CN201999832U - Treatment device for treating high-salinity, non-biodegradable toxic industrial wastewater - Google Patents
Treatment device for treating high-salinity, non-biodegradable toxic industrial wastewater Download PDFInfo
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- CN201999832U CN201999832U CN2011200677165U CN201120067716U CN201999832U CN 201999832 U CN201999832 U CN 201999832U CN 2011200677165 U CN2011200677165 U CN 2011200677165U CN 201120067716 U CN201120067716 U CN 201120067716U CN 201999832 U CN201999832 U CN 201999832U
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- pond
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- industrial wastewater
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Abstract
The utility model discloses a treatment device for treating high-salinity, non-biodegradable toxic industrial wastewater. An A/O treatment pond comprises an A section and an O section. A regulating pond, a micro electrolytic cell, a coagulation and settlement pond, a salt-tolerant bacteria treatment pond, the A/O treatment pond, a secondary settlement pond and a filtering pond are sequentially connected. A sludge concentration pond is respectively connected with the coagulation and settlement pond, the secondary settlement pond and a sludge dehydrator. A salt-tolerant bacteria culture pond is connected with the salt-tolerant bacteria treatment pond. The high-salinity, non-biodegradable toxic industrial wastewater enters the regulating pond for regulation of water quality and water volume, most of non-biodegradable organic and toxic substances are removed through the micro electrolytic cell and the coagulation and settlement pond, the supernatant fluid of the coagulation and settlement pond enters the salt-tolerant bacteria treatment pond, the salt-tolerant bacteria treatment pond can improve the salt tolerance of biochemical sludge, biochemical treatment is conducted to the outlet water of the salt-tolerant bacteria treatment pond through the A/O treatment pond, the sludge is separated from the secondary settlement pond, the supernatant fluid is filtered finally through the filtering pond, and the outlet water satisfies standards. The treatment device for treating the high-salinity, non-biodegradable toxic industrial wastewater has the advantages of good treatment effect, low operating cost and easiness in popularization and application.
Description
Technical field
The utility model relates to field of environment protection, relates in particular to the high salt of a kind of processing, difficult for biological degradation, deleterious Industrial Wastewater Treatment device.
Background technology
Often contain difficult for biological degradation, deleterious composition in the trade effluent such as medication chemistry, printing dye, therefore it is infeasible directly adopting biochemical process, pretreatment process before biochemical at present has the little electrolysis of iron charcoal, catalytic oxidation or Fenton oxidation, but the little electrolysis of iron charcoal is lumpd easily, catalytic oxidation or Fenton oxidation running cost are higher, therefore, it is very important how strengthening biochemical preceding pre-treatment.Simultaneously, also can produce the very high organic waste water of salinity in the Industrial processes, the salt concentration of comprehensive wastewater also often surpasses 3%, high salt, difficult for biological degradation, deleterious trade effluent are very difficult, a lot of enterprises carry out biochemical treatment after having to utilize some clear water dilutions again, not only cause the waste of water resources, also increased the treatment facility scale, this class waste water has become the difficult point of water treatment field.
At this high difficult for biological degradation of class waste water COD content and the high characteristics of salinity, the pre-treatment before enhanced biological is handled is essential.At present only adopt the little electrolysis of iron charcoal, catalytic oxidation or Fenton oxidation can not effectively improve the biodegradability of waste water.
Summary of the invention
The purpose of this utility model is by strengthening materialization and biochemical treatment function, the high salt of a kind of processing, difficult for biological degradation, deleterious Industrial Wastewater Treatment device being provided.
Handle high salt, difficult for biological degradation, deleterious Industrial Wastewater Treatment device and comprise equalizing tank, micro cell, coagulative precipitation tank, salt tolerant bacterium treating pond, A/O treating pond, second-level settling pond, filtering basin, salt tolerant bacterium cultivation pool, sludge thickener, sludge dewatering equipment, salt tolerant bacterium treating pond comprises bio-carrier and aerator; The A/O treating pond comprises A section and O section; Equalizing tank, micro cell, coagulative precipitation tank, salt tolerant bacterium treating pond, A/O treating pond, second-level settling pond, filtering basin connect in turn, sludge thickener is connected with sludge dewatering equipment with coagulative precipitation tank, second-level settling pond respectively, and salt tolerant bacterium cultivation pool links to each other with salt tolerant bacterium treating pond.
Described salt tolerant bacterium treating pond hangs with bio-carrier; The bio-carrier layer height accounts for 60～80% of total height; The bio-carrier diameter is 250～350mm, and the bio-carrier spacing is 150～300mm.
Described A/O treating pond is provided with aerator, and aerator is perforated pipe, single hole menbrane aerator, micro-hole aerator, can promote micro-hole aerator or swapping type does not have the bone micropore aeration pipe.
Described filtering basin are the activated carbon filtration pond.
Described sludge dewatering equipment is plate-and-frame filter press, belt filter press or whizzer.
Compared with prior art, the beneficial effect of the utility model patent is:
1, the utility model patent adopts equalizing tank, iron charcoal micro cell and the coagulation basin series connection of regulating water quality and quantity to handle, and can remove the bio-toxicity of non-solubility organism, reduction waste water;
2, the utility model patent employing salt tolerant bacterium treating pond can be handled the waste water under the high salinity, reduces the restraining effect to ordinary student metallization processes microorganism;
3, the utility model patent employing filtering basin are the activated carbon filtration pond, and the effluent quality of can checking on avoids the native system effluent quality to exceed standard;
4, the advantage of the utility model patent is that treatment effect is good, and running cost is low, is easy to apply.
Description of drawings
Accompanying drawing is a schema of handling high salt, difficult for biological degradation, deleterious Industrial Wastewater Treatment device.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model patent is described in further detail.
As shown in drawings, handle high salt, difficult for biological degradation, deleterious Industrial Wastewater Treatment device and comprise equalizing tank, micro cell, coagulative precipitation tank, salt tolerant bacterium treating pond, A/O treating pond, second-level settling pond, filtering basin, salt tolerant bacterium cultivation pool, sludge thickener, sludge dewatering equipment, salt tolerant bacterium treating pond comprises bio-carrier and aerator; The A/O treating pond comprises A section and O section; Equalizing tank, micro cell, coagulative precipitation tank, salt tolerant bacterium treating pond, A/O treating pond, second-level settling pond, filtering basin connect in turn, sludge thickener is connected with sludge dewatering equipment with coagulative precipitation tank, second-level settling pond respectively, and salt tolerant bacterium cultivation pool links to each other with salt tolerant bacterium treating pond.
Described salt tolerant bacterium treating pond hangs with bio-carrier; The bio-carrier layer height accounts for 60～80% of total height; The bio-carrier diameter is 250～350mm, and the bio-carrier spacing is 150～300mm.
Described A/O treating pond is provided with aerator, and aerator is perforated pipe, single hole menbrane aerator, micro-hole aerator, can promote micro-hole aerator or swapping type does not have the bone micropore aeration pipe.
Described filtering basin are the activated carbon filtration pond.
Described sludge dewatering equipment is plate-and-frame filter press, belt filter press or whizzer.
High salt, difficult for biological degradation, deleterious process for treating industrial waste water are: high salt, difficult for biological degradation, deleterious trade effluent at first enter equalizing tank and regulate water quality and quantity, hydraulic detention time 12-24h, can reach the effect of dilution hazardous and noxious substances, perforated pipe aerating regulation stirs, gas-water ratio (3-5): 1, aeration also can make the part volatile organism transfer in the atmosphere from water; The equalizing tank water outlet enters micro cell, and the reaction times is 1-4h, and iron-carbon ratio is (2-4): 1, and the pH value is 1.5～3.5, micro cell is mainly removed most of refractory organic and toxic substance; The micro cell water outlet enters coagulative precipitation tank, the coagulating time is 10-20min, sedimentation time is 1.5-2h, coagulating sedimentation is transferred to solid phase by the coagulating agent coagulating by liquid phase with most of refractory organic and toxic substance, utilizes spoil disposal that refractory organic in the waste water and toxic substance are removed; The water outlet of coagulative precipitation tank supernatant liquor enters salt tolerant bacterium treating pond, the biochemical reaction time is 12-36h, dissolved oxygen is 0.5～1mg/L, salt tolerant bacterium treating pond mainly utilizes the salt tolerant bacterium of salt tolerant bacterium cultivation pool inoculation to improve the salt tolerance of biochemical sludge, wherein the salt tolerant bacterium is cultivated through immobilization, mainly be fixed on the bio-carrier, both improved the unit volume microbial biomass, strengthened the anti-load impact ability of salt tolerant bacterium again; The water outlet of salt tolerant bacterium treating pond enters the A/O treating pond, the biochemical reaction time is 24-48h, and gas-water ratio is (20-45): 1, and the A section dissolved oxygen of A/O treating pond is 0.1～0.5mg/L, the O section dissolved oxygen of A/O treating pond is 2～4mg/L, and the A/O treating pond is removed most of organism; The O section water outlet of A/O treating pond enters second-level settling pond and separates biochemical sludge; The water outlet of second-level settling pond supernatant liquor enters filtering basin, and filtration time is 2-4h, and filtering basin utilize the adsorption of gac can further reduce the content of residual COD in the water, but the water outlet qualified discharge.The mud of concentration basin enters sludge dewatering equipment by the pipeline that sludge pump is housed, and a second pond precipitating sludge part is back to salt tolerant bacterium treating pond by the pipeline that sludge pump is housed, and another part enters sludge dewatering equipment by the pipeline that sludge pump is housed.Salt tolerant bacterium cultivation pool adds the salt tolerant bacterium by drug feeding pipeline to salt tolerant bacterium treating pond, and dosage is for handling 3 of the water yield ~ 6 ‰ weekly.
Described micro cell is equipped with iron block, particle charcoal; Iron block is the rectangular parallelepiped of long 3-10cm, wide 3-10cm, thick 1-3cm, and the particle charcoal is a spherical particle, and diameter is 0.5-3cm.Described micro cell is provided with perforated pipe, and aeration rate and flooding quantity volume ratio are (1-2): 1.Described salt tolerant bacterium is made up of photosynthetic bacterium, yeast and other bacterial classifications; The saltiness of salt tolerant decontamination bacterium tolerance is 2～8%.
Application example:
(1) certain produces the medicine intermediate waste discharge, and water quality is as follows: COD
Cr1700mg/L, BOD
5356mg/L, saltiness 8% at first enter equalizing tank and regulate water quality and quantity, hydraulic detention time 12h, and perforated pipe aerating regulation stirs, gas-water ratio 3:1; The equalizing tank water outlet enters micro cell, and the reaction times is 1h, perforated pipe aerating regulation, and gas-water ratio 1:1, iron-carbon ratio is 2:1, and the pH value is 1.5, and micro cell is mainly removed most of refractory organic and toxic substance; The micro cell water outlet enters coagulative precipitation tank, the coagulating time is 10min, sedimentation time is 1.5h, coagulating sedimentation is transferred to solid phase by the coagulating agent coagulating by liquid phase with most of refractory organic and toxic substance, utilizes spoil disposal that refractory organic in the waste water and toxic substance are removed; The water outlet of coagulative precipitation tank supernatant liquor enters salt tolerant bacterium treating pond, and the biochemical reaction time is 12h, and dissolved oxygen is 0.5mg/L, and salt tolerant bacterium treating pond mainly improves the salt tolerance of biochemical sludge; The water outlet of salt tolerant bacterium treating pond enters the A/O treating pond, and the biochemical reaction time is 24h, and gas-water ratio is 20:1, and the A section dissolved oxygen of A/O treating pond is 0.1mg/L, and the O section dissolved oxygen of A/O treating pond is 2mg/L, and the A/O treating pond is removed most of organism; The O section water outlet of A/O treating pond enters second-level settling pond and separates biochemical sludge; The water outlet of second-level settling pond supernatant liquor enters filtering basin, and filtration time is 2h, and filtering basin water outlet COD is 94mg/L.The mud of concentration basin enters sludge dewatering equipment by the pipeline that sludge pump is housed, and a second pond precipitating sludge part is back to salt tolerant bacterium treating pond by the pipeline that sludge pump is housed, and another part enters the belt filter press dehydration by the pipeline that sludge pump is housed.Salt tolerant bacterium cultivation pool adds the salt tolerant bacterium by drug feeding pipeline to salt tolerant bacterium treating pond, and dosage is for handling 6 ‰ of the water yield weekly.Wherein micro cell is equipped with iron block, particle charcoal; Iron block is the rectangular parallelepiped of long 3cm, wide 3cm, thick 1cm, and the particle charcoal is a spherical particle, and diameter is 0.5cm.Described salt tolerant bacterium is made up of photosynthetic bacterium, yeast and other bacterial classifications.
(2) certain produces the dyestuff waste discharge, and water quality is as follows: COD
Cr3200mg/L, BOD
5541mg/L, saltiness 4%, pH7.8 at first enter equalizing tank and regulate water quality and quantity, hydraulic detention time 18h, and perforated pipe aerating regulation stirs, gas-water ratio 4:1; The equalizing tank water outlet enters micro cell, and the reaction times is 3h, perforated pipe aerating regulation, and gas-water ratio 2:1, iron-carbon ratio is 3:1, and the pH value is 2.5, and micro cell is mainly removed most of refractory organic and toxic substance; The micro cell water outlet enters coagulative precipitation tank, the coagulating time is 15min, sedimentation time is 1.5h, coagulating sedimentation is transferred to solid phase by the coagulating agent coagulating by liquid phase with most of refractory organic and toxic substance, utilizes spoil disposal that refractory organic in the waste water and toxic substance are removed; The water outlet of coagulative precipitation tank supernatant liquor enters salt tolerant bacterium treating pond, and the biochemical reaction time is 24h, and dissolved oxygen is 0.8mg/L, and salt tolerant bacterium treating pond mainly improves the salt tolerance of biochemical sludge; The water outlet of salt tolerant bacterium treating pond enters the A/O treating pond, and the biochemical reaction time is 36h, and gas-water ratio is 25:1, and the A section dissolved oxygen of A/O treating pond is 0.3mg/L, and the O section dissolved oxygen of A/O treating pond is 3mg/L, and the A/O treating pond is removed most of organism; The O section water outlet of A/O treating pond enters second-level settling pond and separates biochemical sludge; The water outlet of second-level settling pond supernatant liquor enters filtering basin, and filtration time is 3h, and filtering basin water outlet COD is 86mg/L.The mud of concentration basin enters sludge dewatering equipment by the pipeline that sludge pump is housed, and a second pond precipitating sludge part is back to salt tolerant bacterium treating pond by the pipeline that sludge pump is housed, and another part enters the plate-and-frame filter press dehydration by the pipeline that sludge pump is housed.Salt tolerant bacterium cultivation pool adds the salt tolerant bacterium by drug feeding pipeline to salt tolerant bacterium treating pond, and dosage is for handling 5 ‰ of the water yield weekly.Wherein micro cell is equipped with iron block, particle charcoal; Iron block is the rectangular parallelepiped of long 5cm, wide 5cm, thick 2cm, and the particle charcoal is a spherical particle, and diameter is 2cm.Described salt tolerant bacterium is made up of photosynthetic bacterium, yeast and other bacterial classifications.
(3) certain produces the industrial chemicals waste discharge, and water quality is as follows: COD
Cr5200mg/L, BOD
5683mg/L, saltiness 2%, pH7.8 at first enter equalizing tank and regulate water quality and quantity, hydraulic detention time 24h, and perforated pipe aerating regulation stirs, gas-water ratio 5:1; The equalizing tank water outlet enters micro cell, and the reaction times is 4h, perforated pipe aerating regulation, and gas-water ratio 2:1, iron-carbon ratio is 4:1, and the pH value is 3.5, and micro cell is mainly removed most of refractory organic and toxic substance; The micro cell water outlet enters coagulative precipitation tank, the coagulating time is 20min, sedimentation time is 2h, coagulating sedimentation is transferred to solid phase by the coagulating agent coagulating by liquid phase with most of refractory organic and toxic substance, utilizes spoil disposal that refractory organic in the waste water and toxic substance are removed; The water outlet of coagulative precipitation tank supernatant liquor enters salt tolerant bacterium treating pond, and the biochemical reaction time is 36h, and dissolved oxygen is 1mg/L, and salt tolerant bacterium treating pond mainly improves the salt tolerance of biochemical sludge; The water outlet of salt tolerant bacterium treating pond enters the A/O treating pond, and the biochemical reaction time is 48h, and gas-water ratio is 45:1, and the A section dissolved oxygen of A/O treating pond is 0.5mg/L, and the O section dissolved oxygen of A/O treating pond is 4mg/L, and the A/O treating pond is removed most of organism; The O section water outlet of A/O treating pond enters second-level settling pond and separates biochemical sludge; The water outlet of second-level settling pond supernatant liquor enters filtering basin, and filtration time is 4h, and filtering basin water outlet COD is 96mg/L.The mud of concentration basin enters sludge dewatering equipment by the pipeline that sludge pump is housed, and a second pond precipitating sludge part is back to salt tolerant bacterium treating pond by the pipeline that sludge pump is housed, and another part enters centrifuge dewatering by the pipeline that sludge pump is housed.Salt tolerant bacterium cultivation pool adds the salt tolerant bacterium by drug feeding pipeline to salt tolerant bacterium treating pond, and dosage is for handling 3 ‰ of the water yield weekly.Wherein micro cell is equipped with iron block, particle charcoal; Iron block is the rectangular parallelepiped of long 10cm, wide 10cm, thick 3cm, and the particle charcoal is a spherical particle, and diameter is 3cm.Described salt tolerant bacterium is made up of photosynthetic bacterium, yeast and other bacterial classifications.
Claims (5)
1. handle high salt, difficult for biological degradation, deleterious Industrial Wastewater Treatment device for one kind, it is characterized in that comprising equalizing tank, micro cell, coagulative precipitation tank, salt tolerant bacterium treating pond, A/O treating pond, second-level settling pond, filtering basin, salt tolerant bacterium cultivation pool, sludge thickener, sludge dewatering equipment, salt tolerant bacterium treating pond comprises bio-carrier and aerator; The A/O treating pond comprises A section and O section; Equalizing tank, micro cell, coagulative precipitation tank, salt tolerant bacterium treating pond, A/O treating pond, second-level settling pond, filtering basin connect in turn, sludge thickener is connected with sludge dewatering equipment with coagulative precipitation tank, second-level settling pond respectively, and salt tolerant bacterium cultivation pool links to each other with salt tolerant bacterium treating pond.
2. the high salt of a kind of processing according to claim 1, difficult for biological degradation, deleterious Industrial Wastewater Treatment device is characterized in that described salt tolerant bacterium treating pond hangs with bio-carrier; The bio-carrier layer height accounts for 60～80% of total height; The bio-carrier diameter is 250～350mm, and the bio-carrier spacing is 150～300mm.
3. the high salt of a kind of processing according to claim 1, difficult for biological degradation, deleterious Industrial Wastewater Treatment device, it is characterized in that described A/O treating pond is provided with aerator, aerator is perforated pipe, single hole menbrane aerator, micro-hole aerator, can promote micro-hole aerator or swapping type does not have the bone micropore aeration pipe.
4. the high salt of a kind of processing according to claim 1, difficult for biological degradation, deleterious Industrial Wastewater Treatment device is characterized in that described filtering basin are the activated carbon filtration pond.
5. the high salt of a kind of processing according to claim 1, difficult for biological degradation, deleterious Industrial Wastewater Treatment device is characterized in that described sludge dewatering equipment is plate-and-frame filter press, belt filter press or whizzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200677165U CN201999832U (en) | 2011-03-15 | 2011-03-15 | Treatment device for treating high-salinity, non-biodegradable toxic industrial wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200677165U CN201999832U (en) | 2011-03-15 | 2011-03-15 | Treatment device for treating high-salinity, non-biodegradable toxic industrial wastewater |
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| CN201999832U true CN201999832U (en) | 2011-10-05 |
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| CN2011200677165U Expired - Lifetime CN201999832U (en) | 2011-03-15 | 2011-03-15 | Treatment device for treating high-salinity, non-biodegradable toxic industrial wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173539A (en) * | 2011-03-15 | 2011-09-07 | 浙江环科环境研究院有限公司 | Device and process for processing high-salt non-biodegradable toxic industrial waste water |
| CN105712580A (en) * | 2016-03-07 | 2016-06-29 | 中蓝连海设计研究院 | Reduction treatment device and method for epoxy resin wastewater evaporative desalination mother liquor |
| CN110510827A (en) * | 2019-09-12 | 2019-11-29 | 江苏蓝必盛化工环保股份有限公司 | The recycling treatment system and processing method of sodium carboxymethylcellulose production waste water |
-
2011
- 2011-03-15 CN CN2011200677165U patent/CN201999832U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173539A (en) * | 2011-03-15 | 2011-09-07 | 浙江环科环境研究院有限公司 | Device and process for processing high-salt non-biodegradable toxic industrial waste water |
| CN102173539B (en) * | 2011-03-15 | 2012-07-04 | 浙江环科环境研究院有限公司 | Device and process for processing high-salt non-biodegradable toxic industrial waste water |
| CN105712580A (en) * | 2016-03-07 | 2016-06-29 | 中蓝连海设计研究院 | Reduction treatment device and method for epoxy resin wastewater evaporative desalination mother liquor |
| CN110510827A (en) * | 2019-09-12 | 2019-11-29 | 江苏蓝必盛化工环保股份有限公司 | The recycling treatment system and processing method of sodium carboxymethylcellulose production waste water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20120704 |