CN104436778B - Large Scale and Continuous automatic sand filter - Google Patents
Large Scale and Continuous automatic sand filter Download PDFInfo
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- CN104436778B CN104436778B CN201410645903.5A CN201410645903A CN104436778B CN 104436778 B CN104436778 B CN 104436778B CN 201410645903 A CN201410645903 A CN 201410645903A CN 104436778 B CN104436778 B CN 104436778B
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Abstract
The present invention relates to Large Scale and Continuous automatic sand filter, this Large Scale and Continuous automatic sand filter includes the sand filter blanket in filtration container, container, sand extraction tube, sand-washing device, water inlet pipe, it it is clean water chamber above sand filter blanket, clean water chamber connects with delivery port, it is straight bottom sand extraction tube, quarter bend is arranged at the top of sand extraction tube, and the caliber of the horizontal tube of quarter bend is bigger than the caliber of vertical tube, and horizontal tube enters sand-washing device from side；Water inlet pipe connect radiant type water-locator, the water distributor of radiant type water-locator, centered by water inlet pipe, is evenly arranged radially, water distributor from outward flange at water inlet pipe downward-sloping in 3 degree.Sand extraction tube of the present invention enters sand-washing device from side and bottom is straight, can save tolerance 30%, and supply gas pressure is down to 0.6Mpa by 0.8Mpa, saves energy consumption about 35%, and decreases the abrasion of sand extraction tube inwall, it is easy to proposes sand operation working properly；The solidliquid mixture that sand extraction tube elevates simultaneously is completely released from thin vertical tube to thick horizontal tube, compressed-air actuated kinetic energy, decreases the filtrate impact to sand-washing device.
Description
One, technical field:
The present invention relates to can the water treatment facilities of continuous wash filtrate, particularly relate to especially suitable
In the Large Scale and Continuous automatic sand filter that oil-contaminated water of oil field is processed.
Two, background technology:
Commonly used three sections of oil field processes technique, i.e. " sedimentation-coagulation-filtration " technique, this technique at present
Middle pressure filter tank needs periodically backwash, will occur after running a period of time filtrate harden, media regeneration
The phenomenon such as deteriorating water quality after difficulty, internal structure damage, filterins media run-off, filter.Sand filtration is a kind of novel continuously
Water treatment facilities, at present both at home and abroad the maximum gauge used by continuous sand filter is only 2.6m, to oil field containing poly-
The process of sewage and ternary sewage does not has the biggest actual application value substantially；Substantial amounts of oils, colloid, poly-
The materials such as compound make the big reduction of its treating capacity, for high concentration polymer-bearing waste-water complicated in oilfield sewage and ternary
Sewage easily causes that filtrate hardens, media regeneration difficulty, internal structure are damaged, filterins media run-off and water quality are unstable
Etc. phenomenon, and influenced by ambient temperature it is positioned over indoor location, operation, above-mentioned situation 2.6m diameter only
And following continuous sand filter cannot solve this problem.
The sand extraction tube of existing another kind of continuous automatic sand filter is inserted upwardly into sand-washing device from filtering container bottom,
Airduct connects with the bottom of sand extraction tube, and bending is arranged at the bottom of sand extraction tube, this easily interrupt during causing carrying sand or
Do not carry sand, easily the normal work of impact；It addition, the solidliquid mixture that sand extraction tube elevates is directly to gush out
, relatively low greatly to the impact of sand-washing device baffle plate, sand-washing device is easily damaged.Meanwhile, this continuous automatic sand filter
Water inlet pipe connect radiant type water feed apparatus, the water distributor of radiant type water feed apparatus centered by water inlet pipe, in
Radial, it is distributed on the periphery of water inlet pipe, before filter in the case of water quality extreme difference, water-locator is internal to be held
Easily blocking, causes amount of inlet water low, and build the pressure phenomenon.
Three, summary of the invention:
It is an object of the invention to provide a kind of Large Scale and Continuous automatic sand filter, this Large Scale and Continuous automatic sand filter
For solving that existing continuous sand filter internal structure is fragile, build the pressure, problem that water quality is unstable.
The technical solution adopted for the present invention to solve the technical problems is: this Large Scale and Continuous automatic sand filter bag
Include the sand filter blanket in filtration container, container, sand extraction tube, sand-washing device, water inlet pipe, be clear water above sand filter blanket
Room, clean water chamber connects with delivery port, is straight bottom sand extraction tube, and quarter bend arranged at the top of sand extraction tube, and directly
The caliber of the horizontal tube that angle is curved is bigger than the caliber of vertical tube, and horizontal tube enters sand-washing device from side；Water inlet pipe is even
Connecing radiant type water-locator, the water distributor of radiant type water-locator, centered by water inlet pipe, is evenly arranged radially,
Water distributor from outward flange at water inlet pipe downward-sloping in 3 degree.
In such scheme, the caliber of the horizontal tube of sand extraction tube top quarter bend is 2 times of vertical tube caliber, is carrying
Arranging outside sandpipe and automatically carry sand blast block apparatus, to improve the stability that filtrate promotes, the caliber of horizontal tube is vertical
The solidliquid mixture elevated is delivered in sand-washing device by 2 times of straight tube caliber just, and energy will be to sand-washing device
Impact minimize.
In such scheme, water distributor communicates with backwash tube, and water distributor is the most uniform relative to backwash tube
Arranging, backwash tube is connected with blow-down pipe, and blow-down pipe is installed backwash motor-driven valve, and the entrance of water inlet pipe sets
Posting port motor-driven valve, water inlet pipe also sets up pressure transmitter, and water outlet arranges outlet electric valve, pressure
Transmitter connect PLC control system, PLC control system respectively connect backwash motor-driven valve, entrance motor-driven valve,
Outlet electric valve.
In such scheme, the filtrate of sand filter blanket uses quartz sand filter media or corundum filtrate, and quartz sand filter media is suitable for
The process of sewage is driven in common polymer-bearing waste-water and high concentration polymer；It is dirty that corundum filtrate is applicable to strong base ternary
Water and the process of weak base ternary sewage.
Filtration container diameter in such scheme is four meters, and tank base cone angle is 71 degree, solves 2.6m
Diameter and the insurmountable problem of following continuous sand filter.
Sand-washing device in such scheme has three sets, equipped with air-floating apparatus bottom sand-washing device.
Installing the sand separator of umbrella shape below water inlet pipe in such scheme, on the one hand sand separator can play sub-sand
Effect, make the sand of fall on fall equably along umbrella shape face；It addition, be sprayed onto water thereon can along to
On movement in a curve, make it may also operate as the effect of water distribution uniformity.
Beneficial effect:
1, sand extraction tube of the present invention enters sand-washing device from side and bottom is straight, can save tolerance 30%, supply
Pressure is down to 0.6Mpa by 0.8Mpa, saves energy consumption about 35%, and decreases the mill of sand extraction tube inwall
Damage, it is easy to propose sand operation working properly；The solidliquid mixture that sand extraction tube elevates simultaneously is from thin vertical tube
To thick horizontal tube, compressed-air actuated kinetic energy is completely released, and decreases the filtrate impact to sand-washing device.
2, water distributor of the present invention near tank side be 3 degree downward-sloping, and be equipped with water-locator back purge system,
During the internal blocking of water distributor, the automatic valve of water-locator back purge system is opened, back with water inlet line valve closing,
Counter arranging flushing, 3 degree of inclinations of water distributor are prone to internal dirt and flow out tank body.
3, treating capacity of the present invention is big, simultaneously three set sand-washing devices filtrate can be cleaned more thorough.
4, automatic blowing device predominantly avoids the most not proposing sand work and a kind of prevention of taking is arranged
Execute, at a fixed time in once blow stifled work, each stifled time of blowing can arbitrarily be arranged, during interval
Between also can arbitrarily arrange.
Four, accompanying drawing explanation:
Fig. 1 is the structural representation of the present invention.
1 filters container 2 sand extraction tube 3 sand-washing device 4 water inlet pipe 5 water leg 6 mill weir 7 goes out
The mouth of a river 8 blow-off pipe 9 sewage chamber 10 sand separator 11 air-floating apparatus 12 horizontal tube 13 water distribution
It is anti-that pipe 14 entrance motor-driven valve 15 pressure transmitter 16 outlet electric valve 17 backwashes motor-driven valve 18
Flush pipe 19PLC control system 20 blow-down pipe.
Five, detailed description of the invention:
The present invention is described further below in conjunction with the accompanying drawings:
As it is shown in figure 1, this Large Scale and Continuous automatic sand filter includes filtering container 1, filter container 1 a diameter of
Four meters, tank base cone angle is 71 degree.Container content has certain thickness filtrate, forms sand filter blanket,
The filtrate of sand filter blanket uses quartz sand filter media or corundum filtrate, and quartz sand filter media is applicable to common polymer-bearing waste-water
And high concentration polymer drives the process of sewage；Corundum filtrate is applicable to strong base ternary sewage and weak base ternary is dirty
The process of water.Being clean water chamber above sand filter blanket, clean water chamber is provided with water leg 5, and water leg 5 is arranged on filtration to be held
The inwall of device 1, in the form of a ring, water leg 5 is provided with height-adjustable sewage mill weir 6, and water leg 5 connects
Delivery port 7；Water inlet pipe 4 is arranged on the top filtering container 1, is positioned at below blow-off pipe 8, then along right angle
Being downwardly into the bottom to sand filter blanket, water inlet pipe 4 connects radiant type water-locator, and under water inlet pipe, 4 sides install umbrella
The sand separator 10 of shape；Sand-washing device 3 connects sewage chamber 9, and sewage chamber 9 connects leads to the blowdown filtered outside container
Pipe 8, sewage chamber 9 top is less than water leg 5 horizontal plane, and the top of sand-washing device 3 is umbrella shape, sand-washing device
Equipped with air-floating apparatus 11 bottom 3, sand-washing device 3 is looped around centre by the sewage mill weir 6 of water leg 5, washing
Sand sewage is kept apart with clear water.
Being straight bottom sand extraction tube 2, quarter bend, and sand extraction tube 2 top quarter bend are arranged at the top of sand extraction tube 2
The caliber of the horizontal tube 12 at place is 2 times of vertical tube caliber, and horizontal tube 12 enters sand-washing device 3, wind from side
Pipe connects with the bottom of sand extraction tube 2.The solidliquid mixture that sand extraction tube 2 elevates from thin vertical tube to slightly
Horizontal tube 12, compressed-air actuated kinetic energy is completely released, and decreases the filtrate impact to sand-washing device 3, and
And saving energy consumption, it is ensured that propose sand operation working properly, solve and easily interrupt during carrying sand or do not carry sand, easily
The problem of the normal work of impact.
Arranging outside sand extraction tube 2 and automatically carry sand blast block apparatus, automatic blowing device predominantly avoids special circumstances
Under do not propose sand work and a kind of precautionary measures of taking, at a fixed time in once blow stifled work, often
The secondary stifled time of blowing can arbitrarily be arranged, and interval time also can arbitrarily be arranged, and improves the stability that filtrate promotes.
Water inlet pipe 4 connects radiant type water-locator, the water distributor 13 of radiant type water-locator centered by water inlet pipe 4,
Be evenly arranged radially, water distributor 4 from outward flange at water inlet pipe downward-sloping in 3 degree；Water distributor 4
Communicating with backwash tube 18, water distributor 4 is evenly arranged radially relative to backwash tube 18, backwash
Pipe 18 is connected with blow-down pipe 20, and blow-down pipe 20 is installed backwash motor-driven valve 17, and the entrance of water inlet pipe 4 sets
Posting port motor-driven valve 14, water inlet pipe 4 also sets up pressure transmitter 15, arranges outlet electronic at delivery port 7
Valve 16, pressure transmitter 15 connects PLC control system 19, and PLC control system 19 connects recoil respectively
Wash motor-driven valve 17, entrance motor-driven valve 14, outlet electric valve 16.Backwash tube 18, blow-down pipe 20, recoil
Wash motor-driven valve 17, pressure transmitter 15, PLC control system 19, the entrance motor-driven valve 14 of water inlet pipe, go out
Mouth motor-driven valve 16 constitutes back purge system.Inside water distributor 4 during blocking, inlet pressure is increased to setting value
Time, anti-row's flushing operation starts, and now entrance motor-driven valve 14 cuts out, and outlet electric valve 16 is opened, recoil
Washing motor-driven valve 17 to open, after anti-row operation reaches the setting time, entrance motor-driven valve 14 is opened, outlet electricity
Dynamic valve 16 cuts out, and backwash motor-driven valve 17 cuts out.3 degree of inclinations of water distributor are prone to internal dirt pouring vessel
The internal dirt of body, beneficially water-locator is discharged, it is ensured that water inlet is smoothed out, and solves water quality extreme difference before filter
In the case of, the internal easily blocking of water-locator, cause amount of inlet water low, build the pressure phenomenon.
In present embodiment, sand-washing device 3 has three sets, equipped with air-floating apparatus bottom sand-washing device 3, and three set washed-out sands
Device 3 shares a set of air-floating apparatus, and sand extraction tube 2 also has three, and sand extraction tube 2 each inserts corresponding sand-washing device 3
In, three set sand-washing devices 3 are commonly connected to a sewage chamber 9 by pipeline, and airduct passes through a gas distributor and pipe
Line and three sand extraction tubes 2 connect, and wind is respectively supplied to three sand extraction tubes 2.Certainly, sand-washing device 3 is all right
Being connected with respective sewage chamber, sewage is discharged by three sewage chamber by a blow-off pipe 8.
When the present invention works, oil-polluted water is directly entered the bottom of Large Scale and Continuous automatic sand filter by pipeline,
Under the effect of the radiant type water-locator filtered bottom container 1, mild the running up of sewage, pass through filtrate
Carrying out filtration treatment, clear water is slowly flowed out by delivery port 7, this completes filter process, whole filtration
During the filter bed of device interior be descending motion state continuous, slow, stable, effluent quality and will not
It is affected by, it is ensured that in effective filtering layer, reach preferable filter effect；During filtering oily sewage,
Sump oil and substantial amounts of suspension are trapped in the bottom filtering container 1 by filtrate, and therefore, this part is contaminated
Filtrate is carried out in this part dirt sand being promoted to sand-washing device 3 by the sand extraction tube 2 filtered bottom container 1 clearly
Washing, the dirty sand in sand-washing device 3 carries out irregular falling motion in a kind of special space of curves, makes this
The mutual collision friction of part filtrate makes it be washed by dirt of filter material surface, more thorough for ensureing that filtrate cleans
The end, equipped with air-floating apparatus 11 bottom sand-washing device 3, its objective is some difficult dirts removed of filter material surface
Again rinsing so that it is reach optimal cleaning performance, the filtrate after cleaning falls back to filter bed again to be carried out
Work, keeps filtrate to be constantly in clean conditions, and washed-out sand sewage is also from the blow-off pipe 8 of with clear water zone isolation
Discharge, thus achieve filtration with cleaning and carry out the most non-interfering course of work simultaneously.
Filter process of the present invention and cleaning process are carried out simultaneously, the most unaffected, change at raw water quality
While, the washed-out sand amount of scrubbing system can be adjusted, ensure the cleaning performance of filtrate.
Present invention is mainly applied to oilfield water flooding sewage, polymer-bearing waste-water and ternary sewage, be placed in outdoor, high
Severe cold area can normally use.
Claims (6)
1. a Large Scale and Continuous automatic sand filter, it is characterised in that: this Large Scale and Continuous automatic sand filter includes filtering
Sand filter blanket in container (1), container, sand extraction tube (2), sand-washing device (3), water inlet pipe (4), above sand filter blanket
Being clean water chamber, clean water chamber connects with delivery port (7), and sand extraction tube (2) bottom is straight, sand extraction tube (2) upper
There is quarter bend in portion, and the caliber of the horizontal tube (12) of crook, right angle is bigger than the caliber of vertical tube, horizontal tube (12)
Sand-washing device (3) is entered from side；Water inlet pipe (4) connects radiant type water-locator, the water distributor (13) of radiant type water-locator
Centered by water inlet pipe (4), be evenly arranged radially, water distributor (13) from outward flange to water inlet pipe (4)
Place be 3 degree downward-sloping；Described water distributor (13) communicates with backwash tube (18), water distributor (13) phase
Being evenly arranged radially for backwash tube (18), backwash tube (18) is connected with blow-down pipe (20), puts
The upper installation of blank pipe (20) backwashes motor-driven valve (17), entrance inlet porting motor-driven valve (14) of water inlet pipe (4),
Also setting up pressure transmitter (15) on water inlet pipe (4), delivery port (7) place arranges outlet electric valve (16), pressure
Power transmitter (15) connects PLC control system (19), and it is electronic that PLC control system (19) connects backwash respectively
Valve (17), entrance motor-driven valve (14), outlet electric valve (16).
Large Scale and Continuous automatic sand filter the most according to claim 1, it is characterised in that: described sand extraction tube (2)
The caliber of the horizontal tube (12) of crook, right angle, top is 2 times of vertical tube caliber, arranges outward certainly at sand extraction tube (2)
Move and carry sand blast block apparatus.
Large Scale and Continuous automatic sand filter the most according to claim 2, it is characterised in that: described filtration container
(1) a diameter of four meters, filtering container (1) bottom cone angle is 71 degree.
Large Scale and Continuous automatic sand filter the most according to claim 3, it is characterised in that: described sand filter blanket
Filtrate uses quartz sand filter media or corundum filtrate, and quartz sand filter media is applicable to common polymer-bearing waste-water and high concentration polymerization
Thing drives the process of sewage；Corundum filtrate is applicable to strong base ternary sewage and the process of weak base ternary sewage.
Large Scale and Continuous automatic sand filter the most according to claim 3, it is characterised in that: described sand-washing device (3)
Having three sets, sand-washing device (3) bottom is equipped with air-floating apparatus (11).
Large Scale and Continuous automatic sand filter the most according to claim 5, it is characterised in that: described water inlet pipe (4)
The sand separator (10) of umbrella shape is installed in lower section, and backwash tube (18) communicates through umbrella shape sand separator (10) with water-locator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410645903.5A CN104436778B (en) | 2014-11-05 | 2014-11-05 | Large Scale and Continuous automatic sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410645903.5A CN104436778B (en) | 2014-11-05 | 2014-11-05 | Large Scale and Continuous automatic sand filter |
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| Publication Number | Publication Date |
|---|---|
| CN104436778A CN104436778A (en) | 2015-03-25 |
| CN104436778B true CN104436778B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410645903.5A Active CN104436778B (en) | 2014-11-05 | 2014-11-05 | Large Scale and Continuous automatic sand filter |
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| CN (1) | CN104436778B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621493A (en) * | 2016-12-06 | 2017-05-10 | 欧盛腾水处理技术（杭州）有限公司 | Horizontal flow continuous sand filtration equipment and water treatment process thereof |
| WO2018103534A1 (en) * | 2016-12-06 | 2018-06-14 | 欧盛腾水处理技术（杭州）有限公司 | Horizontal-flow continuous sand filtration apparatus and water treatment process thereof |
| CN109011741A (en) * | 2018-10-09 | 2018-12-18 | 江苏神洲环境工程有限公司 | A kind of upper up-flow continous way integrative water purifying device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763564B2 (en) * | 1991-11-05 | 1995-07-12 | 早川工業株式会社 | Continuous filtration device |
| CN201543289U (en) * | 2009-11-12 | 2010-08-11 | 吴浩 | Continuous automatic sand filter |
| CN102389657B (en) * | 2011-11-25 | 2013-08-21 | 罗文峰 | Continuous sand filtration apparatus |
| CN103908811A (en) * | 2013-01-04 | 2014-07-09 | 扬州龙华环境工程有限公司 | Self-cleaning quick sand filter |
| KR101434825B1 (en) * | 2014-06-03 | 2014-09-24 | 주식회사 화일씨앤이 | High flow sand filter |
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2014
- 2014-11-05 CN CN201410645903.5A patent/CN104436778B/en active Active
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| CN104436778A (en) | 2015-03-25 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jinpeng Inventor after: Liu Rongchen Inventor after: Huo Yuxiang Inventor after: Huo Ran Inventor before: Liu Rongchen Inventor before: Lv Jingchun Inventor before: Liu Jinpeng |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210621 Address after: Room 335 and 337, building 1, emerging industry incubator, No.32, Huoju new street, high tech Zone, Daqing City, Heilongjiang Province Patentee after: Daqing Xinhua Star Technology Development Co.,Ltd. Address before: 163316 Room 202, gate 1, 14 Xueyuan community, Saertu District, Daqing City, Heilongjiang Province Patentee before: Liu Rongchen |
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| TR01 | Transfer of patent right |