CN104710035B - A kind of integrated subsoil water reclaimed based on calcium carbonate is except hardness device - Google Patents
A kind of integrated subsoil water reclaimed based on calcium carbonate is except hardness device Download PDFInfo
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- CN104710035B CN104710035B CN201510078868.8A CN201510078868A CN104710035B CN 104710035 B CN104710035 B CN 104710035B CN 201510078868 A CN201510078868 A CN 201510078868A CN 104710035 B CN104710035 B CN 104710035B
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Abstract
A kind of integrated subsoil water reclaimed based on calcium carbonate that the present invention provides is except hardness device, the inlet unit (1) including housing (6) and being set in turn in from bottom to top in housing (6), calcium carbonate enriching and recovering unit (2), combined water and air backwash unit (3), filter element (4) and water unit (5).This apparatus structure is compact, floor space is little, easy to use, flexible operation, applied widely, can preferably ensure the removal effect of total hardness in subsoil water and overall effluent quality, can effectively collect except the calcium carbonate separated out during hardness simultaneously, there is preferable popularizing application prospect.
Description
Technical field
The invention belongs to field of water treatment equipment, the integrated subsoil water particularly to a kind of recyclable calcium carbonate removes hardness dress
Put.
Background technology
Much higher hard or too low all can affect our health in water, the most also can make troubles to daily life.Such as,
Infusible precipitate can be produced with soap response when washing with hard water, clothes fiber also can be made in addition to affecting clean result to harden
Become fragile fragile, with hard water have a bath hair washing time can puckery.Existing " drinking water sanitary standard " (GB5749-2006)
In middle regulation drinking water, total hardness content should be less than 450mg/L (with CaCO3Meter).
At present the hardness minimizing technology at drinking water treatment field comparative maturity be utilize the sedimentation method to the calcium and magnesium of removing in water from
Son, and needed for the medicaments such as conventionally used calcium hydroxide, sodium hydroxide, sodium carbonate, precipitation time length, reaction are carried out
The problems such as thorough, calcium ions and magnesium ions residual concentration height, the pH also resulting in product water significantly raises.For the problems referred to above
Occur in that the subsoil water that some are new removes hardness medicament (201310336486.1) and the exploitation of device (201310336448.6),
Although achieve the efficient removal of total hardness, but the problem that there is follow-up waste treatment difficulty.It is thus desirable to for novel
Subsoil water is developed except hardness device, with realize less except hardness added amount of chemical under the conditions of remove water to greatest extent
Middle cause hardness ions, and the precipitate such as the calcium carbonate in effective recycling processing procedure.
Summary of the invention
Goal of the invention: it is an object of the invention to provide that a kind of floor space is little, low cost, operating cost are low, safety and
The Novel underground water of recyclable part calcium carbonate removes hardness device.
Technical scheme: a kind of integrated subsoil water reclaimed based on calcium carbonate that the present invention provides is except hardness device, including shell
Body and be set in turn in from bottom to top in housing inlet unit, calcium carbonate enriching and recovering unit, air water combine recoil
Wash unit, filter element and water unit.
As improvement, described inlet unit includes water inlet pipe and mixing arrangement;Described water inlet pipe is provided with except hardness medicament is thrown
Add mouth;The outlet of water inlet pipe is located at inside mixing arrangement, and the outlet upper end of water inlet pipe is provided with inversion circular arc water fender.
As improving further, described water fender is 10-30cm with the backplane pitch of mixing arrangement;Water inlet pipe outlet stream
Speed is 0.8-1.5m/s.
Improving as another kind, described calcium carbonate recovery unit includes one group of accumulative column being arranged in parallel;Described calcium carbonate returns
Receive the height 0.3-1.5m of unit.
As improving further, the quantity of described one group of accumulative column is more than 2, by 2 layers and arranges above, adjacent poly-
Outer surface spacing 3-15cm of clustered column;Single accumulative column diameter is between 1-5cm;Accumulative column and housing use sealing flange even
Connect;The material of described accumulative column includes metal, ceramic, attapulgite and stone matter, its surface can be roughened or
Set up prominent lamellar or pointed bulge-structure.
Improving as another kind, described combined water and air backwash unit bottom is perforated plate, and top is for being configured with short-handled filter head
Water dispensing board, middle part is provided with backwash water inlet pipe and air inlet pipe.
As improving further, the aperture of described perforated plate is 3-10cm2;The hole of described short-handled filter head is 5-10mm.
Improving as another kind, described filter element includes multilamellar quartz sand filter media: wherein, is a diameter of bottom it
The gravel layer of 10-30mm, thickness is 5-20cm;Being the coarse sands layer of 0.9-1.35mm for particle diameter in the middle part of it, thickness is
80-150cm;Top be particle diameter be the fine sand layer of 0.5-0.8mm, thickness is 30-50cm.
Improving as another kind, described water unit includes water leg and is located at the outlet pipe bottom water leg;Water leg
Be one group of triangle weir-type water leg, its quantity be 1 and more than, Neighbor Set water trough distance is between 50-150cm;With water outlet
Water leg slope aspect outlet pipe (52) direction that pipe (52) is adjacent, gradient 1%-5%.
Improving as another kind, described combined water and air backwash unit is more than 20cm with the spacing of calcium carbonate recovery unit.
Beneficial effect: the subsoil water that the present invention provides is except hardness apparatus structure is compact, floor space is little, easy to use, fortune
Row is flexible, applied widely, can preferably ensure the removal effect of hardness ions in subsoil water and overall effluent quality
Meanwhile, the precipitate such as effective recycling calcium carbonate, there is preferable popularizing application prospect.
Specifically, the present invention has an advantage highlighted below relative to prior art:
(1) device provided by the present invention can the deposit such as partially recycled calcium carbonate.The present invention is based on during except hardness
Formed sedimentary characteristic, novelty calcium carbonate recovery unit is set in device front end, and can be real by parameter optimization
Sedimentary portion collection formed in existing processing procedure, is beneficial to follow-up use.Additionally, due to precipitate is reclaiming list
Unit is utilized by portion collection, causes the precipitate quantity entering subsequent filter unit to significantly reduce, thus it is single to improve filtration
The treatment effect of unit and overall effluent quality, and filter element recoil frequency can be reduced, increase producing water ratio.
(2) inlet unit of this device is according to except the characteristic of hardness course of reaction, eliminates static mixer, and uses
The waterpower hybrid mode that cost is lower, thus both ensure that the properly functioning of device, reduce again the cost of device.
(3) this device is provided with quartz sand combination filtering layer.The present invention is according to the upward flow feature of device, fully, efficiently
Utilize the retaining of each filtering layer, water environment capacity, thus reached both effective guarantee operational effects, significantly extended recoil
Wash the cycle, thus reduce the purpose of backwash frequency and water consumption rate.
(4) this device have employed combined water and air backwash device innovatively in upward flow filtration, thus is obviously improved
Backwash efficiency, reduces the wastewater flow rate in backwash process, and properly functioning for technique create condition;And this kind
Combined water and air backwash mode also can be applied in other upward flow processing procedure, improves being suitable for of upward flow filtration mode
Property.
In combined water and air backwash unit of the present invention, the setting of filter is different from common filter gap size, and this is according to removing
Precipitate characteristic during hardness and arrange, can be with the prolonged application of effective guarantee device.
Accompanying drawing explanation
Fig. 1 is that the present invention removes the structural representation of hardness device based on the integrated subsoil water that calcium carbonate reclaims.
Detailed description of the invention
Below in conjunction with the accompanying drawings based on the integrated subsoil water that calcium carbonate reclaims, the present invention is removed hardness device to make furtherly
Bright.
The integrated subsoil water reclaimed based on calcium carbonate removes hardness device, sees Fig. 1, including housing 6 and depends on from bottom to top
Secondary be arranged in housing 6 inlet unit 1, calcium carbonate enriching and recovering unit 2, combined water and air backwash unit 3, mistake
Filter unit 4 and water unit 5;Inlet unit 1 includes water inlet pipe 11 and mixing arrangement 12;Water inlet pipe 11 is provided with and removes
Hardness adding of agent mouth 13;It is internal that the outlet of water inlet pipe 11 is located at mixing arrangement 12, on the outlet of water inlet pipe 11
End is provided with inversion circular arc water fender 14;Calcium carbonate recovery unit 2 includes one group of accumulative column being arranged in parallel 21, adjacent poly-
Outer surface spacing 3-15cm of clustered column 21;Single accumulative column 21 diameter is between 1-5cm;Accumulative column 21 is adopted with housing 6
Connect with sealing flange;The material of accumulative column 21 includes metal, ceramic, attapulgite and stone matter, and its surface can be carried out
Roughening processes or sets up prominent lamellar or pointed structures;It is perforated plate 31 bottom combined water and air backwash unit 3, top
Portion is the water dispensing board 33 being configured with short-handled filter head 32, and middle part is provided with backwash water inlet pipe 34 and air inlet pipe 35;Filter single
Unit 4 includes multilamellar quartz sand filter media, is the gravel layer 41 of a diameter of 10-30mm bottom it, and middle part is that particle diameter is
The coarse sands layer 42 of 0.9-1.35mm, top be particle diameter be the fine sand layer 43 of 0.5-0.8mm;Water unit 5 includes catchmenting
Groove 51 and be located at the outlet pipe 52 bottom water leg 51;Water unit 5 includes water leg 51 and is located at water leg
Outlet pipe 52 bottom 51;Water leg 51 is one group of triangle weir-type water leg, its quantity be 1 and more than, Neighbor Set
Tank 51 spacing is between 50-150cm;Water leg slope aspect outlet pipe 52 direction adjacent with outlet pipe 52, gradient 1%-5%.
For verifying that this subsoil water is verified except the usefulness of hardness device, the usefulness being correlated with in Zoucheng City of Shandong Province water factory.
During test, the water quality situation of former water is as shown in table 1.
Table 1 raw water quality parameter detecting result
By using different parameters to arrange, verifying water treatment efficiency, this plant running parameter is shown in Table 2.
Table 2 operational factor
Water quality after detection process, result is shown in 3.
Table 3 processes effluent quality parameter detecting result
Claims (9)
1. the integrated subsoil water reclaimed based on calcium carbonate is except hardness device, it is characterised in that: include housing (6) and
The inlet unit (1) that is set in turn in from bottom to top in housing (6), calcium carbonate recovery unit (2), combined water and air backwash list
Unit (3), filter element (4) and water unit (5);Described calcium carbonate recovery unit (2) includes one group of accumulative column being arranged in parallel
(21);The quantity of described one group of accumulative column (21) is more than 2, by least 2 layers of layout, the appearance of adjacent accumulative column (21)
Interplanar distance 3-15cm, described single accumulative column (21) diameter is between 1-5cm;Accumulative column (21) uses Sealing Method with housing (6)
Blue connection;The material of described accumulative column (21) includes metal, ceramic, attapulgite and stone matter, and its surface is roughened
Process or set up prominent lamellar or pointed bulge-structure.
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 1 is except hardness device, its feature
It is: described inlet unit (1) includes water inlet pipe (11) and mixing arrangement (12);Described water inlet pipe (11) is provided with except hardness medicine
Agent adds mouth (13);It is internal that the outlet of water inlet pipe (11) is located at mixing arrangement (12), and the outlet upper end of water inlet pipe (11) sets
There is inversion circular arc water fender (14).
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 2 is except hardness device, its feature
It is: described water fender (14) and mixing arrangement (12) backplane pitch are 10-30cm;Water inlet pipe (11) outlet stream speed is
0.8-1.5m/s。
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 1 is except hardness device, its feature
It is: the height 0.3-1.5m of described calcium carbonate recovery unit (2).
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 1 is except hardness device, its feature
It is: described combined water and air backwash unit (3) bottom is perforated plate (31), and top is for be configured with joining of short-handled filter head (32)
Water plate (33), middle part is provided with backwash water inlet pipe (34) and air inlet pipe (35).
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 5 is except hardness device, its feature
It is: the aperture of described perforated plate (31) is 3-10cm;The hole of described short-handled filter head (32) is 5-10mm.
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 1 is except hardness device, its feature
It is: described filter element (4) includes multilamellar quartz sand filter media: wherein, is the gravel of a diameter of 10-30mm bottom it
Layer (41), thickness is 5-20cm;For the coarse sands layer (42) that particle diameter is 0.9-1.35mm in the middle part of it, thickness is 80-150cm;
Top be particle diameter be the fine sand layer (43) of 0.5-0.8mm, thickness is 30-50cm.
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 1 is except hardness device, its feature
It is: described water unit (5) includes water leg (51) and is located at the outlet pipe (52) of water leg (51) bottom;Water leg (51)
Being one group of triangle weir-type water leg, its quantity is at least 1, and Neighbor Set tank (51) spacing is between 50-150cm;With go out
Water leg slope aspect outlet pipe (52) direction that water pipe (52) is adjacent, gradient 1%-5%.
A kind of integrated subsoil water reclaimed based on calcium carbonate the most according to claim 1 is except hardness device, its feature
It is: described combined water and air backwash unit (3) is more than 20cm with the spacing of calcium carbonate recovery unit (2).
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103359835A (en) * | 2013-08-05 | 2013-10-23 | 河海大学 | Special medicament for removing hardness ions in underground water and application thereof |
CN103880215A (en) * | 2014-03-24 | 2014-06-25 | 河海大学 | Integral water purifying device for removing hardness of underground water |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080290033A1 (en) * | 2007-05-25 | 2008-11-27 | Camp Dresser & Mckee, Inc. | Method and apparatus for recovery of water containing silica |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103359835A (en) * | 2013-08-05 | 2013-10-23 | 河海大学 | Special medicament for removing hardness ions in underground water and application thereof |
CN103880215A (en) * | 2014-03-24 | 2014-06-25 | 河海大学 | Integral water purifying device for removing hardness of underground water |
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