CN215939127U - Filter tank back flushing pipe mounting structure - Google Patents

Abstract

The utility model relates to a filtering pond back flush pipe mounting structure especially relates to the field of filtering pond back flush, and it is including seting up the through-flow canal in the cell body bottom, through-flow canal one end opening sets up, through-flow canal opening part intercommunication has the through-flow pipe, the cell body bottom is provided with the back flush pipeline, the back flush pipeline includes a plurality of back flush branch pipes of laying along through-flow canal length direction interval, the back flush branch pipe includes back flush horizontal branch pipe and back flush upright branch pipe, back flush horizontal branch pipe is installed on the cell body diapire, a plurality of through-flow holes have been laid along self length direction interval on the back flush horizontal branch pipe, back flush upright branch pipe upper end and back flush horizontal branch pipe intercommunication, back flush upright branch pipe lower extreme penetrates in the through-flow canal inner chamber to communicate with through-flow canal inner chamber. This application has the effect of promoting the regeneration quality to filter layer filter capacity.

Description

Filter tank back flushing pipe mounting structure

Technical Field

The application relates to the field of filter tank backwashing, in particular to a filter tank backwashing pipe mounting structure.

Background

In the filtration process, the filter tank is usually arranged behind a sedimentation tank or a clarification tank, and suspended impurities in water are mainly trapped by a filter material layer such as a quartz sand layer arranged in the filter tank, so that the filter tank is an important structure in the filtration process. After the filter tank is used for a period of time, gaps in a filter material layer can be gradually blocked by impurities, so that the filtering capacity is reduced, and therefore, the key of stable and efficient operation of the filter tank lies in the regeneration of the filtering capacity of the filter material layer.

The patent document of the Chinese utility model with the application number of 201520981841.5 discloses a backwashing filter tank, which comprises a filter tank, a water outlet channel communicated with the bottom of the filter tank, a filter layer at the bottom of the filter tank, a water inlet and a backwashing port at the side part of the filter tank and a water outlet at the side wall of the water outlet channel, wherein a backwashing water pipe is arranged at the bottom of the filter layer, a plurality of open pores are arranged on the backwashing water pipe, and the pore diameter is changed from small to large along the water flow direction of the backwashing pipe; the filter chamber is internally provided with a water outlet weir which is communicated with a back flush port on the side wall of the filter chamber, and the water outlet weir is higher than the water inlet. When the filter is used for a period of time, the filter layer is washed from bottom to top through the back washing water pipe, fine particles or sludge covered on the surface of the filter layer or in gaps are washed to the surface of the filter to form turbid liquid, and the turbid liquid flows out through the back washing port of the water outlet weir, so that the regeneration of the filtering capacity of the filter material layer is completed.

In view of the above-mentioned related technologies, the inventor believes that there is a great difference in the washing force applied to the filter material close to the backwash water pipe and the filter material far from the backwash water pipe, and there is a defect of low regeneration quality of the filtering capacity.

SUMMERY OF THE UTILITY MODEL

In order to promote the regeneration quality to filter layer filtering capacity for the filtering pond can stabilize high-efficient operation, this application provides a filtering pond backwash pipe mounting structure.

The application provides a filtering pond backwash pipe mounting structure adopts following technical scheme:

filter pond back flush pipe mounting structure, including seting up the through-flow canal in the cell body bottom, through-flow canal one end opening sets up, through-flow canal opening part intercommunication has the through-flow pipe, the cell body bottom is provided with the back flush pipeline, the back flush pipeline includes a plurality of back flush branch pipes of laying along through-flow canal length direction interval, back flush branch pipe includes back flush horizontal branch pipe and back flush upright branch pipe, back flush horizontal branch pipe is installed on the cell body diapire, a plurality of through-flow holes have been laid along self length direction interval on the back flush horizontal branch pipe, back flush upright branch pipe upper end and back flush horizontal branch pipe intercommunication, back flush upright branch pipe lower extreme penetrates in the through-flow canal inner chamber to communicate with through-flow canal inner chamber.

Through adopting above-mentioned technical scheme for when carrying out the back flush, the water, the gas that wash can follow cell body bottom and gush everywhere, fully wash everywhere filter material, reduce the washing intensity difference of different regional filter materials, help promoting the washing quality on filter material layer, and then the reinforcing promotes filter material layer filtering capacity's regeneration quality.

Optionally, an air duct parallel to the back-washing vertical branch pipe is arranged on the inner wall of the back-washing vertical branch pipe, the top end of the air duct extends out of the top end of the back-washing vertical branch pipe and extends to the upper portion of the inner cavity of the back-washing transverse branch pipe, the bottom end of the air duct is sealed, a vertical pipe air hole communicated with the inner cavity of the air duct is formed in the side wall of the back-washing vertical branch pipe, and the vertical pipe air hole is located in the through-flow channel.

By adopting the technical scheme, when the water flushing is carried out after the air flushing, residual air remained in the backwashing pipeline is extruded to the top of the inner cavity of the backwashing transverse branch pipe by the entering water body, then enters the air guide pipe from the top of the air guide pipe, is discharged from the air hole of the vertical pipe and is separated from the backwashing pipeline; the designed air duct and the air hole of the vertical pipe are convenient for residual air to be discharged from the back washing pipeline, and are convenient and practical.

Optionally, the horizontal branch pipe of back flush comprises bottom plate and the U-shaped board of setting on the bottom plate, the horizontal branch pipe of back flush is fixed on the cell body diapire through fixed subassembly, fixed subassembly includes cushion and clamp, the clamp includes U type card and sets up the auricle in U type card opening both sides, all be provided with the mounting hole that supplies expansion bolts to pass on auricle and the cushion.

By adopting the technical scheme, the designed backwashing transverse branch pipe structure is beneficial to improving the stress area at the bottom of the backwashing transverse branch pipe and improving the bearing capacity of the backwashing transverse branch pipe on a filter material layer, and the clamp is matched with the backwashing transverse pipe, so that the backwashing transverse pipe is convenient to fix and mount.

Optionally, the bottom plate is provided with extension sections on two sides of the bottom plate in the length direction, the cushion block is provided with a step surface for placing the extension sections, and the extension sections can be clamped between the step surface and the lug.

By adopting the technical scheme, the fixing effect on the backwashing transverse branch pipes is further improved, and the fixing effect is enhanced.

Optionally, the mounting hole is a waist-shaped hole.

By adopting the technical scheme, the requirement on the installation precision in the installation process is reduced, and the clamp is convenient to install quickly.

Optionally, the through-flow hole is including violently managing the air pocket and violently managing the apopore, the equal spaced multiunit that is equipped with of the length direction of the template of falling U in the template top and both sides violently manage the air pocket, violently manage the apopore and separate on the bottom plate along bottom plate length direction and be equipped with the multiunit.

By adopting the technical scheme, the air outlet and the water outlet in the backwashing process can be more uniform, and the backwashing uniformity of the filter material is further promoted.

Optionally, the two sides of the inverted U-shaped plate are symmetrically provided with grooves, the grooves are arranged along the length direction of the inverted U-shaped plate, and the transverse pipe air holes in the two sides of the inverted U-shaped plate are formed in the wall of the groove.

Through adopting above-mentioned technical scheme, can effectively avoid the clamp to the jam of the violently pipe gas pocket of falling U template both sides, help the violently pipe gas pocket of falling U template both sides can normal use, and then promote the back flush homogeneity to the filter material.

Optionally, an installation cavity is formed in the bottom wall of the tank body, the installation cavity is located above the through-flow channel and communicated with the through-flow channel, a disassembly-free positioning plate is arranged at the communication position of the bottom of the installation cavity and the through-flow channel, the backwashing upright branch pipe penetrates through the disassembly-free positioning plate, and a concrete layer is arranged in the installation cavity.

By adopting the technical scheme, the installation of the back washing pipeline is facilitated, and the fixing effect on the back washing vertical branch pipe is enhanced.

In summary, the present application includes at least one of the following beneficial technical effects:

the arrangement of the back flushing pipeline ensures that water and gas for flushing can flow upwards from all parts of the bottom of the tank body during back flushing, and filter materials at all parts can be fully flushed, so that the difference of flushing strength of the filter materials in different regions is reduced, the flushing quality of the filter material layer is improved, and the regeneration quality of the filtering capacity of the filter material layer is further improved;

the designed air duct and the air hole of the vertical pipe are convenient for residual air to be discharged from the back washing pipeline, and are convenient and practical;

the structure of the backwashing horizontal branch pipe is beneficial to improving the stress area at the bottom of the backwashing horizontal branch pipe, further improving the bearing capacity of the backwashing horizontal branch pipe on the filter material layer, and the hoop is matched with the backwashing horizontal pipe, so that the backwashing horizontal pipe is convenient to fix and mount.

Drawings

FIG. 1 is a schematic view showing the overall structure of a filter backwash pipe installation structure according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of the filter backwash pipe mounting structure of FIG. 1.

FIG. 3 is a longitudinal sectional view of the installation structure of the backwash pipe of the filter of FIG. 1.

Fig. 4 is an exploded view of the backwash manifold of fig. 1.

Fig. 5 is an exploded view of the stationary assembly portion of fig. 1.

Reference numerals: 1. a tank body; 11. a water inlet pipe; 12. a V-shaped groove; 13. a backwashing water outlet pipe; 14. a through-flow channel; 141. a sealing plate; 142. a draft tube; 1421. backwashing the water pipe; 1422. back flushing the air pipe; 15. a mounting cavity; 151. a disassembly-free positioning plate; 152. a concrete layer; 16. leveling mortar; 2. back flushing the branch pipe; 21. back flushing the transverse branch pipe; 211. a base plate; 2111. an extension section; 2112. a water outlet of the transverse pipe; 212. an inverted U-shaped plate; 2121. a groove; 2122. a horizontal pipe air hole; 213. a baffle plate; 2131. residual air exhaust holes; 22. back flushing the vertical branch pipe; 221. an air duct; 222. a vertical pipe air hole; 3. a fixing assembly; 31. cushion blocks; 311. an installation part; 312. a support portion; 32. clamping a hoop; 321. a U-shaped card; 322. a tab; 33. an expansion bolt; 34. and (7) installing holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses filtering pond backwash pipe mounting structure, explain for the example V type filtering pond, refer to fig. 1, V type filtering pond includes cell body 1, inlet tube 11 has been buried underground at 1 lateral wall top of cell body, there are V type groove 12 through the bolt fastening in 1 inner chamber of cell body, V type groove 12 sets up the delivery port below at inlet tube 11 along 1 length direction of cell body, backwash water outlet pipe 13 has been buried underground to lateral wall one side that inlet tube 11 was kept away from to cell body 1, backwash water outlet pipe 13 sets up in 1 lateral wall middle part of cell body, and be less than the setting of V type groove 12, there is the valve through the flange mounting on backwash water outlet pipe 13.

Referring to fig. 1, 2 and 3, the filter backwash pipe installation structure includes a through-flow channel 14 and a backwash pipeline provided at the bottom of the tank body 1. One end of the through flow channel 14 is open, a sealing plate 141 is buried at the opening of the through flow channel 14, a through flow pipe 142 is welded on the sealing plate 141, a backwashing water pipe 1421 and a backwashing air pipe 1422 which are communicated with the through flow pipe 142 are welded on the through flow pipe 142, and valves are also mounted on the through flow pipe 142, the backwashing water pipe 1421 and the backwashing air pipe 1422 through flanges. The installation cavity 15 has been seted up on 1 diapire of cell body, and the installation cavity 15 bottom broadens the setting, and communicates with through-flow canal 14 top. The back-flushing pipeline comprises a plurality of back-flushing branch pipes 2 which are arranged at intervals along the length direction of the through-flow channel 14, the back-flushing branch pipes 2 comprise back-flushing transverse branch pipes 21 and back-flushing vertical branch pipes 22 which are communicated, the back-flushing transverse branch pipes 21 are fixed on the bottom wall of the tank body 1 through fixing components 3, the back-flushing vertical branch pipes 22 are perpendicular to the back-flushing transverse branch pipes 21 and are welded below the middle parts of the back-flushing transverse branch pipes 21, and the lower ends of the back-flushing vertical branch pipes 22 penetrate through the installation cavity 15 to extend into the inner cavity of the through-flow channel 14 and are communicated with the inner cavity of the through-flow channel 14; and a disassembly-free positioning plate 151 for installing and positioning the back flush vertical branch pipe 22 is laid at the communication position of the bottom of the installation cavity 15 and the through-flow channel 14, the back flush vertical branch pipe 22 penetrates through the disassembly-free positioning plate 151, and a concrete layer 152 is formed in the installation cavity 15 through pouring concrete to limit and fix the back flush vertical branch pipe 22.

Referring to fig. 4 and 5, the backwash horizontal branch pipe 21 is composed of a bottom plate 211, an inverted U-shaped plate 212 welded to the bottom plate 211, and baffles 213 welded to both ends of the inverted U-shaped plate 212, grooves 2121 are symmetrically formed on both sides of the inverted U-shaped plate 212, the grooves 2121 are arranged along the length direction of the inverted U-shaped plate 212, and extension sections 2111 are integrally formed on both sides of the bottom plate 211 in the length direction of the inverted U-shaped plate 212. A plurality of through-flow holes are distributed at intervals along the length direction of the back washing transverse branch pipe 21, each through-flow hole comprises a transverse pipe air hole 2122 and a transverse pipe water outlet hole 2112, a plurality of groups of transverse pipe air holes 2122 are arranged at intervals along the length direction of the inverted U-shaped plate 212 at the top and two sides of the inverted U-shaped plate 212, and the transverse pipe air holes 2122 at two sides of the inverted U-shaped plate 212 are arranged on the wall of the groove 2121; two rows of the horizontal pipe water outlet holes 2112 are arranged on the bottom plate 211 at intervals along the width direction of the bottom plate 211, each row comprises a plurality of horizontal pipe water outlet holes 2112 arranged along the length direction of the bottom plate 211 at intervals, and all the horizontal pipe water outlet holes 2112 are communicated with the inner cavity of the back washing horizontal branch pipe 21. In addition, the baffle 213 is provided with a residual air vent 2131.

Referring to fig. 4 and 5, the air duct 221 parallel to the back washing vertical branch pipe 22 is integrally formed on the inner wall of the back washing vertical branch pipe 22, the top end of the air duct 221 extends out from the top end of the back washing vertical branch pipe 22 and extends to the upper part of the inner cavity of the back washing horizontal branch pipe 21, the bottom end of the air duct 221 is sealed, a vertical duct air hole 222 communicated with the inner cavity of the air duct 221 is formed in the side wall of the back washing vertical branch pipe 22, and the vertical duct air hole 222 is located in the through flow channel 14.

Referring to fig. 5, the fixing assembly 3 includes two spacers 31, a yoke 32, and two expansion bolts 33. The two cushion blocks 31 are symmetrically arranged along the length direction of the corresponding backwashing transverse branch pipe 21, each cushion block 31 comprises an installation part 311 and a supporting part 312 which are integrally arranged, the supporting parts 312 of the two cushion blocks 31 are arranged below the corresponding backwashing transverse branch pipe 21, the upper surface of each supporting part 312 is lower than the upper surface of the corresponding installation part 311 to form a step surface for placing the extension section 2111, and in the embodiment, the distance between the upper surface of each supporting part 312 and the upper surface of the corresponding installation part 311 is equal to the thickness of the extension section 2111; the supporting portion 312 is provided with a mounting hole 34 for the screw of the expansion bolt 33 to pass through, the clamp 32 includes a U-shaped clamping piece 321 and lug pieces 322 integrally arranged at two sides of the opening portion of the U-shaped clamping piece 321, the lug pieces 322 are also provided with the mounting hole 34 for the expansion bolt 33 to pass through, in this embodiment, the mounting hole 34 is a waist-shaped hole convenient for mounting and adjusting; the expansion bolts 33 are inserted and fixed in the bottom wall of the tank body 1 through the two mounting holes 34, and in the embodiment, the mortar leveling layer 16 is laid on the surface of the bottom wall of the tank body 1.

The installation principle of the filter backwash pipe installation structure in the embodiment of the application is as follows: digging an installation cavity 15 and a through-flow channel 14 at the bottom of a tank body 1, burying a sealing plate 141 at the opening end of the through-flow channel 14, welding a through-flow pipe 142 on the sealing plate 141, laying a disassembly-free positioning plate 151 at the communication position of the bottom of the installation cavity 15 and the through-flow channel 14, sequentially laying each backwashing branch pipe 2, pouring concrete into the installation cavity 15 to form a concrete layer 152, laying a mortar leveling layer 16 on the bottom wall surface of the tank body 1, installing a fixing component 3 to fix the backwashing transverse branch pipe 21, and communicating a backwashing water pipe 1421 and a backwashing air pipe 1422 to a backwashing water pump and a backwashing air pump. When in use, the air washing, the air-water mixed washing and the water washing are sequentially carried out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. Filter pond backwash pipe mounting structure, including seting up through-flow canal (14) in cell body (1) bottom, through-flow canal (14) one end opening sets up, through-flow canal (14) opening part intercommunication has through-flow pipe (142), cell body (1) bottom is provided with back flush pipeline, its characterized in that: the back flush pipeline includes a plurality of back flush branch pipes (2) of laying along through-flow channel (14) length direction interval, back flush branch pipe (2) are including back flush horizontal branch pipe (21) and back flush vertical branch pipe (22), back flush horizontal branch pipe (21) are installed on cell body (1) diapire, back flush horizontal branch pipe (21) are gone up and are laid a plurality of through-flow holes along self length direction interval, back flush vertical branch pipe (22) upper end and back flush horizontal branch pipe (21) intercommunication, back flush vertical branch pipe (22) lower extreme penetrates in through-flow channel (14) inner chamber to communicate with through-flow channel (14) inner chamber.

2. A filter backwash tube mounting structure as defined in claim 1 wherein: the inner wall of the back-flushing vertical branch pipe (22) is provided with a gas guide pipe (221) parallel to the back-flushing vertical branch pipe (22), the top end of the gas guide pipe (221) extends out of the top end of the back-flushing vertical branch pipe (22) and extends to the upper part of the inner cavity of the back-flushing transverse branch pipe (21), the bottom end of the gas guide pipe (221) is sealed, the side wall of the back-flushing vertical branch pipe (22) is provided with a vertical pipe gas hole (222) communicated with the inner cavity of the gas guide pipe (221), and the vertical pipe gas hole (222) is located in the through-flow channel (14).

3. A filter backwash tube mounting structure as defined in claim 1 wherein: horizontal branch pipe of back flush (21) comprises bottom plate (211) and the inverted U template (212) of setting on bottom plate (211), horizontal branch pipe of back flush (21) is fixed on cell body (1) diapire through fixed subassembly (3), fixed subassembly (3) are including cushion (31) and clamp (32), clamp (32) are including U type card (321) and lug (322) of setting in U type card (321) opening both sides, all be provided with mounting hole (34) that supply expansion bolts (33) to pass on lug (322) and cushion (31).

4. A filter backwash tube mounting structure as claimed in claim 3 wherein: the base plate (211) is provided with extension section (2111) in base plate (211) length direction both sides, be provided with the step face that is used for placing extension section (2111) on cushion (31), extension section (2111) can be blocked between step face and auricle (322).

5. A filter backwash tube mounting structure as claimed in claim 3 wherein: the mounting hole (34) is a waist-shaped hole.

6. A filter backwash tube mounting structure as claimed in claim 3 wherein: the through-flow hole is including violently managing air pocket (2122) and violently managing apopore (2112), the multiunit has all been seted up along the interval of the length direction of the template of falling U (212) with both sides in the template of falling U (212) violently manage air pocket (2122), violently manage apopore (2112) and separate on bottom plate (211) along bottom plate (211) length direction and be equipped with the multiunit.

7. A filter backwash tube mounting structure as claimed in claim 4 wherein: grooves (2121) are symmetrically arranged on two sides of the inverted U-shaped plate (212), the grooves (2121) are arranged along the length direction of the inverted U-shaped plate (212), and transverse pipe air holes (2122) on two sides of the inverted U-shaped plate (212) are formed in the wall of the groove (2121).

8. A filter backwash tube mounting structure as defined in claim 1 wherein: installation cavity (15) have been seted up to cell body (1) diapire, installation cavity (15) are located through-flow canal (14) top, and with through-flow canal (14) intercommunication, installation cavity (15) bottom and through-flow canal (14) intercommunication department are provided with exempt from to tear open locating plate (151), back flush upright branch pipe (22) run through exempt from to tear open locating plate (151), be provided with concrete layer (152) in installation cavity (15).

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