CN205999230U - A kind of advanced nitrogen dephosphorization double layer filter system - Google Patents
A kind of advanced nitrogen dephosphorization double layer filter system Download PDFInfo
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- CN205999230U CN205999230U CN201620850817.2U CN201620850817U CN205999230U CN 205999230 U CN205999230 U CN 205999230U CN 201620850817 U CN201620850817 U CN 201620850817U CN 205999230 U CN205999230 U CN 205999230U
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Abstract
The utility model discloses a kind of advanced nitrogen dephosphorization double layer filter system, including mixing arrangement, double layer filter and back washing device, mixing arrangement is connected with double layer filter, double layer filter is connected with clear water reserviors, double layer filter is also connected with wastewater disposal basin, is provided with back washing device between double layer filter and clear water reserviors, is additionally provided with water-level control apparatus between double layer filter and clear water reserviors, mixing arrangement is connected with second pond by water-supply-pipe, and the side of mixing arrangement is provided with medicinal-solution administration device.Compared with prior art, this utility model passes through to arrange double layer filter, carries out advanced nitrogen dephosphorization to sewage, makes sewage purification to surface water IV class standard (total nitrogen≤10mg/L), avoid the pollution to river, thus improving the environment of sewage discharge ground periphery.
Description
Technical field
This utility model is related to a kind of advanced nitrogen dephosphorization double layer filter system, belongs to sewage purification field.
Background technology
" energy-conservation, reduction of discharging, low-carbon (LC), environmental protection " is society and the important idea of economic science development.Sewage disposal extensively should
For building, agricultural, the every field such as traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink.Because environmental conservation will
The continuous improvement asked, the effluent quality of urban wastewater treatment firm requires and standard also more and more higher.But, the most dirt of China
Water treatment plant executes one-level A standard, still has the nutrient substance such as substantial amounts of nitrogen, phosphorus to enter river, the serious periphery that have impact on
Environment.Therefore, design one kind can be used in urban wastewater treatment firm carry mark transformation, carry out at the sewage deep of advanced nitrogen dephosphorization
Science and engineering skill becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is, provides a kind of advanced nitrogen dephosphorization double layer filter system, this system can be by city
The water outlet further advanced nitrogen dephosphorization of city's secondary sedimentation tank of sewage treatment work, make sewage purification to surface water IV class standard (total nitrogen≤
10mg/L), it is to avoid the pollution to river, thus improving the environment of periphery.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that：A kind of advanced nitrogen dephosphorization is double-deck
Filter tank system, including mixing arrangement double layer filter and back washing device, mixing arrangement is connected with double layer filter, double layer filter and clear water
Pond connects, and double layer filter also connect with wastewater disposal basin, is provided with back washing device between double layer filter and clear water reserviors, double layer filter with clearly
It is additionally provided with water-level control apparatus, mixing arrangement is connected with second pond by water-supply-pipe, the side setting of mixing arrangement between pond
There is medicinal-solution administration device.Sewage in second pond is delivered in mixing arrangement by water-supply-pipe, simultaneously medicinal-solution administration device to
Put into chemical dephosphorization medicament and denitrifying carbon source in mixing arrangement, in mixing arrangement, be provided with mechanical stirring device, the chemistry of input
Dephosphorization reagent and denitrifying carbon source are sufficiently mixed through mechanical stirring device with sewage, sewage after mixing, enter double layer filter
Carry out tiny flocculation chemical dephosphorization and the process of denitrification decarburization, sewage after treatment enters clear water reserviors, treats through double layer filter mistake
When the loss of flood peak after filter reaches 2m～2.5m, by back washing device, double layer filter is rinsed, makes waste water enter wastewater disposal basin.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described double layer filter include into water layer, filter material layer and
Supporting layer, supporting layer is arranged at the lower section of filter material layer, and filter material layer is arranged at the lower section into water layer.Supporting layer is by main gravel structure
Become, thickness is 500mm.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described filter material layer includes anthracite coal measure and layer of sand, no
Bituminous coal layer is arranged at the top of layer of sand.The effective grain size of anthracite coal measure is 3～4mm, and nonuniformity coefficient is less than 1.5, and thickness is not little
In 0.6m；The effective grain size of layer of sand is 2～3mm, and nonuniformity coefficient is less than 1.3, and the thickness of layer of sand is not less than 1.2m, to ensure
The drainage effect of anthracite coal measure and layer of sand.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described filter material layer includes anthracite coal measure and layer of sand, institute
State the lower section that anthracite coal measure is arranged at layer of sand.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described enter water layer be located at inhalant region in, in inhalant region
It is provided with intake chamber and rhone, rhone is connected with wastewater disposal basin by drain pipe.Intake chamber adopts submerged to intake.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described back washing device includes backwash water pump and backwash wind
Machine, backwash water pump is connected with clear water reserviors by pipeline, connects with double layer filter also by pipeline.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described water-level control apparatus include outlet water control valve and
Liquidometer, the water level in outlet water control valve and liquidometer coordinated signals double layer filter, is filtered in double layer filter with realizing sewage
Shi Shuiwei keeps constant, thus ensureing filter effect.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, the bottom of described double layer filter is provided with recoil trachea
With recoil water pipe, water-level control apparatus be arranged at recoil water pipe on.Recoil trachea and recoil water pipe all with big resistance supply system
Connect, by recoiling, trachea and recoil water pipe are passed through impact air-flow and impact current into double layer filter, to reach cleaning bilayer
The purpose in filter tank.
In a kind of aforesaid advanced nitrogen dephosphorization double layer filter system, described water-supply-pipe is provided with flap valve device and control
Valve processed.
Compared with prior art, this utility model passes through to arrange double layer filter, carries out advanced nitrogen dephosphorization to sewage, makes dirt
Water warfare is to surface water IV class standard (total nitrogen≤10mg/L), it is to avoid the pollution to river, thus improve sewage discharge ground week
The environment on side.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model double layer filter.
Reference：1- mixing arrangement, 2- double layer filter, 3- back washing device, 4- clear water reserviors, 5- wastewater disposal basin, 6- medicament is thrown
Put device, 7- enters water layer, 8- filter material layer, 9- supporting layer, 10- anthracite coal measure, 11- layer of sand, 12- intake chamber, 13- rhone, 14-
Drain pipe, 15- water-supply-pipe, 16- backwash water pump, 17- backwash blower fan, 18- recoil trachea, 19- recoil water pipe, 20- second pond.
With reference to the accompanying drawings and detailed description this utility model is further described.
Specific embodiment
Embodiment 1 of the present utility model：A kind of advanced nitrogen dephosphorization double layer filter system, including mixing arrangement 1, double-deck filter
Pond 2 and back washing device 3, mixing arrangement 1 is connected with double layer filter 2, and double layer filter 2 is connected with clear water reserviors 4, double layer filter 2 also with
Wastewater disposal basin 5 connects, and is provided with back washing device 3, also sets between double layer filter 2 and clear water reserviors 4 between double layer filter 2 and clear water reserviors 4
There are water-level control apparatus 16, mixing arrangement 1 is connected with second pond 20 by water-supply-pipe 15, and the side of mixing arrangement 1 is provided with medicine
Agent delivery device 6.Sewage in second pond 20 is delivered in mixing arrangement 1 by water-supply-pipe 15, medicinal-solution administration device 6 simultaneously
Put into chemical dephosphorization medicament and denitrifying carbon source into mixing arrangement 1, in mixing arrangement 1, be provided with mechanical stirring device, input
Chemical dephosphorization medicament and denitrifying carbon source are sufficiently mixed through mechanical stirring device with sewage, sewage after mixing, enter double-deck
Filter tank 2 carries out the process of tiny flocculation chemical dephosphorization and denitrification decarburization, and sewage after treatment enters clear water reserviors 4, treats through bilayer
When the loss of flood peak after the filtration of filter tank 2 reaches 2m～2.5m, by back washing device 3, double layer filter 2 is rinsed, so that waste water is arranged
Enter wastewater disposal basin 5.
Double layer filter 2 includes into water layer 7, filter material layer 8 and supporting layer 9, and supporting layer 9 is arranged at the lower section of filter material layer 8, filtrate
Layer 8 is arranged at the lower section into water layer 7.Supporting layer 9 is made up of main gravel, and thickness is 500mm.
Filter material layer 8 includes anthracite coal measure 10 and layer of sand 11, and anthracite coal measure 10 is arranged at the lower section of layer of sand 11.
Enter water layer 7 to be located in inhalant region, in inhalant region, be provided with intake chamber 12 and rhone 13, rhone 13 passes through draining
Pipe 14 is connected with wastewater disposal basin 5.
Embodiment 2 of the present utility model：A kind of advanced nitrogen dephosphorization double layer filter system, including mixing arrangement 1, double-deck filter
Pond 2 and back washing device 3, mixing arrangement 1 is connected with double layer filter 2, and double layer filter 2 is connected with clear water reserviors 4, double layer filter 2 also with
Wastewater disposal basin 5 connects, and is provided with back washing device 3, also sets between double layer filter 2 and clear water reserviors 4 between double layer filter 2 and clear water reserviors 4
There are water-level control apparatus 16, mixing arrangement 1 is connected with second pond 20 by water-supply-pipe 15.Water-supply-pipe 15 be provided with flap valve device and
Control valve, the side of mixing arrangement 1 is provided with medicinal-solution administration device 6.Double layer filter 2 is included into water layer 7, filter material layer 8 and support
Layer 9, supporting layer 9 is arranged at the lower section of filter material layer 8, and filter material layer 8 is arranged at the lower section into water layer 7.Filter material layer 8 includes anthracite coal measure
10 and layer of sand 11, anthracite coal measure 10 is arranged at the top of layer of sand 11.The effective grain size of bituminous coal layer is 3～4mm, and nonuniformity coefficient is little
In 1.5, thickness is not less than 0.6m；The effective grain size of layer of sand 11 is 2～3mm, and nonuniformity coefficient is less than 1.3, and the thickness of layer of sand 11
Degree is not less than 1.2m, to ensure the drainage effect of anthracite coal measure 10 and layer of sand 11.Enter water layer 7 to be located in inhalant region, in inhalant region
It is provided with intake chamber 12 and rhone 13, rhone 13 is connected with wastewater disposal basin 5 by drain pipe 14.Back washing device 3 includes backwash
Water pump 16 and backwash blower fan 17, water pump 16 is connected with clear water reserviors 4 by pipeline, connects with double layer filter 2 also by pipeline.Water level
Control device 16 includes outlet water control valve and liquidometer.The bottom of double layer filter 2 is provided with recoil trachea 18 and recoil water pipe 19,
Water-level control apparatus 16 are arranged on recoil water pipe 19.Recoil trachea 18 and recoil water pipe 19 are all with big resistance supply system even
Connect, by recoiling, trachea 18 and recoil water pipe 19 are passed through impact air-flow and impact current into double layer filter 2, to clean double-deck filter
Pond 2.
Operation principle of the present utility model：
Sewage in second pond 20 is delivered in mixing arrangement 1 by water-supply-pipe 15, and medicinal-solution administration device 6 is to mixing simultaneously
Chemical dephosphorization medicament and supplementary carbon source is added, the chemical dephosphorization medicament adding and the carbon source supplemented are being mixed with sewage in device 1
It is sufficiently mixed through mechanical stirring device in device 1, mixed sewage, advanced nitrogen dephosphorization is flowed into by submerged intake chamber 12
In double layer filter 2, between anthracite coal measure 10 and layer of sand 11 space after micro flocculating filter and denitrification decarburization, enter clear water reserviors
4；
When the loss of flood peak after double layer filter 2 filters reaches 2m～2.5m, by back washing device 3, double layer filter 2 is entered
Row rinses, and the waste water that flushing double layer filter 2 is produced enters in wastewater disposal basin 5 through rhone 13 by drain pipe 14, Ran Houtong
Cross the aerobic zone that the backwash draining pump in wastewater disposal basin 5 is delivered to biochemistry pool.
Claims (9)
1. a kind of advanced nitrogen dephosphorization double layer filter system is it is characterised in that include mixing arrangement (1), double layer filter (2) and instead
Cleaning device (3), described mixing arrangement (1) is connected with double layer filter (2), and double layer filter (2) is connected with clear water reserviors (4), double-deck filter
Pond (2) is also connected with wastewater disposal basin (5), is provided with back washing device (3), double layer filter between double layer filter (2) and clear water reserviors (4)
(2) it is additionally provided with water-level control apparatus and clear water reserviors (4) between, described mixing arrangement (1) passes through water-supply-pipe (15) and second pond
(20) connect, the side of mixing arrangement (1) is provided with medicinal-solution administration device (6).
2. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 1 is it is characterised in that described double layer filter
(2) include into water layer (7), filter material layer (8) and supporting layer (9), supporting layer (9) is arranged at the lower section of filter material layer (8), filter material layer
(8) it is arranged at the lower section into water layer (7).
3. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 2 is it is characterised in that described filter material layer
(8) anthracite coal measure (10) and layer of sand (11) are included, described anthracite coal measure (10) is arranged at the top of layer of sand (11).
4. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 2 is it is characterised in that described filter material layer
(8) anthracite coal measure (10) and layer of sand (11) are included, described anthracite coal measure (10) is arranged at the lower section of layer of sand (11).
5. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 2 it is characterised in that described enter water layer
(7) it is located in inhalant region, in inhalant region, is provided with intake chamber (12) and rhone (13), described rhone (13) passes through drain pipe
(14) connect with wastewater disposal basin (5).
6. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 1 and 2 is it is characterised in that described backwash
Device (3) includes backwash water pump (16) and backwash blower fan (17), and backwash water pump (16) is connected with clear water reserviors (4) by pipeline, also
Connected with double layer filter (2) by pipeline.
7. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 1 and 2 is it is characterised in that described water level
Control device (16) includes outlet water control valve and liquidometer.
8. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 1 and 2 is it is characterised in that described bilayer
The bottom in filter tank (2) is provided with recoil trachea (18) and recoil water pipe (19), and described water-level control apparatus (16) are arranged at recoil
On water pipe (19).
9. a kind of advanced nitrogen dephosphorization double layer filter system according to claim 1 and 2 is it is characterised in that described water delivery
Pipe (15) is provided with flap valve device and control valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850817.2U CN205999230U (en) | 2016-08-08 | 2016-08-08 | A kind of advanced nitrogen dephosphorization double layer filter system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850817.2U CN205999230U (en) | 2016-08-08 | 2016-08-08 | A kind of advanced nitrogen dephosphorization double layer filter system |
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| CN205999230U true CN205999230U (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082556A (en) * | 2016-08-08 | 2016-11-09 | 华电水务工程有限公司 | A kind of advanced nitrogen dephosphorization double layer filter system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082556A (en) * | 2016-08-08 | 2016-11-09 | 华电水务工程有限公司 | A kind of advanced nitrogen dephosphorization double layer filter system |
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