CN202369455U - Wastewater treatment system - Google Patents
Wastewater treatment system Download PDFInfo
- Publication number
- CN202369455U CN202369455U CN2011204109166U CN201120410916U CN202369455U CN 202369455 U CN202369455 U CN 202369455U CN 2011204109166 U CN2011204109166 U CN 2011204109166U CN 201120410916 U CN201120410916 U CN 201120410916U CN 202369455 U CN202369455 U CN 202369455U
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- waste water
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Abstract
A wastewater treatment system comprises a wastewater basin, a regulating reservoir, a flocculation basin, a sedimentation basin, a neutralization basin, a discharge basin, a sand filtration tank, a water reservoir, a set of neutral water reclamation pipeline and a set of sludge treatment pipeline, and is characterized in that the water inlet of the regulating reservoir is communicated with the water outlet of the wastewater basin; and the water outlet of the regulating reservoir is communicated with the water inlet of the flocculation basin. Sludge, suspended matters and the like, which can be produced in a common neutralization process, are treated by the wastewater treatment system, so as to avoid the influence on the whole treatment system caused by the sludge and the suspended matters; and the wastewater treatment system increases the wastewater reclamation rate, achieves the effects of energy conservation and environmental protection and has a broad application prospect in the industry.
Description
Technical field
The utility model relates to steel and makes the field, is specifically related to a kind of Waste Water Treatment of steel production industry.
Technical background
In the middle of the production process of steel, wire rod, be in order to remove the oxidation on metal surface thing, to adopt acid such as sulfuric acid, nitric acid, hydrochloric acid, hydrofluoric acid and phosphoric acid to carry out to produce a large amount of waste water usually when acid wash is handled.This waste water has a large amount of metals ions and suspended substance, handle steel pickling waste liquor the most frequently used be the lime neutralisation, in waste water, add slaked lime waste water neutralized, pH value is reached between 5.6～6.5, discharge after reaching discharging standards.Neutralisation is simple and easy to do, but have following point: manage loaded down with trivial detailsly, wayward, wastewater treatment capacity is restricted; Sulfuric acid in the waste water, water, FeO, Fe3O4 and FeSO4 fail to utilize; The gaseous diffusion that generates in the treating processes causes secondary pollution; Sludge quantity is big, remaining salt residue treatment difficulty.
The utility model content
For solving the problem of above-mentioned technical existence, the utility model provides a kind of Waste Water Treatment, and original common neutralisation is improved and improved, and the utility model adopts following technical scheme:
A kind of Waste Water Treatment; Comprise a wastewater disposal basin, an equalizing tank, a flocculation basin, a settling tank, a neutralization tank, release a water recycling pipeline and a cover sludge treatment pipeline in pond, a sandfiltration pot, a water reservoir, the cover; It is characterized in that: the water-in of said equalizing tank is communicated with the water outlet of said wastewater disposal basin, and its water outlet is communicated with the water-in of said flocculation basin; The water-in of said settling tank is communicated with said flocculation basin, and its water outlet that is positioned at top, pond leads to the water-in of said neutralization tank, and the sludge outlet of its underpart leads to the water-in in the mud compression pond in the said sludge treatment pipeline; The water outlet of said neutralization tank is communicated with the water-in in the said pond of releasing; The water-in of said sandfiltration pot is communicated with the water outlet in the said pond of releasing; The sewage outlet of said sandfiltration pot is communicated with the sand filtration waste water import of said wastewater disposal basin, its first clear water output with said in water tank in the water recycling pipeline be communicated with; Its second clear water output is communicated with the water-in of said water reservoir; Said sludge treatment pipeline comprises a said sludge thickener, pressure mud machine and mud waste water inlet channel and mud waste water outlet conduit; The water recycling pipeline comprises water-recovery apparatus and intermediate water pipeline in a said water tank, the cover in said; Said wastewater disposal basin also has a mud waste water import to be communicated with said mud waste water outlet conduit except that a water outlet and the import of a said sand filtration waste water are arranged.
The utility model is compared with background technology, has following advantage: 1, problems such as the utility model mud that common neutralisation is produced, suspended substance are handled, and have solved the influence to the entire treatment system of mud, suspended substance; 2, the utility model has improved the waste water reclamation rate; 3, the utlity model has effect in energy saving and environmental protection, in industry, be with a wide range of applications.
Description of drawings
Accompanying drawing 1 is the equipment flowsheet of the utility model
Embodiment:
Shown in accompanying drawing 1, a kind of Waste Water Treatment comprises a wastewater disposal basin 1, a settling tank 4, a neutralization tank 5, a water reservoir 8; Also comprise: an equalizing tank 2, one flocculation basins 3, a pond 6 of releasing; A water recycling pipeline 9 and a cover sludge treatment pipeline 10 in one sandfiltration pot, 7, one covers; Said sludge treatment pipeline 10 comprises a sludge thickener 101, presses mud machine 102 and mud waste water inlet channel and mud waste water outlet conduit; Water recycling pipeline 9 comprises water-recovery apparatus 92 and intermediate water pipeline in a water tank 91, the cover in said; Said wastewater disposal basin 1 also has a mud waste water import that is communicated with said mud waste water outlet conduit and the import of a sand filtration waste water except that a water outlet is arranged; Said wastewater disposal basin 1 is added with lime and NaOH, and the scope of the pH value of this Chi Shui in PH6～10 is set; The pond water ph value of said equalizing tank 5 is adjusted in the scope of PH7.05～8.31; Its water-in is communicated with the water outlet of said wastewater disposal basin 1; Its water outlet is communicated with the water-in of said flocculation basin 3; The water-in of said settling tank 4 is communicated with flocculation basin 3; Its water outlet that is positioned at top, pond leads to the water-in of said neutralization tank 5; The sludge outlet of its underpart leads to the water-in in said mud compression pond 101; The pond water ph value of said neutralization tank 5 is adjusted to the scope of PH7.7～8.2; Its water outlet is communicated with said water-in of releasing pond 6; The water-in of said sandfiltration pot 7 is communicated with said water outlet of releasing pond 6; The sewage outlet of said sandfiltration pot 7 is communicated with the said sand filtration waste water import of said wastewater disposal basin 1; Its first clear water output with said in said water tank 91 in the water recycling pipeline 10 be communicated with; Its second clear water output is communicated with the water-in of said water reservoir 8.
In the present embodiment, the function of each major equipment: wastewater disposal basin 1: add lime and NaOH, make the pH value of water play the effect of regulating pH value for the first time in the scope of PH6～10; Equalizing tank 2: be adjusted to the scope of PH7.05～8.31 to water, play the effect of adjusting pH value for the second time; Settling tank 4: upper water flows in the neutralization tank, and lower floor's mud is extracted into sludge thickener 101 and handles; Neutralization tank 5: the scope that is adjusted to water PH7.7～8.2; Sandfiltration pot 7: filter the pond 6 of releasing, reduce the content of suspended substance; Water tank 91: store up water to a certain degree, water reuse apparatus in using automatically again improves plant factor, energy-conserving and environment-protective; Middle water reuse apparatus 92: the water after water reuse apparatus filters in the process just can discharge, and utilization again.
More than the detailed introduction of a kind of Waste Water Treatment that the utility model embodiment is provided; For one of ordinary skill in the art; Thinking according to the utility model example; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (4)
1. Waste Water Treatment; Comprise a wastewater disposal basin, an equalizing tank, a flocculation basin, a settling tank, a neutralization tank, release a water recycling pipeline and a cover sludge treatment pipeline in pond, a sandfiltration pot, a water reservoir, the cover; It is characterized in that: the water-in of said equalizing tank is communicated with the water outlet of said wastewater disposal basin, and its water outlet is communicated with the water-in of said flocculation basin; The water-in of said settling tank is communicated with said flocculation basin, and its water outlet that is positioned at top, pond leads to the water-in of said neutralization tank, and the sludge outlet of its underpart leads to the water-in in the mud compression pond in the said sludge treatment pipeline; The water outlet of said neutralization tank is communicated with the water-in in the said pond of releasing; The water-in of said sandfiltration pot is communicated with the water outlet in the said pond of releasing; The sewage outlet of said sandfiltration pot is communicated with the sand filtration waste water import of said wastewater disposal basin, its first clear water output with said in water tank in the water recycling pipeline be communicated with; Its second clear water output is communicated with the water-in of said water reservoir.
2. a kind of Waste Water Treatment according to claim 1 is characterized in that: said sludge treatment pipeline comprises a said sludge thickener, pressure mud machine and mud waste water inlet channel and mud waste water outlet conduit.
3. a kind of Waste Water Treatment according to claim 1 is characterized in that: the water recycling pipeline comprises water-recovery apparatus and intermediate water pipeline in a said water tank, the cover in said.
4. a kind of Waste Water Treatment according to claim 1 and 2 is characterized in that: said wastewater disposal basin also has a mud waste water import to be communicated with said mud waste water outlet conduit except that a water outlet and the import of a said sand filtration waste water are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204109166U CN202369455U (en) | 2011-10-18 | 2011-10-18 | Wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204109166U CN202369455U (en) | 2011-10-18 | 2011-10-18 | Wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369455U true CN202369455U (en) | 2012-08-08 |
Family
ID=46593168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204109166U Expired - Fee Related CN202369455U (en) | 2011-10-18 | 2011-10-18 | Wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202369455U (en) |
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2011
- 2011-10-18 CN CN2011204109166U patent/CN202369455U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20201018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |