 9 and the second sealing disk 10 are opened synchronously, and the waste liquid in the water outlet pipe 5 and the chemical agent in the reagent pipe 6 flow to the next treatment area synchronously. On the contrary, when the first connecting rod 12 and the second connecting rod 16 rotate to the left direction in the figure, the first sealing disk 9 and the second sealing disk 10 are opened synchronously, and the waste liquid in the water outlet pipe 5 and the chemical agent in the reagent pipe 6 flow to the next treatment area synchronously. When the rod 12 and the second connecting rod 16 rotate to the right in the figure, the first sealing disk 9 and the second sealing disk 10 are closed synchronously. Through the cooperation between the above structures, the amount of chemical agent added can be accurately controlled without excessive or insufficient amounts, thereby improving the purification effect. In order to allow the waste liquid and the chemical agent to fully react, the waste liquid and the chemical agent enter the reaction tank 20 through the outlet pipe 5, the drive motor 21 is started, and the rotating shaft 22 drives the array of stirring blades 23 to rotate, so as to stir the chemical agent and the waste liquid, so that they are fully mixed and reacted to improve the purification effect. The waste liquid After the mixing reaction with the chemical agent is completed, a large amount of metal ion sediments will be generated therein, and these sediments need to be separated from the purified waste liquid. The waste liquid containing the metal ion sediments is discharged to the recovery box 25 below through the drain pipe 24, and the metal ion sediments are filtered and separated by the filter plate 27. The purified waste liquid flows to the bottom of the recovery box 25 for centralized collection. At the same time, the vibrator 28 is started to generate vibration to discharge the metal ion sediments on the filter plate 27 through the slag discharge port 26 to the outside for centralized collection, so as to prevent the filter plate 27 from being blocked and enable it to continuously perform filtering and separation work.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above shows and describes the basic principle, 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, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pickling waste acid purification and recovery device, characterized in that: The pickling tank (1) comprises a pickling tank (1), wherein the four corners of the bottom end of the pickling tank (1) are fixedly provided with support legs (2), a liquid pump (3) is fixedly provided on one side of the pickling tank (1) via a fixing frame, a water suction pipe (4) is fixedly provided at the water suction port of the liquid pump (3), the other end of the water suction pipe (4) extends into the interior of the pickling tank (1), a water outlet pipe (5) is fixedly provided at the water outlet of the liquid pump (3), and the top end of one side of the circumferential surface of the water outlet pipe (5) is fixed and A medicine tube (6) is connected through the pipe body, one side of the circumferential surface of the water outlet pipe (5) rotates through a bearing and penetrates a first rotating rod (7), one side of the circumferential surface of the medicine tube (6) rotates through a bearing and penetrates a second rotating rod (8), and a first sealing disk (9) and a second sealing disk (10) are fixedly arranged at one end of the first rotating rod (7) and the second rotating rod (8) located inside the pipe body, respectively, and the first sealing disk (9) and the second sealing disk (10) are arranged in a mutually perpendicular state; A first fixed disk (11) is fixedly arranged on one side of the circumferential surface of the water outlet pipe (5) through a fixed frame, the first rotating rod (7) is rotated through a bearing and penetrates the first fixed disk (11), a first connecting rod (12) is fixedly arranged on one end of the first rotating rod (7), a servo motor (13) is fixedly arranged on one side of the water outlet pipe (5) through a fixed frame, a rotating shaft (14) is fixedly arranged at the output end of the servo motor (13) through a coupling, the other end of the rotating shaft (14) is fixedly connected to one side of the first connecting rod (12), a second fixed disk (15) is fixedly arranged on one side of the circumferential surface of the medicine tube (6) through a fixed frame, the second rotating rod (8) is rotated through a bearing and penetrates the second fixed disk (15), a second connecting rod (16) is fixedly arranged on one end of the second rotating rod (8), a third connecting rod (17) is rotatably arranged on one side of the second connecting rod (16) through a rotating rod, and one side of the first connecting rod (12) is rotatably connected to one side of the third connecting rod (17) through a rotating rod.

2. A pickling waste acid purification and recovery equipment according to claim 1, characterized in that: Two groups of limiting rods (18) are fixedly arranged on one side of each of the first fixed plate (11) and the second fixed plate (15).

3. A pickling waste acid purification and recovery equipment according to claim 1, characterized in that: Three groups of rubber sealing rings (19) are fixedly arranged in an array on the circumferential surfaces of the first sealing disk (9) and the second sealing disk (10).

4. A pickling waste acid purification and recovery equipment according to claim 1, characterized in that: A reaction tank (20) is arranged on one side of the pickling tank (1); one end of the water outlet pipe (5) is fixed and penetrates the interior of the reaction tank (20); a driving motor (21) is fixedly arranged at the top center of the reaction tank (20) via a fixing frame; a rotating shaft (22) is fixedly arranged at the output end of the driving motor (21) via a coupling; the rotating shaft (22) rotates through a bearing and penetrates the interior of the reaction tank (20); and its bottom end is rotatably arranged at the center of the bottom end of the reaction tank (20) via a bearing; a plurality of stirring blades (23) are fixedly arranged in an array on the circumferential surface of the rotating shaft (22); and a liquid discharge pipe (24) is fixedly arranged and penetrates the bottom side of the reaction tank (20).

5. A pickling waste acid purification and recovery equipment according to claim 4, characterized in that: A recovery box (25) is arranged at the bottom end of the reaction tank (20), the bottom end of the drainage pipe (24) is fixed and passes through the interior of the recovery box (25), the reaction tank (20) is fixedly arranged at the top of the recovery box (25) through a fixing frame arranged at the bottom end, a slag discharge port (26) is opened on one side of the recovery box (25), a filter plate (27) is fixedly arranged in an inclined shape inside the recovery box (25), and one end of the filter plate (27) passes through the slag discharge port (26).

6. A pickling waste acid purification and recovery equipment according to claim 5, characterized in that: A vibrator (28) is fixedly arranged at the middle part of the bottom end of the filter plate (27) via a fixing frame.

Images