Chemical waste liquid treatment device

Abstract

The utility model relates to the technical field of waste liquid treatment, in particular to a chemical waste liquid treatment device. The chemical waste liquid treatment device comprises a supporting frame, an acid waste liquid tank and an alkaline waste liquid tank are installed at the top end of a top plate of the supporting frame, a neutralization tank is installed at the bottom of the top plate of the supporting frame, the acid waste liquid tank and the alkaline waste liquid tank are both communicated with the neutralization tank through guide pipes, and flow valves are arranged on the guide pipes; the controller is mounted on the top plate of the support frame and is electrically connected with the flow valve; the neutralization assembly is mounted in the neutralization tank, and the neutralization assembly comprises a hollow pipe rotationally mounted in the neutralization tank; the liquid guide pipe is mounted at the bottom end of the neutralization tank and communicated with the neutralization tank, a control valve is mounted on the liquid guide pipe, and a filter cartridge is mounted at the bottom end of the liquid guide pipe; and the air pump is installed on the supporting frame and electrically connected with the controller, and the air outlet end of the air pump communicates with the air injection pipe. The chemical waste liquid treatment device provided by the utility model has the advantages of simple structure and high treatment efficiency.

Description

Technical Field

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

[0002] Chemical waste liquid refers to the waste liquid generated when conducting chemical experiments or using chemical agents. Many of these waste liquids are toxic and will pollute the environment if discharged directly.

[0003] Existing chemical waste liquid treatment devices, such as a chemical waste liquid treatment device disclosed in publication number CN216236435U, belong to the technical field of chemical waste liquid treatment, and include an acidic waste liquid tank, an alkaline waste liquid tank, a neutral waste liquid tank and a support frame. The support frame is a frame structure with an upper and lower layer. The upper partition of the support frame is provided with a through hole. The acidic waste liquid tank and the alkaline waste liquid tank are placed side by side on the upper layer of the support frame, and the neutral waste liquid tank is placed on the lower layer of the support frame. The bottoms of the acidic waste liquid tank and the alkaline waste liquid tank are both connected to the inside of the neutral waste liquid tank through pipelines. A flow control switch is installed on the pipeline, and the flow control switch controls the flow rate. The tops of the acidic waste liquid tank and the alkaline waste liquid tank are both provided with upper covers, and the neutral waste liquid tank is provided with a liquid outlet and a cleaning cover. The acidic waste liquid and the alkaline waste liquid are neutralized in the neutral waste liquid tank, and only a single acid-base neutralization treatment can be performed. The treatment is too simple and cannot further treat complex chemical waste liquids.

[0004] Therefore, it is necessary to provide a new chemical waste liquid treatment device to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a chemical waste liquid treatment device with simple structure and high treatment efficiency.

[0006] The chemical waste liquid treatment device provided by the utility model comprises: a support frame, an acid waste liquid tank and an alkaline waste liquid tank are installed on the top of the top plate of the support frame, a neutralization tank is installed on the bottom of the top plate of the support frame, the acid waste liquid tank and the alkaline waste liquid tank are both connected to the neutralization tank through a conduit, and a flow valve is arranged on the conduit;

[0007] A controller, mounted on the top plate of the support frame and electrically connected to the flow valve;

[0008] A neutralization component is installed in the neutralization tank, and the neutralization component includes a hollow tube rotatably installed in the neutralization tank, a servo motor for driving the hollow tube to rotate is installed on one side of the neutralization tank, an air injection pipe is rotatably installed on one end of the hollow tube, the air injection pipe is fixedly connected to the neutralization tank, a plurality of air injection holes are evenly opened at one end of the hollow tube extending into the neutralization tank, and a vibration plate is installed on the outer side of the plurality of air injection holes on the hollow tube;

[0009] A liquid guide pipe is installed at the bottom end of the neutralization tank and communicated with the neutralization tank, a control valve is installed on the liquid guide pipe, and a filter cartridge is installed at the bottom end of the liquid guide pipe;

[0010] The air pump is installed on the support frame and is electrically connected to the controller, and the air outlet end of the air pump is connected to the air injection pipe.

[0011] Preferably, a liquid level sensor and a pH sensor are embedded in the acid waste liquid tank and the alkaline waste liquid tank, and the liquid level sensor and the pH sensor are electrically connected to the controller.

[0012] Preferably, the tops of the acidic waste liquid tank and the alkaline waste liquid tank are both threadedly mounted with barrel covers.

[0013] Preferably, a trough is provided on the inner side of the top of the acid waste liquid tank and the alkaline waste liquid tank, and a filter grid is installed in the trough.

[0014] Preferably, an electric heating mesh plate is embedded in the gas injection pipe, and the electric heating mesh plate is electrically connected to the controller.

[0015] Preferably, a filter mesh layer and an activated carbon layer are sequentially arranged in the filter cartridge from top to bottom.

[0016] Preferably, universal wheels are installed at the four corners of the bottom plate of the support frame.

[0017] Compared with the related art, the chemical waste liquid treatment device provided by the utility model has the following beneficial effects:

[0018] 1. The utility model provides a chemical waste liquid treatment device, which stores acidic waste liquid and alkaline waste liquid respectively by arranging an acidic waste liquid tank and an alkaline waste liquid tank, and automatically controls the neutralization of the acidic waste liquid and the alkaline waste liquid through a flow valve;

[0019] 2. A neutralization component is set in the neutralization tank. The neutralization component is combined with a hollow tube, a servo motor, an air injection tube, a vibrating plate, an electric heating screen and an air injection hole to accelerate the neutralization reaction rate while performing ultrasonic cleaning on the neutralization tank to further treat the waste liquid and improve the treatment effect of the chemical waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a preferred embodiment of a chemical waste liquid treatment device provided by the utility model;

[0021] Figure 2 A schematic diagram of the cross-section of the chemical waste liquid treatment device provided by the utility model;

[0022] Figure 3 A schematic diagram of the structure of the acid waste liquid tank provided by the utility model;

[0023] Figure 4 for Figure 2 A partial enlarged view of A shown.

[0024] Numbers in the figure: 1. Support frame; 11. Bucket cover; 12. Filter grid; 13. Universal wheel; 2. Acid waste liquid tank; 3. Alkaline waste liquid tank; 4. Neutralization tank; 5. Flow valve; 6. Controller; 61. Liquid level sensor; 62. pH sensor; 7. Neutralization component; 71. Hollow tube; 72. Servo motor; 73. Air injection pipe; 74. Vibrating plate; 75. Electric heating grid plate; 701. Air injection hole; 8. Liquid guide tube; 81. Control valve; 82. Filter cartridge; 9. Air pump. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0027] See also Figures 1 to 4 The present invention provides a chemical waste liquid treatment device, the chemical waste liquid treatment device comprising:

[0028] A support frame 1, an acid waste liquid tank 2 and an alkaline waste liquid tank 3 are installed on the top of the top plate of the support frame 1, a neutralization tank 4 is installed at the bottom of the top plate of the support frame 1, the acid waste liquid tank 2 and the alkaline waste liquid tank 3 are both connected to the neutralization tank 4 through a conduit, and a flow valve 5 is provided on the conduit;

[0029] A controller 6, mounted on the top plate of the support frame 1 and electrically connected to the flow valve 5;

[0030] A neutralization component 7 is installed in the neutralization tank 4, and the neutralization component 7 includes a hollow tube 71 rotatably installed in the neutralization tank 4, a servo motor 72 for driving the hollow tube 71 to rotate is installed on one side of the neutralization tank 4, an air injection pipe 73 is rotatably installed on one end of the hollow tube 71, and the air injection pipe 73 is fixedly connected to the neutralization tank 4, and a plurality of air injection holes 701 are evenly opened at one end of the hollow tube 71 extending into the neutralization tank 4, and a vibration plate 74 is installed on the outer side of the plurality of air injection holes 701 on the hollow tube 71;

[0031] A liquid guide tube 8 is installed at the bottom end of the neutralization tank 4 and communicated with the neutralization tank 4, and a control valve 81 is installed on the liquid guide tube 8, and a filter cartridge 82 is installed at the bottom end of the liquid guide tube 8;

[0032] The air pump 9 is installed on the support frame 1 and is electrically connected to the controller 6 , and the air outlet end of the air pump 9 is connected to the air injection pipe 73 .

[0033] The acid waste liquid tank 2 and the alkaline waste liquid tank 3 are both embedded with a liquid level sensor 61 and a pH sensor 62 , and the liquid level sensor 61 and the pH sensor 62 are both electrically connected to the controller 6 .

[0034] It should be noted that: when in use, the acid waste liquid tank 2 and the alkaline waste liquid tank 3 are used to store the acid waste liquid and the alkaline waste liquid in the chemical waste liquid respectively, and then the liquid level sensor 61 and the pH sensor 62 are used to monitor the liquid level and acidity and alkalinity in the acid waste liquid tank 2 and the alkaline waste liquid tank 3 in real time, and then the controller 6 controls the flow valve 5 to adjust the flow of the acid waste liquid tank 2 and the alkaline waste liquid tank 3 into the neutralization tank 4 according to the detected acidity and alkalinity, so as to achieve acid-base neutralization, and during neutralization, the servo motor 72 is started to drive the hollow tube 71 to rotate, and the high-pressure gas generated by the air pump 9 is synchronously injected into the hollow tube 71 through the air injection pipe 73, and then the vibration plate 74 is impacted through the air injection hole 701, and the vibration plate 74 rotates with the hollow tube 71 while generating high-frequency vibration and emitting ultrasonic waves, so as to achieve neutralization and stirring of the waste liquid in the neutralization tank 4, and at the same time, ultrasonic cleaning is performed to achieve efficient treatment of the waste liquid, and after treatment, the control valve 81 is opened to open the liquid guide tube 8, and the treated waste liquid is filtered through the filter cartridge 82 and discharged.

[0035] In the embodiments of the present invention, please refer to Figures 1 to 4 The tops of the acidic waste liquid tank 2 and the alkaline waste liquid tank 3 are both threadedly mounted with barrel covers 11;

[0036] The top inner sides of the acid waste liquid tank 2 and the alkaline waste liquid tank 3 are both provided with a trough, and a filter grid 12 is installed in the trough.

[0037] It should be noted that when the acid waste liquid tank 2 and the alkaline waste liquid tank 3 are used to collect the corresponding acid waste liquid and alkaline waste liquid, the waste liquid is filtered by the filter grid 12 and sealed by the barrel cover 11 after collection to prevent pollution caused by volatilization.

[0038] In the embodiments of the present invention, please refer to Figures 1 to 4 The gas injection pipe 73 is embedded with an electric heating mesh plate 75 , and the electric heating mesh plate 75 is electrically connected to the controller 6 .

[0039] It should be noted that when gas is injected into the hollow tube 71 through the gas injection pipe 73, the electric heating grid plate 75 is started to heat the gas flowing therethrough, thereby heating it during neutralization and stirring, thereby facilitating increasing the neutralization reaction speed.

[0040] In the embodiments of the present invention, please refer to Figures 1 to 4The filter cartridge 82 is provided with a filter mesh layer and an activated carbon layer in sequence from top to bottom.

[0041] It should be noted that after the waste liquid neutralized in the neutralization tank 4 is introduced into the filter cartridge 82 through the liquid guide tube 8, the impurities in the waste liquid are adsorbed by the filter mesh layer and the activated carbon layer to further achieve solid-liquid separation, and then the liquid is discharged.

[0042] In the embodiments of the present invention, please refer to Figures 1 to 4 Universal wheels 13 are installed at the four corners of the bottom plate of the support frame 1.

[0043] It should be noted that this makes it easier to push the support frame 1 to move, thereby improving the maneuverability of the device.

[0044] The working principle of the chemical waste liquid treatment device provided by the utility model is as follows:

[0045] When in use, the acid waste liquid tank 2 and the alkaline waste liquid tank 3 are used to store the acid waste liquid and the alkaline waste liquid in the chemical waste liquid respectively, and then the liquid level sensor 61 and the pH sensor 62 are used to monitor the liquid level and the acidity and alkalinity in the acid waste liquid tank 2 and the alkaline waste liquid tank 3 in real time, and then the controller 6 controls the flow valve 5 to adjust the flow of the acid waste liquid tank 2 and the alkaline waste liquid tank 3 into the neutralization tank 4 according to the detected acidity and alkalinity, so as to achieve acid-base neutralization. During neutralization, the servo motor 72 is started to drive the hollow tube 71 to rotate, and the high-pressure gas generated by the air pump 9 is synchronously The liquid is injected into the hollow tube 71 through the gas injection pipe 73, and then impacts the vibration plate 74 through the gas injection hole 701. The vibration plate 74 rotates with the hollow tube 71, generates high-frequency vibration and emits ultrasonic waves, so as to achieve neutralization and stirring of the waste liquid in the neutralization tank 4, and ultrasonic cleaning, so as to achieve efficient treatment of the waste liquid. After the treatment, the control valve 81 is opened to open the liquid guide pipe 8. After the waste liquid is introduced into the filter cartridge 82 through the liquid guide pipe 8, the impurities in the waste liquid are adsorbed by the filter mesh layer and the activated carbon layer, so as to further achieve solid-liquid separation, and then the liquid is discharged;

[0046] Furthermore, when gas is injected into the hollow tube 71 through the gas injection pipe 73, the electric heating grid plate 75 is started to heat the gas flowing therethrough, thereby heating the gas during neutralization and stirring, thereby facilitating increasing the neutralization reaction speed.

[0047] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0048] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A chemical waste liquid treatment device, comprising: A support frame (1), an acid waste liquid tank (2) and an alkaline waste liquid tank (3) are mounted on the top of a top plate of the support frame (1), a neutralization tank (4) is mounted on the bottom of the top plate of the support frame (1), the acid waste liquid tank (2) and the alkaline waste liquid tank (3) are both connected to the neutralization tank (4) via a conduit, and a flow valve (5) is arranged on the conduit; A controller (6) mounted on the top plate of the support frame (1) and electrically connected to the flow valve (5); It is characterized by further comprising: A neutralization component (7) is installed in the neutralization tank (4), and the neutralization component (7) comprises a hollow tube (71) rotatably installed in the neutralization tank (4), a servo motor (72) for driving the hollow tube (71) to rotate is installed on one side of the neutralization tank (4), an air injection pipe (73) is rotatably installed on one end of the hollow tube (71), the air injection pipe (73) is fixedly connected to the neutralization tank (4), a plurality of air injection holes (701) are evenly opened at one end of the hollow tube (71) extending into the neutralization tank (4), and a vibration plate (74) is installed on the outer sides of the plurality of air injection holes (701) on the hollow tube (71); a liquid guide tube (8) installed at the bottom end of the neutralization tank (4) and in communication with the neutralization tank (4); a control valve (81) is installed on the liquid guide tube (8); and a filter cartridge (82) is installed at the bottom end of the liquid guide tube (8); An air pump (9) is mounted on the support frame (1) and is electrically connected to the controller (6), and an air outlet end of the air pump (9) is in communication with an air injection pipe (73).

2. The chemical waste liquid treatment device according to claim 1, characterized in that: A liquid level sensor (61) and a pH sensor (62) are embedded in the acid waste liquid tank (2) and the alkaline waste liquid tank (3), and the liquid level sensor (61) and the pH sensor (62) are electrically connected to the controller (6).

3. The chemical waste liquid treatment device according to claim 1, characterized in that: The tops of the acid waste liquid tank (2) and the alkaline waste liquid tank (3) are both threadedly mounted with barrel covers (11).

4. The chemical waste liquid treatment device according to claim 3, characterized in that: The top inner sides of the acid waste liquid tank (2) and the alkaline waste liquid tank (3) are both provided with a trough, and a filter grid (12) is installed in the trough.

5. The chemical waste liquid treatment device according to claim 1, characterized in that: The gas injection pipe (73) is embedded with an electric heating mesh plate (75), and the electric heating mesh plate (75) is electrically connected to the controller (6).

6. The chemical waste liquid treatment device according to claim 1, characterized in that: The filter cartridge (82) is provided with a filter mesh layer and an activated carbon layer in sequence from top to bottom.

7. The chemical waste liquid treatment device according to claim 1, characterized in that: Universal wheels (13) are installed at the four corners of the bottom plate of the support frame (1).

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