CN209702389U

CN209702389U - A kind of deep bed denitrification filter pool with except N structure

Info

Publication number: CN209702389U
Application number: CN201920404410.0U
Authority: CN
Inventors: 谷殿强; 王兴华; 张玉林
Original assignee: Shanghai Xiumei Environmental Technology Co Ltd
Current assignee: Shanghai Xiumei Environmental Technology Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-11-29
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a kind of with the deep bed denitrification filter pool for removing N structure, including denitrification filter pool main body and deep bed main body, the bottom of denitrification filter pool body lumen is fixed with water layer, with water layer, by several, water-gas distribution filter block is mutually arranged is laid with, the inside of several water-gas distribution filter blocks is fixedly connected to two symmetrical partitions, the inside of water-gas distribution filter block is divided into primary distribution chamber and two parallel secondary distribution chambers by two symmetrical partitions, compared with prior art, the utility model has the beneficial effects that several water-gas distribution filter blocks being equipped with, water-gas distribution filter block contains secondary distribution chamber and primary distribution chamber, the backwashing water of highly uniform steady non-blind area is provided for filter bed backwash, improve backwash efficiency, extend the denitrification filter pool main body cycle of operation, the carbon source storage silo being equipped with and the first water pump, Convenient for timing and carbon source accurately is added, avoids carbon source addition excessive or very few influence denitrification filter pool main body denitrification effect.

Description

A kind of deep bed denitrification filter pool with except N structure

Technical field

The utility model relates to a kind of denitrification filter pool, in particular to a kind of deep bed denitrification with except N structure is filtered Pond.

Background technique

Deep-bed filter is commonly used in the removal of suspended matter in water process, single layer homogeneous filtering material or multilayer filter material filter pool, filter bed Traditional rapid filter that compares is deeper, mostly downflow system Gravity filter.Filtrate is natural siliceous sand, and multilayer filtrate is anthracite, stone Sand and garnet etc..The partial size of every kind of filtrate is arranged by the small lower big sequence of L, hydraulic loading and nitrate volumetric loading It is designed correctly, deep-bed filter can also have the function of denitrification denitrogenation, synchronize oil removal and nitrate, the knot of deep-bed filter It is deeper local that structure allows in water suspended solid to be penetrated into filter bed, can be improved filter tank retaining power, and filtering includes filtering and anti- It rinses.

But there is also some shortcomingss for existing deep-bed filter, for example, not having preferable carbonated drink compartment system, lead Cause have dead angle when backwash, greatly reduce backwash efficiency, at the same existing deep-bed filter there is also carbon sources can not essence It really adds, nitrification denitrification reaction is caused to be affected, effluent nitrate-nitrogen is not up to standard, exists in terms of the selection of filtering material of deep-bed filter and owes It lacks.

Utility model content

The purpose of this utility model is to provide a kind of with the deep bed denitrification filter pool for removing N structure, to solve above-mentioned back What is proposed in scape technology does not have preferable carbonated drink compartment system, leads to have dead angle when backwash, greatly reduces backwash effect Rate, while there is also carbon sources accurately to add for existing deep-bed filter, causes nitrification denitrification reaction to be affected, is discharged Nitrate nitrogen is not up to standard, there are problems that shortcoming in terms of the selection of filtering material of deep-bed filter.

To achieve the above object, the utility model provides the following technical solutions: a kind of with the anti-nitre of deep bed for removing N structure Change filter tank, including denitrification filter pool main body and deep bed main body, the side of denitrification filter pool main body bottom end and deep bed main body are solid Fixed connection, the bottom of the denitrification filter pool body lumen are fixed with water layer, and the water layer of matching is by several water-gas distributions Filter block is mutually arranged to be laid with, and the inside of several water-gas distribution filter blocks is fixedly connected to two symmetrical partitions, The inside of water-gas distribution filter block is divided into primary distribution chamber and two parallel secondary distribution chambers, institute by two symmetrical partitions The two sides for stating primary distribution chamber are secondary distribution chamber, the top of several water-gas distribution filter blocks and two symmetrical partition tables Several water distribution qi-emitting holes are offered at face, the top with water layer is fixed with biological membranous layer, the biological membranous layer Top is fixed with round hard siliceous sand supporting layer, and the top of the round hard siliceous sand supporting layer is fixed with hard siliceous sand filtration The bed of material.

As a kind of optimal technical scheme of the utility model, offered at the top of the denitrification filter pool body side into The mouth of a river, is fixed with hollow influent weir at the top of the denitrification filter pool body lumen, and one end of the hollow influent weir with Water inlet communicates.

As a kind of optimal technical scheme of the utility model, the fixed peace of one of avris on the depth bed main body top Equipped with carbon source storage silo, the inside of the carbon source storage silo is fixedly installed with the first water pump, and the first water pump output end is fixed It is connected with first to feed intake pipeline, and described first feeds intake one end of pipeline and the top stationary phase of the denitrification filter pool main body other side It is logical.

As a kind of optimal technical scheme of the utility model, the middle height on the depth bed main body top is connected with Roots blower, the output end of the roots blower are fixedly connected with the second air pipeline, and one end of second air pipeline is solid Surely it is connected with third air pipeline, and the third air pipeline is fixedly connected with the side of deep bed main body.

As a kind of optimal technical scheme of the utility model, the another one avris on the depth bed main body top It is fixedly installed with backwash pump, the output end of the backwash pump is fixedly connected with the 4th flushing pipe, and the described 4th One end of flushing pipe passes through denitrification filter pool main body and communicates with one of water-gas distribution filter block, the 4th flushing pipe Manual control valve is installed on tube wall.

As a kind of optimal technical scheme of the utility model, the back side of the denitrification filter pool main body is fixedly installed with out Panel is closed, roots blower switch, backwashing water switch pump and the first pump switch are not installed, and described on the switch panel Roots blower, backwash pump and the first water pump are opened by roots blower switch, backwashing water switch pump and the first water pump respectively It closes and is electrically connected with external power supply.

Compared with prior art, the utility model has the beneficial effects that the utility model is a kind of with the depth for removing N structure Bed denitrification filter pool, by several water-gas distribution filter blocks being equipped with, and water-gas distribution filter block contains secondary distribution chamber and primary Distribution cavity, back-flushing enter filter block by level-one distribution cavity, because having more water gentle in the place farthest away from backwash import It is flowed out from tapping, causes a paring chamber air distribution and water distribution uneven, the uneven water flow of paring chamber outflow is matched secondary Water cavity generates reverse water flow, to form compensation so that integral pressure final along filter block length direction is uniform.It is anti-for filter bed It rinses and the backwashing water of highly uniform steady non-blind area is provided, improve backwash efficiency, extend denitrification filter pool main body operation week Phase, while the carbon source storage silo being equipped with and the first water pump convenient for timing and accurately add carbon source, avoid carbon source addition excessive Or very few influence denitrification filter pool main body denitrification effect is convenient for attached growth of microorganisms by the biological membranous layer being equipped with, raising removes Nitrogen effect.

Detailed description of the invention

Fig. 1 is the utility model positive structure schematic；

Fig. 2 is the utility model broken section structural schematic diagram；

Fig. 3 is the utility model water-gas distribution filter block structural schematic diagram.

In figure: 1, denitrification filter pool main body；2, water inlet；3, carbon source storage silo；4, deep bed main body；5, roots blower；6, Backwash pump；7, manual control valve；8, it first feeds intake pipeline；9, the second air pipeline；10, third air pipeline；11, Four flushing pipes；12, hollow influent weir；13, hard siliceous sand filter material layer；14, round hard siliceous sand supporting layer；15, biological membranous layer； 16, water-gas distribution filter block；17, water distribution qi-emitting hole；18, secondary distribution chamber；19, partition；20, primary distribution chamber.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that the embodiment of description is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of with the deep bed denitrification filter pool for removing N structure, including anti-nitre Change filter tank main body 1 and deep bed main body 4, the side of 1 bottom end of denitrification filter pool main body is fixedly connected with deep bed main body 4, denitrification filter The bottom of 1 inner cavity of tank main body is fixed with water layer, and with water layer, by several, water-gas distribution filter block 16 is mutually arranged is laid with, The inside of several water-gas distribution filter blocks 16 is fixedly connected to two symmetrical partitions 19, and two symmetrical partitions 19 are by air water The inside of distribution filter block 16 is divided into the secondary distribution chamber 18 parallel with two of primary distribution chamber 20, and the two sides of primary distribution chamber 20 are Several are offered at secondary distribution chamber 18, the top of several water-gas distribution filter blocks 16 and two 19 surfaces of symmetrical partition Water distribution qi-emitting hole 17, the top with water layer are fixed with biological membranous layer 15, and the top of biological membranous layer 15 is fixed with round hard silicon The top of matter sand supporting layer 14, round hard siliceous sand supporting layer 14 is fixed with hard siliceous sand filter material layer 13.

Preferably, water inlet 2, the top of 1 inner cavity of denitrification filter pool main body are offered at the top of 1 side of denitrification filter pool main body Portion is fixed with hollow influent weir 12, and one end of hollow influent weir 12 is communicated with water inlet 2, convenient for the flowing of water flow, improves Water level inside denitrification filter pool main body 1.

Preferably, one of avris on deep 4 top of bed main body is fixedly installed with carbon source storage silo 3, carbon source storage silo 3 Inside is fixedly installed with the first water pump, and the first water pump output end is fixedly connected with first and feeds intake pipeline 8, and first feeds intake pipeline 8 The top fixation of one end and 1 other side of denitrification filter pool main body communicate, convenient for the addition carbon source of timing, improve denitrification filter pool The denitrification effect of main body 1.

Preferably, the middle height on deep 4 top of bed main body is connected with roots blower 5, and the output end of roots blower 5 is fixed to be connected It is connected to the second air pipeline 9, one end of the second air pipeline 9 is fixedly connected with third air pipeline 10, and third air pipeline 10 are fixedly connected with the side of deep bed main body 4, are convenient for air recoil and wash.

Preferably, the another one avris on deep 4 top of bed main body is fixedly installed with backwash pump 6, backwash pump 6 Output end be fixedly connected with the 4th flushing pipe 11, and one end of the 4th flushing pipe 11 pass through denitrification filter pool main body 1 with One of water-gas distribution filter block 16 communicates, and is equipped with manual control valve 7 on the tube wall of the 4th flushing pipe 11, is convenient for Water flow backwash.

Preferably, the back side of denitrification filter pool main body 1 is fixedly installed with switch panel, is not equipped with Roots on switch panel Fan switch, backwashing water switch pump and the first pump switch, and roots blower 5, backwash pump 6 and the first water pump lead to respectively It crosses roots blower switch, backwashing water switch pump and the first pump switch and external power supply is electrically connected, grasped convenient for staff It controls.

When specifically used, the utility model is a kind of with the deep bed denitrification filter pool for removing N structure, and staff first will Power on, so that switch panel is in automatically controlled state, the sewage containing nitrogen is pumped into denitrification filter pool master by water inlet 2 Hollow influent weir 12 inside body 1 feeds intake pipeline 8 and hollow influent weir 12 is communicated due to first convenient for the flowing of water flow, Start the first pump switch, carbon source is added to from carbon source storage silo 3 by hollow influent weir 12 by first pipeline 8 that feeds intake, so that Carbon source hard siliceous sand filter material layer 13 and round hard siliceous sand supporting layer 14 as sewage is flowed into, due to carbon source dosing system, are adopted With feedforward+rear feed form control, carbon source is accurately added, does water outlet guarantee water quality, filter tank can be realized based on the nitre state that need to be removed The load of nitrogen controls the dosage of carbon source, i.e. the system flow of inlet water that obtains filter tank automatically, in conjunction with the water-in and water-out nitre in filter tank Hydrochlorate concentration, dissolved oxygen DO concentration are fixed in conjunction with feedback mechanism after nitrate nitrogen water outlet by the calculating of PLC control cabinet embedded software The amendment carbon source of phase small scale adds value, avoids carbon source from adding excessive and insufficient, the nitrogen in sewage is in microorganism and biological membranous layer In 15 dual environment, constantly it is digested and is converted into nitrogen, efficiency is denitrogenated in raising, when being backwashed, roots blower Switch and backwashing water switch pump, so that roots blower 5 and backwash pump 6 are started to work, air draught passes through the second air Pipeline 9 and third air pipeline 10 enter the bottom of denitrification filter pool main body 1, meanwhile, water flow passes through the 4th flushing pipe 11 One of water-gas distribution filter block 16 is reached, while carrying out the backwash of air and water, so that gas and backwash water obtain uniformly The distribution of non-blind area improves flushing effect, after backwash, water flow is pumped by water inlet 2, so that denitrification filter pool main body 1 resumes operation.

In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art In concrete meaning.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of deep bed denitrification filter pool with except N structure, including denitrification filter pool main body (1) and deep bed main body (4), It is characterized in that, the side of denitrification filter pool main body (1) bottom end is fixedly connected with deep bed main body (4), the denitrification filter pool The bottom of main body (1) inner cavity is fixed with water layer, and the water layer of matching is by several water-gas distribution filter block (16) mutually arranged pavings If forming, the inside of several water-gas distribution filter blocks (16) is fixedly connected to two symmetrical partitions (19), and two right The inside of water-gas distribution filter block (16) is divided into secondary point parallel with two of primary distribution chamber (20) by the partition (19) claimed With chamber (18), the two sides of the primary distribution chamber (20) are secondary distribution chamber (18), several described water-gas distribution filter blocks (16) Top and two symmetrical partition (19) surfaces at offer several water distribution qi-emitting holes (17), the top with water layer It is fixed with biological membranous layer (15), the top of the biological membranous layer (15) is fixed with round hard siliceous sand supporting layer (14), institute The top for stating round hard siliceous sand supporting layer (14) is fixed with hard siliceous sand filter material layer (13).

2. according to claim 1 a kind of with the deep bed denitrification filter pool for removing N structure, it is characterised in that: the anti-nitre Change and offered water inlet (2) at the top of filter tank main body (1) side, the top fixation of denitrification filter pool main body (1) inner cavity is set Have hollow influent weir (12), and one end of the hollow influent weir (12) is communicated with water inlet (2).

3. according to claim 1 a kind of with the deep bed denitrification filter pool for removing N structure, it is characterised in that: the depth bed One of avris on main body (4) top is fixedly installed with carbon source storage silo (3), and the inside of the carbon source storage silo (3) is fixed First water pump is installed, the first water pump output end is fixedly connected with first and feeds intake pipeline (8), and described first feeds intake pipeline (8) one end is communicated with the fixation of the top of denitrification filter pool main body (1) other side.

4. according to claim 1 a kind of with the deep bed denitrification filter pool for removing N structure, it is characterised in that: the depth bed The middle height on main body (4) top is connected with roots blower (5), and the output end of the roots blower (5) is fixedly connected with second One end of air pipeline (9), second air pipeline (9) is fixedly connected with third air pipeline (10), and the third is empty Feed channel (10) is fixedly connected with the side of deep bed main body (4).

5. according to claim 1 a kind of with the deep bed denitrification filter pool for removing N structure, it is characterised in that: the depth bed The another one avris on main body (4) top is fixedly installed with backwash pump (6), the output end of the backwash pump (6) It is fixedly connected with the 4th flushing pipe (11), and one end of the 4th flushing pipe (11) passes through denitrification filter pool main body (1) It is communicated with one of water-gas distribution filter block (16), manual control valve is installed on the tube wall of the 4th flushing pipe (11) (7)。

6. according to claim 1 a kind of with the deep bed denitrification filter pool for removing N structure, it is characterised in that: the anti-nitre The back side for changing filter tank main body (1) is fixedly installed with switch panel, is not equipped with roots blower switch, recoil on the switch panel Wash water switch pump and the first pump switch, and the roots blower (5), backwash pump (6) and the first water pump pass through sieve respectively Thatch fan switch, backwashing water switch pump and the first pump switch and external power supply are electrically connected.