CN210251513U

CN210251513U - Filter tank

Info

Publication number: CN210251513U
Application number: CN201920908633.0U
Authority: CN
Inventors: 于亚军; 王先键; 张威; 陈平炬; 易洪; 张颖颖; 张会娜; 田占伟
Original assignee: Henan Weilan Water Treatment Technology Co ltd
Current assignee: Henan Weilan Water Treatment Technology Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-04-07
Anticipated expiration: 2029-06-17

Abstract

The utility model relates to a filter. The filter tank comprises a tank body, a filter material layer is filled in the tank body, a supporting layer is arranged below the filter material layer, and a filter brick layer is embedded in the supporting layer; the filter bricks which are continuously arranged along the length direction of the filter bricks are a row of filter bricks, each row of filter bricks are arranged at intervals in the width direction of the filter bricks, and bearing materials are filled at intervals; the filter bricks in the filter brick layer are provided with inner cavities, water distribution and air distribution holes for communicating the outside of the filter bricks with the inner cavities are arranged on the filter bricks, and part of the water distribution and air distribution holes communicate the inner cavities and the adjacent filter bricks at intervals in the horizontal direction or below the inner cavities. The utility model discloses the interval between the well filter brick adopts the bearing material to fill, and the water distribution gas distribution hole that partial backwash gas and backwash water seted up on the filter brick in the filter brick layer flows out the back, makes also that the interval department between the filter brick of adjacent row has backwash gas and water distribution gas distribution hole to flow through and wash, makes filter pond gas distribution water distribution more even, and the frequency that the filter pond carries out the back flush still less, has improved the filtration efficiency in filter pond.

Description

Filter tank

Technical Field

The utility model relates to a filter.

Background

The section of the plastic filter brick used by the filter brick layer in the existing filter tank is generally rectangular, for example, as the filter brick disclosed in the Chinese utility model patent with the publication number of CN208087306U, when the filter brick layer adopting the filter brick is installed, a cement mortar leveling layer is firstly laid at the bottom of the filter brick, then the filter brick is laid, a gap of 5cm-15cm is formed between every two adjacent filter bricks during the laying, and finally the gap between the filter bricks is filled with cement mortar. When the filter bricks are laid by adopting the method, the upper filter material layer and the supporting layer corresponding to the gaps among the filter bricks do not directly pass through backwashing gas and backwashing water, so that the water and gas distribution is uneven, the backwashing effect is poor, the filter tank needs frequent backwashing, and the filtering efficiency of the filter tank is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filtering pond to solve among the prior art filter brick and adopt cement mortar to pour fixedly, the gap between the filter brick is filled with cement mortar, the inhomogeneous problem of filtering pond water distribution gas distribution that leads to.

In order to achieve the above purpose, the technical scheme of the filter tank of the utility model is that: the filter tank comprises a tank body, a filter material layer is filled in the tank body, a supporting layer is arranged below the filter material layer, the filter brick layer comprises a large number of filter bricks which are arranged in a row, and the filter brick layer is embedded in the supporting layer; the filter bricks which are continuously arranged along the length direction of the filter bricks are a row of filter bricks, each row of filter bricks are arranged at intervals in the width direction of the filter bricks, and the bearing materials of the bearing layer are filled at intervals; the filter bricks in the filter brick layer are provided with inner cavities for water and gas distribution, water and gas distribution holes for communicating the outside of the filter bricks with the inner cavities are arranged on the cavity walls of the filter bricks, part of the water and gas distribution holes are positioned on the upper side cavity walls of the filter bricks, and part of the water and gas distribution holes are positioned on the lateral cavity walls and/or the bottom cavity walls; during back flushing, the water gas flowing through the water distribution and air distribution holes on the upper side cavity wall flows upwards to flush the bearing layer and the filter material layer, and the water gas flowing through the water distribution and air distribution holes on the lateral cavity wall and/or the bottom cavity wall can flow upwards from the space between two adjacent rows of filter bricks to flush the bearing layer and the filter material layer.

The utility model has the advantages that: the utility model discloses interval between well filter brick no longer adopts cement mortar to pour, but adopt the bearing material to fill, the water distribution gas distribution hole that partial recoil washing gas and backwash water seted up on the side direction chamber wall of filter brick and/or the bottom chamber wall flows back through the interval between the filter brick upwards flows away, interval between the filter brick of adjacent row also has recoil washing gas and backwash water to flow through and wash, make filtering pond gas distribution water distribution more even, the backwash effect is better, the frequency that the filtering pond carries out the backwash still less, the filtration efficiency in filtering pond has been improved.

Furthermore, the supporting materials of the supporting layer are filled below the filter brick layer, the water distribution and air distribution holes are arranged on the bottom cavity wall of the filter brick, and the supporting layer between two adjacent rows of filter bricks and the corresponding upper filter material layer are washed by the water distribution and air distribution holes flowing through the bottom cavity wall during backwashing. When the water distribution and air distribution hole is arranged on the bottom wall, the water gas flowing out of the water distribution and air distribution hole flows upwards through the filter bricks at intervals, and compared with the water gas which is back flushed by the scheme that the water distribution and air distribution hole is arranged on the wall of the bottom cavity, the water gas can more comprehensively flush the bearing materials in the intervals among the filter bricks.

Further, the cell body bottom disposes the bearing structure, and the cell body bottom is provided with the fixing screw of vertical extension, the last bearing structure complex compact structure of installing of fixing screw, the filter brick quilt on filter brick layer the bearing structure presss from both sides tightly fixedly with compact structure. The pressing structure is arranged through the fixing screw rod to press the filter bricks on the bearing structure, so that the pressing structure is simple and convenient to mount when the filter bricks are mounted, and the filter bricks are conveniently pressed and fixed.

Furthermore, the bearing structure is mounted on the fixed screw rod in a vertically adjustable manner. Bearing structure can adjust relative height for the dead lever, for the filter brick, can adjust the height when being fixed of each filter brick through bearing structure and bearing structure on adjusting different dead levers, be convenient for adjust all filter bricks to same height, thereby can improve the roughness on filter brick layer, in order to realize more even cloth gas water distribution, and adopt because cement mortar need not be laid again to this kind of mode, the time of waiting for its solidification has been saved, consequently, construction cycle has also been reduced, bearing structure and bearing structure all are removable fixed, only need clear away filter brick top filter bed of material and behind the bearing layer when later maintenance is changed, pull down bearing structure and can change the filter brick, it is simpler to change.

Further, each block is supported lengthwise by at least two support structures. The filter brick is through two at least bearing structure bearings back, can adjust the degree of inclination around the single filter brick through the relative height who adjusts two bearing structures to the roughness in further adjustment filtering pond, water distribution gas distribution is more even.

Furthermore, each filter brick is supported by four bearing structures and is pressed by four pressing structures, and the four bearing structures and the four pressing structures respectively correspond to the four corners of the filter brick. Set up bearing structure and compact structure in four corners department and fix more stably to the filter brick, the filter brick atress is more even.

Furthermore, the compression structures on the fixing screws between two adjacent rows of filter bricks simultaneously compress two rows of corresponding filter bricks, and the bearing structures on the fixing screws between two adjacent rows of filter bricks simultaneously bear the two rows of corresponding filter bricks. Because the fixed screw rods are positioned at the two sides of the filter brick, the water distribution and the gas distribution of the filter brick can not be influenced.

Furthermore, the upper part of the filter brick is provided with symmetrically arranged inclined planes at the two sides in the width direction, so that the upper part of the filter brick is in a ridge structure, and the compression structure is provided with compression inclined planes matched with the opposite inclined planes of the corresponding filter bricks in two rows. The gas distribution and water distribution are more uniform after the inclined plane is arranged at the top of the filter brick, the pressing inclined plane is arranged to press the inclined plane at the top of the filter brick downwards, the contact area is larger, the fixation is more stable, and the filter brick can be conveniently arranged at the position between two opposite sides of the fixing screw rods under the pressing of the inclined planes at the two sides of the filter brick.

Furthermore, compact structure includes top board and last cassette, goes up the cassette and is located the top board below, and the top board is locked by lock nut, goes up the relative both sides face of cassette and is for compressing tightly the inclined plane. Go up and set up on the cassette and compress tightly the inclined plane and be used for compressing tightly the filter brick, compress tightly the cassette through the top board again, lock through lock nut at last again, set up a plurality of parts and make compact structure more stable.

Further, the bearing structure comprises a lower supporting plate and locking nuts, and the lower supporting plate is fixed by the locking nuts positioned on the upper side and the lower side of the lower supporting plate. The lower supporting plate can be fixed on the screw rod in an up-and-down adjustable manner through the locking nut, so that the structure is simple, and the installation is convenient.

Drawings

FIG. 1 is a schematic plan view of a filter according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged view of the filter block of FIG. 3;

FIG. 5 is a schematic view of a filter block construction;

description of reference numerals: 1-a pool body; 2-a filter material layer; 3-a supporting layer; 4-a filter brick; 41-bottom surface; 42-vertical plane; 43-inclined plane; 44-water distribution and air distribution holes; 45-reinforcing ribs; 5-backwashing the water inlet pipe; 6-backwashing the air inlet pipe; 71-a fixed screw; 72-upper card holder; 73-an upper platen; 74-lower pallet; 75-locking nut.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses a concrete embodiment in filtering pond, as shown in fig. 1 to 4, the filtering pond includes cell body 1 and sets up filter bed 2 in cell body 1, be located the support layer 3 of filter bed 2 below and bury the filter brick layer in support layer 3 underground, and the filter brick layer comprises filter brick 4 that the array was arranged, and the filter brick of arranging in succession along 4 length direction of filter brick is one, interval arrangement between the adjacent row.

A back flush channel is arranged below the filter brick layer, a cover plate is arranged at the top of the back flush channel, a back flush water inlet pipe 5 and a back flush air inlet pipe 6 are arranged in the back flush channel, the back flush water inlet pipe 5 and the back flush air inlet pipe 6 are connected with a water inlet branch pipe and an air inlet branch pipe, the water inlet branch pipe and the air inlet branch pipe extend upwards, penetrate through the cover plate and then extend into each row of filter bricks, water inlet and air inlet of each row of filter bricks are realized, and meanwhile, materials on a bearing layer can be prevented from falling into the back flush channel.

As shown in fig. 5, the filter brick 4 in this embodiment is a cylindrical structure having an inner cavity for introducing back washing gas and back washing water to distribute water and gas, and five side surfaces, namely a bottom surface 41, two vertical surfaces 42 and two inclined surfaces 43, are circumferentially distributed on the periphery of the filter brick 4 along the length direction. The bottom surface 41 of the filter brick 4 is horizontally arranged to form a bottom cavity wall; the two vertical surfaces 42 are perpendicular to the bottom surface 41 to form a lateral cavity wall; the two inclined planes 43 are arranged obliquely upwards, so that the middle part of the top of the filter brick is higher than the two sides to form a ridge-shaped upper side cavity wall. The filter bricks 4 are provided with water distribution and air distribution holes 44 on two inclined planes 43 and the bottom surface 41 for back washing, the filter bricks 4 are embedded in the supporting layer 3, materials for supporting are uniformly distributed around the filter bricks 4, except that the inclined planes 43 arranged at the tops of the filter bricks 4 can disperse back washing water and back washing air to two sides of the filter bricks 4 for washing, part of the back washing water and the back washing air can flow out through the water distribution and air distribution holes 44 at the bottom and flow out upwards through the intervals among the filter bricks 4, the supporting materials at the bottoms and in the intervals of the filter bricks 4 are washed, and water distribution and air distribution are more uniform. In order to enhance the structural strength of the filter block, reinforcing ribs 45 are circumferentially arranged on the outer circumferential surface of the filter block. In other embodiments, the water and air distribution holes may be only disposed on the two inclined surfaces and the two vertical surfaces, or the water and air distribution holes may be disposed on the vertical surfaces, the bottom surface and the inclined surfaces.

As shown in fig. 3 and 4, in the present embodiment, a vertical fixing screw 71 is disposed at the bottom of the tank body 1, the fixing screw 71 is located in an interval between adjacent rows of filter bricks, each fixing screw 71 is provided with a pressing structure for pressing the filter bricks 4 and a supporting structure for supporting the filter bricks 4, specifically, the pressing structure includes an upper pressing plate 73, an upper clamping seat 72 located below the upper pressing plate 73, and a locking nut 75 for locking, the supporting structure includes a lower supporting plate 74 and a locking nut 75 for locking the lower supporting plate 74, the posture and height of the filter bricks 4 can be adjusted by adjusting the height of the lower supporting plate 74 on the fixing screw by screwing the locking nut 75, so as to adjust the flatness of the filter brick layer, and the upper clamping seat 72 and the upper pressing plate 73 above the filter bricks 4 are used for pressing the filter bricks 4 on the supporting structure, so as to fix the filter bricks 4.

Because the top of the filter brick 4 in this embodiment is provided with the two inclined planes 43, the upper clamping seat 72 in the pressing structure is of a quadrangular prism structure, the edges of the quadrangular prism structure extend along the length direction of the filter brick 4, the side surfaces at two sides of the fixing screw 71 are parallel to the inclined planes 43 at the top of the filter brick 4 and press down the inclined planes 43, the two side surfaces are pressing inclined planes, the upper clamping seat 72 is fixed through the upper pressing plate 73 and the locking nut 75, each side of the filter brick 4 is clamped and fixed between the pressing structure and the supporting structure by the two fixing screws 71, except for the fixing screw 71 at the outermost side in the width direction of the filter brick, each fixing screw 71 can fix the filter bricks 4 at two sides, the number of the fixing screws 71 is reduced, and the installation is simpler. In other embodiments, the upper clamping seat is not arranged, and the bottom of the upper pressing plate is provided with the pressing inclined surface, and in other embodiments, the filter brick with the upper side cavity wall being a plane can be pressed and fixed only by the upper pressing plate and the locking nut.

The filter brick layer in the filtering pond in this embodiment is buried underground in the supporting layer, the filter brick interval arrangement, and the interval intussuseption is filled with the bearing material of supporting layer, the filter brick is provided with water distribution gas distribution hole on the bottom chamber wall, when back flush, back flush gas and back flush water can follow the water distribution gas distribution hole on the bottom chamber wall and flow out, and upwards flow out through the interval between the filter bricks, can carry out the back flush to the supporting layer between the filter bricks and the filter material layer that the top corresponds, water distribution gas distribution is more even, the back flush effect is better, thereby the frequency of back flush has been reduced, the filtration efficiency in filtering pond has been improved.

In other embodiments, the fixing screw rod can also penetrate through the middle part of the filter brick and be fixed by the upper pressing plate and the lower supporting plate, in which case a single filter brick can be fixed by at least one fixing screw rod, and of course two fixing screw rods can be provided and the two ends of the filter brick can be fixed by the pressing structure and the supporting structure on the fixing screw rods.

In other embodiments, three fixing screws may be disposed on each side of the filter block, the fixing screws at the two ends are only provided with the supporting structure for supporting, and the fixing screw in the middle is only provided with the pressing structure for pressing the filter block.

In other embodiments, two rows of fixing screws may be disposed in the space between adjacent sets of filter bricks to fix the filter bricks on the corresponding side.

In other embodiments, the inner holes of the upper pressure plate and the lower support plate on the fixing screw rod can also be threaded holes, the upper pressure plate and the lower support plate are in threaded fit with the fixing screw rod, the compression structure can not be provided with a locking nut any more at the moment, only the upper pressure plate is used for locking, and the lower support plate is only provided with a single nut on the lower side for locking.

In other embodiments, the supporting structure may also be a supporting plate fixedly disposed on the fixing rod, and the supporting plate is provided with a bolt adjustable up and down to support the filter bricks.

In other embodiments, the lower supporting plate in the supporting structure may also be fixedly disposed on the fixing screw rod, and then compressed by the upper pressing plate.

In other embodiments, the supporting structure may also be a frame disposed below the filter brick layer, and the filter bricks are placed on the frame and then pressed by an upper pressing plate on the fixing screw.

Claims

1. A filter tank is characterized by comprising;

a tank body;

the filter material layer is filled in the tank body;

the supporting layer is positioned below the filter material layer;

the filter brick layer comprises a plurality of filter bricks which are arranged in a row and is embedded in the bearing layer;

the filter bricks which are continuously arranged along the length direction of the filter bricks are a row of filter bricks, each row of filter bricks are arranged at intervals in the width direction of the filter bricks, and the bearing materials of the bearing layer are filled at intervals;

the filter bricks in the filter brick layer are provided with inner cavities for water and gas distribution, water and gas distribution holes for communicating the outside of the filter bricks with the inner cavities are arranged on the cavity walls of the filter bricks, part of the water and gas distribution holes are positioned on the upper side cavity walls of the filter bricks, and part of the water and gas distribution holes are positioned on the lateral cavity walls and/or the bottom cavity walls;

during back flushing, the water gas flowing through the water distribution and air distribution holes on the upper side cavity wall flows upwards to flush the bearing layer and the filter material layer, and the water gas flowing through the water distribution and air distribution holes on the lateral cavity wall and/or the bottom cavity wall can flow upwards from the space between two adjacent rows of filter bricks to flush the bearing layer and the filter material layer.

2. A filter according to claim 1, wherein the support layer is filled with support material under the filter brick layer, the water distribution and air distribution holes are arranged on the bottom cavity wall of the filter bricks, and during back flushing, the support layer between two adjacent rows of filter bricks and the corresponding upper filter material layer are flushed by flowing through the water distribution and air distribution holes on the bottom cavity wall.

3. A filter according to claim 1 or 2, wherein a supporting structure is arranged at the bottom of the filter body, a vertically extending fixing screw is arranged at the bottom of the filter body, a pressing structure matched with the supporting structure is arranged on the fixing screw, and the filter bricks of the filter brick layer are clamped and fixed by the supporting structure and the pressing structure.

4. A filter according to claim 3 wherein said support structure is vertically adjustably mounted on said mounting screw.

5. A filter according to claim 4, wherein each block is supported lengthwise by at least two support structures.

6. A filter according to claim 5, wherein each block is supported by four support formations and is held down by four hold-down formations, the four support formations and the four hold-down formations corresponding to the respective corners of the block.

7. A filter according to claim 3, wherein the compression formations on the securing screws between adjacent rows of filter bricks simultaneously compress respective filter bricks in two rows, and the support formations on the securing screws between adjacent rows of filter bricks simultaneously support respective filter bricks in two rows.

8. A filter according to claim 7, wherein the upper portions of the filter bricks have symmetrically disposed inclined surfaces on either side in the width direction so that the upper portions of the filter bricks are in a roof ridge configuration, the hold-down formations having hold-down inclined surfaces adapted to the opposed inclined surfaces of corresponding filter bricks in the two rows.

9. A filter according to claim 8, wherein the compression structure comprises an upper pressure plate and an upper clamping seat, the upper clamping seat is positioned below the upper pressure plate, the upper pressure plate is locked by a locking nut, and two opposite side surfaces of the upper clamping seat are compression inclined surfaces.

10. A filter according to claim 3 wherein the support structure comprises a lower support plate and locking nuts, the lower support plate being secured by the locking nuts on both the upper and lower sides of the lower support plate.