CN206437969U - A kind of reverse osmosis thick water treatment system - Google Patents
A kind of reverse osmosis thick water treatment system Download PDFInfo
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- CN206437969U CN206437969U CN201621377075.2U CN201621377075U CN206437969U CN 206437969 U CN206437969 U CN 206437969U CN 201621377075 U CN201621377075 U CN 201621377075U CN 206437969 U CN206437969 U CN 206437969U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 238000005189 flocculation Methods 0.000 claims abstract description 54
- 230000016615 flocculation Effects 0.000 claims abstract description 54
- 238000005345 coagulation Methods 0.000 claims abstract description 43
- 230000015271 coagulation Effects 0.000 claims abstract description 43
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000007772 electroless plating Methods 0.000 claims abstract description 31
- 239000000701 coagulant Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 239000011541 reaction mixture Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 17
- 239000011574 phosphorus Substances 0.000 abstract description 17
- 239000003610 charcoal Substances 0.000 abstract description 16
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 15
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 238000001556 precipitation Methods 0.000 abstract description 7
- 239000010802 sludge Substances 0.000 description 36
- 230000008676 import Effects 0.000 description 25
- 239000000203 mixture Substances 0.000 description 17
- 238000001179 sorption measurement Methods 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000001112 coagulating effect Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 229920002401 polyacrylamide Polymers 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 4
- 229940037003 alum Drugs 0.000 description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- -1 alum (alum) Chemical compound 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000003403 water pollutant Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- MVZXTUSAYBWAAM-UHFFFAOYSA-N iron;sulfuric acid Chemical compound [Fe].OS(O)(=O)=O MVZXTUSAYBWAAM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical class [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 239000002352 surface water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a kind of reverse osmosis thick water treatment system, including：Powder electroless plating reaction unit, coagulation device, flocculation plant and device for separating mud and water；Powder electroless plating reaction unit, for receiving reverse osmosis concentrated water and Powdered Activated Carbon, so that the two mixes and reacted；Coagulation device is connected with the powder electroless plating reaction unit, for receiving reaction mixture and coagulant from the powder electroless plating reaction unit；Flocculation plant is connected with the coagulation device, for receiving reaction mixture and flocculant from the coagulation device；Device for separating mud and water is connected with the flocculation plant, for receiving the reaction mixture from the flocculation plant, and carries out mud-water separation.The utility model utilizes charcoal absorption reaction precipitation, then carries out coagulation, the technique of flocculation, effectively reduces COD value and ammonia nitrogen, the content of total phosphorus in reverse osmosis concentrated water, obtained the primary water of first discharge standard.
Description
Technical field
The utility model is related to technical field of sewage, is specifically related to a kind of reverse osmosis thick water treatment system.
Background technology
With the extensive use and development of membrane process, it is all that reverse osmosis technology is increasingly becoming petrochemical industry, electric power, metallurgy, pharmacy etc.
Conglomerate sewage disposal and the one preferred technique for circulating water depth Treatment for Reuse.However, the actual aquifer yield of general reverse osmosis process
Less than 75%, while the organic matter, inorganic that higher concentration is usually contained in about 25% or so reverse osmosis concentrated water, concentrated water can be produced
Thing, ammonia nitrogen class material, solution colourity is big, salt content is high, biodegradability is poor, therefore reverse osmosis concentrated water is always work difficult to deal with
One of industry waste water.
At present, the method both at home and abroad to reverse osmosis concentrated water process mainly has following several：
(1) circumfluence method：RO concentrate recirculations can improve the rate of recovery, increase membrane surface flushing flow velocity, reduce dirty stifled；
(2) industrial water is made in reuse：Due to no suspended substance in RO concentrated waters, containing antisludging agent and there is pressure, can be used as filtering system
Backwashing water, water in dust removal, rinsing dusts and drags water, the cooling water of system；Or raw water recovery is mixed into after simple process；
(3) recycling：Overbottom pressure production can be utilized using water turbine booster, work(exchanger and pressure exchanger etc.
Energy；The concentrated water of seawater desalting plant is used for salt manufacturing, can save salt pan, and shortening is evaporated brine the cycle；Suitably blent after pretreatment, available for sea
Product cultivating；
(4) distillation and concentration：Film distillation technology is a new technology, at ambient pressure can be returned concentrated water as much as possible using the temperature difference
Receive (the rate of recovery>95%) in addition crystallization；
(5) directly or indirectly discharge.
But there is certain limitation in the above method：(1) it is only to concentrate again though circumfluence method can improve the rate of recovery,
Its concentrated water pollutant produced can be higher；(2) industrial water or the utilization of resources are made in reuse, because being limited by emissions requirements, uncomfortable
In all-round popularization；(3) distillation and concentration, its cost is higher, and economic, high-quality dewatering microporous film not yet researches and develops maturation at present；
(4) directly discharge can produce pollution to soil, surface water, ocean etc.；If being discharged into municipal wastewater reaction system, too high total dissolving
Growth of the property solid to activated sludge is also very unfavorable.
Utility model content
In order to solve problem above, the utility model provides following technical scheme：
A kind of reverse osmosis thick water treatment system, including：Powder electroless plating reaction unit, coagulation device, flocculation plant
And device for separating mud and water；
Powder electroless plating reaction unit, for receiving reverse osmosis concentrated water and Powdered Activated Carbon, so that the two mixing is simultaneously
Reaction；
Coagulation device, is connected with the powder electroless plating reaction unit, and the Powdered Activated Carbon is come from for receiving
The reaction mixture and coagulant of adsorption reaction device, so that the two mixes and reacted；
Flocculation plant, is connected with the coagulation device, for receiving reaction mixture and wadding from the coagulation device
Solidifying agent, so that the two mixes and reacted；
Device for separating mud and water, is connected with the flocculation plant, for receiving the reaction mixture from the flocculation plant,
And carry out mud-water separation.
Further, the powder electroless plating reaction unit, coagulation device, be equipped with stirring inside flocculation plant
Device, for being mixed.
Further, the device for separating mud and water is inclined-plate clarifying basin or tube settler.
Further, the reverse osmosis thick water treatment system also includes connecting the device for separating mud and water and powder work
The return line of property charcoal adsorption reaction device.
Further, provided with mud position survey meter in the device for separating mud and water.
Beneficial effect：(1) the utility model is by first with powder electroless plating reaction precipitation, then carrying out coagulation
The technique of flocculation, effectively eliminates organic pollution, ammonia nitrogen and the total phosphorus in reverse osmosis concentrated water, must reach first grade discharging mark
Accurate primary water；(2) by the way that the Powdered Activated Carbon in device for separating mud and water is back in charcoal absorption reaction unit, both carried
The high utilization rate of medicament, while reducing sludge yield again；(3) by installing mud position survey meter, according to mud position detection event
Quantify sludge reflux amount and discharge rate, improving the utilization rate of medicament, while reduction sludge yield, in turn ensure that follow-up anti-
Permeate the treatment effect of concentrated water.
Brief description of the drawings
Fig. 1 is the water treatment process signal of reverse osmosis thick water treatment system described in the utility model the first embodiment
Figure；
Fig. 2 illustrates for the water treatment process of reverse osmosis thick water treatment system described in second of embodiment of the utility model
Figure.
Embodiment
The utility model is described further with reference to embodiment and embodiment, but the utility model is not
It is limited to detailed description below and embodiment.
As shown in figure 1, the first embodiment of the present utility model provides a kind of reverse osmosis thick water treatment system, bag
Include：Powder electroless plating reaction unit, coagulation device, flocculation plant and device for separating mud and water；
Powder electroless plating reaction unit, for receiving reverse osmosis concentrated water and Powdered Activated Carbon, so that the two mixing is simultaneously
Reaction, it includes including concentrated water import and mixture export；
Coagulation device, is connected with the powder electroless plating reaction unit, and the Powdered Activated Carbon is come from for receiving
The reaction mixture and coagulant of adsorption reaction device, so that the two mixes and reacted, it includes mixed liquor import and mixed liquor
Outlet；
Flocculation plant, is connected with the coagulation device, for receiving reaction mixture and wadding from the coagulation device
Solidifying agent, so that the two mixes and reacted, it includes mixed liquor import and mixture export；
Device for separating mud and water, is connected with the flocculation plant, for receiving the reaction mixture from the flocculation plant,
And mud-water separation is carried out, it includes mixed liquor import, pure water inlet and sludge outlet, and the pure water inlet is externally connected with pure water pipe
Road, for primary water to be discharged, the sludge outlet is connected with sludge pipeline, for sludge flco to be discharged.
The powder electroless plating reaction unit, coagulation device, be equipped with agitator inside flocculation plant, make concentrated water with
Powdered Activated Carbon, coagulant, flocculant are more fully contacted, while making reacted mixed liquor be in flow regime, are easy to defeated
Send.
Selectable, the device for separating mud and water can select settler generally in the art, for sludge and primary water
Separation, for example can be inclined-plate clarifying basin or tube settler.
It is preferred that, the coagulation device and flocculation plant can also be connected with chemicals dosing plant, and chemicals dosing plant can select this area
General medicament adding device, for add with precipitation, clarification, separating effect water treatment agent, including but not limited to wad a quilt with cotton
The water treatment agents such as solidifying agent, coagulant, flocculation aid.
Reverse osmosis concentrated water is before the treatment agent that do not add water, such as coagulant and flocculant, colloid in water and tiny outstanding
Very light weight of floating particles itself, random Brownian movement is done by the collision of the molecular thermalmotion of water.Particle is all with same
Property electric charge, electrostatic repulsion between them prevents closer to each other between particulate and aggregates into larger particle；And add successively in water
Enter after coagulant and flocculant, occur charge neutrality with the colloid and discrete particles of suspension, form wadding grain sedimentation, and settling
They collide with each other cohesion in journey, and its size and quality constantly become big, and settling velocity is continuously increased.Floccule body has powerful absorption affinity,
Suspension can not only be adsorbed, moreover it is possible to absorbed portion bacterium and dissolved matter.
A kind of method that reverse osmosis concentrated water process is carried out using above-mentioned reaction system, is comprised the following steps：
(1) powder electroless plating is handled：Pending reverse osmosis concentrated water is anti-by concentrated water import introducing charcoal absorption
Device is answered, under the quick mixing of agitator, powder electroless plating agent is added, makes Powdered Activated Carbon and pending concentrated water
Fully adsorption reaction precipitation occurs for contact, to remove most of organic pollutants and ammonia nitrogen, and the COD value and ammonia nitrogen for reducing concentrated water contain
Amount, wherein, those skilled in the art can select appropriate Powdered Activated Carbon, such as Powdered Activated Carbon according to the utility model
Mesh number can be 50-300, the mesh number of Powdered Activated Carbon is big, and adsorption capacity is stronger, and effect is more notable, the dosage of activated carbon
It can be selected according to actual conditions such as the contents of water pollutant, for example, can be 450-500mg/L；
(2) coagulating treatment：After being handled through powder electroless plating, the mixed liquor in adsorbent equipment, i.e. adsorption reaction are produced
Sediment and concentrated water, by mixture export discharge and by coagulation device mixed liquor import enter coagulation device in, in coagulation
Coagulating sedimentation reaction occurs for the pollutant in dosing coagulant in device, with Powdered Activated Carbon and concentrated water, forms flco, removes simultaneously
Total phosphorus is removed, total phosphorus content is reduced；Wherein, the type and concentration of coagulant can be selected according to actual needs, for example can be with
For aluminium polychloride, ferric trichloride, poly-ferric chloride, aluminum sulfate, ferrous sulfate, alum (alum), sodium aluminate or sulfuric acid
Iron etc., the concentration of coagulant can be 15-20mg/L；
(3) flocculation treatment, after being handled through coagulant, the mixed liquor in coagulation device is discharged by mixture export and by flocculating
The mixed liquor import of device enters in flocculation plant, and flocculant is added in flocculation plant and carries out flocculation reaction, makes flco continuous
Increase, in order to mud-water separation, and the further COD value and total phosphorus, the content of ammonia nitrogen in reduction concentrated water；Wherein, flocculant
Type and concentration can be selected according to actual needs, for example can be polyacrylic acid, Sodium Polyacrylate, calcium polyacrylate (CPA)
Or polyacrylamide etc., the concentration of flocculant can be 0.5-1mg/L；
(4) mud-water separation is handled：Mixed liquor after flocculation treatment is discharged and by mud from the mixture export of flocculation plant
The mixed liquor import of water separation device enters the separation that device for separating mud and water carries out sludge and primary water, and the sludge isolated passes through
Arranged outside sludge pipeline, primary water outside water pipeline by arranging.
As shown in Fig. 2 second of embodiment of the present utility model provides a kind of reverse osmosis water reaction system, including：
Powder electroless plating reaction unit, coagulation device, flocculation plant and device for separating mud and water；
Powder electroless plating reaction unit, for receiving reverse osmosis concentrated water and Powdered Activated Carbon, so that the two mixing is simultaneously
Reaction, it includes including concentrated water import and mixture export；
Coagulation device, is connected with the powder electroless plating reaction unit, and the Powdered Activated Carbon is come from for receiving
The reaction mixture and coagulant of adsorption reaction device, so that the two mixes and reacted, it includes mixed liquor import and mixed liquor
Outlet；
Flocculation plant, is connected with the coagulation device, for receiving reaction mixture and wadding from the coagulation device
Solidifying agent, so that the two mixes and reacted, it includes mixed liquor import and mixture export；
Device for separating mud and water, is connected with the flocculation plant, for receiving the reaction mixture from the flocculation plant,
And mud-water separation is carried out, it includes mixed liquor import, pure water inlet and sludge outlet, and the pure water inlet is externally connected with pure water pipe
Road, for primary water to be discharged, the sludge outlet is connected with sludge pipeline, for sludge flco to be discharged.
Wherein, the reverse osmosis thick water treatment system also includes connecting the device for separating mud and water and the Powdered Activated Carbon
The return line of adsorption reaction device.
The powder electroless plating reaction unit, coagulation device, be equipped with agitator inside flocculation plant, make concentrated water with
Powdered Activated Carbon, coagulant, flocculant are more fully contacted, while making reacted mixed liquor be in flow regime, are easy to defeated
Send.
Selectable, the device for separating mud and water can select settler generally in the art, for sludge and primary water
Separation, for example can be inclined-plate clarifying basin or tube settler.
Preferably, provided with mud position survey meter in the device for separating mud and water, the mud position detected according to mud position survey meter
Just, and sludge capacity of returns conditioning of mud outer discharge capacity, with cause in device for separating mud and water have suitable sludge quantity, really
Protect optimal concentrated water processing operating point；Wherein it is possible to which the factor such as utilization rate according to activated carbon determines the capacity of returns of sludge.It is logical
Quantization sludge reflux amount and outer discharge capacity are crossed, the utilization rate of medicament has both been improved, while in turn ensure that follow-up reverse osmosis concentrated water process
The quality of the primary water obtained afterwards.
It is preferred that, the coagulation device and flocculation plant can also be connected with chemicals dosing plant, and chemicals dosing plant can select this area
General medicament adding device, for add with precipitation, clarification, separating effect water treatment agent, including but not limited to wad a quilt with cotton
The water treatment agents such as solidifying agent, coagulant, flocculation aid.
A kind of method that reverse osmosis concentrated water process is carried out using above-mentioned reaction system, is comprised the following steps：
(1) powder electroless plating is handled：Pending reverse osmosis concentrated water is inhaled by concentrated water import into activated carbon first
Reaction enclosure device, under the quick mixing of agitator, add powder electroless plating agent, make Powdered Activated Carbon with it is pending
Concentrated water fully contacts generation adsorption reaction precipitation, to remove most of organic pollutants and ammonia nitrogen, reduces the COD value and ammonia nitrogen of concentrated water
Content, wherein, those skilled in the art can select appropriate Powdered Activated Carbon, such as powder activity according to the utility model
The mesh number of charcoal can be 50-300, the mesh number of Powdered Activated Carbon is big, and adsorption capacity is stronger, and effect is more notable, and activated carbon is added
Amount can be selected according to actual conditions such as the contents of water pollutant, for example, can be 450-500mg/L.
(2) coagulating treatment：After being handled through powder electroless plating, the mixed liquor in adsorbent equipment, i.e. adsorption reaction are produced
Sediment and concentrated water, by mixture export discharge and by coagulation device mixed liquor import enter coagulation device in, in coagulation
Coagulating sedimentation reaction occurs for the pollutant in dosing coagulant in device, with Powdered Activated Carbon and concentrated water, forms flco, removes simultaneously
Remove total phosphorus, reduce total phosphorus content, wherein, the type and concentration of coagulant can be selected according to actual needs, for example can be with
For aluminium polychloride, ferric trichloride, poly-ferric chloride, aluminum sulfate, ferrous sulfate, alum (alum), sodium aluminate or sulfuric acid
Iron etc., the concentration of coagulant can be 15-20mg/L；
(3) flocculation treatment：After being handled through coagulant, the mixed liquor in coagulation device is discharged by mixture export and by flocculating
The mixed liquor import of device enters in flocculation plant, and flocculant is added in flocculation plant and carries out flocculation reaction, makes flco continuous
Increase, in order to mud-water separation, and further COD value and total phosphorus, the content of ammonia nitrogen in reduction concentrated water, wherein, flocculant
Type and concentration can be selected according to actual needs, for example can for polyacrylic acid, Sodium Polyacrylate, calcium polyacrylate (CPA) or
Polyacrylamide etc., the concentration of flocculant can be 0.5-1mg/L；
(4) mud-water separation is handled：Mixed liquor after flocculation treatment is discharged and by mud from the mixture export of flocculation plant
The mixed liquor import of water separation device enters the separation that device for separating mud and water carries out sludge and primary water, and the primary water isolated leads to
Cross outside water pipeline and arrange；
(5) sludge for isolating step (4) is transported in powder electroless plating reaction unit by return line.
Preferably, in step (5), the sludge that step (4) is isolated quantitatively is transported to powder work by return line
Property charcoal adsorption reaction device in, and according to mud position survey meter detect mud position and sludge reflux amount, remainder is passed through
Sludge pipeline is quantitatively outer to be arranged.
The utility model is described in further detail by the following examples.
Embodiment 1
Sampled assay, pending influent quality condition is as follows：
Table 1
| Detection project | COD | Ammonia nitrogen | Total phosphorus |
| Content (mg/L) | 107.43 | 7.74 | 2 |
Using the reverse osmosis thick water treatment system described in the utility model the first embodiment, processing technological flow referring to
Fig. 1, it is specific as follows：
(1) pending reverse osmosis concentrated water enters powder electroless plating reaction unit by concentrated water import first, and startup is stirred
Mix device and mixed about 10-20min, while adding Powdered Activated Carbon, activated carbon is fully contacted hair with pending concentrated water
Raw adsorption reaction precipitation, to remove most of organic pollutants and ammonia nitrogen, reduces the COD value and ammonia-nitrogen content of concentrated water, wherein, powder
Activated carbon mesh number is 200, and input amount is about 450mg/L；
(2) after being handled through charcoal absorption, the sediment and dense that the mixed liquor in adsorbent equipment, i.e. adsorption reaction are produced
Water, is discharged by mixture export and is entered by the mixed liquor import of coagulation device in coagulation device, while being thrown in coagulation device
Plus coagulating sedimentation reaction 2-5min occurs for the pollutant in aluminium polychloride coagulant, with Powdered Activated Carbon and concentrated water, makes activity
Pollutant reaction formation flco in charcoal and concentrated water, while removing total phosphorus, reduces total phosphorus content, wherein, aluminium polychloride is added
Measure as 18mg/L；
(3) after being handled through coagulant, the mixed liquor in coagulation device is discharged by mixture export and by the mixed of flocculation plant
Close liquid import to enter in flocculation plant, polyacrylamide flocculant is added in flocculation plant, carry out flocculation reaction 2-5min, make
Flco constantly increases, in order to mud-water separation, and further COD value and total phosphorus, the content of ammonia nitrogen in reduction concentrated water, wherein,
The dosage of polyacrylamide is 0.8mg/L；
(4) mixed liquor after flocculation treatment is discharged from the mixture export of flocculation plant and by the mixed of device for separating mud and water
Close liquid import and enter the separation that device for separating mud and water carries out sludge and primary water, the sludge isolated by being arranged outside sludge pipeline,
Primary water outside water pipeline by arranging；
The operational factor of counter-infiltration (RO) concentrated water reaction system is as follows：
The inlet of reverse osmosis concentrated water is 353m in charcoal absorption reaction unit3Primary water in/h, device for separating mud and water
Discharge rate be 350m3/ h, the discharge rate of sludge is 8m3/h。
Reverse osmosis concentrated water is after above-mentioned processing, and COD is stable to be down to 42.97mg/L, and the content of ammonia nitrogen is down to 4.22mg/L,
The content of total phosphorus is down to 0.25mg/L, and water outlet has reached first discharge standard, and the treating capacity of system concentrated water is 353m3/h。
Embodiment 2
Using the reverse osmosis thick water treatment system described in second of embodiment of the utility model, processing technological flow referring to
Fig. 2, it is specific as follows：
(1) pending reverse osmosis concentrated water enters charcoal absorption reaction unit by concentrated water import first, starts agitator
Mixing 10-20min is carried out, while adding Powdered Activated Carbon, Powdered Activated Carbon is fully contacted generation with pending concentrated water
Adsorption reaction is precipitated, wherein, Powdered Activated Carbon mesh number is 200, and input amount is about 400mg/L；
(2) after being handled through charcoal absorption, the sediment and dense that the mixed liquor in adsorbent equipment, i.e. adsorption reaction are produced
Water, is discharged by mixture export and is entered by the mixed liquor import of coagulation device in coagulation device, added in coagulation device poly-
Close aluminium chloride coagulant, with Powdered Activated Carbon and concentrated water in pollutant occur coagulating sedimentation reaction 2-5min, make activated carbon and
Pollutant reaction formation flco in concentrated water, while removing total phosphorus, reduces total phosphorus content, wherein, the dosage of aluminium polychloride
For 18mg/L；
(3) after being handled through coagulant, the mixed liquor in coagulation device is discharged by mixture export and by the mixed of flocculation plant
Close liquid import to enter in flocculation plant, polyacrylamide flocculant is added in flocculation plant, carry out flocculation reaction 2-5min, make
Flco constantly increases, in order to mud-water separation, and further COD value and total phosphorus, the content of ammonia nitrogen in reduction concentrated water, wherein,
The dosage of polyacrylamide is 0.8mg/L；
(4) mixed liquor after flocculation treatment is discharged from the mixture export of flocculation plant and by the mixed of device for separating mud and water
Close liquid import and enter the separation that device for separating mud and water carries out sludge and primary water, the primary water isolated by water pipeline outside
Row；
(5) the mud place value height that activated carbon sludge is detected according to mud position survey meter, the sludge that will be isolated in step (4)
It is divided into two parts, a part is discharged by sludge outlet and enters charcoal absorption reaction unit by return line, sludge import
In, remainder is used as row outside failure charcoal mud.
The operational factor of counter-infiltration (RO) concentrated water processing unit is as follows：
The inlet of reverse osmosis concentrated water is 353m in charcoal absorption reaction unit3Primary water in/h, device for separating mud and water
Discharge rate be 350m3/ h, the sludge quantity for being back to charcoal absorption reaction unit is 20m3/ h, failure charcoal mud discharge rate be
5m3/h。
Reverse osmosis concentrated water is after above-mentioned processing, and COD value is down to 45mg/L, and the content of ammonia nitrogen is down to 4.57mg/L, total phosphorus
Content be down to 0.26mg/L, water outlet has reached first discharge standard, and the treating capacity of system concentrated water is 353m3/h。
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand system of the present utility model and its core concept；Simultaneously for the general technology of this area
Personnel, according to thought of the present utility model, will change in specific embodiments and applications, in summary,
This specification content should not be construed as to limitation of the present utility model.
Claims (5)
1. a kind of reverse osmosis thick water treatment system, including：Powder electroless plating reaction unit, coagulation device, flocculation plant and
Device for separating mud and water；
Powder electroless plating reaction unit, for receiving reverse osmosis concentrated water and Powdered Activated Carbon, so that the two mixes and reacted；
Coagulation device, is connected with the powder electroless plating reaction unit, and the powder electroless plating is come from for receiving
The reaction mixture and coagulant of reaction unit, so that the two mixes and reacted；
Flocculation plant, is connected with the coagulation device, for receiving reaction mixture and flocculant from the coagulation device,
So that the two mixes and reacted；
Device for separating mud and water, is connected with the flocculation plant, for receiving the reaction mixture from the flocculation plant, goes forward side by side
Row mud-water separation.
2. reverse osmosis thick water treatment system as claimed in claim 1, wherein, it is the powder electroless plating reaction unit, mixed
Agitator is equipped with inside solidifying device, flocculation plant, for being mixed.
3. reverse osmosis thick water treatment system as claimed in claim 1, wherein, the device for separating mud and water be inclined-plate clarifying basin or
Tube settler.
4. the reverse osmosis thick water treatment system as described in claim 1-3 is any, in addition to connect the device for separating mud and water with
The return line of the powder electroless plating reaction unit.
5. reverse osmosis thick water treatment system as claimed in claim 4, wherein, provided with the detection of mud position in the device for separating mud and water
Instrument.
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