Activated carbon canister for water treatment

Abstract

The utility model discloses an activated carbon canister for water treatment, which relates to the field of water treatment and comprises a canister body, a liquid distribution assembly, a gas distribution assembly and a graded filtering assembly. A liquid distribution assembly and a gas distribution assembly are arranged at the bottom of the tank body and are respectively used for introducing liquid and gas. A liquid outlet connector is formed in the position, close to the top, of the tank body and used for discharging filtered liquid, and it is guaranteed that the liquid can flow out smoothly for follow-up treatment. According to the device, through the synergistic effect of the tank body structure and the multi-stage distribution assembly, the contact efficiency between liquid and activated carbon is improved, and the stability and durability of the device are enhanced, so that the filtering efficiency is effectively improved, and the service life of the activated carbon is effectively prolonged.

Description

Technical Field

[0001] This application relates to the field of water treatment, specifically an activated carbon tank for water treatment that combines a tank structure with pneumatic stirring. This technology is mainly applied in liquid treatment, wastewater treatment, and other water treatment and purification fields requiring impurity removal and purification using activated carbon. It can effectively improve the adsorption efficiency of activated carbon, optimize the contact effect between the liquid and activated carbon, thereby enhancing filtration performance. It is widely applicable to liquid filtration and purification in industries such as chemical, environmental protection, petroleum, and pharmaceutical. Background Technology

[0002] Currently, activated carbon filters are widely used in industry, especially in liquid processing, as a highly efficient filtration material. Their main function is to remove impurities and harmful substances from liquids through adsorption.

[0003] Existing activated carbon canisters have significant shortcomings in terms of contact efficiency between the liquid and the activated carbon. Relying solely on the distribution of activated carbon and the flow of liquid is insufficient to achieve optimal contact, directly impacting adsorption and filtration efficiency. When liquid passes through the activated carbon canister, it often fails to fully contact the activated carbon surface, thus reducing filtration and purification effectiveness. This inefficient contact method results in a prolonged filtration process and cannot completely remove all impurities from the liquid.

[0004] Therefore, improving the design and structure of existing activated carbon canisters and increasing the contact efficiency between liquids and activated carbon has become an urgent problem that the industry needs to solve.

[0005] Developing a new type of activated carbon tank for water treatment is of great significance. Utility Model Content

[0006] The purpose of this application is to overcome at least one deficiency in the prior art and provide an activated carbon tank device for water treatment with an improved structure and high-efficiency treatment capacity. This device, through the synergistic effect of multi-stage distributed components, not only improves the contact efficiency between the liquid and the activated carbon but also enhances the stability and durability of the equipment, thereby effectively improving filtration efficiency and the service life of the activated carbon.

[0007] To achieve the above objectives, this application discloses an activated carbon tank for water treatment, which includes a tank body, a liquid distribution component, a gas distribution component, and a staged filtration component.

[0008] The tank is equipped with a liquid distribution assembly and a gas distribution assembly at the bottom, used for introducing liquid and gas respectively. Near the top, the tank has a liquid outlet for discharging filtered liquid, ensuring smooth flow for subsequent processing.

[0009] In the tank body, a position below the liquid outlet interface is provided with a grading filter assembly for shielding the activated carbon and achieving a certain filtering effect, which comprises an upper porous plate, a lower porous plate and a wire mesh member interposed therebetween, which structure effectively controls the flow of activated carbon and provides the necessary filtering effect when the liquid passes through.

[0010] The activated carbon is located in the area below the grading filter assembly in the tank body, which can fully contact with the liquid to improve the filtering effect.

[0011] The gas distribution assembly comprises a central gas chamber located in the center of the tank body and a plurality of gas distribution pipes radiating from the central gas chamber to form a gas outlet structure in a central radiation structure, the gas is introduced through the gas distribution pipes to generate a gas flow stirring effect to promote the stirring of the liquid in the tank, thereby improving the contact efficiency of the liquid and the activated carbon and further improving the filtering and adsorption effect.

[0012] The liquid distribution assembly comprises a central water chamber located in the center of the tank body and a plurality of liquid outlet pipes radiating from the central water chamber to form a water outlet structure in a central radiation structure, a plurality of liquid outlets are formed on the liquid outlet pipes to ensure that the liquid can be uniformly and smoothly discharged.

[0013] In some embodiments, the tank body is provided with an overflow weir at the liquid outlet interface to uniformly discharge the liquid from different areas of the tank body, avoiding excessive or insufficient local flow, thereby ensuring the stability of the entire system.

[0014] In some embodiments, the tank body is provided with a backwashing port between the liquid outlet interface and the grading filter assembly for cleaning the activated carbon and the grading filter assembly in the tank body.

[0015] In some embodiments, the tank body of the activated carbon tank is composed of a glass steel main structure layer and an inner lining layer attached to the inner wall surface of the glass steel main structure layer. The inner lining layer can effectively improve the impact resistance and durability of the tank body, and enhance the stability and reliability of the tank body in long-term use.

[0016] In some embodiments, the grading filter assembly is located below the liquid outlet interface and comprises upper and lower glass fiber porous plates arranged in parallel, and a three-dimensional woven wire mesh filter layer fixed between the two porous plates. The upper and lower porous plates are respectively provided with honeycomb-shaped through holes, which form a three-stage gradient filtering barrier, ensuring the stable retention of activated carbon filler and achieving uniform flow distribution to ensure efficient treatment of the liquid when passing through the filtering system.

[0017] In some embodiments, the gas distribution pipes are circumferentially equidistantly provided with arrays of micro-holes with different angles.

[0018] In some embodiments, the liquid outlet pipe is provided with water outlet holes with different angles.

[0019] In some embodiments, the tank body is provided with a pipe with sealed ends, and the cavity space in the pipe is divided into a central air chamber and a central water chamber.

[0020] Through the design of the gas distribution assembly and the liquid distribution assembly, the gas-liquid two-phase forms a spiral upward flow state, and the activated carbon filler layer is caused to produce periodic fluidization movement.

[0021] During operation, the liquid to be treated is distributed by the bottom liquid distribution assembly to form a spiral flow initial distribution, and the gas is distributed by the gas distribution pipe to produce turbulent stirring, and the gas-liquid two-phase cooperates to keep the activated carbon filler in a semi-fluidized state. The metal screen filter layer produces a screening effect under dynamic working conditions, effectively traps carbon powder, and maintains the stability of the system operation. The treated medium is discharged through the top liquid outlet interface.

[0022] The present application optimizes the structure of the tank body and the design of the distribution assembly, significantly improves the treatment efficiency and operation stability of the activated carbon tank, solves the problems of uneven liquid flow state and low treatment efficiency in the prior art, and has strong industrial application value.

[0023] The above-listed beneficial effects are not exhaustive of all advantages. Other potential beneficial effects and detailed technical implementation methods will be further disclosed in the embodiments or other description parts of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0024] After reading the specific embodiments below in conjunction with the accompanying drawings, the various aspects of the present disclosure will be better understood, and the positions, sizes, and ranges of the structures shown in the drawings and the like sometimes do not represent actual positions, sizes, and ranges. In the drawings:

[0025] Fig. 1 is a structural schematic diagram of an embodiment of the present disclosure.

[0026] Fig. 2 is a partial structural schematic diagram of a graded filter assembly in an embodiment of the present disclosure.

[0027] Fig. 3 is a structural schematic diagram of an upper porous plate in a graded filter assembly in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0028] The present disclosure will be described with reference to the accompanying drawings, which show several embodiments thereof. It is to be understood that the present disclosure can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the present disclosure to those skilled in the art. It should also be understood that the embodiments disclosed herein can be combined in various ways, thus providing more additional embodiments.

[0029] It is to be understood that like numerals in the drawings represent like elements throughout the several embodiments. In the drawings, the sizes of some of the elements can be exaggerated for clarity.

[0030] It is to be understood that the phraseology and terminology used herein is for the purpose of description and not of limitation. All technical and scientific terms used herein are to be interpreted according to their ordinary meaning to one skilled in the art unless otherwise defined. For the purposes of the present disclosure, the following terms are defined with the following meanings. For simplicity and / or clarity, techniques, methods, and apparatuses known to be employed in the relevant art can not be discussed in detail herein, but should be considered as part of the disclosure.

[0031] As used in the description herein and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. As used in the description herein and the appended claims, the term "comprising" (and any grammatical variation thereof) includes the terms "consisting of" and "consisting essentially of". As used in the description herein and the appended claims, the term "and / or" means one or the other or both. Embodiments

[0032] The present embodiment describes an activated carbon tank for water treatment, referring to the accompanying drawings Figs. 1 to 3 The device is composed of a tank body 1, a liquid distribution assembly 2, a gas distribution assembly 3, and a graded filtration assembly 4. The structural design aims to achieve efficient liquid purification and filtration through the precise cooperation of each component, and to ensure the stability and durability of the equipment during long-term use.

[0033] Specifically, the tank body 1 is composed of a main structural layer made of glass fiber and an inner lining layer. The inner lining layer is also made of glass fiber. This composite structure design ensures that the tank body has high rigidity during long-term operation, effectively enhances the compressive strength, and has excellent chemical corrosion resistance. Therefore, the tank body 1 can operate stably in harsh environments, prolonging the service life of the equipment.

[0034] The tank body 1 is configured with a liquid distribution assembly 2 and a gas distribution assembly 3 at the bottom.

[0035] Specifically, the liquid distribution assembly 2 consists of a central water chamber and multiple liquid outlet pipes. The liquid outlet pipes have multiple outlets facing different directions to ensure that the liquid can be evenly distributed when passing through the tank.

[0036] The gas distribution component 3 consists of a central gas chamber and a gas distribution pipe. The gas distribution pipe has multiple micropore arrays equidistantly arranged around its circumference. The design of the pore size and pore density enables the gas to be evenly distributed, and the stirring action promotes the contact between the liquid and the activated carbon, thereby improving the filtration and adsorption effect.

[0037] More specifically, a pipe 8 sealed at both ends is provided at the center of the bottom of the tank 1. The cavity space inside the pipe 8 is divided into a central air chamber and a central water chamber. The design of the pipe 8 creates two independent spaces inside the tank—a central air chamber and a central water chamber—which are used for different fluid processing functions, ensuring that gas and liquid can be effectively separated and distributed within the tank 1.

[0038] It should be noted that the central air chamber and the central water chamber are connected to the air and water inlet ports located on tank 1.

[0039] Specifically, the pipe fitting 8 is typically circular or square in shape, with both ends sealed to ensure complete isolation between its inner cavity and the outside. This sealed structure keeps the central air chamber and the central water chamber independent, preventing the mixing of gas and liquid and ensuring they flow along their predetermined paths.

[0040] The central gas chamber is typically located at the upper part of the pipe 8, serving as a channel for gas inflow. Within this chamber, the gas is prepared to be distributed through the lower part of the pipe 8 to the gas distribution assembly 3 within the tank 1.

[0041] The above design ensures the stability and uniformity of gas flow, which helps promote efficient contact between the liquid and activated carbon. The agitation of the airflow is radiated into the tank 1 through the gas distribution component 3, enhancing the fluidity of the liquid and thus improving filtration efficiency.

[0042] The central water chamber is located at the bottom of pipe 8, serving as a channel for liquid inflow. The liquid enters the filtration zone of tank 1 through the central water chamber and is ultimately treated by the staged filtration assembly 4. In the design, the flow channel structure of the water chamber is isolated from the gas chamber, avoiding gas interference and allowing the liquid to flow smoothly and effectively pass through the activated carbon layer for adsorption and filtration.

[0043] It should be understood that the separation between the central air chamber and the central water chamber is achieved through the internal structural design of pipe fitting 8.

[0044] The staged filtration assembly 4 within tank 1 is located 500 mm below the liquid outlet 5. The staged filtration assembly includes an upper perforated plate 401 and a lower perforated plate 402 arranged parallel to each other, both made of fiberglass. A three-dimensional woven metal mesh filter layer 403 is sandwiched between the upper and lower perforated plates 401 and 402. Both the upper and lower perforated plates 401 and 402 have multiple honeycomb-shaped through-holes with a diameter of 3 to 5 mm and a spacing of 1.2 to 1.5 times the pore diameter. The metal mesh filter layer 403 is woven with 0.1 mm wire diameter wires and a mesh size of 80 to 100 meshes. This structure effectively prevents the loss of activated carbon particles while ensuring a uniform flow distribution of the liquid as it passes through the filtration system, thereby improving filtration efficiency.

[0045] During operation, the liquid to be treated first enters the tank 1 through the liquid distribution component 2. The liquid gradually diffuses through the outlet pipe, forming an initial swirling distribution. Simultaneously, gas is introduced through the gas distribution pipe. The gas's agitation effect through the microporous array ensures more thorough contact between the liquid and activated carbon. The synergistic effect of the gas and liquid phases keeps the activated carbon packing in a semi-fluidized state, increasing the contact area between the activated carbon and the liquid, thereby improving adsorption efficiency and filtration effect.

[0046] The metal wire mesh filter layer 403 generates a sieving effect under dynamic operating conditions, effectively trapping carbon particles and maintaining the stability of the system. Through the designed three-stage gradient filtration structure, activated carbon particles are stably retained, preventing loss and extending their service life. Finally, the treated liquid is smoothly discharged through the top outlet 5, completing the liquid purification process.

[0047] In this embodiment, the tank 1 is provided with an overflow weir 9 at the liquid outlet 5. This weir is designed to ensure that the liquid is evenly distributed when it is discharged from the tank 1, avoiding uneven flow in different areas and ensuring the stability and filtration effect of the system.

[0048] The overflow weir 9 within the tank 1 primarily prevents liquid from flowing only from the area near the drain port 5, thus avoiding poor liquid flow in other areas of the tank 1 and affecting the stability of the entire system. It's important to understand that without the overflow weir 9, liquid tends to concentrate near the drain port 5, causing excessive pressure on the activated carbon in that area, leading to overuse and reduced filtration efficiency. Simultaneously, poor liquid flow in other areas prevents the activated carbon from fully utilizing its filtration capabilities. This uneven flow results in decreased filtration efficiency, failing to fully utilize the activated carbon's adsorption capacity, and may even lead to waste or blockage of some activated carbon particles.

[0049] The overflow weir 9, through its design, ensures that the liquid flows evenly within the tank 1, preventing the liquid flow from concentrating only in the area near the outlet 5. This ensures that activated carbon in all areas participates in the filtration process, avoiding localized overflow or stagnation. By regulating the liquid flow path, the overflow weir 9 balances the liquid flow rate in each area, resulting in more uniform use of activated carbon and preventing excessive consumption of some activated carbon while others fail to function effectively.

[0050] Furthermore, the overflow weir 9 ensures uniform liquid flow, thereby improving the contact efficiency between the liquid and activated carbon and further enhancing the filtration effect. When the liquid passes through the filtration zone, each section of activated carbon is used evenly, avoiding inconsistent filtration results caused by concentrated liquid flow, thus improving overall filtration efficiency. The stability and processing capacity of the entire system are also guaranteed, extending the lifespan of the activated carbon and reducing equipment maintenance frequency and costs.

[0051] In this embodiment, the tank 1 is provided with a backwash port 6 between the liquid outlet 5 and the graded filter assembly 4. This design is used to clean the activated carbon and graded filter assembly 4 inside the tank 1, thereby maintaining the efficient operation of the equipment and extending its service life.

[0052] The main function of the backwash port 6 is to perform cleaning by using reverse-flowing liquid or gas. When the backwash operation is started, the cleaning liquid or gas is guided into the backwash port 6 and flows back into the tank 1 through a specific flow path, thereby carrying away the dirt or deposits attached to the surface of the activated carbon packing layer and the graded filter assembly 4.

[0053] Specifically, the cleaning process typically includes the following steps:

[0054] Reverse liquid flow: Cleaning fluid (such as water or special cleaning fluid) is introduced through backwash port 6, and the liquid flows from bottom to top or from inside to outside. During this process, the reverse liquid flushes the inner surface of tank 1, cleaning away deposited impurities, blockages or other contaminants.

[0055] Cleaning the activated carbon packing: During filtration, the activated carbon particles in the activated carbon packing (not shown in the figure) may accumulate impurities, affecting its adsorption capacity and filtration efficiency. The design of backwash port 6 allows the cleaning liquid to flow from different angles and directions, which helps to flush and remove residues in the packing layer and restore the adsorption capacity of the activated carbon.

[0056] Cleaning the tiered filter assembly: The backwashing fluid not only flushes the activated carbon layer but also cleans the tiered filter assembly 4. In particular, the wire mesh filter layer 403 and the porous plate structure are effectively cleaned by the backwashing fluid, which can remove deposits or blockages from their surfaces, ensuring long-term stability of filtration efficiency and accuracy.

[0057] It's important to understand that regular backwashing effectively prevents excessive pressure or unstable flow in the filtration system due to clogging, ensuring normal liquid flow and filtration efficiency. Backwash port 6 simplifies and streamlines the maintenance of the activated carbon tank, eliminating the need for cumbersome disassembly and cleaning. The cleaning process via backwash port 6 extends the lifespan of individual activated carbon packing material and ensures the long-term, efficient operation of the staged filtration assembly 4.

[0058] The device in this embodiment effectively improves liquid treatment efficiency and equipment stability by optimizing the coordination of multiple components such as liquid distribution, gas distribution, and filtration components. Compared with existing technologies, this device has significant advantages in liquid-activated carbon contact efficiency, filtration accuracy, and system stability. This device is suitable for various industrial liquid treatment scenarios, and has broad application prospects, especially in the fields of efficient and continuous liquid purification and wastewater treatment.

[0059] The advantage of this embodiment is that by precisely controlling the synergistic effect of the gas and liquid phases, the flow state control of the air and liquid flow during the filtration process is enhanced, resulting in a more balanced liquid treatment effect and improved adsorption performance of activated carbon.

[0060] The working principles and structural details of the liquid distribution component 2, gas distribution component 3, and staged filtration component 4 in this embodiment (such as the design of liquid and gas flow paths, and the installation method of the filtration system) are all well-known or existing technologies to those skilled in the art, and therefore will not be disclosed in detail. For example, the specific liquid and gas flow paths and the installation method of the filtration device can be implemented according to existing standard design methods. These technical details are known to those skilled in the art and can be implemented using conventional design methods.

[0061] The design principles, component combinations, and specific effects involved in the embodiments have been described in detail to enable those skilled in the art to understand and implement the device. This embodiment has significant advantages in improving filtration efficiency, reducing energy consumption, and extending equipment lifespan, and has broad application prospects in various industrial fields.

[0062] While exemplary embodiments of this disclosure have been described, those skilled in the art will understand that various changes and modifications can be made to the exemplary embodiments of this disclosure without departing from the spirit and scope thereof. Therefore, all changes and modifications are included within the scope of protection of this disclosure as defined by the claims. This disclosure is defined by the appended claims, and equivalents of those claims are also included.

Claims

1. An activated carbon tank for water treatment, characterized in that, Includes tank body, liquid distribution assembly, gas distribution assembly, and staged filtration assembly; The tank is equipped with a liquid distribution component and a gas distribution component at the bottom, which are used to introduce liquid and gas respectively; the tank is provided with a liquid outlet near the top for the filtered liquid to be discharged, ensuring that the liquid can flow out smoothly and be processed later. Inside the tank, below the liquid outlet, there is a graded filter assembly for blocking activated carbon and achieving a certain filtration effect. The graded filter assembly includes an upper porous plate, a lower porous plate, and a wire mesh sandwiched between them. The gas distribution assembly includes a central gas chamber located at the center of the tank and several gas distribution pipes radiating from the central gas chamber, forming a gas outlet structure with a central radial structure. Gas is introduced through the gas distribution pipes, generating an airflow agitation effect, which causes the liquid to be stirred in the tank, thereby improving the contact efficiency between the liquid and activated carbon, and further enhancing the filtration and adsorption effects. The liquid distribution assembly includes a central water chamber located at the center of the tank and multiple outlet pipes radiating from the central water chamber, forming a centrally radiating water outlet structure. The outlet pipes have multiple outlets facing different directions to ensure that the liquid can be discharged evenly and smoothly.

2. The activated carbon tank for water treatment as described in claim 1, characterized in that, The tank is equipped with an overflow weir at the liquid outlet, which ensures uniform liquid discharge from different areas of the tank.

3. The activated carbon tank for water treatment as described in claim 1, characterized in that, The tank has a backwash port between the liquid outlet and the graded filter assembly, which is used to clean the activated carbon and graded filter assembly inside the tank.

4. An activated carbon tank for water treatment as described in claim 1, characterized in that, The activated carbon canister is composed of a fiberglass main structural layer and an inner lining layer, wherein the inner lining layer is attached to the inner wall surface of the fiberglass main structural layer.

5. An activated carbon tank for water treatment as described in claim 1, characterized in that, The graded filtration assembly is located below the liquid outlet and includes an upper porous glass fiber plate and a lower porous glass fiber plate arranged in parallel. A three-dimensional woven wire mesh filter layer is fixed between the two porous plates. The upper porous plate and the lower porous plate are respectively provided with honeycomb-shaped through holes.

6. An activated carbon tank for water treatment as described in claim 1, characterized in that, The air distribution pipe has a circumferential array of micropores at different angles.

7. An activated carbon tank for water treatment as described in claim 1, characterized in that, The liquid outlet pipe is equipped with water outlet holes at different angles.

8. An activated carbon tank for water treatment as described in claim 1, characterized in that, The tank has a sealed pipe at its center, and the cavity inside the pipe is divided into a central air chamber and a central water chamber.

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