CN201211446Y - Water treatment device with continuous filtration and continuous backflushing - Google Patents
Water treatment device with continuous filtration and continuous backflushing Download PDFInfo
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- CN201211446Y CN201211446Y CNU2008201074943U CN200820107494U CN201211446Y CN 201211446 Y CN201211446 Y CN 201211446Y CN U2008201074943 U CNU2008201074943 U CN U2008201074943U CN 200820107494 U CN200820107494 U CN 200820107494U CN 201211446 Y CN201211446 Y CN 201211446Y
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Abstract
The utility model discloses a water treatment apparatus for continuous filtering and backwashing, which belongs to the field of water treatment apparatus. The water treatment apparatus comprises a water inlet, a water outlet, a supporting leg, a sewage outlet and an air inlet; besides, the water treatment apparatus also comprises a water distributor, a sand distributor, a water collector, a sand extracting pipe, a sewage separator and a sand washer. The water treatment apparatus solves the technical problems such as uneven water distribution, incomplete filter material cleaning, unstable yielding water quality, larger quantity of backwash water, unstable operation of the yielding water, easy mixing of filtered yielding water and backwash yielding water and higher yielding water turbidity in the prior art, and can be widely applied to the water treatment of drinking water, waste water, industrial water and the like.
Description
Technical field
The utility model relates to a kind of water treatment facilities, but particularly a kind of water treatment facilities that does not need to shut down backwash.
Background technology
Common water treatment facilities need be shut down filtrate is cleaned, and has discontinuity and effluent quality unstability, and needs to be equipped with high-power backwash pump and backwash pipeline etc., complex structure, and floor space is big, energy consumption is high.At above situation, Sweden scientific research institution has at first developed a kind of can be the continuously outer water treatment facilities that carry sand, and water distribution is inhomogeneous, filtrate cleans thoroughly, the unsettled shortcoming of effluent quality but exist.Domestic also have trial to study the continuous filtration technology, such as, China Patent No. is 200420009279.1.But exist the backwash water yield big, move out of water unstable, filter out the water capacity easily and backwash water outlet mixing, the more high shortcoming of delivery turbidity.
The purpose of this utility model addresses the above problem exactly, and a kind of simple in structure, water treatment facilities that the effective continuous backwash of continuous filtration of sand, water outlet and washed-out sand is proposed in inside is provided.
Summary of the invention
The utility model is inhomogeneous at the water distribution that has the water treatment facilities existence that can carry sand outward continuously now, filtrate cleans thoroughly, effluent quality is unstable, and the backwash water yield big, move out of water unstable, filter out the water capacity easily and backwash water outlet mixing, the higher defective of delivery turbidity, but the water treatment facilities of the continuous backwash of a kind of continuous filtration is provided.
The utility model provides the water treatment facilities of the continuous backwash of a kind of continuous filtration, and 1, a kind of continuous filtration, the continuous water treatment facilities of backwash, comprise water inlet 1, delivery port 2, supporting leg 5, sewage draining exit 8, air inlet 11,
It is characterized in that, also comprise water-locator 3, sand arranging device 4, water collection device 6, sand extraction tube 10, drain separator 7, sand-washing device 9; Wherein:
Described water-locator 3 is made of column disk ring water distributor and " people " font structure pipe, be arranged at the bottom straight section of described water treatment facilities and the delivery position of cone, this water-locator upper end communicates with the water inlet 1 of former water, and this water-locator lower end is distributed with filter material layer and apopore;
Described sand arranging device 4 is the guard shield umbrella structure, is connected with the bottom of sand extraction tube 10, and is connected with the shell of described water treatment facilities by supporting welding manner;
Described water collection device 6 is ring-like, top open architecture, is arranged at the top of described water treatment facilities, communicates with delivery port 2, and is connected with the shell of described water treatment facilities by supporting welding manner;
Described sand extraction tube 10 is a tubular structure, is arranged at the center of described water treatment facilities, and the bottom of described sand extraction tube is provided with air inlet 11, and sand extraction tube 10 and sand arranging device 4 be by screwed connection, and the top of described sand extraction tube is connected with drain separator 7;
Described drain separator 7 is used for by the negative pressure that forms of compression dirty sand being risen to described drain separator bottom sand extraction tube, and makes addle after the cleaning through sewage draining exit 8 discharges by drain separator 7;
Described sand-washing device 9 is the double-deck arc structure of safety cover type locker, be arranged at drain separator 7 bottoms and with described drain separator socket;
Wherein, sand-washing device 9, drain separator 7 and water collection device 6 are connected with flange respectively.
Best, " people " font structure pipe of described water-locator is welded on the column disk ring water distributor, and angle is 45 degree, and to the 45 degree perforates of oblique below, lower edge that should " people " font structure pipe apart from the water distributing pore of water-locator apart from 5CM.
Best, the tapered angle of sand arranging device is between 50～55 degree.
Best, the ratio of described sand extraction tube caliber sectional area and filter area is 1:300～1:350.
Best, the spacing between the inner two arcs of described sand-washing device is 1.2～1.5CM, at the bottom of the arc of outside border and middle arc peak correspondence, and arc length is 30～40CM.
Best, the air inlet air pressure of described air inlet is 0.3～0.5MPA.
Best, adopt mode that former water is imported by described water inlet by pump or high-order gravity flow.
Best, media filtration and filtrate clean and finish simultaneously.
The utility model is a kind of continuous filtration and the continuous water treatment facilities of backwash, have simple in structure, floor space is little, water outlet is continuous, water stabilization and characteristics such as effective.The main inventive point of this device is column water distribution uniformity device, the integrated washed-out sand device of safety cover type locker, sewage separator and ring-like open water collector etc.
According to technique scheme of the present utility model, this device has continuous filtration, does not need to shut down the characteristics of backwash, and this device is a up flow type.Sewage is by behind the column even water distributor water distribution uniformity, and by filter material layer, purifying waste water after the filtration flowed out by ring-like open water collection device according to the design filtering velocity; The filtrate of filter material layer bottom constantly is compressed air and mentions the integrated sand-washing device of safety cover type locker, and the filtrate of wash clean is sent back to the filter material layer surface by the integrated sand-washing device of safety cover type locker, and the filtrate rinse water is discharged by the sewage separator.
Column even water distributor of the present utility model has column disk ring, " people " font structure, and it is even that this water-locator has water distribution, prevents the characteristics that filtrate flows backwards.
Ring-like open water collection device is the inner water of receiving of deep layer, have receive water evenly, the characteristics of water stabilization.
The integrated sand-washing device of safety cover type locker has double-deck arcuation secondary washed-out sand effect, and filtrate cleans thoroughly, and the guard shield umbrella structure can evenly be put back to filter material layer to filtrate.
The main distinction of the utility model and prior art is:
1, receive water mode difference:
The utility model water collection device has ring-like open, the inner receipts water-bound of deep layer, water after this ring-like sewage open, that sand-washing device produced when the inner receipts water-bound energy of deep layer assurance equipment moved does not pollute once more under the effect of level pressure difference and filters.
And prior art does not have this structure and function, filters back water and easily causes secondary pollution.
2, secondary washed-out sand difference
Prior art does not show secondary washed-out sand function.
And sand-washing device is double-deck arc structure in the water treatment facilities of the present utility model, realized the function of variable cross-section like this, make sand-washing device water flow inside turbulent fluctuation aggravation, the shearing force of current is strengthened, filtrate is strengthened the collision between filtrate on the arc structure surface simultaneously, filtrate is further powerful to be cleaned water to falling after rise after utilizing the filtrate metafiltration, and these two kinds of unique design can make the more thorough of filtrate cleaning.
3, water distribution manner difference
The equipment water distribution of prior art is the perforated pipe water distribution, can cause water distribution inhomogeneous like this, and current form short circuit phenomenon, and filtering layer easily forms the dead band, easily causes filtrate to reflux during shutdown, and supply-water pump is caused damage.
And water treatment facilities of the present utility model has solved above-mentioned phenomenon.Its water-locator has the column disk ring, " people " font structure is: water-locator is to the 45 degree perforates of oblique below, and " people " font structure welds on water distributor, and angle is 45 degree, the lower edge of " people " font structure according to water distributing pore apart from 5CM.." people " font structure not only plays the filtrate backflow phenomenon that causes after water distribution uniformity is shut down suddenly for some reason with the equipment that prevents, can also play the effect of evenly leading sand, and the whole filtering layer of equipment is evenly fallen.
4, intake method difference
The air inlet of the equipment of prior art is the air inlet of sand extraction tube top, and air pressure is 0.03MPA.The shortcoming of top air inlet is that to put forward the sand amount little and easily cause and do not put forward the sand phenomenon.
And the air inlet of the utility model water treatment facilities is the bottom air inlet, and air pressure is 0.3～0.5MPA, can put forward the sand amount according to how much the regulating of suspension of water, the sand phenomenon can not occur not putting forward.
Therefore, the utility model can continuous filtration, the filter efficiency height, and stable effluent quality, effective, this device is stable, simple to operate, and the design feature that device is invented has thoroughly been avoided filtration water outlet and backwash water outlet mixing, the unsettled shortcoming of water outlet; Can regulate the sewage separator according to handling water water quality situation, the control backwash water water yield.This device treatment effect is good, and it is many to be suitable for the filtrate kind, can be widely used in the water treatments such as drinking water treatment, wastewater treatment, water for industrial use.
Description of drawings
Fig. 1 is the utility model modular construction schematic diagram.
Description of reference numerals:
The specific embodiment
Under the design philosophy of the utility model technique scheme, the utility model can have numerous embodiments, is illustrated below by specific embodiment.
As shown in Figure 1, the water treatment facilities of the continuous backwash of continuous filtration described in the utility model comprises water inlet 1, delivery port 2, supporting leg 5, sewage draining exit 8, air inlet 11,
In the utility model, also comprise: water-locator 3, sand arranging device 4, water collection device 6, sand extraction tube 10, drain separator 7, sand-washing device 9;
Wherein, described water-locator 3 is made of the pipe of column disk ring with " people " font structure, is arranged at the bottom straight section of described water treatment facilities and the delivery position of cone, thus the enough thickness of filter bed of assurance equipment.Its upper end communicates with the water inlet 1 of former water, and its lower end apopore communicates with filter material layer, is distributed in the filter material layer bottom." people " font structure not only plays the filtrate backflow phenomenon that causes after water distribution uniformity is shut down suddenly for some reason with the equipment that prevents, can also play the effect of evenly leading sand, and the whole filtering layer of equipment is evenly fallen.
Described sand arranging device 4 is the guard shield umbrella structure, is connected with the bottom of sand extraction tube 10, and is connected with the shell of described water treatment facilities by supporting welding manner.This sand arranging device is that the filtrate after the washed-out sand device wash clean is sent back to filtering layer uniformly, thereby the thickness that has guaranteed filtering layer is more even.
Described water collection device 6 is ring-like open, the inner receipts water-bound of deep layer, is arranged at the top of described water treatment facilities, communicates with delivery port 2, and is connected with the shell of described water treatment facilities by supporting welding manner.Water after ring-like sewage open, that the washed-out sand device produced when the inner receipts water-bound energy of deep layer assurance equipment moved does not pollute once more under the effect of level pressure difference and filters.
Described sand extraction tube 10 is a tubular structure, is arranged at the center of described water treatment facilities, and the bottom of described sand extraction tube is provided with air inlet 11 and sand extraction tube 10 and sand arranging device 4 by screwed connection, and the top of described sand extraction tube is connected with drain separator 7.
Described drain separator 7 is used for by the negative pressure that forms of compression dirty sand being risen to described drain separator bottom sand extraction tube, and makes addle after the cleaning through sewage draining exit 8 discharges by drain separator 7.
Described sand-washing device 9 is the double-deck arc structure of safety cover type locker, be arranged at drain separator 7 bottoms and with described drain separator socket, it is clean and filtrate put back to the filter material layer surface to be used to clean filtrate.The double-deck arcuation washed-out sand structure of safety cover type locker can make backwash water form the eddy flow state in that the washed-out sand device is inner, thereby has strengthened collision between the shearing force of backwash water and the filtrate, frictional force, makes whole backwash process more fully and thoroughly.
The used filtrate of the utility model is a homogeneous filtering material, and particle diameter of filter medium is 0.5～1.5mm, and the effective depth of filtrate is 1～1.2 meter.
In the present embodiment, each connected mode of the water treatment facilities of the continuous backwash of described continuous filtration is: sand arranging device 4 is connected with supporting welding manner with filter housing; The integrated sand-washing device 9 of ring-like water collection device 6, drain separator 7 and guard shield is that flange is connected, and ring-like water collection device 6 usefulness support welding manner and are connected with shell, and sand extraction tube 10 and sand arranging device 4 are used screwed connection.
In the present embodiment, at first the mode by pump or high-order gravity flow evenly enters the filter material layer bottom to former water by water inlet 1 through column even water distributor 3, passes through column disk ring water distribution uniformity again.Pollutants such as suspension in the former water, are retained down by filtrate by in the filter material layer process from bottom to top, and filtered water rises, and are flowed out by delivery port 2 after ring-like formula water collection device 6 is received water.Filter center is provided with sand extraction tube 10, and the sand extraction tube bottom is provided with air inlet 11, and the negative pressure by compression forms rises to drain separator 7 to dirty sand from sand extraction tube 10 from the bottom; In putting forward the sand process, finish cleaning for the first time by collision, friction, current shear action, and through the integrated sand-washing device 9 of safety cover type locker, after filtrate thoroughly cleaned up, filtrate is put back to the filter material layer surface, the filter material layer surface is owing to the guide functions of sand arranging device 4, and filter material layer constantly evenly falls, circulation; By drain separator 7 addle after the cleaning is discharged through sewage draining exit 8.Filtration and filtrate clean and finish simultaneously in whole process.
In the foregoing description, best, " people " font structure of water-locator 3 is welded on the water distributor of column disk ring, and angle is 45 degree, and to the 45 degree perforates of oblique below.The lower edge of " people " font structure of water-locator 3 apart from the water distributing pore of water-locator apart from 5CM.The tapered angle of sand arranging device 3 is between 50～55 degree.
In addition, the ratio of the caliber sectional area of described sand extraction tube 10 and filter area is 1:300～1:350.Spacing between described sand-washing device 9 inner two arcs is 1.2～1.5CM, at the bottom of the arc of outside border and middle arc peak correspondence, and arc length is 30～40CM.The air inlet air pressure of air inlet 11 is 0.3～0.5MPA.The result is referring to table 1.
Above-mentioned principle according to water treatment facilities of the present utility model is carried out water treatment to hospital wastewater, mine water, textile waste, refinery(waste) water.The result is referring to table 1.
Table 1
| Embodiment | Influent turbidity | Handle the water yield (t/d) | Appearance and size (m) | Water inlet index (SS) | Effluent index (SS) |
| 1 | Hospital wastewater | 80 | 1.1×3.0 | 73mg/l | 17mg/ |
| 2 | Mine water | 500 | 1.6×4.0 | 18mg/l | 3mg/ |
| 3 | Textile waste | 1000 | 2.0×5.4 | 114mg/l | 27mg/ |
| 4 | Refinery(waste) water | 1200 | 2.5×5.7 | 27mg/l | 5mg/l |
Experimental result shows: water treatment facilities of the present utility model reaches more than 75% water inlet index clearance.
Should be noted that at last, above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
- The water treatment facilities of 1, a kind of continuous filtration, continuous backwash comprises water inlet (1), delivery port (2), supporting leg (5), sewage draining exit (8), air inlet (11),It is characterized in that, also comprise water-locator (3), sand arranging device (4), water collection device (6), sand extraction tube (10), drain separator (7), sand-washing device (9); Wherein,Described water-locator (3) is made of column disk ring water distributor and " people " font structure pipe, be arranged at the bottom straight section of described water treatment facilities and the delivery position of cone, this water-locator upper end communicates with the water inlet (1) of former water, and this water-locator lower end is distributed with filter material layer and apopore;Described sand arranging device (4) is the guard shield umbrella structure, is connected with the bottom of sand extraction tube (10), and is connected with the shell of described water treatment facilities by supporting welding manner;Described water collection device (6) is ring-like, top open architecture, is arranged at the top of described water treatment facilities, communicates with delivery port (2), and is connected with the shell of described water treatment facilities by supporting welding manner;Described sand extraction tube (10) is a tubular structure, be arranged at the center of described water treatment facilities, the bottom of described sand extraction tube is provided with air inlet (11), and sand extraction tube (10) and sand arranging device (4) be by screwed connection, and the top of described sand extraction tube is connected with drain separator (7);Described drain separator (7) is used for by the negative pressure that forms of compression dirty sand being risen to described drain separator bottom sand extraction tube, and by drain separator (7) addle after the cleaning is discharged through sewage draining exit (8);Described sand-washing device (9) is the double-deck arc structure of safety cover type locker, be arranged at drain separator (7) bottom and with described drain separator socket;Wherein, sand-washing device (9), drain separator (7) and water collection device (6) are connected with flange respectively.
- 2, water treatment facilities according to claim 1, it is characterized in that " people " font structure pipe of described water-locator is welded on the column disk ring water distributor, angle is 45 degree, and to the 45 degree perforates of oblique below, lower edge that should " people " font structure pipe apart from the water distributing pore of water-locator apart from 5CM.
- 3, water treatment facilities as claimed in claim 1 is characterized in that, the tapered angle of sand arranging device is between 50～55 degree.
- 4, water treatment facilities as claimed in claim 1 is characterized in that, the ratio of described sand extraction tube caliber sectional area and filter area is 1:300～1:350.
- 5, water treatment facilities as claimed in claim 1 is characterized in that, the spacing between the inner two arcs of described sand-washing device is 1.2～1.5CM, at the bottom of the arc of outside border and middle arc peak correspondence, and arc length is 30～40CM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201074943U CN201211446Y (en) | 2008-03-28 | 2008-03-28 | Water treatment device with continuous filtration and continuous backflushing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201074943U CN201211446Y (en) | 2008-03-28 | 2008-03-28 | Water treatment device with continuous filtration and continuous backflushing |
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| CN201211446Y true CN201211446Y (en) | 2009-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201074943U Expired - Lifetime CN201211446Y (en) | 2008-03-28 | 2008-03-28 | Water treatment device with continuous filtration and continuous backflushing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101584950B (en) * | 2009-07-03 | 2011-01-05 | 北京沃特林克环境工程有限公司 | System for filtering active sand |
| CN102001751A (en) * | 2010-12-22 | 2011-04-06 | 中冶赛迪工程技术股份有限公司 | Continuous backwashing aeration biofilter |
| CN107158792A (en) * | 2017-06-08 | 2017-09-15 | 太仓市思卡拓机械科技有限公司 | A kind of original tap water purifier |
| CN109396118A (en) * | 2018-11-01 | 2019-03-01 | 清远市沁清源饮用水有限公司 | Water purification continuously washes husky system and washes method for determining sand |
-
2008
- 2008-03-28 CN CNU2008201074943U patent/CN201211446Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101584950B (en) * | 2009-07-03 | 2011-01-05 | 北京沃特林克环境工程有限公司 | System for filtering active sand |
| CN102001751A (en) * | 2010-12-22 | 2011-04-06 | 中冶赛迪工程技术股份有限公司 | Continuous backwashing aeration biofilter |
| CN102001751B (en) * | 2010-12-22 | 2012-07-25 | 中冶赛迪工程技术股份有限公司 | Continuous backwashing aeration biofilter |
| CN107158792A (en) * | 2017-06-08 | 2017-09-15 | 太仓市思卡拓机械科技有限公司 | A kind of original tap water purifier |
| CN109396118A (en) * | 2018-11-01 | 2019-03-01 | 清远市沁清源饮用水有限公司 | Water purification continuously washes husky system and washes method for determining sand |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090325 |