Multi-stage filtration honeycomb inclined tube sedimentation tank

Abstract

The utility model discloses a honeycomb inclined tube sedimentation tank with multi-stage filtration. The honeycomb inclined tube sedimentation tank comprises a sedimentation tank body, a flocculation tank, a first filter grid, a second filter grid, a third filter grid, a honeycomb inclined tube, a sedimentation system and a water outlet system, a honeycomb inclined pipe forming an included angle of 45 degrees or 60 degrees with the vertical direction is arranged to effectively separate reservoir water and promote rapid precipitation of a coagulant, impurities and particulate matters; a first filter grid is arranged between the flocculation basin and the sedimentation basin body to filter coagulant, impurities and particulate matters for the first time, and a second filter grid and a third filter grid are respectively arranged below and above the honeycomb inclined tube to filter coagulant, impurities and particulate matters for the second time and the third time. The problem that the honeycomb inclined tube is easily blocked by precipitates during precipitation is solved, and meanwhile, the quality of purified water subjected to multi-stage filtration is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tap water treatment technical field, concretely is a kind of honeycomb inclined pipe sedimentation tank of multistage filtration. BACKGROUND

[0002] Honeycomb sedimentation tank plays a core role in water treatment, it is the efficient water purification equipment designed according to the principle of natural gravity. Its unique place is the internal honeycomb partition structure, this design makes water can be effectively separated when flowing, promotes the rapid precipitation of impurities and particulate matter. Honeycomb sedimentation tank not only has high purification efficiency, can significantly improve water quality, and compared with traditional sedimentation tank, it is more space-saving, and maintenance is more convenient. In addition, its construction and operation cost is relatively low, becomes the preferred scheme in many tap water purification and sewage treatment projects. In general, honeycomb sedimentation tank occupies an important position in the field of water treatment with its efficient, economical and easy-to-maintain characteristics.

[0003] For example, the Chinese invention with publication number CN212283022U and publication date January 5, 2021 discloses a sewage treatment inclined pipe sedimentation tank, which includes a support and a tank body. A sedimentation zone is provided in the tank body, and a clear water outlet is formed at the upper end of the tank body. The sedimentation zone includes an upper sedimentation zone and a lower sedimentation zone. An inclined pipe sedimentation layer is provided between the upper sedimentation zone and the lower sedimentation zone. The inclined pipe sedimentation layer includes honeycomb inclined pipes and partitions. The upper and lower ends of the honeycomb inclined pipes are respectively connected to the upper sedimentation zone or the lower sedimentation zone. A sludge sedimentation hopper is provided at the lower end of the lower sedimentation zone, and a sewage discharge pipe is connected to the lower end of the sludge sedimentation hopper. A high-pressure water distribution mechanism is fixed in the lower sedimentation zone. A stirring chamber is provided on one side of the sedimentation zone. Stirring blades, a stirring shaft, and a driving motor are provided in the stirring chamber. A sewage inlet is formed in the side wall of the stirring chamber. A through hole is formed in the common side wall of the stirring chamber and the sedimentation zone. When the sedimentation tank is subjected to backwashing, the high-pressure water distribution mechanism sprays high-pressure water, thereby avoiding manual cleaning and reducing the labor intensity of workers. The backwashing efficiency of the sewage sedimentation tank is improved.

[0004] As can be seen from the above patent, although the inclined pipe sedimentation tank is provided with a high-pressure water distribution mechanism in the sedimentation zone to perform backwashing on the sedimentation tank, the honeycomb inclined pipes are prone to being blocked by sediment during sedimentation. Therefore, the present utility model provides a honeycomb inclined pipe sedimentation tank with multistage filtration to solve the above problems. SUMMARY

[0005] The utility model aims at solving the problems in the prior art and provides a honeycomb inclined pipe sedimentation tank with multistage filtration.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of multi-stage filtration's honeycomb inclined pipe sedimentation tank, including sedimentation tank body and the flocculator of being arranged in the sedimentation tank body one side, the side wall bottom end of the flocculator is connected with the sedimentation tank body by first filter grid, the middle and upper portion of the sedimentation tank body is provided with second filter grid and third filter grid respectively, and honeycomb inclined pipe is arranged between the second filter grid and third filter grid, and the periphery of the second filter grid, third filter grid and the honeycomb inclined pipe is respectively fixed on the side wall of the sedimentation tank body by movable buckle.

[0008] Preferably, the bottom of the sedimentation tank body is provided with a sedimentation system, which includes a plurality of equally spaced sedimentation hoppers and a sewage pump, the tops of adjacent sedimentation hoppers are connected together, the bottom of each sedimentation hopper is provided with a sewage pipe downward, a valve is arranged on each sewage pipe, and each sewage pipe is connected with a sewage pump arranged directly below the sedimentation tank body.

[0009] Preferably, an outlet system is arranged above the third filter grid, the outlet system includes an outlet weir and an outlet port, the outlet weir is arranged directly above the sedimentation tank body and connected with the inner wall of the sedimentation tank body, and the outlet port is arranged below one side of the outlet weir.

[0010] Preferably, the flocculator includes, from top to bottom inside the flocculator, a motor, a stirring shaft and stirring blades arranged in turn, the output end of the motor is connected with the stirring shaft inserted into the bottom of the flocculator through a shaft coupling, the stirring shaft is provided with a plurality of layers of stirring blades at equal intervals from bottom to top, and the stirring blades in each layer are uniformly distributed at equal angles in the layer plane; a water inlet and a dosing port are arranged at the top and the bottom near the middle of the side wall of the flocculator respectively, and a sewage outlet is arranged downward at the center of the bottom of the flocculator.

[0011] Preferably, the axial direction of the honeycomb inclined pipe forms an angle of 45° or 60° with the vertical direction of the sedimentation tank body.

[0012] The utility model has the advantages that:

[0013] The honeycomb inclined pipe arranged at an angle of 45° or 60° with the vertical direction effectively separates the reservoir water and promotes the rapid precipitation of coagulants, impurities and particulate matters; the first filter grid arranged between the flocculator and the sedimentation tank body filters the coagulants, impurities and particulate matters for the first time, the second filter grid and the third filter grid are arranged below and above the honeycomb inclined pipe respectively to filter the coagulants, impurities and particulate matters for the second and third times. The application solves the problem that the honeycomb inclined pipe is easily blocked by precipitates during precipitation, and the quality of the purified water after multi-stage filtration is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0015] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the limiting conditions of the implementation of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the present application can produce, should still fall within the scope of the technical content disclosed by the present application.

[0016] Figure 1 The structure of the present application is shown in the figure;

[0017] As shown in the figure: 1, the sedimentation tank body; 2, the flocculation tank; 21, the motor; 22, the stirring shaft; 23, the stirring blade; 24, the water inlet; 25, the dosing port; 26, the sewage outlet; 3, the first filter grid; 4, the second filter grid; 5, the third filter grid; 6, the honeycomb inclined pipe; 7, the sedimentation system; 71, the sedimentation hopper; 72, the sewage pipe; 73, the valve; 74, the sewage pump; 8, the water outlet system; 81, the water weir; 82, the water outlet. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict.

[0021] It should be noted that like reference numerals and letters refer to like items throughout the several views, where like items function in like manner, and thus, once one item is defined in one view, it is not necessary to further define and explain it in a following view.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly placed when the utility model product is used, or is the orientation or position relationship commonly understood by the person skilled in the art, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicative or suggestive of relative importance.

[0023] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Referring to Figure 1This utility model discloses a multi-stage filtration honeycomb inclined tube sedimentation tank, comprising a sedimentation tank body 1, a flocculation tank 2, a first filter screen 3, a second filter screen 4, a third filter screen 5, honeycomb inclined tubes 6, a sedimentation system 7, and an effluent system 8. The flocculation tank 2 is used to add PAC coagulant to the reservoir water. The PAC coagulant has a high charge neutralization and bridging effect on colloids and particulate matter in the reservoir water, effectively removing toxic substances and heavy metal ions. The sedimentation tank body 1 is used for filtering and sedimentation of the reservoir water after flocculation tank 2. The bottom end of the side wall of the flocculation tank 2, located on one side of the sedimentation tank body 1, is connected to the sedimentation tank body 1 through the first filter screen 3. Simultaneously, the second filter screen 4 and the third filter screen 5 are respectively installed in the middle and upper parts of the sedimentation tank body 1. The first filter screen 3, the second filter screen 4, and the third filter screen 5 respectively perform first, second, and third filtration of the coagulant, impurities, and particulate matter. A honeycomb inclined tube 6 is installed between the second filter screen 4 and the third filter screen 5. The axial direction of the honeycomb inclined tube 6 forms a 45° or 60° angle with the vertical direction of the sedimentation tank body 1. The honeycomb inclined tube 6 is used to effectively separate the reservoir water and promote the rapid sedimentation of coagulants, impurities, and particulate matter. The second filter screen 4, the third filter screen 5, and the honeycomb inclined tube 6 are fixed to the side wall of the sedimentation tank body 1 by movable clips for easy disassembly, cleaning, and replacement.

[0025] A sedimentation system 7 for settling coagulants, impurities, and particulate matter is located at the bottom of the sedimentation tank 1. The sedimentation system 7 includes multiple sedimentation hoppers 71 arranged at equal intervals and a sewage pump 74. The tops of adjacent sedimentation hoppers 71 are connected together so that the settled coagulants, impurities, and particulate matter can settle downwards along the inner wall of the sedimentation hopper 71. A sewage pipe 72 for discharging sediment is provided at the bottom of each sedimentation hopper 71. A valve 73 for opening the sewage pipe 72 is provided on each sewage pipe 72. Each sewage pipe 72 is connected to a sewage pump 74 located directly below the sedimentation tank 1, and the sewage pump 74 removes the sediment from the sewage pipe 72.

[0026] The water outlet system 8 is located above the third filter screen 5. The water outlet system 8 includes an outlet weir 81 and an outlet 82. The outlet weir 81 is located directly above the sedimentation tank body 1 and is connected to the inner wall of the sedimentation tank body 1. The outlet 82 is located below one side of the outlet weir 81. The purified water after multi-stage filtration enters the outlet weir 81 and then flows out from the outlet 82 as tap water and drinking water.

[0027] In an alternative embodiment, the flocculation tank 2 comprises, from top to bottom inside the flocculation tank 2, a motor 21, a stirring shaft 22 and stirring blades 23, the output end of the motor 21 is connected with the stirring shaft 22 inserted into the bottom of the flocculation tank 2 through a shaft coupling, the stirring shaft 22 is provided with several layers of stirring blades 23 at equal intervals from bottom to top, each layer of stirring blades 23 is uniformly distributed at equal angles between adjacent layers in the layer plane, the stirring shaft 22 is driven to rotate by the motor 21, thereby driving the stirring blades 23 to rotate and stir and mix; the water inlet 24 and the dosing port 25 are respectively arranged at the top and the bottom near the middle of the side wall of the flocculation tank 2, and the blowdown port 26 is arranged at the center of the bottom of the flocculation tank 2; the reservoir water enters the flocculation tank 2 from the water inlet 24, the PAC coagulant enters the flocculation tank 2 from the dosing port 25, and the coagulant, impurities and particulate matter in the flocculation tank 2 are discharged from the blowdown port 26.

[0028] Of course, the embodiments of the specific embodiments are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A multi-stage filtration inclined tube cell sedimentation tank comprising a sedimentation tank cell body (1) and a flocculation cell (2) arranged on one side of the sedimentation tank cell body (1), characterized in that: The side wall bottom end of the flocculation tank (2) is communicated with the sedimentation tank body (1) through a first filter grid (3), the middle and upper parts of the sedimentation tank body (1) are respectively provided with a second filter grid (4) and a third filter grid (5), a honeycomb inclined pipe (6) is arranged between the second filter grid (4) and the third filter grid (5), and the peripheries of the second filter grid (4), the third filter grid (5) and the honeycomb inclined pipe (6) are respectively fixed to the side wall of the sedimentation tank body (1) through movable buckles.

2. A multi-stage filtered honeycomb ramped tube settling basin according to claim 1, wherein: The bottom of the sedimentation tank body (1) is provided with a sedimentation system (7), the sedimentation system (7) comprises a plurality of equally spaced sedimentation hoppers (71) and a blowdown pump (74), the top parts of adjacent sedimentation hoppers (71) are connected together, the bottom of each sedimentation hopper (71) is downwardly provided with a blowdown pipe (72), a valve (73) is arranged on each blowdown pipe (72), and each blowdown pipe (72) is connected with the blowdown pump (74) arranged directly below the sedimentation tank body (1).

3. A multi-stage filtered honeycomb ramped tube settling basin according to claim 1, wherein: An outlet water system (8) is arranged above the third filter grid (5), the outlet water system (8) comprises an outlet water weir (81) and an outlet water outlet (82), the outlet water weir (81) is arranged directly above the sedimentation tank body (1) and connected with the inner wall of the sedimentation tank body (1), and the outlet water outlet (82) is arranged below one side of the outlet water weir (81).

4. A multi-stage filtered honeycomb ramped tube settling basin according to claim 1, wherein: The flocculation tank (2) comprises, from top to bottom inside the flocculation tank (2), a motor (21), a stirring shaft (22) and stirring blades (23) arranged in turn from top to bottom, the output end of the motor (21) is connected with the stirring shaft (22) inserted into the bottom of the flocculation tank (2) through a shaft coupling, the stirring shaft (22) is equally spaced to arrange a plurality of layers of stirring blades (23) from bottom to top, and each layer of stirring blades (23) is evenly distributed at equal angles between adjacent layers in the layer plane; a water inlet (24) and a dosing port (25) are respectively arranged at the top and bottom of the side wall of the flocculation tank (2) near the middle part, and a blowdown port (26) is arranged downwardly at the center of the bottom of the flocculation tank (2).

5. A multi-stage filtered honeycomb ramped tube settling basin according to claim 1, wherein: The axial direction of the honeycomb inclined pipe (6) forms an angle of 45° or 60° with the vertical direction of the sedimentation tank body (1).

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