Etching liquid recovery device for acidic cyclic etching

Abstract

The utility model discloses an etching liquid recovery device for acidic cyclic etching, which relates to the technical field of etching liquid recovery and comprises a bottom plate and a treatment box, a box cover is arranged at the top end of the treatment box, a stirring mechanism is fixedly mounted in the treatment box, a feeding port and a supplementing port are fixedly communicated with the top end of the box cover, and the feeding port and the supplementing port are fixedly communicated with the bottom plate. The device comprises a treatment box, the bottom of the treatment box is provided with a converter and a discharge port, the left side of the treatment box is provided with a storage box, the upper end of the discharge port communicates with the bottom of the treatment box, the converter is fixedly installed at the bottom of the treatment box, and the lower end of the converter is fixedly connected with an ultrasonic generator. The etching liquid is stirred, so that materials are fully mixed, the stirring efficiency of the device is improved, meanwhile, in the rotating process of the stirring mechanism, a scraper blade is matched with an ultrasonic sound generator and a converter, the inner walls of a stirring shaft, a stirring rod, the scraper blade and a treatment box can be cleaned, and the permeability of the surfaces of the stirring shaft, the stirring rod, the scraper blade and the treatment box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of etching liquid recovery, in particular to an etching liquid recovery device used for acidic cycle etching. Background Art

[0002] After years of research, an acid etching solution recycling system has emerged. It converts the acid etching waste liquid into a suitable extraction system, selects a suitable extractant, and uses the existing mature solvent extraction membrane treatment-electrolytic copper process to achieve copper recovery. The extract can be directly converted into an alkaline etching solution product after component adjustment, and can also be used to recover ammonium chloride, distilled water or hydrochloric acid and pretreatment regulators by vacuum distillation. The raffinate is adjusted by component adjustment or vacuum distillation to produce ammonium chloride, sodium chloride and distilled water that can be used to prepare alkaline etching solution. No waste is generated, thus achieving harmless treatment of etching waste liquid and waste recycling. The system does not produce harmful gases such as chlorine, and production is reliable. It recovers and prepares high-purity standard cathode copper, with high added value and relatively low cost.

[0003] Some existing etching liquid recovery devices have low stirring efficiency and low mixing efficiency during use, which affects the recovery efficiency of the etching liquid; at the same time, various suspended matter exists inside the etching liquid container, which is easy to adhere to the inner wall of the device, thereby causing an impact and being inconvenient to clean. Therefore, this scheme provides an etching liquid recovery device for acidic cycle etching to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above technical problems, an etching liquid recovery device for acidic cycle etching is provided. The technical solution solves the problems mentioned in the above background technology that some existing etching liquid recovery devices have low stirring efficiency and low mixing efficiency during use, which affects the recovery efficiency of the etching liquid; and the etching liquid easily contains various suspended matter, which is easy to adhere to the inner wall of the device, thereby causing an impact and making it inconvenient to clean.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An etching liquid recovery device for acidic cyclic etching comprises a base plate and a processing box, wherein the processing box is arranged at the upper end of the base plate, a box cover is arranged at the top end of the processing box, a stirring mechanism is fixedly installed inside the processing box, a feed inlet and a feed replenishing port are fixedly connected at the top end of the box cover, a converter and a discharge port are arranged at the bottom of the processing box, a storage box is arranged on the left side of the processing box, the upper end of the discharge port is connected to the bottom of the processing box, the converter is fixedly installed at the bottom of the processing box, an ultrasonic sound generator is fixedly connected to the lower end of the converter, and the ultrasonic sound generator is fixedly installed at the top end of the base plate.

[0007] Preferably, the stirring mechanism includes a driving motor and a stirring shaft, the driving motor is fixedly mounted on the top of the box cover, the output end of the driving motor passes through the box cover and is fixedly connected to the stirring shaft, a plurality of groups of stirring rods are fixedly connected to the outer surface of the stirring shaft, and a scraper is fixedly connected to one end of the stirring rod close to the inner wall of the processing box.

[0008] Preferably, the storage box is composed of a plurality of groups of regulating agent boxes, and a feeding pump is provided on the right side of the storage box, and the feeding pump is fixedly mounted on the upper end of the bottom plate.

[0009] Preferably, the input end of the feed pump is connected to the outlet of the multi-way valve through a water pipe, and the output end of the feed pump is connected to the upper end of the feed port through a water pipe.

[0010] Preferably, the multi-way valve is provided with one outlet and several groups of inlets, and the number of the inlets matches the number of the regulating agent boxes, and each of the inlets is connected to the regulating agent box through a water pipe.

[0011] Preferably, a plurality of groups of support columns are fixedly connected to the lower end of the processing box, and the plurality of groups of support columns are evenly arranged in a ring shape.

[0012] Compared with the prior art, the utility model proposes an etching liquid recovery device for acidic cycle etching, which has the following beneficial effects:

[0013] 1. The utility model is provided with a stirring mechanism, which drives the stirring shaft to rotate through a driving motor, and the stirring shaft rotates to drive the stirring rod to rotate. During the rotation of the stirring rod, the etching liquid is stirred, so that the materials are fully mixed, the stirring efficiency of the device is improved, and the recovery efficiency of the etching liquid is not affected.

[0014] 2. The stirring mechanism of the utility model is provided with a scraper. During the rotation of the stirring mechanism, the scraper contacts the inner wall of the processing box, so that the suspended matter attached to the inner wall of the device can be processed and no longer attached. At the same time, an ultrasonic generator and a converter are provided. The ultrasonic generator generates high-frequency electrical signals, and then these electrical signals are converted into ultrasonic vibrations through the converter. The stirring shaft, stirring rod, scraper and the inner wall of the processing box can be cleaned by ultrasonic waves. The ultrasonic vibration can help separate and remove sediments from the surface of the plate, thereby improving the permeability of its surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the processing box in the utility model.

[0017] The numbers in the figure are:

[0018] 1. Bottom plate; 2. Processing box; 201. Support column; 3. Box cover; 4. Stirring mechanism; 401. Drive motor; 402. Stirring shaft; 403. Stirring rod; 404. Scraper; 5. Ultrasonic sounder; 6. Converter; 7. Storage box; 701. Adjustment reagent box; 8. Feeding pump; 9. Multi-way valve; 10. Feed inlet; 11. Feeding port; 12. Discharge port. DETAILED DESCRIPTION

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0020] Reference Figure 1-2 As shown, an etching liquid recovery device for acidic cyclic etching includes a base plate 1 and a processing box 2, the processing box 2 is arranged at the upper end of the base plate 1, and a box cover 3 is arranged at the top of the processing box 2. A stirring mechanism 4 is fixedly installed inside the processing box 2, and a feed inlet 10 and a feeding port 11 are fixedly connected at the top of the box cover 3. A converter 6 and a discharge port 12 are arranged at the bottom of the processing box 2, and a storage box 7 is arranged on the left side of the processing box 2. The upper end of the discharge port 12 is connected to the bottom of the processing box 2, the converter 6 is fixedly installed at the bottom of the processing box 2, and the lower end of the converter 6 is fixedly connected to an ultrasonic sound generator 5, and the ultrasonic sound generator 5 is fixedly installed at the top of the base plate 1. The device is provided with a stirring mechanism 4, so as to stir the etching liquid, so that the materials are fully mixed, the stirring efficiency of the device is improved, and the recovery efficiency of the etching liquid is not affected. At the same time, a storage box 7 is provided, and a plurality of auxiliary materials are stored inside the storage box 7, so that the acid etching liquid is pre-treated to become a solvent extraction, and the solvent extraction is then fine-tuned by membrane treatment or a reduced pressure distillation process is adopted to recover copper from the failed acid copper etching liquid, and then ammonium chloride and sodium chloride and distilled water or hydrochloric acid, pretreatment regulator and other components are recovered.

[0021] Specifically, in this embodiment, the stirring mechanism 4 includes a driving motor 401 and a stirring shaft 402. The driving motor 401 is fixedly installed on the top of the box cover 3. The output end of the driving motor 401 passes through the box cover 3 and is fixedly connected to the stirring shaft 402. The outer surface of the stirring shaft 402 is fixedly connected to a plurality of stirring rods 403. The end of the stirring rod 403 close to the inner wall of the processing box 2 is fixedly connected to a scraper 404. The stirring shaft 402 is driven to rotate by the driving motor 401, and the stirring shaft 402 rotates to drive the stirring rod 403 to rotate. During the rotation of the stirring rod 403, the etching liquid is stirred, so that the materials are fully mixed, the stirring efficiency of the device is improved, and the recovery efficiency of the etching liquid is avoided. At the same time, a scraper 404 is provided in the stirring mechanism 4. During the rotation of the stirring mechanism 4, the scraper 404 contacts the inner wall of the processing box 2, so that the suspended matter attached to the inner wall of the device can be processed so that it no longer adheres. An ultrasonic generator 5 and a converter 6 are provided. High-frequency electrical signals are generated by the ultrasonic generator 5, and then these electrical signals are converted into ultrasonic vibrations by the converter 6. The stirring shaft 402, the stirring rod 403, the scraper 404 and the inner wall of the processing box 2 can be cleaned by ultrasonic waves. The ultrasonic vibration can help separate and remove sediments from the surface, thereby improving the permeability of the surface.

[0022] Specifically, in this embodiment, the storage box 7 is composed of a plurality of groups of regulating agent boxes 701 , and a feeding pump 8 is provided on the right side of the storage box 7 , and the feeding pump 8 is fixedly installed on the upper end of the bottom plate 1 .

[0023] Specifically, in this embodiment, the input end of the feed pump 8 is connected to the outlet of the multi-way valve 9 through a water pipe, and the output end of the feed pump 8 is connected to the upper end of the feed port 11 through a water pipe.

[0024] Specifically, in this embodiment, the multi-way valve 9 is provided with one outlet and several groups of inlets, and the number of the inlets matches the number of the regulating agent boxes 701 , and each inlet is connected to the regulating agent box 701 through a water pipe.

[0025] Specifically, in this embodiment, a plurality of groups of support columns 201 are fixedly connected to the lower end of the processing box 2, and the plurality of groups of support columns 201 are evenly arranged in a ring shape.

[0026] The working principle of the utility model is as follows: the etching liquid enters the processing box 2 through the feed port 10, and the several auxiliary materials stored in the storage box 7 enter the processing box 2 through the feed port 11 through the feed pump 8, so that the etching liquid is pre-treated to become a solvent extraction. In this process, the etching liquid is stirred by the stirring mechanism 4, so that the materials are fully mixed and the stirring efficiency of the device is improved: the stirring shaft 402 is driven to rotate by the driving motor 401, and the stirring shaft 402 rotates to drive the stirring rod 403 to rotate. During the rotation of the stirring rod 403, the etching liquid is stirred, so that the materials are fully mixed, the stirring efficiency of the device is improved, and the influence The recovery efficiency of the etching liquid is improved. At the same time, a scraper 404 is arranged in the stirring mechanism 4. During the rotation of the stirring mechanism 4, the scraper 404 contacts the inner wall of the processing box 2, so that the suspended matter attached to the inner wall of the device can be processed so that it no longer adheres. An ultrasonic generator 5 and a converter 6 are arranged. The ultrasonic generator 5 generates high-frequency electrical signals, and then these electrical signals are converted into ultrasonic vibrations through the converter 6. The stirring shaft 402, the stirring rod 403, the scraper 404 and the inner wall of the processing box 2 can be cleaned by ultrasonic waves. The ultrasonic vibration can help separate and remove the sediment from the surface, thereby improving the permeability of the surface.

[0027] 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. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements 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. An etching solution recovery device for acidic cycle etching, characterized in that: The invention comprises a bottom plate (1) and a processing box (2), wherein the processing box (2) is arranged at the upper end of the bottom plate (1), a box cover (3) is arranged at the top end of the processing box (2), a stirring mechanism (4) is fixedly installed inside the processing box (2), a feed port (10) and a feed replenishment port (11) are fixedly connected at the top end of the box cover (3), a converter (6) and a discharge port (12) are arranged at the bottom of the processing box (2), a storage box (7) is arranged on the left side of the processing box (2), the upper end of the discharge port (12) is connected to the bottom of the processing box (2), the converter (6) is fixedly installed at the bottom of the processing box (2), the lower end of the converter (6) is fixedly connected to an ultrasonic sound generator (5), and the ultrasonic sound generator (5) is fixedly installed at the top end of the bottom plate (1).

2. The etching solution recovery device for acidic cyclic etching according to claim 1, characterized in that: The stirring mechanism (4) comprises a driving motor (401) and a stirring shaft (402); the driving motor (401) is fixedly mounted on the top of the box cover (3); the output end of the driving motor (401) passes through the box cover (3) and is fixedly connected to the stirring shaft (402); a plurality of groups of stirring rods (403) are fixedly connected to the outer surface of the stirring shaft (402); and a scraper (404) is fixedly connected to one end of the stirring rod (403) close to the inner wall of the treatment box (2).

3. The etching solution recovery device for acidic cycle etching according to claim 1, characterized in that: The storage box (7) is composed of a plurality of groups of regulating agent boxes (701). A feeding pump (8) is arranged on the right side of the storage box (7), and the feeding pump (8) is fixedly mounted on the upper end of the bottom plate (1).

4. The etching liquid recovery device for acidic cycle etching according to claim 3, characterized in that: The input end of the feed pump (8) is connected to the outlet of the multi-way valve (9) through a water pipe, and the output end of the feed pump (8) is connected to the upper end of the feed port (11) through a water pipe.

5. The etching liquid recovery device for acidic cycle etching according to claim 4, characterized in that: The multi-way valve (9) is provided with an outlet and a plurality of inlets, and the number of the inlets matches the number of the regulating agent boxes (701), and each of the inlets is connected to the regulating agent box (701) via a water pipe.

6. The etching solution recovery device for acidic cycle etching according to claim 1, characterized in that: A plurality of groups of support columns (201) are fixedly connected to the lower end of the processing box (2), and the plurality of groups of support columns (201) are evenly arranged in a ring shape.

Images