CN106115882A - A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater - Google Patents
A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater Download PDFInfo
- Publication number
- CN106115882A CN106115882A CN201610681453.4A CN201610681453A CN106115882A CN 106115882 A CN106115882 A CN 106115882A CN 201610681453 A CN201610681453 A CN 201610681453A CN 106115882 A CN106115882 A CN 106115882A
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- Prior art keywords
- filter
- water
- pretreatment
- granular membrane
- filtration device
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Classifications
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to the plunger type screen filtration device of a kind of pretreatment livestock breeding wastewater, including granular membrane, granular membrane is provided with water inlet, air inlet, outlet and mud discharging mouth, water inlet is positioned at granular membrane top, and is had into water water pump and compound pump by water intaking valve connection on water inlet;The filter screen that its inner space is separated into filter chamber and drip chamber it is provided with in granular membrane;Being provided with the pipe-line mixer connected with water inlet in granular membrane, pipe-line mixer is placed in filter chamber.Waste water is fed pipe-line mixer by water inlet, then flows into filter chamber, and the clear water after sieves net filtration is discharged by the discharge outlet of drip chamber bottom;Water inlet is connected with compound pump by pipeline and is fed in pipe-line mixer by pharmacy jar inner liquid medicine;Air inlet is connected with aerator by pipeline and air blasts the mud on drip chamber stripping filter screen, it is seen then that the present invention is simple to operate, can effectively filter the excrement solid impurity particle thing removed in waste water.
Description
Technical field
The invention belongs to animal husbandry field wastewater processing technology, particularly relate to the plunger type of a kind of pretreatment livestock breeding wastewater
Screen filtration device.
Background technology
Solid-liquid separation technique refers to separate the solid constituent in pollutant and liquid solution.According to solid-liquid separation mistake
The motive force of journey, can be divided into three major types: (1) settling methods, it is to utilize action of gravity to make solid by solid-liquid separating method
Grain sedimentation thus the method that reaches solid-liquid separation, industrial conventional equipment has Sedimentation tank, various thickeners etc.;(2) filter
Method, it is to utilize filtered driving force to borrow the method that filter medium realizes solid-liquid separation, is the method for the most frequently used acquisition clear liquid, conventional
Equipment is various types of filter;(3) centrifugal separation, it utilizes centrifugal action to make solid particles sediment and filtration
Method, under strong centrifugal action, the solid particle rapid subsidence that proportion is bigger forms mud cake on rotating cylinder inwall, isolated
Moisture forms liquid level, the speed discrepancy between helical form carrier and rotating cylinder in rotating cylinder on mud cake surface, makes mud cake by spiral
Carrier blade pinches is discharged at the conical outlet of rotating cylinder, isolated moisture then from the cylindrical end of rotating cylinder through overflow weir flow
Going out, the most frequently used equipment has sedimentation centrifuge and filter centrifugal etc..
Containing substantial amounts of excrement slag in breeding wastewater, solid content is the highest, disturbs the normal process of this kind of waste water, place up to standard always
Reason difficulty is big.At present, many plants have employed simple Washdown type granular membrane filtration treatment, and excrement slag and water separating effect are not
Substantially, manual operation intensity simultaneously is big;Part plant have employed belt filter press filtration treatment, but belt filter press feeds water
Pump lift is high, energy consumption is high, causes operating cost can not to be in any more, and enterprise is difficult to bear;Ye You plant uses coagulating sedimentation technology
Pretreatment breeding wastewater, solid-liquid separation effect is obvious, but dosing is very big, not only increases considerably operating cost, and
And add waste residue generation amount, improve solidification disposal of waste cost.Therefore, in breeding wastewater, the economical and effective of excrement slag separates is one
It is worth the problem of research.
Granular membrane is a kind of simple and effective filter plant, and cost is relatively cheap, at home and abroad industrial wastewater, city
City's sanitary wastewater and agricultural irrigation systems use extensively.The filtration mechanism of granular membrane is exactly the hole utilizing screen cloth,
It is retained down more than the impurity particle of pore-size, it is thus achieved that the fluid product of needs.Its Main Function is to filter out in waste water
Organic suspended matter, solid debris, the dirt such as silt.Granular membrane is in actual motion, and be easiest to generation is exactly screen cloth
Blocking, such as, when in waste water, organic suspended matter content is slightly higher, especially when pressure is bigger, substantial amounts of organic dirt can glue
On screen cloth and get in sieve screen apertures, causing filtration system water route smooth and blocking, therefore, screen cloth needs often to clean.
How to overcome conventional screen net filtration technology blockage problem and reduce the cleaning frequency, exploring more efficient filtering technique,
Become the starting point proposing the present invention.
Coagulation technology is to use coagulant to remove larger molecular organics and the common technology of colloidal solid thing in waste water, and it is made
With being to change the surface characteristic of colloidal solid by adding chemical agent, make scattered colloidal solid assemble and form bulky grain
Thing.The series of problems caused to solve screen filtration to block, the present invention develops one and changes waste water by coagulated agent
Middle particulate matter performance also makes its coacervating large particle thing, thus reduces Organic substance or small particle sticks on screen cloth, thus has
Effect solves screen filtration blockage problem.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of screen cloth will not block, without clean screen cloth and
The plunger type screen filtration device of stable pretreatment livestock breeding wastewater.
The plunger type screen filtration device of the pretreatment livestock breeding wastewater of the present invention, including granular membrane,
-described granular membrane is provided with water inlet, air inlet, outlet and mud discharging mouth, and described water inlet is positioned at described
Granular membrane top, and had into water water pump and compound pump by water intaking valve connection on water inlet;
It is provided with, in-described granular membrane, the filter screen that its inner space is separated into filter chamber and drip chamber;
Being provided with the pipe-line mixer connected with described water inlet in-described granular membrane, described pipe-line mixer is placed in
In described filter chamber.
Further, described filter screen includes that filtering skeleton is located at screen cloth thereon with opening, and described filtration skeleton is thick 3
~the stainless (steel) wire that 8mm, aperture are 5~10mm, described filter screen be aperture be rust steel matter net, the nylon of 0.075~1mm
Or filter cloth.
Further, described air inlet is positioned on described drip chamber side, and described air inlet is provided with intake valve, and passes through
Pipeline is connected with aerator.
Further, described mud discharging mouth is arranged on bottom described granular membrane and connects with described filter chamber, described row
Mud mouth is provided with mud valve.
Further, described outlet is positioned at bottom described drip chamber, and is provided with outlet valve on outlet.
Further, described compound pump is connected by pipeline pharmacy jar.
Further, described granular membrane is cylinder, and its inner chamber is radially divided into institute by described filter screen
State filter chamber and drip chamber.
Further, described filter chamber and drip chamber volume ratio are 10~50:1.
By such scheme, this is novel by improving water inlet and backwash mode and optimizing mesh size, effectively improves
Screen cloth by performance, simultaneously by adding medicament assosting effect in screen filtration process, improve the adhesiveness of particulate matter
With gathering performance, the strainability of screen cloth is greatly improved, hence it is evident that reduce backwash frequency, and simple to operate, energy consumption is low,
Stable, solve the problems such as conventional screen web filter blocks, backwash is frequent.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is experimental test tables of data.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
With reference to Fig. 1, the plunger type screen filtration device of pretreatment livestock breeding wastewater includes granular membrane 10, screen cloth mistake
Filter 10 is provided with water inlet 11, air inlet 12, outlet 13 and mud discharging mouth 14, and water inlet 11 is positioned at granular membrane 10 and pushes up
Portion, and have into water water pump 20 and compound pump 30 by water intaking valve 61 connection on water inlet 11, compound pump 30 is connected by pipeline
There is pharmacy jar 70;It is provided with in granular membrane 10 and its inner space is separated into filter chamber 15 and the filter screen of drip chamber 16
40;Being provided with the pipe-line mixer 50 connected with water inlet 11 in granular membrane 10, pipe-line mixer 50 is placed in filter chamber 15.
Air inlet 12 is arranged on granular membrane 10 side surface upper part, is connected with aerator 63 by pipeline, and air directly enters
Enter drip chamber 12;Outlet 13 is arranged on granular membrane 10 side lower, and drip chamber 16 internal water is discharged by outlet 13;Row
Mud mouth 14 is arranged on bottom granular membrane 10, connects with filter chamber 15.And on air inlet 12, it is provided with intake valve 62, mud discharging mouth
14 are provided with mud valve 64, and outlet 13 is provided with outlet valve 65.
Concrete, in the present invention, granular membrane 10 is cylinder, and its inner chamber was radially divided into by filter screen 40
Filter chamber 15 and drip chamber 16, filter chamber 15 and drip chamber 16 volume ratio are 10~50:1.Filter screen 40 include filter skeleton and
Be located at screen cloth thereon, filter skeleton be thick 3~8mm, aperture be the stainless (steel) wire of 5~10mm, filter screen is that aperture is
Rust steel matter net, nylon or the filter cloth of 0.075~1mm.
As the optimal way of the present embodiment, in the present embodiment, granular membrane 10 dischargeable capacity is 15L, a diameter of
200mm, vertical height is 0.5m, and the mesh number of filter screen 40 is 120 mesh, and the volume of the filter chamber 15 after separation is 12L, draining
Room 16 volume is 3L;Water inlet 11 is positioned at directly over granular membrane 10, air inlet 12 away from granular membrane 10 top 0.05m,
Outlet 13 is 0.05m bottom granular membrane 10, and mud discharging mouth 14 is positioned at immediately below granular membrane 10;Water inlet 11, enter
QI KOU 12, mud discharging mouth 14, outlet 13 are all equiped with electrodynamic valve;Medicament is respectively adopted aluminium polychlorid and polyacrylamide PAM.
The operation principle of the present invention is:
Opening water inlet water pump 20, waste water enters the filtration of granular membrane 10 by water inlet water pump 20 through pipe-line mixer 50
In room 15;Opening compound pump 30, medicament enters the filtration of granular membrane 10 by compound pump 30 through pipe-line mixer 50 simultaneously
In room 15, medicament and waste water mixed merga pass filter screen 40 in filter chamber 15 is discharged by outlet 13;When wastewater flow subtracts
After little 50%, close down into water water pump 20 and compound pump 30 water intaking valve 61 closing on water inlet 11, open aerator 63, pressure
Air enters drip chamber 16 and through filter screen 40 stripping surface sludge by aerator 63, in company with mud together from filter chamber
Mud discharging mouth 14 bottom 15 is discharged, and aerator 63 working time is 2 minutes, after spoil disposal terminates, close down aerator 63 and close into
Air valve 62 and mud valve 64, be then turned on into water water pump 20 and compound pump 30 and open water intaking valve 61, normally working.
The waste water object that test processes is breeding wastewater, and concentration of suspension is 8000~15000mg/m3, result of the test is shown in
Fig. 2.In granular membrane 10 running, pipe-line mixer 50 flow velocity is 7.5m/s, and filter screen 40 water flux is 4m3/
(m2.h), filter screen 40 backwash air flux is 100m3/(m2.h), medicament aluminium polychlorid consumption is 2g/L, PAM consumption
For 100mg/L.Running 2 days continuously, removal efficiency is stable 90%~96%, and backwash number of times is 1 time/h.
Above result of study is compared with existing screen filtration technology, and filter efficiency is higher, stable, and clogging is relatively
Few.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and
Modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. the plunger type screen filtration device of a pretreatment livestock breeding wastewater, it is characterised in that: include granular membrane,
-described granular membrane is provided with water inlet, air inlet, outlet and mud discharging mouth, and described water inlet is positioned at described screen cloth
Filter top, and had into water water pump and compound pump by water intaking valve connection on water inlet;
It is provided with, in-described granular membrane, the filter screen that its inner space is separated into filter chamber and drip chamber;
Being provided with the pipe-line mixer connected with described water inlet in-described granular membrane, described pipe-line mixer is placed in described
In filter chamber.
The plunger type screen filtration device of pretreatment livestock breeding wastewater the most according to claim 1, it is characterised in that: institute
Stating filter screen and include that filtering skeleton is located at screen cloth thereon with opening, described filtration skeleton is 5~10mm for thickness 3~8mm, aperture
Stainless (steel) wire, described filter screen be aperture be rust steel matter net, nylon or the filter cloth of 0.075~1mm.
The plunger type screen filtration device of pretreatment livestock breeding wastewater the most according to claim 1, it is characterised in that: institute
Stating air inlet to be positioned on described drip chamber side, described air inlet is provided with intake valve, and is connected with aerator by pipeline.
The plunger type screen filtration device of pretreatment livestock breeding wastewater the most according to claim 1, it is characterised in that: institute
Stating mud discharging mouth be arranged on bottom described granular membrane and connect with described filter chamber, described mud discharging mouth is provided with mud valve.
The plunger type screen filtration device of pretreatment livestock breeding wastewater the most according to claim 1, it is characterised in that: institute
State outlet to be positioned at bottom described drip chamber, and on outlet, be provided with outlet valve.
The plunger type screen filtration device of pretreatment livestock breeding wastewater the most according to claim 1, it is characterised in that: institute
State compound pump and have pharmacy jar by pipeline connection.
7., according to the plunger type screen filtration device of the pretreatment livestock breeding wastewater described in any one of claim 1-6, it is special
Levy and be: described granular membrane is cylinder, its inner chamber by described filter screen be radially divided into described filter chamber and
Drip chamber.
The plunger type screen filtration device of pretreatment livestock breeding wastewater the most according to claim 7, it is characterised in that: institute
State filter chamber and drip chamber volume ratio is 10~50:1.
Priority Applications (1)
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CN201610681453.4A CN106115882A (en) | 2016-08-18 | 2016-08-18 | A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater |
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CN201610681453.4A CN106115882A (en) | 2016-08-18 | 2016-08-18 | A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater |
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CN201610681453.4A Pending CN106115882A (en) | 2016-08-18 | 2016-08-18 | A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2726699Y (en) * | 2003-12-22 | 2005-09-21 | 农业部沼气科学研究所 | Bi-directional flowing solid and liquid separating device |
CN202898106U (en) * | 2012-11-06 | 2013-04-24 | 南京城建环保水务投资有限公司 | Backwash-free self-flow type mud water separating device for aerobic pool |
CN203295311U (en) * | 2013-06-09 | 2013-11-20 | 北京赛科康仑环保科技有限公司 | Anti-blocking anti-scaling pretreatment device for high-concentration ammonia nitrogen wastewater |
CN203618581U (en) * | 2013-11-12 | 2014-06-04 | 常州日美水产科技有限公司 | Swirling flow type screen filter system |
CN204058125U (en) * | 2014-08-30 | 2014-12-31 | 青州联华化工有限公司 | A kind of line mixer |
CN204325076U (en) * | 2014-12-01 | 2015-05-13 | 南京宏博环保实业有限公司 | A kind of livestock breeding wastewater denitrogenation dephosphorizing treatment system |
CN105776623A (en) * | 2014-12-17 | 2016-07-20 | 郭牡丹 | Integrated treatment equipment for coal washing wastewater |
CN206219287U (en) * | 2016-08-18 | 2017-06-06 | 苏州首创嘉净环保科技股份有限公司 | A kind of plunger type screen filtration device for pre-processing livestock breeding wastewater |
-
2016
- 2016-08-18 CN CN201610681453.4A patent/CN106115882A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2726699Y (en) * | 2003-12-22 | 2005-09-21 | 农业部沼气科学研究所 | Bi-directional flowing solid and liquid separating device |
CN202898106U (en) * | 2012-11-06 | 2013-04-24 | 南京城建环保水务投资有限公司 | Backwash-free self-flow type mud water separating device for aerobic pool |
CN203295311U (en) * | 2013-06-09 | 2013-11-20 | 北京赛科康仑环保科技有限公司 | Anti-blocking anti-scaling pretreatment device for high-concentration ammonia nitrogen wastewater |
CN203618581U (en) * | 2013-11-12 | 2014-06-04 | 常州日美水产科技有限公司 | Swirling flow type screen filter system |
CN204058125U (en) * | 2014-08-30 | 2014-12-31 | 青州联华化工有限公司 | A kind of line mixer |
CN204325076U (en) * | 2014-12-01 | 2015-05-13 | 南京宏博环保实业有限公司 | A kind of livestock breeding wastewater denitrogenation dephosphorizing treatment system |
CN105776623A (en) * | 2014-12-17 | 2016-07-20 | 郭牡丹 | Integrated treatment equipment for coal washing wastewater |
CN206219287U (en) * | 2016-08-18 | 2017-06-06 | 苏州首创嘉净环保科技股份有限公司 | A kind of plunger type screen filtration device for pre-processing livestock breeding wastewater |
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