Chemical polishing waste liquid recycling treatment device

Abstract

The utility model discloses a chemical polishing waste liquid recycling treatment device which comprises a treatment assembly, a filtering assembly and an evaporation and concentration assembly, wherein the filtering assembly and the evaporation and concentration assembly are arranged on one side of the treatment assembly; the treatment assembly comprises a treatment box, an extension plate integrally connected with the treatment box, a first transmission pump, a first liquid pumping pipe and a first liquid feeding pipe, the first liquid pumping pipe and the first liquid feeding pipe are installed on the treatment box, and the filtering assembly and the evaporation and concentration assembly are installed on the extension plate; one end of the first liquid pumping pipe and one end of the first liquid feeding pipe are both communicated with the first transmission pump; chemical polishing waste liquid can be treated through the arranged treatment assembly, Al ions in the chemical polishing waste liquid form cryolite through a reaction, then the cryolite is filtered through the filtering assembly, finally, the filtered liquid is evaporated and concentrated through the evaporation and concentration assembly, the specific gravity of finished product acid obtained after final treatment is 1.7, and the specific gravity of finished product acid obtained after final treatment is 1.7. At the moment, the chemical polishing waste liquid is treated, and the treated chemical polishing waste liquid can be recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical waste liquid treatment, in particular to a chemical polishing waste liquid regeneration and treatment device. Background Art

[0002] Chemical polishing is a method that relies on the selective dissolution of uneven areas on the sample surface by chemical etching with chemical reagents to eliminate wear marks and level the surface. The advantages of using chemical solution polishing are simple equipment, the ability to process thin tubes, parts with deep holes and complex shapes, and improved production efficiency. One of its disadvantages is that the service life of the polishing solution used is short, and the adjustment and regeneration of the solution concentration is difficult. At present, in the chemical polishing process, the cleaning process takes away most of the acid, but because the cleaning acid contains a large amount of aluminum ions, if it is simply evaporated and concentrated, the aluminum content in the regenerated acid is seriously exceeded and cannot meet the use requirements of production conditions, increasing the production cost of the enterprise. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a chemical polishing waste liquid recycling treatment device, which can treat the chemical polishing waste liquid through the set treatment component, and the Al ions therein are reacted to form cryolite, and the cryolite is filtered through the filtering component, and finally the filtered liquid is evaporated and concentrated by the evaporation and concentration component, so that the specific gravity of the final treated product acid is 1.7. At this time, the treatment of the chemical polishing waste liquid is completed, and the treated chemical polishing liquid can be reused.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is to provide a chemical polishing waste liquid recycling and treatment device, including a treatment component, a filtering component and an evaporation concentration component installed on one side of the treatment component, the treatment component including a treatment box, an extension plate integrally connected to the treatment box, a first transmission pump, a first liquid extraction pipe and a first liquid delivery pipe installed on the treatment box, the filtering component and the evaporation concentration component are installed on the extension plate, and one end of the first liquid extraction pipe and one end of the first liquid delivery pipe are both connected to the first transmission pump.

[0005] As a preferred solution, the processing box is provided with a first processing chamber and a second processing chamber, the first liquid extraction pipe is connected to the first processing chamber, and the first liquid delivery pipe is connected to the second processing chamber.

[0006] As a preferred solution, the processing box has a first cover plate and a second cover plate, the first cover plate covers the first processing chamber, and the second cover plate covers the second processing chamber.

[0007] As a preferred solution, one end of the first liquid extraction pipe has a first filter screen, and one end of the first liquid delivery pipe has a second filter screen.

[0008] As a preferred embodiment, the filter assembly includes a filter frame installed on the extension plate, a filter installed on the filter frame, a second transfer pump, a second liquid extraction pipe and a second liquid delivery pipe, one end of the second liquid extraction pipe is installed on the processing box, one end of the second liquid extraction pipe is installed on the second transfer pump, one end of the second liquid delivery pipe is installed on the second transfer pump, and one end of the second liquid delivery pipe is installed on the filter.

[0009] As a preferred embodiment, the evaporation and concentration assembly includes an evaporation and concentration frame installed on the extension plate, an evaporation concentrator installed on the evaporation and concentration frame, a third transmission pump, a third liquid extraction pipe and a third liquid delivery pipe, one end of the third liquid extraction pipe is installed on the processing box, one end of the third liquid extraction pipe is installed on the third transmission pump, one end of the third liquid delivery pipe is installed on the third transmission pump, and one end of the third liquid delivery pipe is installed on the evaporation concentrator.

[0010] As a preferred solution, it further comprises a liquid outlet pipe installed on the evaporation concentrator and a support frame installed on the extension plate, the liquid outlet pipe has a switch valve, and the third transmission pump is installed on the support frame.

[0011] As a preferred solution, it further comprises a detector and a display screen installed on the evaporation concentrator, and the detector is electrically connected to the display screen.

[0012] The beneficial effect of the utility model is that the chemical polishing waste liquid can be treated by the set processing component, the Al ions therein are reacted to form cryolite, the cryolite is filtered by the filtering component, and finally the filtered liquid is evaporated and concentrated by the evaporation and concentration component, so that the specific gravity of the final treated finished acid is 1.7. At this time, the treatment of the chemical polishing waste liquid is completed, and the treated chemical polishing liquid can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a chemical polishing waste liquid recycling treatment device.

[0014] Figure 2 for Figure 1 A schematic structural diagram of a processing component in a chemical polishing waste liquid recycling and processing device.

[0015] Figure 3 for Figure 1 A schematic structural diagram of a filtering component in a chemical polishing waste liquid recycling and treatment device.

[0016] Figure 4 for Figure 1A schematic diagram of the structure of an evaporation and concentration component in a chemical polishing waste liquid recycling and treatment device.

[0017] Explanation of the accompanying drawings: 100, processing assembly; 110, processing box; 111, first processing chamber; 112, second processing chamber; 113, first cover plate; 114, second cover plate; 120, extension plate; 130, first transmission pump; 140, first extraction pipe; 150, first liquid delivery pipe; 200, filter assembly; 210, filter frame; 220, filter; 230, second transmission pump; 240, second extraction pipe; 250, second liquid delivery pipe; 300, evaporation concentration assembly; 310, evaporation concentration frame; 320, evaporation concentrator; 330, third transmission pump; 340, third extraction pipe; 350, third liquid delivery pipe; 360, liquid outlet pipe; 370, support frame. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are 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.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figures 1 to 4As shown, the utility model provides a chemical polishing waste liquid recycling treatment device, including a treatment component 100, a filter component 200 and an evaporation concentration component 300 installed on one side of the treatment component 100, the treatment component 100 includes a treatment box 110, an extension plate 120 integrally connected to the treatment box 110, a first transmission pump 130, a first liquid extraction pipe 140 and a first liquid delivery pipe 150 installed on the treatment box 110, the filter component 200 and the evaporation concentration component 300 are installed on the extension plate 120, One end of the first liquid extraction pipe 140 and one end of the first liquid delivery pipe 150 are both connected to the first transmission pump 130; the chemical polishing waste liquid can be treated by the set processing component 100, and the Al ions therein are reacted to form cryolite, and the cryolite is then filtered through the filtering component 200, and finally the filtered liquid is evaporated and concentrated by the evaporation and concentration component 300, so that the specific gravity of the final treated finished acid is 1.7. At this time, the treatment of the chemical polishing waste liquid is completed, and the treated chemical polishing liquid can be reused.

[0022] The processing box 110 is provided with a first processing chamber 111 and a second processing chamber 112, the first liquid extraction pipe 140 is in communication with the first processing chamber 111, and the first liquid delivery pipe 150 is in communication with the second processing chamber 112. The processing box 110 has a first cover plate 113 and a second cover plate 114, the first cover plate 113 covers the first processing chamber 111, and the second cover plate 114 covers the second processing chamber 112. One end of the first liquid extraction pipe 140 has a first filter screen, and one end of the first liquid delivery pipe 150 has a second filter screen. During processing, the first cover plate 113 is opened to put the chemical polishing waste liquid into the first processing chamber 111, and then potassium hydroxide and sodium hydroxide are added to the first processing chamber 111. After stirring for a period of time, the first cover plate 113 is covered. Then the first transfer pump 130 is operated to transport the chemical polishing waste liquid from the first processing chamber 111 to the second processing chamber 112, the second cover plate 114 is opened, and ammonium bifluoride is added to the second processing chamber 112 and stirred for a period of time, and then the second cover plate 114 is covered. Potassium hydroxide, sodium hydroxide and ammonium bifluoride will react with Al ions in the chemical polishing waste liquid to form cryolite, and then the filter component 200 is operated to pump the chemical polishing waste liquid into the filter component 200 for filtration.

[0023] The filter assembly 200 includes a filter frame 210 mounted on the extension plate 120, a filter 220 mounted on the filter frame 210, a second transmission pump 230, a second liquid extraction pipe 240, and a second liquid delivery pipe 250. One end of the second liquid extraction pipe 240 is mounted on the processing box 110, one end of the second liquid extraction pipe 240 is mounted on the second transmission pump 230, one end of the second liquid delivery pipe 250 is mounted on the second transmission pump 230, and one end of the second liquid delivery pipe 250 is mounted on the filter 220. During filtering, the second transmission pump 230 works to pump the chemical polishing waste liquid to the filter 220, and the filter 220 can filter out cryolite in the chemical polishing waste liquid.

[0024] The evaporation and concentration assembly 300 includes an evaporation and concentration frame 310 mounted on the extension plate 120, an evaporation concentrator 320 mounted on the evaporation and concentration frame 310, a third transmission pump 330, a third liquid extraction pipe 340 and a third liquid delivery pipe 350, one end of the third liquid extraction pipe 340 is mounted on the processing box 110, one end of the third liquid extraction pipe 340 is mounted on the third transmission pump 330, one end of the third liquid delivery pipe 350 is mounted on the third transmission pump 330, and one end of the third liquid delivery pipe 350 is mounted on the evaporation and concentration 320. It also includes a liquid outlet pipe 360 ​​mounted on the evaporation and concentration 320, and a support frame 370 mounted on the extension plate 120, the liquid outlet pipe 360 ​​has a switch valve, and the third transmission pump 330 is mounted on the support frame 370. The third transmission pump 330 works to pump the chemical polishing waste liquid after filtering the cryolite to the evaporation concentrator 320. The evaporation concentrator 320 can evaporate and concentrate the chemical polishing waste liquid after filtering the cryolite to form the final finished acid. The specific gravity of the finished acid is 1.7, and finally flows out through the liquid outlet pipe 360.

[0025] In one embodiment, a detector and a display screen are installed on the evaporation concentrator 320. The detector is electrically connected to the display screen. The detector can be used to detect the specific gravity of the finished acid. When the specific gravity is 1.7, the evaporation concentration is stopped.

[0026] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A chemical polishing waste liquid recycling treatment device, characterized in that: The invention comprises a processing component, a filtering component installed on one side of the processing component, and an evaporation concentration component. The processing component comprises a processing box, an extension plate integrally connected to the processing box, a first transmission pump, a first liquid extraction pipe and a first liquid delivery pipe installed on the processing box. The filtering component and the evaporation concentration component are installed on the extension plate. One end of the first liquid extraction pipe and one end of the first liquid delivery pipe are both connected to the first transmission pump.

2. The chemical polishing waste liquid recycling treatment device according to claim 1 is characterized in that: The processing box is provided with a first processing chamber and a second processing chamber, the first liquid extraction pipe is communicated with the first processing chamber, and the first liquid delivery pipe is communicated with the second processing chamber.

3. The chemical polishing waste liquid recycling treatment device according to claim 2 is characterized in that: The processing box has a first cover plate and a second cover plate, wherein the first cover plate covers the first processing chamber, and the second cover plate covers the second processing chamber.

4. The chemical polishing waste liquid recycling treatment device according to claim 1 is characterized in that: One end of the first liquid extraction pipe is provided with a first filter screen, and one end of the first liquid delivery pipe is provided with a second filter screen.

5. The chemical polishing waste liquid recycling treatment device according to claim 1 is characterized in that: The filter assembly includes a filter frame installed on the extension plate, a filter installed on the filter frame, a second transfer pump, a second liquid extraction pipe and a second liquid delivery pipe, one end of the second liquid extraction pipe is installed on the processing box, one end of the second liquid extraction pipe is installed on the second transfer pump, one end of the second liquid delivery pipe is installed on the second transfer pump, and one end of the second liquid delivery pipe is installed on the filter.

6. The chemical polishing waste liquid recycling treatment device according to claim 1 is characterized in that: The evaporation and concentration assembly includes an evaporation and concentration frame installed on the extension plate, an evaporation concentrator installed on the evaporation and concentration frame, a third transmission pump, a third liquid extraction pipe and a third liquid delivery pipe, one end of the third liquid extraction pipe is installed on the processing box, one end of the third liquid extraction pipe is installed on the third transmission pump, one end of the third liquid delivery pipe is installed on the third transmission pump, and one end of the third liquid delivery pipe is installed on the evaporation concentrator.

7. The chemical polishing waste liquid recycling treatment device according to claim 6 is characterized in that: It also includes a liquid outlet pipe installed on the evaporation concentrator and a support frame installed on the extension plate, the liquid outlet pipe has a switch valve, and the third transmission pump is installed on the support frame.

8. The chemical polishing waste liquid recycling treatment device according to claim 7 is characterized in that: It also includes a detector and a display screen installed on the evaporation concentrator, and the detector is electrically connected to the display screen.

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