CN210751651U - Sedimentation tank structure for purifying sewage filter material - Google Patents

Abstract

The utility model provides a sedimentation tank structure for purifying sewage filter materials, which comprises a slow flow consumption tank, a first sedimentation tank and a second sedimentation tank which are arranged in sequence; the slow flow consumption pool, the first sedimentation pool and the second sedimentation pool are all composed of 1 or a plurality of splicing parts, the splicing parts are detachably connected, each splicing part comprises a plurality of splicing plates, a plurality of transverse splicing supports, a bottom plate and a top plate, the splicing plates are detachably connected with one another, the splicing plates are detachably connected with the transverse splicing supports, the bottom plate and the top plate, the transverse splicing supports are arranged in parallel in the longitudinal direction, and the splicing plates, the transverse splicing supports, the bottom plate and the top plate are spliced into a cavity structure in a detachable mode; the utility model discloses can improve work efficiency, reduce manufacturing cost.

Description

Sedimentation tank structure for purifying sewage filter material

Technical Field

The utility model belongs to the technical field of sewage purification, concretely relates to sedimentation tank structure is used in sewage filter material purification.

Background

The sedimentation tank is a structure for removing suspended matters in water by applying sedimentation and is equipment for purifying water. The suspended substances in the water are removed by utilizing the natural sedimentation or coagulating sedimentation of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The settling effect is determined by the flow rate of the water in the settling tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land occupation area, a honeycomb inclined tube counter-current sedimentation tank, an accelerated clarification tank, a pulse clarification tank and the like are mostly adopted at present. The sedimentation tank is widely used in sewage treatment.

At present, the sedimentation tank adopts integrative structure more, the sedimentation tank of integrative structure, need carry out the customization according to the size one by one according to required size, because the size of the sedimentation tank that different areas, different occasions adopted is inconsistent, need carry out the die sinking production according to different sizes, production efficiency is lower like this, work efficiency is relatively poor, consequently, need to solve this problem by novel sedimentation tank urgently, because partial sedimentation tank need install the filter material and regard as ecological pond used, how to install the filter material and become in order to still another problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sedimentation tank structure for purifying sewage filter materials, which solves the problem of background.

In order to solve the technical problem, an embodiment of the utility model provides a sedimentation tank structure for purifying sewage filter materials, which is characterized by comprising a slow flow consumption tank, a first sedimentation tank and a second sedimentation tank which are arranged in sequence; the slow flow consumption pool, the first sedimentation pool and the second sedimentation pool are all composed of 1 or a plurality of splicing parts, the splicing parts are detachably connected, each splicing part comprises a plurality of splicing plates, a plurality of transverse splicing supports, a bottom plate and a top plate, the splicing plates are detachably connected with one another, the splicing plates are detachably connected with the transverse splicing supports, the bottom plate and the top plate, the transverse splicing supports are arranged in parallel in the longitudinal direction, and the splicing plates, the transverse splicing supports, the bottom plate and the top plate are spliced into a cavity structure in a detachable mode; the transverse splicing support is arranged to be of a rectangular frame structure, splicing grooves for splicing the splicing plates are formed in the upper surface and the lower surface of the transverse splicing support, splicing grooves for splicing the splicing plates are formed in the positions, connected with the splicing plates, of the bottom plate and the top plate, the splicing plates are fixedly connected with the bottom plate, the top plate and the transverse splicing support in a splicing mode through splicing blocks in the splicing grooves in a splicing mode and are locked through splicing buckles; one side of each splicing plate is provided with a buckling hole, the other side of each splicing plate is provided with a fastener, the adjacent splicing plates are detachably connected with the buckling holes through the fasteners, the upper end position in the slow flow consumption pool is also provided with a water inlet pipeline, a plurality of water inlet spray heads are uniformly arranged on the water inlet pipeline, two adjacent splicing parts are communicated through a connecting pipeline, the second sedimentation tank is provided with a water outlet pipeline at one end far away from the first sedimentation tank, an overflow pipe is also arranged above the water outlet pipeline, the lower end of each splicing part is provided with an upper back flush pipeline and a lower back flush pipeline, the upper back flush pipeline of each splicing part is communicated with the lower back flush pipeline of each splicing part, a plurality of back washing nozzles are arranged on the upper back washing pipeline and the lower back washing pipeline, and a plurality of guide plates are detachably connected between the upper back washing pipeline and the lower back washing pipeline; the horizontal splicing support is provided with a plurality of square mounting holes in a rectangular frame structure, the bottom of the horizontal splicing support is provided with each of the horizontal splicing supports, a plurality of supporting pieces are detachably connected to the upper portion of each mounting hole, each supporting piece comprises a frame arranged outside and grids arranged in the frame, the frames are detachably arranged at the mounting holes and are provided with a plurality of filter material cylinders, the filter material cylinders are respectively inserted into the supporting pieces, water purification filter materials are filled in the filter material cylinders, and the structures of the filter material cylinders are matched with the structures of the supporting pieces.

Furthermore, each splice plate is of a rectangular structure, and four pipeline grooves for installing a water inlet pipeline, a water outlet pipeline, a connecting pipeline or an overflow pipe, six backwashing pipeline grooves for installing an upper backwashing pipeline or a lower backwashing pipeline and a buckle inserting groove for installing a buckle are formed in each splice plate.

The four pipeline grooves are arranged in two groups and two groups, and the back washing pipe grooves are arranged in two groups and three groups.

Further, the width ratio of the slow flow consumption tank to the first sedimentation tank to the second sedimentation tank is 2:1: 3.

Furthermore, the guide plate is arranged on the lower back washing pipeline through a fixed support.

Furthermore, the fixed bolster includes a plurality of support bodies that supply a plurality of guide plates installation of parallel arrangement, the support body includes that the joint supplies the grafting through-hole of guide plate grafting on the support body at the buckle of back flush pipeline under and setting.

Furthermore, the top plate is provided with a grid shape or a flat plate shape.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the sedimentation tank structure for purifying the sewage filter material comprises a slow flow consumption tank, a first sedimentation tank and a second sedimentation tank which are arranged in sequence; the slow flow consumption pool, the first sedimentation pool and the second sedimentation pool are all composed of 1 or a plurality of splicing parts, the whole sedimentation pool can be spliced into a cuboid structure through N M (N is more than or equal to 6, M is more than or equal to 1, and M, N is an integer) splicing parts, the splicing parts are detachably connected, each splicing part comprises a plurality of splicing plates, a plurality of transverse splicing supports, a bottom plate and a top plate, the sedimentation pool is spliced by splicing the splicing plates, splicing can be carried out according to specific needs, only one set of production mold is needed, sedimentation pools with different sizes can be produced, and therefore, the production cost can be greatly reduced, and the working efficiency is improved; meanwhile, the utility model is provided with a plurality of mounting holes on the transverse splicing bracket, the supporting pieces are arranged on the transverse splicing bracket at the lowest end, the filter material cylinder is arranged on each supporting piece, and the filter material in the filter material cylinder plays a role in purifying sewage; moreover, the mounting hole of each transverse splicing support plays a role in positioning the filter material cylinder, and the overall stability is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural view of the middle splice plate of the present invention;

FIG. 4 is a top view of the middle splice plate of the present invention;

FIG. 5 is a right side view of the middle splice plate of the present invention;

FIG. 6 is a schematic structural view of the middle transverse splicing bracket of the present invention;

FIG. 7 is a schematic structural view of the middle buckle of the present invention;

FIG. 8 is a cross-sectional view of the installation of the middle plug-in buckle, the splice plate and the transverse splicing bracket of the present invention;

fig. 9 is a schematic structural view of a connecting pipe and a pipe sealing connection structure according to the present invention;

FIG. 10 is a schematic structural view of the lowest horizontal splicing bracket of the present invention after being mounted with a supporting member;

fig. 11 is a schematic structural view of the fixing bracket of the present invention;

fig. 12 is the schematic structural diagram of the utility model after the splicing of one splicing part is completed.

Description of reference numerals: 1. a slow flow consumption pool; 2. a first sedimentation tank; 3. a second sedimentation tank; 4. splicing plates; 41. a pipe chase; 42. back flushing the pipe groove; 43. a buckle slot; 44. an insertion block; 45. a fastener; 46. buckling holes; 5. transversely splicing the brackets; 51. inserting grooves; 52. mounting holes; 53. the eye-splice is buckled with the hole; 6. a top plate; 7. a base plate; 8. a water inlet pipe; 9. a water outlet pipeline; 10. an overflow pipe; 11. fixing a bracket; 12. a baffle; 13. a support member; 14. inserting and buckling; 15. connecting a pipeline; 16. the pipeline is connected with the sealing structure; 17. and (5) planting baskets.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-12, a sedimentation tank structure for purifying a sewage filtering material comprises a slow flow consumption tank 1, a first sedimentation tank 2 and a second sedimentation tank 3 which are arranged in sequence; the slow flow consumption pool 1, the first sedimentation pool 2 and the second sedimentation pool 3 are all composed of 1 or a plurality of splicing parts, the splicing parts are detachably connected, each splicing part comprises a plurality of splicing plates 4, a plurality of transverse splicing supports 5, a bottom plate 6 and a top plate 7, the splicing plates 4, the transverse splicing supports 5, the bottom plate 6 and the top plate 7 are detachably connected, the transverse splicing supports 5 are arranged in parallel in the longitudinal direction, and the splicing plates 4, the transverse splicing supports 5, the bottom plate 6 and the top plate 7 are spliced into a cavity structure in a detachable mode; the transverse splicing support 5 is of a rectangular frame structure, splicing grooves 51 for splicing the splicing plates 4 are formed in the upper surface and the lower surface of the transverse splicing support 5, splicing grooves 51 for splicing the splicing plates 4 are formed in the positions where the bottom plate 7 and the top plate 6 are connected with the splicing plates 4, and the splicing plates 4 are spliced in the splicing grooves 51 through the splicing blocks 44 and are fixedly connected with the bottom plate 7, the top plate 6 and the transverse splicing support 5 and locked through the splicing buckles; the transverse splicing support 5 is provided with inserting and buckling connection holes 53 at two sides of the inserting groove for installing inserting and buckling; one side of each splicing plate 4 is provided with a buckling hole 46, the other side of each splicing plate 4 is provided with a fastener 45, adjacent splicing plates 4 are detachably connected with the buckling holes 46 through the fasteners 45, a water inlet pipeline 8 is further arranged at the upper end position in the slow flow consumption pool 1, and the water inlet pipeline 8 is feasible and is in sealing connection through a pipeline sealing connection structure 16 when passing through a plurality of splicing parts; a plurality of water inlet nozzles are uniformly arranged on the water inlet pipeline 8, preferably, the water inlet nozzles are arranged downwards, two adjacent splicing parts are communicated through a connecting pipeline 15, a water outlet pipeline 9 is arranged at one end of the second sedimentation tank 3, which is far away from the first sedimentation tank 2, an overflow pipe 10 is further arranged above the water outlet pipeline 9, an upper backwashing pipeline and a lower backwashing pipeline are arranged at the lower end of each splicing part, and the upper backwashing pipeline and the lower backwashing pipeline are connected to an external backwashing water pipe through a backwashing control valve; the upper back-flushing pipelines of the splicing parts are communicated, the lower back-flushing pipelines of the splicing parts are communicated, a plurality of back-flushing nozzles are arranged on the upper back-flushing pipelines and the lower back-flushing pipelines, and a plurality of guide plates 12 are detachably connected between the upper back-flushing pipelines and the lower back-flushing pipelines; the upper backwashing pipeline and the lower backwashing pipeline are connected in a sealing mode through the pipeline sealing connection structure 16 when penetrating through the plurality of splicing parts, the transverse splicing support 5 is provided with a plurality of square mounting holes 52 in a rectangular frame structure, a plurality of supporting pieces 13 are detachably connected to each mounting hole 52 in the lowermost transverse splicing support 5, each supporting piece 13 comprises an external frame and grids arranged in the frame, the frame is detachably arranged at the mounting holes 52, a plurality of filter material cylinders are respectively inserted into the supporting pieces 13 and filled with water purification filter materials, and the structures of the filter material cylinders are matched with the structures of the supporting pieces 13; install respectively through a plurality of filter material barrels and carry out sewage purification on different supporting pieces 13, the purification efficiency of this kind of filter material barrel is high, and purification rate is fast. The sedimentation tank structure for purifying the sewage filter material and the use method thereof comprise a slow flow consumption tank 1, a first sedimentation tank 2 and a second sedimentation tank 3 which are arranged in sequence; the slow flow consumption pool 1, the first sedimentation pool 2 and the second sedimentation pool 3 are formed by 1 or more splicing parts, the whole sedimentation pool can be spliced into a cuboid structure through N M (N is more than or equal to 6, M is more than or equal to 1 and M, N is an integer) splicing parts, the splicing parts are detachably connected, every splicing part comprises a plurality of splicing plates 4, a plurality of transverse splicing supports 5, a bottom plate 7 and a top plate 6, the sedimentation pool is spliced by splicing plates 4, splicing can be carried out according to specific needs, only one set of production mold is needed, sedimentation pools with different sizes can be produced, so that the production cost can be greatly reduced, and the working efficiency is improved.

In a further embodiment, each of the splice plates is configured as a rectangular structure, and each of the splice plates is provided with four pipe grooves 41 for installing the water inlet pipe 8, the water outlet pipe 9, the connecting pipe 15 or the overflow pipe 10, six back-flushing pipe grooves 42 for installing the upper back-flushing pipe or the lower back-flushing pipe, and a buckle groove 43 for installing the buckle 14.

The four pipeline grooves 41 are arranged in two groups of upper and lower groups and two groups of each, and the six backwash pipe grooves 42 are arranged in two groups of upper and lower groups and three groups of each.

In a further embodiment, the ratio of the widths of the slow flow depleting tank 1, the first settling tank 2 and the second settling tank 3 is 2:1: 3.

In a further embodiment, the deflector 12 is mounted on the lower backwash conduit by a fixed bracket 11.

In a further embodiment, the fixing bracket 11 includes a plurality of bracket bodies arranged in parallel for installing the plurality of guide plates 12, and the bracket bodies include buckles clamped to the lower back-washing pipeline and insertion through holes arranged on the bracket bodies for inserting the guide plates 12, so that the installation is more convenient in the installation mode of the guide plates 12 and the fixing bracket.

In a further embodiment, the top plate 6 is provided with a grid or flat plate shape. Plants can be planted on the latticed top plate 6 as required, and the biological evolution effect is achieved.

The utility model relates to a method for using sedimentation tank structure for sewage filter material purification, specifically include following step:

(1) determining the number of the splicing plates 4 and the transverse splicing supports 5: selecting the number of the splicing plates 4 and the transverse splicing brackets 5 which are correspondingly and longitudinally required according to the height requirement of the sedimentation tank; and 4 splicing plates required in the transverse direction are selected according to the length requirement of the sedimentation tank.

(2) Installing a plurality of splicing parts: each splicing part comprises a splicing plate 4, a top plate 6, a bottom plate 7 and a transverse splicing support 5.

(2-1) splicing the bottom: connecting the four splicing plates with a fastener 45 through a fastening hole 46 to form a rectangular frame structure, inserting the frame structure formed by the four splicing plates into an insertion groove 43 of the bottom plate 7 through an insertion block 44 at the lower end of the splicing plates, and locking the frame structure through an insertion buckle 14; according to the requirements of the number and the positions of the upper flushing pipeline and the lower flushing pipeline, holes are formed in the positions of the backwashing pipe grooves 42 on the splicing plates 4 at the two ends to form backwashing pipe mounting holes.

(2-2) splicing the intermediate purification part: selecting the number of the splicing plates 4 and the number of the transverse splicing brackets 5 according to the height requirement and the height requirement of the filter material barrel; connecting the four splicing plates 4 with a fastener through buckling holes to form a rectangular frame structure, inserting the frame structure formed by the four splicing plates 4 into an insertion groove 51 of the transverse splicing bracket 5 at the lowest end through an insertion block 44 at the lower end of the splicing plates 4 and locking the frame structure through an insertion buckle 14; a plurality of supporting pieces 13 are detachably connected to the inside of each mounting hole 52 in the lowest transverse splicing bracket 5; and splicing from bottom to top in sequence according to the height requirement.

(2-3) splicing the water inlet part at the uppermost end: the four splice plates 4 are connected with the fasteners 45 through the fastening holes 46 to form a rectangular frame structure.

(3) Integral installation: and integrally splicing and mounting.

(3-1) carrying out buckle connection on two adjacent side plates at the bottoms of the splicing plates 4; installing a lower back flushing pipeline at a back flushing pipe installation hole at the bottom of the splicing parts; a plurality of guide plates 12 are arranged on a fixed bracket 11; the lower end of the fixed bracket 11 is connected on the lower back washing pipeline in a buckling way; installing the upper back flushing pipeline in the back flushing pipe installing holes at the bottoms of the splicing parts; the back washing nozzles on the upper back washing pipeline and the lower back washing pipeline face the guide plate 12; the upper back-flushing pipeline and the lower back-flushing pipeline of the two adjacent splicing parts are connected in a sealing way through the pipeline sealing connection joint 16.

(3-2) fixedly connecting the transverse splicing bracket 5 at the lowest end in each middle purifying part with the splicing block 44 at the upper end of the splicing plate 4 at the bottom through the splicing groove 51 and locking the transverse splicing bracket through a splicing buckle; the two adjacent splicing plates 4 of the two adjacent splicing parts are connected and fixed in a buckling manner; the filter material cartridges are mounted one by one on the carrier 13.

(3-3) inserting the inserting blocks 44 below the four splicing plates 4 at the uppermost water inlet part into the inserting grooves 51 of the transverse splicing support at the uppermost end of the middle purification part, fixedly connecting the inserting blocks through the inserting buckles 14, and fixedly clamping and buckling the two adjacent splicing plates 4 at the two adjacent splicing parts; according to the installation position requirements of the water inlet pipeline 8, the connecting pipelines 15, the water outlet pipeline 9 and the overflow pipe 10, the pipeline groove 41 on the splicing plate 4 on one side of the slow flow consumption pool 1 is opened, a plurality of connecting pipelines 15 are installed between two adjacent splicing parts, and the connecting pipelines communicate all the splicing parts; a water inlet pipeline 8 is arranged at one side of the slow flow consumption pool 1; if the water inlet pipeline 8 passes through the splicing parts, the water inlet pipeline is in sealed connection through the pipeline sealing connection structure 16; an outlet pipe 9 is arranged on the side of the second sedimentation tank 3 far away from the first sedimentation tank 2, and an overflow pipe 10 is arranged above the outlet pipe.

(4) And (3) installing a top plate 6: the frame structure formed by the four splicing plates 4 in the uppermost water inlet part is inserted into the insertion groove 51 below the top plate 6 through the insertion block 44 at the upper end of the splicing plates and is locked through the insertion buckle 14.

Preferably, a planting basket 17 is fixedly arranged on the latticed top plate 6, and plants are planted in the planting basket 17 for ecological purification of the plants.

Preferably, the upper ends of the slow flow consumption pool 1, the first sedimentation pool 2 and the second sedimentation pool 3 are all provided with a sewage well, a sludge treatment pump is arranged below the guide plate 12 and connected with a sewage pipeline, and the sewage pipeline extends out of the sewage well and discharges sludge accumulated below the guide plate.

In the utility model, sewage enters from the water inlet pipeline 8 of the secondary flow consumption pool 1, magazines with large density are precipitated below the guide plate 12 along with the increase of water amount, the water purified for one time flows into the first sedimentation pool 2 from the connecting pipeline 15, the magazines with large density are precipitated below the guide plate 12 along with the increase of water amount in the first sedimentation pool 2, and the water purified for 2 times enters the second sedimentation pool 3 from the connecting pipeline 15; the high-density magazines are precipitated in the guide plate 12, and water is discharged from the water outlet pipeline 9 after three times of precipitation; the residue below the deflector 12 can be discharged by a sludge treatment pump.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A sedimentation tank structure for purifying sewage filter materials is characterized by comprising a slow flow consumption tank, a first sedimentation tank and a second sedimentation tank which are sequentially arranged; the slow flow consumption pool, the first sedimentation pool and the second sedimentation pool are all composed of 1 or a plurality of splicing parts, the splicing parts are detachably connected, each splicing part comprises a plurality of splicing plates, a plurality of transverse splicing supports, a bottom plate and a top plate, the splicing plates are detachably connected with one another, the splicing plates are detachably connected with the transverse splicing supports, the bottom plate and the top plate, the transverse splicing supports are arranged in parallel in the longitudinal direction, and the splicing plates, the transverse splicing supports, the bottom plate and the top plate are spliced into a cavity structure in a detachable mode; the transverse splicing support is arranged to be of a rectangular frame structure, splicing grooves for splicing the splicing plates are formed in the upper surface and the lower surface of the transverse splicing support, splicing grooves for splicing the splicing plates are formed in the positions, connected with the splicing plates, of the bottom plate and the top plate, the splicing plates are fixedly connected with the bottom plate, the top plate and the transverse splicing support in a splicing mode through splicing blocks in the splicing grooves in a splicing mode and are locked through splicing buckles; one side of each splicing plate is provided with a buckling hole, the other side of each splicing plate is provided with a fastener, the adjacent splicing plates are detachably connected with the buckling holes through the fasteners, the upper end position in the slow flow consumption pool is also provided with a water inlet pipeline, a plurality of water inlet spray heads are uniformly arranged on the water inlet pipeline, two adjacent splicing parts are communicated through a connecting pipeline, the second sedimentation tank is provided with a water outlet pipeline at one end far away from the first sedimentation tank, an overflow pipe is also arranged above the water outlet pipeline, the lower end of each splicing part is provided with an upper back flush pipeline and a lower back flush pipeline, the upper back flush pipeline of each splicing part is communicated with the lower back flush pipeline of each splicing part, a plurality of back washing nozzles are arranged on the upper back washing pipeline and the lower back washing pipeline, and a plurality of guide plates are detachably connected between the upper back washing pipeline and the lower back washing pipeline; the horizontal splicing support is provided with a plurality of square mounting holes in a rectangular frame structure, the bottom of the horizontal splicing support is provided with each of the horizontal splicing supports, a plurality of supporting pieces are detachably connected to the upper portion of each mounting hole, each supporting piece comprises a frame arranged outside and grids arranged in the frame, the frames are detachably arranged at the mounting holes and are provided with a plurality of filter material cylinders, the filter material cylinders are respectively inserted into the supporting pieces, water purification filter materials are filled in the filter material cylinders, and the structures of the filter material cylinders are matched with the structures of the supporting pieces.

2. The sedimentation tank structure for sewage filtering material purification according to claim 1, wherein each of the splice plates is provided with a rectangular structure, and each of the splice plates is provided with four pipe grooves for installing a water inlet pipe, a water outlet pipe, a connecting pipe or an overflow pipe, six backwash pipe grooves for installing an upper backwash pipe or a lower backwash pipe, and a buckle groove for installing a buckle.

3. The filter material purifying sedimentation tank structure of claim 2, wherein the four pipe grooves are arranged in two groups of upper and lower and two in each group, and the six backwash pipe grooves are arranged in two groups of upper and lower and three in each group.

4. The filter material purifying sedimentation tank structure for sewage of claim 1, wherein the ratio of the widths of the slow flow consumption tank, the first sedimentation tank and the second sedimentation tank is 2:1: 3.

5. The filter material purifying sedimentation tank structure for sewage of claim 1, wherein the guide plate is installed on the lower backwash pipeline through a fixing bracket.

6. The sedimentation tank structure for filtering material purification of sewage according to claim 5, wherein the fixing support comprises a plurality of support bodies arranged in parallel for installing a plurality of guide plates, and each support body comprises a buckle clamped on the lower back-washing pipeline and an insertion through hole arranged on the support body for inserting the guide plates.

7. The filter material purifying sedimentation tank structure for sewage of claim 1, wherein the top plate is provided with a grid or a flat plate.

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