CN206512078U - One kind is used for micro-polluted raw pre-treat biological filter tank - Google Patents

One kind is used for micro-polluted raw pre-treat biological filter tank Download PDF

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CN206512078U
CN206512078U CN201720200346.5U CN201720200346U CN206512078U CN 206512078 U CN206512078 U CN 206512078U CN 201720200346 U CN201720200346 U CN 201720200346U CN 206512078 U CN206512078 U CN 206512078U
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micro
bio
concave convex
convex rod
filter tank
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孔宇
沈巍
徐峰
陈曼
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Hohai University HHU
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Hohai University HHU
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Abstract

It is used for micro-polluted raw pre-treat biological filter tank the utility model discloses one kind, its drip irrigation device is to include pond body, provided with the grid being sequentially connected in pond body, depositing reservoir and bio-aeration pool, the concave convex rod composite filter bed of material is provided with bio-aeration pool, the bottom of the concave convex rod composite filter bed of material is provided with the gravel layer and boulder bed being distributed from top to bottom for the support concave convex rod composite filter bed of material, the concave convex rod composite filter bed of material is made up of natural attapulgite as primary raw material, the concave convex rod composite filtering material formed has excellent strainability, for with serious pollution water source, the COD in water source can effectively be removedMnContent and ammonia-nitrogen content, to ensure safe effluent quality.

Description

One kind is used for micro-polluted raw pre-treat biological filter tank
Technical field
The utility model is related to biofilter, more particularly to a kind of to be used for micro-polluted raw pre-treat biological filter tank.
Background technology
Micro-polluted water refers to drinking water source area by industrial or agricultural and Sewage Pollution, usually contain organic matter, ammonia nitrogen, Suspension, inorganic matter etc., COD in micro-polluted waterMnAverage value for 10mg/L or so, the average value of ammonia nitrogen is 3.3mg/L.Mesh Before, conventional drinking water treatment technique is setting pot, depositing reservoir and common filtering ponds composition.
At present, Authorization Notice No. is disclosed at a kind of biochemical sewage for CN204918323U Chinese patent in existing patent Reason system, including grid, pH regulating reservoirs, high-load settling tank and biological aerated filter, the processing system have good purification Effect, biological aerated filter can be back to again, and circular treatment reduces the discharge capacity of sludge.
But, in view of China's some areas surface water pollution situation, than more serious, drinking water source is mostly by NH3- N and have Machine thing pollutes, and above-mentioned processing system can not effectively remove NH3Higher ammonia is still kept in-N and organic matter, the water source after processing Nitrogen content.
Utility model content
The purpose of this utility model, which is to provide one kind, is used for micro-polluted raw pre-treat biological filter tank, and it can be dirty to ammonia nitrogen The serious water source of dye carries out purified treatment, so as to reduce ammonia-nitrogen content.
Above-mentioned technical purpose of the present utility model technical scheme is that:
One kind is used in micro-polluted raw pre-treat biological filter tank, including pond body, the pond body provided with the lattice being sequentially connected The concave convex rod composite filter bed of material, the concave convex rod composite filter are provided with grid, depositing reservoir and bio-aeration pool, the bio-aeration pool The bottom of the bed of material is provided with the gravel layer and boulder bed being distributed from top to bottom for the support concave convex rod composite filter bed of material.
By using above-mentioned technical proposal, natural attapulgite is a kind of layer of chain transition structure with the silicic acid of magnesium containing Shuifu County Clay based on salt, the concave convex rod composite filter bed of material is made up of natural attapulgite as primary raw material, the concave convex rod formed Composite filtering material has excellent strainability, for serious pollution water source, can effectively remove the COD in water sourceMnContent with And ammonia-nitrogen content, to ensure safe effluent quality;Gravel layer and cobble are set in the bottom of the concave convex rod composite filter bed of material simultaneously Layer, effective support effect is played to the concave convex rod composite filter bed of material, between existing between gravel layer and boulder bed inner stuffing Away from being favorably improved the gas permeability of the concave convex rod composite filter bed of material, further enhance the filtration to water source.
The utility model is further arranged to:One side of the pond body is provided with the water inlet pipe for being passed through micro-polluted raw, institute The raw water stated in water inlet pipe is flowed at grid.
By using above-mentioned technical proposal, micro-polluted raw is flowed into pond body via water inlet pipe, and pond is flowed into via water inlet pipe Internal water slug is on grid, and grid can intercept the impurity of larger particles in micropollutants raw water outside grid, to micro- Pollutant raw water carries out coarse filtration.
The utility model is further arranged to:The pond body is provided with along its length is used for what is be connected with grid Distributing channel, the bottom of the distributing channel is connected with the bottom of bio-aeration pool.
By using above-mentioned technical proposal, the micropollutants raw water flowed into grid is flowed into distributing channel, and distributing channel is helped It is sufficiently mixed in micropollutants raw water, and then micropollutants raw water is flowed in bio-aeration pool, and then stand, precipitate Deng being aerated in bio-aeration pool, the bacterium that preferably itches provides sufficient oxygen, biological oxidation mistake occurs for the bacterium that is conducive to itching Journey, is rapidly decomposed to the organic matter in raw water, so as to realize COD in reduction raw waterMnThe mesh of content and ammonia-nitrogen content 's.
The utility model is further arranged to:The top of the bio-aeration pool is provided with institute in spillway hole, the spillway hole The water of spilling flows on depositing reservoir, the depositing reservoir and is connected with the drainpipe for facilitating draining.
By using above-mentioned technical proposal, after micropollutants raw water is via the oxidation Decomposition of bio-aeration pool, bio-aeration The clear water of top flows out bio-aeration pool via spillway hole in pond, and flows into depositing reservoir, it is achieved thereby that the biological filter of the application The catharsis in pond, COD is cleaned into by micro-polluted rawMnContent and ammonia-nitrogen content relatively low drinking water.
The utility model is further arranged to:The bottom of the depositing reservoir, which is provided with, to be used to be connected with the bottom of bio-aeration pool Water, which is connected with, on logical backwash water inlet pipe, the backwash water inlet pipe rushes pump.
By using above-mentioned technical proposal, depositing reservoir is built with the safe drinking water after purified treatment, due at purification During reason, the filtrate impurity trapped in the concave convex rod composite filter bed of material in bio-aeration pool is too many, and pressure difference is too big, utilizes recoil Wash water inlet pipe and carry out backwash, remove microorganism and the impurity of aging, and then recover filter capacity.
The utility model is further arranged to:The bottom of the bio-aeration pool is anti-provided with what is supplied into bio-aeration pool Rinse air inlet pipe.
By using above-mentioned technical proposal, backwash air inlet pipe is filled with air into bio-aeration pool, and air has certain Pressure, effectively the concave convex rod composite filter bed of material can be backwashed, with good backwash, cleaning action.
The utility model is further arranged to:The particle diameter of natural attapulgite in the concave convex rod composite filter bed of material be 3 ~ 5mm。
By using above-mentioned technical proposal, limit the particle diameter of natural attapulgite in the concave convex rod composite filter bed of material 3 ~ 5mm, the particle diameter of natural attapulgite is smaller, and the micropollutants in raw water are carried out with effective absorption, removes organic in raw water Thing content, for serious pollution raw water, carries out effectively absorption, filtration.
The utility model is further arranged to:The average pore size of gravel is 8 ~ 16mm, the boulder bed in the gravel layer The average pore size of interior cobble is 16 ~ 32mm.
By using above-mentioned technical proposal, gravel layer is vertically arranged with boulder bed, and limits being averaged for gravel Aperture is that 8 ~ 16mm, the average pore size of cobble are to be respectively provided with 16 ~ 32mm, gravel layer between gravel, in boulder bed between cobble Pitch of holes, is favorably improved the filtration in bio-aeration pool.
In summary, the utility model has the advantages that:
1st, the concave convex rod composite filter bed of material has excellent absorption, filtration, for serious pollution micro-polluted raw, energy COD in enough effectively reduction raw watersMnContent and ammonia-nitrogen content, so as to reach safer drinking water;
2nd, there are gravel layer and boulder bed in the bottom support of the concave convex rod composite filter bed of material, and limit gravel layer, boulder bed With different size of aperture, be conducive to aiding in the concave convex rod composite filter bed of material to carry out good filtering, suction-operated;
3rd, the clear water in depositing reservoir is carried out instead by backwashing water inlet pipe, backwash air inlet pipe to the concave convex rod composite filter bed of material Rinse, help rapidly to be cleared up remaining in the impurity in filter material layer, so as to improve the comprehensive of the biofilter of the application Close performance.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the sectional view of bio-aeration pool in embodiment.
In figure:1st, pond body;11st, water inlet pipe;12nd, distributing channel;2nd, grid;3rd, depositing reservoir;31st, drainpipe;32nd, backwash into Water pipe;33rd, water rushes pump;34th, air inlet pipe is backwashed;4th, bio-aeration pool;41st, the concave convex rod composite filter bed of material;42nd, gravel layer;43、 Boulder bed;44th, spillway hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment:
One kind is used for micro-polluted raw pre-treat biological filter tank, as shown in figure 1, the pond body 1 including rectangular configuration, in pond body 1 side has water inlet pipe 11, and quantity is two, and two water inlet pipes 11 are distributed on the side of pond body 1;The spiral shell in pond body 1 Line is connected with several grids 2 of equidistantly distributed, and grid 2 is connected by pipeline with distributing channel 12, and distributing channel 12 is arranged on The middle part of pond body 1 and along its length on, the micropollutants raw water of outflow flows into biological exposure through piping out of distributing channel 12 In gas pond 4, the bottom of distributing channel 12 is connected with the bottom of bio-aeration pool 4, and micropollutants raw water flows into bio-aeration pool 4 It is interior.
As shown in figure 1, being filled with bio-aeration pool 4 in the concave convex rod composite filter bed of material 41, the concave convex rod composite filter bed of material 41 In concave convex rod composite filtering material be to be produced by Jiangsu Zhengben Purification Water-saving Technology Industry Co., Ltd., the grain of concave convex rod composite filtering material Footpath is 3mm, be using natural attapulgite as primary raw material, extract attapulgite in have fibrous nanoscale mineral into Point, add the materials such as activated carbon and be processed into by techniques such as compounding, granulation, roasting, activation;And in concave convex rod composite filtering material Gravel layer 42 and boulder bed 43 is distributed with the bottom of layer 41 from top to bottom, and gravel layer 42 is the ruckle for 10mm by average pore size Product is formed, and boulder bed 43 is to be accumulated to be formed for 20mm cobble by average pore size, and gravel layer 42 is multiple to concave convex rod with boulder bed 43 Close filter material layer 41 and play effective support effect, and help to aid in absorption, the filtration of the concave convex rod composite filter bed of material 41.
As shown in figure 1, the top of bio-aeration pool 4 offers spillway hole 44, the interior water overflowed of spillway hole 44 flows into clear In clear pond 3, and then flowed out by drainpipe 31;Meanwhile, the bottom of depositing reservoir 3 has to be connected with the bottom of bio-aeration pool 4 Backwash water inlet pipe 32, be connected with water and rush pump 33 on backwash water inlet pipe 32, water rushes pump 33 and provides larger hydraulic pressure, contributes to Backwash flushing of the water inlet pipe 32 to the concave convex rod composite filter bed of material 41;Moreover, the bottom of bio-aeration pool 4 has to bio-aeration The backwash air inlet pipe 34 of supply in pond 4, flushing of the auxiliary backwash water inlet pipe 32 to the concave convex rod composite filter bed of material 41, further Improve the flushing to filter material layer.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims (8)

  1. It is sequentially connected 1. one kind is used to be provided with micro-polluted raw pre-treat biological filter tank, including pond body (1), the pond body (1) Grid (2), depositing reservoir (3) and bio-aeration pool (4), it is characterised in that:Concave convex rod is provided with the bio-aeration pool (4) The composite filter bed of material (41), the bottom of the concave convex rod composite filter bed of material (41) is multiple for support concave convex rod provided with being distributed from top to bottom Close the gravel layer (42) and boulder bed (43) of filter material layer (41).
  2. 2. it is according to claim 1 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The pond body (1) raw water that a side is provided with the water inlet pipe (11) for being passed through micro-polluted raw, the water inlet pipe (11) flows to grid (2) Place.
  3. 3. it is according to claim 2 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The pond body (1) being provided with along its length is used for the distributing channel (12) that is connected with grid (2), the bottom of the distributing channel (12) with The bottom of bio-aeration pool (4) is connected.
  4. 4. it is according to claim 1 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The biology The top of aeration tank (4) is provided with the water overflowed in spillway hole (44), the spillway hole (44) and flows into depositing reservoir (3), described clear The drainpipe (31) for facilitating draining is connected with clear pond (3).
  5. 5. it is according to claim 1 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The clarification The bottom in pond (3), which is provided with, is used for the backwash water inlet pipe (32) that is connected with the bottom of bio-aeration pool (4), it is described backwash into Water is connected with water pipe (32) and rushes pump (33).
  6. 6. it is according to claim 5 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The biology The bottom of aeration tank (4) is provided with the backwash air inlet pipe (34) of the supply into bio-aeration pool (4).
  7. 7. it is according to claim 1 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The bumps The particle diameter of natural attapulgite in the rod composite filter bed of material (41) is 3 ~ 5mm.
  8. 8. it is according to claim 7 a kind of for micro-polluted raw pre-treat biological filter tank, it is characterised in that:The gravel The average pore size of layer (42) interior gravel is 8 ~ 16mm, and the average pore size of the interior cobble of the boulder bed (43) is 16 ~ 32mm.
CN201720200346.5U 2017-03-02 2017-03-02 One kind is used for micro-polluted raw pre-treat biological filter tank Active CN206512078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720200346.5U CN206512078U (en) 2017-03-02 2017-03-02 One kind is used for micro-polluted raw pre-treat biological filter tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720200346.5U CN206512078U (en) 2017-03-02 2017-03-02 One kind is used for micro-polluted raw pre-treat biological filter tank

Publications (1)

Publication Number Publication Date
CN206512078U true CN206512078U (en) 2017-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720200346.5U Active CN206512078U (en) 2017-03-02 2017-03-02 One kind is used for micro-polluted raw pre-treat biological filter tank

Country Status (1)

Country Link
CN (1) CN206512078U (en)

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