CN206666221U - deep bed denitrification filter pool - Google Patents
deep bed denitrification filter pool Download PDFInfo
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- CN206666221U CN206666221U CN201720287520.4U CN201720287520U CN206666221U CN 206666221 U CN206666221 U CN 206666221U CN 201720287520 U CN201720287520 U CN 201720287520U CN 206666221 U CN206666221 U CN 206666221U
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- filter
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- filter tank
- backwash
- water distribution
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Abstract
It the utility model is related to a kind of deep bed denitrification filter pool.Its purpose is to provide a kind of denitrification filter pool simple in construction, purifying water effect is good, filter efficiency is high.The utility model includes filter tank, total irrigation channel and filter tank canal for water distribution, and water intaking valve is provided between total irrigation channel and filter tank canal for water distribution.Filter tank canal for water distribution bottom is provided with backwash drainpipe.The water side that sparge pipe of into water sparge pipe, intaking is provided with the inwall of filter tank is extend into inside filter tank, and the bottom inside filter tank is provided with filter block layer, and filter block layer top is covered with filter material layer.Filter tank is internally provided with backwash tracheae, and the one end for backwashing tracheae is extend between filter block layer and filter material layer, and the other end for backwashing tracheae is connected with backwash blower fan.Filter tank bottom is provided with water distribution gallery, and water distribution gallery top connects with filter block layer bottom, and the water intake end of water distribution gallery and the delivery port of backwash pump connect, water side and the filter tank ft connection of water distribution gallery.
Description
Technical field
Sewage treatment area is the utility model is related to, more particularly to a kind of deep bed denitrification filter pool.
Background technology
It is organic in industrial wastewater and sanitary wastewater with industrial fast development and people's living standards continue to improve
Thing and nutriment greatly improve, and with being continuously increased for organic matter and nutriment total emission volumn, increasingly cause people to water
The concern of matter, the organic matter and nutriment that many sewage treatment plants are faced with discharge the problem of exceeding limitation standard.How to drop
Organic matter and nutriment in low sewage, especially reduce sewage in total nitrogen discharge capacity, while carry out denitrification denitrogenation and
The removal of solids, it has also become matter of utmost importance at this stage.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of it is simple in construction, purifying water effect is good, filter efficiency is high
Deep bed denitrification filter pool.
The utility model depth bed denitrification filter pool, wherein, including filter tank, total irrigation channel and filter tank canal for water distribution, filter tank
Quartz sand layer is provided with inwall, one end of total irrigation channel is connected with one end of filter tank canal for water distribution, total irrigation channel and filter
Water intaking valve is installed, filter tank canal for water distribution bottom is provided with backwash drainpipe, backwashes on drainpipe between the canal for water distribution of pond
Backwashing water drain valve is installed, one end and the filter tank distributing channel of sparge pipe of into water sparge pipe, intaking are provided with the inwall of filter tank
Connected inside road, the other end for sparge pipe of intaking is extend into inside filter tank, and the bottom inside filter tank is provided with filter block layer, filter block layer
Top is covered with filter material layer, and filter tank is internally provided with backwash tracheae, and the one end for backwashing tracheae extend into filter block layer and filter material layer
Between, the other end for backwashing tracheae is connected with the air outlet of the backwash blower fan outside filter tank, is backwashed and is pacified on tracheae
Equipped with backwash intake valve, filter tank bottom is provided with water distribution gallery, and water distribution gallery top connects with filter block layer bottom, water distribution gallery
Water intake end by backwash water pipe and backwash pump delivery port connect, backwash water pipe on be provided with backwashing water water inlet
Valve, the water side of water distribution gallery are provided with outlet valve by outlet pipe and filter tank ft connection on outlet pipe.
The utility model depth bed denitrification filter pool, wherein the filter tank is rectangular configuration, filter material layer thickness is 1.85m, filter
The quartz sand particle size that the bed of material uses is 2~3mm.
The utility model depth bed denitrification filter pool, wherein the quantity of the water inlet sparge pipe is multiple, sparge pipe of respectively intaking
Uniformly installed on the inwall in filter tank, each one end for intaking sparge pipe all connects with total irrigation channel, each the another of sparge pipe of intaking
One end is all extend into inside filter tank.
The utility model depth bed denitrification filter pool, wherein the filter block layer is laid using mounting structures.
The utility model depth bed denitrification filter pool, wherein the filter material layer top is away from the distance between water inlet sparge pipe bottom
For 500mm.
The utility model depth bed denitrification filter pool, wherein the filter block layer bottom is uniformly laid with more air branch pipes, respectively
Passage is offered in air branch pipe respectively, one end of each air branch pipe connects with one end of corresponding air header, each air
House steward is uniformly laid on the inwall of filter tank bottom, and the other end of each air header is reached outside filter tank.
The utility model depth bed denitrification filter pool, wherein being capped at the water distribution gallery top end opening has cover plate, on cover plate
Hole is offered, water distribution gallery is connected by hole with filter block layer bottom.
The utility model depth bed denitrification filter pool difference from prior art is：The utility model filter tank is using quartz
Film medium of the sand as denitrifying microorganism, filter tank can ensure that water outlet SS is less than 5mg/L, and wastewater purifying efficiency is good.Using sand
Layer is used as solid filtrate, and the high characteristic of its load substantially prolongs filter cycle, reduce backwash number.Filter tank uses air water
Combine and backwashed, repercussion effect is good, and back-flushing can be recycled, and be economized on resources.In denitrification process, due to nitre
Hydrochlorate nitrogen is constantly reduced to nitrogen, and substantial amounts of nitrogen can be assembled in filter tank, and nitrogen can make sewage between medium is altered, and so increases
Strong contact of the microorganism with water, further increases purification efficiency.
The utility model depth bed denitrification filter pool is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model depth bed denitrification filter pool.
Embodiment
As shown in figure 1, be the structural representation of the utility model depth bed denitrification filter pool, including filter tank 16, total inlet channel
Road 17 and filter tank canal for water distribution 18, filter tank 16 are rectangular configuration, film medium of the quartz sand layer as denitrification biology.Total inlet channel
The one end in road 17 is connected with one end of filter tank canal for water distribution 18, be provided between total irrigation channel 17 and filter tank canal for water distribution 18 into
Water valve 1, the inflow of sewage in filter tank canal for water distribution 18 is controlled by water intaking valve 1, the bottom of filter tank canal for water distribution 18 is provided with instead
Flush discharge pipe 15, one end of backwash drainpipe 15 connect with the inside of filter tank canal for water distribution 18, backwash drainpipe 15
The other end is provided with backwashing water drain valve 2 to overhanging on backwash drainpipe 15.The upper position edge of the inwall of filter tank 16
Circumferential direction is evenly arranged with multiple water inlet sparge pipes 14, passes through each water inlet water distribution between filter tank canal for water distribution 18 and filter tank 16 respectively
Pipe 14 connects, and each one end for intaking sparge pipe 14 all connects with total irrigation channel 17, and each other end for intaking sparge pipe 14 is all stretched
Enter to inside filter tank 16.Bottom inside filter tank 16 is provided with filter block layer 11, and filter block layer 11 is laid using mounting structures, is filtered
The top of brick layer 11 is covered with filter material layer 12, and the thickness of filter material layer 12 is 1.85m, the quartz sand particle size that filter material layer 12 uses for 2~3mm,
The top of filter material layer 12 is 500mm away from the distance between water inlet sparge pipe 14 bottom.The bottom of filter block layer 11 is uniformly laid with more skies
Gas branch pipe, passage is offered in each air branch pipe respectively, and one end of each air branch pipe connects with one end of corresponding air header
Logical, each air header is uniformly laid on the inwall of the bottom of filter tank 16, and the other end of each air header is reached outside filter tank 16.
Filter tank 16 is internally provided with backwash tracheae 13, and one end of backwash tracheae 13 is extend between filter block layer 11 and filter material layer 12 simultaneously
Connected with more backwash air branch pipes, each backwash control supervisor uniformly lays between filter block layer 11 and filter material layer 12, instead
The other end for rinsing tracheae 13 is connected with the air outlet of the backwash blower fan 6 outside filter tank 16, is backwashed and is pacified on tracheae 13
Equipped with backwash intake valve 5.The centre position of the bottom of filter tank 16 is provided with water distribution gallery 9, the top end opening of water distribution gallery 9, opening
Place's capping has cover plate, hole is offered on cover plate, water distribution gallery 9 is connected by hole with the bottom of filter block layer 11, water distribution gallery 9
Water intake end is connected with backwashing one end of water pipe 8, and the other end of backwash water pipe 8 is connected with the delivery port of backwash pump 7, instead
Backwashing water water intaking valve 3 is installed, the water side of water distribution gallery 9 is connected with one end of outlet pipe 10, outlet pipe on wash tub pipe 8
10 other end is provided with outlet valve 4 to overhanging on outlet pipe 10.
In the course of the work, filter tank 16 is using film medium of the quartz sand as denitrifying microorganism, filter tank for the utility model
16 can ensure that water outlet SS (solid suspension concentration) is less than 5mg/L, and during backwashing period, every square metre of filter area can protect
Solid suspension of the card retention more than or equal to 7.3kg.It is substantially prolongs using layer of sand as solid filtrate, the high characteristic of its load
Filter cycle, reduce backwash number.Filter tank is combined using air water to be backwashed, and recoil waste water is by backwashing drainpipe
15 externally discharges, and be back to pretreatment unit, backwash water are usually no more than the 4% of processing water.Using high-quality carbon source,
NOx-N is converted into N by denitrification flora of the apposition growth on quartz sand surface2Complete denitrification reaction process.In denitrification mistake
Cheng Zhong, because nitrate nitrogen is constantly reduced to nitrogen, substantial amounts of nitrogen can be assembled in filter tank, nitrogen can make sewage around altering medium
Between, contact of the microorganism with water is so enhanced, while also improve filter efficiency.The utility model depth bed denitrification filter pool
Filtering, gas backwash, air water backwash, water backwash and nitrogen release are mainly completed in running.
Gas backwash process is：Water intaking valve 1, outlet valve 4, backwashing water drain valve 2 and backwashing water water intaking valve 3 are closed, is beaten
Drive backwash intake valve 5 and backwash blower fan 6 enters promoting the circulation of qi recoil, gas back flushing process discharges process along with nitrogen.
Air water back washing process is：Water intaking valve 1, outlet valve 4 and backwashing water drain valve 2 are closed, opens backwash intake valve 5
Air water back washing is carried out with backwash blower fan 6, backwashing water water intaking valve 3 and backwash pump 7, treats that denitrification filter pool water level reaches and sets
After determining height, close backwashing water water intaking valve 3 and backwash intake valve 5, flushing finish after after the stabilization of filter material layer 12, beat
Backwashing water drain valve 2 is driven externally to discharge sewage.
Water back flushing process is：Close water intaking valve 1, outlet valve 4, backwashing water drain valve 2, backwash intake valve 5 and recoil
Blower fan 6 is washed, backwashing water water intaking valve 3 is opened and backwash pump 7 enters water-filling recoil, it is high to treat that denitrification filter pool water level reaches setting
After degree, backwashing water water intaking valve 3 and backwash pump 7 are closed, rinses after finishing after filter material layer is stable, opens backwash
Water discharging valve 2 externally discharges sewage.
The utility model depth bed denitrification filter pool, filter tank 16 is using film medium of the quartz sand as denitrifying microorganism, filter
Pond 16 can ensure that water outlet SS is less than 5mg/L, and wastewater purifying efficiency is good.Using layer of sand as solid filtrate, the high spy of its load
Property substantially prolongs filter cycle, reduce backwash number.Filter tank is combined using air water to be backwashed, and repercussion effect is good,
Back-flushing can be recycled, and be economized on resources.In denitrification process, because nitrate nitrogen is constantly reduced to nitrogen, filter
Chi Zhonghui assembles substantial amounts of nitrogen, and nitrogen can make sewage between medium is altered, so enhance contact of the microorganism with water, enter one
Step improves purification efficiency.The utility model is simple in construction, purifying water effect is good, filter efficiency is high, has compared with prior art
Clear advantage.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (7)
- A kind of 1. deep bed denitrification filter pool, it is characterised in that：Including filter tank (16), total irrigation channel (17) and filter tank canal for water distribution (18) quartz sand layer, one end of total irrigation channel (17) and the one of filter tank canal for water distribution (18), are provided with filter tank (16) inwall End connection, is provided with water intaking valve (1), filter tank canal for water distribution (18) bottom between total irrigation channel (17) and filter tank canal for water distribution (18) End is provided with backwash drainpipe (15), backwashing water drain valve (2) is provided with backwash drainpipe (15), in filter tank (16) It is provided with wall into water sparge pipe (14), one end of water inlet sparge pipe (14) and is intake with being connected inside filter tank canal for water distribution (18) The other end of sparge pipe (14) extend into filter tank (16) inside, and filter tank (16) internal bottom is provided with filter block layer (11), filter block Layer (11) top is covered with filter material layer (12), and filter tank (16) are internally provided with backwash tracheae (13), backwash the one of tracheae (13) End is extend between filter block layer (11) and filter material layer (12), and the other end of backwash tracheae (13) is with being located at filter tank (16) outside The air outlet connection of blower fan (6) is backwashed, backwash intake valve (5), filter tank (16) bottom are installed on backwash tracheae (13) Water distribution gallery (9) is provided with, water distribution gallery (9) top connects with filter block layer (11) bottom, and the water intake end of water distribution gallery (9) passes through Backwash water pipe (8) is connected with the delivery port of backwash pump (7), and backwashing water water intaking valve is provided with backwash water pipe (8) (3), the water side of water distribution gallery (9) is provided with out by outlet pipe (10) and filter tank (16) ft connection, outlet pipe on (10) Water valve (4).
- 2. deep bed denitrification filter pool according to claim 1, it is characterised in that：The filter tank (16) is rectangular configuration, filter The bed of material (12) thickness is 1.85m, and the quartz sand particle size that filter material layer (12) uses is 2~3mm.
- 3. deep bed denitrification filter pool according to claim 1, it is characterised in that：It is described water inlet sparge pipe (14) quantity be It is multiple, respectively intake sparge pipe (14) uniformly installed on the inwall of filter tank (16), respectively intake sparge pipe (14) one end all with always Irrigation channel (17) connects, and the other end for sparge pipe (14) of respectively intaking all extend into filter tank (16) inside.
- 4. deep bed denitrification filter pool according to claim 1, it is characterised in that：The filter block layer (11) uses mounting structures Laid.
- 5. deep bed denitrification filter pool according to claim 1, it is characterised in that：Match somebody with somebody away from water inlet on filter material layer (12) top The distance between water pipe (14) bottom is 500mm.
- 6. deep bed denitrification filter pool according to claim 1, it is characterised in that：Uniformly lay filter block layer (11) bottom There are more air branch pipes, offer passage, one end of each air branch pipe and corresponding air header in each air branch pipe respectively One end connection, each air header is uniformly laid on the inwall of filter tank (16) bottom, and the other end of each air header reaches Filter tank (16) is outside.
- 7. deep bed denitrification filter pool according to claim 1, it is characterised in that：At water distribution gallery (9) top end opening Capping has cover plate, hole is offered on cover plate, water distribution gallery (9) is connected by hole with filter block layer (11) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720287520.4U CN206666221U (en) | 2017-03-22 | 2017-03-22 | deep bed denitrification filter pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720287520.4U CN206666221U (en) | 2017-03-22 | 2017-03-22 | deep bed denitrification filter pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206666221U true CN206666221U (en) | 2017-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720287520.4U Active CN206666221U (en) | 2017-03-22 | 2017-03-22 | deep bed denitrification filter pool |
Country Status (1)
| Country | Link |
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| CN (1) | CN206666221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264146A (en) * | 2018-02-11 | 2018-07-10 | 杭州宸祥环境工程有限公司 | A kind of sewage water filtration method of denitrification deep-bed filter |
| CN109133346A (en) * | 2018-10-24 | 2019-01-04 | 深圳市慧创源环保科技有限公司 | Denitrification filter pool |
| CN114873721A (en) * | 2022-05-26 | 2022-08-09 | 苏州振禹环保科技有限公司 | Construction method of denitrification deep bed filter tank with back-flushing air inlet pipe mounted at bottom |
-
2017
- 2017-03-22 CN CN201720287520.4U patent/CN206666221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264146A (en) * | 2018-02-11 | 2018-07-10 | 杭州宸祥环境工程有限公司 | A kind of sewage water filtration method of denitrification deep-bed filter |
| CN109133346A (en) * | 2018-10-24 | 2019-01-04 | 深圳市慧创源环保科技有限公司 | Denitrification filter pool |
| CN114873721A (en) * | 2022-05-26 | 2022-08-09 | 苏州振禹环保科技有限公司 | Construction method of denitrification deep bed filter tank with back-flushing air inlet pipe mounted at bottom |
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