CN101857310A - Automatic backwashing biological filtering pond - Google Patents
Automatic backwashing biological filtering pond Download PDFInfo
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- CN101857310A CN101857310A CN 201010213190 CN201010213190A CN101857310A CN 101857310 A CN101857310 A CN 101857310A CN 201010213190 CN201010213190 CN 201010213190 CN 201010213190 A CN201010213190 A CN 201010213190A CN 101857310 A CN101857310 A CN 101857310A
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Abstract
The invention relates to an automatic backwashing biological filtering pond, which comprises a filtering water tank and is characterized in that: a supporting net is arranged in the filtering water tank; a water flowing seam is reserved between the supporting net and the filtering water tank; a partition plate is arranged in the middle of the filtering water tank; water flowing holes for connecting two ends of the partition plate are formed on the upper side part of the partition plate; both sides of the partition plate are respectively provided with a water inlet end and a water outlet end; a pressurized-water baffle plate is arranged in the middle of the water inlet end; the pressurized-water baffle plate divides the water inlet end into a pressurized-water area and an inverted filter area; the bottom of the pressurized-water area is communicated with the bottom of the inverted filter area through the water flowing seam; a clear water baffle plate is arranged in the middle of the water outlet end; the clear water baffle plate divides the water outlet end into a positive filter area and a clear water area; the bottom of positive filter area is communicated with the bottom of the clear water area through the water flowing seam; a backwashing device is arranged between the clear water area and the pressurized-water area; the backwashing device comprises a backwashing pump arranged in the pressurized-water area; the backwashing pump is communicated with the clear water area through a backwashing pipeline; and a filter is arranged on the backwashing pipeline.
Description
Technical field
The present invention relates to a kind of automatic backwashing biological filtering pond.This device belongs to facility cultivation industry equipment, is mainly used in the processing of the aquaculture wastewater of high-density, intensification, batch production fresh-water fishes in all kinds of hydrocoles aquaculture wastewaters, particularly greenhouse, the booth, also is adapted to the purifying treatment of other kind sewage.
Background technology
The biological treatment structures that biological filter (biologicalfilter) is made of rubble, plastics or ceramic filler.The microbial film gap of growing on sewage and the filling surface contacts, and sewage is purified.It is to be foundation with the soil self-purification principle, on the practical basis of sewage irrigation, and the artificial bio-membrane's treatment technology through growing up than primary intermittent sand filtration pond and contact filter.In recent years, scientist and engineering technical personnel have all carried out abundant research and technological improvement at aspects such as filtrate screening, pool wall pond bottom structure and water distribution systems, have obtained certain effect.But, the biological filter is applied to culture fishery, the filtrate phenomenon of blocking often appears, cause the filter tank hypofunction.Especially, high-density, intensification, industrialized aquiculture in the warmhouse booth, the movement of fish and spill into the residual bait of rich in proteins and other residue in the pond, can not get effectively decomposing and handling, under the environment more than 25 ℃, very fast putrid fermentation, generate a large amount of objectionable impuritiess, water transparency is very little, and dissolved oxygen amount descends
NH 4 + -NContent raises.On the other hand, filtrate is stopped up by residual bait and other residue in the filter tank, and aquaculture water is in working cycle, be difficult to by filtrate, the microorganism growth condition is limited, causes the filter tank purification function to completely lose, the aggravation cultivation water worsens circulation, and water body is seriously smelly, and fish can't survive.The filter tank that has is provided with sludge drainage system, but needs closure systems, and use starting desilting flushing back, and restarts and need the quite a long period, can reply the filter tank purification function.Like this, not only bother but also consuming time, also do not fit into high-density aquiculture.Therefore, guaranteeing that filtrate is not blocked, is the key point of performance biological filter purification function.The invention provides a kind of biological filter, possess automatic anti-cleaning function, be intended to address the aforementioned drawbacks.
Summary of the invention
The object of the present invention is to provide a kind of automatic backwashing biological filtering pond, this device possesses automatic anti-cleaning function, does not efflux to put in a suitable place to breed to system and grows sewage, meet the requirement of water saving, energy-saving and emission-reduction and Sustainable development, and cheap, make simply, be convenient to operation.
Technical program of the present invention lies in: a kind of automatic backwashing biological filtering pond, comprise filtered water reservoir, it is characterized in that: be provided with supporting network in the described filtered water reservoir, be provided with water seam road between supporting network and the filtered water reservoir bottom, the filtered water reservoir middle part is provided with partition panel, the upper lateral part of described partition panel is provided with the water hole that connects two ends, the partition panel both sides are respectively feed-water end and water side, the feed-water end middle part is provided with the setting-out dividing plate, the setting-out dividing plate is divided into pressurized water district and filtration area with feed-water end, the pressurized water district was passed through water seam road with the bottom, filtration area and was communicated with, the middle part, water side is provided with the clear water dividing plate, the clear water dividing plate is divided into the water side just filters district and clear water zone, described district and the clear water zone bottom of just filtering passed through water and stitched the road and be communicated with, and was provided with anti-washing unit between clear water zone and the pressurized water district, and described anti-washing unit comprises the anti-scavenging pump of being located in the pressurized water district, anti-scavenging pump is connected with clear water zone by anti-detergent line, and described anti-detergent line is provided with filtration unit.
The invention has the advantages that: 1, simple in structure, production cost is low, is convenient to operation;
2, will culture water and in these filtering basin, carry out filtration, purification, and supply with box for breeding more again and use, outside system, not discharge sewage, meet the requirement of water saving, energy-saving and emission-reduction and Sustainable development;
3, have anti-automatically characteristics of cleaning, can guarantee that filtrate is not blocked, can effectively bring into play the purification function of biological filter.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
A kind of automatic backwashing biological filtering pond, comprise filtered water reservoir 1, it is characterized in that: be provided with supporting network 2 in the described filtered water reservoir, be provided with water seam road 3 between supporting network and the filtered water reservoir bottom, the filtered water reservoir middle part is provided with partition panel 4, the upper lateral part of described partition panel is provided with the water hole 5 that connects two ends, the partition panel both sides are respectively feed-water end and water side, the feed-water end middle part is provided with setting-out dividing plate 6, the setting-out dividing plate is divided into pressurized water district 7 and filtration area 8 with feed-water end, the pressurized water district was passed through water seam road with the bottom, filtration area and was communicated with, the middle part, water side is provided with clear water dividing plate 9, the clear water dividing plate is divided into the water side just filters district 10 and clear water zone 11, described district and the clear water zone bottom of just filtering passed through water and stitched the road and be communicated with, and was provided with anti-washing unit between clear water zone and the pressurized water district, and described anti-washing unit comprises the anti-scavenging pump of being located in the pressurized water district 12, anti-scavenging pump is connected with clear water zone by anti-detergent line 13, and described anti-detergent line is provided with filtration unit 14.
For the aquaculture wastewater that enters the filter tank is filtered, described just the filter can be filled in rubble, plastics or ceramic, filter cotton, porous material, biochemistry ball, the gac one or more in district and the filtration area, and filtrate 15 surfaces are coated with microbial film.
Be provided with water pump 16 in the described clear water zone, the rising pipe one tunnel of water pump is connected to periodical feeding pipeline 17, another road is connected to atomizer passgae 18, also be provided with safety valve 19 on the described rising pipe, the water outlet of safety valve is connected to clear water zone, when hydraulic pressure is excessive on the water-supply line, unnecessary water flows back to clean water basin from safety valve, also be provided with electric heater 20 in the clear water zone,, keep the temperature-stable in the cultivating system in order under the situation of low ambient temperature, water supply is heated.
Described filtering basin are provided with controller 21, anti-detergent line is provided with magnetic valve A, and the periodical feeding pipeline is provided with magnetic valve B, and atomizer passgae is provided with magnetic valve C, be provided with liquid level sensor 22 in clear water zone and the pressurized water district, described controller is controlled the keying of each magnetic valve according to sensor signal.
The periodical feeding pipeline supplies water to cultivating system, and too high when the envrionment temperature of cultivating system, or relative humidity is low excessively, then by mist cooling and humidification.The work of atomizer passgae is controlled by controlling box, the employing program is sprayed and is forced the mode that combines of spraying, program spraying can formulate spray time, spray amount, spray intervals time, be auxilliary based on humidification, cooling, and can according to free air temperature, day irradiation dose and aquaculture system in biological growth demand online change program at any time; And force spraying on program spraying basis, to increase in addition, it is too high to work as the aquaculture system temperature especially, normal program spraying does not still reach lowers the temperature when requiring, it can close magnetic valve A automatically, opens solenoid valve C, to increase the hydraulic pressure of atomizer passgae, press spraying in the realization, reach the purpose of local fast cooling.
In order to control the service discharge that enters cultivating system, also be provided with flow valve 23 on the described periodical feeding pipeline.
For the aquaculture wastewater that passes back into filtering basin is carried out preliminary filtration, the feed-water end 27 of pressurized water district is provided with filtering net 24, and suction culvert is provided with filter tap 25.
In order to prevent to be blocked when filtrate, current can't flow to clear water zone from the pressurized water district swimmingly, thereby cause the pressurized water district current cultivating system that flows backwards back, and the upper lateral part of described pressurized water district sidewall is provided with overflow port 26.
After finishing in anti-cleaning, in clear water zone, replenish an amount of clear water, to guarantee the water supply on the periodical feeding pipeline, the branch road of described anti-detergent line is provided with the water intaking valve 28 towards clear water zone.
Principle of work of the present invention is as follows: be divided into the pressurized water district in this biological filter filtered water reservoir, the filtration area, just filtering district and clear water zone, four districts separate with dividing plate respectively, wherein be provided with water seam road between bottom of the setting-out dividing plate between pressurized water district and the filtration area and the filtered water reservoir bottom, filtration area and the intermediate membrane top of just filtering between the district were provided with water seam road, just filtering bottom the clear water dividing plate between district and the clear water zone and between bottom the filtered water reservoir and be provided with water hole, the sewage that enters the pressurized water district from water return pipeline enters the filtration area by the water seam road of crossing of setting-out dividing plate bottom earlier, water hole through intermediate membrane top enters and just filters the district again, enter clear water zone through the water seam road of crossing of clear water dividing plate bottom again, just, the rubble of filling in the filtration area, plastics or ceramic, filter cotton, porous material, biochemistry ball, filtrates such as activated carbon, corporeal thing in the water and micro-soluble material are fixed, and having played physical cleaning is main effect; Meanwhile, the microbial film that filter material surface forms can be decomposed into the movement of fish body simple compounds such as CO2, ammonia, carbonate, vitriol, plays biological purification.Purify the clear water zone that the back water body flows into the filter tank, can cycling and reutilization.
Aspirate from clear water zone by water pump,, supply water and produce the cultivating system water through flow valve and circulation transmission ﹠ distribution pipeline.
Automatic back cleaning system comprises is located at anti-scavenging pump in the pressurized water district, and anti-scavenging pump is connected with clear water zone by anti-detergent line, and described anti-detergent line is provided with filtration unit.When filtrate was blocked in the filter tank, the pressurized water district water level can raise, and the waterhead of pressurized water district and clear water zone is big more, and filtrate stops up serious more.When the pressurized water district water level was increased on the dividing plate overflow port height, liquid level sensor sent electromagnetic signal, closes magnetic valve A automatically, opens solenoid valve B, and back cleaning system is started working.
Anti-flushing water pump is extracted the water of pressurized water district out, behind the filtration unit of flowing through, enters clear water zone.Along with the clear water zone water level rises, under the hydraulic pressure effect, the current of just filtering district and filtration area of flowing through wash filtrate by reverse direction, and tamper is poured the pressurized water district.In anti-flushing water pump continuous firing process, these tampers are trapped on the filtration unit.Anti-scavenging period and the anti-flow that cleans can be controlled automatically according to filtrate stopping state on-line setup and by controlling box.After anti-cleaning finishes, close magnetic valve B automatically, opens solenoid valve A, the filtration, purification system recovery is normal.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (8)
1. automatic backwashing biological filtering pond, comprise filtered water reservoir, it is characterized in that: be provided with supporting network in the described filtered water reservoir, be provided with water seam road between supporting network and the filtered water reservoir bottom, the filtered water reservoir middle part is provided with partition panel, the upper lateral part of described partition panel is provided with the water hole that connects two ends, the partition panel both sides are respectively feed-water end and water side, the feed-water end middle part is provided with the setting-out dividing plate, the setting-out dividing plate is divided into pressurized water district and filtration area with feed-water end, the pressurized water district was passed through water seam road with the bottom, filtration area and was communicated with, the middle part, water side is provided with the clear water dividing plate, the clear water dividing plate is divided into the water side just filters district and clear water zone, described district and the clear water zone bottom of just filtering passed through water and stitched the road and be communicated with, and was provided with anti-washing unit between clear water zone and the pressurized water district, and described anti-washing unit comprises the anti-scavenging pump of being located in the pressurized water district, anti-scavenging pump is connected with clear water zone by anti-detergent line, and described anti-detergent line is provided with filtration unit.
2. automatic backwashing biological filtering pond according to claim 1, it is characterized in that: described just the filter in district and the filtration area can be filled in rubble, plastics or ceramic, filter cotton, porous material, biochemistry ball, the gac one or more, and filter material surface is coated with microbial film.
3. automatic backwashing biological filtering pond according to claim 1, it is characterized in that: be provided with water pump in the described clear water zone, the rising pipe one tunnel of water pump is connected to the periodical feeding pipeline, another road is connected to atomizer passgae, also be provided with safety valve on the described rising pipe, the water outlet of safety valve is connected to clear water zone, also is provided with electric heater in the clear water zone.
4. according to claim 1 or 3 described automatic backwashing biological filtering ponds, it is characterized in that: described filtering basin are provided with controller, anti-detergent line is provided with magnetic valve A, the periodical feeding pipeline is provided with magnetic valve B, atomizer passgae is provided with magnetic valve C, be provided with liquid level sensor in clear water zone and the pressurized water district, described controller is controlled the keying of each magnetic valve according to sensor signal.
5. automatic backwashing biological filtering pond according to claim 3 is characterized in that: also be provided with flow valve on the described periodical feeding pipeline.
6. automatic backwashing biological filtering pond according to claim 1 is characterized in that: the feed-water end of pressurized water district is provided with filtering net, and suction culvert is provided with filter tap.
7. automatic backwashing biological filtering pond according to claim 1 is characterized in that: the upper lateral part of described pressurized water district sidewall is provided with overflow port.
8. automatic backwashing biological filtering pond according to claim 1 is characterized in that: the branch road of described anti-detergent line is provided with the water intaking valve towards clear water zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102131907A CN101857310B (en) | 2010-06-30 | 2010-06-30 | Automatic backwashing biological filtering pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102131907A CN101857310B (en) | 2010-06-30 | 2010-06-30 | Automatic backwashing biological filtering pond |
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| Publication Number | Publication Date |
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| CN101857310A true CN101857310A (en) | 2010-10-13 |
| CN101857310B CN101857310B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102131907A Expired - Fee Related CN101857310B (en) | 2010-06-30 | 2010-06-30 | Automatic backwashing biological filtering pond |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081843A (en) * | 2011-11-04 | 2013-05-08 | 喃嵘水产(上海)有限公司 | Centralization indoor constant temperature circulation aquaculture system |
| US8800496B1 (en) | 2013-03-15 | 2014-08-12 | Stephen D. Roche | Self-cleaning pre-filter for a water circulation pump |
| CN104889098A (en) * | 2015-06-09 | 2015-09-09 | 广州骏鹏投资有限公司 | Automatic cleaning device |
| CN106973695A (en) * | 2017-03-16 | 2017-07-25 | 中国农业大学 | A kind of fish dish edible mushroom cogeneration system |
| CN107372262A (en) * | 2017-09-13 | 2017-11-24 | 何亮 | Environmental automatic pollutant removal formula aquaculture net cage |
| CN108640312A (en) * | 2018-05-24 | 2018-10-12 | 姚安迪 | A kind of efficient domestic sewage processing unit |
| CN108975636A (en) * | 2018-09-14 | 2018-12-11 | 江苏中车环保设备有限公司 | It is a kind of to propose marking device and system suitable for the processing of villages and small towns dispersant type domestic wastewater |
| CN111657220A (en) * | 2020-06-18 | 2020-09-15 | 张伟伟 | Fish tank filtering system capable of discharging sewage |
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| EP0016999A1 (en) * | 1979-03-12 | 1980-10-15 | SP Jürgen Schwarzer GmbH & Co KG | Biological filtration device for aquaria |
| CN1413925A (en) * | 2001-10-24 | 2003-04-30 | 三星工程株式会社 | Batch sewage treatment device using biofiltering method and its sewage treatment method |
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2010
- 2010-06-30 CN CN2010102131907A patent/CN101857310B/en not_active Expired - Fee Related
Patent Citations (5)
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| EP0016999A1 (en) * | 1979-03-12 | 1980-10-15 | SP Jürgen Schwarzer GmbH & Co KG | Biological filtration device for aquaria |
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Non-Patent Citations (1)
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081843A (en) * | 2011-11-04 | 2013-05-08 | 喃嵘水产(上海)有限公司 | Centralization indoor constant temperature circulation aquaculture system |
| CN103081843B (en) * | 2011-11-04 | 2015-01-14 | 喃嵘水产(上海)有限公司 | Centralization indoor constant temperature circulation aquaculture system |
| US8800496B1 (en) | 2013-03-15 | 2014-08-12 | Stephen D. Roche | Self-cleaning pre-filter for a water circulation pump |
| US10070629B2 (en) | 2013-03-15 | 2018-09-11 | Stephen D. Roche | Self-cleaning pre-filter for a water circulation pump |
| CN104889098A (en) * | 2015-06-09 | 2015-09-09 | 广州骏鹏投资有限公司 | Automatic cleaning device |
| CN106973695A (en) * | 2017-03-16 | 2017-07-25 | 中国农业大学 | A kind of fish dish edible mushroom cogeneration system |
| CN107372262A (en) * | 2017-09-13 | 2017-11-24 | 何亮 | Environmental automatic pollutant removal formula aquaculture net cage |
| CN108640312A (en) * | 2018-05-24 | 2018-10-12 | 姚安迪 | A kind of efficient domestic sewage processing unit |
| CN108975636A (en) * | 2018-09-14 | 2018-12-11 | 江苏中车环保设备有限公司 | It is a kind of to propose marking device and system suitable for the processing of villages and small towns dispersant type domestic wastewater |
| CN111657220A (en) * | 2020-06-18 | 2020-09-15 | 张伟伟 | Fish tank filtering system capable of discharging sewage |
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| Publication number | Publication date |
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| CN101857310B (en) | 2012-05-09 |
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