CN110282838A - A kind of slow filter equipment of the biology of the small-sized central water supply water factory in suitable mountain area - Google Patents
A kind of slow filter equipment of the biology of the small-sized central water supply water factory in suitable mountain area Download PDFInfo
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- CN110282838A CN110282838A CN201910732183.9A CN201910732183A CN110282838A CN 110282838 A CN110282838 A CN 110282838A CN 201910732183 A CN201910732183 A CN 201910732183A CN 110282838 A CN110282838 A CN 110282838A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 239000008400 supply water Substances 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 8
- 210000004276 hyalin Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009287 sand filtration Methods 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 9
- 241000195493 Cryptophyta Species 0.000 description 7
- 239000000706 filtrate Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The present invention relates to a kind of slow filter equipment of the biology of suitable small-sized central water supply water factory in mountain area, including high water tank, slow filter, threeway water-level regulator, porous water distributor, Rainguard, Rainguard is installed at the top of the slow filter, supporting layer is fixedly installed in the slow filter, filter material layer is placed above in the supporting layer, it is overlying water area above the filter material layer, gathering ground bottom connects the water inlet of threeway water-level regulator by water pipe, the water inlet of the threeway water-level regulator is higher than plane where filter material layer top surface, the ventilation mouth of the threeway water-level regulator is upward, the water outlet of the threeway water-level regulator connects clear water reserviors by water pipe.The beneficial effects of the present invention are: the threeway water-level regulator of setting can make to keep certain overlying water layer in bio-slow sand filtration, to ensure that biological filter membrane undergoes no deterioration or dead.Rainguard can prevent rain and other pollutants from entering slow filter device and pollute the effect for having no effect on illumination to water.
Description
Technical field
The present invention relates to biological slow filter equipment technical field, specifically a kind of small-sized central water supply water factories in suitable mountain area
The slow filter equipment of biology.
Background technique
Traditional conventional water treatment process water treatment building builds complexity, and operation and maintenance are difficult, and administrative staff need to have
Relatively high schooling is unsuitable for the construction of rural area water factory.Biology Slow Filtering Techniques have construction is simple, filtrate can
It gathers materials on the spot, cost of investment is low, and day-to-day operation safeguards the advantages that simple.Biological slow filter water purification technology is to gully stream, spring, weir
Pool water (turbidity need to be lower than 20NTU) purification, then can reach standards for drinking water quality (GB 5749- through appropriate disinfection
2006) remote mountain areas, the Drinking Water Problem in the place of inhabitants live's dispersion, are greatly solved.
Biology Slow Filtering Techniques to the removal of former water pollutant in addition to the physics of filtrate intercepts, absorption, other than filtering, mainly
The absorption, utilization and transformation of microbe in biomembrane, therefore it is skill that filtrate surface layer, which is formed by microbial film,
The key of art.Engineering practice shows that water source is larger by seasonal effect due to rural areas in our country, especially Southwest Mountainous Areas, pole
It is unstable easily to there is water source water, the case where water quality inferiority.
The existing slow filter equipment of biology is primarily present following defect:
1, the brick slow filter in part and device ignore the effect of overlying water depth, since the water works in rural area manages not in time,
The biomembrane on filtrate surface layer is eventually led to since water shortage is rotten or dead, spends the time long if you need to restore engineering operation, Wu Fabao
Demonstrate,prove the duration operating of bio-slow sand filtration.On the other hand, it by artificial regulatory water level, round-the-clock need to keep an eye on, management cost increases；
2, the microbial action of filter device needs to have enough dissolved oxygen contents in water slowly, and many slow filter devices are closed, do not flutter oxygen
Unit cannot achieve the oxygenation process of water；And many brick or device does not safeguard slow filter device, so needing one
Unsealed Rainguard not only can guarantee illumination, but also can prevent pollutant from entering slow filter device；
3, lack sterilizing function；
Therefore during biofilm and operation, it is badly in need of needing to maintain certain overlying water to come deeply above a kind of filtering layer of slow filter device
The activity for keeping biomembrane needs to be arranged the disinfection by ultraviolet light unit that intensity modulation is carried out according to water size, it is also desirable to provide
Illumination can prevent pollutant from entering the safeguard measure of biological slow filtering device again.
Summary of the invention
Insufficient for the above-mentioned prior art, the present invention provides a kind of slow filter of biology of small-sized central water supply water factory in suitable mountain area
Equipment.
A kind of slow filter equipment of the biology of suitable small-sized central water supply water factory in mountain area provided by the invention is by following technology
What scheme was realized:
A kind of slow filter equipment of the biology of the small-sized central water supply water factory in suitable mountain area, including high water tank, slow filter, threeway water level tune
Device, porous water distributor, Rainguard are saved, the high water tank is connected in the porous water distribution at the top of slow filter by water inlet pipe
Pipe, the slow filter top are equipped with Rainguard, supporting layer are fixedly installed in the slow filter, the supporting layer is placed above
Filter material layer, the filter material layer top are overlying water area, and slow filter side wall, which is located to cover pool position and be provided with, covers water overflow pipe, described
Gathering ground is formed between supporting layer and slow filter bottom, gathering ground bottom connects the water inlet of threeway water-level regulator by water pipe
Mouthful, the water inlet of the threeway water-level regulator is higher than plane where filter material layer top surface, and the threeway water-level regulator is breathed freely
Upward, the water outlet of the threeway water-level regulator connects clear water reserviors by water pipe to mouth, and the water outlet of clear water reserviors connects flowmeter,
And the water come out flows through apparatus for ultraviolet disinfection, the Rainguard top surface is hyaline membrane, and side is filter screen.
Flow control valve is set on the water inlet pipe.
Water tank overflow pipe is arranged in the high water tank upper portion side wall.
The gathering ground side wall is connected with drain valve.
The filter material layer is river sand, and the partial size of river sand is in the range of 0.3-1.0mm.
The beneficial effects of the present invention are:
1, the threeway water-level regulator being arranged physically does not need the water level controller of electronic type to be pure, is not necessarily to electric energy loss.It can
Certain overlying water layer is kept, still to guarantee in the case where amount of inlet water is unstable, in bio-slow sand filtration to ensure biological filter
Film undergoes no deterioration or death.
2, Rainguard can prevent rain and other pollutants from entering slow filter device and pollute the work for having no effect on illumination to water
With, prevent mountain area more fall leaves and animal and to equipment generate pollution, be conducive to the sustainable operation of equipment.There is ventilation simultaneously
Effect.
3, apparatus for ultraviolet disinfection is set, flow information is fed back by flowmeter, disinfection by ultraviolet light intensity is adjusted in real time
Control, avoids unnecessary power consumption.
4, high water tank is set, is disposed using the advantage of mountain area topography injustice, this mode is flowed by flow by gravity
Slow filter carries out water process, saves into slow filter device water pump, guarantees have enough water sources, extra water passes through overflow stream
Out, economic and reliable reduces operating cost.
5, easy to disassemble, cost is low relative to the structures of brick type, can simplify construction and installation.In terms of operation, reduce
The uncontrollable factor of microbial action reduces consumption, the streamlining management of electric energy as far as possible, substantially without artificial guard, guarantees peace
Full drinking-water.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is threeway water-level regulator schematic diagram of the present invention.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by embodiment below, it is clear that described reality
Applying example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field skill
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of slow filter equipment of the biology of the small-sized central water supply water factory in suitable mountain area, including high water tank 1, slow filter 2, threeway
Water-level regulator 3, porous water distributor 4, Rainguard 7, the high water tank 1 are connected at the top of slow filter by water inlet pipe 5
Porous water distributor 6, Rainguard 7 is installed at the top of the slow filter 1, supporting layer 8, institute are fixedly installed in the slow filter 1
It states supporting layer 8 and filter material layer 9 is placed above, be overlying water area 10 above the filter material layer 9, slow filter side wall, which is located at, covers pool position
It is provided with and covers water overflow pipe 11, form gathering ground 12 between the supporting layer and slow filter bottom, 12 bottom of gathering ground passes through water
Pipe connects the water inlet 31 of threeway water-level regulator 3, and the water inlet 31 of the threeway water-level regulator is higher than filter material layer top surface institute
In plane, upward, the water outlet 32 of the threeway water-level regulator passes through water pipe to the ventilation mouth 33 of the threeway water-level regulator
Clear water reserviors 13 are connected, the water outlet of clear water reserviors connects flowmeter 14, and the water come out flows through apparatus for ultraviolet disinfection 15, the screening
7 top surface of rain device is hyaline membrane 71, and side is filter screen 72.Ventilative strainer is set on ventilation mouth 33.
Further, flow control valve 16 is set on the water inlet pipe 5, and flow control valve 16 uses throttle valve, passes through control
Flow of inlet water processed controls filtering velocity within the scope of 0.1 ~ 0.4m/h, guarantees certain residence time to organic matter, ammonia nitrogen and turbidity
Removal effect.
Further, water tank overflow pipe 17 is arranged in 1 upper portion side wall of high water tank.High water tank 1 its using mountain area
The advantage of topography injustice disposes, and flows into slow filter by flow by gravity and carries out water process, saves into slow filter device water pump, protects
Card can have enough water sources, and extra water is flowed out by water tank overflow pipe 17, and economic and reliable reduces operating cost.
Further, water overflow pipe 11 is covered in setting, if the algae to climb up on top of the water is not discharged, the declines of algae, very
It can extremely rot, the algae floated on the water surface can keep the sun off, and make illumination less than filtering layer surface, it is therefore desirable to which water overflow is covered in setting
Extra floating algae is discharged in pipe 11, and filter tank can become the continuous culture system of algae at this time, covers the position of water overflow pipe 11
Outline is higher than the height of threeway water-level regulator device.
Further, 12 side wall of gathering ground is connected with drain valve 18.
Further, the filter material layer 9 is with a thickness of 1 meter, and filtrate is river sand, the range of the partial size of river sand in 0.3-1.0mm
It is interior.Water (flow) direction is from top to bottom through filter bed, successively to realize effective filtering for the water flow passed through.
Further, supporting layer 8 is used to prevent the filter clogging water outlet in the filter material layer, is set to the filter material layer
Lower section, water outlet, which is located at, to catchment zone position, enters gathering ground across the water of filter material layer and prevents the filtrate in the filter material layer
Fall into the gathering ground.For supporting layer with a thickness of 0.4m, partial size is that the gravel of the ascending arrangement of 1 ~ 32mm forms.Supporting layer bottom
It can be held up with thicker strainer.
Further, water source is unstable in order to prevent causes water shortage in pond, and the normal life for influencing biofilm microorganisms is living
Dynamic, setting threeway water-level regulator maintains the 0.4m overlying water of slow filter deep.After collecting by filtered water in gathering ground,
It is discharged after upward water conservancy diversion to the elevation of threeway water-level regulator position.The water level of starting slow filter does not reach threeway water-level regulator
Position when, be U-tube principle at this time, the state of slow filter is only to intake, and is not discharged.When the water level of slow filter reaches three
When the position of logical water-level regulator, water can be flowed out by water outlet, the stabilization of guaranteed water level, such as occurred phenomenon of cutting off the water supply again, remained to
Certain depth of water is kept, prevents the biomembrane water shortage for filtering device slowly dead.
Wherein, the Principles of Regulation of threeway water-level regulator are as shown in Fig. 2, when the height of water level in overlying water area is not up to intake
When 31 water level point A of mouth, slow filter and DAC form U-tube principle, and the water level in overlying water area is consistent with the water level in AD, at this time not
It can be discharged, be the process of water level promoting in slow filter.
When the height of water level in overlying water area reaches A point and water outlet increases, it is discharged the water level point C from A to ventilation mouth 33
It flows into, but under gravity, water can fall, water level point C will not be reached, but be discharged from the water level point B of water outlet 32,
Remain at it on water level A.After this process, overlying water area height of water level can also be maintained by cutting off the water supply.
Ventilation mouth 33 plays the role of protecting water level, since E is in lower position, if above covered without ventilation mouth 33
Water in pool can drain off, and cause biomembrane since water shortage is rotten or dead.
Further, Rainguard mainly prevents rain and other pollutants from entering slow filter device and pollutes not shadow to water
Ring the effect of illumination.Guarantee, which is made, for hyaline membrane above Rainguard enough illumination, and surrounding is the ventilative strainer of reticular structure,
It can prevent the entrance of pollutant.Linear algae be for the operation filtered slowly of biology it is beneficial, algae carry out photosynthesis to
For oxygen supply in water, promote the decomposition of aerobe.Rainguard need to be arranged to removably, strike-off convenient for the surface of filtering layer.
Further, the clear water reserviors that secondary storage is arranged in investigation display rural area easily cause the secondary pollution of water outlet, this dress
It sets water outlet and flows through apparatus for ultraviolet disinfection 15, add flowmeter before entering apparatus for ultraviolet disinfection 15.Can by flowmeter and
Apparatus for ultraviolet disinfection is electrically connected in controller, is fed back flow information by flowmeter and is adjusted in real time to disinfection by ultraviolet light intensity
Control.
Further, according to the water quality of raw water and operation conditions, filter material surface is periodically carried out to strike-off.When filtering velocity is lower than 0.1m/h
Or pollutant removal it is not up to standard when or filter bed should strike-off immediately when blocking, drained with opening drain valve, strike off table
The layer of sand of layer 1-2cm backfills or loads new sand filtering material to design height after cleaning, operation will consider micro- life active in water
Object is completed in a short time as far as possible.
Further, the porous water distributor 6 is the water pipe for being provided with several holes.
Embodiment described above only indicates embodiments of the present invention, and the description thereof is more specific and detailed, but can not manage
Solution is limitation of the scope of the invention.It should be pointed out that for those skilled in the art, not departing from structure of the present invention
Under the premise of think of, various modifications and improvements can be made, these belong to the scope of the present invention.
Claims (5)
1. a kind of slow filter equipment of the biology of small-sized central water supply water factory in suitable mountain area, it is characterised in that: including high water tank, slow filter
Pond, threeway water-level regulator, porous water distributor, Rainguard, the high water tank are connected in slow filter by water inlet pipe and push up
The porous water distributor in portion is equipped with Rainguard at the top of the slow filter, and supporting layer is fixedly installed in the slow filter, described is held
Filter material layer is placed above in support layer, is overlying water area above the filter material layer, and slow filter side wall, which is located to cover pool position and be provided with, to be covered
Water overflow pipe, forms gathering ground between the supporting layer and slow filter bottom, gathering ground bottom connects threeway water level by water pipe
The water inlet of the water inlet of adjuster, the threeway water-level regulator is higher than plane where filter material layer top surface, the threeway water level
Upward, the water outlet of the threeway water-level regulator connects clear water reserviors, the water outlet of clear water reserviors by water pipe to the ventilation mouth of adjuster
Mouth connection flowmeter, and the water come out flows through apparatus for ultraviolet disinfection, the Rainguard top surface is hyaline membrane, and side is filtering
Net.
2. a kind of slow filter equipment of the biology of suitable small-sized central water supply water factory in mountain area according to claim 1, feature exist
In: flow control valve is set on the water inlet pipe.
3. a kind of slow filter equipment of the biology of suitable small-sized central water supply water factory in mountain area according to claim 1, feature exist
In: water tank overflow pipe is arranged in the high water tank upper portion side wall.
4. a kind of slow filter equipment of the biology of suitable small-sized central water supply water factory in mountain area according to claim 1, feature exist
In: the gathering ground side wall is connected with drain valve.
5. a kind of slow filter equipment of the biology of suitable small-sized central water supply water factory in mountain area according to claim 1, feature exist
In: the filter material layer is river sand, and the partial size of river sand is in the range of 0.3-1.0mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732183.9A CN110282838A (en) | 2019-08-09 | 2019-08-09 | A kind of slow filter equipment of the biology of the small-sized central water supply water factory in suitable mountain area |
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| CN201910732183.9A CN110282838A (en) | 2019-08-09 | 2019-08-09 | A kind of slow filter equipment of the biology of the small-sized central water supply water factory in suitable mountain area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875989A (en) * | 2021-01-21 | 2021-06-01 | 贵州师范大学 | Drinking water purification device convenient to karst mountain area dispersion peasant household uses |
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| CN203959906U (en) * | 2014-05-21 | 2014-11-26 | 湖北大学 | The biological slow filter purifier of a kind of modified form |
| CN107777782A (en) * | 2017-11-13 | 2018-03-09 | 中国地质科学院水文地质环境地质研究所 | Contaminated land spring Water quality restoration conservation integral device |
| CN210367356U (en) * | 2019-08-09 | 2020-04-21 | 北京环渤利水科技有限公司 | Biological slow filtration equipment suitable for small centralized water supply water plant in mountain area |
-
2019
- 2019-08-09 CN CN201910732183.9A patent/CN110282838A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790969A (en) * | 2009-02-04 | 2010-08-04 | 郭丰时 | High-efficiency oxygen dissolving and increasing device |
| CN203105236U (en) * | 2013-03-26 | 2013-08-07 | 山东农业大学 | Siphon type automatic inrush flow irrigation device |
| CN203959906U (en) * | 2014-05-21 | 2014-11-26 | 湖北大学 | The biological slow filter purifier of a kind of modified form |
| CN107777782A (en) * | 2017-11-13 | 2018-03-09 | 中国地质科学院水文地质环境地质研究所 | Contaminated land spring Water quality restoration conservation integral device |
| CN210367356U (en) * | 2019-08-09 | 2020-04-21 | 北京环渤利水科技有限公司 | Biological slow filtration equipment suitable for small centralized water supply water plant in mountain area |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875989A (en) * | 2021-01-21 | 2021-06-01 | 贵州师范大学 | Drinking water purification device convenient to karst mountain area dispersion peasant household uses |
| CN112875989B (en) * | 2021-01-21 | 2022-11-29 | 贵州师范大学 | Drinking water purification device convenient to karst mountain area dispersion peasant household uses |
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