CN208829362U - T-type filter block for denitrification deep-bed filter - Google Patents
T-type filter block for denitrification deep-bed filter Download PDFInfo
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- CN208829362U CN208829362U CN201820907592.9U CN201820907592U CN208829362U CN 208829362 U CN208829362 U CN 208829362U CN 201820907592 U CN201820907592 U CN 201820907592U CN 208829362 U CN208829362 U CN 208829362U
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Abstract
The utility model belongs to technical field of sewage.Filter block for denitrification deep-bed filter is typically only capable to carry out primary distribution to gas and water, be easy to cause water distribution gas distribution uneven.For the problems of the prior art, the utility model discloses a kind of T-type filter blocks for denitrification deep-bed filter, filter block includes shell and internal cavities, shell includes the filter block main body of cuboid, the top of filter block main body is equipped with water-gas distribution slot, the bottom longitudinal direction both ends of filter block main body are equipped with row's brick foot, are equipped with flow control gap between row's adjacent bricks foot, form gas-water mixing cavity between two rows of brick feet；Secondary air water distribution is equipped on filter block main body two sidewalls；Filter block main body is equipped with the transverse location structure for connecting with laterally adjacent filter block and the longitudinal register structure for connecting with longitudinally adjacent filter block；Filter block ontology longitudinal direction both ends are respectively equipped with the first salient point and the second salient point, and the first salient point and the second salient point horizontally mutually stagger.The utility model can improve the uniformity of filter block water distribution gas distribution.
Description
Technical field
The utility model relates to a kind of filter blocks, and in particular to a kind of T-type filter block for denitrification deep-bed filter belongs to dirt
Water-treatment technology field.
Background technique
Denitrification filter pool organically combines denitrification and deep-bed filtration function, is collection biological denitrificaion and filtering function
The processing unit being combined into one.Denitrification deep-bed filter is arranged after secondary clarifier effluent, can be with other processing unit perfection knots
It closes, synchronous removal nitrite nitrogen and nitrate nitrogen (NOx-N), total phosphorus (TP) and suspended solid particles (SS) can be with additional
Carbon source meets more stringent total nitrogen (TN) and removes requirement.
Denitrification deep-bed filter bottom is typically provided with aqueous vapor distribution layer, is equipped in aqueous vapor distribution layer for distributing backwash
The filter block of aqueous vapor, if the Chinese utility model patent of Publication No. CN202605890U discloses a kind of filter block, as shown in Figure 1,
Including filter block main body, it is equipped with inner cavity in filter block body interior, entire filter block main body is run through in inner cavity from left to right, in filter block main body
Top is equipped with fixed device, is respectively equipped with hacking foot if being equipped in the front and rear sides of filter block main body, V is equipped between brick foot and brick foot
The outer surface in type gap, brick foot is equipped with filter block limited block.Although the filter block can play the role of distribution backwash aqueous vapor, should
Filter block can only carry out primary distribution to gas and water, be easy to cause water distribution gas distribution uneven, to cause the short stream of filter tank backwash, backwash
It is not thorough, is operated normally to filter tank and bring puzzlement.
Utility model content
For the problems of the prior art, the utility model provides a kind of T-type filter block for denitrification deep-bed filter, with
The uniformity for improving filter block water distribution gas distribution, solves the problems, such as that existing filter block water distribution gas distribution is non-uniform.
To realize the above technical purpose, the technical solution of the utility model is:
A kind of T-type filter block for denitrification deep-bed filter, the denitrification deep-bed filter successively include filter from top to bottom
The bed of material, supporting layer and aqueous vapor distribution layer, it is 2~3mm quartz sand as filtrate and denitrification biology that the filter material layer, which uses partial size,
Biofilm medium, the supporting layer is made of cobble, the filter block is set in the aqueous vapor distribution layer, backwashes for distribute
Aqueous vapor；The filter block includes shell and internal cavities, full armored concrete is filled in internal cavities, shell includes rectangular-shape
The top of filter block main body, the filter block main body is equipped with water-gas distribution slot, and the bottom longitudinal direction both ends of the filter block main body are equipped with one
The brick foot extended transversely is arranged, flow control gap is equipped between adjacent bricks foot with arranging, forms gas-water mixing cavity between two rows of brick feet；Institute
The secondary air-water distribution tray for being equipped on filter block main body two sidewalls and being laterally arranged is stated, secondary air-water distribution tray is located at brick foot top；
The filter block main body is equipped with transverse location structure and longitudinal register structure, and the transverse location structure is used for and laterally adjacent filter
Brick connection, transverse location structure includes the lateral projection and transverse concave groove for being separately positioned on filter block main body transverse ends, laterally convex
It rises and transverse concave groove matches, for the longitudinal register structure for connecting with longitudinally adjacent filter block, longitudinal register structure includes point
The T-type card slot and T-type buckle at filter block main body longitudinal direction both ends are not set, and T-type card slot and T-type buckle match；The filter block sheet
Body longitudinal direction both ends are respectively equipped with several first salient points and the second salient point, and the first salient point and the second salient point are horizontally mutually wrong
It opens.The utility model below filter block by being arranged gas-water mixing cavity, secondary air-water distribution tray and top being arranged in filter block side wall
Water-gas distribution slot is set, gas distribution non-blind area in filter tank on the one hand can be made, on the other hand water distribution can match water cloth without dead angle
The intensity of effective compensation water distribution gas distribution during gas, to effectively improve the uniformity of gas-vapor mix.
Preferably, the gas-water mixing cavity is by the arc cavity on top and the trapezoidal cavity wide at the top and narrow at the bottom of lower part
Composition.Gas-water mixing cavity, which is arranged to arch door shape, can increase space and the gas-water contact area of mixing wastewater with air, and it is mixed to improve air water
The uniformity of conjunction.
Preferably, the height ratio of two brick feet of same row's outermost end is same in the brick foot arranges other brick foot height
It is short.
Preferably, two secondary air-water distribution trays on filter block main body two sidewalls are arranged in sustained height,
So that the secondary air-water distribution tray of adjacent filter block collectively constitutes the bigger secondary distribution slot of a volume.
Preferably, first salient point and the second salient point are horizontally uniformly staggered, to guarantee filter block and filter block
Between there is the uniform gap that passes through for air water, make the mixing of air water more evenly.
Preferably, the slot bottom of the locating groove and cell wall are equipped with round positioning groove, the positioning wedged block
Corresponding position be equipped with matched with positioning groove round and elastic protrusion.By be arranged the round positioning groove that matches and
The compactness connected between adjacent filter block longitudinal direction can be improved in round and elastic protrusion, prevents from misplacing between adjacent filter block, keep away
Filter block arches upward loosening problem when exempting from air water joint backwash.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing filter block；
Fig. 2 is the structural schematic diagram that the utility model is applied to denitrification deep-bed filter；
Fig. 3 is the structural schematic diagram of the utility model filter block；
Fig. 4 is the structural schematic diagram of the utility model filter block；
Fig. 5 is the structural schematic diagram of the utility model filter block；
Fig. 6 is the structural schematic diagram of the utility model filter block；
Appended drawing reference:
100. 130. aqueous vapor distribution layer of denitrification deep-bed filter 110. filter material layer, 120. supporting layer, 131. filter block 200.
221. flow control gap of filter block main body 210. water-gas distribution slot, 220. brick foot, 222. gas-water mixing cavity, 230. 2 air water distribution
240. lateral projection of slot, 250. transverse concave groove 260.T type card slot, 261. positioning groove 270.T type buckle, 271. elasticity is convex
Play 280. first salient point, 290. second salient point
Specific embodiment
In conjunction with Fig. 2 to Fig. 6, a specific embodiment of the utility model is described in detail, but not to the power of the utility model
Benefit requires to do any restriction.
As shown in Figures 2 to 6, a kind of T-type filter block for denitrification deep-bed filter, the denitrification deep-bed filter 100
From top to bottom successively include filter material layer 110, supporting layer 120 and aqueous vapor distribution layer 130, the filter material layer 110 use partial size for 2~
Biofilm medium of the 3mm quartz sand as filtrate and denitrification biology, the supporting layer 120 are made of cobble, and the filter block 131 is set
In the aqueous vapor distribution layer 130, for evenly distributing the aqueous vapor of backwash；
The filter block 131 includes shell and internal cavities, and full armored concrete is filled in internal cavities, and shell can use
HDPE material, shell include the filter block main body 200 of rectangular-shape, and the top of the filter block main body 200 is equipped with water-gas distribution slot
210, the bottom longitudinal direction both ends of the filter block main body 200 are equipped with the brick foot 220 that a row extends transversely, wherein outermost with arranging
The height ratio of two brick feet 220 at end is short with other 220 height of brick foot are arranged, and flow control gap is equipped between adjacent bricks foot 220 with arranging
221, form arch door shape gas-water mixing cavity 222 between two rows of brick feet 220, arch door shape gas-water mixing cavity 222 by top arc-shaped cavity
The trapezoidal cavity composition wide at the top and narrow at the bottom of body and lower part；Be equipped on 200 two sidewalls of filter block main body be laterally arranged it is secondary
Air-water distribution tray 230, secondary air-water distribution tray 230 are located at 220 top of brick foot, wherein two on 200 two sidewalls of filter block main body
Secondary air-water distribution tray 230 is arranged in sustained height, so that the secondary air-water distribution tray 230 of adjacent filter block collectively constitutes an appearance
The bigger secondary distribution slot of product；
The filter block main body 200 is equipped with transverse location structure and longitudinal register structure, and the transverse location structure is used for
It is connect with laterally adjacent filter block, transverse location structure includes the lateral projection 240 for being separately positioned on 200 transverse ends of filter block main body
With transverse concave groove 250, lateral projection 240 and transverse concave groove 250 are matched, and the longitudinal register structure is used for and longitudinally adjacent filter
Brick connection, longitudinal register structure include the T-type card slot 260 and T-type buckle 270 for being separately positioned on the longitudinal both ends of filter block main body 200,
T-type card slot 260 and T-type buckle 270 match；Wherein, it to improve the compactness connected between adjacent filter block longitudinal direction, prevents adjacent
It misplaces between filter block, avoids when air water joint backwash filter block from arching upward loosening problem, the slot bottom and cell wall of the locating groove
It is equipped with round positioning groove 261, it is convex that the corresponding position of the positioning wedged block is equipped with the round and elastic cooperated with positioning groove
Play 271；
Filter block ontology longitudinal direction both ends are respectively equipped with several first salient points 280 and the second salient point 290, the first salient point
280 and second salient point 290 horizontally mutually stagger, to guarantee to have the gap that passes through for air water between filter block and filter block；Its
In, to pass through air water uniformly, the first salient point 280 is identical with the distance that the second salient point 290 horizontally mutually staggers.
It wherein, is laterally filter block length direction described in above-described embodiment, the longitudinal direction is filter block width direction.
The T-type buckle 270 of first piece of filter block of the first row is caught in the T-type of second first piece of filter block of row when being laid with by filter block
In card slot 260, the round and elastic protrusion 271 of first piece of filter block of the first row is also caught in first piece of filter block of the second row due to elastic reaction
Positioning groove in, in addition, first salient point 280 of first piece of filter block of the first row is resisted against the side wall of second first piece of filter block of row
On, the second salient point 290 of the second first piece of row filter block is resisted against on the side wall of first piece of filter block of the first row, so repeats to make
Filter block neatly forms a line；The transverse direction that the lateral projection 240 of second piece of filter block of the first row is caught in first piece of filter block of the first row is recessed
In in slot, so repeat that filter block is made neatly to be in line.
Filter block lay after for carrying out equably water distribution gas distribution to denitrification deep-bed filter 100, wherein compressed air by
Air blower is delivered in arch door shape gas-water mixing cavity 222 by air supervisor and is crossed with ascending current formation, in mixing wastewater with air
It is quickly mixed in chamber 222, mixing wastewater with air liquid enters the water-gas distribution slot of secondary air-water distribution tray 230 and top by flow control gap
It is here divided evenly over after 210 in entire filter tank.
In conclusion the utility model has the advantage that
1. the utility model below filter block by being arranged gas-water mixing cavity, secondary air-water distribution tray being arranged in filter block side wall
Water-gas distribution slot is set with top, on the one hand can make gas distribution non-blind area in filter tank, water distribution, on the other hand can be with without dead angle
The intensity of water distribution gas distribution is effectively compensated during water distribution gas distribution, to effectively improve the uniformity of gas-vapor mix；
2. filter block may be implemented lateral and vertical by setting transverse location structure and longitudinal register structure in the utility model
Upward close, neat and Fast Installation；
3. the first salient point and the second salient point that the utility model is horizontally uniformly staggered by setting are so that filter block and filter
It is uniform to there is the gap passed through for aqueous vapor between brick, the uniformity of filter block water distribution gas distribution can be improved；
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (6)
1. a kind of T-type filter block for denitrification deep-bed filter, the denitrification deep-bed filter successively includes filtrate from top to bottom
Layer, supporting layer and aqueous vapor distribution layer, the filter material layer use partial size for 2~3mm quartz sand biological as filtrate and denitrification
Biofilm medium, the supporting layer are made of cobble, and the filter block is set in the aqueous vapor distribution layer, for distributing the water of backwash
Gas；It is characterized in that, the filter block includes shell and internal cavities, full armored concrete is filled in internal cavities, shell includes
The filter block main body of rectangular-shape, the top of the filter block main body are equipped with water-gas distribution slot, the bottom longitudinal two of the filter block main body
End is equipped with the brick foot that a row extends transversely, and is equipped with flow control gap between adjacent bricks foot with arranging, forms gas between two rows of brick feet
Water mixing chamber；The secondary air-water distribution tray being laterally arranged, secondary air-water distribution tray position are equipped on filter block main body two sidewalls
In brick foot top；The filter block main body is equipped with transverse location structure and longitudinal register structure, and the transverse location structure is used for
It is connect with laterally adjacent filter block, transverse location structure includes the lateral projection and transverse direction for being separately positioned on filter block main body transverse ends
Groove, lateral projection and transverse concave groove match, and the longitudinal register structure with longitudinally adjacent filter block for connecting, longitudinal register
Structure includes the T-type card slot and T-type buckle for being separately positioned on filter block main body longitudinal direction both ends, and T-type card slot and T-type buckle match；
Filter block ontology longitudinal direction both ends are respectively equipped with several first salient points and the second salient point, and the first salient point and the second salient point are in transverse direction
On mutually stagger.
2. a kind of T-type filter block for denitrification deep-bed filter as described in claim 1, which is characterized in that the air water is mixed
Chamber is closed to be made of the arc cavity on top and the trapezoidal cavity wide at the top and narrow at the bottom of lower part.
3. a kind of T-type filter block for denitrification deep-bed filter as described in claim 1, which is characterized in that in the brick foot
Height ratio with two brick feet of row's outermost end is short with other brick foot height are arranged.
4. a kind of T-type filter block for denitrification deep-bed filter as described in claim 1, which is characterized in that the filter block master
Two secondary air-water distribution trays on body two sidewalls are arranged in sustained height.
5. a kind of T-type filter block for denitrification deep-bed filter as described in claim 1, which is characterized in that described first is convex
Point and the second salient point are horizontally uniformly staggered.
6. a kind of T-type filter block for denitrification deep-bed filter as described in claim 1, which is characterized in that the T-type card slot
Slot bottom and cell wall be equipped with round positioning groove, the corresponding position of the T-type buckle is equipped with to be matched with positioning groove
Round and elastic protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907592.9U CN208829362U (en) | 2018-06-12 | 2018-06-12 | T-type filter block for denitrification deep-bed filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907592.9U CN208829362U (en) | 2018-06-12 | 2018-06-12 | T-type filter block for denitrification deep-bed filter |
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| Publication Number | Publication Date |
|---|---|
| CN208829362U true CN208829362U (en) | 2019-05-07 |
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ID=66305352
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820907592.9U Active CN208829362U (en) | 2018-06-12 | 2018-06-12 | T-type filter block for denitrification deep-bed filter |
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| Country | Link |
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| CN (1) | CN208829362U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124385A (en) * | 2019-06-17 | 2019-08-16 | 河南蔚蓝水处理技术有限公司 | A kind of filter tank |
| CN110563133A (en) * | 2019-09-09 | 2019-12-13 | 宜兴博渝环保设备有限公司 | TAF biological filter and T-shaped air-water distribution block filter brick water and air distribution system thereof |
| CN111170442A (en) * | 2020-02-28 | 2020-05-19 | 苏州市苏创环境科技发展有限公司 | Novel S-shaped filter brick and filter brick combination |
| CN111170459A (en) * | 2020-02-28 | 2020-05-19 | 苏州市苏创环境科技发展有限公司 | Biological filter with nitrification and denitrification functions |
-
2018
- 2018-06-12 CN CN201820907592.9U patent/CN208829362U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124385A (en) * | 2019-06-17 | 2019-08-16 | 河南蔚蓝水处理技术有限公司 | A kind of filter tank |
| CN110124385B (en) * | 2019-06-17 | 2023-10-13 | 河南蔚蓝水处理技术有限公司 | Filter tank |
| CN110563133A (en) * | 2019-09-09 | 2019-12-13 | 宜兴博渝环保设备有限公司 | TAF biological filter and T-shaped air-water distribution block filter brick water and air distribution system thereof |
| CN111170442A (en) * | 2020-02-28 | 2020-05-19 | 苏州市苏创环境科技发展有限公司 | Novel S-shaped filter brick and filter brick combination |
| CN111170459A (en) * | 2020-02-28 | 2020-05-19 | 苏州市苏创环境科技发展有限公司 | Biological filter with nitrification and denitrification functions |
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