Waste liquid treatment device for etching liquid processing

Abstract

The utility model discloses a waste liquid treatment device for etching liquid processing, which comprises a concentration box and a reaction box, a liquid inlet pipe is fixed at the top of one side of the concentration box, a transfer pipe is fixedly mounted at the bottom of one side of the concentration box, the transfer pipe is connected with the top of one side of the reaction box, and a dosing pipe is mounted in the center of the top of the reaction box. A deslagging pipe is mounted in the center of the bottom of the reaction box, an extraction pipe is fixedly mounted on one side of the top of the reaction box, a servo motor is fixed in the middle of the other side of the reaction box, a horizontal shaft is mounted on the servo motor, the horizontal shaft is rotationally mounted in the middle of the reaction box through a sealing bearing, and stirring fan blades are fixedly mounted on the horizontal shaft. According to the waste liquid treatment device for etching liquid processing, a novel structural design is adopted, waste liquid is efficiently evaporated and concentrated, the dosage of chemicals is reduced, metal components contained in the waste liquid are fully reacted and separated through chemical mixing and precipitation, and the treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of etching liquid waste treatment, in particular to a waste liquid treatment device for etching liquid processing. Background Art

[0002] After all kinds of storage tanks of etching liquid manufacturers are used up, they need to be cleaned when used again. The waste liquid generated after cleaning must be treated harmlessly. Since common etching liquids include acidic copper chloride, alkaline copper chloride and ferric chloride, the metals in them need to be treated with emphasis.

[0003] At present, when treating the waste liquid used for etching liquid processing, generally, reagents are directly added for reaction treatment. However, the content of the components that need to be recovered and treated in the waste liquid obtained by washing is relatively low. If the waste liquid is directly added with reagents without concentration treatment, it will not only waste reagents, but also fail to react and precipitate efficiently. Therefore, it is necessary to design a waste liquid treatment device for etching liquid processing to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a waste liquid treatment device for etching liquid processing, so as to solve the problem proposed in the above background technology that at present, when treating the waste liquid for etching liquid processing, generally, a reagent is directly added for reaction treatment, but the content of the components to be recovered and treated in the waste liquid obtained by flushing is low, and the waste liquid is directly added with the reagent without being concentrated, which not only wastes the reagent, but also cannot react and precipitate efficiently.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste liquid treatment device for etching liquid processing, comprising a concentration box and a reaction box, a liquid inlet pipe is fixed to the top of one side of the concentration box, a superheated steam pipe is installed at the bottom of the concentration box, a heat dissipation fin is fixed to the top surface of the concentration box, a water collecting plate is fixed to the top of the inner wall of the other side of the concentration box, a drainage pipe is fixed through the top of the other side of the concentration box, a transfer pipe is fixed to the bottom of one side of the concentration box, the transfer pipe is connected to the top of one side of the reaction box, a dosing pipe is installed at the center of the top of the reaction box, a slag discharge pipe is installed at the center of the bottom of the reaction box, an extraction pipe is fixed to one side of the top of the reaction box, a servo motor is fixed to the middle of the other side of the reaction box, a horizontal shaft is installed on the servo motor, the horizontal shaft is rotatably installed in the middle of the reaction box through a sealed bearing, and a stirring fan blade is fixed on the horizontal shaft.

[0006] Preferably, the top surface of the concentration box is arranged as an inclined surface, and heat dissipation fins are densely arranged at equal intervals on the top surface of the concentration box.

[0007] Preferably, the diameter of the superheated steam pipe is larger than the diameter of the liquid inlet pipe, and the superheated steam pipe is distributed in a continuous "S" shape at the bottom of the inner side of the concentration tank.

[0008] Preferably, the water collecting plate is arranged at an angle, and the length of the water collecting plate is equal to the inner width of the concentration tank.

[0009] Preferably, the horizontal plane where the bottom end of the drain pipe is located is flush with the connection between the bottom end of the water collecting plate and the inner wall of the concentration box, and the center of the drain pipe and the center of the water collecting plate are on the same vertical plane.

[0010] Preferably, the bottom end of the extraction tube is lower than the horizontal plane where the center of the reaction box is located, and the bottom end of the extraction tube is higher than the bottom end of the stirring blade.

[0011] Preferably, the stirring blades are distributed at equal intervals on the horizontal axis, and the center of the stirring blades and the center of the reaction box are on the same horizontal plane.

[0012] Preferably, an observation window is installed on the front of the reaction box, and the bottom end of the observation window is lower than the bottom end of the stirring blade.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the waste liquid treatment device for etching liquid processing adopts a new structural design, which not only efficiently evaporates and concentrates the waste liquid, reduces the amount of reagents used, but also fully reacts and separates the metal components contained in the waste liquid through reagent mixing and precipitation, thereby improving the treatment efficiency;

[0014] 1. The waste liquid in the concentration tank is heated and evaporated through the superheated steam pipe. With the inclined top surface of the concentration tank and the radiating fins arranged at equal intervals, the water vapor is quickly condensed at the top of the inner side of the concentration tank and converged downward, concentrated at the water collecting plate, and finally discharged through the drain pipe to achieve efficient concentration;

[0015] 2. The concentrated waste liquid is passed into the reaction box through the transfer tube, and the reaction reagent is added through the dosing tube. The servo motor is driven to drive the stirring blades to rotate rapidly through the horizontal axis to fully mix the reagent and the waste liquid. After precipitation, the upper clear liquid is extracted through the extraction tube, and the precipitated waste residue is discharged through the slag discharge pipe to achieve efficient treatment of the waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the concentration box of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the concentrator box of the utility model from top view;

[0019] Figure 4 This is a schematic diagram of the side cross-sectional structure of the concentration box of the utility model;

[0020] Figure 5It is a front view cross-sectional structural schematic diagram of the utility model.

[0021] In the figure: 1. Concentration tank; 2. Liquid inlet pipe; 3. Superheated steam pipe; 4. Heat dissipation fins; 5. Water collecting plate; 6. Drain pipe; 7. Transfer pipe; 8. Reaction tank; 9. Dosing pipe; 10. Slag discharge pipe; 11. Extraction pipe; 12. Servo motor; 13. Horizontal axis; 14. Stirring blades; 15. Observation window. DETAILED DESCRIPTION

[0022] 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 in 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.

[0023] See also Figure 1-5 The utility model provides a technical solution: a waste liquid treatment device for etching liquid processing, comprising a concentration box 1, a liquid inlet pipe 2, a superheated steam pipe 3, a heat dissipation fin 4, a water collecting plate 5, a drain pipe 6, a transfer pipe 7, a reaction box 8, a dosing pipe 9, a slag discharge pipe 10, an extraction pipe 11, a servo motor 12, a horizontal shaft 13, a stirring fan 14 and an observation window 15. The liquid inlet pipe 2 is fixed to the top of one side of the concentration box 1, the superheated steam pipe 3 is installed at the bottom of the concentration box 1, the heat dissipation fin 4 is fixed to the top surface of the concentration box 1, and the water collecting plate 5 is fixed to the top of the inner wall of the other side of the concentration box 1. Plate 5, a drainage pipe 6 is fixedly passed through the top of the other side of the concentration tank 1, a transfer pipe 7 is fixedly installed at the bottom of one side of the concentration tank 1, the transfer pipe 7 is connected to the top of one side of the reaction tank 8, a dosing pipe 9 is installed at the center of the top of the reaction box 8, a slag discharge pipe 10 is installed at the center of the bottom of the reaction box 8, an extraction pipe 11 is fixedly installed on one side of the top of the reaction box 8, a servo motor 12 is fixed in the middle of the other side of the reaction box 8, a horizontal shaft 13 is installed on the servo motor 12, the horizontal shaft 13 is rotatably installed in the middle of the reaction box 8 through a sealed bearing, and a stirring fan blade 14 is fixedly installed on the horizontal shaft 13.

[0024] The top surface of the concentrator box 1 in this example is set as an inclined surface, and the top surface of the concentrator box 1 is densely and evenly spaced with heat dissipation fins 4. The above structural design ensures that water vapor can be quickly condensed at the top of the inner side of the concentrator box 1 and flow down along the inclined surface to gather.

[0025] The diameter of the superheated steam pipe 3 is greater than the diameter of the liquid inlet pipe 2 , and the superheated steam pipe 3 is distributed in a continuous "S" shape at the inner bottom of the concentration tank 1 . The above structural design enables the superheated steam to efficiently heat the waste liquid in the concentration tank 1 .

[0026] The water collecting plate 5 is inclined, and the length of the water collecting plate 5 is equal to the inner width of the concentration tank 1. The above structural design can efficiently collect the condensed water flowing down along the inner top surface of the concentration tank 1, so as to facilitate the discharge of the condensed water.

[0027] The horizontal plane where the bottom end of the drain pipe 6 is located is flush with the connection between the bottom end of the water collecting plate 5 and the inner wall of the concentration tank 1, and the center of the drain pipe 6 and the center of the water collecting plate 5 are on the same vertical plane. The above structural design ensures that the drain pipe 6 can smoothly discharge the condensed water collected at the water collecting plate 5.

[0028] The bottom end of the extraction tube 11 is lower than the horizontal plane where the center of the reaction box 8 is located, and the bottom end of the extraction tube 11 is higher than the bottom end of the stirring blade 14. The above structural design enables the extraction tube 11 to extract the upper clear liquid obtained after the reaction precipitation.

[0029] The stirring blades 14 are evenly spaced on the horizontal axis 13, and the center of the stirring blades 14 and the center of the reaction box 8 are on the same horizontal plane. The above structural design enables the stirring blades 14 to fully stir the waste liquid and the reagent.

[0030] An observation window 15 is installed on the front of the reaction box 8, and the bottom of the observation window 15 is lower than the bottom of the stirring blade 14. The above structural design can directly observe the amount of sediment in the reaction box 8, which is convenient for judging when to extract the clear liquid and discharge the waste residue.

[0031] Working principle: When using this device, firstly, the waste liquid obtained from cleaning the storage tank is passed into the concentration tank 1 through the liquid inlet pipe 2. At this time, the solenoid valve installed on the transfer pipe 7 is closed, and the waste liquid cannot flow out. The superheated steam is passed into the superheated steam pipe 3 through the steam generating device connected to the superheated steam pipe 3. The superheated steam heats the waste liquid in the concentration tank 1. The evaporated water vapor rises to the top of the concentration tank 1 and is quickly cooled and condensed by the heat dissipation fins 4. The condensed water flows down along the inclined top surface of the concentration tank 1, gathers at the water collecting plate 5, and is discharged through the drain pipe 6.

[0032] When the discharged condensed water exceeds half of the amount of waste liquid introduced, the solenoid valve installed on the transfer pipe 7 is opened, and the concentrated waste liquid enters the reaction box 8, the dosing pipe 9 is opened to add the reagent, and the servo motor 12 is started to drive the horizontal shaft 13 and the stirring fan blades 14 to rotate rapidly, so as to stir and mix the reagent and the waste liquid to allow the two to react fully, and then the servo motor 12 is closed for precipitation, and it is observed through the observation window 15. When the waste residue at the bottom approaches the bottom end of the extraction pipe 11, the upper clear liquid is extracted through the water pump connected to the extraction pipe 11, and then the slag discharge pipe 10 is opened to discharge the waste residue obtained by the reaction, and the waste liquid treatment is completed. This is the working principle of the waste liquid treatment device for etching liquid processing.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste liquid treatment device for etching liquid processing, comprising a concentration tank (1) and a reaction tank (8), characterized in that: A liquid inlet pipe (2) is fixed to the top of one side of the concentration tank (1), a superheated steam pipe (3) is installed at the bottom of the concentration tank (1), a heat dissipation fin (4) is fixed to the top surface of the concentration tank (1), a water collecting plate (5) is fixed to the top of the inner wall of the other side of the concentration tank (1), a drainage pipe (6) is fixed through the top of the other side of the concentration tank (1), a transfer pipe (7) is fixed to the bottom of one side of the concentration tank (1), the transfer pipe (7) is connected to the top of one side of the reaction tank (8), and the reaction tank (8) is connected to the top of one side of the reaction tank (8). A dosing pipe (9) is installed at the center of the top of the reaction box (8), a slag discharge pipe (10) is installed at the center of the bottom of the reaction box (8), an extraction pipe (11) is fixedly installed on one side of the top of the reaction box (8), a servo motor (12) is fixed in the middle of the other side of the reaction box (8), a horizontal shaft (13) is installed on the servo motor (12), the horizontal shaft (13) is rotatably installed in the middle of the reaction box (8) through a sealed bearing, and a stirring fan blade (14) is fixedly installed on the horizontal shaft (13).

2. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: The top surface of the concentration box (1) is arranged as an inclined surface, and heat dissipation fins (4) are densely arranged at equal intervals on the top surface of the concentration box (1).

3. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: The diameter of the superheated steam pipe (3) is greater than the diameter of the liquid inlet pipe (2), and the superheated steam pipe (3) is distributed in a continuous "S" shape at the bottom of the inner side of the concentration tank (1).

4. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: The water collecting plate (5) is arranged obliquely, and the length of the water collecting plate (5) is equal to the inner width of the concentration tank (1).

5. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: The horizontal plane where the bottom end of the drainage pipe (6) is located is flush with the connection between the bottom end of the water collecting plate (5) and the inner wall of the concentration box (1), and the center of the drainage pipe (6) and the center of the water collecting plate (5) are on the same vertical plane.

6. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: The bottom end of the extraction tube (11) is lower than the horizontal plane where the center of the reaction box (8) is located, and the bottom end of the extraction tube (11) is higher than the bottom end of the stirring blade (14).

7. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: The stirring blades (14) are distributed at equal intervals on the horizontal axis (13), and the centers of the stirring blades (14) and the center of the reaction box (8) are on the same horizontal plane.

8. The device for treating waste liquid for etching liquid processing according to claim 1, characterized in that: An observation window (15) is installed on the front of the reaction box (8), and the bottom end of the observation window (15) is lower than the bottom end of the stirring blade (14).

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