CN202519095U - Effective phosphorous removing and harness reducing reclaimed-water processing device - Google Patents
Effective phosphorous removing and harness reducing reclaimed-water processing device Download PDFInfo
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- CN202519095U CN202519095U CN2012201619392U CN201220161939U CN202519095U CN 202519095 U CN202519095 U CN 202519095U CN 2012201619392 U CN2012201619392 U CN 2012201619392U CN 201220161939 U CN201220161939 U CN 201220161939U CN 202519095 U CN202519095 U CN 202519095U
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Abstract
An effective phosphorous removing and harness reducing reclaimed-water processing device comprises a pond body inner defecation system, a water inlet pipe and a lime milk adding pump. The pond body inner defecation system comprises a cylinder-shaped pond body and a composite cylinder body, wherein a section of the composite cylinder body is in an n shape, and the composite cylinder body with the section which is in the n shape is arranged inside cylinder-shaped pond body. A bell-shaped cylinder body is sleeved outside a straight cylinder body, the lower end of the bell-shaped cylinder body is provided with an opening, and an unsteady flow deflecting plate which is folded outward is connected between the top and a side portion of the bell-shaped cylinder body. A water inlet pipe is communicated with a lower portion of the straight cylinder body, and reaction spaces are arranged inside gaps of the straight cylinder body and the bell-shaped cylinder body and inside a volume space of the straight cylinder body. Reactions between raw water inlet water and drugs, and between the raw water inlet water and backflow flocculation sludge happen in the reaction spaces, and the lime milk adding pump is arranged above the defecation system. The effective phosphorous removing and harness reducing reclaimed-water processing device is wide in an applied range, capable of rapidly achieving processing effects of effective phosphorous removing and harness reducing, capable of working simply and easy to operate.
Description
One, technical field
The utility model relates to the middle water treatment device of water treatment field, is that water treatment device in the hardness falls in a kind of efficient dephosphorization specifically.
Two, background technology
The regeneration after treatment of dirty waste water for industrial enterprise provides new water source, can alleviate water environment pollution like this, and the protection water resources is not damaged, again can energy efficiency, realize sewage recycling, and improve the effective configuration and the utilization ratio of water resources.Trade effluent, municipal wastewater generally all will pass through secondary biochemical treatment and just can reach discharging standards at present; But the phosphorus-containing matter matter of residual difficult for biological degradation in the discharge water after the biochemical treatment; Phosphorus-containing matter matter is constantly accumulation in natural water, can cause serious water surrounding eutrophication.Needing increases fund input, carries out the transformation and upgrade of traditional water treatment technology, could adapt to improving constantly of National Environmental standard.Adopt advanced treatment of wastewater technology or middle water technology when adapting to country's raising emission standard, also to develop new approach for the final improvement of utilization of wastewater resource.
The regeneration of effluent sewage is a systems engineering; Mainly comprise raw waste water treatment system, transmission & distribution water system, middle water treatment system and Monitoring systems etc., the middle water treatment system of wherein handling as the enterprise-level process water is to realize the key link of " second water resources ".The water treatment practical technique is mainly following several kinds in current: 1. physics method comprises screening out, all and methods such as adjusting, deposition, filtration and spinning; 2. chemical method comprises methods such as neutralization, chemical precipitation, redox, electrolysis and sterilization; 3. physico-chemical processes comprises methods such as coagulation clarification, air supporting, absorption, IX and membrane sepn.
Middle water treatment will consider that when carrying out process choice character, the quality of reused water of former water require and the economic condition of enterprise, according to the quality of reused water requirement, and water treatment technology in confirming.The water recovering process technology is generally and comprises certain the leading core technology device and the optimum combination of other Technologies in practical engineering project is used.Trade effluent and the municipal wastewater middle water water quality difference after secondary biochemical treatment is little; While is as the water source of process water; The basic water quality requirement of its pretreated water is similar; Therefore can study middle water technology general under multiple condition, guarantee the stdn of technology of middle water recycle and economically feasible, the reasonable in technology, stable of device.
In the engineering project of existing industrial enterprise water reuse in recirculated water, wastewater zero discharge reach, water is easy to generate the solid matter enrichment through after repeatedly recycling, and the especially accumulation of hardness has directly limited the application of technology of middle water recycle.The main mode that solves the solids enrichment at present is to adopt accumulation multiple to efflux method, and the outer water displacement of this method is big, and the utilization ratio of water resources is low.Have being widely used of various desalting method (especially membrane technique) in modern times in the water technology; The normal reverse osmosis process that adopts carries out partially desalted in reclaiming system; Reduce hardness; But require harshly because reverse osmosis process gets into pre-treatment before the membrane element to former water, the effluent quality index is high, and to handle investment too high for only carrying out general remollescent reuse water.
Adopt water and the water treatment system technology that loops back water in the municipal administration to solve the remove photoresist present situation of molten impurity of hardness accumulation and dephosphorization to present industrial enterprise; Adopt efficient dephosphorization to fall that water treatment device is that industrial enterprise provides a kind of new middle water technology in the hardness, water treatment device has excellent pollutant removal and the characteristic that is easy to control in this.Simultaneously, it is big to solve the conventional lime method machinery settling pond ubiquity dosing that adopts, and goes hardness efficient low, is easy to fouling obstruction or mud and turns over the pond phenomenon.
Three, summary of the invention
The purpose of the utility model is: the existing middle water treatment device water reclamation rate of solution is lower; Can not efficiently reduce reuse water hardness and the problem of removing phosphorus-containing matter, peptization class impurity in the water fast; A kind of remove efficiently in the technical grade phosphorus-containing matter and hardness salt in the water reuse are provided; And the middle water treatment device of stable reuse water quality, to improve the comprehensive utilization of water resources rate, the dephosphorization when being particularly suitable for the elementary reuse of water in the big flow with the hardness processing is fallen.
The utility model technical scheme is: water treatment device in the hardness falls in efficient dephosphorization, comprises that clarification system, water inlet pipe and milk of lime add pump in the body of pond; Clarification system comprises that a cylindrical pond body becomes the compound cylindrical shell of π type with section in the body of said pond; The compound cylindrical shell that section becomes the π type is installed in the body of cylindrical pond; The cross section that section becomes the compound cylindrical shell of π type to be made up of bell shape cylindrical shell and straight barrel is the composite structure of π type; The bell shape barrel jacket places outside the straight barrel, and there is opening bell shape cylindrical shell lower end, is connected with the unsteady flow deflecting plate of outside folding between the top of bell shape cylindrical shell and the sidepiece; Water inlet pipe communicates with the straight barrel bottom, in straight barrel and the bell shape cylindrical shell gap and the volume space (first reaction chamber) in the straight barrel be former water water inlet and medicament and the backflow sludge reaction space of flocculating; Milk of lime adds pump and is placed on the clarification system.Water inlet pipe inserts the straight barrel bottom through the water-in tangential.
Milk of lime adds pump can be based on a cover lime system.Said lime turnkey is drawn together lime silo 4, activation hopper 5, screw feeder 6, worm conveyor 7, lime dissolving case 8, milk of lime equilibrium box 10 and milk of lime and is added pump 9, and the milk of lime that the lime system produces adds pump 9 by milk of lime and adds clarification system.
Milk of lime adds at the straight barrel upper area, falls the pH of hardness reaction and raising water body.The reaction back gets in bell-jar cylindrical shell and formed second reaction chamber in straight barrel gap; Current transfer to down to stream; Water flow velocity slows down and prolongs the dosing reaction time simultaneously; Flocculation mud knot gathers reaction and absorption removes salt, contains phosphorus impurities in second reaction chamber: flocculate into knot and increase the weight of after sludge settling go in this water treatment device bottom mud accumulation region and compress to be deposited to the bottom, pond, discharge through sludge out pipe; Remove clear water behind all kinds of impurity and turn to up-flow after through second reaction chamber, simultaneously since this moment the up-flow section the expansion flow velocity slow down, help contained part mud impurity sedimentation under action of gravity in the clear water stream, realize mud-water separation; Clear water is discharged through the rising pipe on top, pond.
Water treatment device in said, water inlet pipe communicates with straight barrel through water-in; The bottom is provided with the current stirring riser is connected with rotating mechanism in straight barrel, and current stirring riser is below water-in and be not less than the straight barrel lower rim.The lower rim of bell shape cylindrical shell is connected with the unsteady flow diffuser plate of outside folding, is connected with the unsteady flow deflecting plate of outside folding between the top of bell shape cylindrical shell and the sidepiece.The taper sludge hopper is set below mud mouth, and sludge out pipe communicates with the sludge hopper bottom; The mud agitating plate that is connected with rotating mechanism is set in sludge hopper.The radial-flow water leg is set on top, and rising pipe communicates with the radial-flow water leg.
The beneficial effect of the utility model: (1) technical matters is succinct, and the device process for processing is convenient, and device can adopt and carry out steelwork typing weldering system or adopt matrix material (like the glass steel) moulded section manufacturing in batches; (2) this device except that containing Phosphorus, peptization class impurity, reduces hardness in can anhydrating effectively, saves dosing, improves the stability and the water recovery utilization rate of industrial process waters process system overall operation, the conserve water resource; (3) this device suitability is strong, to coming the water water quality requirement lower, can be widely used in the middle water treatment procedure of various reuse waters and circulating water system.
Four, description of drawings
Shown in Figure 1 is middle water treatment device diagrammatic cross-section, and shown in Figure 2 is middle water treatment device schematic top plan view.
1 water inlet pipe among the figure, 2 rising pipes, 3 shore pipes, 4 lime silos, 5 activation hoppers; 6 screw feeders, 7 worm conveyors, 8 milk of limes dissolving case, 9 milk of limes add pump; 10 milk of lime equilibrium boxs, 11 π type mechanical accelerating purifying pool stirrers, 12 bell jar type tube bodies, 13 straight barrels.
Five, embodiment
With reference to Fig. 1,2, specific embodiment is following:
Former water gets into first reaction chamber that forms in 13 straight barrels in the π type complex structure body through water inlet pipe 1, near water treatment agent (compound iron salt coagulant) in this cylindrical shell, adding the water entry top, and rotation mixed after current got into cylindrical shell.Current are after the reaction of the first reaction chamber mixed flocculation; Up-flow adds pump 9 through milk of lime during to the first reaction chamber top and adds the niter lixiviums and fall the hardness reaction and promote the pH value that coagulating reduces; Get into subsequently in bell-jar cylindrical shell 12 and formed second reaction chamber in straight barrel 13 gaps; Current transfer to down to stream, and water flow velocity slows down and prolongs the dosing reaction time simultaneously, and flocculation mud knot gathers reaction and absorption is fallen except that salt, contained Phosphorus impurity in second reaction chamber.The sludge settling of flocculation after increasing the weight of goes in this water treatment device bottom mud accumulation region and compresses to be deposited to the bottom, pond, discharges through sludge out pipe 3.Remove clear water behind all kinds of impurity and turn to up-flow after through second reaction chamber, simultaneously since this moment the up-flow section the expansion flow velocity slow down, help in the clear water stream contained part mud impurity and under action of gravity, continue sinking and detach clear water and flow; The up-flow clear water is through the rising pipe 2 on top, pond, the qualified water outlet of output.
Petrochemical wastewater is back to the practical implementation effect of circulation supplementary feed and sees table 1.
Table 1 petrochemical wastewater circulation supplementary feed treatment effect
| Project | CODcr（mg/L） | Organophosphorus (mg/L) | NTU | SO 4 2-（mg/L） | Ca 2+（mg/L） | Total hardness (mg/L) |
| Water inlet | 121 | 1.05 | 14.5 | 187 | 181.4 | 227.8 |
| Water outlet | 38 | 0.08 | 0.19 | 31.2 | 71.8 | 81.5 |
| Clearance | 67% | 92% | 97% | 83% | 60% | 64% |
Claims (3)
1. water treatment device in the hardness falls in efficient dephosphorization, it is characterized in that comprising that clarification system, water inlet pipe and milk of lime add pump in the body of pond; Clarification system comprises that a cylindrical pond body becomes the compound cylindrical shell of π type with section in the body of said pond; The compound cylindrical shell that section becomes the π type is installed in the body of cylindrical pond; The cross section that section becomes the compound cylindrical shell of π type to be made up of bell shape cylindrical shell and straight barrel is the composite structure of π type; The bell shape barrel jacket places outside the straight barrel, and there is opening bell shape cylindrical shell lower end, is connected with the unsteady flow deflecting plate of outside folding between the top of bell shape cylindrical shell and the sidepiece; Water inlet pipe communicates with the straight barrel bottom, in straight barrel and the bell shape cylindrical shell gap and the volume space in the straight barrel be former water water inlet and the medicament and the sludge reaction space of flocculating of refluxing; Milk of lime adds pump and is placed on the clarification system.
2. water treatment device in the hardness falls in efficient dephosphorization according to claim 1, it is characterized in that water inlet pipe passes through the water-in tangential and inserts the straight barrel bottom.
3. water treatment device in the hardness falls in efficient dephosphorization according to claim 1, it is characterized in that the outward-dipping current guide direction variable plate of bell shape cylindrical shell lower rim installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201619392U CN202519095U (en) | 2012-04-17 | 2012-04-17 | Effective phosphorous removing and harness reducing reclaimed-water processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201619392U CN202519095U (en) | 2012-04-17 | 2012-04-17 | Effective phosphorous removing and harness reducing reclaimed-water processing device |
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| Publication Number | Publication Date |
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| CN202519095U true CN202519095U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201619392U Expired - Lifetime CN202519095U (en) | 2012-04-17 | 2012-04-17 | Effective phosphorous removing and harness reducing reclaimed-water processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922450A (en) * | 2014-04-10 | 2014-07-16 | 北京工业大学 | Efficient hardness removal method and device applicable to underground water |
| CN113845195A (en) * | 2021-11-01 | 2021-12-28 | 深圳市瑞清环保科技有限公司 | Dephosphorization equipment for town-based sewage treatment and use method |
-
2012
- 2012-04-17 CN CN2012201619392U patent/CN202519095U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922450A (en) * | 2014-04-10 | 2014-07-16 | 北京工业大学 | Efficient hardness removal method and device applicable to underground water |
| CN103922450B (en) * | 2014-04-10 | 2016-04-06 | 北京工业大学 | A kind of method and device being applicable to ground water hardness removal |
| CN113845195A (en) * | 2021-11-01 | 2021-12-28 | 深圳市瑞清环保科技有限公司 | Dephosphorization equipment for town-based sewage treatment and use method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20121107 |