CN105540821B - A kind of slow filter processing system of hybrid biology of stop-off - Google Patents
A kind of slow filter processing system of hybrid biology of stop-off Download PDFInfo
- Publication number
- CN105540821B CN105540821B CN201610125679.6A CN201610125679A CN105540821B CN 105540821 B CN105540821 B CN 105540821B CN 201610125679 A CN201610125679 A CN 201610125679A CN 105540821 B CN105540821 B CN 105540821B
- Authority
- CN
- China
- Prior art keywords
- sand
- water
- supplementing
- biological slow
- hybrid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 153
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000012423 maintenance Methods 0.000 claims abstract description 22
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 17
- 239000004576 sand Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 33
- 230000001502 supplementing effect Effects 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005273 aeration Methods 0.000 claims 3
- 230000003020 moisturizing effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000009287 sand filtration Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009469 supplementation Effects 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
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- 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
- C02F3/04—Aerobic processes using trickle filters
- C02F3/043—Devices for distributing water over trickle filters
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of intermittent Biological Sand Filtration processing system, belong to micro polluted source biological cleaning process field.The system includes：Tank is connected by the pipeline equipped with water pump with top inlet water tank, water level control meter is set in the inlet water tank of top, the water outlet of top inlet water tank is connected through setting the pipeline of flowmeter with oxygenation unit, splash board is set in oxygenation unit, oxygenation unit is connected through flange with the hybrid biological slow filtering device upper end water inlet of stop-off, the hybrid biological slow filtering device lower end of stop-off sets discharge outlet, and discharge outlet accesses filtered water tank through drainpipe；Moisturizing self-con-tained unit is electrically connected with water pump, water level control meter, the start and stop of water pump can be controlled according to the signal of water level control meter, to top inlet water tank moisturizing.The processing system due to using the hybrid biological slow filtering device of stop-off, can the number of stop-off every year 3~5 times, improve treatment effeciency using reason biological flora, and can only do the maintenance once shoveled and repeatedly add clean filtrate in filtrate top layer every year, extend maintenance phase.
Description
Technical Field
The invention relates to the field of biological purification treatment of micro-polluted water sources such as rainwater or natural water, in particular to a sand-supplementing mixed biological slow-filtration treatment system.
Background
At present, in vast arid regions and remote mountainous regions of China, rainwater, spring water, surface water and the like can be used as domestic drinking water sources, the rainwater is collected into a water cellar or a water tank to be taken by a single user or slightly polluted water such as spring water, surface water and the like is injected into a centralized water supply pool and then is distributed into various water cellars through pipelines to be taken by different users. It is suitable for irrigation of crops, livestock and people.
The slightly polluted water has long service life, even needs to be stored for several months, the water is usually drunk after being simply boiled, the water quality indexes such as organic matters, turbidity, chromaticity, ammonia nitrogen and the like in the water exceed standards or seriously exceed the standards, the health of people is harmed, and the living standard of people cannot be improved.
The biological slow filtration technology has wide application prospect in arid areas and remote mountainous areas due to the advantages of low equipment cost, simple and convenient operation, low operation cost and the like. However, the biological slow filtration technology has the defects that the operation period (2-5 months) is short, the maintenance is frequent, the filtration is stopped, the surface layer of the filter material is scraped by 10-30 mm, the filter material is backfilled, the water quality of the outlet water can be recovered to reach the standard after the water is recovered, the maintenance operation is complex, the machine needs to be stopped, the period for recovering the water quality of the outlet water to reach the standard is long, and the like, so that the biological slow filtration technology is restricted in practical application.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a sand-supplementing mixed biological slow filtration treatment system, which can solve the problems of short operation period, frequent maintenance, complex maintenance operation, shutdown for water filtration interruption and the like of the traditional biological slow filtration technology applied to purifying slightly polluted water at present.
In order to solve the above technical problems, the present invention provides a sand-replenishing mixed biological slow filtration system, comprising:
the device comprises a water storage container, an upper water inlet tank, an oxygenation unit, a sand-supplementing mixed biological slow filtering device, a clear water tank, a water pump, a water level control meter, a flow meter and a water-supplementing automatic control device; wherein,
the water storage container is communicated with an upper water inlet tank through a pipeline provided with a water pump, a water level controller is arranged in the upper water inlet tank, a water outlet of the upper water inlet tank is connected with the oxygenation unit through a pipeline provided with a flow meter, a splash plate is arranged in the oxygenation unit, the oxygenation unit is connected with the sand-supplementing mixed type biological slow filtering device through a flange, and a water outlet end of the sand-supplementing mixed type biological slow filtering device is connected into the clean water tank through a water outlet pipe;
the water replenishing automatic control device is electrically connected with the water pump and the water level control meter, and can control the starting or stopping of the water pump according to the signal of the water level control meter to replenish water to the upper water inlet tank.
The invention has the beneficial effects that: the upper water inlet tank with the water level control meter arranged therein is connected with the sand-supplementing mixed biological slow filtering device through a pipeline with a water pump, so that the water pump is controlled by the water supplementing automatic control device through a signal of the water level control meter to realize automatic raw water supplement to the upper water inlet tank, and the system can continuously and automatically run under the unattended condition; and because adopt the biological slow filter device of sand supplement hybrid, can need not to shut down the condition after every operation cycle, can resume normal filtration state through supplying clean filter material and mixing with former filter material, it is more convenient not only to use, maintain, can make full use of the biological fungus crowd in the biological slow filter device of sand supplement hybrid moreover, effectively improved the treatment effeciency to the cellar for storing things water, can improve about 10%, also prolonged the maintenance period of entire system simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sand-replenishing mixed biological slow filtration treatment system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a sand-replenishing mixed biological slow filtration treatment system, which can prolong a maintenance period and improve treatment efficiency of pit water, and includes:
a water storage container 15, an upper water inlet tank 13, an oxygenation unit 3, a sand-supplementing mixed biological slow filtering device 10, a clear water tank 8, a water pump 9, a water level control meter 1, a flow meter 12 and a water supplementing automatic control device 14;
wherein, the water storage container 15 (which can adopt a cistern or a water tank) is communicated with the upper water inlet tank 13 through a pipeline provided with a water pump 9, the water outlet of the upper water inlet tank 13 is connected with the oxygen increasing unit 3 through a pipeline provided with a flow meter 12, a water splashing plate 11 is arranged in the oxygen increasing unit 3, and an overflow port 2 is arranged on the oxygen increasing unit 3; the oxygenation unit 3 is connected with a sand-supplementing mixed biological slow filter device 10 through a flange 4, a water outlet is formed in the lower end of the sand-supplementing mixed biological slow filter device 10, and the water outlet is connected into a clean water tank 8 through a water outlet pipe 7;
the water replenishing automatic control device 14 is electrically connected with the water pump, the water level control meter 1 and the water pump 9, and controls the start and stop of the water pump through signals of the water level control meter to replenish water for the upper water tank 13. The water-replenishing automatic control device 14 may adopt a conventional electronic control device or a programmable controller and the like.
In the treatment system, the sand-supplementing mixed biological slow filter device 10 adopts a sand-supplementing mixed biological slow filter or a sand-supplementing mixed biological slow filter column, and a filter material consisting of a fine sand layer 5 and a gravel layer 6 is arranged in the sand-supplementing mixed biological slow filter column from top to bottom; wherein the thickness of the fine sand layer 5 is 600-900 mm, the thickness of the gravel layer 6 is 100-200 mm, the particle size of the fine sand layer 5 is 0.25-0.5 mm, and the particle size of the gravel layer 5 is 15-25 mm.
In the treatment system, the filtering speed of the sand-supplementing mixed biological slow filtering device 10 is 0.1-0.3 m/h, the sand supplementing frequency is 3-5 times per year according to the design of the water quality of inlet water, and the sand-supplementing mixed biological slow filtering device is maintained once per year.
In the above-mentioned processing system, splash board 11 that sets up in oxygenation unit 3 is located this oxygenation unit 3 interior liquid level top, and the top is 100mm apart from oxygenation unit 3 interior top, is located between the filter material layer of oxygenation unit 3's water inlet and the biological slow filter device 10 of mending sand hybrid, and splash board 11 that this kind of mode set up can make upper portion intake box 13 rivers and strike splash board 11 after entering oxygenation unit 3, increases water and air area of contact, improves the oxygen content of intaking. An overflow port convenient for overflowing after being filled is arranged on the oxygen increasing unit 3.
In the treatment system, the sand-supplementing mixed biological slow filter device 10 has 3-5 sand-supplementing periods per year; the sand filling mode of each sand filling period is as follows: and directly supplementing and adding 20-40 mm of clean filter material in an operating state, uniformly mixing the supplemented filter material with the thickness of 10-30 mm on the surface layer of the original filter material, and recovering the effluent to reach the standard for 2-5 days.
Among the above-mentioned processing system, the biological slow filter device 10 of sand replenishment mixed type is a maintenance period after 3 ~ 5 sand replenishment cycles of operation, and the maintenance mode of every maintenance period is: and (3) shoveling filter materials added for multiple times on the surface layer of the filter material in the sand-supplementing mixed type biological slow filter device 10 in each sand-supplementing period between the current maintenance period and the last maintenance period, supplementing 10-30 mm thick clean filter materials, and normally operating after a recovery period of 4-7 days.
In the treatment system, the sand-supplementing mixed biological slow filter device 10 adopts a transparent shell made of a transparent material, so that sunlight can be transmitted conveniently.
When the treatment system works, raw water in the water storage container enters the upper water inlet tank under the control of the water replenishing automatic control device, the raw water flows through the sand replenishing mixed type slow biological filter device to form a biological layer by normal film hanging, after the stable operation is carried out for 2-4 months, the system resistance is increased, the water yield is reduced, a clean filter material with the thickness of 20-40 mm is directly supplemented and added in the operation state, the supplemented filter material and a part with the thickness of 10-30 mm on the surface layer of the original filter material are uniformly mixed, the biological flora in the sand replenishing mixed type slow biological filter device is fully utilized, the formation of the biological layer on the surface of the filter layer is accelerated, the effluent quality reaching the standard is recovered, the recovery period is 2-5 days, and the treatment efficiency of the sand replenishing mixed type slow biological filter treatment system on cellar water is improved by about 10%. The sand-replenishing mixed biological slow filter device has 3-5 sand-replenishing periods per year, namely, the sand-replenishing times are 3-5. And then, carrying out one-time maintenance, shoveling the surface layer of the filter material, adding the amount of the filter material for multiple times, supplementing a clean filter material with the thickness of 10-30 mm, and normally operating after a recovery period of 4-7 days, wherein the operation period is a complete operation period. And then repeated in cycles. The sand supplementing and maintaining period of the sand supplementing mixed type biological slow filter device is the sand supplementing and maintaining period of the treatment system, so that the sand supplementing mixed type biological slow filter treatment system shortens the recovery period and prolongs the maintenance period compared with the traditional biological slow filter device process.
The processing system of the present invention is further described below with reference to specific embodiments.
The invention discloses a sand-filling mixed biological slow filtration treatment system, which comprises the following preferred embodiments:
a water cellar (or a water tank) serving as a water storage container 15, an upper water inlet tank 13, an oxygen increasing unit 3, a sand supplementing mixed type biological slow filtering device 10 (a sand supplementing mixed type biological slow filtering tank is adopted in the embodiment), a clear water tank 8, a water pump 9, a water level controller 1 and a water supplementing automatic control device 14; wherein, the water storage container 15 is connected with the upper water inlet tank 13 through a pipeline provided with a water pump 9, the water outlet of the upper water inlet tank 13 is connected with the oxygen increasing unit 3 through a pipeline provided with a flow meter 12, a splash board 11 is arranged in the oxygen increasing unit 3, the oxygen increasing unit 3 is connected with a sand supplementing mixed type biological slow filter device 10 through a flange, raw water entering the impact oxygen increasing unit 3 impacts the splash board 11 for increasing oxygen, inflow sand-supplementing mixed type biological slow filter device 10, sand-supplementing mixed type biological slow filter device 10 bottom sets up the outlet, the outlet passes through drain pipe 7 and inserts clear water tank 8, store in the clear water tank 8 and filter the back clear water, moisturizing automatic control device 14 and water pump 9, water level control meter 1 electrical intercommunication, can be according to the start-up and the stop of water level control meter 1's signal control water pump 9, automatic 13 moisturizing of case are intake to upper portion, moisturizing automatic control device 14 and water pump 9, water level control meter 1 synergism has realized intaking the interior water level of case 13 and carrying out automatic water supply according to upper portion.
The filter material in the sand-supplementing mixed type biological slow filter device consists of a fine sand layer 5 with the thickness of 600-900 mm and a gravel layer 6 with the thickness of 100-200 mm from top to bottom, the fine sand particle size of the fine sand layer 5 is 0.25-0.5 mm, and the gravel particle size of the gravel layer 5 is 15-25 mm. An overflow port 2 is arranged at a position 50mm away from the top of the oxygen increasing unit 3, so that overflow is facilitated. The oxygenation unit 3 passes through flange 4 with the upper shed of the biological slow filter device 10 of sand supplementation hybrid and connects, can convenient and fast dismouting flange, separately two units, can not influence the mixing operation when mixing new filter material and former biological layer.
The casing of the sand-supplementing mixed biological slow filter device 10 in the treatment system is made of transparent materials and is a transparent casing, and the transparent casing is easy to observe the water level and transparent to sunlight.
When the processing system finishes a running period, the surface layer of a filter material with the thickness of 10-30 mm in the sand-supplementing mixed type biological slow filtering device 10 is not required to be scraped, a clean filter material with the thickness of 20-40 mm is added through supplement, the supplemented clean filter material is uniformly mixed with the part with the thickness of 10-30 mm on the surface layer of the original filter material, so that the machine does not need to be stopped, biological flora in the sand-supplementing mixed type biological slow filtering device 10 can be fully utilized, the time for recovering the effluent quality to reach the standard within 4-7 days is shortened to 2-5 days, and the processing efficiency of the sand-supplementing mixed type biological slow filtering processing system to the cellar water is improved by about 10%. The treatment system can be used for supplementing sand for 3-5 times every year, maintenance is performed once every year, the surface layer of the filter material is shoveled, clean filter materials are added for multiple times, and the maintenance period is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A sand replenishment mixed biological slow filtration system comprising:
a water storage container (15), an upper water inlet tank (13), an oxygenation unit (3), a sand-supplementing mixed biological slow filter device (10), a clear water tank (8), a water pump (9), a water level control meter (1), a flow meter (12) and a water supplementing automatic control device (14); wherein,
the water storage container (15) is communicated with an upper water inlet tank (13) through a pipeline provided with a water pump (9), a water level controller (1) is arranged in the upper water inlet tank (13), a water outlet of the upper water inlet tank (13) is connected with the oxygen increasing unit (3) through a pipeline provided with a flow meter (12), a water splashing plate (11) is arranged in the oxygen increasing unit (3), the oxygen increasing unit (3) is connected with a water inlet at the upper end of the sand supplementing mixed type biological slow filtering device (10) through a flange (4), a water outlet is arranged at the lower end of the sand supplementing mixed type biological slow filtering device (10), and the water outlet is connected into the clean water tank (8) through a water outlet pipe (7);
the water replenishing automatic control device (14) is electrically connected with the water pump (9) and the water level control meter (1), and can control the start or stop of the water pump according to a signal of the water level control meter (1) to replenish water to the upper water inlet tank (13);
the sand-replenishing mixed biological slow filter device (10) has 3-5 sand-replenishing cycles per year; the sand filling mode of each sand filling period is as follows: and directly supplementing and adding 20-40 mm of clean filter material in an operating state, uniformly mixing the supplemented filter material with the thickness of 10-30 mm on the surface layer of the original filter material, and recovering the effluent to reach the standard for 2-5 days.
2. The sand-supplementing hybrid biological slow filter system according to claim 1, wherein the sand-supplementing hybrid biological slow filter device (10) adopts a sand-supplementing hybrid biological slow filter or a sand-supplementing hybrid biological slow filter column, and a filter material consisting of a fine sand layer (5) and a gravel layer (6) is arranged in the sand-supplementing hybrid biological slow filter column from top to bottom.
3. The sand-supplementing hybrid biological slow filter system according to claim 2, wherein the thickness of the fine sand layer (5) in the sand-supplementing hybrid biological slow filter device (10) is 600-900 mm, the thickness of the gravel layer (6) is 100-200 mm, the particle size of the fine sand layer (5) is 0.25-0.5 mm, and the particle size of the gravel layer (6) is 15-25 mm.
4. The sand replenishment hybrid biological slow filtration system according to claim 1, wherein the splash plate (11) in the aeration unit (3) is located above the liquid level in the aeration unit (3) and is 100mm from the inner top of the aeration unit (3);
an overflow port is arranged on the oxygenation unit (3).
5. The sand replenishment mixed type biological slow filter system according to any one of claims 1 to 3, wherein the filtering speed of the sand replenishment mixed type biological slow filter device (10) is 0.1 to 0.3m/h, the sand replenishment period is 2 to 4 months, and the operation period is one year.
6. A sand replenishment hybrid biological slow filtration system according to any one of claims 1 to 3, wherein the sand replenishment hybrid biological slow filtration device (10) employs a transparent housing.
7. A sand replenishment mixed type biological slow filter system according to any one of claims 1 to 3, wherein the sand replenishment mixed type biological slow filter device (10) is operated for 3 to 5 sand replenishment cycles and then is subjected to a maintenance period, and the maintenance manner of each maintenance period is as follows: and (3) shoveling filter materials added for multiple times in each sand supplementing period between the current maintenance period and the last maintenance period on the surface layer of the filter material in the sand supplementing mixed type biological slow filtering device (10), supplementing 10-30 mm thick clean filter materials, and normally operating after a recovery period of 4-7 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125679.6A CN105540821B (en) | 2016-03-04 | 2016-03-04 | A kind of slow filter processing system of hybrid biology of stop-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125679.6A CN105540821B (en) | 2016-03-04 | 2016-03-04 | A kind of slow filter processing system of hybrid biology of stop-off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105540821A CN105540821A (en) | 2016-05-04 |
| CN105540821B true CN105540821B (en) | 2018-05-08 |
Family
ID=55820453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610125679.6A Expired - Fee Related CN105540821B (en) | 2016-03-04 | 2016-03-04 | A kind of slow filter processing system of hybrid biology of stop-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105540821B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528931A (en) * | 2015-01-22 | 2015-04-22 | 浙江大学 | Biological aerated filter using barley straws as substrate and application thereof |
| CN104829067A (en) * | 2015-05-28 | 2015-08-12 | 河海大学 | Active iron purifier and bank slope wetland system coupled purifying culture pond drainage system |
| CN204625424U (en) * | 2015-03-23 | 2015-09-09 | 金翼 | A kind of biochemical reactor |
| CN105110455A (en) * | 2015-10-09 | 2015-12-02 | 北京建筑大学 | Intermittent biological sand filtration treatment system |
| CN205575756U (en) * | 2016-03-04 | 2016-09-14 | 北京建筑大学 | Processing system is strained slowly to stop -off hybrid biology |
-
2016
- 2016-03-04 CN CN201610125679.6A patent/CN105540821B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528931A (en) * | 2015-01-22 | 2015-04-22 | 浙江大学 | Biological aerated filter using barley straws as substrate and application thereof |
| CN204625424U (en) * | 2015-03-23 | 2015-09-09 | 金翼 | A kind of biochemical reactor |
| CN104829067A (en) * | 2015-05-28 | 2015-08-12 | 河海大学 | Active iron purifier and bank slope wetland system coupled purifying culture pond drainage system |
| CN105110455A (en) * | 2015-10-09 | 2015-12-02 | 北京建筑大学 | Intermittent biological sand filtration treatment system |
| CN205575756U (en) * | 2016-03-04 | 2016-09-14 | 北京建筑大学 | Processing system is strained slowly to stop -off hybrid biology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105540821A (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104671499B (en) | Smelt composite wastewater advanced treatment separate-recycling method | |
| CN202279737U (en) | Rural drinking water treatment device | |
| CN201467825U (en) | Filtering device for fish tank | |
| CN206607101U (en) | Effluent treatment plant | |
| CN108002639A (en) | Integrated form integration ecological water factory | |
| CN202785852U (en) | Reclaimed water recycling device | |
| CN106219861A (en) | A kind of belt Magneto separate sewage disposal system | |
| CN105540821B (en) | A kind of slow filter processing system of hybrid biology of stop-off | |
| CN201372235Y (en) | Integrated reclaimed water advanced treating equipment | |
| CN112321075A (en) | Sewage treatment equipment | |
| CN205575756U (en) | Processing system is strained slowly to stop -off hybrid biology | |
| CN218709623U (en) | Rural sewage container formula A2O integration processing apparatus | |
| CN208561732U (en) | System is cut down in the overflow of combined system pipe network and water pollution integration | |
| CN207031014U (en) | A kind of new batch-type air-dissolving air-float equipment for separating liquid from solid | |
| CN201981585U (en) | Integrated water saving device | |
| CN205367886U (en) | Mud decrement sewage treatment system | |
| CN203582606U (en) | Single chip controlled rural modularized water purifier | |
| CN205241438U (en) | Contain coal waste water electron flocculation facility | |
| CN105060652B (en) | A kind of processing system of paper waste | |
| CN203862023U (en) | Regular dirt and sundry removing and processing device for sewage water | |
| CN202924854U (en) | Flocculation rotary table filter tank of sewage treatment | |
| CN208345857U (en) | Ardealite storage yard percolate biochemical treatment apparatus | |
| CN207659273U (en) | A kind of gray water recycling integrated device | |
| CN208279460U (en) | A kind of biofilm integrated sewage-treatment plant of microkinetic efficiently and directionally | |
| CN206915875U (en) | The small-sized integrated water purifier of jetting type automatic backwash |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20190304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |