CN106139658B - A kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon - Google Patents
A kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon Download PDFInfo
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- CN106139658B CN106139658B CN201510148403.5A CN201510148403A CN106139658B CN 106139658 B CN106139658 B CN 106139658B CN 201510148403 A CN201510148403 A CN 201510148403A CN 106139658 B CN106139658 B CN 106139658B
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Abstract
A kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon, it is related to that the filter of bulk material is housed in closed container, more particularly to the high rate filter for automatically removing filter interior gas device, high rate filter ontology including being filled with particulate filter layer configures the automatic overbottom pressure exhaust stator pressure relief device of siphon;Exhaust stator pressure relief device includes exhaust stator relief tube and Y type strainers;Exhaust stator relief tube is vertically installed at beside high rate filter ontology, its arrival end is connected to the vent valve inlets pipeline of high rate filter ontology, its outlet end is connected to the back washing outlet valve export pipeline of high rate filter ontology, and absolute altitude difference is more than the vertical height of high rate filter;High rate filter accumulated inside air can be eliminated and the hidden danger of compressed air layer is formed at top, realize zero energy consumption exhaust stator pressure release of high rate filter and pollution-free zero-emission, exhaust noise pollution is eliminated, extend air bleeding valve and filtrate service life.
Description
Technical field
The present invention relates to the filters that bulk material is housed in closed container, more particularly to are filtered with automatically removing
The high rate filter of device internal gas device.
Background technology
Iron and steel enterprise is modernized, high rate filter device is the equipment that each operation area of water process subsidiary factory must be equipped with.Water
In treatment process, multiple high rate filters are installed on circulation return pipe net.It is that filtrate is seated in seal-off pressure
In container, typically closed steel vessel overcomes filtering layer resistance to be filtered using impressed pressure.High rate filter mainly rises
The mechanism that clarification filtration improves the effect filterings of cycle water is that return water passes through particulate filter layer (such as quartz sand with hole
Anthracite etc.) in trap water suspended matter and colloid and so that water is obtained clear technical process, can not only be cut during filtering
Stay suspended matter in water, and by filter layer can also the organic matter in water, bacterium or even virus with the reduction of suspended matter and
Largely removed.
A kind of Chinese utility model patent " high rate filter " (utility model patent number:ZL200720102814.1 is authorized
Notification number:CN 201101911Y) disclose a kind of high rate filter, including filter cylinder, central tube, blow-off pipe, filter into
Water pipe, drainpipe of turning one's coat, filtrate inspection pipe, backwash air inlet pipe, backwash water inlet pipe, water filtering and draining pipe, filter material replacement hole, exhaust dress
It sets and is vertically arranged in the middle part in filter cartridge body with upper inspection hole, central water tube, in the fixed filter in the inside of filter cylinder
Expanded metals, it is characterized in that:Couple with central water tube in the fixed sieves manifold in the top of central water tube, sieves manifold and leads to,
The both sides of sieves manifold are dispersed with several side openings, in the fixed lateral steel-wire carcass being made of steel wire of each side opening,
The sieves branch pipe of steel wire spiral composition is covered in steel-wire carcass, one end of steel wire spiral sieves branch pipe is fixed on side opening, separately
One terminal block screen casing closure plate.Chinese utility model patent " improved hot rolling water process high rate filter " (utility model patent number:
ZL201120539071.0, Authorization Notice No.:CN 202427214U) disclose a kind of improved hot rolling water process high-rate fitration
Device, including filter tank body and the filter material layer that is arranged in tank body, the top in tank body are arranged by uniformly distributed horizontal upright
The filtrate buffer unit that stainless steel substrates are constituted, is uniformly installed with long handle nylon filter on the filtrate supporting plate of tank body internal upper part,
Shark's fin type recoil tracheae is set in the tank body of filtrate supporting plate lower part, and recoil tracheae is evenly distributed with shark's fin type transverse direction jet pipe, back flushing air
Pipe taps into tracheae into U.Above-mentioned existing high rate filter can run material phenomenon to avoid filtrate occurs when backwash, can improve water
The flow and raising effluent quality quality of processing, meet the requirement of production.
The filtration device structure that loose filtering material is loaded in existing high rate filter generally use closed container, in order to keep away
Inside forms vacuum when exempting from high rate filter back washing operation, leads to its internal generation plastic deformation and causes the damage for being difficult to restore
Wound is usually mounted with air bleeding valve so that reducing the service life of high rate filter at the top of existing high rate filter, effect is
For being vented when high rate filter carries out back washing operation.But it due to entrapped air between the filtrate gap in high rate filter, leads
It causes filtering layer to generate crack, can also influence water quality.When being filtered cleaning inside high rate filter, hydrone and three-layer filter into
Row severe friction cleans, because of acceleration movement, the air molecule accumulated in inside filtrate gap elegant can exhale, largely
Air molecule is put aside on high rate filter top, finally under the action of inside water pressure, is formed and is compressed on high rate filter top
Air layer causes high rate filter inlet outlet pressure differential to increase, leads to head loss increase quickly, the work period of high rate filter
Shorten, influence high rate filter normal working hours, reduces effluent quality effect after water inlet filtering, take power consumption, increase production
Cost.High rate filter inlet outlet pressure differential normal pressure is 0.01Mpa~0.11Mpa;Drainage normal discharge is crossed 500~550
Cube m/h.When high rate filter inlet outlet pressure differential reaches the high pressure of 0.12~0.18Mpa, high rate filter crosses drainage
Flow reduces 80~130 cubes ms/h.Pressure is formed to exclude the air gathered between gap in high rate filter filtrate and top
Contracting air layer, existing processing method must be by the air bleeding valves at top periodically by manually opening, under normal circumstances, every 2 hours
It opens primary.Exhaust process can not only influence high rate filter flow, aggravate each water level and fluctuate, at the top of high rate filter
Air bleeding valve and exhaust pipe, which also will produce, tempestuously to be vibrated, and sends out huge exhaust explosive sound, and exhaust explosive sound can reach 90~
100 decibels, considerably beyond 75 decibels of average person's ear comfort level upper limit, field personnel can be allowed to feel impaired hearing,
Even there is the phenomenon that terrified escape.In addition, the tempestuously vibration of air bleeding valve and exhaust pipe also results in the contracting of its service life
It is short.
Invention content
It is existing to solve the object of the present invention is to provide a kind of high rate filter with overbottom pressure exhaust stator pressure relief device
High rate filter causes that filtered water stream amount is unstable, air bleeding valve and high rate filter is caused to use using exhaust valve timing exhaust
The technical issues of lost of life.
Technical solution is used by the present invention solves above-mentioned technical problem:
A kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon, including it is filled with particulate filter layer
High rate filter ontology, it is characterised in that:The high rate filter configures the automatic overbottom pressure exhaust stator pressure relief device of siphon;
The automatic overbottom pressure exhaust stator pressure relief device of the siphon, including exhaust stator relief tube and it is placed in exhaust stator pressure release tube inlet
The Y type strainers at place;The exhaust stator relief tube is vertically installed at beside high rate filter ontology, and arrival end is connected to high speed
The vent valve inlets pipeline of filter body, outlet end are connected to the back washing outlet valve export pipeline of high rate filter ontology,
Its absolute altitude difference is more than the vertical height of high rate filter, and forming the automatic overbottom pressure exhaust stator of hydrocone type using gravity lets out
Pressure passageway.
A kind of preferable technology of the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention
Scheme, it is characterised in that the arrival end of the exhaust stator relief tube is taken over by eccentric reducing and is connected to vent valve inlets pipe
Road;The outlet end of the exhaust stator relief tube takes over the back washing water outlet for being connected to high rate filter ontology by concentric reducing
Valve outlet pipeline.
A kind of superior technique of the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention
Scheme, it is characterised in that the Y type strainers of the exhaust stator relief tube include quick-detachable filtration core, and are used for Y types
The safety barrier of strainer disassembly, cleaning operation.
The beneficial effects of the invention are as follows:
1, the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the invention, is let out using exhaust stator
The siphon principle of pressure pipe realizes automatic overbottom pressure exhaust stator pressure release by self-filtering hydraulic pressure, has no need to install wind turbine and carry
For the dynamic kinetic energy of compression lamina air flow, high rate filter accumulated inside air can be eliminated and the hidden of compressed air layer is formed at top
Suffer from, realizes zero energy consumption exhaust stator pressure release of high rate filter.
2, the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the invention, is let out using exhaust stator
Air-water mixture is imported mud ditch by pressure pipe, and no air-water mixture leaks or is discharged into sewer, realizes high-rate fitration
The pollution-free zero-emission of device.
3, the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the invention, is let out using exhaust stator
The Y-shaped strainer of pressure pipe front prevents the automatic overbottom pressure exhaust stator relief tube of siphon from being blocked by filtrate and foundry loam, peace easy to clean
Entirely.
4, the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the invention, can extend filtrate makes
With the service life, the performance ratio of media filtration effect is improved, circulation is promoted and send water and backwater quality, it is acute to reduce each water level
Strong fluctuation.
5, the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the invention, can eliminate exhaust and make an uproar
Sound pollution extends top vent valve service life.
Description of the drawings
Fig. 1 is the structural representation of the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention
Figure;
Fig. 2 is the operation principle close-up schematic view of the automatic overbottom pressure exhaust stator pressure relief device of siphon;
Fig. 3 is the Y type filter structure schematic diagrames of the automatic overbottom pressure exhaust stator pressure relief device of siphon;
Fig. 4 is the eccentric reducing joint pipe structure schematic diagram for connecting the automatic overbottom pressure exhaust stator pressure relief device input end of siphon;
Fig. 5 is the concentric reducing joint pipe structure schematic diagram for connecting the automatic overbottom pressure exhaust stator pressure relief device outlet end of siphon.
In figure, 1- anthracites, 2- quartz sands, 3- cobbles, 4- stainless steel filter heads, 5- compressed air layers, 6- high rate filters
Ontology, 7-Y type strainers, 71- filtration cores, 8- air bleeding valves, 9- bias reducings are taken over, and the concentric reducings of 10- are taken over, 11- exhaust stators
Relief tube, 12- inlet valves, 13- outlet valves, 14- back washing inlet valves, 15- back washing outlet valves, 16- back washing intake valves.
Specific implementation mode
For better understanding of the above-mentioned technical proposal of the present invention, carry out with reference to the accompanying drawings and examples further
Detailed description.
The high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention is as shown in Figure 1, including dress
It is filled with the high rate filter ontology 6 of particulate filter layer, in the present embodiment, the particulate filter layer includes that layering is seated in not
The anthracite 1 to become rusty on steel filter 4, quartz sand 2 and cobble 3.In the embodiment shown in fig. 1, high rate filter configuration
The automatic overbottom pressure exhaust stator pressure relief device of siphon;The automatic overbottom pressure exhaust stator pressure relief device of the siphon, including exhaust stator
Relief tube 11 and the Y types strainer 7 for being placed in 11 inlet of exhaust stator relief tube;The exhaust stator relief tube 11 is vertically installed at
6 side of high rate filter ontology, arrival end is connected to 8 entrance pipe of air bleeding valve of high rate filter ontology 6, with high-rate fitration
The compressed air layer 5 that device top is formed is connected to, and outlet end is connected to 15 outlet of back washing outlet valve of high rate filter ontology 6
Road, absolute altitude difference are more than the vertical height of high rate filter, and forming the automatic overbottom pressure exhaust of hydrocone type using gravity leads
Flow pressure passageway.
The present invention utilizes gravitation acceleration of gravity and siphon principle, and it is complete to complete the automatic overbottom pressure exhaust stator pressure release of siphon
Process.The working condition in high rate filter normal operation, into the mixed flow of water and air in exhaust stator relief tube 11, with weight
Power acceleration g=9.8m/s2It vertically drops along pipeline, back washing water outlet is continually directly entered by drainage siphon overbottom pressure is crossed
It manages, the air in the compressed air layer 5 that high rate filter top is formed, it can be with discharge water automatically into mud ditch.In high speed
Working condition when filter back washing, the air bleeding valve 8 at the top of high rate filter automatically open, due to the compressed air layer 5 on top
The releasing pressure automatically in filtration condition, air bleeding valve and exhaust pipe will not send out tempestuously vibration and the sound to air again.Air is inverse
When washing, automatic overbottom pressure exhaust stator pressure relief device is continually maintained in working condition, and partial air enters exhaust stator relief tube.Pressure
When power water back washing, partial pressure water enters exhaust stator relief tube, and the mixed flow of final water and air enters mud ditch.
According to the embodiment with the automatic overbottom pressure exhaust stator pressure relief device of siphon of Fig. 1 and the present invention shown in Fig. 2, institute
The arrival end for stating exhaust stator relief tube 11 is connected to 8 entrance pipe of air bleeding valve by eccentric reducing take over 9;The exhaust is led
The outlet end for flowing pressure pipe 11, the back washing outlet valve 15 that high rate filter ontology 6 is connected to by concentric reducing take over 10 export
Pipeline.To avoid depositing gas in exhaust stator relief tube 11, arrival end can prevent reducing using eccentric 9 connection of reducing take over
Place feels suffocated, and avoids the occurrence of " air bag ", prevents the generation of cavitation erosion, reduces the head loss of inlet pipeline to the greatest extent;Exhaust stator pressure release
The outlet end of pipe 11 with concentric reducer pipe 10 connect, can with the mixed flow speed of acceleration water and air, avoid generate " liquid capsule " or
Person's " liquid bag ", reduces mechanical loss and volumetric loss to the greatest extent, to reduce hydraulic loss, reduces pipeline head loss to the greatest extent.
The Y types strainer 7 with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention is as shown in figure 3, the exhaust
The Y types strainer 7 of water conservancy diversion relief tube 11 includes quick-detachable filtration core 71, and for 7 disassembly, cleaning of Y types strainer operation
Safety barrier (not shown).
Embodiment
One specific embodiment of the high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention
Six high rate filters including certain recirculated water operation area, the major parameter of the automatic overbottom pressure exhaust stator pressure relief device of siphon is such as
Under:
A diameter of 200mm of high rate filter top vent pipe 8 digs a hole a diameter of 40mm in the front of top vent pipe 8,
Arrival end for connecting eccentric reducing take over 9, the arrival end diameter D2=40mm that eccentric reducing is taken over, what eccentric reducing was taken over
Outlet end diameter D1=25mm, is connected to the arrival end of exhaust stator relief tube 11, referring to Fig. 4.Exhaust stator relief tube 11
A diameter of 25mm is manufactured using corrosion-resistant coating steel pipe.The outlet end of exhaust stator relief tube 11 by concentric reducing take over 10,
It digs a hole and connect with back washing outlet pipe rear portion.The arrival end diameter D1=25mm that concentric reducing is taken over, the outlet that concentric reducing is taken over
Hold diameter D2=40mm.Back washing diameter of outflow tube is 400mm, and dig a hole a diameter of 40mm at rear portion.In the present embodiment, exhaust stator
The absolute altitude difference H of relief tube 11 is 7.20 meters.
In the front of exhaust stator relief tube 11, Y-shaped strainer 7 is installed, the filtration core 71 of Y types strainer 7 is by filter
Frame and stainless steel steel wire ventilation network of rivers composition, the ventilation network of rivers is 20 mesh/cm2, and crushing is 0.05~0.1 meter of water under nominal flow rate
Column.Y types strainer 7 is vertically mounted on the top of exhaust stator relief tube 11 close to inlet, and filtration core 71 is opening down when installing,
It is blocked in filter screen position conducive to filtrate and foundry loam, it is not possible to anti-loaded.When needing cleaning, only need 5~10 minutes, it will be removable
The filtration core 71 unloaded takes out, and after removing the impurity filtered out, reloads, the Y type strainer bodily forms are small, filter eye is thin, resistance is small,
Effect is high, sturdy and durable, and installation and repairing is convenient, at low cost.In the present embodiment, the safety barrier is closed round peace
Full guardrail, mounting height corresponds to the disassembly, cleaning operating platform of Y types strainer 7, apart from 7.1 meters of ground, with high rate filter
The escape way at top is connected, the life security for ensureing field stripping cleaning operation employee.
The automatic overbottom pressure exhaust stator pressure relief device operating procedure of siphon:
When six high rate filters are in normal filtration state, the automatic overbottom pressure exhaust stator pressure relief device of six sets of siphons is simultaneously
Into working condition.By flowmeter technology measure into mud ditch air-water mixture total flow be 2~2.5 cubic metres/it is small
When.The average mixing wastewater with air logistics capacity for entering mud ditch through often covering the automatic overbottom pressure exhaust stator pressure relief device of siphon is 0.33~
0.42 cube m/h.
Because using the automatic overbottom pressure exhaust stator pressure relief device of siphon, high rate filter top will not re-form compressed air
Layer, high rate filter high rate filter inlet outlet pressure differential keep normal pressure, 0.01~0.11Mpa for a long time.It is normal to cross drainage
Flow is 500~550 cubes ms/h.
When high rate filter normal filtration state, if high rate filter high rate filter inlet and outlet pressure is more than for a long time
0.14Mpa illustrates that the Y-shaped strainer of the automatic overbottom pressure exhaust stator relief tube front installation of siphon blocks.Live employee is only
It needs to close in the inlet and outlet air valve of high rate filter, disassembly, cleaning Y-shaped strainer, ensures that air-water mixture unimpeded can flow into
Mud ditch.
The high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon of the present invention, in actual operation specifically
After implementing, is examined by 4 years using practices, actually reach expected good result.Recirculated water water is not only more precisely improved to send
The water quality qualification rate of water, and extend the service life of high rate filter filtrate, extend top vent valve service life, reduces life
Produce cost, the final quality for improving factory's product.Each high rate filter replaces the accumulation valence of a filtrate and labour cost
Lattice are 55000 yuan, and filtrate service life extended to 3~4 years by 2 years before implementing.Air bleeding valve at the top of each high rate filter
Price is 22100 yuan, and air bleeding valve service life extended to 5~6 years by 2 years before implementing.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention's
Technical solution, and be not used as limitation of the invention, any connotation based on the present invention is to embodiment described above
Made by variation, modification, all will fall the present invention scope of the claims in.
Claims (3)
1. a kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon, including it is filled with particulate filter layer
High rate filter ontology, it is characterised in that:The high rate filter configures the automatic overbottom pressure exhaust stator pressure relief device of siphon;Institute
The automatic overbottom pressure exhaust stator pressure relief device of siphon stated, including exhaust stator relief tube and it is placed in exhaust stator relief tube inlet
Y type strainers;The exhaust stator relief tube is vertically installed at beside high rate filter ontology, and arrival end is connected to high speed mistake
The vent valve inlets pipeline of filter body, outlet end are connected to the back washing outlet valve export pipeline of high rate filter ontology,
Absolute altitude difference is more than the vertical height of high rate filter, and the automatic overbottom pressure exhaust stator pressure release of hydrocone type is formed using gravity
Channel.
2. the high rate filter according to claim 1 with the automatic overbottom pressure exhaust stator pressure relief device of siphon, feature
It is the arrival end of the exhaust stator relief tube, is taken over by eccentric reducing and be connected to vent valve inlets pipeline;The exhaust
The outlet end of water conservancy diversion relief tube takes over the back washing outlet valve export pipeline for being connected to high rate filter ontology by concentric reducing.
3. the high rate filter according to claim 1 or 2 with the automatic overbottom pressure exhaust stator pressure relief device of siphon, special
Sign is that the Y type strainers of the exhaust stator relief tube include quick-detachable filtration core, and clear for the dismounting of Y type strainers
Wash the safety barrier of operation.
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CN201510148403.5A CN106139658B (en) | 2015-03-31 | 2015-03-31 | A kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon |
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CN201510148403.5A CN106139658B (en) | 2015-03-31 | 2015-03-31 | A kind of high rate filter with the automatic overbottom pressure exhaust stator pressure relief device of siphon |
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CN106139658B true CN106139658B (en) | 2018-10-02 |
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CN113198245A (en) * | 2021-04-26 | 2021-08-03 | 浙江石油化工有限公司 | Novel aviation kerosene filter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86205565U (en) * | 1986-07-26 | 1987-10-03 | 秦华灿 | Self-flush filter |
US5464543A (en) * | 1992-10-16 | 1995-11-07 | Moore; Richard P. | Rapid gravity filter backwash system and filters relative thereto |
CN1147413A (en) * | 1995-10-12 | 1997-04-16 | 廖天植 | High-speed active carbon-fibre filter and its use |
CN2308430Y (en) * | 1997-08-15 | 1999-02-24 | 吉林市大禹水净化工业有限责任公司 | Floating fiber hydraulic density adjusting high-speed filter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1063433A (en) * | 1965-01-14 | 1967-03-30 | Paterson Candy Internat Ltd | Improved granular filter |
CN2195966Y (en) * | 1994-07-13 | 1995-05-03 | 黄秉政 | Automatic water purification device of siphon type |
CN100368051C (en) * | 2005-03-03 | 2008-02-13 | 上海凡清环境工程有限公司 | Fiber filtration device with lower floater |
CN202410271U (en) * | 2012-01-10 | 2012-09-05 | 常州江南电力环境工程有限公司 | High-efficiency fiber filter |
CN103480187A (en) * | 2013-10-12 | 2014-01-01 | 南京国能环保工程有限公司 | Power-free rapid backwashing filter |
-
2015
- 2015-03-31 CN CN201510148403.5A patent/CN106139658B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86205565U (en) * | 1986-07-26 | 1987-10-03 | 秦华灿 | Self-flush filter |
US5464543A (en) * | 1992-10-16 | 1995-11-07 | Moore; Richard P. | Rapid gravity filter backwash system and filters relative thereto |
CN1147413A (en) * | 1995-10-12 | 1997-04-16 | 廖天植 | High-speed active carbon-fibre filter and its use |
CN2308430Y (en) * | 1997-08-15 | 1999-02-24 | 吉林市大禹水净化工业有限责任公司 | Floating fiber hydraulic density adjusting high-speed filter |
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