CN211393998U

CN211393998U - Novel water and gas distribution structure applied to biological filter

Info

Publication number: CN211393998U
Application number: CN201922142293.8U
Authority: CN
Inventors: 钟远标; 张文波; 赵国辉
Original assignee: Suzhou Suchuang Environment Technology Development Co ltd
Current assignee: Suzhou Suchuang Environment Technology Development Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-01
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a novel water and gas distribution structure applied to a biological filter, which comprises at least one combined filter brick, wherein each combined filter brick comprises at least two first filter bricks and a second filter brick combination, and the second filter brick combination comprises a plurality of second filter bricks; the two side surfaces of the first filter brick in the width direction are respectively provided with a first opening and a second opening, the top surface is provided with a plurality of third openings, and the first opening is communicated with the third openings to form a first cavity; a plurality of fourth openings are formed in the two side faces of the first filter brick in the length direction, and the second openings are communicated with the fourth openings to form a second cavity; and the two side surfaces in the width direction of the second filter brick are provided with fifth openings, the two side surfaces in the length direction of the second filter brick are provided with sixth openings, and the two fifth openings and the sixth openings form a third cavity. The utility model provides a water distribution gas distribution structure adopts the concatenation of two kinds of structures filter brick, directly by the bottom of first filter brick intaking, combines two kinds of filter brick structure advantages, can save the distribution canal, improves the homogeneity of biological filter water distribution gas distribution.

Description

Novel water and gas distribution structure applied to biological filter

Technical Field

The utility model relates to a sewage treatment device field especially relates to a be applied to novel water distribution gas distribution structure of biological filter.

Background

The biofilter is a biological treatment structure for purifying polluted water by physical adsorption and interception of filter materials and biodegradation of biomembranes attached to the surfaces of the filter materials, and the traditional biofilter consists of a water distribution area, a filter plate, a bearing layer, a filter material layer and a clear water area and is divided into a carbon oxidation biofilter, a nitrification biofilter, a denitrification biofilter and the like according to different functions. The traditional biological filter adopts a filter plate/filter head water and gas distribution system, and has the following defects: (1) the existing biological filter adopts a filter plate/filter head water and gas distribution system or a single-structure filter brick water distribution system, a buffering water distribution area or a water distribution channel is required to be arranged below the biological filter, and the overall height of the biological filter is higher; (2) the water and gas distribution mode is easy to have a back flush blind area and cannot realize uniform water and gas distribution on the whole filter tank plane; (3) the filter brick is widely researched and used as a new generation water and gas distribution system, related research work in the existing filter brick is mostly carried out around 'structural performance improvement of a single filter brick', and the water and gas distribution uniformity of the single-structure filter brick needs to be further improved; (4) the filter has the advantages of high cost, long field construction and installation period, complex construction and installation, breakage, blockage and other problems in the operation process, and further influences the operation life and the operation effect of the filter.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a be applied to biological filter's novel water distribution gas distribution structure, technical scheme is as follows:

the utility model provides a novel water and gas distribution structure applied to a biological filter, which comprises at least one combined filter brick arranged in the biological filter, wherein each combined filter brick comprises at least two first filter bricks and second filter brick combinations arranged at two side edges of the first filter bricks, the second filter brick combinations comprise a plurality of second filter bricks which are spliced in sequence, and the side surface of the first filter brick in the length direction is butted with the side surface of the second filter brick in the width direction;

the first filter brick is of a square structure, two first open holes and a second open hole arranged between the two first open holes are formed in the two side faces of the first filter brick in the width direction, a plurality of third open holes are formed in the top face of the first filter brick, and the first open holes in the two side faces correspond to the third open holes one by one and are respectively communicated with the third open holes to form a first cavity of a hollow structure; a plurality of fourth openings are formed in the two side faces of the first filter brick in the length direction, the second openings and the fourth openings are communicated with each other to form a second cavity of a hollow structure, and the extending direction of the first cavity is parallel to that of the second cavity;

all be provided with the fifth trompil on the both sides face of second filter brick width direction, all be provided with a plurality of supporting legss on the both sides face of second filter brick length direction, form the sixth trompil between every two adjacent supporting legss, two fifth trompils and the third cavity that the sixth trompil communicates mutually and form hollow structure, fifth trompil and fourth trompil one-to-one and communicate each other, third cavity and second cavity intercommunication, just the extending direction of third cavity sets up with the extending direction of second cavity is perpendicular.

Furthermore, length direction all is provided with the swash plate on the both sides face of first filter brick, the one end and the top surface of swash plate are connected, and the other end is connected with the ascending side of first filter brick length direction to form first cavity between the first trompil of two relative settings.

Further, a space is kept between the two inclined plates and the bottom surface of the biological filter, so that a second cavity is formed among the two inclined plates, the bottom surface and the second opening.

Furthermore, the second filter brick is provided with at least one extension part and a clamping groove matched with the extension part, and the extension parts of the second filter brick are inserted into the adjacent clamping grooves of the second filter brick to fixedly connect the two adjacent second filter bricks.

Further, the gap between two adjacent second filter bricks is set to be 6-8 mm.

Furthermore, the first opening is of a triangular structure, and the second opening is of a trapezoidal structure.

Further, the upper end of fourth aperture and fifth trompil is the arc structure, just the height that the fourth aperture is apart from the horizontal plane equals with the height that the fifth trompil is apart from the horizontal plane.

Further, the sixth opening is in a triangular structure.

Further, the aperture ratio of the third opening arranged on the top surface of the first filter brick is set to be 0.6-1.4%.

Furthermore, the water and gas distribution structure further comprises an aeration pipe and a backwashing gas inlet pipe which penetrate through the third cavity and the second cavity, and the aeration pipe and the backwashing gas inlet pipe are distributed in a staggered mode.

The utility model provides a beneficial effect that technical scheme brought as follows:

a. the utility model provides a novel water and gas distribution structure applied to a biological filter, which adopts a water distribution mode of directly feeding water into a second cavity at the bottom of a first filter brick, namely the second cavity at the bottom of the first filter brick has the effects of water feeding and one-time uniform water distribution, can save the bottom water distribution channel structure of a primary biological filter, further effectively reduce the overall height of the biological filter on the premise of not changing the height of a filter material layer, save corresponding construction cost, and simultaneously shorten the construction period of project site water distribution channel construction and installation;

b. the utility model provides a be applied to novel water distribution gas distribution structure of biological filter adopts the filter brick concatenation of two kinds of structures to form, directly intakes by first filter brick bottom, has combined the structural advantage of two kinds of filter bricks, can further improve the homogeneity of biological filter water distribution gas distribution, realizes the most even aqueous vapor distribution under the cell body changes the minimum condition.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of a novel water and gas distribution structure applied to a biological filter according to an embodiment of the present invention;

FIG. 2 is a side view of a novel water and gas distribution structure applied to a biofilter according to an embodiment of the present invention;

fig. 3 is a perspective view of a first filter brick of a novel water and gas distribution structure applied to a biological filter according to an embodiment of the present invention;

FIG. 4 is a side view in the width direction of the first filter brick of the novel water and gas distribution structure applied to a biofilter according to an embodiment of the present invention;

FIG. 5 is a side view of the first filter brick of the novel water and gas distribution structure applied to a biofilter according to the embodiment of the present invention in the length direction;

FIG. 6 is a top view of a first filter brick of a novel water and gas distribution structure applied to a biofilter according to an embodiment of the present invention;

fig. 7 is a perspective view of a second filter brick of the novel water and gas distribution structure applied to a biological filter according to an embodiment of the present invention;

FIG. 8 is a side view of the second filter brick of the novel water and gas distribution structure applied to a biofilter according to the embodiment of the present invention in the length direction;

FIG. 9 is a side view in the width direction of the second filter bricks of the novel water and gas distribution structure applied to a biofilter according to an embodiment of the present invention;

fig. 10 is a top view of a second filter block of the novel water and gas distribution structure applied to a biofilter according to an embodiment of the present invention.

Wherein the reference numerals include: 1-a first filter brick, 2-a second filter brick, 3-a first opening, 4-a second opening, 5-a third opening, 6-a fourth opening, 7-a fifth opening, 8-a support leg, 9-a sixth opening, 10-an inclined plate, 11-an aeration pipe and 12-a backwashing air inlet pipe.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

The utility model provides a be applied to novel water distribution gas distribution structure of biological filter, see fig. 1 and fig. 2, it includes at least one combination filter brick of setting in biological filter, and each combination filter brick includes that at least two first filter bricks 1 and setting are in the second filter brick combination on 1 both sides limit of first filter brick, in actual operation, first filter brick 1 sets up the middle part position in biological filter, and the second filter brick combination sets up 1 both sides limit of first filter brick. The second filter brick combination comprises a plurality of second filter bricks 2 which are sequentially spliced, every two adjacent second filter bricks 2 are spliced through a buckle, at least one extending part 21 and a clamping groove 22 matched with the extending part 21 are arranged on each second filter brick 2, referring to fig. 10, the extending part 21 of each second filter brick 2 is inserted into the clamping groove 22 of the adjacent second filter brick 2, and the section of each clamping groove 22 is of a U-shaped structure, so that the two second filter bricks 2 are connected; are connected together through the clamping grooves 22, but the connecting parts are gapped and not completely attached, and the distance between two adjacent second filter bricks 2 ranges from 6 mm to 8mm, and preferably ranges from 7 mm to 8 mm.

The connection relationship between the first filter block 1 and the second filter block 2 is as follows: the side surface of the first filter brick 1 in the length direction is abutted against the side surface of the second filter brick 2 in the width direction, and the first filter brick 1 is not connected with the second filter brick 2 by using a connecting part, so that the first filter brick 1 is filled with concrete and has heavy weight; a plurality of combined filter bricks are fully distributed at the bottom of the whole filter pool, and filter materials with certain weight are arranged at the upper parts of the combined filter bricks, so that the filter materials play a role in fixing and limit the movement or the offset of the combined filter bricks.

The first filter brick 1 has the following specific structure: the first filter brick 1 is of a square structure, referring to fig. 3 to 7, two first openings 3 and a second opening 4 arranged between the two first openings 3 are respectively arranged on two side surfaces of the first filter brick 1 in the width direction, and the first openings 3 are of a triangular structure, preferably a right-angled triangle; the second opening 4 has a trapezoidal structure. The top surface of the first filter brick 1 is provided with a plurality of third openings 5, the opening rate of the third openings 5 arranged on the top surface of the first filter brick 1 is set to be 0.6-1.4%, and the opening rate is the percentage of the area of the third openings 5 in the surface area of the top surface of the first filter brick 1.

The first cavity and the second cavity are structurally as follows: the first openings 3 on the two side surfaces of the first filter brick 1 correspond to each other one by one and are respectively communicated with the third openings 5 to form first cavities with hollow structures (because the two side surfaces are respectively provided with two first openings 3, two first cavities are formed); a plurality of fourth holes 6 are formed in the two side surfaces of the first filter brick 1 in the length direction, and the second holes 4 and the fourth holes 6 are communicated with each other to form a second cavity with a hollow structure; sloping plates 10 are arranged on two side surfaces of the first filter brick 1 in the length direction, one end of each sloping plate 10 is connected with the top surface, and the other end of each sloping plate 10 is connected with one side surface of the first filter brick 1 in the length direction, so that a first cavity is formed between two oppositely arranged first openings 3 (the position marked with the first opening 3 in the figure 1 is also the direction marked by the first cavity); the number of the inclined plates is two, correspondingly, the number of the first cavities is two, and the first openings 3 are triangular structures, so that the first cavities are triangular columnar structures; the two inclined plates 10 and the bottom surface of the biological filter are spaced, so that a second cavity (marked with the second opening 4 in fig. 1 is also the second cavity identification direction) is formed between the two inclined plates 10, the bottom surface and the second opening 4, the second opening 4 is in a trapezoidal structure, and the second cavity is in a trapezoidal column structure. The extending direction of the first cavity is parallel to the extending direction of the second cavity, and the first cavity and the second cavity both extend along the length direction of the first filter brick 1.

The second filter brick 2 has the following specific structure: referring to fig. 7 to 10, fifth openings 7 are formed in both side surfaces of the second filter brick 2 in the width direction, a plurality of support legs 8 are formed in both side surfaces of the second filter brick 2 in the length direction, a sixth opening 9 is formed between every two adjacent support legs 8, the distance range between every two adjacent support legs 8 is set to be 100-110mm, and the sixth opening 9 is a triangular structure; two fifth trompils 7 and the mutual third cavity that forms hollow structure of intercommunication of sixth trompil 9, fifth trompil 7 and fourth trompil 6 one-to-one and intercommunication each other, the third cavity (mark fifth trompil 7 department also is third cavity sign direction in figure 1) and second cavity intercommunication, just the extending direction of third cavity sets up with the extending direction of second cavity is perpendicular, the third cavity extends along the length direction of second filter brick 2, the length direction of second filter brick 2 is perpendicular with the length direction of first filter brick 1, then the extending direction of third cavity sets up with the extending direction of second cavity is perpendicular, is convenient for rivers dispersion with the water distribution.

The upper end of fourth trompil 6 and fifth trompil 7 is the arc structure, just the height of fourth trompil 6 apart from the horizontal plane (filtering pond bottom) equals with the height of fifth trompil 7 apart from the horizontal plane (filtering pond bottom). The bottom of the fourth opening 6 is arranged at the bottom of the filter tank, and the supporting legs 8 of the second filter bricks 2 are contacted with the bottom of the filter tank, the bottom of the fifth opening 7 keeps a distance from the bottom of the filter tank, if the height of the fourth opening 6 from the horizontal plane (the bottom of the filter tank) is not equal to the height of the fifth opening 7 from the horizontal plane (the bottom of the filter tank), water flow can be disordered, and water distribution uniformity can be influenced. The height range of the highest point of the arc-shaped structure at the upper part of the fourth opening 6 from the horizontal plane is set to be 100 and 150mm, and the supporting leg interval is preferably 107.5 mm.

The utility model provides an in one embodiment, the concrete arrangement mode of water distribution gas distribution structure as follows: the first filter bricks 1 and the second filter bricks 2 are spliced and evenly tiled to the bottom of the filter tank, the first filter bricks are laid along the short edge of the filter tank, two rows of the first filter bricks are connected side by side and placed at the center of the bottom of the biological filter tank, a plurality of second filter bricks are placed in order on two sides of the two rows of the first filter bricks and spliced into a whole, and the plane layout is as shown in figure 2.

The utility model provides a be applied to the two times water distribution's of the first filter brick of novel water distribution gas distribution structure of biological filter concrete implementation mode as follows: the outer wall of the filter tank is provided with a flange connector, inlet water directly flows into a second cavity of a first filter brick positioned in the middle position from the flange connector (namely enters from a second opening 4), transversely flows to third cavities at the bottoms of second filter bricks on two sides (namely enters from a first opening 3) under the action of hydraulic power to realize primary water distribution, longitudinally flows to the first cavity (in a right-angled triangular shape) through the first opening 3 at the inclined plate to realize secondary water distribution, and then flows out from a third opening 5 at the top of the first cavity to finish the secondary water distribution of the first filter brick.

The utility model provides a be applied to the secondary water distribution's of novel water distribution gas distribution structure's of biological filter concrete implementation mode as follows: after water flow realizes primary water distribution in a third cavity at the bottom of the second filter brick, the water flow flows out from a gap (the width of the seam is 7-8mm) between two adjacent second filter bricks, and then secondary water distribution of the second filter bricks is completed.

The water and gas distribution structure further comprises an aeration pipe 11 and a backwashing gas inlet pipe 12 which penetrate through the third cavity and the second cavity, wherein the aeration pipe 11 and the backwashing gas inlet pipe are distributed in a staggered mode, if the aeration pipe 11 is arranged in one third cavity, a backwashing gas inlet pipe is arranged in the other third cavity adjacent to the third cavity, the aeration pipe 11 is arranged in the other third cavity, and a backwashing gas inlet pipe is arranged in the third cavity, and is distributed in a staggered mode, as shown in fig. 1.

The utility model provides a be applied to novel water distribution gas distribution structure of biological filter can also realize even gas distribution, and its gas distribution form is as follows: the aeration pipe 11 and the backwashing air inlet pipe 12 are both arranged at the bottom of the second filter brick in a perforated pipe mode and are arranged in a third cavity at the bottom of two adjacent second filter bricks in a staggered mode. The gas realizes gas-water mixing and twice uniform water and gas distribution in the second cavity at the bottom of the first filter brick and the first cavities of the two right-angled triangles, and the twice uniform water and gas distribution is realized in the gap between the third cavity at the bottom of the second filter brick and the adjacent second filter brick.

The utility model provides a be applied to novel water distribution gas distribution structure of biological filter adopts the filter brick of two kinds of structures (first filter brick is T type filter brick, and the second filter brick is S type filter brick) concatenation to form, has combined the structural advantage of two kinds of filter bricks, can further improve the homogeneity of biological filter water distribution gas distribution.

The utility model provides a be applied to novel water distribution gas distribution structure of biological filter, adopt the water distribution mode of directly intaking in first filter brick bottom second cavity, first filter brick bottom second cavity has the efficiency of intaking and once even water distribution concurrently promptly, can save the bottom of former biological filter and distribute the canal structure, further reduced biological filter's whole height under the prerequisite that does not change filter bed height effectively, corresponding construction cost has been saved, the time limit for a project scene is shortened simultaneously and is distributed the canal construction and install the time limit for a project. Through the arrangement and the opening of the pipeline, gas and water naturally flow through the cavity and the gap, and the whole process has no human intervention.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The novel water and gas distribution structure applied to the biological filter is characterized by comprising at least one combined filter brick arranged in the biological filter, wherein each combined filter brick comprises at least two first filter bricks (1) and second filter brick combinations arranged on two side edges of the first filter bricks (1), each second filter brick combination comprises a plurality of second filter bricks (2) which are sequentially spliced, and the side surface of the first filter brick (1) in the length direction is abutted against the side surface of the second filter brick (2) in the width direction;

the first filter brick (1) is of a square structure, two first open holes (3) and a second open hole (4) arranged between the two first open holes (3) are formed in the two side surfaces of the first filter brick (1) in the width direction, a plurality of third open holes (5) are formed in the top surface of the first filter brick (1), and the first open holes (3) in the two side surfaces correspond to each other one by one and are respectively communicated with the third open holes (5) to form a first cavity of a hollow structure; a plurality of fourth holes (6) are formed in two side faces of the first filter brick (1) in the length direction, the second holes (4) and the fourth holes (6) are communicated with each other to form a second cavity of a hollow structure, and the extending direction of the first cavity is parallel to that of the second cavity;

all be provided with fifth trompil (7) on second filter brick (2) width direction's the both sides face, all be provided with a plurality of supporting legss (8) on second filter brick (2) length direction's the both sides face, form sixth trompil (9) between per two adjacent supporting legss (8), two fifth trompils (7) and sixth trompil (9) communicate each other and form hollow structure's third cavity, fifth trompil (7) and fourth trompil (6) one-to-one and communicate each other, third cavity and second cavity intercommunication, just the extending direction of third cavity sets up with the extending direction of second cavity is perpendicular.

2. The novel water and gas distribution structure applied to the biofilter according to claim 1, wherein sloping plates (10) are arranged on both side surfaces of the first filter brick (1) in the length direction, one end of each sloping plate (10) is connected with the top surface, the other end of each sloping plate is connected with one side surface of the first filter brick (1) in the length direction, and a first cavity is formed between two oppositely arranged first openings (3).

3. The novel water and gas distribution structure applied to the biological filter tank is characterized in that a space is kept between the two inclined plates (10) and the bottom surface of the biological filter tank, so that a second cavity is formed between the two inclined plates (10), the bottom surface and the second opening (4).

4. The novel water and gas distribution structure applied to a biofilter according to claim 1, characterized in that at least one extension portion (21) and a slot (22) matched with the extension portion (21) are arranged on the second filter brick (2), and the extension portion (21) of the second filter brick (2) is inserted into the slot (22) of the second filter brick (2) which is adjacently arranged to fixedly connect two adjacent second filter bricks (2).

5. The novel water and gas distribution structure applied to a biofilter according to claim 1, wherein the gap between two adjacent second filter bricks (2) is set to be in the range of 6-8 mm.

6. A novel water and gas distribution structure applied to a biofilter according to claim 1, wherein said first opening (3) is of a triangular structure and said second opening (4) is of a trapezoidal structure.

7. The novel water and gas distribution structure applied to the biofilter according to claim 1, wherein the upper ends of the fourth opening (6) and the fifth opening (7) are both arc-shaped, and the height of the fourth opening (6) from the horizontal plane is equal to the height of the fifth opening (7) from the horizontal plane.

8. The novel water and gas distribution structure applied to a biofilter according to claim 1, wherein said sixth opening (9) has a triangular structure.

9. The novel water and gas distribution structure applied to a biofilter according to claim 1, wherein the aperture ratio of the third apertures (5) provided in the top surface of the first filter brick (1) is set to be in the range of 0.6% to 1.4%.

10. The novel water and gas distribution structure applied to the biofilter according to claim 1, further comprising an aeration pipe (11) and a backwashing gas inlet pipe (12) penetrating through the third and second cavities, wherein the aeration pipe (11) and the backwashing gas inlet pipe (12) are distributed in a staggered manner.