Treatment device for heavy metal wastewater containing antimony and arsenic

Abstract

The utility model discloses an antimony-arsenic-containing heavy metal wastewater treatment device which comprises a wastewater treatment box, a base plate is buckled on one side of the wastewater treatment box, a box plate is fixedly connected to the outer side of the wastewater treatment box, the outer side of the base plate and the outer side of the box plate are sleeved with plate supports, one side of the base plate is connected with a sediment box in a screwed mode, and the sediment box is connected with a water tank in a screwed mode. Relates to the technical field of antimony-arsenic heavy metal wastewater treatment. According to the utility model, the base plate is buckled with the wastewater treatment tank, and the outer sides of the base plate and the tank plate are sleeved with the plate supports, so that when wastewater containing antimony and arsenic heavy metals is input into the wastewater treatment tank, the plate supports can be used as supporting frames to drive the wastewater treatment tank to rotate under the action of the base plate and the tank plate; therefore, the antimony-arsenic-containing heavy metal wastewater in the wastewater treatment tank can shake in the wastewater treatment tank, precipitates of the antimony-arsenic-containing heavy metal wastewater can be uniformly laid on the rotating blades, and the problem that equipment meshes are blocked due to concentrated precipitation of the antimony-arsenic-containing heavy metal wastewater is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of antimony-arsenic heavy metal wastewater treatment, in particular to a device for treating antimony-arsenic heavy metal wastewater. Background Art

[0002] In the prior art, water bodies are severely contaminated by arsenic organic matter, which may cause serious harm to human health when present in excessive amounts in water. Arsenic-contaminated water is usually caused by activities such as mineral mining, industrial wastewater discharge, and the use of agricultural fertilizers and pesticides. Long-term drinking or contact with water containing high concentrations of arsenic may lead to arsenic poisoning, causing damage to the liver, kidneys, cardiovascular system and nervous system, and increasing the risk of cancer.

[0003] The public number is HYPERLINK "https: / / www.uyanip.com / result?exp=GKH:(CN219792652U)" \t The patent "https: / / www.uyanip.com / _blank"CN219792652U discloses a heavy metal wastewater treatment device, which specifically discloses "a heavy metal wastewater treatment device. The heavy metal wastewater treatment device includes: a sewage storage box, the top of which is provided with an inlet; a treatment box, the treatment box is fixedly mounted on the top of the sewage storage box, and the treatment box is arranged corresponding to the inlet; a rotating shaft, the rotating shaft is rotatably mounted on the top inner wall of the treatment box, and the top end of the rotating shaft extends to the outside of the treatment box; a plurality of stirring plates, and the plurality of stirring plates are fixedly mounted on the rotating shaft; a first motor, the first motor is fixedly mounted on the top of the treatment box, and the output shaft of the first motor is fixedly connected to the top end of the rotating shaft". The technical scheme realizes the technical effect that "the heavy metal wastewater treatment device provided by the utility model has the advantages of good working efficiency, convenience for the cleaning work of the device, and good use effect".

[0004] However, the device does not circulate the wastewater during wastewater treatment, resulting in a large amount of residues in the wastewater treatment process, and there is room for improvement. Utility Model Content

[0005] The purpose of the utility model is to provide a device for treating wastewater containing antimony and arsenic heavy metals to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for treating antimony and arsenic heavy metal wastewater, comprising a wastewater treatment box, a chassis is buckled on one side of the wastewater treatment box, a box plate is fixedly connected to the outside of the wastewater treatment box, a plate holder is sleeved on the outside of the chassis and the box plate, and a sedimentation box is screwed on one side of the chassis.

[0007] As a further solution of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, one end of the rotor is fixedly connected to a rotating disk, and the end of the rotating disk away from the rotor passes through the wastewater treatment tank and is fixedly connected to a rotating blade.

[0008] As a further solution of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, the chassis includes a movable plate and a screw ring, a part of one side of the movable plate is buckled with the wastewater treatment box, and the other part is buckled with the chassis, and the chassis is screwed with the sedimentation box through the screw ring.

[0009] As a further solution of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, the interior of the movable disk is fixedly connected with a dynamic seal, and one end of the rotating disk passes through the wastewater treatment box and is rotatably connected to the dynamic seal.

[0010] As a further solution of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, a sealing cover is fixedly connected to one side of the movable disk, and the dynamic seal and the end surface of the rotating disk are both accommodated inside the sealing cover.

[0011] As a further solution of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, a handle is fixedly connected to one side of the movable disk.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By buckling the chassis with the wastewater treatment box, and the outer sides of the chassis and the box tray are sleeved with a tray support, when the antimony and arsenic heavy metal wastewater is input into the wastewater treatment box, the tray support can be used as a support frame to drive the wastewater treatment box to rotate under the action of the chassis and the box tray, so that the antimony and arsenic heavy metal wastewater inside the wastewater treatment box can be shaken in the wastewater treatment box, so that the precipitation of the antimony and arsenic heavy metal wastewater can be laid on the rotating blades more evenly, avoiding the problem of concentrated precipitation of the antimony and arsenic heavy metal wastewater causing blockage of the equipment mesh;

[0014] 2. When the equipment rotates to drive the antimony-arsenic heavy metal wastewater to settle on the rotating blades, the equipment can be slowly erected and the rotor can be upright toward the ground. At this time, the sedimentation box is turned open and used as a recovery pool. The chassis is decoupled from the wastewater treatment box and the antimony-arsenic heavy metal wastewater is slowly poured into the sedimentation box. At this time, the water remaining in the wastewater treatment box is the wastewater with a large amount of antimony and arsenic precipitation. Therefore, the antimony-arsenic heavy metal wastewater can be precipitated and recycled for multiple times by repeating the above steps until the antimony and arsenic content in the wastewater in the sedimentation box is no longer detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the overall structure of a device for treating heavy metal wastewater containing antimony and arsenic according to the utility model;

[0016] Figure 2 This is one of the schematic diagrams of the overall structure of a device for treating heavy metal wastewater containing antimony and arsenic according to the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a bottom plate, a movable plate and a spiral ring in a device for treating heavy metal wastewater containing antimony and arsenic according to the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the rotating blades and rotating disks in a device for treating wastewater containing antimony and arsenic heavy metals according to the utility model;

[0019] Figure 5 This is the second schematic diagram of the overall structure of a device for treating wastewater containing antimony and arsenic heavy metals according to the utility model;

[0020] In the figure: 1. wastewater treatment tank; 11. tank tray; 2. bottom tray; 21. movable tray; 22. handle; 23. screw ring; 3. tray support; 4. rotator; 41. rotating blade; 42. rotating tray; 5. sedimentation tank; 6. dynamic seal; 7. sealing cover. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0023] During the laboratory stage of this application, we thoroughly consulted a large amount of literature and visited sewage treatment plants, water plants, water sources, etc. to discover the current status of water pollution and explore the pain points of the industry. We applied for a patent with the goal of innovating water pollution treatment technology.

[0024] After one and a half years of program development and three months of repeated experiments and proportioning, we successfully developed the "persulfate intercalated layered composite metal hydroxide" adsorbent. This adsorbent has a porous structure and a high specific surface area. Compared with other domestic and foreign materials on the market, it has the following four advantages:

[0025] First, the adsorption rate is high, about 96.7%, which is 15.6% higher than other materials;

[0026] Second, the conversion rate is strong, and the difficult-to-adsorb As(III) is efficiently converted into As(V), with a conversion rate of 80%;

[0027] Third, the adsorption residence time is short, and 96.7% of arsenic in water can be adsorbed in 1 minute, which is about 20% shorter than that of domestic competing products;

[0028] Fourth, it has a wide adsorption range and can adsorb full-valence As. It can also adsorb most other anions in the same main group as arsenic and antimony, and can achieve full-valence adsorption of As(III) and As(V) elements. Its technology is leading in China.

[0029] The "persulfate intercalated layered composite metal hydroxide" adsorbent of this product adopts the roasting and recovery method to stratify the valence state after mixed metal precipitation, and then removes anions through high-temperature calcination, and performs a sulfate cold drying step to finally make a composite metal hydroxide. The layered composite metal hydroxide used in this product, in which the LDHs interlayer anions exchange with anions, is generated by a single process, and the specific state improves the material adsorption rate. It is used for the first time in the simultaneous removal of organic pollutants and arsenic and antimony composite pollution. The addition of copper ions produces a catalytic effect, which converts trivalent arsenic into pentavalent arsenic to produce better adsorption.

[0030] Compared with similar products at home and abroad, it has the following four advantages:

[0031] The adsorption rate of this material is as high as 96.7%, which is 15.6% higher than other materials;

[0032] Strong conversion rate, it can efficiently convert the difficult-to-adsorb As(III) into As(V), with a conversion rate of 80%;

[0033] The adsorption residence time is short, and 96.7% of arsenic in water can be adsorbed per minute, which is about 20% shorter than that of domestic competing products;

[0034] It has a wide adsorption range and can adsorb full-valence As. It can also adsorb most other anions in the same main group as arsenic and antimony. The technology is leading in China.

[0035] This application abandons the traditional adsorption method and uses a simple-to-operate, single-process device to treat a large amount of water with a low pollution level. By sampling and analyzing arsenic-contaminated water, the project product is improved and achievements are planned in the following aspects:

[0036] 1) Maintain human health and ecological balance: Research on treatment methods for arsenic-contaminated water can effectively reduce the risk of people being exposed to arsenic and reduce the incidence of diseases. Ensure the sustainable use of resources and the stability of the ecological environment. Protect biodiversity, improve the quality and output of agricultural and livestock products, and achieve harmonious coexistence between man and nature.

[0037] 2) Providing scientific basis and promoting economic industries: Through the research on the treatment methods of arsenic-contaminated water bodies, it can provide scientific basis for relevant government departments and environmental protection organizations to formulate reasonable arsenic pollution control policies and emission reduction measures. The development and application of efficient and low-cost arsenic treatment technology can also bring economic benefits to related industries and promote technological innovation and industrial upgrading.

[0038] 3) Narrow the gap between domestic and foreign arsenic treatment technologies in water: Compared with foreign arsenic treatment products, the products of this project reduce the cost of arsenic pollution treatment technology in water; promote the industrialization process of domestic arsenic pollution treatment technology, reduce treatment costs, and improve production scale and efficiency; achieve faster adsorption rate and greater adsorption capacity.

[0039] 4) Create revenue and talent training for the water treatment industry: Used for research on the treatment of various chemical substances in water, indirectly provide employment environment for talents to solve the problem of difficulty in finding employment and settling down; strengthen talent training in the field of arsenic pollution treatment technology, and improve technology research and development and application capabilities.

[0040] Based on this, in the embodiment of the utility model, an equipment technical solution using a "persulfate intercalated layered composite metal hydroxide" adsorbent is proposed, specifically including:

[0041] Other embodiments of the utility model: A device for treating wastewater containing antimony and arsenic heavy metals, comprising a wastewater treatment box 1, a chassis 2 is buckled on one side of the wastewater treatment box 1, a box plate 11 is fixedly connected to the outside of the wastewater treatment box 1, a plate holder 3 is sleeved on the outside of the chassis 2 and the box plate 11, and a sedimentation box 5 is screwed on one side of the chassis 2.

[0042] See also Figure 1 , Figure 2 and Figure 5 By buckling the chassis 2 with the wastewater treatment box 1, and the outer sides of the chassis 2 and the box plate 11 are both sleeved with a disc support 3, when the antimony and arsenic heavy metal wastewater is input into the wastewater treatment box 1, the disc support 3 can be used as a support frame to drive the wastewater treatment box 1 to rotate under the action of the chassis 2 and the box plate 11, so that the antimony and arsenic heavy metal wastewater inside the wastewater treatment box 1 can be shaken in the wastewater treatment box 1, so that the precipitation of the antimony and arsenic heavy metal wastewater can be more evenly laid on the rotating blades 41, avoiding the problem of concentrated precipitation of the antimony and arsenic heavy metal wastewater causing clogging of the equipment mesh.

[0043] See also Figure 2 and Figure 4 When the equipment rotates and drives the antimony-arsenic heavy metal wastewater to settle on the rotating blades 41, the equipment can be slowly erected and the rotor 4 can be erected toward the ground. At this time, the sedimentation box 5 is turned open and used as a recovery pool. The chassis 2 is decoupled from the wastewater treatment box 1 and the antimony-arsenic heavy metal wastewater is slowly poured into the sedimentation box 5. At this time, the water remaining in the wastewater treatment box 1 is wastewater with a large amount of antimony and arsenic precipitation. Therefore, the antimony-arsenic heavy metal wastewater can be precipitated and recycled for multiple times by repeating the above steps until the wastewater in the sedimentation box 5 is no longer detected to contain antimony and arsenic.

[0044] Other embodiments of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, one end of the rotor 4 is fixedly connected to a rotating disk 42, and the end of the rotating disk 42 away from the rotor 4 passes through the wastewater treatment box 1 and is fixedly connected to a rotating blade 41.

[0045] Other embodiments of the utility model: A device for treating wastewater containing antimony and arsenic heavy metals, the chassis 2 includes a movable disk 21 and a screw ring 23, a part of one side of the movable disk 21 is buckled with the wastewater treatment box 1, and the other part is buckled with the chassis 2, and the chassis 2 is screwed with the sedimentation box 5 through the screw ring 23.

[0046] Other embodiments of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, wherein a dynamic seal 6 is fixedly connected to the inside of the movable disk 21, and one end of the rotating disk 42 is rotatably connected to the dynamic seal 6 after passing through the wastewater treatment box 1.

[0047] Other embodiments of the utility model: a device for treating wastewater containing antimony and arsenic heavy metals, a sealing cover 7 is fixedly connected to one side of the movable disk 21 , and the dynamic seal 6 and the end surface of the rotating disk 42 are both accommodated inside the sealing cover 7 .

[0048] Other embodiments of the present invention: A device for treating wastewater containing antimony and arsenic heavy metals, wherein a handle 22 is fixedly connected to one side of the movable disk 21 .

[0049] The working principle of the utility model is: by buckling the chassis 2 with the wastewater treatment box 1, and the outer sides of the chassis 2 and the box plate 11 are both sleeved with a disc support 3, when the antimony and arsenic heavy metal wastewater is input into the wastewater treatment box 1, the disc support 3 can be used as a support frame to drive the wastewater treatment box 1 to rotate under the action of the chassis 2 and the box plate 11, so that the antimony and arsenic heavy metal wastewater inside the wastewater treatment box 1 can be shaken in the wastewater treatment box 1, so that the precipitation of the antimony and arsenic heavy metal wastewater can be more evenly laid on the rotating blades 41, avoiding the problem of concentrated precipitation of the antimony and arsenic heavy metal wastewater causing clogging of the equipment mesh.

[0050] When the equipment rotates to drive the antimony-arsenic heavy metal wastewater to settle on the rotating blades 41, the equipment can be slowly erected and the rotor 4 can be erected toward the ground. At this time, the sedimentation tank 5 is turned open and used as a recovery pool. The chassis 2 is decoupled from the wastewater treatment tank 1 and the antimony-arsenic heavy metal wastewater is slowly poured into the sedimentation tank 5. At this time, the water remaining in the wastewater treatment tank 1 is wastewater with a relatively high content of antimony and arsenic precipitation. Therefore, the antimony-arsenic heavy metal wastewater can be precipitated and recycled for multiple times by repeating the above steps until the antimony and arsenic content in the wastewater in the sedimentation tank 5 is no longer detected.

[0051] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for treating wastewater containing antimony and arsenic heavy metals, characterized in that: The invention comprises a wastewater treatment box (1), wherein a bottom plate (2) is buckled on one side of the wastewater treatment box (1), a box plate (11) is fixedly connected to the outside of the wastewater treatment box (1), a plate holder (3) is sleeved on the outside of the bottom plate (2) and the box plate (11), and a sedimentation box (5) is screwed on one side of the bottom plate (2).

2. The device for treating wastewater containing antimony and arsenic heavy metals according to claim 1, characterized in that: One end of the rotor (4) is fixedly connected to a rotating disk (42), and one end of the rotating disk (42) away from the rotor (4) passes through the wastewater treatment tank (1) and is fixedly connected to a rotating blade (41).

3. The device for treating wastewater containing antimony and arsenic heavy metals according to claim 2, characterized in that: The bottom plate (2) comprises a movable plate (21) and a screw ring (23); a portion of one side of the movable plate (21) is buckled with the wastewater treatment tank (1), and another portion is buckled with the bottom plate (2); the bottom plate (2) is screwed with the sedimentation tank (5) via the screw ring (23).

4. The device for treating wastewater containing antimony and arsenic heavy metals according to claim 3, characterized in that: The movable disk (21) is fixedly connected to a dynamic seal (6) inside, and one end of the rotating disk (42) passes through the wastewater treatment tank (1) and is rotatably connected to the dynamic seal (6).

5. The device for treating wastewater containing antimony and arsenic heavy metals according to claim 4, characterized in that: A sealing cover (7) is fixedly connected to one side of the movable disk (21), and the dynamic seal (6) and the end surface of the rotating disk (42) are both accommodated inside the sealing cover (7).

6. The device for treating wastewater containing antimony and arsenic heavy metals according to claim 5, characterized in that: A handle (22) is fixedly connected to one side of the movable plate (21).

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