CN1062852A - Antifouling gap filter device - Google Patents
Antifouling gap filter device Download PDFInfo
- Publication number
- CN1062852A CN1062852A CN 90110006 CN90110006A CN1062852A CN 1062852 A CN1062852 A CN 1062852A CN 90110006 CN90110006 CN 90110006 CN 90110006 A CN90110006 A CN 90110006A CN 1062852 A CN1062852 A CN 1062852A
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- Prior art keywords
- discharge orifice
- orifice plate
- filter
- antifouling
- aperture
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Abstract
The present invention is a kind of antifouling gap filter device, be meant the device of the outstanding absurd creature sedimentation separation of fluid (waste gas, waste water) especially, it mainly is the natural filtration floor formation district in the groove of coagulation sedimentation rapidly groove commonly used, antifouling gap filter device is set, can form the filtration identical moment and do not block by this device with the filter material function, also needn't use traditional back washing equipment to reach cleaning performance, main is its restriction that can break through filter area, and differs from traditional new invention.
Description
But the invention relates to the fluid absurd creature particle pressure filtering innovative design of antifouling continued operation again, be meant the filter of the outstanding absurd creature sedimentation separation of fluid (waste gas, waste water) especially.
Environmental pollution has become the main public hazards in the world, and waste gas, sewage, these three kinds of byproducts that industrial development is derived of dirt, more and more serious trend is arranged, each advanced country of the world, countless manpowers and reasearch funds have been cast, still can't effectively overcome above-mentioned public hazards, with regard to ring worker technology, at present aspect chemical treatment, the flocculation aid of polyelectrolyte, be the most significant technological break-through, yet in precipitation, filter and technical elements that mud concentrates, remain the industrial technology that is stuck in 19th-century latter stage and use, so make each factory perplex very much, because spend the waste water that huge funds are done sometimes, Litter is handled engineering, still can't reach environmental protection responsible institution's test stone.
Generally speaking, desire is taken out outstanding absurd creature (physical property) nothing more than two kinds of methods from fluid: the one, filter, and the 2nd, precipitation.The so-called filtration is exactly to use all filter materials, its effect is to hinder passing through of turbid particle with the mode that stops, and obtain clean water, but be filtered into means with filter material, no matter use any device, the shortcoming that all has it to overcome: when the filter material hole was too big, though do not block and can handle a large amount of water, the water quality that is produced must be not meet the use standard; When the filter material hole too hour, though the water quality that can obtain, but filter cycle is too short, water withdrawal does not apply and uses, often back washing.Therefore, general filter have to adopt that obstruction neither very accurate filter material not too easily when selecting the size of filter material.But, the filter under this condition, the filtration result Bi Jing of the outstanding absurd creature in the convection cell is limited, so the present pre-treatment that cooperates is exactly a coprecipitation mode.Simple settling apparatus also just alleviates the load of some physical property suspension particles to filter plant, if also be helpless for the outstanding absurd creature of the glue of some molecule critical conditions.Therefore the medicament of chemically annotating again makes it produce agglutination, increases the volume and weight of absurd creature particle, makes it quicken settling velocity, obtains a large amount of last clarification of waters, alleviates the burden of filtering filter material, increases filter cycle, reaches the purpose of processing.
So, just inquire into its also the same shortcoming that has it to overcome with filter with the design fundamentals of settler:
Filter design basis: Q(m
3/ hr)=A(m
2) V(m/hr)
Settler design basis: Q(m
3/ hr)=A(m
2) V/U(m/hr)
Can learn that from above-mentioned formula the moment flow Q size of fluid treatment can only strive at filter area A, because if then desiring to obtain big moment flow too slowly, filtration flow-rate V then must strengthen filter area, flow velocity strengthens and can produce absurd creature perforation leakage again, influences water quality.In addition, when the filtration cycle stopped, the back washing effect can not be exempted equally, and this is a great problem that can't break through at present.
Settling apparatus also can be inquired into from above-mentioned formula, its condition is the same with filtering, moment flow Q obtains the condition that is limited by fluid rate of climb U and turbid particle decrease speed V, that is to say when V＜U, then suspension particle can be subjected to the election of upflow velocity and produce what is called overflowing, natural sludge suspension layer in the stillpot just can't produce, certainly also just can not get good last clarification of water, particle is subjected to the interference of eddy current simultaneously, also can't produce sedimentation effect completely, so not strengthening desilting area A can't overcome, if strengthen the desilting area method for designing of present settler just, can produce the following shortcoming that can't overcome too: the one, floor space is big, and the 2nd, the scope of the big same bottom of desilting area sludge settling layer strengthens, mud can't active set in, this is more thorny when wastewater treatment.
Present all in the world precipitation and filter plants are nothing more than being following mode: utilize good medicament and coagulation, make suspension increased area and weight in the fluid, make it increase the precipitation apparatus of sedimentation.For example: pulsating settler and precipitation are quickened inclined tube body settler.The former utilizes pulsation intermittently to rise to make in the fluid suspension particle to form the outstanding turbid filter course of nature to be beneficial to and to obtain clear overflow processing water, the natural formation of this outstanding turbid filter course need just can obtain effect preferably under the well-proportioned condition of rectification effect in one period long duration, as this device shut-down operation, should hang turbid filter course because of losing the support of unlifting pressure, just destroy at once and need start anew when form next time, this is the most serious the heel of Achilles.And the quick aggegation device of the so-called inclined tube body of the latter, though through my actual fabrication experience very significant acceleration precipitation is arranged, still can't be as the described effect of theoretical formula; This inclined tube in fact just will outstanding naturally the existing more specific of turbid filter course and with, because in the honey comb like square tube shape of intersection, just strengthen its rectification effect, make the aggegation suspension reduce eddy current produce improve sedimentation effect and with, inclined tube is quite difficult on making, if simultaneously very significant overflow phenomena is still arranged during V＜U, and the occupied space of inclined tube material, remain a big factor that reduces desilting area.
In sum, no matter the removal of suspension is that precipitate and separate formula filter material filters the existence that does not all break away from a kind of filter material in the present convection cell, for example outstanding naturally turbid filter course and filter material; The former is a kind of virtual, must keep a rising top power forever, and the latter then is that obstruction can not be exempted in filter footpath, and the back washing effect can not exempt, so industry can't break through wooden handcuff fetters on this device at present.
I was engaged in the water treatment real work for 20 years, putting the most serious problem through the present ring of thorough understanding frock is exactly: 1. the dewater unit of thickened sludge reaches upward breakthrough of practicality technically, about this respect technology, I have broken through the fatal bottleneck of current sludge dehydration device, to break away from traditional processing method fully, with the most easy mechanical device, complete successfully design, and win DRP on September 8th, 1989.2. the too big and heavy slow-paced problem of intelligence of aggegation suspension of settling apparatus floor space.
The objective of the invention is to provide a kind of antifouling gap filter device, and this device can form the filtration identical with the filter material function moment and not block, and also needn't use traditional back washing equipment to reach cleaning performance.
The object of the present invention is achieved like this: mud natural filtration floor forms the height and position place in district in stillpot, install an antifouling gap filter device, this device has the identical discharge orifice plate of the arrangement position in length and breadth that respectively is processed with many same apertures and aperture on two same sizes, the plate face, this discharge orifice plate left and right sides places in the set chute of stillpot inner barrel wall, and two laminar flow orifice plates are closely overlapping and can make horizontal reciprocating movement up and down; Discharge orifice plate one end on the upper strata has level front and back micromatic setting, and the oscillator power source of horizontal equidistance motion is arranged at discharge orifice plate one end of lower floor, can do adjustable equidistant horizontal movement with the vibration cycle of an oscillator, the periphery of the end and face around two laminar flow orifice plates, with the synthetic rubber is material, makes to become discharge orifice plate edge and precipitate to do the fine-tuning leak stoppage device of bridge formation formula.When upper stream orifice plate tuning plate distance, when making the aperture become a gap with the aperture of the discharge orifice plate of lower floor, the underflow orifice plate imposes the front and back cutting movement equidistant with the aperture, then must form the identical crack alive discharge orifice of countless fine setting gaps on upper strata fixed flow orifice plate and the lower floor portable plate face.When living crack discharge orifice layer action, but must form and the identical filtration of a kind of filter material function moment, and when moving all standing, it can revert to the very big and discharge orifice plate that can not block of discharge orifice again at once, and the absurd creature that particle diameter is no more than the discharge orifice panel aperture can not block.So, needn't use traditional back washing equipment and reach the removing effect.
The present invention is because the crack discharge orifice of living remains under a kind of choke free state in use forever, form a kind of compulsory filter course, so this device is in heavy intelligence groove commonly used, the moment flow velocity must be born faster, so just bigger moment flow can be under the condition that does not increase desilting area, obtained.
Concrete structure of the present invention is provided by following examples and accompanying drawing formula.
Fig. 1 is embodiments of the invention figure.
Fig. 2 is a cut-away view of the present invention.
Fig. 3 is the schematic diagram of discharge orifice plate.
Fig. 4-the 1st, the cut-away view when the discharge orifice plate is not finely tuned.
Fig. 4-the 2nd, the static cut-away view in discharge orifice plate fine setting back.
Fig. 4-the 3rd, the discharge orifice that produces when the discharge orifice plate level moves back and forth footpath schematic diagram.
See also graphic, the present invention is including former water inlet 11, settling zone 12, concentration zones 13, mud natural filtration floor forms the height and position place in district in the groove of coagulation sedimentation rapidly 1 of sludge outlet 14 and last clarification of water outlet 15, install an antifouling gap filter device 2, this device mainly is to comprise two same sizes, the plate face respectively has the identical discharge orifice plate 3 of the arrangement position in length and breadth in countless processing same apertures d and aperture and 4, this discharge orifice plate 3,4 left and right sides place in the set chute 10 of stillpot 1 inner barrel wall, up and down two laminar flow orifice plates 3,4 is closely overlapping and can do the horizontal reciprocating displacement motion.Discharge orifice plate 3 one ends on the upper strata have level front and back micromatic setting 5, and before and after discharge orifice plate 4 one ends of lower floor have level the oscillator power source 6 of equidistance motion, can make adjustable equidistant level with the vibration cycle of oscillator seesaws, the periphery of the end and face around two laminar flow orifice plates 3,4, with the synthetic rubber is material, becomes the leak stoppage device 7 that discharge orifice plate edge and stillpot 1 edge are done the fine motion of bridge formation formula but make.When upper stream orifice plate tuning plate distance, when making aperture d become a gap with the aperture d of the discharge orifice plate of lower floor, underflow orifice plate 4 imposes the front and back cutting movement equidistant with the aperture, then must form the identical crack discharge orifice d ' alive of countless fine setting gaps on 4 of upper strata fixed flow orifice plate 3 and the lower floor portable plates, and this density of living crack discharge orifice active layer that d ' forms must be directly proportional with the motion frequency of underflow orifice plate 4, that is, when living crack discharge orifice layer action, but must form and the identical filtration of a kind of filter material function moment, and when the action all standing, it can revert to the very big and discharge orifice plate that can not block of discharge orifice again at once, and the absurd creature that particle diameter is no more than discharge orifice panel aperture d can not block.So, needn't use traditional back washing equipment and reach the removing effect.
The design basis of antifouling gap filter device of the present invention and aforesaid filtering flow area formula: Q=AV and fluid sink intelligence separating area formula: Q=AV/U is different, but is:
Q（m
3/hr）＝Ka（m
2）·V（m/hr）
COEFFICIENT K is a frequency of oscillation in the formula.
Can learn that by above-mentioned formula the generation of area A is to be directly proportional with the number of oscillation of discharge orifice plate, and differ from institute's area that is subject to commonly used and flow velocity.
As for the material of this discharge orifice plate 3,4 is to be the best with steel plate, alloy sheets or impact-resistant powerful plastic plate, and the big size down of this discharge orifice plate 3,4 is with 1m again
2The discharge orifice plate under the principle that process technology can overcome, make it form the rectangle hole of many 3mm * 10mm, be used as the static aperture of discharge orifice, crack alive of discharge orifice plate 3,4, the density that this discharge orifice distributes need cooperate the frame for movement intensity that discharge orifice plate 3,4 can bear and decide when operation.
Claims (2)
1, a kind of antifouling gap filter device, this device has two same sizes, plate face respectively to be processed with the identical discharge orifice plate of arrangement position in length and breadth in same apertures and aperture, it is characterized in that this discharge orifice plate left and right sides places in the set chute of stillpot inner barrel wall, two laminar flow orifice plates are closely overlapping and can make horizontal reciprocating movement up and down; Discharge orifice plate one end on the upper strata has level front and back micromatic setting, and the oscillator power source of horizontal equidistance motion is arranged at discharge orifice plate one end of lower floor, can do adjustable equidistant horizontal movement with the vibration cycle of an oscillator, the periphery of the end and face around two laminar flow orifice plates, with the synthetic rubber is material, and making becomes discharge orifice plate edge and the stillpot edge is done the fine-tuning leak stoppage device of bridge formation formula.
2, device according to claim 1, the size that it is characterized in that this discharge orifice plate is with 1m
2The discharge orifice plate form the rectangle hole of many 3mm * 10mm thereon, as the static aperture of discharge orifice, crack alive of discharge orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90110006 CN1062852A (en) | 1990-12-27 | 1990-12-27 | Antifouling gap filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90110006 CN1062852A (en) | 1990-12-27 | 1990-12-27 | Antifouling gap filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1062852A true CN1062852A (en) | 1992-07-22 |
Family
ID=4881718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90110006 Pending CN1062852A (en) | 1990-12-27 | 1990-12-27 | Antifouling gap filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062852A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7000781B2 (en) | 2000-04-14 | 2006-02-21 | Metso Automation Oy | Filtering device |
-
1990
- 1990-12-27 CN CN 90110006 patent/CN1062852A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7000781B2 (en) | 2000-04-14 | 2006-02-21 | Metso Automation Oy | Filtering device |
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| WD01 | Invention patent application deemed withdrawn after publication |