Hydrofluoric acid waste liquid treatment device

Abstract

The utility model relates to the technical field of waste liquid treatment, and discloses a hydrofluoric acid waste liquid treatment device which comprises a treatment tank, a supporting frame is arranged at the bottom of the treatment tank, a waste liquid treatment mechanism is arranged on the surface of the treatment tank and comprises a stirring assembly and a waste liquid filtering assembly, the stirring assembly is arranged in the treatment tank, and the waste liquid filtering assembly is arranged in the treatment tank. A waste liquid filtering assembly is arranged at the left end of the bottom of the treatment tank, a waste gas purifying box supporting frame is fixedly connected to the back face of a supporting frame, a waste gas purifying mechanism is arranged at the top of the waste gas purifying box supporting frame, and after the waste liquid reacts with a medicament, the waste liquid can be discharged into a filtering box to be filtered by opening a liquid valve; according to the waste liquid treatment device, harmful substances in waste liquid can be effectively filtered out, after the waste liquid is treated and discharged, the filter plate can be taken out by opening the access door, the filter plate can be rapidly replaced and maintained, and the service cycle and the service life of the device are guaranteed.

Description

Technical Field

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

[0002] Hydrofluoric acid is an aqueous solution of hydrogen fluoride gas, a clear, colorless, fuming corrosive liquid with a strong pungent odor. Hydrofluoric acid is a weak acid that is extremely corrosive and can strongly corrode metals, glass, and silicon-containing objects. Inhaling vapor or contact with the skin can cause incurable burns. Laboratories generally use fluorite (the main component is calcium fluoride) and concentrated sulfuric acid to make it. It needs to be sealed in a plastic bottle and stored in a cool place.

[0003] According to a hydrofluoric acid waste liquid treatment device disclosed on the patent website (authorization announcement number: CN215524955U), "The utility model discloses a hydrofluoric acid waste liquid treatment device, including a device body, a connecting pipe, a fixing ring, a pair of leakage observation rings, and a flexible storage box; the connecting pipe is connected to one side of the device body; the fixing ring is sleeved on the outside of the connecting pipe, and a pair of mounting fixing grooves are cut on the fixing ring; a pair of leakage observation rings are arranged in the mounting fixing grooves, and a plurality of evenly distributed supporting screens are connected to the leakage observation rings; the flexible storage box is arranged between the pair of leakage observation rings. The advantages of the utility model include the ability to detect whether there is a leakage of hydrogen fluoride gas during the use of the hydrofluoric acid waste liquid treatment device, which improves the convenience of the staff to monitor the operating status of the hydrofluoric acid waste liquid treatment device, reduces the risk of damage to the health of the staff during the use of the hydrofluoric acid waste liquid treatment device, and improves the safety of the hydrofluoric acid waste liquid treatment device during use."

[0004] Based on the above, the applicant believes that there are the following defects:

[0005] The hydrofluoric acid waste liquid treatment device includes a device body, a connecting pipe, a fixing ring, a pair of leakage observation rings, and a flexible storage box; the connecting pipe is connected to one side of the device body. The device treats the waste liquid through a filter plate, but the filter plate of the device cannot be quickly removed, replaced, and maintained, which will reduce the treatment effect of the device over time. Utility Model Content

[0006] The purpose of the utility model is to provide a hydrofluoric acid waste liquid treatment device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrofluoric acid waste liquid treatment device, comprising a treatment tank, a support frame is arranged at the bottom of the treatment tank, a waste liquid treatment mechanism is arranged on the surface of the treatment tank, the waste liquid treatment mechanism comprises a stirring component and a waste liquid filter component, the stirring component is arranged inside the treatment tank, the waste liquid filter component is arranged at the left end of the bottom of the treatment tank, the back of the support frame is fixedly connected to the exhaust gas purification box support frame, and the exhaust gas purification mechanism is arranged on the top of the exhaust gas purification box support frame;

[0008] The waste liquid filtering assembly includes a through pipe, which is fixedly connected to the left end of the bottom of the processing tank, a liquid valve is arranged on the surface of the through pipe, a filter box is fixedly connected to the bottom of the through pipe, an inspection door is arranged on the front of the filter box, a mounting frame is fixedly connected to the left and right sides of the inside of the filter box, a filter plate is inserted into the mounting frame, a drain pipe is fixedly connected to the bottom of the right side of the filter box, and a drain valve is arranged on the surface of the drain pipe. After the waste liquid reacts with the reagent, the liquid valve can be opened to discharge the waste liquid into the filter box for filtering treatment, thereby ensuring that harmful substances in the waste liquid can be effectively filtered out. After the waste liquid is treated and discharged, the filter plate can be taken out by opening the inspection door, and the filter plate can be quickly replaced and repaired, thereby ensuring the service life and service life of the device.

[0009] Preferably, the mounting rack is provided in four groups, and the filter plates are provided in four groups.

[0010] Preferably, the stirring assembly includes a motor, which is arranged at the bottom center of the treatment tank, the top of the motor is rotatably connected to a stirring shaft, the surface of the stirring shaft is fixedly connected to a fixed sleeve, and the surface of the fixed sleeve is fixedly connected to a stirring plate. When the waste liquid is treated, the waste liquid and the corresponding reagents are added to the inside of the treatment tank for reaction. By arranging the stirring assembly, the liquid valve can be rotated to drive the inspection door to stir the waste liquid and the reagent, thereby accelerating the treatment efficiency of the waste liquid.

[0011] Preferably, the stirring shaft is rotatably connected to the top output end of the motor, and the stirring shaft, the fixing sleeve and the stirring plate are arranged inside the processing tank.

[0012] Preferably, the exhaust gas purification mechanism includes an exhaust gas purification box, which is fixedly connected to the top of the exhaust gas purification box support frame, and a top cover is provided on the top of the exhaust gas purification box. An air intake pipe is fixedly connected to the right side of the exhaust gas purification box, and an air intake fan is provided at the end of the air intake pipe away from the exhaust gas purification box. A second mounting frame is fixedly connected to the front and rear ends of the exhaust gas purification box, and an adsorption filter is inserted into the second mounting frame. An exhaust pipe is fixedly connected to the left side of the exhaust gas purification box, an exhaust fan is provided at the left end of the exhaust pipe, and a dust net is provided at the left end of the exhaust pipe.

[0013] Preferably, a support frame is provided at the bottom of the processing tank, a fixing frame is fixedly connected to the bottom of the support frame, a support ring is fixedly connected to the inner side of the support frame, the support ring is provided at the bottom of the processing tank surface, an exhaust gas purification box support frame is fixedly connected to the back of the support frame, and a feeding port is fixedly connected to the left end of the top of the processing tank.

[0014] Compared with the prior art, the utility model provides a hydrofluoric acid waste liquid treatment device, which has the following beneficial effects:

[0015] The hydrofluoric acid waste liquid treatment device is provided with a waste liquid filtering component. After the waste liquid reacts with the reagent, the liquid valve can be opened to discharge the waste liquid into the filter box for filtering treatment, thereby ensuring that harmful substances in the waste liquid can be effectively filtered out. After the waste liquid is treated and discharged, the filter plate can be taken out by opening the inspection door, and the filter plate can be quickly replaced and repaired, thereby ensuring the service life and service life of the device.

[0016] The hydrofluoric acid waste liquid treatment device is provided with a stirring component. When the waste liquid is treated, the waste liquid and the corresponding reagent are added into the treatment tank for reaction. By providing the stirring component, the liquid valve can be rotated to drive the inspection door to stir the waste liquid and the reagent, thereby accelerating the treatment efficiency of the waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the stirring assembly of the utility model structure;

[0020] Figure 3 This is a schematic diagram of the waste liquid filtering component of the utility model structure;

[0021] Figure 4 This is a schematic diagram of the waste gas purification box of the utility model structure;

[0022] Figure 5 It is a schematic diagram of the exhaust gas purification mechanism of the utility model structure.

[0023] In the figure: 1. fixing frame; 2. supporting frame; 3. processing tank; 4. supporting ring; 5. supporting frame of exhaust gas purification box; 6. feeding port; 7. waste liquid treatment mechanism; 71. stirring assembly; 711. motor; 712. stirring shaft; 713. fixing sleeve; 714. stirring plate; 72. waste liquid filter assembly; 721. through pipe; 722. liquid valve; 723. filter box; 724. inspection door; 725. mounting frame one; 726. filter plate; 727. drain pipe; 728. drain valve; 8. exhaust gas purification mechanism; 81. exhaust gas purification box; 82. top cover; 83. air inlet pipe; 84. air inlet fan; 85. mounting frame two; 86. adsorption filter; 87. exhaust pipe; 88. exhaust fan; 89. dust net. DETAILED DESCRIPTION

[0024] 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.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The utility model provides the following technical solutions:

[0027] For example, see Figure 1-3 The hydrofluoric acid waste liquid treatment device includes a treatment tank 3, a support frame 2 is arranged at the bottom of the treatment tank 3, a waste liquid treatment mechanism 7 is arranged on the surface of the treatment tank 3, the waste liquid treatment mechanism 7 includes a stirring component 71 and a waste liquid filter component 72, the stirring component 71 is arranged inside the treatment tank 3, the waste liquid filter component 72 is arranged at the left end of the bottom of the treatment tank 3, the back of the support frame 2 is fixedly connected to the exhaust gas purification box support frame 5, and the top of the exhaust gas purification box support frame 5 is provided with an exhaust gas purification mechanism 8;

[0028] The waste liquid filter assembly 72 includes a pipe 721, which is fixedly connected to the left end of the bottom of the treatment tank 3 through the pipe 721, a liquid valve 722 is arranged on the surface of the pipe 721, a filter box 723 is fixedly connected to the bottom of the pipe 721, and an inspection door 724 is arranged on the front of the filter box 723. The left and right sides of the filter box 723 are fixedly connected with a placement frame 725, and a filter plate 726 is inserted in the placement frame 725. A drain pipe 727 is fixedly connected to the bottom of the right side of the filter box 723, and a drain valve 728 is arranged on the surface of the drain pipe 727. After the waste liquid reacts with the reagent, the liquid valve 722 can be opened to discharge the waste liquid into the filter box 723 for filtering treatment, so as to ensure that the harmful substances in the waste liquid can be effectively filtered out. After the waste liquid is treated and discharged, the filter plate 726 can be taken out by opening the inspection door 724, and the filter plate 726 can be quickly replaced and repaired to ensure the service life and service life of the device.

[0029] The mounting frame 725 is provided with four groups, and the filter plate 726 is provided with four groups;

[0030] The stirring assembly 71 includes a motor 711, which is arranged at the bottom center of the processing tank 3. The top of the motor 711 is rotatably connected to a stirring shaft 712, a fixed sleeve 713 is fixedly connected to the surface of the stirring shaft 712, and a stirring plate 714 is fixedly connected to the surface of the fixed sleeve 713. When the waste liquid is treated, the waste liquid and the corresponding reagent are added to the inside of the processing tank 3 for reaction. By setting the stirring assembly 71, the liquid valve 722 can be rotated to drive the inspection door 724 to stir the waste liquid and the reagent, thereby accelerating the treatment efficiency of the waste liquid;

[0031] The stirring shaft 712 is rotatably connected to the top output end of the motor 711 . The stirring shaft 712 , the fixing sleeve 713 and the stirring plate 714 are arranged inside the processing tank 3 .

[0032] For example 2, please refer to Figure 1-5 , and on the basis of the first embodiment, the exhaust gas purification mechanism 8 further comprises an exhaust gas purification box 81, the exhaust gas purification box 81 is fixedly connected to the top of the exhaust gas purification box support frame 5, a top cover 82 is arranged on the top of the exhaust gas purification box 81, an air intake pipe 83 is fixedly connected to the right side of the exhaust gas purification box 81, an air intake fan 84 is arranged at one end of the air intake pipe 83 away from the exhaust gas purification box 81, a placement frame 2 85 is fixedly connected to the front and rear ends of the exhaust gas purification box 81, an adsorption filter 86 is inserted inside the placement frame 2 85, an exhaust pipe 87 is fixedly connected to the left side of the exhaust gas purification box 81, an exhaust fan 88 is arranged at the left end of the exhaust pipe 87, and a dustproof net 89 is arranged at the left end of the exhaust pipe 87;

[0033] A support frame 2 is provided at the bottom of the processing tank 3, a fixing frame 1 is fixedly connected to the bottom of the support frame 2, a support ring 4 is fixedly connected to the inner side of the support frame 2, the support ring 4 is provided at the bottom of the surface of the processing tank 3, an exhaust gas purification box support frame 5 is fixedly connected to the back of the support frame 2, and a feeding port 6 is fixedly connected to the left end of the top of the processing tank 3.

[0034] In actual operation, when this device is used, the waste liquid and the corresponding liquid medicine are added to the inside of the treatment tank 3 through the feeding port 6, and the motor 711 at the bottom of the device is started to drive the stirring shaft 712 to rotate, and the reaction speed is accelerated by the stirring plate 714. Then, the liquid valve 722 is opened to discharge the reacted waste liquid through the pipeline 721 to the inside of the filter box 723 for filtering treatment to ensure that the harmful substances in the waste liquid can be effectively filtered out. After the waste liquid is treated and discharged, the filter plate 726 can be taken out by opening the inspection door 724, and the filter plate 726 can be quickly replaced and repaired to ensure the service life and service life of the device. The filtered waste liquid can be discharged through the drain pipe 727 by opening the drain valve 728. Waste gas may be generated during the liquid reaction inside the treatment tank 3. The waste gas enters the waste gas purification box 81 through the intake fan 84, and is adsorbed by the adsorption filter 86 to adsorb the harmful substances in the waste gas. The gas after adsorption treatment will be discharged through the exhaust fan 88.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A hydrofluoric acid waste liquid treatment device, comprising a treatment tank (3), characterized in that: A support frame (2) is provided at the bottom of the processing tank (3); a waste liquid treatment mechanism (7) is provided on the surface of the processing tank (3); the waste liquid treatment mechanism (7) comprises a stirring assembly (71) and a waste liquid filtering assembly (72); the stirring assembly (71) is provided inside the processing tank (3); the waste liquid filtering assembly (72) is provided at the left end of the bottom of the processing tank (3); an exhaust gas purification box support frame (5) is fixedly connected to the back of the support frame (2); and an exhaust gas purification mechanism (8) is provided on the top of the exhaust gas purification box support frame (5); The waste liquid filtering assembly (72) comprises a through pipe (721), the through pipe (721) being fixedly connected to the left end of the bottom of the processing tank (3), a liquid valve (722) being provided on the surface of the through pipe (721), a filter box (723) being fixedly connected to the bottom of the through pipe (721), an inspection door (724) being provided on the front of the filter box (723), a placement frame 1 (725) being fixedly connected to the left and right sides of the inside of the filter box (723), a filter plate (726) being inserted into the inside of the placement frame 1 (725), a liquid discharge pipe (727) being fixedly connected to the bottom of the right side of the filter box (723), and a liquid discharge valve (728) being provided on the surface of the liquid discharge pipe (727).

2. The hydrofluoric acid waste liquid treatment device according to claim 1, characterized in that: The first placement frame (725) is provided in four groups, and the filter plates (726) are provided in four groups.

3. The hydrofluoric acid waste liquid treatment device according to claim 1, characterized in that: The stirring assembly (71) comprises a motor (711), the motor (711) being arranged at the bottom centre of the processing tank (3), the top of the motor (711) being rotatably connected to a stirring shaft (712), the surface of the stirring shaft (712) being fixedly connected to a fixing sleeve (713), and the surface of the fixing sleeve (713) being fixedly connected to a stirring plate (714).

4. The hydrofluoric acid waste liquid treatment device according to claim 3, characterized in that: The stirring shaft (712) is rotatably connected to the top output end of the motor (711); the stirring shaft (712), the fixing sleeve (713) and the stirring plate (714) are arranged inside the processing tank (3).

5. The hydrofluoric acid waste liquid treatment device according to claim 1, characterized in that: The exhaust gas purification mechanism (8) comprises an exhaust gas purification box (81), the exhaust gas purification box (81) is fixedly connected to the top of the exhaust gas purification box support frame (5), the top of the exhaust gas purification box (81) is provided with a top cover (82), the right side of the exhaust gas purification box (81) is fixedly connected to an air intake pipe (83), an end of the air intake pipe (83) away from the exhaust gas purification box (81) is provided with an air intake fan (84), the front and rear ends of the exhaust gas purification box (81) are fixedly connected to a second placement frame (85), an adsorption filter (86) is inserted into the second placement frame (85), the left side of the exhaust gas purification box (81) is fixedly connected to an exhaust pipe (87), the left end of the exhaust pipe (87) is provided with an exhaust fan (88), and the left end of the exhaust pipe (87) is provided with a dustproof net (89).

6. The hydrofluoric acid waste liquid treatment device according to claim 1, characterized in that: The bottom of the support frame (2) is fixedly connected to a fixing frame (1), the inner side of the support frame (2) is fixedly connected to a supporting ring (4), the supporting ring (4) is arranged at the bottom of the surface of the processing tank (3), and the top left end of the processing tank (3) is fixedly connected to a feeding port (6).

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