CN109970149A - Big flow intelligence rotary drum Microfilter - Google Patents
Big flow intelligence rotary drum Microfilter Download PDFInfo
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- CN109970149A CN109970149A CN201910152134.8A CN201910152134A CN109970149A CN 109970149 A CN109970149 A CN 109970149A CN 201910152134 A CN201910152134 A CN 201910152134A CN 109970149 A CN109970149 A CN 109970149A
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- China
- Prior art keywords
- rotary drum
- microfilter
- big flow
- control
- support shaft
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- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of big flow intelligence rotary drum Microfilter, which includes: basic machine part and its control system.Wherein, rotary drum uses coaxial design, solves the problems, such as that rotary drum installation difficulty looks for concentric circles, so that rotary drum operating is more steady;Rotary drum entirety Liftable, is easy for installation and maintenance;Decelerating motor overhead, the risk being flooded when having evaded system jam;Transmission system uses unlubricated chain conveyer, convenient for safeguarding, environmentally protective.The control system of Microfilter is equipped with common and advanced both of which, so that the control to the Microfilter course of work is more comprehensively reliable.Big flow rotary drum Microfilter of the invention can be used for removing the suspended particulate substance in aquaculture system, solve the problems, such as that current aquacultural engineering equipment lacks the rotary drum Microfilter that can handle big flow water body, in addition, the both of which and control system deposited also assures Microfilter reliability of operation.
Description
Technical field
The invention belongs to aquacultural engineering water treatment field, especially a kind of big flow intelligence rotary drum Microfilter.
Background technique
FAO (Food and Agriculture Organization of the United Nation) (FAO) report display: with the sustainable growth of world population, people of the people to edible fish products
Equal consumption demand increases to 20.2 kilograms in 2015 from 9.0 kilograms of 1961, according to a preliminary estimate about 20.5 kilograms in 2017.
But the increase of this demand is no longer to be maintained by having kept the fishing fishery of maintenance level, but supported by aquatic products
It grows.World aquaculture yield annual average rate of increase from 2009 to 2014 is 23.5%.Currently, about 44% in world wide
Consumption fish be cultivation, be up to 52% to this ratio in 2025 are estimated.In order to meet consumption demand, in recent years, circulation
Water cultivating system because cultivation density is big, yield is high, food safety, save water and soil resources and it is sustainable the advantages that development it is swift and violent.
In the breeding process, due to the continuous accumulation of the wastes such as residual bait and excrement, harmful suspend admittedly can be generated in systems
Body particulate matter, these solid particles may contain the meeting welding quality such as nitrogen, phosphorus and pathogen and damage cultivation object and people
The harmful components of body health.This makes an important process in aquaculture water treatment technology.Rotary drum declines
Filter can achieve the purpose that separation of solid and liquid by suspended solid particles object in the microscreen on surface retention aquaculture wastewater.
Current country's rotary drum micro-filtration machine equipment is also in low discharge (200m3/ h or less), the Experience Design fabrication stage, letter
Single rough Microfilter method of operation reduces efficiency and the market competitiveness, there is power consumption, water consumption is big the problems such as, economy is suitable
It is poor with property, it is difficult to meet the actual demand of user.The driving method of current Microfilter rotary drum is mostly the side-mounted driving of motor,
When water level rising or system jam, there is the risks being flooded not.In addition, the backwash of Microfilter generally has two
Kind mode: timing method and liquid level method.Timing method is the start-stop time that Microfilter is set by the time relay, but due to water
Particle content in body is 1~2 hour in variation, especially after cultivation object is ingested, and timing method can not basis
The content of particulate matter adjusts, and be easy to cause backwash that overflow or backwash occur not in time excessively.But timing method exists
Liquid level method when something goes wrong, will embody the practicality.Liquid level method is monitored by the liquid-level switch in Microfilter rotary drum
Liquid level is relatively reliable compared to timing method to control the start and stop of Microfilter, but when liquid-level switch breaks down, such as
Fruit will lead to Microfilter to the filtering of solid particulate matter not in time can not cope with the relatively inexpensive operating mode of such situation
Subsequent water treatment procedure is influenced, and then influences the performance of whole system.The control that therefore, it is necessary to design multiple-working mode and deposit
System.The trend that circulating water cultivation develops towards extensive, standardization direction is engineered in industrial circulating water cultivating and pond
Under, the research and development of big flow intelligence rotary drum Microfilter are imperative.
" National Agricultural Sustainable Development Planning (2015-2030) ", " Ministry of Agriculture turns mode tune about propulsion fishery is accelerated
The instruction of structure ", " the 13rd five-year-plan of national Fisheries Development ", " Agricultural Machinery Equipment developing activity scheme (2016-
" etc. 2025) associated documents are pointed out: " Gonna breakthrough culture environment of aquatic products Intelligentized regulating and controlling and equipment Safeguard key technology develop facility
Change cultivation water regulation, precisely feed, mechanization managing and control system etc. is equipped ".Therefore research and development big flow intelligence rotary drum Microfilter
It is of great significance.
Summary of the invention
The present invention is directed to disadvantages mentioned above and problem, proposes a kind of big flow intelligence rotary drum Microfilter.
To achieve the goals above, the present invention is realized using following technical scheme:
A kind of big flow intelligence rotary drum Microfilter, including basic machine part and its control system.Basic machine part
Including rack, decelerating motor, counter-flushing pipeline, rotary drum, support shaft;
Wherein, support shaft runs through rotary drum center, and support shaft both ends are respectively cased with a support shaft fixed mechanism, two support shafts
Fixed mechanism is respectively clamped into two support bases of welding on the rack, and support shaft fixed mechanism and support between centers are equipped with bearing;
Decelerating motor is arranged in frame top, is connected by unlubricated chain with rotary drum, and counter-flushing pipeline is arranged in rack
On, one end connects backwashing pump, and the other end is equipped with back flushing nozzle, and when backwash, backwashing water passes through back flushing nozzle injection
Onto the strainer of drum surface;
The rotary drum micro-filtration machine control system includes central processing unit, is connected with decelerating motor, backwashing pump.
It is further, described that high, low two liquid levels are additionally provided in rotary drum Microfilter in above-mentioned technical proposal
Switch, is connected with central processing unit.
Further, the automatic detection dress of particle size distribution is provided at the water inlet pipe of the rotary drum Microfilter
It sets, RGB wide-angle depth camera is installed in rotary drum, is connected with central processing unit.
For control system, control mode has general control and advanced two kinds of control, has in general control manually, certainly
Dynamic and 3 kinds of timing and the operating mode deposited, manual work pattern is that opening for backwash is controlled by manually controlling backwashing pump
Stop;In automatic mode, control system controls backwash process by the triggering and reset of two liquid-level switches;In timing mould
Under formula, control system controls time and the frequency of backwash by timer.Pass through grain object particle diameter distribution in advanced control
Automatic detection device and RGB wide-angle depth camera control backwash process.Automatic detection dress is distributed by particle size
It sets to make a decision the high efficiency selected of strainer, the spot distribution that screen surface is sticked is shot by RGB wide-angle depth camera,
Image depth information is obtained by central processing unit, to make a decision the start and stop of backwash according to depth information.
Further, the frame top is additionally provided with aisle.
Present invention is characterized in that
Microfilter rotary drum of the present invention uses coaxial design, solves the problems, such as that rotary drum routine support roller installation difficulty looks for concentric circles.
Traditional rotary drum Microfilter mostly uses double supporting wheel to support, this proposes higher requirement to its processing and installation precision, and big
Fulcrum supports rotary drum in the use of flow Microfilter, i.e. the manufacture and installation accuracy of rotary drum can be significantly reduced in coaxial design, and makes
It is more steady to obtain its operating.
On-fixed connects between the rotary drum and rack of Microfilter of the present invention, and whole Liftable is easy for installation and maintenance.When turn
When strainer damage or strainer service life on drum need replacing after expiring, working efficiency can be greatlyd improve.
The rotary drum motor of Microfilter of the present invention uses overhead, the risk being flooded when having evaded system jam.It drives
The motor of rotary drum is placed in the top of rack, will not be flooded not when backwashing or water level breaks down.
The transmission system of Microfilter of the present invention uses unlubricated chain conveyer, convenient for safeguarding, environmentally protective.Aquaculture is to water
Environmental requirement is higher, and culture environment of aquatic products is more complicated, using unlubricated plastics chain conveyer corrosion resistance and good, and without adding
Lubricating oil is infused, breeding water body will not be polluted.
The control system of Microfilter is equipped with common and advanced both of which, so that more to the control of the Microfilter course of work
Reliably.For manual mode, the start and stop of rotary drum decelerating motor and backwashing pump can be controlled at any time;For automatic mode, rotary drum
The start and stop of decelerating motor and backwashing pump can be by the liquid-level switch co- controlling of two different location height;For timing mould
Formula can set operation and the interval time of backwash according to water quality situation, such especially when liquid-level switch breaks down
Operating mode is relatively inexpensive.For fine mode, then more meet water quality fining control under 4.0 development trend of aquaculture
It is required that.
In short, the beneficial effects of the present invention are:
Rotary drum of the present invention uses coaxial design, solves the problems, such as that rotary drum conventional mounting difficulty looks for concentric circles, so that rotary drum is transported
Turn more steady;Whole Liftable, is easy for installation and maintenance;Rotary drum motor overhead is flooded when having evaded system jam
Risk;Transmission system uses unlubricated chain conveyer, convenient for safeguarding, environmentally protective.The control system of Microfilter be equipped with it is common and
Advanced both of which, so that relatively reliable to the control of the Microfilter course of work.Big flow rotary drum Microfilter of the invention can
For removing the suspended particulate substance in breeding water body, big flow cultivation can be handled by solving current aquacultural engineering equipment shortage
The problem of rotary drum Microfilter of water body, both of which and the control system deposited also assure Microfilter reliability of operation.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the isometric side view of big flow intelligence rotary drum Microfilter in the present invention.
Fig. 2 is big flow intelligence rotary drum Microfilter support construction schematic diagram in the present invention.
Fig. 3 is a kind of specific control flow chart of big flow intelligence rotary drum micro-filtration machine control system in the present invention.
Fig. 4 is big flow intelligence rotary drum Microfilter fine mode schematic diagram in the present invention.
In figure: 1. racks;2. unlubricated chain;3. decelerating motor;4. back flushing nozzle;5. counter-flushing pipeline;6. aisle;
7. rotary drum;8. support shaft fixed mechanism;9. support shaft;10. support base;11. particle size is distributed automatic detection device;
12.RGB wide-angle depth camera.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
The isometric side view and support construction schematic diagram of big flow rotary drum Microfilter are as illustrated in fig. 1 and 2, mainly by rack
1, unlubricated chain 2, decelerating motor 3, back flushing nozzle 4, counter-flushing pipeline 5, aisle 6, rotary drum 7, support shaft fixed mechanism 8,
Support shaft 9 and support base 10 form.Microfilter is that the strainer by being fixed on rotary drum 7 filters the suspended particulate substance in water body
Out, it is separated by solid-liquid separation with realizing.
Rack 1 is stainless steel hollow pipe, is used to support Microfilter rotary drum 7.
The power exported from decelerating motor 3 is passed to rotary drum 7 by unlubricated chain 2, is allowed to operate.
When backwash, backwashing water is ejected on the strainer of drum surface by counter-flushing pipeline 5 through back flushing nozzle 4,
Strainer is backwashed.
Aisle 6 can be used as manual maintenance or overhaul Microfilter when walking passageway, due to big flow rotary drum Microfilter compared with
Greatly, when there is the problems such as blocking of back flushing nozzle 4, if the place that the top of micro-filtration machine frame can not walk, this will
Inconvenience is brought to the maintenance of Microfilter, therefore is provided with aisle 6.
Strainer size on rotary drum 7 and its surface determines water treatment capacity, and preferably diameter is 1800mm in the present embodiment,
Length is the rotary drum of 2000mm, and theoretical filtering traffic (aperture of filter screen is 150 mesh) is up to 1000m3/h。
8 built-in bearing of support shaft fixed mechanism covers at the both ends of rotary drum support shaft 9, and is caught in the branch being welded in rack 1
It supports in seat 10, rotary drum 7 is fixed with this.
High, low two liquid-level switches, RGB wide-angle depth camera 12 and peace are additionally provided in rotary drum Microfilter
Particle size at water inlet pipe is distributed automatic detection device 11, is connected with the central processing unit in control system, in
Central processor is connected with decelerating motor, backwashing pump.
Big flow intelligence rotary drum Microfilter control system flow chart is as shown in figure 3, by general control and advanced control two
Kind mode composition, general control contain manual, automatic and 3 kinds of modes of timing again.
In ordinary control mode, when circulation operation, in a manual mode, it can control according to actual needs
The backwash of Microfilter.The water body to be filtered is filtered by the strainer on Microfilter rotary drum 7, when filter net jam receiving is larger
Pressure when, backwash process can be started by pressing backwash button at this time, and depending on the effect of backwash come determine when
Stop backwash.Manual mode is generally used in installation Microfilter, demonstration and other mode failures evens for the first time using less.
In automatic mode, control system controls backwash process by the triggering and reset of two liquid-level switches.This
Two liquid-level switches height is different, one high and one low, for monitoring the water level in rotary drum, can use mode control as follows: when by
When filter net jam leads to that water level rises to high level switch position in rotary drum, two switches are triggered, at this time starting recoil
Journey is washed, after a period of time, due to backwash so that strainer becomes unimpeded, when water level decreasing is following to low liquid level switch, two
Switch resets.At this point, stopping backwash process, Microfilter enters next duty cycle again.Automatic mode is compared with manual mode
Improve the automatization level of Microfilter.
Under timing mode, control system controls time and the frequency of backwash by timer.The mode and automatic
Mode can form complementary relationship, can use timing mode, when liquid-level switch breaks down to guarantee in time
Filter the suspended particulate substance in water body.
In advanced control model, it can be equipped with a variety of strainer channels of different pore size on rotary drum Microfilter, pass through installation
Particle size in Microfilter water inlet pipe front end is distributed automatic detection device 11, is distributed to the particle size in breeding water body
It is timed quantization, strainer channel is selected according to quantized result.Then it is taken the photograph by being mounted on the RGB wide-angle depth inside Microfilter
Camera 12 carries out extract real-time, quantization to the spot distribution characteristics being attached on strainer, is made a decision according to quantized result and when is opened
Backwash is opened, as carried out extraction of depth information to image captured by RGB wide-angle depth camera by central processing unit, is obtained
Depth information is (using 9 layers of residual error dense network (residual dense network, RDN) to RGB wide-angle depth camera
The depth image of acquisition carries out depth information modeling), a certain range then starts backwash when being more than, while according to spot distribution spy
Sign makes a decision the flushing range of different back flushing nozzles 4, and backwash rate stops backwash when screen surface is rinsed well.Phase
Than in general mode, fine mode is more accurate.
Above-described embodiment only technical concept to illustrate the invention, feature and advantage, its object is to allow be familiar with this skill
The people of art can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, all according to this
Equivalent change or modification made by spirit essence, should be covered by the scope of protection of the present invention.
Claims (8)
1. a kind of big flow intelligence rotary drum Microfilter, which is characterized in that including rack (1), decelerating motor (3), backwash tube
Road (5), rotary drum (7), support shaft (9);
Wherein, support shaft (9) runs through rotary drum (7) center, and support shaft both ends are respectively cased with a support shaft fixed mechanism (8), and two
Support shaft fixed mechanism (8) is respectively clamped into two support bases (10) being welded on rack (1), support shaft fixed mechanism (8)
Bearing is equipped between support shaft (9);
Decelerating motor (3) setting is connected by unlubricated chain (2) with rotary drum (7) at the top of rack (1), counter-flushing pipeline (5)
It is arranged on the rack, one end connects backwashing pump, and the other end is equipped with back flushing nozzle (4), and when backwash, backwashing water passes through anti-
Flooding nozzle (4) is ejected on the strainer of drum surface;
In addition, the rotary drum Microfilter is additionally provided with control system, control system includes central processing unit, with decelerating motor, recoil
Pump is washed to be connected.
2. big flow intelligence rotary drum Microfilter according to claim 1, which is characterized in that in rotary drum Microfilter also
Equipped with high, low two liquid-level switches, it is connected with central processing unit.
3. big flow intelligence rotary drum Microfilter according to claim 2, which is characterized in that the rotary drum Microfilter
Water inlet pipe at be provided with particle size distribution automatic detection device (11), RGB wide-angle depth camera is installed in rotary drum
Machine (12), is connected with central processing unit.
4. big flow intelligence rotary drum Microfilter according to claim 3, which is characterized in that the control of the rotary drum Microfilter
Mode processed has general control and advanced two kinds of control.
5. big flow intelligence rotary drum Microfilter according to claim 4, which is characterized in that set in the general control
There are manual, automatic, three kinds of operating modes of timing, manual work pattern is to control backwash by manually controlling backwashing pump
Start and stop;In automatic mode, control system controls backwash process by the triggering and reset of two liquid-level switches;In timing
Under mode, control system controls time and the frequency of backwash by timer.
6. big flow intelligence rotary drum Microfilter according to claim 4, which is characterized in that lead in the advanced control
The testing result of particle size distribution automatic detection device (11) is crossed to select strainer channel.
7. big flow intelligence rotary drum Microfilter according to claim 4, which is characterized in that adopted in the advanced control
The spot distribution that screen surface is sticked is shot with RGB wide-angle depth camera (12), central processing unit is transmitted to, in
Central processor processing obtains depth information, and the start and stop of backwashing pump are controlled according to depth information.
8. big flow intelligence rotary drum Microfilter according to claim 1, which is characterized in that the frame top setting
There are aisle (6).
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CN201910152134.8A CN109970149A (en) | 2019-02-28 | 2019-02-28 | Big flow intelligence rotary drum Microfilter |
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CN201910152134.8A CN109970149A (en) | 2019-02-28 | 2019-02-28 | Big flow intelligence rotary drum Microfilter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114534353A (en) * | 2022-01-27 | 2022-05-27 | 江门市渔盟渔业机械有限公司 | Rotary drum type micro-filter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101766142A (en) * | 2009-09-28 | 2010-07-07 | 中国水产科学研究院渔业机械仪器研究所 | Method and filtering system for removing solid suspended particles from aquaculture system |
CN204233867U (en) * | 2014-10-28 | 2015-04-01 | 常州德洛菲特过滤系统有限公司 | Radial rotary drum micro-filter and filter cylinder thereof |
CN205182325U (en) * | 2015-11-16 | 2016-04-27 | 北京华夏源洁水务科技有限公司 | Driven type rotary drum (cone -element) micro -filtration device |
CN108849706A (en) * | 2018-07-10 | 2018-11-23 | 浙江大学 | Full automatic high efficiency pollutant-removing system for the cultivation of pond circulation water |
-
2019
- 2019-02-28 CN CN201910152134.8A patent/CN109970149A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101766142A (en) * | 2009-09-28 | 2010-07-07 | 中国水产科学研究院渔业机械仪器研究所 | Method and filtering system for removing solid suspended particles from aquaculture system |
CN204233867U (en) * | 2014-10-28 | 2015-04-01 | 常州德洛菲特过滤系统有限公司 | Radial rotary drum micro-filter and filter cylinder thereof |
CN205182325U (en) * | 2015-11-16 | 2016-04-27 | 北京华夏源洁水务科技有限公司 | Driven type rotary drum (cone -element) micro -filtration device |
CN108849706A (en) * | 2018-07-10 | 2018-11-23 | 浙江大学 | Full automatic high efficiency pollutant-removing system for the cultivation of pond circulation water |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114534353A (en) * | 2022-01-27 | 2022-05-27 | 江门市渔盟渔业机械有限公司 | Rotary drum type micro-filter |
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